summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mfd/Kconfig1
-rw-r--r--drivers/mfd/tps65090.c11
-rw-r--r--drivers/mfd/tps6586x.c86
-rw-r--r--drivers/mfd/twl-core.c7
-rw-r--r--drivers/regulator/88pm8607.c179
-rw-r--r--drivers/regulator/Kconfig33
-rw-r--r--drivers/regulator/Makefile5
-rw-r--r--drivers/regulator/aat2870-regulator.c10
-rw-r--r--drivers/regulator/ab3100.c65
-rw-r--r--drivers/regulator/ab8500.c235
-rw-r--r--drivers/regulator/ad5398.c19
-rw-r--r--drivers/regulator/anatop-regulator.c9
-rw-r--r--drivers/regulator/core.c456
-rw-r--r--drivers/regulator/da903x.c209
-rw-r--r--drivers/regulator/da9052-regulator.c441
-rw-r--r--drivers/regulator/db8500-prcmu.c133
-rw-r--r--drivers/regulator/dummy.c7
-rw-r--r--drivers/regulator/fixed.c69
-rw-r--r--drivers/regulator/gpio-regulator.c22
-rw-r--r--drivers/regulator/isl6271a-regulator.c73
-rw-r--r--drivers/regulator/lp3971.c87
-rw-r--r--drivers/regulator/lp3972.c74
-rw-r--r--drivers/regulator/max1586.c28
-rw-r--r--drivers/regulator/max8649.c110
-rw-r--r--drivers/regulator/max8660.c165
-rw-r--r--drivers/regulator/max8925-regulator.c83
-rw-r--r--drivers/regulator/max8952.c70
-rw-r--r--drivers/regulator/max8997.c342
-rw-r--r--drivers/regulator/max8998.c122
-rw-r--r--drivers/regulator/mc13783-regulator.c12
-rw-r--r--drivers/regulator/mc13892-regulator.c25
-rw-r--r--drivers/regulator/mc13xxx-regulator-core.c54
-rw-r--r--drivers/regulator/mc13xxx.h2
-rw-r--r--drivers/regulator/of_regulator.c47
-rw-r--r--drivers/regulator/palmas-regulator.c822
-rw-r--r--drivers/regulator/pcap-regulator.c54
-rw-r--r--drivers/regulator/pcf50633-regulator.c199
-rw-r--r--drivers/regulator/rc5t583-regulator.c255
-rw-r--r--drivers/regulator/s5m8767.c327
-rw-r--r--drivers/regulator/tps6105x-regulator.c11
-rw-r--r--drivers/regulator/tps62360-regulator.c380
-rw-r--r--drivers/regulator/tps65023-regulator.c244
-rw-r--r--drivers/regulator/tps6507x-regulator.c22
-rw-r--r--drivers/regulator/tps65090-regulator.c150
-rw-r--r--drivers/regulator/tps65217-regulator.c78
-rw-r--r--drivers/regulator/tps6524x-regulator.c47
-rw-r--r--drivers/regulator/tps6586x-regulator.c108
-rw-r--r--drivers/regulator/tps65910-regulator.c323
-rw-r--r--drivers/regulator/tps65912-regulator.c60
-rw-r--r--drivers/regulator/twl-regulator.c127
-rw-r--r--drivers/regulator/userspace-consumer.c20
-rw-r--r--drivers/regulator/virtual.c26
-rw-r--r--drivers/regulator/wm831x-dcdc.c174
-rw-r--r--drivers/regulator/wm831x-isink.c8
-rw-r--r--drivers/regulator/wm831x-ldo.c201
-rw-r--r--drivers/regulator/wm8350-regulator.c11
-rw-r--r--drivers/regulator/wm8400-regulator.c176
-rw-r--r--drivers/regulator/wm8994-regulator.c111
58 files changed, 3971 insertions, 3254 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index e35cb6bc9003..b5a0032f616e 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -162,6 +162,7 @@ config MFD_TPS6586X
bool "TPS6586x Power Management chips"
depends on I2C=y && GPIOLIB && GENERIC_HARDIRQS
select MFD_CORE
+ depends on REGULATOR
help
If you say yes here you get support for the TPS6586X series of
Power Management chips.
diff --git a/drivers/mfd/tps65090.c b/drivers/mfd/tps65090.c
index a66d4df51293..47f802bf1848 100644
--- a/drivers/mfd/tps65090.c
+++ b/drivers/mfd/tps65090.c
@@ -78,17 +78,6 @@ static struct mfd_cell tps65090s[] = {
},
};
-struct tps65090 {
- struct mutex lock;
- struct device *dev;
- struct i2c_client *client;
- struct regmap *rmap;
- struct irq_chip irq_chip;
- struct mutex irq_lock;
- int irq_base;
- unsigned int id;
-};
-
int tps65090_write(struct device *dev, int reg, uint8_t val)
{
struct tps65090 *tps = dev_get_drvdata(dev);
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index a5ddf31b60ca..c84b5506d5fb 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps6586x.h>
@@ -460,6 +461,7 @@ static int __devinit tps6586x_add_subdevs(struct tps6586x *tps6586x,
pdev->dev.parent = tps6586x->dev;
pdev->dev.platform_data = subdev->platform_data;
+ pdev->dev.of_node = subdev->of_node;
ret = platform_device_add(pdev);
if (ret) {
@@ -474,6 +476,86 @@ failed:
return ret;
}
+#ifdef CONFIG_OF
+static struct of_regulator_match tps6586x_matches[] = {
+ { .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
+ { .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
+ { .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
+ { .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
+ { .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
+ { .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
+ { .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
+ { .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
+ { .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
+ { .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
+ { .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
+ { .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
+ { .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
+ { .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
+};
+
+static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
+{
+ const unsigned int num = ARRAY_SIZE(tps6586x_matches);
+ struct device_node *np = client->dev.of_node;
+ struct tps6586x_platform_data *pdata;
+ struct tps6586x_subdev_info *devs;
+ struct device_node *regs;
+ unsigned int count;
+ unsigned int i, j;
+ int err;
+
+ regs = of_find_node_by_name(np, "regulators");
+ if (!regs)
+ return NULL;
+
+ err = of_regulator_match(&client->dev, regs, tps6586x_matches, num);
+ if (err < 0) {
+ of_node_put(regs);
+ return NULL;
+ }
+
+ of_node_put(regs);
+ count = err;
+
+ devs = devm_kzalloc(&client->dev, count * sizeof(*devs), GFP_KERNEL);
+ if (!devs)
+ return NULL;
+
+ for (i = 0, j = 0; i < num && j < count; i++) {
+ if (!tps6586x_matches[i].init_data)
+ continue;
+
+ devs[j].name = "tps6586x-regulator";
+ devs[j].platform_data = tps6586x_matches[i].init_data;
+ devs[j].id = (int)tps6586x_matches[i].driver_data;
+ devs[j].of_node = tps6586x_matches[i].of_node;
+ j++;
+ }
+
+ pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return NULL;
+
+ pdata->num_subdevs = count;
+ pdata->subdevs = devs;
+ pdata->gpio_base = -1;
+ pdata->irq_base = -1;
+
+ return pdata;
+}
+
+static struct of_device_id tps6586x_of_match[] = {
+ { .compatible = "ti,tps6586x", },
+ { },
+};
+#else
+static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *client)
+{
+ return NULL;
+}
+#endif
+
static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -481,6 +563,9 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
struct tps6586x *tps6586x;
int ret;
+ if (!pdata && client->dev.of_node)
+ pdata = tps6586x_parse_dt(client);
+
if (!pdata) {
dev_err(&client->dev, "tps6586x requires platform data\n");
return -ENOTSUPP;
@@ -573,6 +658,7 @@ static struct i2c_driver tps6586x_driver = {
.driver = {
.name = "tps6586x",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(tps6586x_of_match),
},
.probe = tps6586x_i2c_probe,
.remove = __devexit_p(tps6586x_i2c_remove),
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 7c2267e71f8b..6fc90befa79e 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -224,13 +224,6 @@
#define HIGH_PERF_SQ (1 << 3)
#define CK32K_LOWPWR_EN (1 << 7)
-
-/* chip-specific feature flags, for i2c_device_id.driver_data */
-#define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */
-#define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */
-#define TWL5031 BIT(2) /* twl5031 has different registers */
-#define TWL6030_CLASS BIT(3) /* TWL6030 class */
-
/*----------------------------------------------------------------------*/
/* is driver active, bound to a chip? */
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 28b81ae4cf7f..c3482b954cb7 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -27,13 +27,8 @@ struct pm8607_regulator_info {
unsigned int *vol_table;
unsigned int *vol_suspend;
- int vol_reg;
- int vol_shift;
- int vol_nbits;
int update_reg;
int update_bit;
- int enable_reg;
- int enable_bit;
int slope_double;
};
@@ -216,7 +211,7 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
int ret = -EINVAL;
- if (info->vol_table && (index < (1 << info->vol_nbits))) {
+ if (info->vol_table && (index < rdev->desc->n_voltages)) {
ret = info->vol_table[index];
if (info->slope_double)
ret <<= 1;
@@ -224,51 +219,16 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
return ret;
}
-static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
+static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- int i, ret = -ENOENT;
-
- if (info->slope_double) {
- min_uV = min_uV >> 1;
- max_uV = max_uV >> 1;
- }
- if (info->vol_table) {
- for (i = 0; i < (1 << info->vol_nbits); i++) {
- if (!info->vol_table[i])
- break;
- if ((min_uV <= info->vol_table[i])
- && (max_uV >= info->vol_table[i])) {
- ret = i;
- break;
- }
- }
- }
- if (ret < 0)
- pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
- return ret;
-}
-
-static int pm8607_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
+ uint8_t val;
int ret;
- if (min_uV > max_uV) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
+ val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
- ret = choose_voltage(rdev, min_uV, max_uV);
- if (ret < 0)
- return -EINVAL;
- *selector = ret;
- val = (uint8_t)(ret << info->vol_shift);
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
-
- ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
+ ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, val);
if (ret)
return ret;
switch (info->desc.id) {
@@ -282,60 +242,16 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
return ret;
}
-static int pm8607_get_voltage(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- uint8_t val, mask;
- int ret;
-
- ret = pm860x_reg_read(info->i2c, info->vol_reg);
- if (ret < 0)
- return ret;
-
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = ((unsigned char)ret & mask) >> info->vol_shift;
-
- return pm8607_list_voltage(rdev, val);
-}
-
-static int pm8607_enable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, info->enable_reg,
- 1 << info->enable_bit,
- 1 << info->enable_bit);
-}
-
-static int pm8607_disable(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
- return pm860x_set_bits(info->i2c, info->enable_reg,
- 1 << info->enable_bit, 0);
-}
-
-static int pm8607_is_enabled(struct regulator_dev *rdev)
-{
- struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
- int ret;
-
- ret = pm860x_reg_read(info->i2c, info->enable_reg);
- if (ret < 0)
- return ret;
-
- return !!((unsigned char)ret & (1 << info->enable_bit));
-}
-
static struct regulator_ops pm8607_regulator_ops = {
- .set_voltage = pm8607_set_voltage,
- .get_voltage = pm8607_get_voltage,
- .enable = pm8607_enable,
- .disable = pm8607_disable,
- .is_enabled = pm8607_is_enabled,
+ .list_voltage = pm8607_list_voltage,
+ .set_voltage_sel = pm8607_set_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
};
-#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \
+#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
{ \
.desc = { \
.name = #vreg, \
@@ -343,20 +259,20 @@ static struct regulator_ops pm8607_regulator_ops = {
.type = REGULATOR_VOLTAGE, \
.id = PM8607_ID_##vreg, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(vreg##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (0), \
- .vol_nbits = (nbits), \
.update_reg = PM8607_##ureg, \
.update_bit = (ubit), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
.vol_table = (unsigned int *)&vreg##_table, \
.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
}
-#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \
+#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
{ \
.desc = { \
.name = "LDO" #_id, \
@@ -364,35 +280,35 @@ static struct regulator_ops pm8607_regulator_ops = {
.type = REGULATOR_VOLTAGE, \
.id = PM8607_ID_LDO##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(LDO##_id##_table), \
+ .vsel_reg = PM8607_##vreg, \
+ .vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
+ .enable_reg = PM8607_##ereg, \
+ .enable_mask = 1 << (ebit), \
}, \
- .vol_reg = PM8607_##vreg, \
- .vol_shift = (shift), \
- .vol_nbits = (nbits), \
- .enable_reg = PM8607_##ereg, \
- .enable_bit = (ebit), \
.slope_double = (0), \
.vol_table = (unsigned int *)&LDO##_id##_table, \
.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
}
static struct pm8607_regulator_info pm8607_regulator_info[] = {
- PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
- PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
- PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
-
- PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3),
- PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4),
- PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5),
- PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6),
- PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7),
- PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0),
- PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1),
- PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2),
- PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3),
- PM8607_LDO(10, LDO10, 0, 4, SUPPLIES_EN12, 4),
- PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5),
- PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0),
- PM8607_LDO(14, LDO14, 0, 3, SUPPLIES_EN12, 6),
+ PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
+ PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
+ PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
+
+ PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
+ PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
+ PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
+ PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
+ PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
+ PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
+ PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
+ PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
+ PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
+ PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
+ PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
+ PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
+ PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
};
static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
@@ -400,6 +316,7 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct pm8607_regulator_info *info = NULL;
struct regulator_init_data *pdata = pdev->dev.platform_data;
+ struct regulator_config config = { };
struct resource *res;
int i;
@@ -425,9 +342,17 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
info->slope_double = 1;
+ config.dev = &pdev->dev;
+ config.init_data = pdata;
+ config.driver_data = info;
+
+ if (chip->id == CHIP_PM8607)
+ config.regmap = chip->regmap;
+ else
+ config.regmap = chip->regmap_companion;
+
/* replace driver_data with info */
- info->regulator = regulator_register(&info->desc, &pdev->dev,
- pdata, info, NULL);
+ info->regulator = regulator_register(&info->desc, &config);
if (IS_ERR(info->regulator)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
info->desc.name);
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 36db5a441eba..c86b8864e411 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -223,6 +223,16 @@ config REGULATOR_PCF50633
Say Y here to support the voltage regulators and convertors
on PCF50633
+config REGULATOR_RC5T583
+ tristate "RICOH RC5T583 Power regulators"
+ depends on MFD_RC5T583
+ help
+ Select this option to enable the power regulator of RICOH
+ PMIC RC5T583.
+ This driver supports the control of different power rails of device
+ through regulator interface. The device supports multiple DCDC/LDO
+ outputs which can be controlled by i2c communication.
+
config REGULATOR_S5M8767
tristate "Samsung S5M8767A voltage regulator"
depends on MFD_S5M_CORE
@@ -258,6 +268,18 @@ config REGULATOR_DB8500_PRCMU
This driver supports the voltage domain regulators controlled by the
DB8500 PRCMU
+config REGULATOR_PALMAS
+ tristate "TI Palmas PMIC Regulators"
+ depends on MFD_PALMAS
+ help
+ If you wish to control the regulators on the Palmas series of
+ chips say Y here. This will enable support for all the software
+ controllable SMPS/LDO regulators.
+
+ The regulators available on Palmas series chips vary depending
+ on the muxing. This is handled automatically in the driver by
+ reading the mux info from OTP.
+
config REGULATOR_TPS6105X
tristate "TI TPS6105X Power regulators"
depends on TPS6105X
@@ -268,11 +290,11 @@ config REGULATOR_TPS6105X
audio amplifiers.
config REGULATOR_TPS62360
- tristate "TI TPS62360 Power Regulator"
+ tristate "TI TPS6236x Power Regulator"
depends on I2C
select REGMAP_I2C
help
- This driver supports TPS62360 voltage regulator chip. This
+ This driver supports TPS6236x voltage regulator chip. This
regulator is meant for processor core supply. This chip is
high-frequency synchronous step down dc-dc converter optimized
for battery-powered portable applications.
@@ -294,6 +316,13 @@ config REGULATOR_TPS6507X
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
+config REGULATOR_TPS65090
+ tristate "TI TPS65090 Power regulator"
+ depends on MFD_TPS65090
+ help
+ This driver provides support for the voltage regulators on the
+ TI TPS65090 PMIC.
+
config REGULATOR_TPS65217
tristate "TI TPS65217 Power regulators"
depends on MFD_TPS65217
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 94b52745e957..977fd46909ab 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o
obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
-obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
@@ -20,6 +19,7 @@ obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
+obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
@@ -33,13 +33,16 @@ obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
+obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
+obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o
obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o
obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o
obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 9ed5c5d84e12..06776ca945f2 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -24,7 +24,6 @@
#include <linux/err.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
@@ -178,6 +177,7 @@ static struct aat2870_regulator *aat2870_get_regulator(int id)
static int aat2870_regulator_probe(struct platform_device *pdev)
{
struct aat2870_regulator *ri;
+ struct regulator_config config = { 0 };
struct regulator_dev *rdev;
ri = aat2870_get_regulator(pdev->id);
@@ -187,8 +187,11 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
}
ri->aat2870 = dev_get_drvdata(pdev->dev.parent);
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdev->dev.platform_data, ri, NULL);
+ config.dev = &pdev->dev;
+ config.driver_data = ri;
+ config.init_data = pdev->dev.platform_data;
+
+ rdev = regulator_register(&ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
ri->desc.name);
@@ -231,3 +234,4 @@ module_exit(aat2870_regulator_exit);
MODULE_DESCRIPTION("AnalogicTech AAT2870 Regulator");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jin Park <jinyoungp@nvidia.com>");
+MODULE_ALIAS("platform:aat2870-regulator");
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 042271aace6a..03f4d9c604ec 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -13,7 +13,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
-#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/abx500.h>
@@ -305,53 +304,12 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
return abreg->typ_voltages[regval];
}
-static int ab3100_get_best_voltage_index(struct regulator_dev *reg,
- int min_uV, int max_uV)
-{
- struct ab3100_regulator *abreg = reg->reg_data;
- int i;
- int bestmatch;
- int bestindex;
-
- /*
- * Locate the minimum voltage fitting the criteria on
- * this regulator. The switchable voltages are not
- * in strict falling order so we need to check them
- * all for the best match.
- */
- bestmatch = INT_MAX;
- bestindex = -1;
- for (i = 0; i < abreg->voltages_len; i++) {
- if (abreg->typ_voltages[i] <= max_uV &&
- abreg->typ_voltages[i] >= min_uV &&
- abreg->typ_voltages[i] < bestmatch) {
- bestmatch = abreg->typ_voltages[i];
- bestindex = i;
- }
- }
-
- if (bestindex < 0) {
- dev_warn(&reg->dev, "requested %d<=x<=%d uV, out of range!\n",
- min_uV, max_uV);
- return -EINVAL;
- }
- return bestindex;
-}
-
-static int ab3100_set_voltage_regulator(struct regulator_dev *reg,
- int min_uV, int max_uV,
- unsigned *selector)
+static int ab3100_set_voltage_regulator_sel(struct regulator_dev *reg,
+ unsigned selector)
{
struct ab3100_regulator *abreg = reg->reg_data;
u8 regval;
int err;
- int bestindex;
-
- bestindex = ab3100_get_best_voltage_index(reg, min_uV, max_uV);
- if (bestindex < 0)
- return bestindex;
-
- *selector = bestindex;
err = abx500_get_register_interruptible(abreg->dev, 0,
abreg->regreg, &regval);
@@ -364,7 +322,7 @@ static int ab3100_set_voltage_regulator(struct regulator_dev *reg,
/* The highest three bits control the variable regulators */
regval &= ~0xE0;
- regval |= (bestindex << 5);
+ regval |= (selector << 5);
err = abx500_set_register_interruptible(abreg->dev, 0,
abreg->regreg, regval);
@@ -392,7 +350,7 @@ static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
return -EINVAL;
/* LDO E and BUCK have special suspend voltages you can set */
- bestindex = ab3100_get_best_voltage_index(reg, uV, uV);
+ bestindex = regulator_map_voltage_iterate(reg, uV, uV);
err = abx500_get_register_interruptible(abreg->dev, 0,
targetreg, &regval);
@@ -464,7 +422,7 @@ static struct regulator_ops regulator_ops_variable = {
.disable = ab3100_disable_regulator,
.is_enabled = ab3100_is_enabled_regulator,
.get_voltage = ab3100_get_voltage_regulator,
- .set_voltage = ab3100_set_voltage_regulator,
+ .set_voltage_sel = ab3100_set_voltage_regulator_sel,
.list_voltage = ab3100_list_voltage_regulator,
.enable_time = ab3100_enable_time_regulator,
};
@@ -474,7 +432,7 @@ static struct regulator_ops regulator_ops_variable_sleepable = {
.disable = ab3100_disable_regulator,
.is_enabled = ab3100_is_enabled_regulator,
.get_voltage = ab3100_get_voltage_regulator,
- .set_voltage = ab3100_set_voltage_regulator,
+ .set_voltage_sel = ab3100_set_voltage_regulator_sel,
.set_suspend_voltage = ab3100_set_suspend_voltage_regulator,
.list_voltage = ab3100_list_voltage_regulator,
.enable_time = ab3100_enable_time_regulator,
@@ -582,6 +540,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
{
struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
+ struct regulator_config config = { };
int err = 0;
u8 data;
int i;
@@ -627,15 +586,15 @@ static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
reg->dev = &pdev->dev;
reg->plfdata = plfdata;
+ config.dev = &pdev->dev;
+ config.driver_data = reg;
+ config.init_data = &plfdata->reg_constraints[i];
+
/*
* Register the regulator, pass around
* the ab3100_regulator struct
*/
- rdev = regulator_register(&ab3100_regulator_desc[i],
- &pdev->dev,
- &plfdata->reg_constraints[i],
- reg, NULL);
-
+ rdev = regulator_register(&ab3100_regulator_desc[i], &config);
if (IS_ERR(rdev)) {
err = PTR_ERR(rdev);
dev_err(&pdev->dev,
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index c7ee4c15d6f5..e1b8c54ace5a 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -18,9 +18,12 @@
#include <linux/platform_device.h>
#include <linux/mfd/abx500.h>
#include <linux/mfd/abx500/ab8500.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/ab8500.h>
+#include <linux/slab.h>
/**
* struct ab8500_regulator_info - ab8500 regulator information
@@ -234,25 +237,8 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
return val;
}
-static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
- int i;
-
- /* check the supported voltage */
- for (i = 0; i < info->voltages_len; i++) {
- if ((info->voltages[i] >= min_uV) &&
- (info->voltages[i] <= max_uV))
- return i;
- }
-
- return -EINVAL;
-}
-
-static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
int ret;
struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
@@ -263,18 +249,8 @@ static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- /* get the appropriate voltages within the range */
- ret = ab8500_get_best_voltage_index(rdev, min_uV, max_uV);
- if (ret < 0) {
- dev_err(rdev_get_dev(rdev),
- "couldn't get best voltage for regulator\n");
- return ret;
- }
-
- *selector = ret;
-
/* set the registers for the request */
- regval = (u8)ret;
+ regval = (u8)selector;
ret = abx500_mask_and_set_register_interruptible(info->dev,
info->voltage_bank, info->voltage_reg,
info->voltage_mask, regval);
@@ -319,7 +295,7 @@ static struct regulator_ops ab8500_regulator_ops = {
.disable = ab8500_regulator_disable,
.is_enabled = ab8500_regulator_is_enabled,
.get_voltage_sel = ab8500_regulator_get_voltage_sel,
- .set_voltage = ab8500_regulator_set_voltage,
+ .set_voltage_sel = ab8500_regulator_set_voltage_sel,
.list_voltage = ab8500_list_voltage,
.enable_time = ab8500_regulator_enable_time,
.set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
@@ -735,12 +711,139 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
REG_INIT(AB8500_REGUCTRLDISCH2, 0x04, 0x44, 0x16),
};
+static __devinit int
+ab8500_regulator_init_registers(struct platform_device *pdev, int id, int value)
+{
+ int err;
+
+ if (value & ~ab8500_reg_init[id].mask) {
+ dev_err(&pdev->dev,
+ "Configuration error: value outside mask.\n");
+ return -EINVAL;
+ }
+
+ err = abx500_mask_and_set_register_interruptible(
+ &pdev->dev,
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr,
+ ab8500_reg_init[id].mask,
+ value);
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "Failed to initialize 0x%02x, 0x%02x.\n",
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr);
+ return err;
+ }
+
+ dev_vdbg(&pdev->dev,
+ "init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+ ab8500_reg_init[id].bank,
+ ab8500_reg_init[id].addr,
+ ab8500_reg_init[id].mask,
+ value);
+
+ return 0;
+}
+
+static __devinit int ab8500_regulator_register(struct platform_device *pdev,
+ struct regulator_init_data *init_data,
+ int id,
+ struct device_node *np)
+{
+ struct ab8500_regulator_info *info = NULL;
+ struct regulator_config config = { };
+ int err;
+
+ /* assign per-regulator data */
+ info = &ab8500_regulator_info[id];
+ info->dev = &pdev->dev;
+
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.driver_data = info;
+ config.of_node = np;
+
+ /* fix for hardware before ab8500v2.0 */
+ if (abx500_get_chip_id(info->dev) < 0x20) {
+ if (info->desc.id == AB8500_LDO_AUX3) {
+ info->desc.n_voltages =
+ ARRAY_SIZE(ldo_vauxn_voltages);
+ info->voltages = ldo_vauxn_voltages;
+ info->voltages_len =
+ ARRAY_SIZE(ldo_vauxn_voltages);
+ info->voltage_mask = 0xf;
+ }
+ }
+
+ /* register regulator with framework */
+ info->regulator = regulator_register(&info->desc, &config);
+ if (IS_ERR(info->regulator)) {
+ err = PTR_ERR(info->regulator);
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ info->desc.name);
+ /* when we fail, un-register all earlier regulators */
+ while (--id >= 0) {
+ info = &ab8500_regulator_info[id];
+ regulator_unregister(info->regulator);
+ }
+ return err;
+ }
+
+ return 0;
+}
+
+static struct of_regulator_match ab8500_regulator_matches[] = {
+ { .name = "LDO-AUX1", .driver_data = (void *) AB8500_LDO_AUX1, },
+ { .name = "LDO-AUX2", .driver_data = (void *) AB8500_LDO_AUX2, },
+ { .name = "LDO-AUX3", .driver_data = (void *) AB8500_LDO_AUX3, },
+ { .name = "LDO-INTCORE", .driver_data = (void *) AB8500_LDO_INTCORE, },
+ { .name = "LDO-TVOUT", .driver_data = (void *) AB8500_LDO_TVOUT, },
+ { .name = "LDO-USB", .driver_data = (void *) AB8500_LDO_USB, },
+ { .name = "LDO-AUDIO", .driver_data = (void *) AB8500_LDO_AUDIO, },
+ { .name = "LDO-ANAMIC1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
+ { .name = "LDO-ANAMIC2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
+ { .name = "LDO-DMIC", .driver_data = (void *) AB8500_LDO_DMIC, },
+ { .name = "LDO-ANA", .driver_data = (void *) AB8500_LDO_ANA, },
+};
+
+static __devinit int
+ab8500_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+ err = ab8500_regulator_register(
+ pdev, ab8500_regulator_matches[i].init_data,
+ i, ab8500_regulator_matches[i].of_node);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
{
struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
struct ab8500_platform_data *pdata;
+ struct device_node *np = pdev->dev.of_node;
int i, err;
+ if (np) {
+ err = of_regulator_match(&pdev->dev, np,
+ ab8500_regulator_matches,
+ ARRAY_SIZE(ab8500_regulator_matches));
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "Error parsing regulator init data: %d\n", err);
+ return err;
+ }
+
+ err = ab8500_regulator_of_probe(pdev, np);
+ return err;
+ }
+
if (!ab8500) {
dev_err(&pdev->dev, "null mfd parent\n");
return -EINVAL;
@@ -759,8 +862,7 @@ static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
/* initialize registers */
for (i = 0; i < pdata->num_regulator_reg_init; i++) {
- int id;
- u8 value;
+ int id, value;
id = pdata->regulator_reg_init[i].id;
value = pdata->regulator_reg_init[i].value;
@@ -771,70 +873,17 @@ static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
"Configuration error: id outside range.\n");
return -EINVAL;
}
- if (value & ~ab8500_reg_init[id].mask) {
- dev_err(&pdev->dev,
- "Configuration error: value outside mask.\n");
- return -EINVAL;
- }
- /* initialize register */
- err = abx500_mask_and_set_register_interruptible(&pdev->dev,
- ab8500_reg_init[id].bank,
- ab8500_reg_init[id].addr,
- ab8500_reg_init[id].mask,
- value);
- if (err < 0) {
- dev_err(&pdev->dev,
- "Failed to initialize 0x%02x, 0x%02x.\n",
- ab8500_reg_init[id].bank,
- ab8500_reg_init[id].addr);
+ err = ab8500_regulator_init_registers(pdev, id, value);
+ if (err < 0)
return err;
- }
- dev_vdbg(&pdev->dev,
- " init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
- ab8500_reg_init[id].bank,
- ab8500_reg_init[id].addr,
- ab8500_reg_init[id].mask,
- value);
}
/* register all regulators */
for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
- struct ab8500_regulator_info *info = NULL;
-
- /* assign per-regulator data */
- info = &ab8500_regulator_info[i];
- info->dev = &pdev->dev;
-
- /* fix for hardware before ab8500v2.0 */
- if (abx500_get_chip_id(info->dev) < 0x20) {
- if (info->desc.id == AB8500_LDO_AUX3) {
- info->desc.n_voltages =
- ARRAY_SIZE(ldo_vauxn_voltages);
- info->voltages = ldo_vauxn_voltages;
- info->voltages_len =
- ARRAY_SIZE(ldo_vauxn_voltages);
- info->voltage_mask = 0xf;
- }
- }
-
- /* register regulator with framework */
- info->regulator = regulator_register(&info->desc, &pdev->dev,
- &pdata->regulator[i], info, NULL);
- if (IS_ERR(info->regulator)) {
- err = PTR_ERR(info->regulator);
- dev_err(&pdev->dev, "failed to register regulator %s\n",
- info->desc.name);
- /* when we fail, un-register all earlier regulators */
- while (--i >= 0) {
- info = &ab8500_regulator_info[i];
- regulator_unregister(info->regulator);
- }
+ err = ab8500_regulator_register(pdev, &pdata->regulator[i], i, NULL);
+ if (err < 0)
return err;
- }
-
- dev_vdbg(rdev_get_dev(info->regulator),
- "%s-probed\n", info->desc.name);
}
return 0;
@@ -857,12 +906,18 @@ static __devexit int ab8500_regulator_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id ab8500_regulator_match[] = {
+ { .compatible = "stericsson,ab8500-regulator", },
+ {}
+};
+
static struct platform_driver ab8500_regulator_driver = {
.probe = ab8500_regulator_probe,
.remove = __devexit_p(ab8500_regulator_remove),
.driver = {
.name = "ab8500-regulator",
.owner = THIS_MODULE,
+ .of_match_table = ab8500_regulator_match,
},
};
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 26d23adfc66f..46d05f38baf8 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -99,8 +99,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
if (ad5398_calc_current(chip, selector) > max_uA)
return -EINVAL;
- dev_dbg(&client->dev, "changing current %dmA\n",
- ad5398_calc_current(chip, selector) / 1000);
+ dev_dbg(&client->dev, "changing current %duA\n",
+ ad5398_calc_current(chip, selector));
/* read chip enable bit */
ret = ad5398_read_reg(client, &data);
@@ -184,7 +184,7 @@ static struct regulator_ops ad5398_ops = {
.is_enabled = ad5398_is_enabled,
};
-static struct regulator_desc ad5398_reg = {
+static const struct regulator_desc ad5398_reg = {
.name = "isink",
.id = 0,
.ops = &ad5398_ops,
@@ -212,6 +212,7 @@ static int __devinit ad5398_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regulator_init_data *init_data = client->dev.platform_data;
+ struct regulator_config config = { };
struct ad5398_chip_info *chip;
const struct ad5398_current_data_format *df =
(struct ad5398_current_data_format *)id->driver_data;
@@ -220,10 +221,14 @@ static int __devinit ad5398_probe(struct i2c_client *client,
if (!init_data)
return -EINVAL;
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
+ config.dev = &client->dev;
+ config.init_data = init_data;
+ config.driver_data = chip;
+
chip->client = client;
chip->min_uA = df->min_uA;
@@ -232,8 +237,7 @@ static int __devinit ad5398_probe(struct i2c_client *client,
chip->current_offset = df->current_offset;
chip->current_mask = (chip->current_level - 1) << chip->current_offset;
- chip->rdev = regulator_register(&ad5398_reg, &client->dev,
- init_data, chip, NULL);
+ chip->rdev = regulator_register(&ad5398_reg, &config);
if (IS_ERR(chip->rdev)) {
ret = PTR_ERR(chip->rdev);
dev_err(&client->dev, "failed to register %s %s\n",
@@ -246,7 +250,6 @@ static int __devinit ad5398_probe(struct i2c_client *client,
return 0;
err:
- kfree(chip);
return ret;
}
@@ -255,8 +258,6 @@ static int __devexit ad5398_remove(struct i2c_client *client)
struct ad5398_chip_info *chip = i2c_get_clientdata(client);
regulator_unregister(chip->rdev);
- kfree(chip);
-
return 0;
}
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 81fd606e47bc..49b2112b0486 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -122,6 +122,7 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev)
struct anatop_regulator *sreg;
struct regulator_init_data *initdata;
struct anatop *anatopmfd = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
int ret = 0;
initdata = of_get_regulator_init_data(dev, np);
@@ -178,9 +179,13 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev)
rdesc->n_voltages = (sreg->max_voltage - sreg->min_voltage)
/ 25000 + 1;
+ config.dev = &pdev->dev;
+ config.init_data = initdata;
+ config.driver_data = sreg;
+ config.of_node = pdev->dev.of_node;
+
/* register regulator */
- rdev = regulator_register(rdesc, dev,
- initdata, sreg, pdev->dev.of_node);
+ rdev = regulator_register(rdesc, &config);
if (IS_ERR(rdev)) {
dev_err(dev, "failed to register %s\n",
rdesc->name);
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 046fb1bd8619..7584a74eec8a 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -24,6 +24,7 @@
#include <linux/suspend.h>
#include <linux/delay.h>
#include <linux/of.h>
+#include <linux/regmap.h>
#include <linux/regulator/of_regulator.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/driver.h>
@@ -74,6 +75,7 @@ struct regulator_map {
struct regulator {
struct device *dev;
struct list_head list;
+ unsigned int always_on:1;
int uA_load;
int min_uV;
int max_uV;
@@ -155,6 +157,17 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
return regnode;
}
+static int _regulator_can_change_status(struct regulator_dev *rdev)
+{
+ if (!rdev->constraints)
+ return 0;
+
+ if (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_STATUS)
+ return 1;
+ else
+ return 0;
+}
+
/* Platform voltage constraint check */
static int regulator_check_voltage(struct regulator_dev *rdev,
int *min_uV, int *max_uV)
@@ -649,7 +662,7 @@ static void drms_uA_update(struct regulator_dev *rdev)
/* get input voltage */
input_uV = 0;
if (rdev->supply)
- input_uV = _regulator_get_voltage(rdev);
+ input_uV = regulator_get_voltage(rdev->supply);
if (input_uV <= 0)
input_uV = rdev->constraints->input_uV;
if (input_uV <= 0)
@@ -673,17 +686,14 @@ static int suspend_set_state(struct regulator_dev *rdev,
struct regulator_state *rstate)
{
int ret = 0;
- bool can_set_state;
-
- can_set_state = rdev->desc->ops->set_suspend_enable &&
- rdev->desc->ops->set_suspend_disable;
/* If we have no suspend mode configration don't set anything;
- * only warn if the driver actually makes the suspend mode
- * configurable.
+ * only warn if the driver implements set_suspend_voltage or
+ * set_suspend_mode callback.
*/
if (!rstate->enabled && !rstate->disabled) {
- if (can_set_state)
+ if (rdev->desc->ops->set_suspend_voltage ||
+ rdev->desc->ops->set_suspend_mode)
rdev_warn(rdev, "No configuration\n");
return 0;
}
@@ -693,15 +703,13 @@ static int suspend_set_state(struct regulator_dev *rdev,
return -EINVAL;
}
- if (!can_set_state) {
- rdev_err(rdev, "no way to set suspend state\n");
- return -EINVAL;
- }
-
- if (rstate->enabled)
+ if (rstate->enabled && rdev->desc->ops->set_suspend_enable)
ret = rdev->desc->ops->set_suspend_enable(rdev);
- else
+ else if (rstate->disabled && rdev->desc->ops->set_suspend_disable)
ret = rdev->desc->ops->set_suspend_disable(rdev);
+ else /* OK if set_suspend_enable or set_suspend_disable is NULL */
+ ret = 0;
+
if (ret < 0) {
rdev_err(rdev, "failed to enabled/disable\n");
return ret;
@@ -1146,6 +1154,15 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
&regulator->max_uV);
}
+ /*
+ * Check now if the regulator is an always on regulator - if
+ * it is then we don't need to do nearly so much work for
+ * enable/disable calls.
+ */
+ if (!_regulator_can_change_status(rdev) &&
+ _regulator_is_enabled(rdev))
+ regulator->always_on = true;
+
mutex_unlock(&rdev->mutex);
return regulator;
link_name_err:
@@ -1169,26 +1186,52 @@ static int _regulator_get_enable_time(struct regulator_dev *rdev)
}
static struct regulator_dev *regulator_dev_lookup(struct device *dev,
- const char *supply)
+ const char *supply,
+ int *ret)
{
struct regulator_dev *r;
struct device_node *node;
+ struct regulator_map *map;
+ const char *devname = NULL;
/* first do a dt based lookup */
if (dev && dev->of_node) {
node = of_get_regulator(dev, supply);
- if (node)
+ if (node) {
list_for_each_entry(r, &regulator_list, list)
if (r->dev.parent &&
node == r->dev.of_node)
return r;
+ } else {
+ /*
+ * If we couldn't even get the node then it's
+ * not just that the device didn't register
+ * yet, there's no node and we'll never
+ * succeed.
+ */
+ *ret = -ENODEV;
+ }
}
/* if not found, try doing it non-dt way */
+ if (dev)
+ devname = dev_name(dev);
+
list_for_each_entry(r, &regulator_list, list)
if (strcmp(rdev_get_name(r), supply) == 0)
return r;
+ list_for_each_entry(map, &regulator_map_list, list) {
+ /* If the mapping has a device set up it must match */
+ if (map->dev_name &&
+ (!devname || strcmp(map->dev_name, devname)))
+ continue;
+
+ if (strcmp(map->supply, supply) == 0)
+ return map->regulator;
+ }
+
+
return NULL;
}
@@ -1197,7 +1240,6 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
int exclusive)
{
struct regulator_dev *rdev;
- struct regulator_map *map;
struct regulator *regulator = ERR_PTR(-EPROBE_DEFER);
const char *devname = NULL;
int ret;
@@ -1212,22 +1254,10 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
mutex_lock(&regulator_list_mutex);
- rdev = regulator_dev_lookup(dev, id);
+ rdev = regulator_dev_lookup(dev, id, &ret);
if (rdev)
goto found;
- list_for_each_entry(map, &regulator_map_list, list) {
- /* If the mapping has a device set up it must match */
- if (map->dev_name &&
- (!devname || strcmp(map->dev_name, devname)))
- continue;
-
- if (strcmp(map->supply, id) == 0) {
- rdev = map->regulator;
- goto found;
- }
- }
-
if (board_wants_dummy_regulator) {
rdev = dummy_regulator_rdev;
goto found;
@@ -1438,17 +1468,6 @@ void devm_regulator_put(struct regulator *regulator)
}
EXPORT_SYMBOL_GPL(devm_regulator_put);
-static int _regulator_can_change_status(struct regulator_dev *rdev)
-{
- if (!rdev->constraints)
- return 0;
-
- if (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_STATUS)
- return 1;
- else
- return 0;
-}
-
/* locks held by regulator_enable() */
static int _regulator_enable(struct regulator_dev *rdev)
{
@@ -1528,6 +1547,9 @@ int regulator_enable(struct regulator *regulator)
struct regulator_dev *rdev = regulator->rdev;
int ret = 0;
+ if (regulator->always_on)
+ return 0;
+
if (rdev->supply) {
ret = regulator_enable(rdev->supply);
if (ret != 0)
@@ -1606,6 +1628,9 @@ int regulator_disable(struct regulator *regulator)
struct regulator_dev *rdev = regulator->rdev;
int ret = 0;
+ if (regulator->always_on)
+ return 0;
+
mutex_lock(&rdev->mutex);
ret = _regulator_disable(rdev);
mutex_unlock(&rdev->mutex);
@@ -1714,6 +1739,9 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
struct regulator_dev *rdev = regulator->rdev;
int ret;
+ if (regulator->always_on)
+ return 0;
+
mutex_lock(&rdev->mutex);
rdev->deferred_disables++;
mutex_unlock(&rdev->mutex);
@@ -1727,6 +1755,61 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
}
EXPORT_SYMBOL_GPL(regulator_disable_deferred);
+/**
+ * regulator_is_enabled_regmap - standard is_enabled() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their is_enabled operation, saving some code.
+ */
+int regulator_is_enabled_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ return (val & rdev->desc->enable_mask) != 0;
+}
+EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
+
+/**
+ * regulator_enable_regmap - standard enable() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their enable() operation, saving some code.
+ */
+int regulator_enable_regmap(struct regulator_dev *rdev)
+{
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask,
+ rdev->desc->enable_mask);
+}
+EXPORT_SYMBOL_GPL(regulator_enable_regmap);
+
+/**
+ * regulator_disable_regmap - standard disable() for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * enable_reg and enable_mask fields in their descriptor and then use
+ * this as their disable() operation, saving some code.
+ */
+int regulator_disable_regmap(struct regulator_dev *rdev)
+{
+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+ rdev->desc->enable_mask, 0);
+}
+EXPORT_SYMBOL_GPL(regulator_disable_regmap);
+
static int _regulator_is_enabled(struct regulator_dev *rdev)
{
/* If we don't know then assume that the regulator is always on */
@@ -1752,6 +1835,9 @@ int regulator_is_enabled(struct regulator *regulator)
{
int ret;
+ if (regulator->always_on)
+ return 1;
+
mutex_lock(&regulator->rdev->mutex);
ret = _regulator_is_enabled(regulator->rdev);
mutex_unlock(&regulator->rdev->mutex);
@@ -1777,6 +1863,26 @@ int regulator_count_voltages(struct regulator *regulator)
EXPORT_SYMBOL_GPL(regulator_count_voltages);
/**
+ * regulator_list_voltage_linear - List voltages with simple calculation
+ *
+ * @rdev: Regulator device
+ * @selector: Selector to convert into a voltage
+ *
+ * Regulators with a simple linear mapping between voltages and
+ * selectors can set min_uV and uV_step in the regulator descriptor
+ * and then use this function as their list_voltage() operation,
+ */
+int regulator_list_voltage_linear(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ if (selector >= rdev->desc->n_voltages)
+ return -EINVAL;
+
+ return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
+}
+EXPORT_SYMBOL_GPL(regulator_list_voltage_linear);
+
+/**
* regulator_list_voltage - enumerate supported voltages
* @regulator: regulator source
* @selector: identify voltage to list
@@ -1840,75 +1946,183 @@ int regulator_is_supported_voltage(struct regulator *regulator,
}
EXPORT_SYMBOL_GPL(regulator_is_supported_voltage);
+/**
+ * regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users
+ *
+ * @rdev: regulator to operate on
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * vsel_reg and vsel_mask fields in their descriptor and then use this
+ * as their get_voltage_vsel operation, saving some code.
+ */
+int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ val &= rdev->desc->vsel_mask;
+ val >>= ffs(rdev->desc->vsel_mask) - 1;
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_regmap);
+
+/**
+ * regulator_set_voltage_sel_regmap - standard set_voltage_sel for regmap users
+ *
+ * @rdev: regulator to operate on
+ * @sel: Selector to set
+ *
+ * Regulators that use regmap for their register I/O can set the
+ * vsel_reg and vsel_mask fields in their descriptor and then use this
+ * as their set_voltage_vsel operation, saving some code.
+ */
+int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel)
+{
+ sel <<= ffs(rdev->desc->vsel_mask) - 1;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, sel);
+}
+EXPORT_SYMBOL_GPL(regulator_set_voltage_sel_regmap);
+
+/**
+ * regulator_map_voltage_iterate - map_voltage() based on list_voltage()
+ *
+ * @rdev: Regulator to operate on
+ * @min_uV: Lower bound for voltage
+ * @max_uV: Upper bound for voltage
+ *
+ * Drivers implementing set_voltage_sel() and list_voltage() can use
+ * this as their map_voltage() operation. It will find a suitable
+ * voltage by calling list_voltage() until it gets something in bounds
+ * for the requested voltages.
+ */
+int regulator_map_voltage_iterate(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int best_val = INT_MAX;
+ int selector = 0;
+ int i, ret;
+
+ /* Find the smallest voltage that falls within the specified
+ * range.
+ */
+ for (i = 0; i < rdev->desc->n_voltages; i++) {
+ ret = rdev->desc->ops->list_voltage(rdev, i);
+ if (ret < 0)
+ continue;
+
+ if (ret < best_val && ret >= min_uV && ret <= max_uV) {
+ best_val = ret;
+ selector = i;
+ }
+ }
+
+ if (best_val != INT_MAX)
+ return selector;
+ else
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(regulator_map_voltage_iterate);
+
+/**
+ * regulator_map_voltage_linear - map_voltage() for simple linear mappings
+ *
+ * @rdev: Regulator to operate on
+ * @min_uV: Lower bound for voltage
+ * @max_uV: Upper bound for voltage
+ *
+ * Drivers providing min_uV and uV_step in their regulator_desc can
+ * use this as their map_voltage() operation.
+ */
+int regulator_map_voltage_linear(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret, voltage;
+
+ if (!rdev->desc->uV_step) {
+ BUG_ON(!rdev->desc->uV_step);
+ return -EINVAL;
+ }
+
+ ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
+ if (ret < 0)
+ return ret;
+
+ /* Map back into a voltage to verify we're still in bounds */
+ voltage = rdev->desc->ops->list_voltage(rdev, ret);
+ if (voltage < min_uV || voltage > max_uV)
+ return -EINVAL;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(regulator_map_voltage_linear);
+
static int _regulator_do_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
int ret;
int delay = 0;
+ int best_val;
unsigned int selector;
+ int old_selector = -1;
trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV);
min_uV += rdev->constraints->uV_offset;
max_uV += rdev->constraints->uV_offset;
+ /*
+ * If we can't obtain the old selector there is not enough
+ * info to call set_voltage_time_sel().
+ */
+ if (rdev->desc->ops->set_voltage_time_sel &&
+ rdev->desc->ops->get_voltage_sel) {
+ old_selector = rdev->desc->ops->get_voltage_sel(rdev);
+ if (old_selector < 0)
+ return old_selector;
+ }
+
if (rdev->desc->ops->set_voltage) {
ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV,
&selector);
-
- if (rdev->desc->ops->list_voltage)
- selector = rdev->desc->ops->list_voltage(rdev,
- selector);
- else
- selector = -1;
} else if (rdev->desc->ops->set_voltage_sel) {
- int best_val = INT_MAX;
- int i;
-
- selector = 0;
-
- /* Find the smallest voltage that falls within the specified
- * range.
- */
- for (i = 0; i < rdev->desc->n_voltages; i++) {
- ret = rdev->desc->ops->list_voltage(rdev, i);
- if (ret < 0)
- continue;
+ if (rdev->desc->ops->map_voltage)
+ ret = rdev->desc->ops->map_voltage(rdev, min_uV,
+ max_uV);
+ else
+ ret = regulator_map_voltage_iterate(rdev, min_uV,
+ max_uV);
- if (ret < best_val && ret >= min_uV && ret <= max_uV) {
- best_val = ret;
- selector = i;
- }
+ if (ret >= 0) {
+ selector = ret;
+ ret = rdev->desc->ops->set_voltage_sel(rdev, ret);
}
+ } else {
+ ret = -EINVAL;
+ }
- /*
- * If we can't obtain the old selector there is not enough
- * info to call set_voltage_time_sel().
- */
- if (rdev->desc->ops->set_voltage_time_sel &&
- rdev->desc->ops->get_voltage_sel) {
- unsigned int old_selector = 0;
+ if (rdev->desc->ops->list_voltage)
+ best_val = rdev->desc->ops->list_voltage(rdev, selector);
+ else
+ best_val = -1;
- ret = rdev->desc->ops->get_voltage_sel(rdev);
- if (ret < 0)
- return ret;
- old_selector = ret;
- ret = rdev->desc->ops->set_voltage_time_sel(rdev,
- old_selector, selector);
- if (ret < 0)
- rdev_warn(rdev, "set_voltage_time_sel() failed: %d\n", ret);
- else
- delay = ret;
- }
+ /* Call set_voltage_time_sel if successfully obtained old_selector */
+ if (ret == 0 && old_selector >= 0 &&
+ rdev->desc->ops->set_voltage_time_sel) {
- if (best_val != INT_MAX) {
- ret = rdev->desc->ops->set_voltage_sel(rdev, selector);
- selector = best_val;
- } else {
- ret = -EINVAL;
+ delay = rdev->desc->ops->set_voltage_time_sel(rdev,
+ old_selector, selector);
+ if (delay < 0) {
+ rdev_warn(rdev, "set_voltage_time_sel() failed: %d\n",
+ delay);
+ delay = 0;
}
- } else {
- ret = -EINVAL;
}
/* Insert any necessary delays */
@@ -1923,7 +2137,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
_notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE,
NULL);
- trace_regulator_set_voltage_complete(rdev_get_name(rdev), selector);
+ trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val);
return ret;
}
@@ -2327,6 +2541,9 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load)
*/
ret = -EINVAL;
+ if (!rdev->desc->ops->set_mode)
+ goto out;
+
/* get output voltage */
output_uV = _regulator_get_voltage(rdev);
if (output_uV <= 0) {
@@ -2528,9 +2745,13 @@ int regulator_bulk_enable(int num_consumers,
int i;
int ret = 0;
- for (i = 0; i < num_consumers; i++)
- async_schedule_domain(regulator_bulk_enable_async,
- &consumers[i], &async_domain);
+ for (i = 0; i < num_consumers; i++) {
+ if (consumers[i].consumer->always_on)
+ consumers[i].ret = 0;
+ else
+ async_schedule_domain(regulator_bulk_enable_async,
+ &consumers[i], &async_domain);
+ }
async_synchronize_full_domain(&async_domain);
@@ -2569,7 +2790,7 @@ int regulator_bulk_disable(int num_consumers,
struct regulator_bulk_data *consumers)
{
int i;
- int ret;
+ int ret, r;
for (i = num_consumers - 1; i >= 0; --i) {
ret = regulator_disable(consumers[i].consumer);
@@ -2581,8 +2802,12 @@ int regulator_bulk_disable(int num_consumers,
err:
pr_err("Failed to disable %s: %d\n", consumers[i].supply, ret);
- for (++i; i < num_consumers; ++i)
- regulator_enable(consumers[i].consumer);
+ for (++i; i < num_consumers; ++i) {
+ r = regulator_enable(consumers[i].consumer);
+ if (r != 0)
+ pr_err("Failed to reename %s: %d\n",
+ consumers[i].supply, r);
+ }
return ret;
}
@@ -2759,10 +2984,6 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
return status;
}
- /* suspend mode constraints need multiple supporting methods */
- if (!(ops->set_suspend_enable && ops->set_suspend_disable))
- return status;
-
status = device_create_file(dev, &dev_attr_suspend_standby_state);
if (status < 0)
return status;
@@ -2823,28 +3044,29 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
/**
* regulator_register - register regulator
* @regulator_desc: regulator to register
- * @dev: struct device for the regulator
- * @init_data: platform provided init data, passed through by driver
- * @driver_data: private regulator data
- * @of_node: OpenFirmware node to parse for device tree bindings (may be
- * NULL).
+ * @config: runtime configuration for regulator
*
* Called by regulator drivers to register a regulator.
* Returns 0 on success.
*/
-struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
- struct device *dev, const struct regulator_init_data *init_data,
- void *driver_data, struct device_node *of_node)
+struct regulator_dev *
+regulator_register(const struct regulator_desc *regulator_desc,
+ const struct regulator_config *config)
{
const struct regulation_constraints *constraints = NULL;
+ const struct regulator_init_data *init_data;
static atomic_t regulator_no = ATOMIC_INIT(0);
struct regulator_dev *rdev;
+ struct device *dev;
int ret, i;
const char *supply = NULL;
- if (regulator_desc == NULL)
+ if (regulator_desc == NULL || config == NULL)
return ERR_PTR(-EINVAL);
+ dev = config->dev;
+ WARN_ON(!dev);
+
if (regulator_desc->name == NULL || regulator_desc->ops == NULL)
return ERR_PTR(-EINVAL);
@@ -2868,6 +3090,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
return ERR_PTR(-EINVAL);
}
+ init_data = config->init_data;
+
rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL);
if (rdev == NULL)
return ERR_PTR(-ENOMEM);
@@ -2875,9 +3099,10 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
mutex_lock(&regulator_list_mutex);
mutex_init(&rdev->mutex);
- rdev->reg_data = driver_data;
+ rdev->reg_data = config->driver_data;
rdev->owner = regulator_desc->owner;
rdev->desc = regulator_desc;
+ rdev->regmap = config->regmap;
INIT_LIST_HEAD(&rdev->consumer_list);
INIT_LIST_HEAD(&rdev->list);
BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
@@ -2892,7 +3117,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
/* register with sysfs */
rdev->dev.class = &regulator_class;
- rdev->dev.of_node = of_node;
+ rdev->dev.of_node = config->of_node;
rdev->dev.parent = dev;
dev_set_name(&rdev->dev, "regulator.%d",
atomic_inc_return(&regulator_no) - 1);
@@ -2925,7 +3150,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
if (supply) {
struct regulator_dev *r;
- r = regulator_dev_lookup(dev, supply);
+ r = regulator_dev_lookup(dev, supply, &ret);
if (!r) {
dev_err(dev, "Failed to find supply %s\n", supply);
@@ -2938,8 +3163,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
goto scrub;
/* Enable supply if rail is enabled */
- if (rdev->desc->ops->is_enabled &&
- rdev->desc->ops->is_enabled(rdev)) {
+ if (_regulator_is_enabled(rdev)) {
ret = regulator_enable(rdev->supply);
if (ret < 0)
goto scrub;
@@ -2971,6 +3195,8 @@ unset_supplies:
unset_regulator_supplies(rdev);
scrub:
+ if (rdev->supply)
+ regulator_put(rdev->supply);
kfree(rdev->constraints);
device_unregister(&rdev->dev);
/* device core frees rdev */
@@ -3069,7 +3295,7 @@ int regulator_suspend_finish(void)
goto unlock;
if (!ops->disable)
goto unlock;
- if (ops->is_enabled && !ops->is_enabled(rdev))
+ if (!_regulator_is_enabled(rdev))
goto unlock;
error = ops->disable(rdev);
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 1851f0929ef0..1005f5f7e603 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -76,9 +76,7 @@
struct da903x_regulator_info {
struct regulator_desc desc;
- int min_uV;
int max_uV;
- int step_uV;
int vol_reg;
int vol_shift;
int vol_nbits;
@@ -88,10 +86,6 @@ struct da903x_regulator_info {
int enable_bit;
};
-static int da9034_ldo12_data[] = { 1700, 1750, 1800, 1850, 1900, 1950,
- 2000, 2050, 2700, 2750, 2800, 2850,
- 2900, 2950, 3000, 3050 };
-
static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
{
return rdev_get_dev(rdev)->parent->parent;
@@ -100,34 +94,26 @@ static inline struct device *to_da903x_dev(struct regulator_dev *rdev)
static inline int check_range(struct da903x_regulator_info *info,
int min_uV, int max_uV)
{
- if (min_uV < info->min_uV || min_uV > info->max_uV)
+ if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
return -EINVAL;
return 0;
}
/* DA9030/DA9034 common operations */
-static int da903x_set_ldo_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int da903x_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
struct device *da9034_dev = to_da903x_dev(rdev);
uint8_t val, mask;
- if (check_range(info, min_uV, max_uV)) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
-
- val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
- *selector = val;
- val <<= info->vol_shift;
+ val = selector << info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
return da903x_update(da9034_dev, info->vol_reg, val, mask);
}
-static int da903x_get_voltage(struct regulator_dev *rdev)
+static int da903x_get_voltage_sel(struct regulator_dev *rdev)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
struct device *da9034_dev = to_da903x_dev(rdev);
@@ -141,7 +127,7 @@ static int da903x_get_voltage(struct regulator_dev *rdev)
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
val = (val & mask) >> info->vol_shift;
- return info->min_uV + info->step_uV * val;
+ return val;
}
static int da903x_enable(struct regulator_dev *rdev)
@@ -176,35 +162,16 @@ static int da903x_is_enabled(struct regulator_dev *rdev)
return !!(reg_val & (1 << info->enable_bit));
}
-static int da903x_list_voltage(struct regulator_dev *rdev, unsigned selector)
-{
- struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- int ret;
-
- ret = info->min_uV + info->step_uV * selector;
- if (ret > info->max_uV)
- return -EINVAL;
- return ret;
-}
-
/* DA9030 specific operations */
-static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int da9030_set_ldo1_15_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
struct device *da903x_dev = to_da903x_dev(rdev);
uint8_t val, mask;
int ret;
- if (check_range(info, min_uV, max_uV)) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
-
- val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
- *selector = val;
- val <<= info->vol_shift;
+ val = selector << info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */
mask |= DA9030_LDO_UNLOCK_MASK;
@@ -217,73 +184,57 @@ static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
return da903x_update(da903x_dev, info->vol_reg, val, mask);
}
-static int da9030_set_ldo14_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int da9030_map_ldo14_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da903x_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int thresh;
+ int thresh, sel;
if (check_range(info, min_uV, max_uV)) {
pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
return -EINVAL;
}
- thresh = (info->max_uV + info->min_uV) / 2;
+ thresh = (info->max_uV + info->desc.min_uV) / 2;
if (min_uV < thresh) {
- val = DIV_ROUND_UP(thresh - min_uV, info->step_uV);
- val |= 0x4;
+ sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);
+ sel |= 0x4;
} else {
- val = DIV_ROUND_UP(min_uV - thresh, info->step_uV);
+ sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);
}
- *selector = val;
- val <<= info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
-
- return da903x_update(da903x_dev, info->vol_reg, val, mask);
+ return sel;
}
-static int da9030_get_ldo14_voltage(struct regulator_dev *rdev)
+static int da9030_list_ldo14_voltage(struct regulator_dev *rdev,
+ unsigned selector)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da903x_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int ret;
+ int volt;
- ret = da903x_read(da903x_dev, info->vol_reg, &val);
- if (ret)
- return ret;
+ if (selector & 0x4)
+ volt = rdev->desc->min_uV +
+ rdev->desc->uV_step * (3 - (selector & ~0x4));
+ else
+ volt = (info->max_uV + rdev->desc->min_uV) / 2 +
+ rdev->desc->uV_step * (selector & ~0x4);
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = (val & mask) >> info->vol_shift;
+ if (volt > info->max_uV)
+ return -EINVAL;
- if (val & 0x4)
- return info->min_uV + info->step_uV * (3 - (val & ~0x4));
- else
- return (info->max_uV + info->min_uV) / 2 +
- info->step_uV * (val & ~0x4);
+ return volt;
}
/* DA9034 specific operations */
-static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
struct device *da9034_dev = to_da903x_dev(rdev);
uint8_t val, mask;
int ret;
- if (check_range(info, min_uV, max_uV)) {
- pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
- return -EINVAL;
- }
-
- val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
- *selector = val;
- val <<= info->vol_shift;
+ val = selector << info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
ret = da903x_update(da9034_dev, info->vol_reg, val, mask);
@@ -295,59 +246,45 @@ static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
return ret;
}
-static int da9034_set_ldo12_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int da9034_map_ldo12_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
+ int sel;
if (check_range(info, min_uV, max_uV)) {
pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
return -EINVAL;
}
- val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
- val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val);
- *selector = val;
- val <<= info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+ sel = DIV_ROUND_UP(min_uV - info->desc.min_uV, info->desc.uV_step);
+ sel = (sel >= 20) ? sel - 12 : ((sel > 7) ? 8 : sel);
- return da903x_update(da9034_dev, info->vol_reg, val, mask);
+ return sel;
}
-static int da9034_get_ldo12_voltage(struct regulator_dev *rdev)
+static int da9034_list_ldo12_voltage(struct regulator_dev *rdev,
+ unsigned selector)
{
struct da903x_regulator_info *info = rdev_get_drvdata(rdev);
- struct device *da9034_dev = to_da903x_dev(rdev);
- uint8_t val, mask;
- int ret;
-
- ret = da903x_read(da9034_dev, info->vol_reg, &val);
- if (ret)
- return ret;
-
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- val = (val & mask) >> info->vol_shift;
+ int volt;
- if (val >= 8)
- return 2700000 + info->step_uV * (val - 8);
-
- return info->min_uV + info->step_uV * val;
-}
+ if (selector >= 8)
+ volt = 2700000 + rdev->desc->uV_step * (selector - 8);
+ else
+ volt = rdev->desc->min_uV + rdev->desc->uV_step * selector;
-static int da9034_list_ldo12_voltage(struct regulator_dev *rdev,
- unsigned selector)
-{
- if (selector >= ARRAY_SIZE(da9034_ldo12_data))
+ if (volt > info->max_uV)
return -EINVAL;
- return da9034_ldo12_data[selector] * 1000;
+
+ return volt;
}
static struct regulator_ops da903x_regulator_ldo_ops = {
- .set_voltage = da903x_set_ldo_voltage,
- .get_voltage = da903x_get_voltage,
- .list_voltage = da903x_list_voltage,
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
.enable = da903x_enable,
.disable = da903x_disable,
.is_enabled = da903x_is_enabled,
@@ -355,9 +292,10 @@ static struct regulator_ops da903x_regulator_ldo_ops = {
/* NOTE: this is dedicated for the insane DA9030 LDO14 */
static struct regulator_ops da9030_regulator_ldo14_ops = {
- .set_voltage = da9030_set_ldo14_voltage,
- .get_voltage = da9030_get_ldo14_voltage,
- .list_voltage = da903x_list_voltage,
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = da9030_list_ldo14_voltage,
+ .map_voltage = da9030_map_ldo14_voltage,
.enable = da903x_enable,
.disable = da903x_disable,
.is_enabled = da903x_is_enabled,
@@ -365,18 +303,20 @@ static struct regulator_ops da9030_regulator_ldo14_ops = {
/* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */
static struct regulator_ops da9030_regulator_ldo1_15_ops = {
- .set_voltage = da9030_set_ldo1_15_voltage,
- .get_voltage = da903x_get_voltage,
- .list_voltage = da903x_list_voltage,
+ .set_voltage_sel = da9030_set_ldo1_15_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
.enable = da903x_enable,
.disable = da903x_disable,
.is_enabled = da903x_is_enabled,
};
static struct regulator_ops da9034_regulator_dvc_ops = {
- .set_voltage = da9034_set_dvc_voltage,
- .get_voltage = da903x_get_voltage,
- .list_voltage = da903x_list_voltage,
+ .set_voltage_sel = da9034_set_dvc_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
.enable = da903x_enable,
.disable = da903x_disable,
.is_enabled = da903x_is_enabled,
@@ -384,9 +324,10 @@ static struct regulator_ops da9034_regulator_dvc_ops = {
/* NOTE: this is dedicated for the insane LDO12 */
static struct regulator_ops da9034_regulator_ldo12_ops = {
- .set_voltage = da9034_set_ldo12_voltage,
- .get_voltage = da9034_get_ldo12_voltage,
+ .set_voltage_sel = da903x_set_voltage_sel,
+ .get_voltage_sel = da903x_get_voltage_sel,
.list_voltage = da9034_list_ldo12_voltage,
+ .map_voltage = da9034_map_ldo12_voltage,
.enable = da903x_enable,
.disable = da903x_disable,
.is_enabled = da903x_is_enabled,
@@ -401,10 +342,10 @@ static struct regulator_ops da9034_regulator_ldo12_ops = {
.id = _pmic##_ID_LDO##_id, \
.n_voltages = (step) ? ((max - min) / step + 1) : 1, \
.owner = THIS_MODULE, \
+ .min_uV = (min) * 1000, \
+ .uV_step = (step) * 1000, \
}, \
- .min_uV = (min) * 1000, \
.max_uV = (max) * 1000, \
- .step_uV = (step) * 1000, \
.vol_reg = _pmic##_##vreg, \
.vol_shift = (shift), \
.vol_nbits = (nbits), \
@@ -421,10 +362,10 @@ static struct regulator_ops da9034_regulator_ldo12_ops = {
.id = _pmic##_ID_##_id, \
.n_voltages = (step) ? ((max - min) / step + 1) : 1, \
.owner = THIS_MODULE, \
+ .min_uV = (min) * 1000, \
+ .uV_step = (step) * 1000, \
}, \
- .min_uV = (min) * 1000, \
.max_uV = (max) * 1000, \
- .step_uV = (step) * 1000, \
.vol_reg = _pmic##_##vreg, \
.vol_shift = (0), \
.vol_nbits = (nbits), \
@@ -517,6 +458,7 @@ static int __devinit da903x_regulator_probe(struct platform_device *pdev)
{
struct da903x_regulator_info *ri = NULL;
struct regulator_dev *rdev;
+ struct regulator_config config = { };
ri = find_regulator_info(pdev->id);
if (ri == NULL) {
@@ -527,7 +469,7 @@ static int __devinit da903x_regulator_probe(struct platform_device *pdev)
/* Workaround for the weird LDO12 voltage setting */
if (ri->desc.id == DA9034_ID_LDO12) {
ri->desc.ops = &da9034_regulator_ldo12_ops;
- ri->desc.n_voltages = ARRAY_SIZE(da9034_ldo12_data);
+ ri->desc.n_voltages = 16;
}
if (ri->desc.id == DA9030_ID_LDO14)
@@ -536,8 +478,11 @@ static int __devinit da903x_regulator_probe(struct platform_device *pdev)
if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)
ri->desc.ops = &da9030_regulator_ldo1_15_ops;
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdev->dev.platform_data, ri, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = ri;
+
+ rdev = regulator_register(&ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 09915e89705d..88976d8d44ed 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -19,6 +19,10 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
+#ifdef CONFIG_OF
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+#endif
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
@@ -37,6 +41,22 @@
#define DA9052_BUCK_ILIM_MASK_EVEN 0x0c
#define DA9052_BUCK_ILIM_MASK_ODD 0xc0
+/* DA9052 REGULATOR IDs */
+#define DA9052_ID_BUCK1 0
+#define DA9052_ID_BUCK2 1
+#define DA9052_ID_BUCK3 2
+#define DA9052_ID_BUCK4 3
+#define DA9052_ID_LDO1 4
+#define DA9052_ID_LDO2 5
+#define DA9052_ID_LDO3 6
+#define DA9052_ID_LDO4 7
+#define DA9052_ID_LDO5 8
+#define DA9052_ID_LDO6 9
+#define DA9052_ID_LDO7 10
+#define DA9052_ID_LDO8 11
+#define DA9052_ID_LDO9 12
+#define DA9052_ID_LDO10 13
+
static const u32 da9052_current_limits[3][4] = {
{700000, 800000, 1000000, 1200000}, /* DA9052-BC BUCKs */
{1600000, 2000000, 2400000, 3000000}, /* DA9053-AA/Bx BUCK-CORE */
@@ -50,8 +70,6 @@ struct da9052_regulator_info {
int step_uV;
int min_uV;
int max_uV;
- unsigned char volt_shift;
- unsigned char en_bit;
unsigned char activate_bit;
};
@@ -70,42 +88,6 @@ static int verify_range(struct da9052_regulator_info *info,
return 0;
}
-static int da9052_regulator_enable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 1 << info->en_bit);
-}
-
-static int da9052_regulator_disable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 0);
-}
-
-static int da9052_regulator_is_enabled(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
- if (ret < 0)
- return ret;
-
- return ret & (1 << info->en_bit);
-}
-
static int da9052_dcdc_get_current_limit(struct regulator_dev *rdev)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
@@ -173,36 +155,23 @@ static int da9052_dcdc_set_current_limit(struct regulator_dev *rdev, int min_uA,
reg_val << 6);
}
-static int da9052_list_buckperi_voltage(struct regulator_dev *rdev,
- unsigned int selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int volt_uV;
-
- if ((regulator->da9052->chip_id == DA9052) &&
- (selector >= DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)) {
- volt_uV = ((DA9052_BUCK_PERI_REG_MAP_UPTO_3uV * info->step_uV)
- + info->min_uV);
- volt_uV += (selector - DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)
- * (DA9052_BUCK_PERI_3uV_STEP);
- } else
- volt_uV = (selector * info->step_uV) + info->min_uV;
-
- if (volt_uV > info->max_uV)
- return -EINVAL;
-
- return volt_uV;
-}
-
static int da9052_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
+ int id = rdev_get_id(rdev);
int volt_uV;
- volt_uV = info->min_uV + info->step_uV * selector;
+ if ((id == DA9052_ID_BUCK4) && (regulator->da9052->chip_id == DA9052)
+ && (selector >= DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)) {
+ volt_uV = ((DA9052_BUCK_PERI_REG_MAP_UPTO_3uV * info->step_uV)
+ + info->min_uV);
+ volt_uV += (selector - DA9052_BUCK_PERI_REG_MAP_UPTO_3uV)
+ * (DA9052_BUCK_PERI_3uV_STEP);
+ } else {
+ volt_uV = (selector * info->step_uV) + info->min_uV;
+ }
if (volt_uV > info->max_uV)
return -EINVAL;
@@ -210,103 +179,13 @@ static int da9052_list_voltage(struct regulator_dev *rdev,
return volt_uV;
}
-static int da9052_regulator_set_voltage_int(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = verify_range(info, min_uV, max_uV);
- if (ret < 0)
- return ret;
-
- if (min_uV < info->min_uV)
- min_uV = info->min_uV;
-
- *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
-
- ret = da9052_list_voltage(rdev, *selector);
- if (ret < 0)
- return ret;
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- (1 << info->volt_shift) - 1, *selector);
-}
-
-static int da9052_set_ldo_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- return da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
-}
-
-static int da9052_set_ldo5_6_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int ret;
-
- ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
- if (ret < 0)
- return ret;
-
- /* Some LDOs are DVC controlled which requires enabling of
- * the LDO activate bit to implment the changes on the
- * LDO output.
- */
- return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
- info->activate_bit, info->activate_bit);
-}
-
-static int da9052_set_dcdc_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned int *selector)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int ret;
-
- ret = da9052_regulator_set_voltage_int(rdev, min_uV, max_uV, selector);
- if (ret < 0)
- return ret;
-
- /* Some DCDCs are DVC controlled which requires enabling of
- * the DCDC activate bit to implment the changes on the
- * DCDC output.
- */
- return da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
- info->activate_bit, info->activate_bit);
-}
-
-static int da9052_get_regulator_voltage_sel(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
- if (ret < 0)
- return ret;
-
- ret &= ((1 << info->volt_shift) - 1);
-
- return ret;
-}
-
-static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned int *selector)
+static int da9052_map_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
+ int id = rdev_get_id(rdev);
+ int ret, sel;
ret = verify_range(info, min_uV, max_uV);
if (ret < 0)
@@ -315,192 +194,147 @@ static int da9052_set_buckperi_voltage(struct regulator_dev *rdev, int min_uV,
if (min_uV < info->min_uV)
min_uV = info->min_uV;
- if ((regulator->da9052->chip_id == DA9052) &&
- (min_uV >= DA9052_CONST_3uV))
- *selector = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV +
- DIV_ROUND_UP(min_uV - DA9052_CONST_3uV,
- DA9052_BUCK_PERI_3uV_STEP);
- else
- *selector = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
+ if ((id == DA9052_ID_BUCK4) && (regulator->da9052->chip_id == DA9052)
+ && (min_uV >= DA9052_CONST_3uV)) {
+ sel = DA9052_BUCK_PERI_REG_MAP_UPTO_3uV +
+ DIV_ROUND_UP(min_uV - DA9052_CONST_3uV,
+ DA9052_BUCK_PERI_3uV_STEP);
+ } else {
+ sel = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
+ }
- ret = da9052_list_buckperi_voltage(rdev, *selector);
+ ret = da9052_list_voltage(rdev, sel);
if (ret < 0)
return ret;
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- (1 << info->volt_shift) - 1, *selector);
+ return sel;
}
-static int da9052_get_buckperi_voltage_sel(struct regulator_dev *rdev)
+static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
+ int id = rdev_get_id(rdev);
int ret;
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
+ ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg,
+ rdev->desc->vsel_mask, selector);
if (ret < 0)
return ret;
- ret &= ((1 << info->volt_shift) - 1);
+ /* Some LDOs and DCDCs are DVC controlled which requires enabling of
+ * the activate bit to implment the changes on the output.
+ */
+ switch (id) {
+ case DA9052_ID_BUCK1:
+ case DA9052_ID_BUCK2:
+ case DA9052_ID_BUCK3:
+ case DA9052_ID_LDO2:
+ case DA9052_ID_LDO3:
+ ret = da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG,
+ info->activate_bit, info->activate_bit);
+ break;
+ }
return ret;
}
-static struct regulator_ops da9052_buckperi_ops = {
- .list_voltage = da9052_list_buckperi_voltage,
- .get_voltage_sel = da9052_get_buckperi_voltage_sel,
- .set_voltage = da9052_set_buckperi_voltage,
-
- .get_current_limit = da9052_dcdc_get_current_limit,
- .set_current_limit = da9052_dcdc_set_current_limit,
-
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
-};
-
static struct regulator_ops da9052_dcdc_ops = {
- .set_voltage = da9052_set_dcdc_voltage,
.get_current_limit = da9052_dcdc_get_current_limit,
.set_current_limit = da9052_dcdc_set_current_limit,
.list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
-};
-
-static struct regulator_ops da9052_ldo5_6_ops = {
- .set_voltage = da9052_set_ldo5_6_voltage,
-
- .list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .map_voltage = da9052_map_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = da9052_regulator_set_voltage_sel,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static struct regulator_ops da9052_ldo_ops = {
- .set_voltage = da9052_set_ldo_voltage,
-
.list_voltage = da9052_list_voltage,
- .get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .map_voltage = da9052_map_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = da9052_regulator_set_voltage_sel,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
-#define DA9052_LDO5_6(_id, step, min, max, sbits, ebits, abits) \
-{\
- .reg_desc = {\
- .name = "LDO" #_id,\
- .ops = &da9052_ldo5_6_ops,\
- .type = REGULATOR_VOLTAGE,\
- .id = _id,\
- .n_voltages = (max - min) / step + 1, \
- .owner = THIS_MODULE,\
- },\
- .min_uV = (min) * 1000,\
- .max_uV = (max) * 1000,\
- .step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
- .activate_bit = (abits),\
-}
-
#define DA9052_LDO(_id, step, min, max, sbits, ebits, abits) \
{\
.reg_desc = {\
- .name = "LDO" #_id,\
+ .name = #_id,\
.ops = &da9052_ldo_ops,\
.type = REGULATOR_VOLTAGE,\
- .id = _id,\
+ .id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .vsel_mask = (1 << (sbits)) - 1,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
#define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \
{\
.reg_desc = {\
- .name = "BUCK" #_id,\
+ .name = #_id,\
.ops = &da9052_dcdc_ops,\
.type = REGULATOR_VOLTAGE,\
- .id = _id,\
+ .id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .vsel_mask = (1 << (sbits)) - 1,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
- .activate_bit = (abits),\
-}
-
-#define DA9052_BUCKPERI(_id, step, min, max, sbits, ebits, abits) \
-{\
- .reg_desc = {\
- .name = "BUCK" #_id,\
- .ops = &da9052_buckperi_ops,\
- .type = REGULATOR_VOLTAGE,\
- .id = _id,\
- .n_voltages = (max - min) / step + 1, \
- .owner = THIS_MODULE,\
- },\
- .min_uV = (min) * 1000,\
- .max_uV = (max) * 1000,\
- .step_uV = (step) * 1000,\
- .volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
static struct da9052_regulator_info da9052_regulator_info[] = {
- /* Buck1 - 4 */
- DA9052_DCDC(0, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
- DA9052_DCDC(1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
- DA9052_DCDC(2, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
- DA9052_BUCKPERI(3, 50, 1800, 3600, 5, 6, 0),
- /* LD01 - LDO10 */
- DA9052_LDO(4, 50, 600, 1800, 5, 6, 0),
- DA9052_LDO5_6(5, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
- DA9052_LDO5_6(6, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
- DA9052_LDO(7, 25, 1725, 3300, 6, 6, 0),
- DA9052_LDO(8, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(9, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(10, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(11, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(12, 50, 1250, 3650, 6, 6, 0),
- DA9052_LDO(13, 50, 1200, 3600, 6, 6, 0),
+ DA9052_DCDC(BUCK1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
+ DA9052_DCDC(BUCK2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
+ DA9052_DCDC(BUCK3, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
+ DA9052_DCDC(BUCK4, 50, 1800, 3600, 5, 6, 0),
+ DA9052_LDO(LDO1, 50, 600, 1800, 5, 6, 0),
+ DA9052_LDO(LDO2, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
+ DA9052_LDO(LDO3, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
+ DA9052_LDO(LDO4, 25, 1725, 3300, 6, 6, 0),
+ DA9052_LDO(LDO5, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO6, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO7, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO8, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO9, 50, 1250, 3650, 6, 6, 0),
+ DA9052_LDO(LDO10, 50, 1200, 3600, 6, 6, 0),
};
static struct da9052_regulator_info da9053_regulator_info[] = {
- /* Buck1 - 4 */
- DA9052_DCDC(0, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
- DA9052_DCDC(1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
- DA9052_DCDC(2, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
- DA9052_BUCKPERI(3, 25, 925, 2500, 6, 6, 0),
- /* LD01 - LDO10 */
- DA9052_LDO(4, 50, 600, 1800, 5, 6, 0),
- DA9052_LDO5_6(5, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
- DA9052_LDO5_6(6, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
- DA9052_LDO(7, 25, 1725, 3300, 6, 6, 0),
- DA9052_LDO(8, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(9, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(10, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(11, 50, 1200, 3600, 6, 6, 0),
- DA9052_LDO(12, 50, 1250, 3650, 6, 6, 0),
- DA9052_LDO(13, 50, 1200, 3600, 6, 6, 0),
+ DA9052_DCDC(BUCK1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
+ DA9052_DCDC(BUCK2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
+ DA9052_DCDC(BUCK3, 25, 925, 2500, 6, 6, DA9052_SUPPLY_VBMEMGO),
+ DA9052_DCDC(BUCK4, 25, 925, 2500, 6, 6, 0),
+ DA9052_LDO(LDO1, 50, 600, 1800, 5, 6, 0),
+ DA9052_LDO(LDO2, 25, 600, 1800, 6, 6, DA9052_SUPPLY_VLDO2GO),
+ DA9052_LDO(LDO3, 25, 1725, 3300, 6, 6, DA9052_SUPPLY_VLDO3GO),
+ DA9052_LDO(LDO4, 25, 1725, 3300, 6, 6, 0),
+ DA9052_LDO(LDO5, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO6, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO7, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO8, 50, 1200, 3600, 6, 6, 0),
+ DA9052_LDO(LDO9, 50, 1250, 3650, 6, 6, 0),
+ DA9052_LDO(LDO10, 50, 1200, 3600, 6, 6, 0),
};
static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
@@ -533,10 +367,10 @@ static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
static int __devinit da9052_regulator_probe(struct platform_device *pdev)
{
+ struct regulator_config config = { };
struct da9052_regulator *regulator;
struct da9052 *da9052;
struct da9052_pdata *pdata;
- int ret;
regulator = devm_kzalloc(&pdev->dev, sizeof(struct da9052_regulator),
GFP_KERNEL);
@@ -551,26 +385,49 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)
pdev->id);
if (regulator->info == NULL) {
dev_err(&pdev->dev, "invalid regulator ID specified\n");
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
+
+ config.dev = &pdev->dev;
+ config.driver_data = regulator;
+ config.regmap = da9052->regmap;
+ if (pdata && pdata->regulators) {
+ config.init_data = pdata->regulators[pdev->id];
+ } else {
+#ifdef CONFIG_OF
+ struct device_node *nproot = da9052->dev->of_node;
+ struct device_node *np;
+
+ if (!nproot)
+ return -ENODEV;
+
+ nproot = of_find_node_by_name(nproot, "regulators");
+ if (!nproot)
+ return -ENODEV;
+
+ for (np = of_get_next_child(nproot, NULL); np;
+ np = of_get_next_child(nproot, np)) {
+ if (!of_node_cmp(np->name,
+ regulator->info->reg_desc.name)) {
+ config.init_data = of_get_regulator_init_data(
+ &pdev->dev, np);
+ break;
+ }
+ }
+#endif
+ }
+
regulator->rdev = regulator_register(&regulator->info->reg_desc,
- &pdev->dev,
- pdata->regulators[pdev->id],
- regulator, NULL);
+ &config);
if (IS_ERR(regulator->rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
regulator->info->reg_desc.name);
- ret = PTR_ERR(regulator->rdev);
- goto err;
+ return PTR_ERR(regulator->rdev);
}
platform_set_drvdata(pdev, regulator);
return 0;
-err:
- devm_kfree(&pdev->dev, regulator);
- return ret;
}
static int __devexit da9052_regulator_remove(struct platform_device *pdev)
@@ -578,8 +435,6 @@ static int __devexit da9052_regulator_remove(struct platform_device *pdev)
struct da9052_regulator *regulator = platform_get_drvdata(pdev);
regulator_unregister(regulator->rdev);
- devm_kfree(&pdev->dev, regulator);
-
return 0;
}
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 4bd25e75efa0..968f97f3cb3d 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -17,6 +17,8 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/db8500-prcmu.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/of.h>
#include <linux/module.h>
#include "dbx500-prcmu.h"
@@ -410,45 +412,120 @@ dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
},
};
+static __devinit int db8500_regulator_register(struct platform_device *pdev,
+ struct regulator_init_data *init_data,
+ int id,
+ struct device_node *np)
+{
+ struct dbx500_regulator_info *info;
+ struct regulator_config config = { };
+ int err;
+
+ /* assign per-regulator data */
+ info = &dbx500_regulator_info[id];
+ info->dev = &pdev->dev;
+
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.driver_data = info;
+ config.of_node = np;
+
+ /* register with the regulator framework */
+ info->rdev = regulator_register(&info->desc, &config);
+ if (IS_ERR(info->rdev)) {
+ err = PTR_ERR(info->rdev);
+ dev_err(&pdev->dev, "failed to register %s: err %i\n",
+ info->desc.name, err);
+
+ /* if failing, unregister all earlier regulators */
+ while (--id >= 0) {
+ info = &dbx500_regulator_info[id];
+ regulator_unregister(info->rdev);
+ }
+ return err;
+ }
+
+ dev_dbg(rdev_get_dev(info->rdev),
+ "regulator-%s-probed\n", info->desc.name);
+
+ return 0;
+}
+
+static struct of_regulator_match db8500_regulator_matches[] = {
+ { .name = "db8500-vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, },
+ { .name = "db8500-varm", .driver_data = (void *) DB8500_REGULATOR_VARM, },
+ { .name = "db8500-vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, },
+ { .name = "db8500-vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, },
+ { .name = "db8500-vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, },
+ { .name = "db8500-vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, },
+ { .name = "db8500-vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, },
+ { .name = "db8500-vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, },
+ { .name = "db8500-sva-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, },
+ { .name = "db8500-sva-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, },
+ { .name = "db8500-sva-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, },
+ { .name = "db8500-sia-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, },
+ { .name = "db8500-sia-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, },
+ { .name = "db8500-sia-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, },
+ { .name = "db8500-sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, },
+ { .name = "db8500-b2r2-mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, },
+ { .name = "db8500-esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, },
+ { .name = "db8500-esram12-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, },
+ { .name = "db8500-esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, },
+ { .name = "db8500-esram34-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, },
+};
+
+static __devinit int
+db8500_regulator_of_probe(struct platform_device *pdev,
+ struct device_node *np)
+{
+ int i, err;
+
+ for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
+ err = db8500_regulator_register(
+ pdev, db8500_regulator_matches[i].init_data,
+ i, db8500_regulator_matches[i].of_node);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int __devinit db8500_regulator_probe(struct platform_device *pdev)
{
struct regulator_init_data *db8500_init_data =
dev_get_platdata(&pdev->dev);
+ struct device_node *np = pdev->dev.of_node;
int i, err;
/* register all regulators */
- for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
- struct dbx500_regulator_info *info;
- struct regulator_init_data *init_data = &db8500_init_data[i];
-
- /* assign per-regulator data */
- info = &dbx500_regulator_info[i];
- info->dev = &pdev->dev;
-
- /* register with the regulator framework */
- info->rdev = regulator_register(&info->desc, &pdev->dev,
- init_data, info, NULL);
- if (IS_ERR(info->rdev)) {
- err = PTR_ERR(info->rdev);
- dev_err(&pdev->dev, "failed to register %s: err %i\n",
- info->desc.name, err);
-
- /* if failing, unregister all earlier regulators */
- while (--i >= 0) {
- info = &dbx500_regulator_info[i];
- regulator_unregister(info->rdev);
- }
+ if (np) {
+ err = of_regulator_match(&pdev->dev, np,
+ db8500_regulator_matches,
+ ARRAY_SIZE(db8500_regulator_matches));
+ if (err < 0) {
+ dev_err(&pdev->dev,
+ "Error parsing regulator init data: %d\n", err);
return err;
}
- dev_dbg(rdev_get_dev(info->rdev),
- "regulator-%s-probed\n", info->desc.name);
+ err = db8500_regulator_of_probe(pdev, np);
+ if (err)
+ return err;
+ } else {
+ for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
+ err = db8500_regulator_register(pdev,
+ &db8500_init_data[i],
+ i, NULL);
+ if (err)
+ return err;
+ }
}
+
err = ux500_regulator_debug_init(pdev,
dbx500_regulator_info,
ARRAY_SIZE(dbx500_regulator_info));
-
- return err;
+ return 0;
}
static int __exit db8500_regulator_remove(struct platform_device *pdev)
@@ -470,10 +547,16 @@ static int __exit db8500_regulator_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id db8500_prcmu_regulator_match[] = {
+ { .compatible = "stericsson,db8500-prcmu-regulator", },
+ {}
+};
+
static struct platform_driver db8500_regulator_driver = {
.driver = {
.name = "db8500-prcmu-regulators",
.owner = THIS_MODULE,
+ .of_match_table = db8500_prcmu_regulator_match,
},
.probe = db8500_regulator_probe,
.remove = __exit_p(db8500_regulator_remove),
diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c
index 0ee00de4be72..86f655c7f7a1 100644
--- a/drivers/regulator/dummy.c
+++ b/drivers/regulator/dummy.c
@@ -39,10 +39,13 @@ static struct regulator_desc dummy_desc = {
static int __devinit dummy_regulator_probe(struct platform_device *pdev)
{
+ struct regulator_config config = { };
int ret;
- dummy_regulator_rdev = regulator_register(&dummy_desc, NULL,
- &dummy_initdata, NULL, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = &dummy_initdata;
+
+ dummy_regulator_rdev = regulator_register(&dummy_desc, &config);
if (IS_ERR(dummy_regulator_rdev)) {
ret = PTR_ERR(dummy_regulator_rdev);
pr_err("Failed to register regulator: %d\n", ret);
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 40f38030b394..f09fe7b20e82 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -25,7 +25,6 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/fixed.h>
#include <linux/gpio.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
@@ -91,6 +90,9 @@ of_get_fixed_voltage_config(struct device *dev)
if (of_find_property(np, "enable-active-high", NULL))
config->enable_high = true;
+ if (of_find_property(np, "gpio-open-drain", NULL))
+ config->gpio_is_open_drain = true;
+
return config;
}
@@ -105,10 +107,8 @@ static int fixed_voltage_enable(struct regulator_dev *dev)
{
struct fixed_voltage_data *data = rdev_get_drvdata(dev);
- if (gpio_is_valid(data->gpio)) {
- gpio_set_value_cansleep(data->gpio, data->enable_high);
- data->is_enabled = true;
- }
+ gpio_set_value_cansleep(data->gpio, data->enable_high);
+ data->is_enabled = true;
return 0;
}
@@ -117,10 +117,8 @@ static int fixed_voltage_disable(struct regulator_dev *dev)
{
struct fixed_voltage_data *data = rdev_get_drvdata(dev);
- if (gpio_is_valid(data->gpio)) {
- gpio_set_value_cansleep(data->gpio, !data->enable_high);
- data->is_enabled = false;
- }
+ gpio_set_value_cansleep(data->gpio, !data->enable_high);
+ data->is_enabled = false;
return 0;
}
@@ -153,7 +151,7 @@ static int fixed_voltage_list_voltage(struct regulator_dev *dev,
return data->microvolts;
}
-static struct regulator_ops fixed_voltage_ops = {
+static struct regulator_ops fixed_voltage_gpio_ops = {
.is_enabled = fixed_voltage_is_enabled,
.enable = fixed_voltage_enable,
.disable = fixed_voltage_disable,
@@ -162,10 +160,16 @@ static struct regulator_ops fixed_voltage_ops = {
.list_voltage = fixed_voltage_list_voltage,
};
+static struct regulator_ops fixed_voltage_ops = {
+ .get_voltage = fixed_voltage_get_voltage,
+ .list_voltage = fixed_voltage_list_voltage,
+};
+
static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
{
struct fixed_voltage_config *config;
struct fixed_voltage_data *drvdata;
+ struct regulator_config cfg = { };
int ret;
if (pdev->dev.of_node)
@@ -176,7 +180,8 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
if (!config)
return -ENOMEM;
- drvdata = kzalloc(sizeof(struct fixed_voltage_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(struct fixed_voltage_data),
+ GFP_KERNEL);
if (drvdata == NULL) {
dev_err(&pdev->dev, "Failed to allocate device data\n");
ret = -ENOMEM;
@@ -191,7 +196,6 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
}
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
- drvdata->desc.ops = &fixed_voltage_ops;
if (config->microvolts)
drvdata->desc.n_voltages = 1;
@@ -201,6 +205,7 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->startup_delay = config->startup_delay;
if (gpio_is_valid(config->gpio)) {
+ int gpio_flag;
drvdata->enable_high = config->enable_high;
/* FIXME: Remove below print warning
@@ -218,39 +223,39 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
dev_warn(&pdev->dev,
"using GPIO 0 for regulator enable control\n");
- ret = gpio_request(config->gpio, config->supply_name);
- if (ret) {
- dev_err(&pdev->dev,
- "Could not obtain regulator enable GPIO %d: %d\n",
- config->gpio, ret);
- goto err_name;
- }
-
- /* set output direction without changing state
+ /*
+ * set output direction without changing state
* to prevent glitch
*/
drvdata->is_enabled = config->enabled_at_boot;
ret = drvdata->is_enabled ?
config->enable_high : !config->enable_high;
+ gpio_flag = ret ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+
+ if (config->gpio_is_open_drain)
+ gpio_flag |= GPIOF_OPEN_DRAIN;
- ret = gpio_direction_output(config->gpio, ret);
+ ret = gpio_request_one(config->gpio, gpio_flag,
+ config->supply_name);
if (ret) {
dev_err(&pdev->dev,
- "Could not configure regulator enable GPIO %d direction: %d\n",
+ "Could not obtain regulator enable GPIO %d: %d\n",
config->gpio, ret);
- goto err_gpio;
+ goto err_name;
}
+ drvdata->desc.ops = &fixed_voltage_gpio_ops;
+
} else {
- /* Regulator without GPIO control is considered
- * always enabled
- */
- drvdata->is_enabled = true;
+ drvdata->desc.ops = &fixed_voltage_ops;
}
- drvdata->dev = regulator_register(&drvdata->desc, &pdev->dev,
- config->init_data, drvdata,
- pdev->dev.of_node);
+ cfg.dev = &pdev->dev;
+ cfg.init_data = config->init_data;
+ cfg.driver_data = drvdata;
+ cfg.of_node = pdev->dev.of_node;
+
+ drvdata->dev = regulator_register(&drvdata->desc, &cfg);
if (IS_ERR(drvdata->dev)) {
ret = PTR_ERR(drvdata->dev);
dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret);
@@ -270,7 +275,6 @@ err_gpio:
err_name:
kfree(drvdata->desc.name);
err:
- kfree(drvdata);
return ret;
}
@@ -282,7 +286,6 @@ static int __devexit reg_fixed_voltage_remove(struct platform_device *pdev)
if (gpio_is_valid(drvdata->gpio))
gpio_free(drvdata->gpio);
kfree(drvdata->desc.name);
- kfree(drvdata);
return 0;
}
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 42e1cb1835e5..9997d7aaca84 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -30,7 +30,6 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/gpio-regulator.h>
#include <linux/gpio.h>
-#include <linux/delay.h>
#include <linux/slab.h>
struct gpio_regulator_data {
@@ -105,15 +104,15 @@ static int gpio_regulator_set_value(struct regulator_dev *dev,
int min, int max)
{
struct gpio_regulator_data *data = rdev_get_drvdata(dev);
- int ptr, target, state;
+ int ptr, target, state, best_val = INT_MAX;
- target = -1;
for (ptr = 0; ptr < data->nr_states; ptr++)
- if (data->states[ptr].value >= min &&
+ if (data->states[ptr].value < best_val &&
+ data->states[ptr].value >= min &&
data->states[ptr].value <= max)
target = data->states[ptr].gpios;
- if (target < 0)
+ if (best_val == INT_MAX)
return -EINVAL;
for (ptr = 0; ptr < data->nr_gpios; ptr++) {
@@ -172,9 +171,11 @@ static int __devinit gpio_regulator_probe(struct platform_device *pdev)
{
struct gpio_regulator_config *config = pdev->dev.platform_data;
struct gpio_regulator_data *drvdata;
+ struct regulator_config cfg = { };
int ptr, ret, state;
- drvdata = kzalloc(sizeof(struct gpio_regulator_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(struct gpio_regulator_data),
+ GFP_KERNEL);
if (drvdata == NULL) {
dev_err(&pdev->dev, "Failed to allocate device data\n");
return -ENOMEM;
@@ -283,8 +284,11 @@ static int __devinit gpio_regulator_probe(struct platform_device *pdev)
}
drvdata->state = state;
- drvdata->dev = regulator_register(&drvdata->desc, &pdev->dev,
- config->init_data, drvdata, NULL);
+ cfg.dev = &pdev->dev;
+ cfg.init_data = config->init_data;
+ cfg.driver_data = &drvdata;
+
+ drvdata->dev = regulator_register(&drvdata->desc, &cfg);
if (IS_ERR(drvdata->dev)) {
ret = PTR_ERR(drvdata->dev);
dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret);
@@ -307,7 +311,6 @@ err_memgpio:
err_name:
kfree(drvdata->desc.name);
err:
- kfree(drvdata);
return ret;
}
@@ -326,7 +329,6 @@ static int __devexit gpio_regulator_remove(struct platform_device *pdev)
gpio_free(drvdata->enable_gpio);
kfree(drvdata->desc.name);
- kfree(drvdata);
return 0;
}
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
index 775f5fd208c3..56d273f25603 100644
--- a/drivers/regulator/isl6271a-regulator.c
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -22,7 +22,6 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/i2c.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#define ISL6271A_VOLTAGE_MIN 850000
@@ -36,47 +35,30 @@ struct isl_pmic {
struct mutex mtx;
};
-static int isl6271a_get_voltage(struct regulator_dev *dev)
+static int isl6271a_get_voltage_sel(struct regulator_dev *dev)
{
struct isl_pmic *pmic = rdev_get_drvdata(dev);
- int idx, data;
+ int idx;
mutex_lock(&pmic->mtx);
idx = i2c_smbus_read_byte(pmic->client);
- if (idx < 0) {
+ if (idx < 0)
dev_err(&pmic->client->dev, "Error getting voltage\n");
- data = idx;
- goto out;
- }
-
- /* Convert the data from chip to microvolts */
- data = ISL6271A_VOLTAGE_MIN + (ISL6271A_VOLTAGE_STEP * (idx & 0xf));
-out:
mutex_unlock(&pmic->mtx);
- return data;
+ return idx;
}
-static int isl6271a_set_voltage(struct regulator_dev *dev,
- int minuV, int maxuV,
- unsigned *selector)
+static int isl6271a_set_voltage_sel(struct regulator_dev *dev,
+ unsigned selector)
{
struct isl_pmic *pmic = rdev_get_drvdata(dev);
- int err, data;
-
- if (minuV < ISL6271A_VOLTAGE_MIN || minuV > ISL6271A_VOLTAGE_MAX)
- return -EINVAL;
- if (maxuV < ISL6271A_VOLTAGE_MIN || maxuV > ISL6271A_VOLTAGE_MAX)
- return -EINVAL;
-
- data = DIV_ROUND_UP(minuV - ISL6271A_VOLTAGE_MIN,
- ISL6271A_VOLTAGE_STEP);
- *selector = data;
+ int err;
mutex_lock(&pmic->mtx);
- err = i2c_smbus_write_byte(pmic->client, data);
+ err = i2c_smbus_write_byte(pmic->client, selector);
if (err < 0)
dev_err(&pmic->client->dev, "Error setting voltage\n");
@@ -84,15 +66,11 @@ static int isl6271a_set_voltage(struct regulator_dev *dev,
return err;
}
-static int isl6271a_list_voltage(struct regulator_dev *dev, unsigned selector)
-{
- return ISL6271A_VOLTAGE_MIN + (ISL6271A_VOLTAGE_STEP * selector);
-}
-
static struct regulator_ops isl_core_ops = {
- .get_voltage = isl6271a_get_voltage,
- .set_voltage = isl6271a_set_voltage,
- .list_voltage = isl6271a_list_voltage,
+ .get_voltage_sel = isl6271a_get_voltage_sel,
+ .set_voltage_sel = isl6271a_set_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
};
static int isl6271a_get_fixed_voltage(struct regulator_dev *dev)
@@ -112,7 +90,7 @@ static struct regulator_ops isl_fixed_ops = {
.list_voltage = isl6271a_list_fixed_voltage,
};
-static struct regulator_desc isl_rd[] = {
+static const struct regulator_desc isl_rd[] = {
{
.name = "Core Buck",
.id = 0,
@@ -120,6 +98,8 @@ static struct regulator_desc isl_rd[] = {
.ops = &isl_core_ops,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
+ .min_uV = ISL6271A_VOLTAGE_MIN,
+ .uV_step = ISL6271A_VOLTAGE_STEP,
}, {
.name = "LDO1",
.id = 1,
@@ -140,6 +120,7 @@ static struct regulator_desc isl_rd[] = {
static int __devinit isl6271a_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
+ struct regulator_config config = { };
struct regulator_init_data *init_data = i2c->dev.platform_data;
struct isl_pmic *pmic;
int err, i;
@@ -147,12 +128,7 @@ static int __devinit isl6271a_probe(struct i2c_client *i2c,
if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
- if (!init_data) {
- dev_err(&i2c->dev, "no platform data supplied\n");
- return -EIO;
- }
-
- pmic = kzalloc(sizeof(struct isl_pmic), GFP_KERNEL);
+ pmic = devm_kzalloc(&i2c->dev, sizeof(struct isl_pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@@ -161,8 +137,14 @@ static int __devinit isl6271a_probe(struct i2c_client *i2c,
mutex_init(&pmic->mtx);
for (i = 0; i < 3; i++) {
- pmic->rdev[i] = regulator_register(&isl_rd[i], &i2c->dev,
- init_data, pmic, NULL);
+ config.dev = &i2c->dev;
+ if (i == 0)
+ config.init_data = init_data;
+ else
+ config.init_data = 0;
+ config.driver_data = pmic;
+
+ pmic->rdev[i] = regulator_register(&isl_rd[i], &config);
if (IS_ERR(pmic->rdev[i])) {
dev_err(&i2c->dev, "failed to register %s\n", id->name);
err = PTR_ERR(pmic->rdev[i]);
@@ -177,8 +159,6 @@ static int __devinit isl6271a_probe(struct i2c_client *i2c,
error:
while (--i >= 0)
regulator_unregister(pmic->rdev[i]);
-
- kfree(pmic);
return err;
}
@@ -189,9 +169,6 @@ static int __devexit isl6271a_remove(struct i2c_client *i2c)
for (i = 0; i < 3; i++)
regulator_unregister(pmic->rdev[i]);
-
- kfree(pmic);
-
return 0;
}
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 0cfabd318a59..981bea9cb9d7 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -124,6 +124,10 @@ static const int *ldo_voltage_map[] = {
static int lp3971_ldo_list_voltage(struct regulator_dev *dev, unsigned index)
{
int ldo = rdev_get_id(dev) - LP3971_LDO1;
+
+ if (index > LDO_VOL_MAX_IDX)
+ return -EINVAL;
+
return 1000 * LDO_VOL_VALUE_MAP(ldo)[index];
}
@@ -168,32 +172,15 @@ static int lp3971_ldo_get_voltage(struct regulator_dev *dev)
return 1000 * LDO_VOL_VALUE_MAP(ldo)[val];
}
-static int lp3971_ldo_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV,
- unsigned int *selector)
+static int lp3971_ldo_set_voltage_sel(struct regulator_dev *dev,
+ unsigned int selector)
{
struct lp3971 *lp3971 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) - LP3971_LDO1;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
- const int *vol_map = LDO_VOL_VALUE_MAP(ldo);
- u16 val;
-
- if (min_vol < vol_map[LDO_VOL_MIN_IDX] ||
- min_vol > vol_map[LDO_VOL_MAX_IDX])
- return -EINVAL;
-
- for (val = LDO_VOL_MIN_IDX; val <= LDO_VOL_MAX_IDX; val++)
- if (vol_map[val] >= min_vol)
- break;
-
- if (val > LDO_VOL_MAX_IDX || vol_map[val] > max_vol)
- return -EINVAL;
-
- *selector = val;
return lp3971_set_bits(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo),
LDO_VOL_CONTR_MASK << LDO_VOL_CONTR_SHIFT(ldo),
- val << LDO_VOL_CONTR_SHIFT(ldo));
+ selector << LDO_VOL_CONTR_SHIFT(ldo));
}
static struct regulator_ops lp3971_ldo_ops = {
@@ -202,11 +189,14 @@ static struct regulator_ops lp3971_ldo_ops = {
.enable = lp3971_ldo_enable,
.disable = lp3971_ldo_disable,
.get_voltage = lp3971_ldo_get_voltage,
- .set_voltage = lp3971_ldo_set_voltage,
+ .set_voltage_sel = lp3971_ldo_set_voltage_sel,
};
static int lp3971_dcdc_list_voltage(struct regulator_dev *dev, unsigned index)
{
+ if (index < BUCK_TARGET_VOL_MIN_IDX || index > BUCK_TARGET_VOL_MAX_IDX)
+ return -EINVAL;
+
return 1000 * buck_voltage_map[index];
}
@@ -259,33 +249,15 @@ static int lp3971_dcdc_get_voltage(struct regulator_dev *dev)
return val;
}
-static int lp3971_dcdc_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV,
- unsigned int *selector)
+static int lp3971_dcdc_set_voltage_sel(struct regulator_dev *dev,
+ unsigned int selector)
{
struct lp3971 *lp3971 = rdev_get_drvdata(dev);
int buck = rdev_get_id(dev) - LP3971_DCDC1;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
- const int *vol_map = buck_voltage_map;
- u16 val;
int ret;
- if (min_vol < vol_map[BUCK_TARGET_VOL_MIN_IDX] ||
- min_vol > vol_map[BUCK_TARGET_VOL_MAX_IDX])
- return -EINVAL;
-
- for (val = BUCK_TARGET_VOL_MIN_IDX; val <= BUCK_TARGET_VOL_MAX_IDX;
- val++)
- if (vol_map[val] >= min_vol)
- break;
-
- if (val > BUCK_TARGET_VOL_MAX_IDX || vol_map[val] > max_vol)
- return -EINVAL;
-
- *selector = val;
-
ret = lp3971_set_bits(lp3971, LP3971_BUCK_TARGET_VOL1_REG(buck),
- BUCK_TARGET_VOL_MASK, val);
+ BUCK_TARGET_VOL_MASK, selector);
if (ret)
return ret;
@@ -306,10 +278,10 @@ static struct regulator_ops lp3971_dcdc_ops = {
.enable = lp3971_dcdc_enable,
.disable = lp3971_dcdc_disable,
.get_voltage = lp3971_dcdc_get_voltage,
- .set_voltage = lp3971_dcdc_set_voltage,
+ .set_voltage_sel = lp3971_dcdc_set_voltage_sel,
};
-static struct regulator_desc regulators[] = {
+static const struct regulator_desc regulators[] = {
{
.name = "LDO1",
.id = LP3971_LDO1,
@@ -449,10 +421,15 @@ static int __devinit setup_regulators(struct lp3971 *lp3971,
/* Instantiate the regulators */
for (i = 0; i < pdata->num_regulators; i++) {
+ struct regulator_config config = { };
struct lp3971_regulator_subdev *reg = &pdata->regulators[i];
- lp3971->rdev[i] = regulator_register(&regulators[reg->id],
- lp3971->dev, reg->initdata, lp3971, NULL);
+ config.dev = lp3971->dev;
+ config.init_data = reg->initdata;
+ config.driver_data = lp3971;
+
+ lp3971->rdev[i] = regulator_register(&regulators[reg->id],
+ &config);
if (IS_ERR(lp3971->rdev[i])) {
err = PTR_ERR(lp3971->rdev[i]);
dev_err(lp3971->dev, "regulator init failed: %d\n",
@@ -545,23 +522,7 @@ static struct i2c_driver lp3971_i2c_driver = {
.id_table = lp3971_i2c_id,
};
-static int __init lp3971_module_init(void)
-{
- int ret;
-
- ret = i2c_add_driver(&lp3971_i2c_driver);
- if (ret != 0)
- pr_err("Failed to register I2C driver: %d\n", ret);
-
- return ret;
-}
-module_init(lp3971_module_init);
-
-static void __exit lp3971_module_exit(void)
-{
- i2c_del_driver(&lp3971_i2c_driver);
-}
-module_exit(lp3971_module_exit);
+module_i2c_driver(lp3971_i2c_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Marek Szyprowski <m.szyprowski@samsung.com>");
diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c
index 49a15eefe5fe..de073df7d344 100644
--- a/drivers/regulator/lp3972.c
+++ b/drivers/regulator/lp3972.c
@@ -245,6 +245,11 @@ static int lp3972_set_bits(struct lp3972 *lp3972, u8 reg, u16 mask, u16 val)
static int lp3972_ldo_list_voltage(struct regulator_dev *dev, unsigned index)
{
int ldo = rdev_get_id(dev) - LP3972_LDO1;
+
+ if (index < LP3972_LDO_VOL_MIN_IDX(ldo) ||
+ index > LP3972_LDO_VOL_MAX_IDX(ldo))
+ return -EINVAL;
+
return 1000 * LP3972_LDO_VOL_VALUE_MAP(ldo)[index];
}
@@ -292,34 +297,16 @@ static int lp3972_ldo_get_voltage(struct regulator_dev *dev)
return 1000 * LP3972_LDO_VOL_VALUE_MAP(ldo)[val];
}
-static int lp3972_ldo_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV,
- unsigned int *selector)
+static int lp3972_ldo_set_voltage_sel(struct regulator_dev *dev,
+ unsigned int selector)
{
struct lp3972 *lp3972 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) - LP3972_LDO1;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
- const int *vol_map = LP3972_LDO_VOL_VALUE_MAP(ldo);
- u16 val;
int shift, ret;
- if (min_vol < vol_map[LP3972_LDO_VOL_MIN_IDX(ldo)] ||
- min_vol > vol_map[LP3972_LDO_VOL_MAX_IDX(ldo)])
- return -EINVAL;
-
- for (val = LP3972_LDO_VOL_MIN_IDX(ldo);
- val <= LP3972_LDO_VOL_MAX_IDX(ldo); val++)
- if (vol_map[val] >= min_vol)
- break;
-
- if (val > LP3972_LDO_VOL_MAX_IDX(ldo) || vol_map[val] > max_vol)
- return -EINVAL;
-
- *selector = val;
-
shift = LP3972_LDO_VOL_CONTR_SHIFT(ldo);
ret = lp3972_set_bits(lp3972, LP3972_LDO_VOL_CONTR_REG(ldo),
- LP3972_LDO_VOL_MASK(ldo) << shift, val << shift);
+ LP3972_LDO_VOL_MASK(ldo) << shift, selector << shift);
if (ret)
return ret;
@@ -355,12 +342,17 @@ static struct regulator_ops lp3972_ldo_ops = {
.enable = lp3972_ldo_enable,
.disable = lp3972_ldo_disable,
.get_voltage = lp3972_ldo_get_voltage,
- .set_voltage = lp3972_ldo_set_voltage,
+ .set_voltage_sel = lp3972_ldo_set_voltage_sel,
};
static int lp3972_dcdc_list_voltage(struct regulator_dev *dev, unsigned index)
{
int buck = rdev_get_id(dev) - LP3972_DCDC1;
+
+ if (index < LP3972_BUCK_VOL_MIN_IDX(buck) ||
+ index > LP3972_BUCK_VOL_MAX_IDX(buck))
+ return -EINVAL;
+
return 1000 * buck_voltage_map[buck][index];
}
@@ -419,34 +411,15 @@ static int lp3972_dcdc_get_voltage(struct regulator_dev *dev)
return val;
}
-static int lp3972_dcdc_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV,
- unsigned int *selector)
+static int lp3972_dcdc_set_voltage_sel(struct regulator_dev *dev,
+ unsigned int selector)
{
struct lp3972 *lp3972 = rdev_get_drvdata(dev);
int buck = rdev_get_id(dev) - LP3972_DCDC1;
- int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
- const int *vol_map = buck_voltage_map[buck];
- u16 val;
int ret;
- if (min_vol < vol_map[LP3972_BUCK_VOL_MIN_IDX(buck)] ||
- min_vol > vol_map[LP3972_BUCK_VOL_MAX_IDX(buck)])
- return -EINVAL;
-
- for (val = LP3972_BUCK_VOL_MIN_IDX(buck);
- val <= LP3972_BUCK_VOL_MAX_IDX(buck); val++)
- if (vol_map[val] >= min_vol)
- break;
-
- if (val > LP3972_BUCK_VOL_MAX_IDX(buck) ||
- vol_map[val] > max_vol)
- return -EINVAL;
-
- *selector = val;
-
ret = lp3972_set_bits(lp3972, LP3972_BUCK_VOL1_REG(buck),
- LP3972_BUCK_VOL_MASK, val);
+ LP3972_BUCK_VOL_MASK, selector);
if (ret)
return ret;
@@ -468,10 +441,10 @@ static struct regulator_ops lp3972_dcdc_ops = {
.enable = lp3972_dcdc_enable,
.disable = lp3972_dcdc_disable,
.get_voltage = lp3972_dcdc_get_voltage,
- .set_voltage = lp3972_dcdc_set_voltage,
+ .set_voltage_sel = lp3972_dcdc_set_voltage_sel,
};
-static struct regulator_desc regulators[] = {
+static const struct regulator_desc regulators[] = {
{
.name = "LDO1",
.id = LP3972_LDO1,
@@ -554,9 +527,14 @@ static int __devinit setup_regulators(struct lp3972 *lp3972,
/* Instantiate the regulators */
for (i = 0; i < pdata->num_regulators; i++) {
struct lp3972_regulator_subdev *reg = &pdata->regulators[i];
- lp3972->rdev[i] = regulator_register(&regulators[reg->id],
- lp3972->dev, reg->initdata, lp3972, NULL);
+ struct regulator_config config = { };
+ config.dev = lp3972->dev;
+ config.init_data = reg->initdata;
+ config.driver_data = lp3972;
+
+ lp3972->rdev[i] = regulator_register(&regulators[reg->id],
+ &config);
if (IS_ERR(lp3972->rdev[i])) {
err = PTR_ERR(lp3972->rdev[i]);
dev_err(lp3972->dev, "regulator init failed: %d\n",
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 282d2ee0604e..b9444ee08da9 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -161,7 +161,7 @@ static struct regulator_ops max1586_v6_ops = {
.list_voltage = max1586_v6_list,
};
-static struct regulator_desc max1586_reg[] = {
+static const struct regulator_desc max1586_reg[] = {
{
.name = "Output_V3",
.id = MAX1586_V3,
@@ -185,21 +185,21 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
{
struct regulator_dev **rdev;
struct max1586_platform_data *pdata = client->dev.platform_data;
+ struct regulator_config config = { };
struct max1586_data *max1586;
int i, id, ret = -ENOMEM;
- max1586 = kzalloc(sizeof(struct max1586_data) +
+ max1586 = devm_kzalloc(&client->dev, sizeof(struct max1586_data) +
sizeof(struct regulator_dev *) * (MAX1586_V6 + 1),
GFP_KERNEL);
if (!max1586)
- goto out;
+ return -ENOMEM;
max1586->client = client;
- if (!pdata->v3_gain) {
- ret = -EINVAL;
- goto out_unmap;
- }
+ if (!pdata->v3_gain)
+ return -EINVAL;
+
max1586->min_uV = MAX1586_V3_MIN_UV / 1000 * pdata->v3_gain / 1000;
max1586->max_uV = MAX1586_V3_MAX_UV / 1000 * pdata->v3_gain / 1000;
@@ -212,9 +212,12 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
dev_err(&client->dev, "invalid regulator id %d\n", id);
goto err;
}
- rdev[i] = regulator_register(&max1586_reg[id], &client->dev,
- pdata->subdevs[i].platform_data,
- max1586, NULL);
+
+ config.dev = &client->dev;
+ config.init_data = pdata->subdevs[i].platform_data;
+ config.driver_data = max1586;
+
+ rdev[i] = regulator_register(&max1586_reg[id], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(&client->dev, "failed to register %s\n",
@@ -230,9 +233,6 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
err:
while (--i >= 0)
regulator_unregister(rdev[i]);
-out_unmap:
- kfree(max1586);
-out:
return ret;
}
@@ -244,8 +244,6 @@ static int __devexit max1586_pmic_remove(struct i2c_client *client)
for (i = 0; i <= MAX1586_V6; i++)
if (max1586->rdev[i])
regulator_unregister(max1586->rdev[i]);
- kfree(max1586);
-
return 0;
}
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 824c650436ed..1f4bb80457b3 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -53,7 +53,6 @@ struct max8649_regulator_info {
struct device *dev;
struct regmap *regmap;
- int vol_reg;
unsigned mode:2; /* bit[1:0] = VID1, VID0 */
unsigned extclk_freq:2;
unsigned extclk:1;
@@ -61,53 +60,6 @@ struct max8649_regulator_info {
unsigned ramp_down:1;
};
-/* I2C operations */
-
-static inline int check_range(int min_uV, int max_uV)
-{
- if ((min_uV < MAX8649_DCDC_VMIN) || (max_uV > MAX8649_DCDC_VMAX)
- || (min_uV > max_uV))
- return -EINVAL;
- return 0;
-}
-
-static int max8649_list_voltage(struct regulator_dev *rdev, unsigned index)
-{
- return (MAX8649_DCDC_VMIN + index * MAX8649_DCDC_STEP);
-}
-
-static int max8649_get_voltage(struct regulator_dev *rdev)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- unsigned int val;
- unsigned char data;
- int ret;
-
- ret = regmap_read(info->regmap, info->vol_reg, &val);
- if (ret != 0)
- return ret;
- data = (unsigned char)val & MAX8649_VOL_MASK;
- return max8649_list_voltage(rdev, data);
-}
-
-static int max8649_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
- unsigned char data, mask;
-
- if (check_range(min_uV, max_uV)) {
- dev_err(info->dev, "invalid voltage range (%d, %d) uV\n",
- min_uV, max_uV);
- return -EINVAL;
- }
- data = DIV_ROUND_UP(min_uV - MAX8649_DCDC_VMIN, MAX8649_DCDC_STEP);
- mask = MAX8649_VOL_MASK;
- *selector = data & mask;
-
- return regmap_update_bits(info->regmap, info->vol_reg, mask, data);
-}
-
/* EN_PD means pulldown on EN input */
static int max8649_enable(struct regulator_dev *rdev)
{
@@ -145,11 +97,11 @@ static int max8649_enable_time(struct regulator_dev *rdev)
unsigned int val;
/* get voltage */
- ret = regmap_read(info->regmap, info->vol_reg, &val);
+ ret = regmap_read(info->regmap, rdev->desc->vsel_reg, &val);
if (ret != 0)
return ret;
val &= MAX8649_VOL_MASK;
- voltage = max8649_list_voltage(rdev, (unsigned char)val); /* uV */
+ voltage = regulator_list_voltage_linear(rdev, (unsigned char)val);
/* get rate */
ret = regmap_read(info->regmap, MAX8649_RAMP, &val);
@@ -167,11 +119,11 @@ static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)
switch (mode) {
case REGULATOR_MODE_FAST:
- regmap_update_bits(info->regmap, info->vol_reg, MAX8649_FORCE_PWM,
- MAX8649_FORCE_PWM);
+ regmap_update_bits(info->regmap, rdev->desc->vsel_reg,
+ MAX8649_FORCE_PWM, MAX8649_FORCE_PWM);
break;
case REGULATOR_MODE_NORMAL:
- regmap_update_bits(info->regmap, info->vol_reg,
+ regmap_update_bits(info->regmap, rdev->desc->vsel_reg,
MAX8649_FORCE_PWM, 0);
break;
default:
@@ -186,7 +138,7 @@ static unsigned int max8649_get_mode(struct regulator_dev *rdev)
unsigned int val;
int ret;
- ret = regmap_read(info->regmap, info->vol_reg, &val);
+ ret = regmap_read(info->regmap, rdev->desc->vsel_reg, &val);
if (ret != 0)
return ret;
if (val & MAX8649_FORCE_PWM)
@@ -195,9 +147,10 @@ static unsigned int max8649_get_mode(struct regulator_dev *rdev)
}
static struct regulator_ops max8649_dcdc_ops = {
- .set_voltage = max8649_set_voltage,
- .get_voltage = max8649_get_voltage,
- .list_voltage = max8649_list_voltage,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
.enable = max8649_enable,
.disable = max8649_disable,
.is_enabled = max8649_is_enabled,
@@ -213,6 +166,9 @@ static struct regulator_desc dcdc_desc = {
.type = REGULATOR_VOLTAGE,
.n_voltages = 1 << 6,
.owner = THIS_MODULE,
+ .vsel_mask = MAX8649_VOL_MASK,
+ .min_uV = MAX8649_DCDC_VMIN,
+ .uV_step = MAX8649_DCDC_STEP,
};
static struct regmap_config max8649_regmap_config = {
@@ -225,21 +181,23 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
{
struct max8649_platform_data *pdata = client->dev.platform_data;
struct max8649_regulator_info *info = NULL;
+ struct regulator_config config = { };
unsigned int val;
unsigned char data;
int ret;
- info = kzalloc(sizeof(struct max8649_regulator_info), GFP_KERNEL);
+ info = devm_kzalloc(&client->dev, sizeof(struct max8649_regulator_info),
+ GFP_KERNEL);
if (!info) {
dev_err(&client->dev, "No enough memory\n");
return -ENOMEM;
}
- info->regmap = regmap_init_i2c(client, &max8649_regmap_config);
+ info->regmap = devm_regmap_init_i2c(client, &max8649_regmap_config);
if (IS_ERR(info->regmap)) {
ret = PTR_ERR(info->regmap);
dev_err(&client->dev, "Failed to allocate register map: %d\n", ret);
- goto fail;
+ return ret;
}
info->dev = &client->dev;
@@ -248,16 +206,16 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
info->mode = pdata->mode;
switch (info->mode) {
case 0:
- info->vol_reg = MAX8649_MODE0;
+ dcdc_desc.vsel_reg = MAX8649_MODE0;
break;
case 1:
- info->vol_reg = MAX8649_MODE1;
+ dcdc_desc.vsel_reg = MAX8649_MODE1;
break;
case 2:
- info->vol_reg = MAX8649_MODE2;
+ dcdc_desc.vsel_reg = MAX8649_MODE2;
break;
case 3:
- info->vol_reg = MAX8649_MODE3;
+ dcdc_desc.vsel_reg = MAX8649_MODE3;
break;
default:
break;
@@ -267,7 +225,7 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
if (ret != 0) {
dev_err(info->dev, "Failed to detect ID of MAX8649:%d\n",
ret);
- goto out;
+ return ret;
}
dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", val);
@@ -277,7 +235,8 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
/* enable/disable external clock synchronization */
info->extclk = pdata->extclk;
data = (info->extclk) ? MAX8649_SYNC_EXTCLK : 0;
- regmap_update_bits(info->regmap, info->vol_reg, MAX8649_SYNC_EXTCLK, data);
+ regmap_update_bits(info->regmap, dcdc_desc.vsel_reg,
+ MAX8649_SYNC_EXTCLK, data);
if (info->extclk) {
/* set external clock frequency */
info->extclk_freq = pdata->extclk_freq;
@@ -297,22 +256,18 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
MAX8649_RAMP_DOWN);
}
- info->regulator = regulator_register(&dcdc_desc, &client->dev,
- pdata->regulator, info, NULL);
+ config.dev = &client->dev;
+ config.init_data = pdata->regulator;
+ config.driver_data = info;
+
+ info->regulator = regulator_register(&dcdc_desc, &config);
if (IS_ERR(info->regulator)) {
dev_err(info->dev, "failed to register regulator %s\n",
dcdc_desc.name);
- ret = PTR_ERR(info->regulator);
- goto out;
+ return PTR_ERR(info->regulator);
}
- dev_info(info->dev, "Max8649 regulator device is detected.\n");
return 0;
-out:
- regmap_exit(info->regmap);
-fail:
- kfree(info);
- return ret;
}
static int __devexit max8649_regulator_remove(struct i2c_client *client)
@@ -322,8 +277,6 @@ static int __devexit max8649_regulator_remove(struct i2c_client *client)
if (info) {
if (info->regulator)
regulator_unregister(info->regulator);
- regmap_exit(info->regmap);
- kfree(info);
}
return 0;
@@ -360,4 +313,3 @@ module_exit(max8649_exit);
MODULE_DESCRIPTION("MAXIM 8649 voltage regulator driver");
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
MODULE_LICENSE("GPL");
-
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 4c5b05311f47..8d531742f593 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -126,42 +126,22 @@ static int max8660_dcdc_disable(struct regulator_dev *rdev)
return max8660_write(max8660, MAX8660_OVER1, mask, 0);
}
-static int max8660_dcdc_list(struct regulator_dev *rdev, unsigned selector)
-{
- if (selector > MAX8660_DCDC_MAX_SEL)
- return -EINVAL;
- return MAX8660_DCDC_MIN_UV + selector * MAX8660_DCDC_STEP;
-}
-
-static int max8660_dcdc_get(struct regulator_dev *rdev)
+static int max8660_dcdc_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
+
u8 reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2;
u8 selector = max8660->shadow_regs[reg];
- return MAX8660_DCDC_MIN_UV + selector * MAX8660_DCDC_STEP;
+ return selector;
}
-static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned int *s)
+static int max8660_dcdc_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
- u8 reg, selector, bits;
+ u8 reg, bits;
int ret;
- if (min_uV < MAX8660_DCDC_MIN_UV || min_uV > MAX8660_DCDC_MAX_UV)
- return -EINVAL;
- if (max_uV < MAX8660_DCDC_MIN_UV || max_uV > MAX8660_DCDC_MAX_UV)
- return -EINVAL;
-
- selector = DIV_ROUND_UP(min_uV - MAX8660_DCDC_MIN_UV,
- MAX8660_DCDC_STEP);
-
- ret = max8660_dcdc_list(rdev, selector);
- if (ret < 0 || ret > max_uV)
- return -EINVAL;
-
- *s = selector;
-
reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2;
ret = max8660_write(max8660, reg, 0, selector);
if (ret)
@@ -174,9 +154,10 @@ static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV,
static struct regulator_ops max8660_dcdc_ops = {
.is_enabled = max8660_dcdc_is_enabled,
- .list_voltage = max8660_dcdc_list,
- .set_voltage = max8660_dcdc_set,
- .get_voltage = max8660_dcdc_get,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .set_voltage_sel = max8660_dcdc_set_voltage_sel,
+ .get_voltage_sel = max8660_dcdc_get_voltage_sel,
};
@@ -184,42 +165,20 @@ static struct regulator_ops max8660_dcdc_ops = {
* LDO5 functions
*/
-static int max8660_ldo5_list(struct regulator_dev *rdev, unsigned selector)
-{
- if (selector > MAX8660_LDO5_MAX_SEL)
- return -EINVAL;
- return MAX8660_LDO5_MIN_UV + selector * MAX8660_LDO5_STEP;
-}
-
-static int max8660_ldo5_get(struct regulator_dev *rdev)
+static int max8660_ldo5_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
- u8 selector = max8660->shadow_regs[MAX8660_MDTV2];
- return MAX8660_LDO5_MIN_UV + selector * MAX8660_LDO5_STEP;
+ u8 selector = max8660->shadow_regs[MAX8660_MDTV2];
+ return selector;
}
-static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned int *s)
+static int max8660_ldo5_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
- u8 selector;
int ret;
- if (min_uV < MAX8660_LDO5_MIN_UV || min_uV > MAX8660_LDO5_MAX_UV)
- return -EINVAL;
- if (max_uV < MAX8660_LDO5_MIN_UV || max_uV > MAX8660_LDO5_MAX_UV)
- return -EINVAL;
-
- selector = DIV_ROUND_UP(min_uV - MAX8660_LDO5_MIN_UV,
- MAX8660_LDO5_STEP);
-
- ret = max8660_ldo5_list(rdev, selector);
- if (ret < 0 || ret > max_uV)
- return -EINVAL;
-
- *s = selector;
-
ret = max8660_write(max8660, MAX8660_MDTV2, 0, selector);
if (ret)
return ret;
@@ -229,9 +188,10 @@ static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV,
}
static struct regulator_ops max8660_ldo5_ops = {
- .list_voltage = max8660_ldo5_list,
- .set_voltage = max8660_ldo5_set,
- .get_voltage = max8660_ldo5_get,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .set_voltage_sel = max8660_ldo5_set_voltage_sel,
+ .get_voltage_sel = max8660_ldo5_get_voltage_sel,
};
@@ -261,59 +221,38 @@ static int max8660_ldo67_disable(struct regulator_dev *rdev)
return max8660_write(max8660, MAX8660_OVER2, mask, 0);
}
-static int max8660_ldo67_list(struct regulator_dev *rdev, unsigned selector)
-{
- if (selector > MAX8660_LDO67_MAX_SEL)
- return -EINVAL;
- return MAX8660_LDO67_MIN_UV + selector * MAX8660_LDO67_STEP;
-}
-
-static int max8660_ldo67_get(struct regulator_dev *rdev)
+static int max8660_ldo67_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
+
u8 shift = (rdev_get_id(rdev) == MAX8660_V6) ? 0 : 4;
u8 selector = (max8660->shadow_regs[MAX8660_L12VCR] >> shift) & 0xf;
-
- return MAX8660_LDO67_MIN_UV + selector * MAX8660_LDO67_STEP;
+ return selector;
}
-static int max8660_ldo67_set(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned int *s)
+static int max8660_ldo67_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct max8660 *max8660 = rdev_get_drvdata(rdev);
- u8 selector;
- int ret;
-
- if (min_uV < MAX8660_LDO67_MIN_UV || min_uV > MAX8660_LDO67_MAX_UV)
- return -EINVAL;
- if (max_uV < MAX8660_LDO67_MIN_UV || max_uV > MAX8660_LDO67_MAX_UV)
- return -EINVAL;
-
- selector = DIV_ROUND_UP(min_uV - MAX8660_LDO67_MIN_UV,
- MAX8660_LDO67_STEP);
-
- ret = max8660_ldo67_list(rdev, selector);
- if (ret < 0 || ret > max_uV)
- return -EINVAL;
-
- *s = selector;
if (rdev_get_id(rdev) == MAX8660_V6)
return max8660_write(max8660, MAX8660_L12VCR, 0xf0, selector);
else
- return max8660_write(max8660, MAX8660_L12VCR, 0x0f, selector << 4);
+ return max8660_write(max8660, MAX8660_L12VCR, 0x0f,
+ selector << 4);
}
static struct regulator_ops max8660_ldo67_ops = {
.is_enabled = max8660_ldo67_is_enabled,
.enable = max8660_ldo67_enable,
.disable = max8660_ldo67_disable,
- .list_voltage = max8660_ldo67_list,
- .get_voltage = max8660_ldo67_get,
- .set_voltage = max8660_ldo67_set,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = max8660_ldo67_get_voltage_sel,
+ .set_voltage_sel = max8660_ldo67_set_voltage_sel,
};
-static struct regulator_desc max8660_reg[] = {
+static const struct regulator_desc max8660_reg[] = {
{
.name = "V3(DCDC)",
.id = MAX8660_V3,
@@ -321,6 +260,8 @@ static struct regulator_desc max8660_reg[] = {
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX8660_DCDC_MAX_SEL + 1,
.owner = THIS_MODULE,
+ .min_uV = MAX8660_DCDC_MIN_UV,
+ .uV_step = MAX8660_DCDC_STEP,
},
{
.name = "V4(DCDC)",
@@ -329,6 +270,8 @@ static struct regulator_desc max8660_reg[] = {
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX8660_DCDC_MAX_SEL + 1,
.owner = THIS_MODULE,
+ .min_uV = MAX8660_DCDC_MIN_UV,
+ .uV_step = MAX8660_DCDC_STEP,
},
{
.name = "V5(LDO)",
@@ -337,6 +280,8 @@ static struct regulator_desc max8660_reg[] = {
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX8660_LDO5_MAX_SEL + 1,
.owner = THIS_MODULE,
+ .min_uV = MAX8660_LDO5_MIN_UV,
+ .uV_step = MAX8660_LDO5_STEP,
},
{
.name = "V6(LDO)",
@@ -345,6 +290,8 @@ static struct regulator_desc max8660_reg[] = {
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX8660_LDO67_MAX_SEL + 1,
.owner = THIS_MODULE,
+ .min_uV = MAX8660_LDO67_MIN_UV,
+ .uV_step = MAX8660_LDO67_STEP,
},
{
.name = "V7(LDO)",
@@ -353,6 +300,8 @@ static struct regulator_desc max8660_reg[] = {
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX8660_LDO67_MAX_SEL + 1,
.owner = THIS_MODULE,
+ .min_uV = MAX8660_LDO67_MIN_UV,
+ .uV_step = MAX8660_LDO67_STEP,
},
};
@@ -361,21 +310,20 @@ static int __devinit max8660_probe(struct i2c_client *client,
{
struct regulator_dev **rdev;
struct max8660_platform_data *pdata = client->dev.platform_data;
+ struct regulator_config config = { };
struct max8660 *max8660;
int boot_on, i, id, ret = -EINVAL;
if (pdata->num_subdevs > MAX8660_V_END) {
dev_err(&client->dev, "Too many regulators found!\n");
- goto out;
+ return -EINVAL;
}
- max8660 = kzalloc(sizeof(struct max8660) +
+ max8660 = devm_kzalloc(&client->dev, sizeof(struct max8660) +
sizeof(struct regulator_dev *) * MAX8660_V_END,
GFP_KERNEL);
- if (!max8660) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!max8660)
+ return -ENOMEM;
max8660->client = client;
rdev = max8660->rdev;
@@ -404,7 +352,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
for (i = 0; i < pdata->num_subdevs; i++) {
if (!pdata->subdevs[i].platform_data)
- goto err_free;
+ goto err_out;
boot_on = pdata->subdevs[i].platform_data->constraints.boot_on;
@@ -430,7 +378,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
case MAX8660_V7:
if (!strcmp(i2c_id->name, "max8661")) {
dev_err(&client->dev, "Regulator not on this chip!\n");
- goto err_free;
+ goto err_out;
}
if (boot_on)
@@ -440,7 +388,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
default:
dev_err(&client->dev, "invalid regulator %s\n",
pdata->subdevs[i].name);
- goto err_free;
+ goto err_out;
}
}
@@ -449,9 +397,11 @@ static int __devinit max8660_probe(struct i2c_client *client,
id = pdata->subdevs[i].id;
- rdev[i] = regulator_register(&max8660_reg[id], &client->dev,
- pdata->subdevs[i].platform_data,
- max8660, NULL);
+ config.dev = &client->dev;
+ config.init_data = pdata->subdevs[i].platform_data;
+ config.driver_data = max8660;
+
+ rdev[i] = regulator_register(&max8660_reg[id], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(&client->dev, "failed to register %s\n",
@@ -461,15 +411,12 @@ static int __devinit max8660_probe(struct i2c_client *client,
}
i2c_set_clientdata(client, max8660);
- dev_info(&client->dev, "Maxim 8660/8661 regulator driver loaded\n");
return 0;
err_unregister:
while (--i >= 0)
regulator_unregister(rdev[i]);
-err_free:
- kfree(max8660);
-out:
+err_out:
return ret;
}
@@ -481,8 +428,6 @@ static int __devexit max8660_remove(struct i2c_client *client)
for (i = 0; i < MAX8660_V_END; i++)
if (max8660->rdev[i])
regulator_unregister(max8660->rdev[i]);
- kfree(max8660);
-
return 0;
}
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index 2f242f43096e..43dc97ec3932 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -38,50 +38,20 @@ struct max8925_regulator_info {
struct i2c_client *i2c;
struct max8925_chip *chip;
- int min_uV;
- int max_uV;
- int step_uV;
int vol_reg;
- int vol_shift;
- int vol_nbits;
int enable_reg;
};
-static inline int check_range(struct max8925_regulator_info *info,
- int min_uV, int max_uV)
-{
- if (min_uV < info->min_uV || min_uV > info->max_uV)
- return -EINVAL;
-
- return 0;
-}
-
-static int max8925_list_voltage(struct regulator_dev *rdev, unsigned index)
-{
- struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
- return info->min_uV + index * info->step_uV;
-}
-
-static int max8925_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned int *selector)
+static int max8925_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
{
struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
- unsigned char data, mask;
-
- if (check_range(info, min_uV, max_uV)) {
- dev_err(info->chip->dev, "invalid voltage range (%d, %d) uV\n",
- min_uV, max_uV);
- return -EINVAL;
- }
- data = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
- *selector = data;
- data <<= info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+ unsigned char mask = rdev->desc->n_voltages - 1;
- return max8925_set_bits(info->i2c, info->vol_reg, mask, data);
+ return max8925_set_bits(info->i2c, info->vol_reg, mask, selector);
}
-static int max8925_get_voltage(struct regulator_dev *rdev)
+static int max8925_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
unsigned char data, mask;
@@ -90,10 +60,10 @@ static int max8925_get_voltage(struct regulator_dev *rdev)
ret = max8925_reg_read(info->i2c, info->vol_reg);
if (ret < 0)
return ret;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- data = (ret & mask) >> info->vol_shift;
+ mask = rdev->desc->n_voltages - 1;
+ data = ret & mask;
- return max8925_list_voltage(rdev, data);
+ return data;
}
static int max8925_enable(struct regulator_dev *rdev)
@@ -163,8 +133,10 @@ static int max8925_set_dvm_disable(struct regulator_dev *rdev)
}
static struct regulator_ops max8925_regulator_sdv_ops = {
- .set_voltage = max8925_set_voltage,
- .get_voltage = max8925_get_voltage,
+ .map_voltage = regulator_map_voltage_linear,
+ .list_voltage = regulator_list_voltage_linear,
+ .set_voltage_sel = max8925_set_voltage_sel,
+ .get_voltage_sel = max8925_get_voltage_sel,
.enable = max8925_enable,
.disable = max8925_disable,
.is_enabled = max8925_is_enabled,
@@ -174,8 +146,10 @@ static struct regulator_ops max8925_regulator_sdv_ops = {
};
static struct regulator_ops max8925_regulator_ldo_ops = {
- .set_voltage = max8925_set_voltage,
- .get_voltage = max8925_get_voltage,
+ .map_voltage = regulator_map_voltage_linear,
+ .list_voltage = regulator_list_voltage_linear,
+ .set_voltage_sel = max8925_set_voltage_sel,
+ .get_voltage_sel = max8925_get_voltage_sel,
.enable = max8925_enable,
.disable = max8925_disable,
.is_enabled = max8925_is_enabled,
@@ -189,13 +163,11 @@ static struct regulator_ops max8925_regulator_ldo_ops = {
.type = REGULATOR_VOLTAGE, \
.id = MAX8925_ID_SD##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = 64, \
+ .min_uV = min * 1000, \
+ .uV_step = step * 1000, \
}, \
- .min_uV = min * 1000, \
- .max_uV = max * 1000, \
- .step_uV = step * 1000, \
.vol_reg = MAX8925_SDV##_id, \
- .vol_shift = 0, \
- .vol_nbits = 6, \
.enable_reg = MAX8925_SDCTL##_id, \
}
@@ -207,13 +179,11 @@ static struct regulator_ops max8925_regulator_ldo_ops = {
.type = REGULATOR_VOLTAGE, \
.id = MAX8925_ID_LDO##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = 64, \
+ .min_uV = min * 1000, \
+ .uV_step = step * 1000, \
}, \
- .min_uV = min * 1000, \
- .max_uV = max * 1000, \
- .step_uV = step * 1000, \
.vol_reg = MAX8925_LDOVOUT##_id, \
- .vol_shift = 0, \
- .vol_nbits = 6, \
.enable_reg = MAX8925_LDOCTL##_id, \
}
@@ -261,6 +231,7 @@ static int __devinit max8925_regulator_probe(struct platform_device *pdev)
{
struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct max8925_platform_data *pdata = chip->dev->platform_data;
+ struct regulator_config config = { };
struct max8925_regulator_info *ri;
struct regulator_dev *rdev;
@@ -272,8 +243,11 @@ static int __devinit max8925_regulator_probe(struct platform_device *pdev)
ri->i2c = chip->i2c;
ri->chip = chip;
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdata->regulator[pdev->id], ri, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = pdata->regulator[pdev->id];
+ config.driver_data = ri;
+
+ rdev = regulator_register(&ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);
@@ -319,4 +293,3 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
MODULE_DESCRIPTION("Regulator Driver for Maxim 8925 PMIC");
MODULE_ALIAS("platform:max8925-regulator");
-
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index 75d89400c123..910c9b26d499 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -69,11 +69,6 @@ static int max8952_write_reg(struct max8952_data *max8952,
return i2c_smbus_write_byte_data(max8952->client, reg, value);
}
-static int max8952_voltage(struct max8952_data *max8952, u8 mode)
-{
- return (max8952->pdata->dvs_mode[mode] * 10 + 770) * 1000;
-}
-
static int max8952_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
@@ -82,7 +77,7 @@ static int max8952_list_voltage(struct regulator_dev *rdev,
if (rdev_get_id(rdev) != 0)
return -EINVAL;
- return max8952_voltage(max8952, selector);
+ return (max8952->pdata->dvs_mode[selector] * 10 + 770) * 1000;
}
static int max8952_is_enabled(struct regulator_dev *rdev)
@@ -117,7 +112,7 @@ static int max8952_disable(struct regulator_dev *rdev)
return 0;
}
-static int max8952_get_voltage(struct regulator_dev *rdev)
+static int max8952_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8952_data *max8952 = rdev_get_drvdata(rdev);
u8 vid = 0;
@@ -127,14 +122,13 @@ static int max8952_get_voltage(struct regulator_dev *rdev)
if (max8952->vid1)
vid += 2;
- return max8952_voltage(max8952, vid);
+ return vid;
}
-static int max8952_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int max8952_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct max8952_data *max8952 = rdev_get_drvdata(rdev);
- s8 vid = -1, i;
if (!gpio_is_valid(max8952->pdata->gpio_vid0) ||
!gpio_is_valid(max8952->pdata->gpio_vid1)) {
@@ -142,23 +136,10 @@ static int max8952_set_voltage(struct regulator_dev *rdev,
return -EPERM;
}
- for (i = 0; i < MAX8952_NUM_DVS_MODE; i++) {
- int volt = max8952_voltage(max8952, i);
-
- /* Set the voltage as low as possible within the range */
- if (volt <= max_uV && volt >= min_uV)
- if (vid == -1 || max8952_voltage(max8952, vid) > volt)
- vid = i;
- }
-
- if (vid >= 0 && vid < MAX8952_NUM_DVS_MODE) {
- max8952->vid0 = (vid % 2 == 1);
- max8952->vid1 = (((vid >> 1) % 2) == 1);
- *selector = vid;
- gpio_set_value(max8952->pdata->gpio_vid0, max8952->vid0);
- gpio_set_value(max8952->pdata->gpio_vid1, max8952->vid1);
- } else
- return -EINVAL;
+ max8952->vid0 = selector & 0x1;
+ max8952->vid1 = (selector >> 1) & 0x1;
+ gpio_set_value(max8952->pdata->gpio_vid0, max8952->vid0);
+ gpio_set_value(max8952->pdata->gpio_vid1, max8952->vid1);
return 0;
}
@@ -168,12 +149,12 @@ static struct regulator_ops max8952_ops = {
.is_enabled = max8952_is_enabled,
.enable = max8952_enable,
.disable = max8952_disable,
- .get_voltage = max8952_get_voltage,
- .set_voltage = max8952_set_voltage,
+ .get_voltage_sel = max8952_get_voltage_sel,
+ .set_voltage_sel = max8952_set_voltage_sel,
.set_suspend_disable = max8952_disable,
};
-static struct regulator_desc regulator = {
+static const struct regulator_desc regulator = {
.name = "MAX8952_VOUT",
.id = 0,
.n_voltages = MAX8952_NUM_DVS_MODE,
@@ -187,6 +168,7 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct max8952_platform_data *pdata = client->dev.platform_data;
+ struct regulator_config config = { };
struct max8952_data *max8952;
int ret = 0, err = 0;
@@ -199,7 +181,8 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
return -EIO;
- max8952 = kzalloc(sizeof(struct max8952_data), GFP_KERNEL);
+ max8952 = devm_kzalloc(&client->dev, sizeof(struct max8952_data),
+ GFP_KERNEL);
if (!max8952)
return -ENOMEM;
@@ -207,18 +190,21 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
max8952->dev = &client->dev;
max8952->pdata = pdata;
- max8952->rdev = regulator_register(&regulator, max8952->dev,
- &pdata->reg_data, max8952, NULL);
+ config.dev = max8952->dev;
+ config.init_data = &pdata->reg_data;
+ config.driver_data = max8952;
+
+ max8952->rdev = regulator_register(&regulator, &config);
if (IS_ERR(max8952->rdev)) {
ret = PTR_ERR(max8952->rdev);
dev_err(max8952->dev, "regulator init failed (%d)\n", ret);
- goto err_reg;
+ return ret;
}
max8952->en = !!(pdata->reg_data.constraints.boot_on);
- max8952->vid0 = (pdata->default_mode % 2) == 1;
- max8952->vid1 = ((pdata->default_mode >> 1) % 2) == 1;
+ max8952->vid0 = pdata->default_mode & 0x1;
+ max8952->vid1 = (pdata->default_mode >> 1) & 0x1;
if (gpio_is_valid(pdata->gpio_en)) {
if (!gpio_request(pdata->gpio_en, "MAX8952 EN"))
@@ -241,13 +227,13 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
gpio_is_valid(pdata->gpio_vid1)) {
if (!gpio_request(pdata->gpio_vid0, "MAX8952 VID0"))
gpio_direction_output(pdata->gpio_vid0,
- (pdata->default_mode) % 2);
+ (pdata->default_mode) & 0x1);
else
err = 1;
if (!gpio_request(pdata->gpio_vid1, "MAX8952 VID1"))
gpio_direction_output(pdata->gpio_vid1,
- (pdata->default_mode >> 1) % 2);
+ (pdata->default_mode >> 1) & 0x1);
else {
if (!err)
gpio_free(pdata->gpio_vid0);
@@ -310,10 +296,6 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
i2c_set_clientdata(client, max8952);
return 0;
-
-err_reg:
- kfree(max8952);
- return ret;
}
static int __devexit max8952_pmic_remove(struct i2c_client *client)
@@ -327,8 +309,6 @@ static int __devexit max8952_pmic_remove(struct i2c_client *client)
gpio_free(pdata->gpio_vid0);
gpio_free(pdata->gpio_vid1);
gpio_free(pdata->gpio_en);
-
- kfree(max8952);
return 0;
}
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 17a58c56eebf..704cd49ef375 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -22,7 +22,6 @@
*/
#include <linux/bug.h>
-#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/slab.h>
@@ -68,29 +67,28 @@ struct voltage_map_desc {
int min;
int max;
int step;
- unsigned int n_bits;
};
/* Voltage maps in mV */
static const struct voltage_map_desc ldo_voltage_map_desc = {
- .min = 800, .max = 3950, .step = 50, .n_bits = 6,
+ .min = 800, .max = 3950, .step = 50,
}; /* LDO1 ~ 18, 21 all */
static const struct voltage_map_desc buck1245_voltage_map_desc = {
- .min = 650, .max = 2225, .step = 25, .n_bits = 6,
+ .min = 650, .max = 2225, .step = 25,
}; /* Buck1, 2, 4, 5 */
static const struct voltage_map_desc buck37_voltage_map_desc = {
- .min = 750, .max = 3900, .step = 50, .n_bits = 6,
+ .min = 750, .max = 3900, .step = 50,
}; /* Buck3, 7 */
/* current map in mA */
static const struct voltage_map_desc charger_current_map_desc = {
- .min = 200, .max = 950, .step = 50, .n_bits = 4,
+ .min = 200, .max = 950, .step = 50,
};
static const struct voltage_map_desc topoff_current_map_desc = {
- .min = 50, .max = 200, .step = 10, .n_bits = 4,
+ .min = 50, .max = 200, .step = 10,
};
static const struct voltage_map_desc *reg_voltage_map[] = {
@@ -279,9 +277,7 @@ static int max8997_reg_is_enabled(struct regulator_dev *rdev)
u8 val;
ret = max8997_get_enable_register(rdev, &reg, &mask, &pattern);
- if (ret == -EINVAL)
- return 1; /* "not controllable" */
- else if (ret)
+ if (ret)
return ret;
ret = max8997_read_reg(i2c, reg, &val);
@@ -320,6 +316,7 @@ static int max8997_reg_disable(struct regulator_dev *rdev)
static int max8997_get_voltage_register(struct regulator_dev *rdev,
int *_reg, int *_shift, int *_mask)
{
+ struct max8997_data *max8997 = rdev_get_drvdata(rdev);
int rid = rdev_get_id(rdev);
int reg, shift = 0, mask = 0x3f;
@@ -329,9 +326,13 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev,
break;
case MAX8997_BUCK1:
reg = MAX8997_REG_BUCK1DVS1;
+ if (max8997->buck1_gpiodvs)
+ reg += max8997->buck125_gpioindex;
break;
case MAX8997_BUCK2:
reg = MAX8997_REG_BUCK2DVS1;
+ if (max8997->buck2_gpiodvs)
+ reg += max8997->buck125_gpioindex;
break;
case MAX8997_BUCK3:
reg = MAX8997_REG_BUCK3DVS;
@@ -341,6 +342,8 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev,
break;
case MAX8997_BUCK5:
reg = MAX8997_REG_BUCK5DVS1;
+ if (max8997->buck5_gpiodvs)
+ reg += max8997->buck125_gpioindex;
break;
case MAX8997_BUCK7:
reg = MAX8997_REG_BUCK7DVS;
@@ -376,23 +379,17 @@ static int max8997_get_voltage_register(struct regulator_dev *rdev,
return 0;
}
-static int max8997_get_voltage(struct regulator_dev *rdev)
+static int max8997_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int reg, shift, mask, ret;
- int rid = rdev_get_id(rdev);
u8 val;
ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
if (ret)
return ret;
- if ((rid == MAX8997_BUCK1 && max8997->buck1_gpiodvs) ||
- (rid == MAX8997_BUCK2 && max8997->buck2_gpiodvs) ||
- (rid == MAX8997_BUCK5 && max8997->buck5_gpiodvs))
- reg += max8997->buck125_gpioindex;
-
ret = max8997_read_reg(i2c, reg, &val);
if (ret)
return ret;
@@ -400,22 +397,14 @@ static int max8997_get_voltage(struct regulator_dev *rdev)
val >>= shift;
val &= mask;
- if (rdev->desc && rdev->desc->ops && rdev->desc->ops->list_voltage)
- return rdev->desc->ops->list_voltage(rdev, val);
-
- /*
- * max8997_list_voltage returns value for any rdev with voltage_map,
- * which works for "CHARGER" and "CHARGER TOPOFF" that do not have
- * list_voltage ops (they are current regulators).
- */
- return max8997_list_voltage(rdev, val);
+ return val;
}
static inline int max8997_get_voltage_proper_val(
const struct voltage_map_desc *desc,
int min_vol, int max_vol)
{
- int i = 0;
+ int i;
if (desc == NULL)
return -EINVAL;
@@ -423,14 +412,12 @@ static inline int max8997_get_voltage_proper_val(
if (max_vol < desc->min || min_vol > desc->max)
return -EINVAL;
- while (desc->min + desc->step * i < min_vol &&
- desc->min + desc->step * i < desc->max)
- i++;
+ if (min_vol < desc->min)
+ min_vol = desc->min;
- if (desc->min + desc->step * i > max_vol)
- return -EINVAL;
+ i = DIV_ROUND_UP(min_vol - desc->min, desc->step);
- if (i >= (1 << desc->n_bits))
+ if (desc->min + desc->step * i > max_vol)
return -EINVAL;
return i;
@@ -499,9 +486,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int rid = rdev_get_id(rdev);
- int reg, shift = 0, mask, ret;
- int i;
- u8 org;
+ int i, reg, shift, mask, ret;
switch (rid) {
case MAX8997_LDO1 ... MAX8997_LDO21:
@@ -530,21 +515,50 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
if (ret)
return ret;
- max8997_read_reg(i2c, reg, &org);
- org = (org & mask) >> shift;
-
ret = max8997_update_reg(i2c, reg, i << shift, mask << shift);
*selector = i;
- if (rid == MAX8997_BUCK1 || rid == MAX8997_BUCK2 ||
- rid == MAX8997_BUCK4 || rid == MAX8997_BUCK5) {
- /* If the voltage is increasing */
- if (org < i)
- udelay(DIV_ROUND_UP(desc->step * (i - org),
- max8997->ramp_delay));
+ return ret;
+}
+
+static int max8997_set_voltage_ldobuck_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector,
+ unsigned int new_selector)
+{
+ struct max8997_data *max8997 = rdev_get_drvdata(rdev);
+ int rid = rdev_get_id(rdev);
+ const struct voltage_map_desc *desc = reg_voltage_map[rid];
+
+ /* Delay is required only if the voltage is increasing */
+ if (old_selector >= new_selector)
+ return 0;
+
+ /* No need to delay if gpio_dvs_mode */
+ switch (rid) {
+ case MAX8997_BUCK1:
+ if (max8997->buck1_gpiodvs)
+ return 0;
+ break;
+ case MAX8997_BUCK2:
+ if (max8997->buck2_gpiodvs)
+ return 0;
+ break;
+ case MAX8997_BUCK5:
+ if (max8997->buck5_gpiodvs)
+ return 0;
+ break;
}
- return ret;
+ switch (rid) {
+ case MAX8997_BUCK1:
+ case MAX8997_BUCK2:
+ case MAX8997_BUCK4:
+ case MAX8997_BUCK5:
+ return DIV_ROUND_UP(desc->step * (new_selector - old_selector),
+ max8997->ramp_delay);
+ }
+
+ return 0;
}
/*
@@ -751,11 +765,6 @@ static int max8997_set_voltage_safeout(struct regulator_dev *rdev,
return ret;
}
-static int max8997_reg_enable_suspend(struct regulator_dev *rdev)
-{
- return 0;
-}
-
static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
@@ -788,9 +797,9 @@ static struct regulator_ops max8997_ldo_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_ldobuck,
- .set_suspend_enable = max8997_reg_enable_suspend,
+ .set_voltage_time_sel = max8997_set_voltage_ldobuck_time_sel,
.set_suspend_disable = max8997_reg_disable_suspend,
};
@@ -799,9 +808,9 @@ static struct regulator_ops max8997_buck_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_buck,
- .set_suspend_enable = max8997_reg_enable_suspend,
+ .set_voltage_time_sel = max8997_set_voltage_ldobuck_time_sel,
.set_suspend_disable = max8997_reg_disable_suspend,
};
@@ -810,7 +819,6 @@ static struct regulator_ops max8997_fixedvolt_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .set_suspend_enable = max8997_reg_enable_suspend,
.set_suspend_disable = max8997_reg_disable_suspend,
};
@@ -819,144 +827,117 @@ static struct regulator_ops max8997_safeout_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_safeout,
- .set_suspend_enable = max8997_reg_enable_suspend,
.set_suspend_disable = max8997_reg_disable_suspend,
};
static struct regulator_ops max8997_fixedstate_ops = {
.list_voltage = max8997_list_voltage_charger_cv,
- .get_voltage = max8997_get_voltage,
+ .get_voltage_sel = max8997_get_voltage_sel,
.set_voltage = max8997_set_voltage_charger_cv,
};
-static int max8997_set_voltage_ldobuck_wrap(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+static int max8997_set_current_limit(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
{
unsigned dummy;
+ int rid = rdev_get_id(rdev);
+
+ if (rid != MAX8997_CHARGER && rid != MAX8997_CHARGER_TOPOFF)
+ return -EINVAL;
- return max8997_set_voltage_ldobuck(rdev, min_uV, max_uV, &dummy);
+ /* Reuse max8997_set_voltage_ldobuck to set current_limit. */
+ return max8997_set_voltage_ldobuck(rdev, min_uA, max_uA, &dummy);
}
+static int max8997_get_current_limit(struct regulator_dev *rdev)
+{
+ int sel, rid = rdev_get_id(rdev);
+
+ if (rid != MAX8997_CHARGER && rid != MAX8997_CHARGER_TOPOFF)
+ return -EINVAL;
+
+ sel = max8997_get_voltage_sel(rdev);
+ if (sel < 0)
+ return sel;
+
+ /* Reuse max8997_list_voltage to get current_limit. */
+ return max8997_list_voltage(rdev, sel);
+}
static struct regulator_ops max8997_charger_ops = {
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
- .get_current_limit = max8997_get_voltage,
- .set_current_limit = max8997_set_voltage_ldobuck_wrap,
+ .get_current_limit = max8997_get_current_limit,
+ .set_current_limit = max8997_set_current_limit,
};
static struct regulator_ops max8997_charger_fixedstate_ops = {
- .is_enabled = max8997_reg_is_enabled,
- .get_current_limit = max8997_get_voltage,
- .set_current_limit = max8997_set_voltage_ldobuck_wrap,
+ .get_current_limit = max8997_get_current_limit,
+ .set_current_limit = max8997_set_current_limit,
};
-#define regulator_desc_ldo(num) { \
- .name = "LDO"#num, \
- .id = MAX8997_LDO##num, \
- .ops = &max8997_ldo_ops, \
+#define MAX8997_VOLTAGE_REGULATOR(_name, _ops) {\
+ .name = #_name, \
+ .id = MAX8997_##_name, \
+ .ops = &_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}
-#define regulator_desc_buck(num) { \
- .name = "BUCK"#num, \
- .id = MAX8997_BUCK##num, \
- .ops = &max8997_buck_ops, \
- .type = REGULATOR_VOLTAGE, \
+
+#define MAX8997_CURRENT_REGULATOR(_name, _ops) {\
+ .name = #_name, \
+ .id = MAX8997_##_name, \
+ .ops = &_ops, \
+ .type = REGULATOR_CURRENT, \
.owner = THIS_MODULE, \
}
static struct regulator_desc regulators[] = {
- regulator_desc_ldo(1),
- regulator_desc_ldo(2),
- regulator_desc_ldo(3),
- regulator_desc_ldo(4),
- regulator_desc_ldo(5),
- regulator_desc_ldo(6),
- regulator_desc_ldo(7),
- regulator_desc_ldo(8),
- regulator_desc_ldo(9),
- regulator_desc_ldo(10),
- regulator_desc_ldo(11),
- regulator_desc_ldo(12),
- regulator_desc_ldo(13),
- regulator_desc_ldo(14),
- regulator_desc_ldo(15),
- regulator_desc_ldo(16),
- regulator_desc_ldo(17),
- regulator_desc_ldo(18),
- regulator_desc_ldo(21),
- regulator_desc_buck(1),
- regulator_desc_buck(2),
- regulator_desc_buck(3),
- regulator_desc_buck(4),
- regulator_desc_buck(5),
- {
- .name = "BUCK6",
- .id = MAX8997_BUCK6,
- .ops = &max8997_fixedvolt_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- },
- regulator_desc_buck(7),
- {
- .name = "EN32KHz_AP",
- .id = MAX8997_EN32KHZ_AP,
- .ops = &max8997_fixedvolt_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "EN32KHz_CP",
- .id = MAX8997_EN32KHZ_CP,
- .ops = &max8997_fixedvolt_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "ENVICHG",
- .id = MAX8997_ENVICHG,
- .ops = &max8997_fixedvolt_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "ESAFEOUT1",
- .id = MAX8997_ESAFEOUT1,
- .ops = &max8997_safeout_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "ESAFEOUT2",
- .id = MAX8997_ESAFEOUT2,
- .ops = &max8997_safeout_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "CHARGER_CV",
- .id = MAX8997_CHARGER_CV,
- .ops = &max8997_fixedstate_ops,
- .type = REGULATOR_VOLTAGE,
- .owner = THIS_MODULE,
- }, {
- .name = "CHARGER",
- .id = MAX8997_CHARGER,
- .ops = &max8997_charger_ops,
- .type = REGULATOR_CURRENT,
- .owner = THIS_MODULE,
- }, {
- .name = "CHARGER_TOPOFF",
- .id = MAX8997_CHARGER_TOPOFF,
- .ops = &max8997_charger_fixedstate_ops,
- .type = REGULATOR_CURRENT,
- .owner = THIS_MODULE,
- },
+ MAX8997_VOLTAGE_REGULATOR(LDO1, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO2, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO3, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO4, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO5, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO6, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO7, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO8, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO9, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO10, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO11, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO12, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO13, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO14, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO15, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO16, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO17, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO18, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(LDO21, max8997_ldo_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK1, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK2, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK3, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK4, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK5, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK6, max8997_fixedvolt_ops),
+ MAX8997_VOLTAGE_REGULATOR(BUCK7, max8997_buck_ops),
+ MAX8997_VOLTAGE_REGULATOR(EN32KHZ_AP, max8997_fixedvolt_ops),
+ MAX8997_VOLTAGE_REGULATOR(EN32KHZ_CP, max8997_fixedvolt_ops),
+ MAX8997_VOLTAGE_REGULATOR(ENVICHG, max8997_fixedvolt_ops),
+ MAX8997_VOLTAGE_REGULATOR(ESAFEOUT1, max8997_safeout_ops),
+ MAX8997_VOLTAGE_REGULATOR(ESAFEOUT2, max8997_safeout_ops),
+ MAX8997_VOLTAGE_REGULATOR(CHARGER_CV, max8997_fixedstate_ops),
+ MAX8997_CURRENT_REGULATOR(CHARGER, max8997_charger_ops),
+ MAX8997_CURRENT_REGULATOR(CHARGER_TOPOFF,
+ max8997_charger_fixedstate_ops),
};
static __devinit int max8997_pmic_probe(struct platform_device *pdev)
{
struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct max8997_platform_data *pdata = dev_get_platdata(iodev->dev);
+ struct regulator_config config = { };
struct regulator_dev **rdev;
struct max8997_data *max8997;
struct i2c_client *i2c;
@@ -968,16 +949,15 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
return -ENODEV;
}
- max8997 = kzalloc(sizeof(struct max8997_data), GFP_KERNEL);
+ max8997 = devm_kzalloc(&pdev->dev, sizeof(struct max8997_data),
+ GFP_KERNEL);
if (!max8997)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * pdata->num_regulators;
- max8997->rdev = kzalloc(size, GFP_KERNEL);
- if (!max8997->rdev) {
- kfree(max8997);
+ max8997->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+ if (!max8997->rdev)
return -ENOMEM;
- }
rdev = max8997->rdev;
max8997->dev = &pdev->dev;
@@ -1001,7 +981,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
pdata->buck1_voltage[i] / 1000 +
buck1245_voltage_map_desc.step);
if (ret < 0)
- goto err_alloc;
+ goto err_out;
max8997->buck2_vol[i] = ret =
max8997_get_voltage_proper_val(
@@ -1010,7 +990,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
pdata->buck2_voltage[i] / 1000 +
buck1245_voltage_map_desc.step);
if (ret < 0)
- goto err_alloc;
+ goto err_out;
max8997->buck5_vol[i] = ret =
max8997_get_voltage_proper_val(
@@ -1019,7 +999,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
pdata->buck5_voltage[i] / 1000 +
buck1245_voltage_map_desc.step);
if (ret < 0)
- goto err_alloc;
+ goto err_out;
if (max_buck1 < max8997->buck1_vol[i])
max_buck1 = max8997->buck1_vol[i];
@@ -1052,7 +1032,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
!gpio_is_valid(pdata->buck125_gpios[2])) {
dev_err(&pdev->dev, "GPIO NOT VALID\n");
ret = -EINVAL;
- goto err_alloc;
+ goto err_out;
}
ret = gpio_request(pdata->buck125_gpios[0],
@@ -1061,7 +1041,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
dev_warn(&pdev->dev, "Duplicated gpio request"
" on SET1\n");
else if (ret)
- goto err_alloc;
+ goto err_out;
else
gpio1set = true;
@@ -1073,7 +1053,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
else if (ret) {
if (gpio1set)
gpio_free(pdata->buck125_gpios[0]);
- goto err_alloc;
+ goto err_out;
} else
gpio2set = true;
@@ -1087,7 +1067,7 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
gpio_free(pdata->buck125_gpios[0]);
if (gpio2set)
gpio_free(pdata->buck125_gpios[1]);
- goto err_alloc;
+ goto err_out;
}
gpio_direction_output(pdata->buck125_gpios[0],
@@ -1140,8 +1120,11 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
else if (id == MAX8997_CHARGER_CV)
regulators[id].n_voltages = 16;
- rdev[i] = regulator_register(&regulators[id], max8997->dev,
- pdata->regulators[i].initdata, max8997, NULL);
+ config.dev = max8997->dev;
+ config.init_data = pdata->regulators[i].initdata;
+ config.driver_data = max8997;
+
+ rdev[i] = regulator_register(&regulators[id], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(max8997->dev, "regulator init failed for %d\n",
@@ -1153,13 +1136,9 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
return 0;
err:
- for (i = 0; i < max8997->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-err_alloc:
- kfree(max8997->rdev);
- kfree(max8997);
-
+ while (--i >= 0)
+ regulator_unregister(rdev[i]);
+err_out:
return ret;
}
@@ -1170,12 +1149,7 @@ static int __devexit max8997_pmic_remove(struct platform_device *pdev)
int i;
for (i = 0; i < max8997->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-
- kfree(max8997->rdev);
- kfree(max8997);
-
+ regulator_unregister(rdev[i]);
return 0;
}
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 5890265eeacc..18bb58b9b96e 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
-#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/mfd/max8998.h>
@@ -277,7 +276,7 @@ static int max8998_get_voltage_register(struct regulator_dev *rdev,
return 0;
}
-static int max8998_get_voltage(struct regulator_dev *rdev)
+static int max8998_get_voltage_sel(struct regulator_dev *rdev)
{
struct max8998_data *max8998 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8998->iodev->i2c;
@@ -295,7 +294,7 @@ static int max8998_get_voltage(struct regulator_dev *rdev)
val >>= shift;
val &= mask;
- return max8998_list_voltage(rdev, val);
+ return val;
}
static int max8998_set_voltage_ldo(struct regulator_dev *rdev,
@@ -306,8 +305,7 @@ static int max8998_set_voltage_ldo(struct regulator_dev *rdev,
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const struct voltage_map_desc *desc;
int ldo = rdev_get_id(rdev);
- int reg, shift = 0, mask, ret;
- int i = 0;
+ int reg, shift = 0, mask, ret, i;
if (ldo >= ARRAY_SIZE(ldo_voltage_map))
return -EINVAL;
@@ -319,9 +317,10 @@ static int max8998_set_voltage_ldo(struct regulator_dev *rdev,
if (max_vol < desc->min || min_vol > desc->max)
return -EINVAL;
- while (desc->min + desc->step*i < min_vol &&
- desc->min + desc->step*i < desc->max)
- i++;
+ if (min_vol < desc->min)
+ min_vol = desc->min;
+
+ i = DIV_ROUND_UP(min_vol - desc->min, desc->step);
if (desc->min + desc->step*i > max_vol)
return -EINVAL;
@@ -359,8 +358,7 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
const struct voltage_map_desc *desc;
int buck = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
- int difference = 0, i = 0, j = 0, previous_vol = 0;
- u8 val = 0;
+ int i, j, previous_sel;
static u8 buck1_last_val;
if (buck >= ARRAY_SIZE(ldo_voltage_map))
@@ -374,9 +372,10 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
if (max_vol < desc->min || min_vol > desc->max)
return -EINVAL;
- while (desc->min + desc->step*i < min_vol &&
- desc->min + desc->step*i < desc->max)
- i++;
+ if (min_vol < desc->min)
+ min_vol = desc->min;
+
+ i = DIV_ROUND_UP(min_vol - desc->min, desc->step);
if (desc->min + desc->step*i > max_vol)
return -EINVAL;
@@ -387,13 +386,14 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
if (ret)
return ret;
- previous_vol = max8998_get_voltage(rdev);
+ previous_sel = max8998_get_voltage_sel(rdev);
/* Check if voltage needs to be changed */
/* if previous_voltage equal new voltage, return */
- if (previous_vol == max8998_list_voltage(rdev, i)) {
+ if (previous_sel == i) {
dev_dbg(max8998->dev, "No voltage change, old:%d, new:%d\n",
- previous_vol, max8998_list_voltage(rdev, i));
+ max8998_list_voltage(rdev, previous_sel),
+ max8998_list_voltage(rdev, i));
return ret;
}
@@ -482,19 +482,40 @@ buck2_exit:
break;
}
+ return ret;
+}
+
+static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector,
+ unsigned int new_selector)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ struct i2c_client *i2c = max8998->iodev->i2c;
+ const struct voltage_map_desc *desc;
+ int buck = rdev_get_id(rdev);
+ u8 val = 0;
+ int difference, ret;
+
+ if (buck < MAX8998_BUCK1 || buck > MAX8998_BUCK4)
+ return -EINVAL;
+
+ desc = ldo_voltage_map[buck];
+
/* Voltage stabilization */
- max8998_read_reg(i2c, MAX8998_REG_ONOFF4, &val);
+ ret = max8998_read_reg(i2c, MAX8998_REG_ONOFF4, &val);
+ if (ret)
+ return ret;
/* lp3974 hasn't got ENRAMP bit - ramp is assumed as true */
/* MAX8998 has ENRAMP bit implemented, so test it*/
if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP))
- return ret;
+ return 0;
- difference = desc->min + desc->step*i - previous_vol/1000;
+ difference = (new_selector - old_selector) * desc->step;
if (difference > 0)
- udelay(difference / ((val & 0x0f) + 1));
+ return difference / ((val & 0x0f) + 1);
- return ret;
+ return 0;
}
static struct regulator_ops max8998_ldo_ops = {
@@ -502,7 +523,7 @@ static struct regulator_ops max8998_ldo_ops = {
.is_enabled = max8998_ldo_is_enabled,
.enable = max8998_ldo_enable,
.disable = max8998_ldo_disable,
- .get_voltage = max8998_get_voltage,
+ .get_voltage_sel = max8998_get_voltage_sel,
.set_voltage = max8998_set_voltage_ldo,
.set_suspend_enable = max8998_ldo_enable,
.set_suspend_disable = max8998_ldo_disable,
@@ -513,8 +534,9 @@ static struct regulator_ops max8998_buck_ops = {
.is_enabled = max8998_ldo_is_enabled,
.enable = max8998_ldo_enable,
.disable = max8998_ldo_disable,
- .get_voltage = max8998_get_voltage,
+ .get_voltage_sel = max8998_get_voltage_sel,
.set_voltage = max8998_set_voltage_buck,
+ .set_voltage_time_sel = max8998_set_voltage_buck_time_sel,
.set_suspend_enable = max8998_ldo_enable,
.set_suspend_disable = max8998_ldo_disable,
};
@@ -685,6 +707,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
{
struct max8998_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct max8998_platform_data *pdata = dev_get_platdata(iodev->dev);
+ struct regulator_config config = { };
struct regulator_dev **rdev;
struct max8998_data *max8998;
struct i2c_client *i2c;
@@ -695,16 +718,15 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
return -ENODEV;
}
- max8998 = kzalloc(sizeof(struct max8998_data), GFP_KERNEL);
+ max8998 = devm_kzalloc(&pdev->dev, sizeof(struct max8998_data),
+ GFP_KERNEL);
if (!max8998)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * pdata->num_regulators;
- max8998->rdev = kzalloc(size, GFP_KERNEL);
- if (!max8998->rdev) {
- kfree(max8998);
+ max8998->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+ if (!max8998->rdev)
return -ENOMEM;
- }
rdev = max8998->rdev;
max8998->dev = &pdev->dev;
@@ -728,14 +750,14 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
printk(KERN_ERR "MAX8998 SET1 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set1);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
/* Check if SET2 is not equal to 0 */
if (!pdata->buck1_set2) {
printk(KERN_ERR "MAX8998 SET2 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck1_set2);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
gpio_request(pdata->buck1_set1, "MAX8998 BUCK1_SET1");
@@ -755,7 +777,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 2 */
i = 0;
@@ -767,7 +789,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE2, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 3 */
i = 0;
@@ -779,7 +801,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[2] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE3, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* Set predefined value for BUCK1 register 4 */
i = 0;
@@ -791,7 +813,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck1_vol[3] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE4, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
}
@@ -801,7 +823,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
printk(KERN_ERR "MAX8998 SET3 GPIO defined as 0 !\n");
WARN_ON(!pdata->buck2_set3);
ret = -EIO;
- goto err_free_mem;
+ goto err_out;
}
gpio_request(pdata->buck2_set3, "MAX8998 BUCK2_SET3");
gpio_direction_output(pdata->buck2_set3,
@@ -816,7 +838,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
/* BUCK2 register 2 */
i = 0;
@@ -827,7 +849,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
max8998->buck2_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
if (ret)
- goto err_free_mem;
+ goto err_out;
}
for (i = 0; i < pdata->num_regulators; i++) {
@@ -840,8 +862,12 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
int count = (desc->max - desc->min) / desc->step + 1;
regulators[index].n_voltages = count;
}
- rdev[i] = regulator_register(&regulators[index], max8998->dev,
- pdata->regulators[i].initdata, max8998, NULL);
+
+ config.dev = max8998->dev;
+ config.init_data = pdata->regulators[i].initdata;
+ config.driver_data = max8998;
+
+ rdev[i] = regulator_register(&regulators[index], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(max8998->dev, "regulator init failed\n");
@@ -853,14 +879,9 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
return 0;
err:
- for (i = 0; i < max8998->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-
-err_free_mem:
- kfree(max8998->rdev);
- kfree(max8998);
-
+ while (--i >= 0)
+ regulator_unregister(rdev[i]);
+err_out:
return ret;
}
@@ -871,12 +892,7 @@ static int __devexit max8998_pmic_remove(struct platform_device *pdev)
int i;
for (i = 0; i < max8998->num_regulators; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
-
- kfree(max8998->rdev);
- kfree(max8998);
-
+ regulator_unregister(rdev[i]);
return 0;
}
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 6c0face87ffe..7dcdfa283e93 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -340,6 +340,7 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
struct mc13xxx_regulator_platform_data *pdata =
dev_get_platdata(&pdev->dev);
struct mc13xxx_regulator_init_data *init_data;
+ struct regulator_config config = { };
int i, ret;
dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);
@@ -357,11 +358,16 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
priv->mc13xxx = mc13783;
for (i = 0; i < pdata->num_regulators; i++) {
+ struct regulator_desc *desc;
+
init_data = &pdata->regulators[i];
- priv->regulators[i] = regulator_register(
- &mc13783_regulators[init_data->id].desc,
- &pdev->dev, init_data->init_data, priv, NULL);
+ desc = &mc13783_regulators[init_data->id].desc;
+
+ config.dev = &pdev->dev;
+ config.init_data = init_data->init_data;
+ config.driver_data = priv;
+ priv->regulators[i] = regulator_register(desc, &config);
if (IS_ERR(priv->regulators[i])) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
mc13783_regulators[i].desc.name);
diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 845aa2263b8a..970a233dbe46 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -428,24 +428,15 @@ static int mc13892_sw_regulator_get_voltage(struct regulator_dev *rdev)
return val;
}
-static int mc13892_sw_regulator_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
int hi, value, mask, id = rdev_get_id(rdev);
u32 valread;
int ret;
- dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
- __func__, id, min_uV, max_uV);
-
- /* Find the best index */
- value = mc13xxx_get_best_voltage_index(rdev, min_uV, max_uV);
- dev_dbg(rdev_get_dev(rdev), "%s best value: %d\n", __func__, value);
- if (value < 0)
- return value;
-
- value = mc13892_regulators[id].voltages[value];
+ value = mc13892_regulators[id].voltages[selector];
mc13xxx_lock(priv->mc13xxx);
ret = mc13xxx_reg_read(priv->mc13xxx,
@@ -480,7 +471,7 @@ err:
static struct regulator_ops mc13892_sw_regulator_ops = {
.is_enabled = mc13xxx_sw_regulator_is_enabled,
.list_voltage = mc13xxx_regulator_list_voltage,
- .set_voltage = mc13892_sw_regulator_set_voltage,
+ .set_voltage_sel = mc13892_sw_regulator_set_voltage_sel,
.get_voltage = mc13892_sw_regulator_get_voltage,
};
@@ -528,6 +519,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
struct mc13xxx_regulator_platform_data *pdata =
dev_get_platdata(&pdev->dev);
struct mc13xxx_regulator_init_data *mc13xxx_data;
+ struct regulator_config config = { };
int i, ret;
int num_regulators = 0;
u32 val;
@@ -597,9 +589,12 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
}
desc = &mc13892_regulators[id].desc;
- priv->regulators[i] = regulator_register(
- desc, &pdev->dev, init_data, priv, node);
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.driver_data = priv;
+ config.of_node = node;
+ priv->regulators[i] = regulator_register(desc, &config);
if (IS_ERR(priv->regulators[i])) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
mc13892_regulators[i].desc.name);
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index 62dcd0a432bb..4fa9704739bc 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -94,62 +94,18 @@ int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(mc13xxx_regulator_list_voltage);
-int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev,
- int min_uV, int max_uV)
+static int mc13xxx_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
- int reg_id = rdev_get_id(rdev);
- int i;
- int bestmatch;
- int bestindex;
-
- /*
- * Locate the minimum voltage fitting the criteria on
- * this regulator. The switchable voltages are not
- * in strict falling order so we need to check them
- * all for the best match.
- */
- bestmatch = INT_MAX;
- bestindex = -1;
- for (i = 0; i < mc13xxx_regulators[reg_id].desc.n_voltages; i++) {
- if (mc13xxx_regulators[reg_id].voltages[i] >= min_uV &&
- mc13xxx_regulators[reg_id].voltages[i] < bestmatch) {
- bestmatch = mc13xxx_regulators[reg_id].voltages[i];
- bestindex = i;
- }
- }
-
- if (bestindex < 0 || bestmatch > max_uV) {
- dev_warn(&rdev->dev, "no possible value for %d<=x<=%d uV\n",
- min_uV, max_uV);
- return -EINVAL;
- }
- return bestindex;
-}
-EXPORT_SYMBOL_GPL(mc13xxx_get_best_voltage_index);
-
-static int mc13xxx_regulator_set_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned *selector)
-{
- struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
- struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
- int value, id = rdev_get_id(rdev);
+ int id = rdev_get_id(rdev);
int ret;
- dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
- __func__, id, min_uV, max_uV);
-
- /* Find the best index */
- value = mc13xxx_get_best_voltage_index(rdev, min_uV, max_uV);
- dev_dbg(rdev_get_dev(rdev), "%s best value: %d\n", __func__, value);
- if (value < 0)
- return value;
-
mc13xxx_lock(priv->mc13xxx);
ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13xxx_regulators[id].vsel_reg,
mc13xxx_regulators[id].vsel_mask,
- value << mc13xxx_regulators[id].vsel_shift);
+ selector << mc13xxx_regulators[id].vsel_shift);
mc13xxx_unlock(priv->mc13xxx);
return ret;
@@ -187,7 +143,7 @@ struct regulator_ops mc13xxx_regulator_ops = {
.disable = mc13xxx_regulator_disable,
.is_enabled = mc13xxx_regulator_is_enabled,
.list_voltage = mc13xxx_regulator_list_voltage,
- .set_voltage = mc13xxx_regulator_set_voltage,
+ .set_voltage_sel = mc13xxx_regulator_set_voltage_sel,
.get_voltage = mc13xxx_regulator_get_voltage,
};
EXPORT_SYMBOL_GPL(mc13xxx_regulator_ops);
diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h
index b3961c658b05..044aba4d28ec 100644
--- a/drivers/regulator/mc13xxx.h
+++ b/drivers/regulator/mc13xxx.h
@@ -35,8 +35,6 @@ struct mc13xxx_regulator_priv {
extern int mc13xxx_sw_regulator(struct regulator_dev *rdev);
extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev);
-extern int mc13xxx_get_best_voltage_index(struct regulator_dev *rdev,
- int min_uV, int max_uV);
extern int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev,
unsigned selector);
extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 679734d26a16..56593b75168a 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
static void of_get_regulation_constraints(struct device_node *np,
struct regulator_init_data **init_data)
@@ -85,3 +86,49 @@ struct regulator_init_data *of_get_regulator_init_data(struct device *dev,
return init_data;
}
EXPORT_SYMBOL_GPL(of_get_regulator_init_data);
+
+/**
+ * of_regulator_match - extract regulator init data
+ * @dev: device requesting the data
+ * @node: parent device node of the regulators
+ * @matches: match table for the regulators
+ * @num_matches: number of entries in match table
+ *
+ * This function uses a match table specified by the regulator driver and
+ * looks up the corresponding init data in the device tree. Note that the
+ * match table is modified in place.
+ *
+ * Returns the number of matches found or a negative error code on failure.
+ */
+int of_regulator_match(struct device *dev, struct device_node *node,
+ struct of_regulator_match *matches,
+ unsigned int num_matches)
+{
+ unsigned int count = 0;
+ unsigned int i;
+
+ if (!dev || !node)
+ return -EINVAL;
+
+ for (i = 0; i < num_matches; i++) {
+ struct of_regulator_match *match = &matches[i];
+ struct device_node *child;
+
+ child = of_find_node_by_name(node, match->name);
+ if (!child)
+ continue;
+
+ match->init_data = of_get_regulator_init_data(dev, child);
+ if (!match->init_data) {
+ dev_err(dev, "failed to parse DT for regulator %s\n",
+ child->name);
+ return -EINVAL;
+ }
+
+ match->of_node = child;
+ count++;
+ }
+
+ return count;
+}
+EXPORT_SYMBOL_GPL(of_regulator_match);
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
new file mode 100644
index 000000000000..c4435f608df7
--- /dev/null
+++ b/drivers/regulator/palmas-regulator.c
@@ -0,0 +1,822 @@
+/*
+ * Driver for Regulator part of Palmas PMIC Chips
+ *
+ * Copyright 2011-2012 Texas Instruments Inc.
+ *
+ * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/slab.h>
+#include <linux/regmap.h>
+#include <linux/mfd/palmas.h>
+
+struct regs_info {
+ char *name;
+ u8 vsel_addr;
+ u8 ctrl_addr;
+ u8 tstep_addr;
+};
+
+static const struct regs_info palmas_regs_info[] = {
+ {
+ .name = "SMPS12",
+ .vsel_addr = PALMAS_SMPS12_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS12_CTRL,
+ .tstep_addr = PALMAS_SMPS12_TSTEP,
+ },
+ {
+ .name = "SMPS123",
+ .vsel_addr = PALMAS_SMPS12_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS12_CTRL,
+ .tstep_addr = PALMAS_SMPS12_TSTEP,
+ },
+ {
+ .name = "SMPS3",
+ .vsel_addr = PALMAS_SMPS3_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS3_CTRL,
+ },
+ {
+ .name = "SMPS45",
+ .vsel_addr = PALMAS_SMPS45_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS45_CTRL,
+ .tstep_addr = PALMAS_SMPS45_TSTEP,
+ },
+ {
+ .name = "SMPS457",
+ .vsel_addr = PALMAS_SMPS45_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS45_CTRL,
+ .tstep_addr = PALMAS_SMPS45_TSTEP,
+ },
+ {
+ .name = "SMPS6",
+ .vsel_addr = PALMAS_SMPS6_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS6_CTRL,
+ .tstep_addr = PALMAS_SMPS6_TSTEP,
+ },
+ {
+ .name = "SMPS7",
+ .vsel_addr = PALMAS_SMPS7_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS7_CTRL,
+ },
+ {
+ .name = "SMPS8",
+ .vsel_addr = PALMAS_SMPS8_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS8_CTRL,
+ .tstep_addr = PALMAS_SMPS8_TSTEP,
+ },
+ {
+ .name = "SMPS9",
+ .vsel_addr = PALMAS_SMPS9_VOLTAGE,
+ .ctrl_addr = PALMAS_SMPS9_CTRL,
+ },
+ {
+ .name = "SMPS10",
+ },
+ {
+ .name = "LDO1",
+ .vsel_addr = PALMAS_LDO1_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO1_CTRL,
+ },
+ {
+ .name = "LDO2",
+ .vsel_addr = PALMAS_LDO2_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO2_CTRL,
+ },
+ {
+ .name = "LDO3",
+ .vsel_addr = PALMAS_LDO3_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO3_CTRL,
+ },
+ {
+ .name = "LDO4",
+ .vsel_addr = PALMAS_LDO4_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO4_CTRL,
+ },
+ {
+ .name = "LDO5",
+ .vsel_addr = PALMAS_LDO5_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO5_CTRL,
+ },
+ {
+ .name = "LDO6",
+ .vsel_addr = PALMAS_LDO6_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO6_CTRL,
+ },
+ {
+ .name = "LDO7",
+ .vsel_addr = PALMAS_LDO7_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO7_CTRL,
+ },
+ {
+ .name = "LDO8",
+ .vsel_addr = PALMAS_LDO8_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO8_CTRL,
+ },
+ {
+ .name = "LDO9",
+ .vsel_addr = PALMAS_LDO9_VOLTAGE,
+ .ctrl_addr = PALMAS_LDO9_CTRL,
+ },
+ {
+ .name = "LDOLN",
+ .vsel_addr = PALMAS_LDOLN_VOLTAGE,
+ .ctrl_addr = PALMAS_LDOLN_CTRL,
+ },
+ {
+ .name = "LDOUSB",
+ .vsel_addr = PALMAS_LDOUSB_VOLTAGE,
+ .ctrl_addr = PALMAS_LDOUSB_CTRL,
+ },
+};
+
+#define SMPS_CTRL_MODE_OFF 0x00
+#define SMPS_CTRL_MODE_ON 0x01
+#define SMPS_CTRL_MODE_ECO 0x02
+#define SMPS_CTRL_MODE_PWM 0x03
+
+/* These values are derived from the data sheet. And are the number of steps
+ * where there is a voltage change, the ranges at beginning and end of register
+ * max/min values where there are no change are ommitted.
+ *
+ * So they are basically (maxV-minV)/stepV
+ */
+#define PALMAS_SMPS_NUM_VOLTAGES 116
+#define PALMAS_SMPS10_NUM_VOLTAGES 2
+#define PALMAS_LDO_NUM_VOLTAGES 50
+
+#define SMPS10_VSEL (1<<3)
+#define SMPS10_BOOST_EN (1<<2)
+#define SMPS10_BYPASS_EN (1<<1)
+#define SMPS10_SWITCH_EN (1<<0)
+
+#define REGULATOR_SLAVE 0
+
+static int palmas_smps_read(struct palmas *palmas, unsigned int reg,
+ unsigned int *dest)
+{
+ unsigned int addr;
+
+ addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
+
+ return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
+}
+
+static int palmas_smps_write(struct palmas *palmas, unsigned int reg,
+ unsigned int value)
+{
+ unsigned int addr;
+
+ addr = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, reg);
+
+ return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
+}
+
+static int palmas_ldo_read(struct palmas *palmas, unsigned int reg,
+ unsigned int *dest)
+{
+ unsigned int addr;
+
+ addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
+
+ return regmap_read(palmas->regmap[REGULATOR_SLAVE], addr, dest);
+}
+
+static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
+ unsigned int value)
+{
+ unsigned int addr;
+
+ addr = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, reg);
+
+ return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
+}
+
+static int palmas_is_enabled_smps(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+
+ reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
+ reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
+
+ return !!(reg);
+}
+
+static int palmas_enable_smps(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+
+ reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
+ reg |= SMPS_CTRL_MODE_ON;
+
+ palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
+
+ return 0;
+}
+
+static int palmas_disable_smps(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+
+ reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
+
+ palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
+
+ return 0;
+}
+
+
+static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+ reg &= ~PALMAS_SMPS12_CTRL_STATUS_MASK;
+ reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ reg |= SMPS_CTRL_MODE_ON;
+ break;
+ case REGULATOR_MODE_IDLE:
+ reg |= SMPS_CTRL_MODE_ECO;
+ break;
+ case REGULATOR_MODE_FAST:
+ reg |= SMPS_CTRL_MODE_PWM;
+ break;
+ default:
+ return -EINVAL;
+ }
+ palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
+
+ return 0;
+}
+
+static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+ reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
+ reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
+
+ switch (reg) {
+ case SMPS_CTRL_MODE_ON:
+ return REGULATOR_MODE_NORMAL;
+ case SMPS_CTRL_MODE_ECO:
+ return REGULATOR_MODE_IDLE;
+ case SMPS_CTRL_MODE_PWM:
+ return REGULATOR_MODE_FAST;
+ }
+
+ return 0;
+}
+
+static int palmas_list_voltage_smps(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ int mult = 1;
+
+ if (!selector)
+ return 0;
+
+ /* Read the multiplier set in VSEL register to return
+ * the correct voltage.
+ */
+ if (pmic->range[id])
+ mult = 2;
+
+ /* Voltage is (0.49V + (selector * 0.01V)) * RANGE
+ * as defined in data sheet. RANGE is either x1 or x2
+ */
+ return (490000 + (selector * 10000)) * mult;
+}
+
+static int palmas_get_voltage_smps_sel(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ int selector;
+ unsigned int reg;
+ unsigned int addr;
+
+ addr = palmas_regs_info[id].vsel_addr;
+
+ palmas_smps_read(pmic->palmas, addr, &reg);
+
+ selector = reg & PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
+
+ /* Adjust selector to match list_voltage ranges */
+ if ((selector > 0) && (selector < 6))
+ selector = 6;
+ if (!selector)
+ selector = 5;
+ if (selector > 121)
+ selector = 121;
+ selector -= 5;
+
+ return selector;
+}
+
+static int palmas_set_voltage_smps_sel(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg = 0;
+ unsigned int addr;
+
+ addr = palmas_regs_info[id].vsel_addr;
+
+ /* Make sure we don't change the value of RANGE */
+ if (pmic->range[id])
+ reg |= PALMAS_SMPS12_VOLTAGE_RANGE;
+
+ /* Adjust the linux selector into range used in VSEL register */
+ if (selector)
+ reg |= selector + 5;
+
+ palmas_smps_write(pmic->palmas, addr, reg);
+
+ return 0;
+}
+
+static int palmas_map_voltage_smps(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret, voltage;
+
+ ret = ((min_uV - 500000) / 10000) + 1;
+ if (ret < 0)
+ return ret;
+
+ /* Map back into a voltage to verify we're still in bounds */
+ voltage = palmas_list_voltage_smps(rdev, ret);
+ if (voltage < min_uV || voltage > max_uV)
+ return -EINVAL;
+
+ return ret;
+}
+
+static struct regulator_ops palmas_ops_smps = {
+ .is_enabled = palmas_is_enabled_smps,
+ .enable = palmas_enable_smps,
+ .disable = palmas_disable_smps,
+ .set_mode = palmas_set_mode_smps,
+ .get_mode = palmas_get_mode_smps,
+ .get_voltage_sel = palmas_get_voltage_smps_sel,
+ .set_voltage_sel = palmas_set_voltage_smps_sel,
+ .list_voltage = palmas_list_voltage_smps,
+ .map_voltage = palmas_map_voltage_smps,
+};
+
+static int palmas_list_voltage_smps10(struct regulator_dev *dev,
+ unsigned selector)
+{
+ return 3750000 + (selector * 1250000);
+}
+
+static struct regulator_ops palmas_ops_smps10 = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = palmas_list_voltage_smps10,
+};
+
+static int palmas_is_enabled_ldo(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg;
+
+ palmas_ldo_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
+
+ reg &= PALMAS_LDO1_CTRL_STATUS;
+
+ return !!(reg);
+}
+
+static int palmas_list_voltage_ldo(struct regulator_dev *dev,
+ unsigned selector)
+{
+ if (!selector)
+ return 0;
+
+ /* voltage is 0.85V + (selector * 0.05v) */
+ return 850000 + (selector * 50000);
+}
+
+static int palmas_get_voltage_ldo_sel(struct regulator_dev *dev)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ int selector;
+ unsigned int reg;
+ unsigned int addr;
+
+ addr = palmas_regs_info[id].vsel_addr;
+
+ palmas_ldo_read(pmic->palmas, addr, &reg);
+
+ selector = reg & PALMAS_LDO1_VOLTAGE_VSEL_MASK;
+
+ /* Adjust selector to match list_voltage ranges */
+ if (selector > 49)
+ selector = 49;
+
+ return selector;
+}
+
+static int palmas_set_voltage_ldo_sel(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct palmas_pmic *pmic = rdev_get_drvdata(dev);
+ int id = rdev_get_id(dev);
+ unsigned int reg = 0;
+ unsigned int addr;
+
+ addr = palmas_regs_info[id].vsel_addr;
+
+ reg = selector;
+
+ palmas_ldo_write(pmic->palmas, addr, reg);
+
+ return 0;
+}
+
+static int palmas_map_voltage_ldo(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int ret, voltage;
+
+ ret = ((min_uV - 900000) / 50000) + 1;
+ if (ret < 0)
+ return ret;
+
+ /* Map back into a voltage to verify we're still in bounds */
+ voltage = palmas_list_voltage_ldo(rdev, ret);
+ if (voltage < min_uV || voltage > max_uV)
+ return -EINVAL;
+
+ return ret;
+}
+
+static struct regulator_ops palmas_ops_ldo = {
+ .is_enabled = palmas_is_enabled_ldo,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .get_voltage_sel = palmas_get_voltage_ldo_sel,
+ .set_voltage_sel = palmas_set_voltage_ldo_sel,
+ .list_voltage = palmas_list_voltage_ldo,
+ .map_voltage = palmas_map_voltage_ldo,
+};
+
+/*
+ * setup the hardware based sleep configuration of the SMPS/LDO regulators
+ * from the platform data. This is different to the software based control
+ * supported by the regulator framework as it is controlled by toggling
+ * pins on the PMIC such as PREQ, SYSEN, ...
+ */
+static int palmas_smps_init(struct palmas *palmas, int id,
+ struct palmas_reg_init *reg_init)
+{
+ unsigned int reg;
+ unsigned int addr;
+ int ret;
+
+ addr = palmas_regs_info[id].ctrl_addr;
+
+ ret = palmas_smps_read(palmas, addr, &reg);
+ if (ret)
+ return ret;
+
+ if (id != PALMAS_REG_SMPS10) {
+ if (reg_init->warm_reset)
+ reg |= PALMAS_SMPS12_CTRL_WR_S;
+
+ if (reg_init->roof_floor)
+ reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
+
+ if (reg_init->mode_sleep) {
+ reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
+ reg |= reg_init->mode_sleep <<
+ PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
+ }
+ } else {
+ if (reg_init->mode_sleep) {
+ reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
+ reg |= reg_init->mode_sleep <<
+ PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
+ }
+
+ }
+ ret = palmas_smps_write(palmas, addr, reg);
+ if (ret)
+ return ret;
+
+ if (palmas_regs_info[id].tstep_addr && reg_init->tstep) {
+ addr = palmas_regs_info[id].tstep_addr;
+
+ reg = reg_init->tstep & PALMAS_SMPS12_TSTEP_TSTEP_MASK;
+
+ ret = palmas_smps_write(palmas, addr, reg);
+ if (ret)
+ return ret;
+ }
+
+ if (palmas_regs_info[id].vsel_addr && reg_init->vsel) {
+ addr = palmas_regs_info[id].vsel_addr;
+
+ reg = reg_init->vsel;
+
+ ret = palmas_smps_write(palmas, addr, reg);
+ if (ret)
+ return ret;
+ }
+
+
+ return 0;
+}
+
+static int palmas_ldo_init(struct palmas *palmas, int id,
+ struct palmas_reg_init *reg_init)
+{
+ unsigned int reg;
+ unsigned int addr;
+ int ret;
+
+ addr = palmas_regs_info[id].ctrl_addr;
+
+ ret = palmas_smps_read(palmas, addr, &reg);
+ if (ret)
+ return ret;
+
+ if (reg_init->warm_reset)
+ reg |= PALMAS_LDO1_CTRL_WR_S;
+
+ if (reg_init->mode_sleep)
+ reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
+
+ ret = palmas_smps_write(palmas, addr, reg);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static __devinit int palmas_probe(struct platform_device *pdev)
+{
+ struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
+ struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
+ struct regulator_dev *rdev;
+ struct regulator_config config = { };
+ struct palmas_pmic *pmic;
+ struct palmas_reg_init *reg_init;
+ int id = 0, ret;
+ unsigned int addr, reg;
+
+ if (!pdata)
+ return -EINVAL;
+ if (!pdata->reg_data)
+ return -EINVAL;
+
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ pmic->dev = &pdev->dev;
+ pmic->palmas = palmas;
+ palmas->pmic = pmic;
+ platform_set_drvdata(pdev, pmic);
+
+ ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
+ if (ret)
+ goto err_unregister_regulator;
+
+ if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
+ pmic->smps123 = 1;
+
+ if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
+ pmic->smps457 = 1;
+
+ config.regmap = palmas->regmap[REGULATOR_SLAVE];
+ config.dev = &pdev->dev;
+ config.driver_data = pmic;
+
+ for (id = 0; id < PALMAS_REG_LDO1; id++) {
+
+ /*
+ * Miss out regulators which are not available due
+ * to slaving configurations.
+ */
+ switch (id) {
+ case PALMAS_REG_SMPS12:
+ case PALMAS_REG_SMPS3:
+ if (pmic->smps123)
+ continue;
+ break;
+ case PALMAS_REG_SMPS123:
+ if (!pmic->smps123)
+ continue;
+ break;
+ case PALMAS_REG_SMPS45:
+ case PALMAS_REG_SMPS7:
+ if (pmic->smps457)
+ continue;
+ break;
+ case PALMAS_REG_SMPS457:
+ if (!pmic->smps457)
+ continue;
+ }
+
+ /* Register the regulators */
+ pmic->desc[id].name = palmas_regs_info[id].name;
+ pmic->desc[id].id = id;
+
+ if (id != PALMAS_REG_SMPS10) {
+ pmic->desc[id].ops = &palmas_ops_smps;
+ pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
+ } else {
+ pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
+ pmic->desc[id].ops = &palmas_ops_smps10;
+ pmic->desc[id].vsel_reg = PALMAS_SMPS10_CTRL;
+ pmic->desc[id].vsel_mask = SMPS10_VSEL;
+ pmic->desc[id].enable_reg = PALMAS_SMPS10_STATUS;
+ pmic->desc[id].enable_mask = SMPS10_BOOST_EN;
+ }
+
+ pmic->desc[id].type = REGULATOR_VOLTAGE;
+ pmic->desc[id].owner = THIS_MODULE;
+
+ /* Initialise sleep/init values from platform data */
+ if (pdata && pdata->reg_init) {
+ reg_init = pdata->reg_init[id];
+ if (reg_init) {
+ ret = palmas_smps_init(palmas, id, reg_init);
+ if (ret)
+ goto err_unregister_regulator;
+ }
+ }
+
+ /*
+ * read and store the RANGE bit for later use
+ * This must be done before regulator is probed otherwise
+ * we error in probe with unsuportable ranges.
+ */
+ if (id != PALMAS_REG_SMPS10) {
+ addr = palmas_regs_info[id].vsel_addr;
+
+ ret = palmas_smps_read(pmic->palmas, addr, &reg);
+ if (ret)
+ goto err_unregister_regulator;
+ if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
+ pmic->range[id] = 1;
+ }
+
+ if (pdata && pdata->reg_data)
+ config.init_data = pdata->reg_data[id];
+ else
+ config.init_data = NULL;
+
+ rdev = regulator_register(&pmic->desc[id], &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev,
+ "failed to register %s regulator\n",
+ pdev->name);
+ ret = PTR_ERR(rdev);
+ goto err_unregister_regulator;
+ }
+
+ /* Save regulator for cleanup */
+ pmic->rdev[id] = rdev;
+ }
+
+ /* Start this loop from the id left from previous loop */
+ for (; id < PALMAS_NUM_REGS; id++) {
+
+ /* Miss out regulators which are not available due
+ * to alternate functions.
+ */
+
+ /* Register the regulators */
+ pmic->desc[id].name = palmas_regs_info[id].name;
+ pmic->desc[id].id = id;
+ pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
+
+ pmic->desc[id].ops = &palmas_ops_ldo;
+
+ pmic->desc[id].type = REGULATOR_VOLTAGE;
+ pmic->desc[id].owner = THIS_MODULE;
+ pmic->desc[id].enable_reg = palmas_regs_info[id].ctrl_addr;
+ pmic->desc[id].enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
+
+ if (pdata && pdata->reg_data)
+ config.init_data = pdata->reg_data[id];
+ else
+ config.init_data = NULL;
+
+ rdev = regulator_register(&pmic->desc[id], &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev,
+ "failed to register %s regulator\n",
+ pdev->name);
+ ret = PTR_ERR(rdev);
+ goto err_unregister_regulator;
+ }
+
+ /* Save regulator for cleanup */
+ pmic->rdev[id] = rdev;
+
+ /* Initialise sleep/init values from platform data */
+ if (pdata->reg_init) {
+ reg_init = pdata->reg_init[id];
+ if (reg_init) {
+ ret = palmas_ldo_init(palmas, id, reg_init);
+ if (ret)
+ goto err_unregister_regulator;
+ }
+ }
+ }
+
+ return 0;
+
+err_unregister_regulator:
+ while (--id >= 0)
+ regulator_unregister(pmic->rdev[id]);
+ kfree(pmic->rdev);
+ kfree(pmic->desc);
+ kfree(pmic);
+ return ret;
+}
+
+static int __devexit palmas_remove(struct platform_device *pdev)
+{
+ struct palmas_pmic *pmic = platform_get_drvdata(pdev);
+ int id;
+
+ for (id = 0; id < PALMAS_NUM_REGS; id++)
+ regulator_unregister(pmic->rdev[id]);
+
+ kfree(pmic->rdev);
+ kfree(pmic->desc);
+ kfree(pmic);
+ return 0;
+}
+
+static struct platform_driver palmas_driver = {
+ .driver = {
+ .name = "palmas-pmic",
+ .owner = THIS_MODULE,
+ },
+ .probe = palmas_probe,
+ .remove = __devexit_p(palmas_remove),
+};
+
+static int __init palmas_init(void)
+{
+ return platform_driver_register(&palmas_driver);
+}
+subsys_initcall(palmas_init);
+
+static void __exit palmas_exit(void)
+{
+ platform_driver_unregister(&palmas_driver);
+}
+module_exit(palmas_exit);
+
+MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
+MODULE_DESCRIPTION("Palmas voltage regulator driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:palmas-pmic");
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index a5aab1b08bcf..8211101121f0 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -150,57 +150,33 @@ static struct pcap_regulator vreg_table[] = {
VREG_INFO(SW2S, PCAP_REG_LOWPWR, NA, 20, NA, NA), */
};
-static int pcap_regulator_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
void *pcap = rdev_get_drvdata(rdev);
- int uV;
- u8 i;
/* the regulator doesn't support voltage switching */
if (vreg->n_voltages == 1)
return -EINVAL;
- for (i = 0; i < vreg->n_voltages; i++) {
- /* For V1 the first is not the best match */
- if (i == 0 && rdev_get_id(rdev) == V1)
- i = 1;
- else if (i + 1 == vreg->n_voltages && rdev_get_id(rdev) == V1)
- i = 0;
-
- uV = vreg->voltage_table[i] * 1000;
- if (min_uV <= uV && uV <= max_uV) {
- *selector = i;
- return ezx_pcap_set_bits(pcap, vreg->reg,
- (vreg->n_voltages - 1) << vreg->index,
- i << vreg->index);
- }
-
- if (i == 0 && rdev_get_id(rdev) == V1)
- i = vreg->n_voltages - 1;
- }
-
- /* the requested voltage range is not supported by this regulator */
- return -EINVAL;
+ return ezx_pcap_set_bits(pcap, vreg->reg,
+ (vreg->n_voltages - 1) << vreg->index,
+ selector << vreg->index);
}
-static int pcap_regulator_get_voltage(struct regulator_dev *rdev)
+static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
void *pcap = rdev_get_drvdata(rdev);
u32 tmp;
- int mV;
if (vreg->n_voltages == 1)
- return vreg->voltage_table[0] * 1000;
+ return 0;
ezx_pcap_read(pcap, vreg->reg, &tmp);
tmp = ((tmp >> vreg->index) & (vreg->n_voltages - 1));
- mV = vreg->voltage_table[tmp];
-
- return mV * 1000;
+ return tmp;
}
static int pcap_regulator_enable(struct regulator_dev *rdev)
@@ -248,8 +224,8 @@ static int pcap_regulator_list_voltage(struct regulator_dev *rdev,
static struct regulator_ops pcap_regulator_ops = {
.list_voltage = pcap_regulator_list_voltage,
- .set_voltage = pcap_regulator_set_voltage,
- .get_voltage = pcap_regulator_get_voltage,
+ .set_voltage_sel = pcap_regulator_set_voltage_sel,
+ .get_voltage_sel = pcap_regulator_get_voltage_sel,
.enable = pcap_regulator_enable,
.disable = pcap_regulator_disable,
.is_enabled = pcap_regulator_is_enabled,
@@ -265,7 +241,7 @@ static struct regulator_ops pcap_regulator_ops = {
.owner = THIS_MODULE, \
}
-static struct regulator_desc pcap_regulators[] = {
+static const struct regulator_desc pcap_regulators[] = {
VREG(V1), VREG(V2), VREG(V3), VREG(V4), VREG(V5), VREG(V6), VREG(V7),
VREG(V8), VREG(V9), VREG(V10), VREG(VAUX1), VREG(VAUX2), VREG(VAUX3),
VREG(VAUX4), VREG(VSIM), VREG(VSIM2), VREG(VVIB), VREG(SW1), VREG(SW2),
@@ -275,9 +251,13 @@ static int __devinit pcap_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
void *pcap = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
+
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = pcap;
- rdev = regulator_register(&pcap_regulators[pdev->id], &pdev->dev,
- pdev->dev.platform_data, pcap, NULL);
+ rdev = regulator_register(&pcap_regulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
index 6db46c632f13..3c9d14c0017b 100644
--- a/drivers/regulator/pcf50633-regulator.c
+++ b/drivers/regulator/pcf50633-regulator.c
@@ -24,35 +24,25 @@
#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/pmic.h>
-#define PCF50633_REGULATOR(_name, _id, _n) \
- { \
- .name = _name, \
- .id = _id, \
- .ops = &pcf50633_regulator_ops, \
- .n_voltages = _n, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
+#define PCF50633_REGULATOR(_name, _id, _n) \
+ { \
+ .name = _name, \
+ .id = PCF50633_REGULATOR_##_id, \
+ .ops = &pcf50633_regulator_ops, \
+ .n_voltages = _n, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .vsel_reg = PCF50633_REG_##_id##OUT, \
+ .vsel_mask = 0xff, \
+ .enable_reg = PCF50633_REG_##_id##OUT + 1, \
+ .enable_mask = PCF50633_REGULATOR_ON, \
}
-static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
- [PCF50633_REGULATOR_AUTO] = PCF50633_REG_AUTOOUT,
- [PCF50633_REGULATOR_DOWN1] = PCF50633_REG_DOWN1OUT,
- [PCF50633_REGULATOR_DOWN2] = PCF50633_REG_DOWN2OUT,
- [PCF50633_REGULATOR_MEMLDO] = PCF50633_REG_MEMLDOOUT,
- [PCF50633_REGULATOR_LDO1] = PCF50633_REG_LDO1OUT,
- [PCF50633_REGULATOR_LDO2] = PCF50633_REG_LDO2OUT,
- [PCF50633_REGULATOR_LDO3] = PCF50633_REG_LDO3OUT,
- [PCF50633_REGULATOR_LDO4] = PCF50633_REG_LDO4OUT,
- [PCF50633_REGULATOR_LDO5] = PCF50633_REG_LDO5OUT,
- [PCF50633_REGULATOR_LDO6] = PCF50633_REG_LDO6OUT,
- [PCF50633_REGULATOR_HCLDO] = PCF50633_REG_HCLDOOUT,
-};
-
/* Bits from voltage value */
static u8 auto_voltage_bits(unsigned int millivolts)
{
if (millivolts < 1800)
- return 0;
+ return 0x2f;
if (millivolts > 3800)
return 0xff;
@@ -87,6 +77,9 @@ static u8 ldo_voltage_bits(unsigned int millivolts)
/* Obtain voltage value from bits */
static unsigned int auto_voltage_value(u8 bits)
{
+ /* AUTOOUT: 00000000 to 00101110 are reserved.
+ * Return 0 for bits in reserved range, which means this selector code
+ * can't be used on this system */
if (bits < 0x2f)
return 0;
@@ -123,7 +116,7 @@ static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
millivolts = min_uV / 1000;
- regnr = pcf50633_regulator_registers[regulator_id];
+ regnr = rdev->desc->vsel_reg;
switch (regulator_id) {
case PCF50633_REGULATOR_AUTO:
@@ -154,20 +147,22 @@ static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
return pcf50633_reg_write(pcf, regnr, volt_bits);
}
-static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
- u8 bits)
+static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
+ unsigned int index)
{
+ int regulator_id = rdev_get_id(rdev);
+
int millivolts;
- switch (id) {
+ switch (regulator_id) {
case PCF50633_REGULATOR_AUTO:
- millivolts = auto_voltage_value(bits);
+ millivolts = auto_voltage_value(index);
break;
case PCF50633_REGULATOR_DOWN1:
- millivolts = down_voltage_value(bits);
+ millivolts = down_voltage_value(index);
break;
case PCF50633_REGULATOR_DOWN2:
- millivolts = down_voltage_value(bits);
+ millivolts = down_voltage_value(index);
break;
case PCF50633_REGULATOR_LDO1:
case PCF50633_REGULATOR_LDO2:
@@ -177,7 +172,7 @@ static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
case PCF50633_REGULATOR_LDO6:
case PCF50633_REGULATOR_HCLDO:
case PCF50633_REGULATOR_MEMLDO:
- millivolts = ldo_voltage_value(bits);
+ millivolts = ldo_voltage_value(index);
break;
default:
return -EINVAL;
@@ -186,140 +181,44 @@ static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
return millivolts * 1000;
}
-static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
-{
- struct pcf50633 *pcf;
- int regulator_id;
- u8 volt_bits, regnr;
-
- pcf = rdev_get_drvdata(rdev);
-
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= PCF50633_NUM_REGULATORS)
- return -EINVAL;
-
- regnr = pcf50633_regulator_registers[regulator_id];
-
- volt_bits = pcf50633_reg_read(pcf, regnr);
-
- return pcf50633_regulator_voltage_value(regulator_id, volt_bits);
-}
-
-static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
- unsigned int index)
-{
- struct pcf50633 *pcf;
- int regulator_id;
-
- pcf = rdev_get_drvdata(rdev);
-
- regulator_id = rdev_get_id(rdev);
-
- switch (regulator_id) {
- case PCF50633_REGULATOR_AUTO:
- index += 0x2f;
- break;
- default:
- break;
- }
-
- return pcf50633_regulator_voltage_value(regulator_id, index);
-}
-
-static int pcf50633_regulator_enable(struct regulator_dev *rdev)
-{
- struct pcf50633 *pcf = rdev_get_drvdata(rdev);
- int regulator_id;
- u8 regnr;
-
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= PCF50633_NUM_REGULATORS)
- return -EINVAL;
-
- /* The *ENA register is always one after the *OUT register */
- regnr = pcf50633_regulator_registers[regulator_id] + 1;
-
- return pcf50633_reg_set_bit_mask(pcf, regnr, PCF50633_REGULATOR_ON,
- PCF50633_REGULATOR_ON);
-}
-
-static int pcf50633_regulator_disable(struct regulator_dev *rdev)
-{
- struct pcf50633 *pcf = rdev_get_drvdata(rdev);
- int regulator_id;
- u8 regnr;
-
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= PCF50633_NUM_REGULATORS)
- return -EINVAL;
-
- /* the *ENA register is always one after the *OUT register */
- regnr = pcf50633_regulator_registers[regulator_id] + 1;
-
- return pcf50633_reg_set_bit_mask(pcf, regnr,
- PCF50633_REGULATOR_ON, 0);
-}
-
-static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
-{
- struct pcf50633 *pcf = rdev_get_drvdata(rdev);
- int regulator_id = rdev_get_id(rdev);
- u8 regnr;
-
- regulator_id = rdev_get_id(rdev);
- if (regulator_id >= PCF50633_NUM_REGULATORS)
- return -EINVAL;
-
- /* the *ENA register is always one after the *OUT register */
- regnr = pcf50633_regulator_registers[regulator_id] + 1;
-
- return pcf50633_reg_read(pcf, regnr) & PCF50633_REGULATOR_ON;
-}
-
static struct regulator_ops pcf50633_regulator_ops = {
.set_voltage = pcf50633_regulator_set_voltage,
- .get_voltage = pcf50633_regulator_get_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = pcf50633_regulator_list_voltage,
- .enable = pcf50633_regulator_enable,
- .disable = pcf50633_regulator_disable,
- .is_enabled = pcf50633_regulator_is_enabled,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
};
-static struct regulator_desc regulators[] = {
- [PCF50633_REGULATOR_AUTO] =
- PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 81),
- [PCF50633_REGULATOR_DOWN1] =
- PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 96),
- [PCF50633_REGULATOR_DOWN2] =
- PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 96),
- [PCF50633_REGULATOR_LDO1] =
- PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 28),
- [PCF50633_REGULATOR_LDO2] =
- PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 28),
- [PCF50633_REGULATOR_LDO3] =
- PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 28),
- [PCF50633_REGULATOR_LDO4] =
- PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 28),
- [PCF50633_REGULATOR_LDO5] =
- PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 28),
- [PCF50633_REGULATOR_LDO6] =
- PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 28),
- [PCF50633_REGULATOR_HCLDO] =
- PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 28),
- [PCF50633_REGULATOR_MEMLDO] =
- PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 28),
+static const struct regulator_desc regulators[] = {
+ [PCF50633_REGULATOR_AUTO] = PCF50633_REGULATOR("auto", AUTO, 128),
+ [PCF50633_REGULATOR_DOWN1] = PCF50633_REGULATOR("down1", DOWN1, 96),
+ [PCF50633_REGULATOR_DOWN2] = PCF50633_REGULATOR("down2", DOWN2, 96),
+ [PCF50633_REGULATOR_LDO1] = PCF50633_REGULATOR("ldo1", LDO1, 28),
+ [PCF50633_REGULATOR_LDO2] = PCF50633_REGULATOR("ldo2", LDO2, 28),
+ [PCF50633_REGULATOR_LDO3] = PCF50633_REGULATOR("ldo3", LDO3, 28),
+ [PCF50633_REGULATOR_LDO4] = PCF50633_REGULATOR("ldo4", LDO4, 28),
+ [PCF50633_REGULATOR_LDO5] = PCF50633_REGULATOR("ldo5", LDO5, 28),
+ [PCF50633_REGULATOR_LDO6] = PCF50633_REGULATOR("ldo6", LDO6, 28),
+ [PCF50633_REGULATOR_HCLDO] = PCF50633_REGULATOR("hcldo", HCLDO, 28),
+ [PCF50633_REGULATOR_MEMLDO] = PCF50633_REGULATOR("memldo", MEMLDO, 28),
};
static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
struct pcf50633 *pcf;
+ struct regulator_config config = { };
/* Already set by core driver */
pcf = dev_to_pcf50633(pdev->dev.parent);
- rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
- pdev->dev.platform_data, pcf, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = pcf;
+ config.regmap = pcf->regmap;
+
+ rdev = regulator_register(&regulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c
new file mode 100644
index 000000000000..1d34e64a1307
--- /dev/null
+++ b/drivers/regulator/rc5t583-regulator.c
@@ -0,0 +1,255 @@
+/*
+ * Regulator driver for RICOH RC5T583 power management chip.
+ *
+ * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
+ * Author: Laxman dewangan <ldewangan@nvidia.com>
+ *
+ * based on code
+ * Copyright (C) 2011 RICOH COMPANY,LTD
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/gpio.h>
+#include <linux/mfd/rc5t583.h>
+
+struct rc5t583_regulator_info {
+ int deepsleep_id;
+
+ /* Regulator register address.*/
+ uint8_t reg_disc_reg;
+ uint8_t disc_bit;
+ uint8_t deepsleep_reg;
+
+ /* Regulator specific turn-on delay and voltage settling time*/
+ int enable_uv_per_us;
+ int change_uv_per_us;
+
+ /* Used by regulator core */
+ struct regulator_desc desc;
+};
+
+struct rc5t583_regulator {
+ struct rc5t583_regulator_info *reg_info;
+
+ /* Devices */
+ struct device *dev;
+ struct rc5t583 *mfd;
+ struct regulator_dev *rdev;
+};
+
+static int rc5t583_regulator_enable_time(struct regulator_dev *rdev)
+{
+ struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
+ int vsel = regulator_get_voltage_sel_regmap(rdev);
+ int curr_uV = regulator_list_voltage_linear(rdev, vsel);
+
+ return DIV_ROUND_UP(curr_uV, reg->reg_info->enable_uv_per_us);
+}
+
+static int rc5t583_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector, unsigned int new_selector)
+{
+ struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
+ int old_uV, new_uV;
+ old_uV = regulator_list_voltage_linear(rdev, old_selector);
+
+ if (old_uV < 0)
+ return old_uV;
+
+ new_uV = regulator_list_voltage_linear(rdev, new_selector);
+ if (new_uV < 0)
+ return new_uV;
+
+ return DIV_ROUND_UP(abs(old_uV - new_uV),
+ reg->reg_info->change_uv_per_us);
+}
+
+
+static struct regulator_ops rc5t583_ops = {
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .enable_time = rc5t583_regulator_enable_time,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .set_voltage_time_sel = rc5t583_set_voltage_time_sel,
+};
+
+#define RC5T583_REG(_id, _en_reg, _en_bit, _disc_reg, _disc_bit, \
+ _vout_mask, _min_mv, _max_mv, _step_uV, _enable_mv) \
+{ \
+ .reg_disc_reg = RC5T583_REG_##_disc_reg, \
+ .disc_bit = _disc_bit, \
+ .deepsleep_reg = RC5T583_REG_##_id##DAC_DS, \
+ .enable_uv_per_us = _enable_mv * 1000, \
+ .change_uv_per_us = 40 * 1000, \
+ .deepsleep_id = RC5T583_DS_##_id, \
+ .desc = { \
+ .name = "rc5t583-regulator-"#_id, \
+ .id = RC5T583_REGULATOR_##_id, \
+ .n_voltages = (_max_mv - _min_mv) * 1000 / _step_uV + 1, \
+ .ops = &rc5t583_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .vsel_reg = RC5T583_REG_##_id##DAC, \
+ .vsel_mask = _vout_mask, \
+ .enable_reg = RC5T583_REG_##_en_reg, \
+ .enable_mask = BIT(_en_bit), \
+ .min_uV = _min_mv * 1000, \
+ .uV_step = _step_uV, \
+ }, \
+}
+
+static struct rc5t583_regulator_info rc5t583_reg_info[RC5T583_REGULATOR_MAX] = {
+ RC5T583_REG(DC0, DC0CTL, 0, DC0CTL, 1, 0x7F, 700, 1500, 12500, 4),
+ RC5T583_REG(DC1, DC1CTL, 0, DC1CTL, 1, 0x7F, 700, 1500, 12500, 14),
+ RC5T583_REG(DC2, DC2CTL, 0, DC2CTL, 1, 0x7F, 900, 2400, 12500, 14),
+ RC5T583_REG(DC3, DC3CTL, 0, DC3CTL, 1, 0x7F, 900, 2400, 12500, 14),
+ RC5T583_REG(LDO0, LDOEN2, 0, LDODIS2, 0, 0x7F, 900, 3400, 25000, 160),
+ RC5T583_REG(LDO1, LDOEN2, 1, LDODIS2, 1, 0x7F, 900, 3400, 25000, 160),
+ RC5T583_REG(LDO2, LDOEN2, 2, LDODIS2, 2, 0x7F, 900, 3400, 25000, 160),
+ RC5T583_REG(LDO3, LDOEN2, 3, LDODIS2, 3, 0x7F, 900, 3400, 25000, 160),
+ RC5T583_REG(LDO4, LDOEN2, 4, LDODIS2, 4, 0x3F, 750, 1500, 12500, 133),
+ RC5T583_REG(LDO5, LDOEN2, 5, LDODIS2, 5, 0x7F, 900, 3400, 25000, 267),
+ RC5T583_REG(LDO6, LDOEN2, 6, LDODIS2, 6, 0x7F, 900, 3400, 25000, 133),
+ RC5T583_REG(LDO7, LDOEN2, 7, LDODIS2, 7, 0x7F, 900, 3400, 25000, 233),
+ RC5T583_REG(LDO8, LDOEN1, 0, LDODIS1, 0, 0x7F, 900, 3400, 25000, 233),
+ RC5T583_REG(LDO9, LDOEN1, 1, LDODIS1, 1, 0x7F, 900, 3400, 25000, 133),
+};
+
+static int __devinit rc5t583_regulator_probe(struct platform_device *pdev)
+{
+ struct rc5t583 *rc5t583 = dev_get_drvdata(pdev->dev.parent);
+ struct rc5t583_platform_data *pdata = dev_get_platdata(rc5t583->dev);
+ struct regulator_init_data *reg_data;
+ struct regulator_config config = { };
+ struct rc5t583_regulator *reg = NULL;
+ struct rc5t583_regulator *regs;
+ struct regulator_dev *rdev;
+ struct rc5t583_regulator_info *ri;
+ int ret;
+ int id;
+
+ if (!pdata) {
+ dev_err(&pdev->dev, "No platform data, exiting...\n");
+ return -ENODEV;
+ }
+
+ regs = devm_kzalloc(&pdev->dev, RC5T583_REGULATOR_MAX *
+ sizeof(struct rc5t583_regulator), GFP_KERNEL);
+ if (!regs) {
+ dev_err(&pdev->dev, "Memory allocation failed exiting..\n");
+ return -ENOMEM;
+ }
+
+
+ for (id = 0; id < RC5T583_REGULATOR_MAX; ++id) {
+ reg_data = pdata->reg_init_data[id];
+
+ /* No need to register if there is no regulator data */
+ if (!reg_data)
+ continue;
+
+ reg = &regs[id];
+ ri = &rc5t583_reg_info[id];
+ reg->reg_info = ri;
+ reg->mfd = rc5t583;
+ reg->dev = &pdev->dev;
+
+ if (ri->deepsleep_id == RC5T583_DS_NONE)
+ goto skip_ext_pwr_config;
+
+ ret = rc5t583_ext_power_req_config(rc5t583->dev,
+ ri->deepsleep_id,
+ pdata->regulator_ext_pwr_control[id],
+ pdata->regulator_deepsleep_slot[id]);
+ /*
+ * Configuring external control is not a major issue,
+ * just give warning.
+ */
+ if (ret < 0)
+ dev_warn(&pdev->dev,
+ "Failed to configure ext control %d\n", id);
+
+skip_ext_pwr_config:
+ config.dev = &pdev->dev;
+ config.init_data = reg_data;
+ config.driver_data = reg;
+ config.regmap = rc5t583->regmap;
+
+ rdev = regulator_register(&ri->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register regulator %s\n",
+ ri->desc.name);
+ ret = PTR_ERR(rdev);
+ goto clean_exit;
+ }
+ reg->rdev = rdev;
+ }
+ platform_set_drvdata(pdev, regs);
+ return 0;
+
+clean_exit:
+ while (--id >= 0)
+ regulator_unregister(regs[id].rdev);
+
+ return ret;
+}
+
+static int __devexit rc5t583_regulator_remove(struct platform_device *pdev)
+{
+ struct rc5t583_regulator *regs = platform_get_drvdata(pdev);
+ int id;
+
+ for (id = 0; id < RC5T583_REGULATOR_MAX; ++id)
+ regulator_unregister(regs[id].rdev);
+ return 0;
+}
+
+static struct platform_driver rc5t583_regulator_driver = {
+ .driver = {
+ .name = "rc5t583-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = rc5t583_regulator_probe,
+ .remove = __devexit_p(rc5t583_regulator_remove),
+};
+
+static int __init rc5t583_regulator_init(void)
+{
+ return platform_driver_register(&rc5t583_regulator_driver);
+}
+subsys_initcall(rc5t583_regulator_init);
+
+static void __exit rc5t583_regulator_exit(void)
+{
+ platform_driver_unregister(&rc5t583_regulator_driver);
+}
+module_exit(rc5t583_regulator_exit);
+
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_DESCRIPTION("RC5T583 regulator driver");
+MODULE_ALIAS("platform:rc5t583-regulator");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 4ca2db059004..290d6fc01029 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -12,7 +12,6 @@
*/
#include <linux/bug.h>
-#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/slab.h>
@@ -28,6 +27,7 @@ struct s5m8767_info {
struct s5m87xx_dev *iodev;
int num_regulators;
struct regulator_dev **rdev;
+ struct s5m_opmode_data *opmode;
int ramp_delay;
bool buck2_ramp;
@@ -141,9 +141,56 @@ static int s5m8767_list_voltage(struct regulator_dev *rdev,
return val;
}
-static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
+static unsigned int s5m8767_opmode_reg[][4] = {
+ /* {OFF, ON, LOWPOWER, SUSPEND} */
+ /* LDO1 ... LDO28 */
+ {0x0, 0x3, 0x2, 0x1}, /* LDO1 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO5 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO10 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO15 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO20 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x0, 0x0, 0x0},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO25 */
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* LDO28 */
+
+ /* BUCK1 ... BUCK9 */
+ {0x0, 0x3, 0x1, 0x1}, /* BUCK1 */
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x2, 0x1}, /* BUCK5 */
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1},
+ {0x0, 0x3, 0x1, 0x1}, /* BUCK9 */
+};
+
+static int s5m8767_get_register(struct regulator_dev *rdev, int *reg,
+ int *enable_ctrl)
{
int reg_id = rdev_get_id(rdev);
+ unsigned int mode;
+ struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO2:
@@ -168,6 +215,8 @@ static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
return -EINVAL;
}
+ mode = s5m8767->opmode[reg_id].mode;
+ *enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
return 0;
}
@@ -175,10 +224,10 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
u8 val;
- ret = s5m8767_get_register(rdev, &reg);
+ ret = s5m8767_get_register(rdev, &reg, &enable_ctrl);
if (ret == -EINVAL)
return 1;
else if (ret)
@@ -188,33 +237,33 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
if (ret)
return ret;
- return (val & mask) == pattern;
+ return (val & mask) == enable_ctrl;
}
static int s5m8767_reg_enable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
- ret = s5m8767_get_register(rdev, &reg);
+ ret = s5m8767_get_register(rdev, &reg, &enable_ctrl);
if (ret)
return ret;
- return s5m_reg_update(s5m8767->iodev, reg, pattern, mask);
+ return s5m_reg_update(s5m8767->iodev, reg, enable_ctrl, mask);
}
static int s5m8767_reg_disable(struct regulator_dev *rdev)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
int ret, reg;
- int mask = 0xc0, pattern = 0xc0;
+ int mask = 0xc0, enable_ctrl;
- ret = s5m8767_get_register(rdev, &reg);
+ ret = s5m8767_get_register(rdev, &reg, &enable_ctrl);
if (ret)
return ret;
- return s5m_reg_update(s5m8767->iodev, reg, ~pattern, mask);
+ return s5m_reg_update(s5m8767->iodev, reg, ~mask, mask);
}
static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg)
@@ -297,7 +346,10 @@ static int s5m8767_convert_voltage_to_sel(
if (max_vol < desc->min || min_vol > desc->max)
return -EINVAL;
- selector = (min_vol - desc->min) / desc->step;
+ if (min_vol < desc->min)
+ min_vol = desc->min;
+
+ selector = DIV_ROUND_UP(min_vol - desc->min, desc->step);
if (desc->min + desc->step * selector > max_vol)
return -EINVAL;
@@ -305,14 +357,33 @@ static int s5m8767_convert_voltage_to_sel(
return selector;
}
+static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
+{
+ int temp_index = s5m8767->buck_gpioindex;
+
+ gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
+ gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
+ gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
+}
+
+static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
+{
+ int temp_index = s5m8767->buck_gpioindex;
+
+ gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
+ gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
+ gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
+}
+
static int s5m8767_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
- int sel, reg, mask, ret;
+ int sel, reg, mask, ret = 0, old_index, index = 0;
u8 val;
+ u8 *buck234_vol = NULL;
switch (reg_id) {
case S5M8767_LDO1 ... S5M8767_LDO28:
@@ -320,6 +391,12 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
break;
case S5M8767_BUCK1 ... S5M8767_BUCK6:
mask = 0xff;
+ if (reg_id == S5M8767_BUCK2 && s5m8767->buck2_gpiodvs)
+ buck234_vol = &s5m8767->buck2_vol[0];
+ else if (reg_id == S5M8767_BUCK3 && s5m8767->buck3_gpiodvs)
+ buck234_vol = &s5m8767->buck3_vol[0];
+ else if (reg_id == S5M8767_BUCK4 && s5m8767->buck4_gpiodvs)
+ buck234_vol = &s5m8767->buck4_vol[0];
break;
case S5M8767_BUCK7 ... S5M8767_BUCK8:
return -EINVAL;
@@ -336,102 +413,32 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
if (sel < 0)
return sel;
- ret = s5m8767_get_voltage_register(rdev, &reg);
- if (ret)
- return ret;
-
- s5m_reg_read(s5m8767->iodev, reg, &val);
- val &= ~mask;
- val |= sel;
-
- ret = s5m_reg_write(s5m8767->iodev, reg, val);
- *selector = sel;
-
- return ret;
-}
-
-static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
-{
- int temp_index = s5m8767->buck_gpioindex;
-
- gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
- gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
- gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
-}
-
-static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
-{
- int temp_index = s5m8767->buck_gpioindex;
-
- gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
- gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
- gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
-}
-
-static int s5m8767_set_voltage_buck(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
- int reg_id = rdev_get_id(rdev);
- const struct s5m_voltage_desc *desc;
- int new_val, old_val, i = 0;
-
- if (reg_id < S5M8767_BUCK1 || reg_id > S5M8767_BUCK6)
- return -EINVAL;
-
- switch (reg_id) {
- case S5M8767_BUCK1:
- return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
- case S5M8767_BUCK2 ... S5M8767_BUCK4:
- break;
- case S5M8767_BUCK5 ... S5M8767_BUCK6:
- return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
- case S5M8767_BUCK9:
- return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
- }
+ /* buck234_vol != NULL means to control buck234 voltage via DVS GPIO */
+ if (buck234_vol) {
+ while (*buck234_vol != sel) {
+ buck234_vol++;
+ index++;
+ }
+ old_index = s5m8767->buck_gpioindex;
+ s5m8767->buck_gpioindex = index;
+
+ if (index > old_index)
+ s5m8767_set_high(s5m8767);
+ else
+ s5m8767_set_low(s5m8767);
+ } else {
+ ret = s5m8767_get_voltage_register(rdev, &reg);
+ if (ret)
+ return ret;
- desc = reg_voltage_map[reg_id];
- new_val = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
- if (new_val < 0)
- return new_val;
+ s5m_reg_read(s5m8767->iodev, reg, &val);
+ val = (val & ~mask) | sel;
- switch (reg_id) {
- case S5M8767_BUCK2:
- if (s5m8767->buck2_gpiodvs) {
- while (s5m8767->buck2_vol[i] != new_val)
- i++;
- } else
- return s5m8767_set_voltage(rdev, min_uV,
- max_uV, selector);
- break;
- case S5M8767_BUCK3:
- if (s5m8767->buck3_gpiodvs) {
- while (s5m8767->buck3_vol[i] != new_val)
- i++;
- } else
- return s5m8767_set_voltage(rdev, min_uV,
- max_uV, selector);
- break;
- case S5M8767_BUCK4:
- if (s5m8767->buck3_gpiodvs) {
- while (s5m8767->buck4_vol[i] != new_val)
- i++;
- } else
- return s5m8767_set_voltage(rdev, min_uV,
- max_uV, selector);
- break;
+ ret = s5m_reg_write(s5m8767->iodev, reg, val);
}
- old_val = s5m8767->buck_gpioindex;
- s5m8767->buck_gpioindex = i;
-
- if (i > old_val)
- s5m8767_set_high(s5m8767);
- else
- s5m8767_set_low(s5m8767);
-
- *selector = new_val;
- return 0;
+ *selector = sel;
+ return ret;
}
static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
@@ -450,7 +457,7 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
return 0;
}
-static struct regulator_ops s5m8767_ldo_ops = {
+static struct regulator_ops s5m8767_ops = {
.list_voltage = s5m8767_list_voltage,
.is_enabled = s5m8767_reg_is_enabled,
.enable = s5m8767_reg_enable,
@@ -460,75 +467,59 @@ static struct regulator_ops s5m8767_ldo_ops = {
.set_voltage_time_sel = s5m8767_set_voltage_time_sel,
};
-static struct regulator_ops s5m8767_buck_ops = {
- .list_voltage = s5m8767_list_voltage,
- .is_enabled = s5m8767_reg_is_enabled,
- .enable = s5m8767_reg_enable,
- .disable = s5m8767_reg_disable,
- .get_voltage_sel = s5m8767_get_voltage_sel,
- .set_voltage = s5m8767_set_voltage_buck,
- .set_voltage_time_sel = s5m8767_set_voltage_time_sel,
-};
-
-#define regulator_desc_ldo(num) { \
- .name = "LDO"#num, \
- .id = S5M8767_LDO##num, \
- .ops = &s5m8767_ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
-}
-#define regulator_desc_buck(num) { \
- .name = "BUCK"#num, \
- .id = S5M8767_BUCK##num, \
- .ops = &s5m8767_buck_ops, \
+#define s5m8767_regulator_desc(_name) { \
+ .name = #_name, \
+ .id = S5M8767_##_name, \
+ .ops = &s5m8767_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}
static struct regulator_desc regulators[] = {
- regulator_desc_ldo(1),
- regulator_desc_ldo(2),
- regulator_desc_ldo(3),
- regulator_desc_ldo(4),
- regulator_desc_ldo(5),
- regulator_desc_ldo(6),
- regulator_desc_ldo(7),
- regulator_desc_ldo(8),
- regulator_desc_ldo(9),
- regulator_desc_ldo(10),
- regulator_desc_ldo(11),
- regulator_desc_ldo(12),
- regulator_desc_ldo(13),
- regulator_desc_ldo(14),
- regulator_desc_ldo(15),
- regulator_desc_ldo(16),
- regulator_desc_ldo(17),
- regulator_desc_ldo(18),
- regulator_desc_ldo(19),
- regulator_desc_ldo(20),
- regulator_desc_ldo(21),
- regulator_desc_ldo(22),
- regulator_desc_ldo(23),
- regulator_desc_ldo(24),
- regulator_desc_ldo(25),
- regulator_desc_ldo(26),
- regulator_desc_ldo(27),
- regulator_desc_ldo(28),
- regulator_desc_buck(1),
- regulator_desc_buck(2),
- regulator_desc_buck(3),
- regulator_desc_buck(4),
- regulator_desc_buck(5),
- regulator_desc_buck(6),
- regulator_desc_buck(7),
- regulator_desc_buck(8),
- regulator_desc_buck(9),
+ s5m8767_regulator_desc(LDO1),
+ s5m8767_regulator_desc(LDO2),
+ s5m8767_regulator_desc(LDO3),
+ s5m8767_regulator_desc(LDO4),
+ s5m8767_regulator_desc(LDO5),
+ s5m8767_regulator_desc(LDO6),
+ s5m8767_regulator_desc(LDO7),
+ s5m8767_regulator_desc(LDO8),
+ s5m8767_regulator_desc(LDO9),
+ s5m8767_regulator_desc(LDO10),
+ s5m8767_regulator_desc(LDO11),
+ s5m8767_regulator_desc(LDO12),
+ s5m8767_regulator_desc(LDO13),
+ s5m8767_regulator_desc(LDO14),
+ s5m8767_regulator_desc(LDO15),
+ s5m8767_regulator_desc(LDO16),
+ s5m8767_regulator_desc(LDO17),
+ s5m8767_regulator_desc(LDO18),
+ s5m8767_regulator_desc(LDO19),
+ s5m8767_regulator_desc(LDO20),
+ s5m8767_regulator_desc(LDO21),
+ s5m8767_regulator_desc(LDO22),
+ s5m8767_regulator_desc(LDO23),
+ s5m8767_regulator_desc(LDO24),
+ s5m8767_regulator_desc(LDO25),
+ s5m8767_regulator_desc(LDO26),
+ s5m8767_regulator_desc(LDO27),
+ s5m8767_regulator_desc(LDO28),
+ s5m8767_regulator_desc(BUCK1),
+ s5m8767_regulator_desc(BUCK2),
+ s5m8767_regulator_desc(BUCK3),
+ s5m8767_regulator_desc(BUCK4),
+ s5m8767_regulator_desc(BUCK5),
+ s5m8767_regulator_desc(BUCK6),
+ s5m8767_regulator_desc(BUCK7),
+ s5m8767_regulator_desc(BUCK8),
+ s5m8767_regulator_desc(BUCK9),
};
static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
{
struct s5m87xx_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct s5m_platform_data *pdata = dev_get_platdata(iodev->dev);
+ struct regulator_config config = { };
struct regulator_dev **rdev;
struct s5m8767_info *s5m8767;
int i, ret, size;
@@ -586,6 +577,7 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
s5m8767->buck2_ramp = pdata->buck2_ramp_enable;
s5m8767->buck3_ramp = pdata->buck3_ramp_enable;
s5m8767->buck4_ramp = pdata->buck4_ramp_enable;
+ s5m8767->opmode = pdata->opmode;
for (i = 0; i < 8; i++) {
if (s5m8767->buck2_gpiodvs) {
@@ -723,8 +715,11 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
regulators[id].n_voltages =
(desc->max - desc->min) / desc->step + 1;
- rdev[i] = regulator_register(&regulators[id], s5m8767->dev,
- pdata->regulators[i].initdata, s5m8767, NULL);
+ config.dev = s5m8767->dev;
+ config.init_data = pdata->regulators[i].initdata;
+ config.driver_data = s5m8767;
+
+ rdev[i] = regulator_register(&regulators[id], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
dev_err(s5m8767->dev, "regulator init failed for %d\n",
diff --git a/drivers/regulator/tps6105x-regulator.c b/drivers/regulator/tps6105x-regulator.c
index d9278da18a9e..d840d8440a91 100644
--- a/drivers/regulator/tps6105x-regulator.c
+++ b/drivers/regulator/tps6105x-regulator.c
@@ -123,7 +123,7 @@ static struct regulator_ops tps6105x_regulator_ops = {
.list_voltage = tps6105x_regulator_list_voltage,
};
-static struct regulator_desc tps6105x_regulator_desc = {
+static const struct regulator_desc tps6105x_regulator_desc = {
.name = "tps6105x-boost",
.ops = &tps6105x_regulator_ops,
.type = REGULATOR_VOLTAGE,
@@ -139,6 +139,7 @@ static int __devinit tps6105x_regulator_probe(struct platform_device *pdev)
{
struct tps6105x *tps6105x = dev_get_platdata(&pdev->dev);
struct tps6105x_platform_data *pdata = tps6105x->pdata;
+ struct regulator_config config = { };
int ret;
/* This instance is not set for regulator mode so bail out */
@@ -148,11 +149,13 @@ static int __devinit tps6105x_regulator_probe(struct platform_device *pdev)
return 0;
}
+ config.dev = &tps6105x->client->dev;
+ config.init_data = pdata->regulator_data;
+ config.driver_data = tps6105x;
+
/* Register regulator with framework */
tps6105x->regulator = regulator_register(&tps6105x_regulator_desc,
- &tps6105x->client->dev,
- pdata->regulator_data, tps6105x,
- NULL);
+ &config);
if (IS_ERR(tps6105x->regulator)) {
ret = PTR_ERR(tps6105x->regulator);
dev_err(&tps6105x->client->dev,
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index e2ec73068ee2..e534269ed44a 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -1,7 +1,7 @@
/*
* tps62360.c -- TI tps62360
*
- * Driver for processor core supply tps62360 and tps62361B
+ * Driver for processor core supply tps62360, tps62361B, tps62362 and tps62363.
*
* Copyright (c) 2012, NVIDIA Corporation.
*
@@ -26,13 +26,16 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/of_regulator.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps62360.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/regmap.h>
@@ -46,20 +49,20 @@
#define REG_RAMPCTRL 6
#define REG_CHIPID 8
-enum chips {TPS62360, TPS62361};
+#define FORCE_PWM_ENABLE BIT(7)
-#define TPS62360_BASE_VOLTAGE 770
+enum chips {TPS62360, TPS62361, TPS62362, TPS62363};
+
+#define TPS62360_BASE_VOLTAGE 770000
#define TPS62360_N_VOLTAGES 64
-#define TPS62361_BASE_VOLTAGE 500
+#define TPS62361_BASE_VOLTAGE 500000
#define TPS62361_N_VOLTAGES 128
/* tps 62360 chip information */
struct tps62360_chip {
- const char *name;
struct device *dev;
struct regulator_desc desc;
- struct i2c_client *client;
struct regulator_dev *rdev;
struct regmap *regmap;
int chip_id;
@@ -68,12 +71,12 @@ struct tps62360_chip {
int voltage_base;
u8 voltage_reg_mask;
bool en_internal_pulldn;
- bool en_force_pwm;
bool en_discharge;
bool valid_gpios;
int lru_index[4];
int curr_vset_vsel[4];
int curr_vset_id;
+ int change_uv_per_us;
};
/*
@@ -99,6 +102,7 @@ static bool find_voltage_set_register(struct tps62360_chip *tps,
bool found = false;
int new_vset_reg = tps->lru_index[3];
int found_index = 3;
+
for (i = 0; i < 4; ++i) {
if (tps->curr_vset_vsel[tps->lru_index[i]] == req_vsel) {
new_vset_reg = tps->lru_index[i];
@@ -117,7 +121,7 @@ update_lru_index:
return found;
}
-static int tps62360_dcdc_get_voltage(struct regulator_dev *dev)
+static int tps62360_dcdc_get_voltage_sel(struct regulator_dev *dev)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
int vsel;
@@ -126,196 +130,312 @@ static int tps62360_dcdc_get_voltage(struct regulator_dev *dev)
ret = regmap_read(tps->regmap, REG_VSET0 + tps->curr_vset_id, &data);
if (ret < 0) {
- dev_err(tps->dev, "%s: Error in reading register %d\n",
- __func__, REG_VSET0 + tps->curr_vset_id);
+ dev_err(tps->dev, "%s(): register %d read failed with err %d\n",
+ __func__, REG_VSET0 + tps->curr_vset_id, ret);
return ret;
}
vsel = (int)data & tps->voltage_reg_mask;
- return (tps->voltage_base + vsel * 10) * 1000;
+ return vsel;
}
-static int tps62360_dcdc_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
+static int tps62360_dcdc_set_voltage_sel(struct regulator_dev *dev,
+ unsigned selector)
{
struct tps62360_chip *tps = rdev_get_drvdata(dev);
- int vsel;
int ret;
bool found = false;
int new_vset_id = tps->curr_vset_id;
- if (max_uV < min_uV)
- return -EINVAL;
-
- if (min_uV >
- ((tps->voltage_base + (tps->desc.n_voltages - 1) * 10) * 1000))
- return -EINVAL;
-
- if (max_uV < tps->voltage_base * 1000)
- return -EINVAL;
-
- vsel = DIV_ROUND_UP(min_uV - (tps->voltage_base * 1000), 10000);
- if (selector)
- *selector = (vsel & tps->voltage_reg_mask);
-
/*
* If gpios are available to select the VSET register then least
* recently used register for new configuration.
*/
if (tps->valid_gpios)
- found = find_voltage_set_register(tps, vsel, &new_vset_id);
+ found = find_voltage_set_register(tps, selector, &new_vset_id);
if (!found) {
ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
- tps->voltage_reg_mask, vsel);
+ tps->voltage_reg_mask, selector);
if (ret < 0) {
- dev_err(tps->dev, "%s: Error in updating register %d\n",
- __func__, REG_VSET0 + new_vset_id);
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_VSET0 + new_vset_id, ret);
return ret;
}
tps->curr_vset_id = new_vset_id;
- tps->curr_vset_vsel[new_vset_id] = vsel;
+ tps->curr_vset_vsel[new_vset_id] = selector;
}
/* Select proper VSET register vio gpios */
if (tps->valid_gpios) {
- gpio_set_value_cansleep(tps->vsel0_gpio,
- new_vset_id & 0x1);
+ gpio_set_value_cansleep(tps->vsel0_gpio, new_vset_id & 0x1);
gpio_set_value_cansleep(tps->vsel1_gpio,
(new_vset_id >> 1) & 0x1);
}
return 0;
}
-static int tps62360_dcdc_list_voltage(struct regulator_dev *dev,
- unsigned selector)
+static int tps62360_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector, unsigned int new_selector)
{
- struct tps62360_chip *tps = rdev_get_drvdata(dev);
+ struct tps62360_chip *tps = rdev_get_drvdata(rdev);
+ int old_uV, new_uV;
- if (selector >= tps->desc.n_voltages)
- return -EINVAL;
- return (tps->voltage_base + selector * 10) * 1000;
+ old_uV = regulator_list_voltage_linear(rdev, old_selector);
+ if (old_uV < 0)
+ return old_uV;
+
+ new_uV = regulator_list_voltage_linear(rdev, new_selector);
+ if (new_uV < 0)
+ return new_uV;
+
+ return DIV_ROUND_UP(abs(old_uV - new_uV), tps->change_uv_per_us);
}
-static struct regulator_ops tps62360_dcdc_ops = {
- .get_voltage = tps62360_dcdc_get_voltage,
- .set_voltage = tps62360_dcdc_set_voltage,
- .list_voltage = tps62360_dcdc_list_voltage,
-};
+static int tps62360_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct tps62360_chip *tps = rdev_get_drvdata(rdev);
+ int i;
+ int val;
+ int ret;
+
+ /* Enable force PWM mode in FAST mode only. */
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = FORCE_PWM_ENABLE;
+ break;
+
+ case REGULATOR_MODE_NORMAL:
+ val = 0;
+ break;
-static int tps62360_init_force_pwm(struct tps62360_chip *tps,
- struct tps62360_regulator_platform_data *pdata,
- int vset_id)
+ default:
+ return -EINVAL;
+ }
+
+ if (!tps->valid_gpios) {
+ ret = regmap_update_bits(tps->regmap,
+ REG_VSET0 + tps->curr_vset_id, FORCE_PWM_ENABLE, val);
+ if (ret < 0)
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_VSET0 + tps->curr_vset_id, ret);
+ return ret;
+ }
+
+ /* If gpios are valid then all register set need to be control */
+ for (i = 0; i < 4; ++i) {
+ ret = regmap_update_bits(tps->regmap,
+ REG_VSET0 + i, FORCE_PWM_ENABLE, val);
+ if (ret < 0) {
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_VSET0 + i, ret);
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static unsigned int tps62360_get_mode(struct regulator_dev *rdev)
{
+ struct tps62360_chip *tps = rdev_get_drvdata(rdev);
unsigned int data;
int ret;
- ret = regmap_read(tps->regmap, REG_VSET0 + vset_id, &data);
+
+ ret = regmap_read(tps->regmap, REG_VSET0 + tps->curr_vset_id, &data);
if (ret < 0) {
- dev_err(tps->dev, "%s() fails in writing reg %d\n",
- __func__, REG_VSET0 + vset_id);
+ dev_err(tps->dev, "%s(): register %d read failed with err %d\n",
+ __func__, REG_VSET0 + tps->curr_vset_id, ret);
return ret;
}
- tps->curr_vset_vsel[vset_id] = data & tps->voltage_reg_mask;
- if (pdata->en_force_pwm)
- data |= BIT(7);
- else
- data &= ~BIT(7);
- ret = regmap_write(tps->regmap, REG_VSET0 + vset_id, data);
- if (ret < 0)
- dev_err(tps->dev, "%s() fails in writing reg %d\n",
- __func__, REG_VSET0 + vset_id);
- return ret;
+ return (data & FORCE_PWM_ENABLE) ?
+ REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
}
-static int tps62360_init_dcdc(struct tps62360_chip *tps,
+static struct regulator_ops tps62360_dcdc_ops = {
+ .get_voltage_sel = tps62360_dcdc_get_voltage_sel,
+ .set_voltage_sel = tps62360_dcdc_set_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .set_voltage_time_sel = tps62360_set_voltage_time_sel,
+ .set_mode = tps62360_set_mode,
+ .get_mode = tps62360_get_mode,
+};
+
+static int __devinit tps62360_init_dcdc(struct tps62360_chip *tps,
struct tps62360_regulator_platform_data *pdata)
{
int ret;
- int i;
+ unsigned int ramp_ctrl;
- /* Initailize internal pull up/down control */
+ /* Initialize internal pull up/down control */
if (tps->en_internal_pulldn)
ret = regmap_write(tps->regmap, REG_CONTROL, 0xE0);
else
ret = regmap_write(tps->regmap, REG_CONTROL, 0x0);
if (ret < 0) {
- dev_err(tps->dev, "%s() fails in writing reg %d\n",
- __func__, REG_CONTROL);
+ dev_err(tps->dev,
+ "%s(): register %d write failed with err %d\n",
+ __func__, REG_CONTROL, ret);
return ret;
}
- /* Initailize force PWM mode */
- if (tps->valid_gpios) {
- for (i = 0; i < 4; ++i) {
- ret = tps62360_init_force_pwm(tps, pdata, i);
- if (ret < 0)
- return ret;
- }
- } else {
- ret = tps62360_init_force_pwm(tps, pdata, tps->curr_vset_id);
- if (ret < 0)
- return ret;
- }
-
/* Reset output discharge path to reduce power consumption */
ret = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), 0);
- if (ret < 0)
- dev_err(tps->dev, "%s() fails in updating reg %d\n",
- __func__, REG_RAMPCTRL);
+ if (ret < 0) {
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_RAMPCTRL, ret);
+ return ret;
+ }
+
+ /* Get ramp value from ramp control register */
+ ret = regmap_read(tps->regmap, REG_RAMPCTRL, &ramp_ctrl);
+ if (ret < 0) {
+ dev_err(tps->dev,
+ "%s(): register %d read failed with err %d\n",
+ __func__, REG_RAMPCTRL, ret);
+ return ret;
+ }
+ ramp_ctrl = (ramp_ctrl >> 4) & 0x7;
+
+ /* ramp mV/us = 32/(2^ramp_ctrl) */
+ tps->change_uv_per_us = DIV_ROUND_UP(32000, BIT(ramp_ctrl));
return ret;
}
static const struct regmap_config tps62360_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = REG_CHIPID,
+ .cache_type = REGCACHE_RBTREE,
};
+static struct tps62360_regulator_platform_data *
+ of_get_tps62360_platform_data(struct device *dev)
+{
+ struct tps62360_regulator_platform_data *pdata;
+ struct device_node *np = dev->of_node;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata) {
+ dev_err(dev, "Memory alloc failed for platform data\n");
+ return NULL;
+ }
+
+ pdata->reg_init_data = of_get_regulator_init_data(dev, dev->of_node);
+ if (!pdata->reg_init_data) {
+ dev_err(dev, "Not able to get OF regulator init data\n");
+ return NULL;
+ }
+
+ pdata->vsel0_gpio = of_get_named_gpio(np, "vsel0-gpio", 0);
+ pdata->vsel1_gpio = of_get_named_gpio(np, "vsel1-gpio", 0);
+
+ if (of_find_property(np, "ti,vsel0-state-high", NULL))
+ pdata->vsel0_def_state = 1;
+
+ if (of_find_property(np, "ti,vsel1-state-high", NULL))
+ pdata->vsel1_def_state = 1;
+
+ if (of_find_property(np, "ti,enable-pull-down", NULL))
+ pdata->en_internal_pulldn = true;
+
+ if (of_find_property(np, "ti,enable-vout-discharge", NULL))
+ pdata->en_discharge = true;
+
+ return pdata;
+}
+
+#if defined(CONFIG_OF)
+static const struct of_device_id tps62360_of_match[] = {
+ { .compatible = "ti,tps62360", .data = (void *)TPS62360},
+ { .compatible = "ti,tps62361", .data = (void *)TPS62361},
+ { .compatible = "ti,tps62362", .data = (void *)TPS62362},
+ { .compatible = "ti,tps62363", .data = (void *)TPS62363},
+ {},
+};
+MODULE_DEVICE_TABLE(of, tps62360_of_match);
+#endif
+
static int __devinit tps62360_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ struct regulator_config config = { };
struct tps62360_regulator_platform_data *pdata;
struct regulator_dev *rdev;
struct tps62360_chip *tps;
int ret;
int i;
+ int chip_id;
pdata = client->dev.platform_data;
+ chip_id = id->driver_data;
+
+ if (client->dev.of_node) {
+ const struct of_device_id *match;
+ match = of_match_device(of_match_ptr(tps62360_of_match),
+ &client->dev);
+ if (!match) {
+ dev_err(&client->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
+ chip_id = (int)match->data;
+ if (!pdata)
+ pdata = of_get_tps62360_platform_data(&client->dev);
+ }
+
if (!pdata) {
- dev_err(&client->dev, "%s() Err: Platform data not found\n",
+ dev_err(&client->dev, "%s(): Platform data not found\n",
__func__);
return -EIO;
}
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps) {
- dev_err(&client->dev, "%s() Err: Memory allocation fails\n",
+ dev_err(&client->dev, "%s(): Memory allocation failed\n",
__func__);
return -ENOMEM;
}
- tps->en_force_pwm = pdata->en_force_pwm;
tps->en_discharge = pdata->en_discharge;
tps->en_internal_pulldn = pdata->en_internal_pulldn;
tps->vsel0_gpio = pdata->vsel0_gpio;
tps->vsel1_gpio = pdata->vsel1_gpio;
- tps->client = client;
tps->dev = &client->dev;
- tps->name = id->name;
- tps->voltage_base = (id->driver_data == TPS62360) ?
- TPS62360_BASE_VOLTAGE : TPS62361_BASE_VOLTAGE;
- tps->voltage_reg_mask = (id->driver_data == TPS62360) ? 0x3F : 0x7F;
+
+ switch (chip_id) {
+ case TPS62360:
+ case TPS62362:
+ tps->voltage_base = TPS62360_BASE_VOLTAGE;
+ tps->voltage_reg_mask = 0x3F;
+ tps->desc.n_voltages = TPS62360_N_VOLTAGES;
+ break;
+ case TPS62361:
+ case TPS62363:
+ tps->voltage_base = TPS62361_BASE_VOLTAGE;
+ tps->voltage_reg_mask = 0x7F;
+ tps->desc.n_voltages = TPS62361_N_VOLTAGES;
+ break;
+ default:
+ return -ENODEV;
+ }
tps->desc.name = id->name;
tps->desc.id = 0;
- tps->desc.n_voltages = (id->driver_data == TPS62360) ?
- TPS62360_N_VOLTAGES : TPS62361_N_VOLTAGES;
tps->desc.ops = &tps62360_dcdc_ops;
tps->desc.type = REGULATOR_VOLTAGE;
tps->desc.owner = THIS_MODULE;
- tps->regmap = regmap_init_i2c(client, &tps62360_regmap_config);
+ tps->desc.min_uV = tps->voltage_base;
+ tps->desc.uV_step = 10000;
+
+ tps->regmap = devm_regmap_init_i2c(client, &tps62360_regmap_config);
if (IS_ERR(tps->regmap)) {
ret = PTR_ERR(tps->regmap);
- dev_err(&client->dev, "%s() Err: Failed to allocate register"
- "map: %d\n", __func__, ret);
+ dev_err(&client->dev,
+ "%s(): regmap allocation failed with err %d\n",
+ __func__, ret);
return ret;
}
i2c_set_clientdata(client, tps);
@@ -326,35 +446,26 @@ static int __devinit tps62360_probe(struct i2c_client *client,
tps->valid_gpios = false;
if (gpio_is_valid(tps->vsel0_gpio) && gpio_is_valid(tps->vsel1_gpio)) {
- ret = gpio_request(tps->vsel0_gpio, "tps62360-vsel0");
+ int gpio_flags;
+ gpio_flags = (pdata->vsel0_def_state) ?
+ GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+ ret = gpio_request_one(tps->vsel0_gpio,
+ gpio_flags, "tps62360-vsel0");
if (ret) {
dev_err(&client->dev,
- "Err: Could not obtain vsel0 GPIO %d: %d\n",
- tps->vsel0_gpio, ret);
- goto err_gpio0;
- }
- ret = gpio_direction_output(tps->vsel0_gpio,
- pdata->vsel0_def_state);
- if (ret) {
- dev_err(&client->dev, "Err: Could not set direction of"
- "vsel0 GPIO %d: %d\n", tps->vsel0_gpio, ret);
- gpio_free(tps->vsel0_gpio);
+ "%s(): Could not obtain vsel0 GPIO %d: %d\n",
+ __func__, tps->vsel0_gpio, ret);
goto err_gpio0;
}
- ret = gpio_request(tps->vsel1_gpio, "tps62360-vsel1");
+ gpio_flags = (pdata->vsel1_def_state) ?
+ GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+ ret = gpio_request_one(tps->vsel1_gpio,
+ gpio_flags, "tps62360-vsel1");
if (ret) {
dev_err(&client->dev,
- "Err: Could not obtain vsel1 GPIO %d: %d\n",
- tps->vsel1_gpio, ret);
- goto err_gpio1;
- }
- ret = gpio_direction_output(tps->vsel1_gpio,
- pdata->vsel1_def_state);
- if (ret) {
- dev_err(&client->dev, "Err: Could not set direction of"
- "vsel1 GPIO %d: %d\n", tps->vsel1_gpio, ret);
- gpio_free(tps->vsel1_gpio);
+ "%s(): Could not obtain vsel1 GPIO %d: %d\n",
+ __func__, tps->vsel1_gpio, ret);
goto err_gpio1;
}
tps->valid_gpios = true;
@@ -371,17 +482,22 @@ static int __devinit tps62360_probe(struct i2c_client *client,
ret = tps62360_init_dcdc(tps, pdata);
if (ret < 0) {
- dev_err(tps->dev, "%s() Err: Init fails with = %d\n",
+ dev_err(tps->dev, "%s(): Init failed with err = %d\n",
__func__, ret);
goto err_init;
}
+ config.dev = &client->dev;
+ config.init_data = pdata->reg_init_data;
+ config.driver_data = tps;
+ config.of_node = client->dev.of_node;
+
/* Register the regulators */
- rdev = regulator_register(&tps->desc, &client->dev,
- &pdata->reg_init_data, tps, NULL);
+ rdev = regulator_register(&tps->desc, &config);
if (IS_ERR(rdev)) {
- dev_err(tps->dev, "%s() Err: Failed to register %s\n",
- __func__, id->name);
+ dev_err(tps->dev,
+ "%s(): regulator register failed with err %s\n",
+ __func__, id->name);
ret = PTR_ERR(rdev);
goto err_init;
}
@@ -396,7 +512,6 @@ err_gpio1:
if (gpio_is_valid(tps->vsel0_gpio))
gpio_free(tps->vsel0_gpio);
err_gpio0:
- regmap_exit(tps->regmap);
return ret;
}
@@ -417,7 +532,6 @@ static int __devexit tps62360_remove(struct i2c_client *client)
gpio_free(tps->vsel0_gpio);
regulator_unregister(tps->rdev);
- regmap_exit(tps->regmap);
return 0;
}
@@ -432,13 +546,16 @@ static void tps62360_shutdown(struct i2c_client *client)
/* Configure the output discharge path */
st = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), BIT(2));
if (st < 0)
- dev_err(tps->dev, "%s() fails in updating reg %d\n",
- __func__, REG_RAMPCTRL);
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_RAMPCTRL, st);
}
static const struct i2c_device_id tps62360_id[] = {
{.name = "tps62360", .driver_data = TPS62360},
{.name = "tps62361", .driver_data = TPS62361},
+ {.name = "tps62362", .driver_data = TPS62362},
+ {.name = "tps62363", .driver_data = TPS62363},
{},
};
@@ -448,6 +565,7 @@ static struct i2c_driver tps62360_i2c_driver = {
.driver = {
.name = "tps62360",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(tps62360_of_match),
},
.probe = tps62360_probe,
.remove = __devexit_p(tps62360_remove),
@@ -468,5 +586,5 @@ static void __exit tps62360_cleanup(void)
module_exit(tps62360_cleanup);
MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
-MODULE_DESCRIPTION("TPS62360 voltage regulator driver");
+MODULE_DESCRIPTION("TPS6236x voltage regulator driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 43e4902d7af8..f841bd0db6aa 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -23,7 +23,6 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/i2c.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/regmap.h>
@@ -72,7 +71,7 @@
/* LDO_CTRL bitfields */
#define TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_id) ((ldo_id)*4)
-#define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0xF0 >> ((ldo_id)*4))
+#define TPS65023_LDO_CTRL_LDOx_MASK(ldo_id) (0x0F << ((ldo_id)*4))
/* Number of step-down converters available */
#define TPS65023_NUM_DCDC 3
@@ -139,7 +138,6 @@ struct tps_info {
/* PMIC details */
struct tps_pmic {
struct regulator_desc desc[TPS65023_NUM_REGULATOR];
- struct i2c_client *client;
struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
const struct tps_info *info[TPS65023_NUM_REGULATOR];
struct regmap *regmap;
@@ -152,96 +150,6 @@ struct tps_driver_data {
u8 core_regulator;
};
-static int tps65023_dcdc_is_enabled(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int data, dcdc = rdev_get_id(dev);
- int ret;
- u8 shift;
-
- if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
- return -EINVAL;
-
- shift = TPS65023_NUM_REGULATOR - dcdc;
- ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
-
- if (ret != 0)
- return ret;
- else
- return (data & 1<<shift) ? 1 : 0;
-}
-
-static int tps65023_ldo_is_enabled(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int data, ldo = rdev_get_id(dev);
- int ret;
- u8 shift;
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
-
- shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- ret = regmap_read(tps->regmap, TPS65023_REG_REG_CTRL, &data);
-
- if (ret != 0)
- return ret;
- else
- return (data & 1<<shift) ? 1 : 0;
-}
-
-static int tps65023_dcdc_enable(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int dcdc = rdev_get_id(dev);
- u8 shift;
-
- if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
- return -EINVAL;
-
- shift = TPS65023_NUM_REGULATOR - dcdc;
- return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
-}
-
-static int tps65023_dcdc_disable(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int dcdc = rdev_get_id(dev);
- u8 shift;
-
- if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
- return -EINVAL;
-
- shift = TPS65023_NUM_REGULATOR - dcdc;
- return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
-}
-
-static int tps65023_ldo_enable(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int ldo = rdev_get_id(dev);
- u8 shift;
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
-
- shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 1 << shift);
-}
-
-static int tps65023_ldo_disable(struct regulator_dev *dev)
-{
- struct tps_pmic *tps = rdev_get_drvdata(dev);
- int ldo = rdev_get_id(dev);
- u8 shift;
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
-
- shift = (ldo == TPS65023_LDO_1 ? 1 : 2);
- return regmap_update_bits(tps->regmap, TPS65023_REG_REG_CTRL, 1 << shift, 0);
-}
-
static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
@@ -261,50 +169,28 @@ static int tps65023_dcdc_get_voltage(struct regulator_dev *dev)
return tps->info[dcdc]->min_uV;
}
-static int tps65023_dcdc_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
+ unsigned selector)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
int dcdc = rdev_get_id(dev);
- int vsel;
int ret;
if (dcdc != tps->core_regulator)
return -EINVAL;
- if (min_uV < tps->info[dcdc]->min_uV
- || min_uV > tps->info[dcdc]->max_uV)
- return -EINVAL;
- if (max_uV < tps->info[dcdc]->min_uV
- || max_uV > tps->info[dcdc]->max_uV)
- return -EINVAL;
-
- for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) {
- int mV = tps->info[dcdc]->table[vsel];
- int uV = mV * 1000;
-
- /* Break at the first in-range value */
- if (min_uV <= uV && uV <= max_uV)
- break;
- }
- *selector = vsel;
-
- if (vsel == tps->info[dcdc]->table_len)
- goto failed;
-
- ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, vsel);
+ ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, selector);
+ if (ret)
+ goto out;
/* Tell the chip that we have changed the value in DEFCORE
* and its time to update the core voltage
*/
- regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
+ ret = regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
+ TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
+out:
return ret;
-
-failed:
- return -EINVAL;
}
static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
@@ -325,42 +211,15 @@ static int tps65023_ldo_get_voltage(struct regulator_dev *dev)
return tps->info[ldo]->table[data] * 1000;
}
-static int tps65023_ldo_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
+static int tps65023_ldo_set_voltage_sel(struct regulator_dev *dev,
+ unsigned selector)
{
struct tps_pmic *tps = rdev_get_drvdata(dev);
- int data, vsel, ldo = rdev_get_id(dev);
- int ret;
-
- if (ldo < TPS65023_LDO_1 || ldo > TPS65023_LDO_2)
- return -EINVAL;
+ int ldo_index = rdev_get_id(dev) - TPS65023_LDO_1;
- if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV)
- return -EINVAL;
- if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV)
- return -EINVAL;
-
- for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) {
- int mV = tps->info[ldo]->table[vsel];
- int uV = mV * 1000;
-
- /* Break at the first in-range value */
- if (min_uV <= uV && uV <= max_uV)
- break;
- }
-
- if (vsel == tps->info[ldo]->table_len)
- return -EINVAL;
-
- *selector = vsel;
-
- ret = regmap_read(tps->regmap, TPS65023_REG_LDO_CTRL, &data);
- if (ret != 0)
- return ret;
-
- data &= TPS65023_LDO_CTRL_LDOx_MASK(ldo - TPS65023_LDO_1);
- data |= (vsel << (TPS65023_LDO_CTRL_LDOx_SHIFT(ldo - TPS65023_LDO_1)));
- return regmap_write(tps->regmap, TPS65023_REG_LDO_CTRL, data);
+ return regmap_update_bits(tps->regmap, TPS65023_REG_LDO_CTRL,
+ TPS65023_LDO_CTRL_LDOx_MASK(ldo_index),
+ selector << TPS65023_LDO_CTRL_LDOx_SHIFT(ldo_index));
}
static int tps65023_dcdc_list_voltage(struct regulator_dev *dev,
@@ -398,21 +257,21 @@ static int tps65023_ldo_list_voltage(struct regulator_dev *dev,
/* Operations permitted on VDCDCx */
static struct regulator_ops tps65023_dcdc_ops = {
- .is_enabled = tps65023_dcdc_is_enabled,
- .enable = tps65023_dcdc_enable,
- .disable = tps65023_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_voltage = tps65023_dcdc_get_voltage,
- .set_voltage = tps65023_dcdc_set_voltage,
+ .set_voltage_sel = tps65023_dcdc_set_voltage_sel,
.list_voltage = tps65023_dcdc_list_voltage,
};
/* Operations permitted on LDOx */
static struct regulator_ops tps65023_ldo_ops = {
- .is_enabled = tps65023_ldo_is_enabled,
- .enable = tps65023_ldo_enable,
- .disable = tps65023_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_voltage = tps65023_ldo_get_voltage,
- .set_voltage = tps65023_ldo_set_voltage,
+ .set_voltage_sel = tps65023_ldo_set_voltage_sel,
.list_voltage = tps65023_ldo_list_voltage,
};
@@ -426,6 +285,7 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
{
const struct tps_driver_data *drv_data = (void *)id->driver_data;
const struct tps_info *info = drv_data->info;
+ struct regulator_config config = { };
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
struct tps_pmic *tps;
@@ -443,20 +303,19 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
if (!init_data)
return -EIO;
- tps = kzalloc(sizeof(*tps), GFP_KERNEL);
+ tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
return -ENOMEM;
- tps->regmap = regmap_init_i2c(client, &tps65023_regmap_config);
+ tps->regmap = devm_regmap_init_i2c(client, &tps65023_regmap_config);
if (IS_ERR(tps->regmap)) {
error = PTR_ERR(tps->regmap);
dev_err(&client->dev, "Failed to allocate register map: %d\n",
error);
- goto fail_alloc;
+ return error;
}
/* common for all regulators */
- tps->client = client;
tps->core_regulator = drv_data->core_regulator;
for (i = 0; i < TPS65023_NUM_REGULATOR; i++, info++, init_data++) {
@@ -471,9 +330,22 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
tps->desc[i].type = REGULATOR_VOLTAGE;
tps->desc[i].owner = THIS_MODULE;
+ tps->desc[i].enable_reg = TPS65023_REG_REG_CTRL;
+ if (i == TPS65023_LDO_1)
+ tps->desc[i].enable_mask = 1 << 1;
+ else if (i == TPS65023_LDO_2)
+ tps->desc[i].enable_mask = 1 << 2;
+ else /* DCDCx */
+ tps->desc[i].enable_mask =
+ 1 << (TPS65023_NUM_REGULATOR - i);
+
+ config.dev = &client->dev;
+ config.init_data = init_data;
+ config.driver_data = tps;
+ config.regmap = tps->regmap;
+
/* Register the regulators */
- rdev = regulator_register(&tps->desc[i], &client->dev,
- init_data, tps, NULL);
+ rdev = regulator_register(&tps->desc[i], &config);
if (IS_ERR(rdev)) {
dev_err(&client->dev, "failed to register %s\n",
id->name);
@@ -496,19 +368,9 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
fail:
while (--i >= 0)
regulator_unregister(tps->rdev[i]);
-
- regmap_exit(tps->regmap);
- fail_alloc:
- kfree(tps);
return error;
}
-/**
- * tps_65023_remove - TPS65023 driver i2c remove handler
- * @client: i2c driver client device structure
- *
- * Unregister TPS driver as an i2c client device driver
- */
static int __devexit tps_65023_remove(struct i2c_client *client)
{
struct tps_pmic *tps = i2c_get_clientdata(client);
@@ -516,10 +378,6 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
regulator_unregister(tps->rdev[i]);
-
- regmap_exit(tps->regmap);
- kfree(tps);
-
return 0;
}
@@ -638,13 +496,13 @@ static struct tps_driver_data tps65020_drv_data = {
};
static struct tps_driver_data tps65021_drv_data = {
- .info = tps65021_regs,
- .core_regulator = TPS65023_DCDC_3,
+ .info = tps65021_regs,
+ .core_regulator = TPS65023_DCDC_3,
};
static struct tps_driver_data tps65023_drv_data = {
- .info = tps65023_regs,
- .core_regulator = TPS65023_DCDC_1,
+ .info = tps65023_regs,
+ .core_regulator = TPS65023_DCDC_1,
};
static const struct i2c_device_id tps_65023_id[] = {
@@ -669,22 +527,12 @@ static struct i2c_driver tps_65023_i2c_driver = {
.id_table = tps_65023_id,
};
-/**
- * tps_65023_init
- *
- * Module init function
- */
static int __init tps_65023_init(void)
{
return i2c_add_driver(&tps_65023_i2c_driver);
}
subsys_initcall(tps_65023_init);
-/**
- * tps_65023_cleanup
- *
- * Module exit function
- */
static void __exit tps_65023_cleanup(void)
{
i2c_del_driver(&tps_65023_i2c_driver);
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 832833fe8aad..da38be1016aa 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -23,7 +23,6 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mfd/tps6507x.h>
@@ -283,7 +282,7 @@ static int tps6507x_pmic_disable(struct regulator_dev *dev)
1 << shift);
}
-static int tps6507x_pmic_get_voltage(struct regulator_dev *dev)
+static int tps6507x_pmic_get_voltage_sel(struct regulator_dev *dev)
{
struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
int data, rid = rdev_get_id(dev);
@@ -325,7 +324,7 @@ static int tps6507x_pmic_get_voltage(struct regulator_dev *dev)
return data;
data &= mask;
- return tps->info[rid]->table[data] * 1000;
+ return data;
}
static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev,
@@ -395,7 +394,7 @@ static struct regulator_ops tps6507x_pmic_ops = {
.is_enabled = tps6507x_pmic_is_enabled,
.enable = tps6507x_pmic_enable,
.disable = tps6507x_pmic_disable,
- .get_voltage = tps6507x_pmic_get_voltage,
+ .get_voltage_sel = tps6507x_pmic_get_voltage_sel,
.set_voltage_sel = tps6507x_pmic_set_voltage_sel,
.list_voltage = tps6507x_pmic_list_voltage,
};
@@ -404,6 +403,7 @@ static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
{
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
struct tps_info *info = &tps6507x_pmic_regs[0];
+ struct regulator_config config = { };
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
struct tps6507x_pmic *tps;
@@ -428,7 +428,7 @@ static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
if (!init_data)
return -EINVAL;
- tps = kzalloc(sizeof(*tps), GFP_KERNEL);
+ tps = devm_kzalloc(&pdev->dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
return -ENOMEM;
@@ -453,8 +453,11 @@ static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
tps->desc[i].type = REGULATOR_VOLTAGE;
tps->desc[i].owner = THIS_MODULE;
- rdev = regulator_register(&tps->desc[i],
- tps6507x_dev->dev, init_data, tps, NULL);
+ config.dev = tps6507x_dev->dev;
+ config.init_data = init_data;
+ config.driver_data = tps;
+
+ rdev = regulator_register(&tps->desc[i], &config);
if (IS_ERR(rdev)) {
dev_err(tps6507x_dev->dev,
"failed to register %s regulator\n",
@@ -475,8 +478,6 @@ static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
fail:
while (--i >= 0)
regulator_unregister(tps->rdev[i]);
-
- kfree(tps);
return error;
}
@@ -488,9 +489,6 @@ static int __devexit tps6507x_pmic_remove(struct platform_device *pdev)
for (i = 0; i < TPS6507X_NUM_REGULATOR; i++)
regulator_unregister(tps->rdev[i]);
-
- kfree(tps);
-
return 0;
}
diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c
new file mode 100644
index 000000000000..001ad554ac62
--- /dev/null
+++ b/drivers/regulator/tps65090-regulator.c
@@ -0,0 +1,150 @@
+/*
+ * Regulator driver for tps65090 power management chip.
+ *
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/tps65090.h>
+#include <linux/regulator/tps65090-regulator.h>
+
+struct tps65090_regulator {
+ int id;
+ /* used by regulator core */
+ struct regulator_desc desc;
+
+ /* Device */
+ struct device *dev;
+};
+
+static struct regulator_ops tps65090_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+#define tps65090_REG(_id) \
+{ \
+ .id = TPS65090_ID_##_id, \
+ .desc = { \
+ .name = tps65090_rails(_id), \
+ .id = TPS65090_ID_##_id, \
+ .ops = &tps65090_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .enable_reg = (TPS65090_ID_##_id) + 12, \
+ .enable_mask = BIT(0), \
+ }, \
+}
+
+static struct tps65090_regulator TPS65090_regulator[] = {
+ tps65090_REG(DCDC1),
+ tps65090_REG(DCDC2),
+ tps65090_REG(DCDC3),
+ tps65090_REG(FET1),
+ tps65090_REG(FET2),
+ tps65090_REG(FET3),
+ tps65090_REG(FET4),
+ tps65090_REG(FET5),
+ tps65090_REG(FET6),
+ tps65090_REG(FET7),
+};
+
+static inline struct tps65090_regulator *find_regulator_info(int id)
+{
+ struct tps65090_regulator *ri;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(TPS65090_regulator); i++) {
+ ri = &TPS65090_regulator[i];
+ if (ri->desc.id == id)
+ return ri;
+ }
+ return NULL;
+}
+
+static int __devinit tps65090_regulator_probe(struct platform_device *pdev)
+{
+ struct tps65090 *tps65090_mfd = dev_get_drvdata(pdev->dev.parent);
+ struct tps65090_regulator *ri = NULL;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+ struct tps65090_regulator_platform_data *tps_pdata;
+ int id = pdev->id;
+
+ dev_dbg(&pdev->dev, "Probing regulator %d\n", id);
+
+ ri = find_regulator_info(id);
+ if (ri == NULL) {
+ dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ return -EINVAL;
+ }
+ tps_pdata = pdev->dev.platform_data;
+ ri->dev = &pdev->dev;
+
+ config.dev = &pdev->dev;
+ config.init_data = &tps_pdata->regulator;
+ config.driver_data = ri;
+ config.regmap = tps65090_mfd->rmap;
+
+ rdev = regulator_register(&ri->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ ri->desc.name);
+ return PTR_ERR(rdev);
+ }
+
+ platform_set_drvdata(pdev, rdev);
+ return 0;
+}
+
+static int __devexit tps65090_regulator_remove(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+ regulator_unregister(rdev);
+ return 0;
+}
+
+static struct platform_driver tps65090_regulator_driver = {
+ .driver = {
+ .name = "tps65090-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps65090_regulator_probe,
+ .remove = __devexit_p(tps65090_regulator_remove),
+};
+
+static int __init tps65090_regulator_init(void)
+{
+ return platform_driver_register(&tps65090_regulator_driver);
+}
+subsys_initcall(tps65090_regulator_init);
+
+static void __exit tps65090_regulator_exit(void)
+{
+ platform_driver_unregister(&tps65090_regulator_driver);
+}
+module_exit(tps65090_regulator_exit);
+
+MODULE_DESCRIPTION("tps65090 regulator driver");
+MODULE_AUTHOR("Venu Byravarasu <vbyravarasu@nvidia.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index e39521b42772..9d371d2cbcae 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -213,65 +213,56 @@ static int tps65217_pmic_get_voltage_sel(struct regulator_dev *dev)
return selector;
}
-static int tps65217_pmic_ldo1_set_voltage_sel(struct regulator_dev *dev,
- unsigned selector)
+static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
+ unsigned selector)
{
+ int ret;
struct tps65217 *tps = rdev_get_drvdata(dev);
- int ldo = rdev_get_id(dev);
+ unsigned int rid = rdev_get_id(dev);
- if (ldo != TPS65217_LDO_1)
- return -EINVAL;
+ /* Set the voltage based on vsel value and write protect level is 2 */
+ ret = tps65217_set_bits(tps, tps->info[rid]->set_vout_reg,
+ tps->info[rid]->set_vout_mask,
+ selector, TPS65217_PROTECT_L2);
- if (selector >= tps->info[ldo]->table_len)
- return -EINVAL;
+ /* Set GO bit for DCDCx to initiate voltage transistion */
+ switch (rid) {
+ case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
+ ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
+ TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
+ TPS65217_PROTECT_L2);
+ break;
+ }
- /* Set the voltage based on vsel value and write protect level is 2 */
- return tps65217_set_bits(tps, tps->info[ldo]->set_vout_reg,
- tps->info[ldo]->set_vout_mask,
- selector, TPS65217_PROTECT_L2);
+ return ret;
}
-static int tps65217_pmic_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
+static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
+ int min_uV, int max_uV)
{
- int ret;
+
struct tps65217 *tps = rdev_get_drvdata(dev);
- unsigned int rid = rdev_get_id(dev);
+ unsigned int sel, rid = rdev_get_id(dev);
+ int ret;
- /* LDO1 implements set_voltage_sel callback */
+ /* LDO1 uses regulator_map_voltage_iterate() */
if (rid == TPS65217_LDO_1)
return -EINVAL;
if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
return -EINVAL;
- if (min_uV < tps->info[rid]->min_uV
- || min_uV > tps->info[rid]->max_uV)
+ if (min_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
return -EINVAL;
- if (max_uV < tps->info[rid]->min_uV
- || max_uV > tps->info[rid]->max_uV)
+ if (max_uV < tps->info[rid]->min_uV || max_uV > tps->info[rid]->max_uV)
return -EINVAL;
- ret = tps->info[rid]->uv_to_vsel(min_uV, selector);
+ ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
if (ret)
return ret;
- /* Set the voltage based on vsel value and write protect level is 2 */
- ret = tps65217_set_bits(tps, tps->info[rid]->set_vout_reg,
- tps->info[rid]->set_vout_mask,
- *selector, TPS65217_PROTECT_L2);
-
- /* Set GO bit for DCDCx to initiate voltage transistion */
- switch (rid) {
- case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
- ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
- TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
- TPS65217_PROTECT_L2);
- break;
- }
-
- return ret;
+ return sel;
}
static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
@@ -298,8 +289,9 @@ static struct regulator_ops tps65217_pmic_ops = {
.enable = tps65217_pmic_enable,
.disable = tps65217_pmic_disable,
.get_voltage_sel = tps65217_pmic_get_voltage_sel,
- .set_voltage = tps65217_pmic_set_voltage,
+ .set_voltage_sel = tps65217_pmic_set_voltage_sel,
.list_voltage = tps65217_pmic_list_voltage,
+ .map_voltage = tps65217_pmic_map_voltage,
};
/* Operations permitted on LDO1 */
@@ -308,11 +300,11 @@ static struct regulator_ops tps65217_pmic_ldo1_ops = {
.enable = tps65217_pmic_enable,
.disable = tps65217_pmic_disable,
.get_voltage_sel = tps65217_pmic_get_voltage_sel,
- .set_voltage_sel = tps65217_pmic_ldo1_set_voltage_sel,
+ .set_voltage_sel = tps65217_pmic_set_voltage_sel,
.list_voltage = tps65217_pmic_list_voltage,
};
-static struct regulator_desc regulators[] = {
+static const struct regulator_desc regulators[] = {
TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64),
TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64),
@@ -327,13 +319,17 @@ static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
struct tps65217 *tps;
struct tps_info *info = &tps65217_pmic_regs[pdev->id];
+ struct regulator_config config = { };
/* Already set by core driver */
tps = dev_to_tps65217(pdev->dev.parent);
tps->info[pdev->id] = info;
- rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
- pdev->dev.platform_data, tps, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = tps;
+
+ rdev = regulator_register(&regulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 4a421be6d4f2..b88b3df82381 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -458,12 +458,10 @@ static int list_voltage(struct regulator_dev *rdev, unsigned selector)
info->voltages[selector] : -EINVAL);
}
-static int set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned *selector)
+static int set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
const struct supply_info *info;
struct tps6524x *hw;
- unsigned i;
hw = rdev_get_drvdata(rdev);
info = &supply_info[rdev_get_id(rdev)];
@@ -471,20 +469,10 @@ static int set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
if (info->flags & FIXED_VOLTAGE)
return -EINVAL;
- for (i = 0; i < info->n_voltages; i++)
- if (min_uV <= info->voltages[i] &&
- max_uV >= info->voltages[i])
- break;
-
- if (i >= info->n_voltages)
- i = info->n_voltages - 1;
-
- *selector = i;
-
- return write_field(hw, &info->voltage, i);
+ return write_field(hw, &info->voltage, selector);
}
-static int get_voltage(struct regulator_dev *rdev)
+static int get_voltage_sel(struct regulator_dev *rdev)
{
const struct supply_info *info;
struct tps6524x *hw;
@@ -502,7 +490,7 @@ static int get_voltage(struct regulator_dev *rdev)
if (WARN_ON(ret >= info->n_voltages))
return -EIO;
- return info->voltages[ret];
+ return ret;
}
static int set_current_limit(struct regulator_dev *rdev, int min_uA,
@@ -587,8 +575,8 @@ static struct regulator_ops regulator_ops = {
.is_enabled = is_supply_enabled,
.enable = enable_supply,
.disable = disable_supply,
- .get_voltage = get_voltage,
- .set_voltage = set_voltage,
+ .get_voltage_sel = get_voltage_sel,
+ .set_voltage_sel = set_voltage_sel,
.list_voltage = list_voltage,
.set_current_limit = set_current_limit,
.get_current_limit = get_current_limit,
@@ -607,7 +595,6 @@ static int pmic_remove(struct spi_device *spi)
hw->rdev[i] = NULL;
}
spi_set_drvdata(spi, NULL);
- kfree(hw);
return 0;
}
@@ -617,6 +604,7 @@ static int __devinit pmic_probe(struct spi_device *spi)
struct device *dev = &spi->dev;
const struct supply_info *info = supply_info;
struct regulator_init_data *init_data;
+ struct regulator_config config = { };
int ret = 0, i;
init_data = dev->platform_data;
@@ -625,7 +613,7 @@ static int __devinit pmic_probe(struct spi_device *spi)
return -EINVAL;
}
- hw = kzalloc(sizeof(struct tps6524x), GFP_KERNEL);
+ hw = devm_kzalloc(&spi->dev, sizeof(struct tps6524x), GFP_KERNEL);
if (!hw) {
dev_err(dev, "cannot allocate regulator private data\n");
return -ENOMEM;
@@ -648,8 +636,11 @@ static int __devinit pmic_probe(struct spi_device *spi)
if (info->flags & FIXED_VOLTAGE)
hw->desc[i].n_voltages = 1;
- hw->rdev[i] = regulator_register(&hw->desc[i], dev,
- init_data, hw, NULL);
+ config.dev = dev;
+ config.init_data = init_data;
+ config.driver_data = hw;
+
+ hw->rdev[i] = regulator_register(&hw->desc[i], &config);
if (IS_ERR(hw->rdev[i])) {
ret = PTR_ERR(hw->rdev[i]);
hw->rdev[i] = NULL;
@@ -673,17 +664,7 @@ static struct spi_driver pmic_driver = {
},
};
-static int __init pmic_driver_init(void)
-{
- return spi_register_driver(&pmic_driver);
-}
-module_init(pmic_driver_init);
-
-static void __exit pmic_driver_exit(void)
-{
- spi_unregister_driver(&pmic_driver);
-}
-module_exit(pmic_driver_exit);
+module_spi_driver(pmic_driver);
MODULE_DESCRIPTION("TPS6524X PMIC Driver");
MODULE_AUTHOR("Cyril Chemparathy");
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index cfc1f16f7771..c0a214575380 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -75,8 +75,7 @@ static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
return rdev_get_dev(rdev)->parent->parent;
}
-static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
- unsigned selector)
+static int tps6586x_list_voltage(struct regulator_dev *rdev, unsigned selector)
{
struct tps6586x_regulator *info = rdev_get_drvdata(rdev);
int rid = rdev_get_id(rdev);
@@ -89,47 +88,34 @@ static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
}
-static int __tps6586x_ldo_set_voltage(struct device *parent,
- struct tps6586x_regulator *ri,
- int min_uV, int max_uV,
- unsigned *selector)
+static int tps6586x_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
- int val, uV;
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+ int ret, val, rid = rdev_get_id(rdev);
uint8_t mask;
- for (val = 0; val < ri->desc.n_voltages; val++) {
- uV = ri->voltages[val] * 1000;
-
- /* LDO0 has minimal voltage 1.2 rather than 1.25 */
- if (ri->desc.id == TPS6586X_ID_LDO_0 && val == 0)
- uV -= 50 * 1000;
-
- /* use the first in-range value */
- if (min_uV <= uV && uV <= max_uV) {
-
- *selector = val;
+ val = selector << ri->volt_shift;
+ mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
- val <<= ri->volt_shift;
- mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
+ ret = tps6586x_update(parent, ri->volt_reg, val, mask);
+ if (ret)
+ return ret;
- return tps6586x_update(parent, ri->volt_reg, val, mask);
- }
+ /* Update go bit for DVM regulators */
+ switch (rid) {
+ case TPS6586X_ID_LDO_2:
+ case TPS6586X_ID_LDO_4:
+ case TPS6586X_ID_SM_0:
+ case TPS6586X_ID_SM_1:
+ ret = tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit);
+ break;
}
-
- return -EINVAL;
-}
-
-static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
-
- return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
+ return ret;
}
-static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
+static int tps6586x_get_voltage_sel(struct regulator_dev *rdev)
{
struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_tps6586x_dev(rdev);
@@ -146,22 +132,7 @@ static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
if (val >= ri->desc.n_voltages)
BUG();
- return ri->voltages[val] * 1000;
-}
-
-static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
- struct device *parent = to_tps6586x_dev(rdev);
- int ret;
-
- ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV,
- selector);
- if (ret)
- return ret;
-
- return tps6586x_set_bits(parent, ri->go_reg, 1 << ri->go_bit);
+ return val;
}
static int tps6586x_regulator_enable(struct regulator_dev *rdev)
@@ -196,20 +167,10 @@ static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev)
return !!(reg_val & (1 << ri->enable_bit[0]));
}
-static struct regulator_ops tps6586x_regulator_ldo_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_ldo_set_voltage,
-
- .is_enabled = tps6586x_regulator_is_enabled,
- .enable = tps6586x_regulator_enable,
- .disable = tps6586x_regulator_disable,
-};
-
-static struct regulator_ops tps6586x_regulator_dvm_ops = {
- .list_voltage = tps6586x_ldo_list_voltage,
- .get_voltage = tps6586x_ldo_get_voltage,
- .set_voltage = tps6586x_dvm_set_voltage,
+static struct regulator_ops tps6586x_regulator_ops = {
+ .list_voltage = tps6586x_list_voltage,
+ .get_voltage_sel = tps6586x_get_voltage_sel,
+ .set_voltage_sel = tps6586x_set_voltage_sel,
.is_enabled = tps6586x_regulator_is_enabled,
.enable = tps6586x_regulator_enable,
@@ -241,11 +202,11 @@ static int tps6586x_dvm_voltages[] = {
1325, 1350, 1375, 1400, 1425, 1450, 1475, 1500,
};
-#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
+#define TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
.desc = { \
.name = "REG-" #_id, \
- .ops = &tps6586x_regulator_##_ops, \
+ .ops = &tps6586x_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
.id = TPS6586X_ID_##_id, \
.n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \
@@ -267,14 +228,14 @@ static int tps6586x_dvm_voltages[] = {
#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
{ \
- TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
+ TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
}
#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
{ \
- TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
+ TPS6586X_REGULATOR(_id, vdata, vreg, shift, nbits, \
ereg0, ebit0, ereg1, ebit1) \
TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \
}
@@ -384,6 +345,7 @@ static inline struct tps6586x_regulator *find_regulator_info(int id)
static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
{
struct tps6586x_regulator *ri = NULL;
+ struct regulator_config config = { };
struct regulator_dev *rdev;
int id = pdev->id;
int err;
@@ -400,8 +362,12 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
if (err)
return err;
- rdev = regulator_register(&ri->desc, &pdev->dev,
- pdev->dev.platform_data, ri, NULL);
+ config.dev = &pdev->dev;
+ config.of_node = pdev->dev.of_node;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = ri;
+
+ rdev = regulator_register(&ri->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register regulator %s\n",
ri->desc.name);
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 4a37c2b6367f..8dc3d9392bfa 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -20,10 +20,10 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65910.h>
+#include <linux/regulator/of_regulator.h>
#define TPS65910_SUPPLY_STATE_ENABLED 0x1
#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 | \
@@ -94,11 +94,11 @@ struct tps_info {
static struct tps_info tps65910_regs[] = {
{
- .name = "VRTC",
+ .name = "vrtc",
.enable_time_us = 2200,
},
{
- .name = "VIO",
+ .name = "vio",
.min_uV = 1500000,
.max_uV = 3300000,
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
@@ -106,19 +106,19 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 350,
},
{
- .name = "VDD1",
+ .name = "vdd1",
.min_uV = 600000,
.max_uV = 4500000,
.enable_time_us = 350,
},
{
- .name = "VDD2",
+ .name = "vdd2",
.min_uV = 600000,
.max_uV = 4500000,
.enable_time_us = 350,
},
{
- .name = "VDD3",
+ .name = "vdd3",
.min_uV = 5000000,
.max_uV = 5000000,
.n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
@@ -126,7 +126,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 200,
},
{
- .name = "VDIG1",
+ .name = "vdig1",
.min_uV = 1200000,
.max_uV = 2700000,
.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
@@ -134,7 +134,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VDIG2",
+ .name = "vdig2",
.min_uV = 1000000,
.max_uV = 1800000,
.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
@@ -142,7 +142,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VPLL",
+ .name = "vpll",
.min_uV = 1000000,
.max_uV = 2500000,
.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
@@ -150,7 +150,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VDAC",
+ .name = "vdac",
.min_uV = 1800000,
.max_uV = 2850000,
.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
@@ -158,7 +158,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VAUX1",
+ .name = "vaux1",
.min_uV = 1800000,
.max_uV = 2850000,
.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
@@ -166,7 +166,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VAUX2",
+ .name = "vaux2",
.min_uV = 1800000,
.max_uV = 3300000,
.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
@@ -174,7 +174,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VAUX33",
+ .name = "vaux33",
.min_uV = 1800000,
.max_uV = 3300000,
.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
@@ -182,7 +182,7 @@ static struct tps_info tps65910_regs[] = {
.enable_time_us = 100,
},
{
- .name = "VMMC",
+ .name = "vmmc",
.min_uV = 1800000,
.max_uV = 3300000,
.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
@@ -193,11 +193,11 @@ static struct tps_info tps65910_regs[] = {
static struct tps_info tps65911_regs[] = {
{
- .name = "VRTC",
+ .name = "vrtc",
.enable_time_us = 2200,
},
{
- .name = "VIO",
+ .name = "vio",
.min_uV = 1500000,
.max_uV = 3300000,
.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
@@ -205,77 +205,77 @@ static struct tps_info tps65911_regs[] = {
.enable_time_us = 350,
},
{
- .name = "VDD1",
+ .name = "vdd1",
.min_uV = 600000,
.max_uV = 4500000,
.n_voltages = 73,
.enable_time_us = 350,
},
{
- .name = "VDD2",
+ .name = "vdd2",
.min_uV = 600000,
.max_uV = 4500000,
.n_voltages = 73,
.enable_time_us = 350,
},
{
- .name = "VDDCTRL",
+ .name = "vddctrl",
.min_uV = 600000,
.max_uV = 1400000,
.n_voltages = 65,
.enable_time_us = 900,
},
{
- .name = "LDO1",
+ .name = "ldo1",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 420,
},
{
- .name = "LDO2",
+ .name = "ldo2",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 420,
},
{
- .name = "LDO3",
+ .name = "ldo3",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
- .name = "LDO4",
+ .name = "ldo4",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 47,
.enable_time_us = 230,
},
{
- .name = "LDO5",
+ .name = "ldo5",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
- .name = "LDO6",
+ .name = "ldo6",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
- .name = "LDO7",
+ .name = "ldo7",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
.enable_time_us = 230,
},
{
- .name = "LDO8",
+ .name = "ldo8",
.min_uV = 1000000,
.max_uV = 3300000,
.n_voltages = 24,
@@ -467,48 +467,6 @@ static int tps65911_get_ctrl_register(int id)
}
}
-static int tps65910_is_enabled(struct regulator_dev *dev)
-{
- struct tps65910_reg *pmic = rdev_get_drvdata(dev);
- int reg, value, id = rdev_get_id(dev);
-
- reg = pmic->get_ctrl_reg(id);
- if (reg < 0)
- return reg;
-
- value = tps65910_reg_read(pmic, reg);
- if (value < 0)
- return value;
-
- return value & TPS65910_SUPPLY_STATE_ENABLED;
-}
-
-static int tps65910_enable(struct regulator_dev *dev)
-{
- struct tps65910_reg *pmic = rdev_get_drvdata(dev);
- struct tps65910 *mfd = pmic->mfd;
- int reg, id = rdev_get_id(dev);
-
- reg = pmic->get_ctrl_reg(id);
- if (reg < 0)
- return reg;
-
- return tps65910_set_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
-}
-
-static int tps65910_disable(struct regulator_dev *dev)
-{
- struct tps65910_reg *pmic = rdev_get_drvdata(dev);
- struct tps65910 *mfd = pmic->mfd;
- int reg, id = rdev_get_id(dev);
-
- reg = pmic->get_ctrl_reg(id);
- if (reg < 0)
- return reg;
-
- return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
-}
-
static int tps65910_enable_time(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
@@ -621,10 +579,10 @@ static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
return -EINVAL;
}
-static int tps65910_get_voltage(struct regulator_dev *dev)
+static int tps65910_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
- int reg, value, id = rdev_get_id(dev), voltage = 0;
+ int reg, value, id = rdev_get_id(dev);
reg = pmic->get_ctrl_reg(id);
if (reg < 0)
@@ -651,9 +609,7 @@ static int tps65910_get_voltage(struct regulator_dev *dev)
return -EINVAL;
}
- voltage = pmic->info[id]->voltage_table[value] * 1000;
-
- return voltage;
+ return value;
}
static int tps65910_get_voltage_vdd3(struct regulator_dev *dev)
@@ -661,10 +617,10 @@ static int tps65910_get_voltage_vdd3(struct regulator_dev *dev)
return 5 * 1000 * 1000;
}
-static int tps65911_get_voltage(struct regulator_dev *dev)
+static int tps65911_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65910_reg *pmic = rdev_get_drvdata(dev);
- int step_mv, id = rdev_get_id(dev);
+ int id = rdev_get_id(dev);
u8 value, reg;
reg = pmic->get_ctrl_reg(id);
@@ -677,13 +633,6 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
case TPS65911_REG_LDO4:
value &= LDO1_SEL_MASK;
value >>= LDO_SEL_SHIFT;
- /* The first 5 values of the selector correspond to 1V */
- if (value < 5)
- value = 0;
- else
- value -= 4;
-
- step_mv = 50;
break;
case TPS65911_REG_LDO3:
case TPS65911_REG_LDO5:
@@ -692,23 +641,16 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
case TPS65911_REG_LDO8:
value &= LDO3_SEL_MASK;
value >>= LDO_SEL_SHIFT;
- /* The first 3 values of the selector correspond to 1V */
- if (value < 3)
- value = 0;
- else
- value -= 2;
-
- step_mv = 100;
break;
case TPS65910_REG_VIO:
value &= LDO_SEL_MASK;
value >>= LDO_SEL_SHIFT;
- return pmic->info[id]->voltage_table[value] * 1000;
+ break;
default:
return -EINVAL;
}
- return (LDO_MIN_VOLT + value * step_mv) * 1000;
+ return value;
}
static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
@@ -914,9 +856,9 @@ static int tps65910_set_voltage_dcdc_time_sel(struct regulator_dev *dev,
/* Regulator ops (except VRTC) */
static struct regulator_ops tps65910_ops_dcdc = {
- .is_enabled = tps65910_is_enabled,
- .enable = tps65910_enable,
- .disable = tps65910_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
@@ -927,9 +869,9 @@ static struct regulator_ops tps65910_ops_dcdc = {
};
static struct regulator_ops tps65910_ops_vdd3 = {
- .is_enabled = tps65910_is_enabled,
- .enable = tps65910_enable,
- .disable = tps65910_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
@@ -938,25 +880,25 @@ static struct regulator_ops tps65910_ops_vdd3 = {
};
static struct regulator_ops tps65910_ops = {
- .is_enabled = tps65910_is_enabled,
- .enable = tps65910_enable,
- .disable = tps65910_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
- .get_voltage = tps65910_get_voltage,
+ .get_voltage_sel = tps65910_get_voltage_sel,
.set_voltage_sel = tps65910_set_voltage_sel,
.list_voltage = tps65910_list_voltage,
};
static struct regulator_ops tps65911_ops = {
- .is_enabled = tps65910_is_enabled,
- .enable = tps65910_enable,
- .disable = tps65910_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.enable_time = tps65910_enable_time,
.set_mode = tps65910_set_mode,
.get_mode = tps65910_get_mode,
- .get_voltage = tps65911_get_voltage,
+ .get_voltage_sel = tps65911_get_voltage_sel,
.set_voltage_sel = tps65911_set_voltage_sel,
.list_voltage = tps65911_list_voltage,
};
@@ -1094,23 +1036,141 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
return ret;
}
+#ifdef CONFIG_OF
+
+static struct of_regulator_match tps65910_matches[] = {
+ { .name = "vrtc", .driver_data = (void *) &tps65910_regs[0] },
+ { .name = "vio", .driver_data = (void *) &tps65910_regs[1] },
+ { .name = "vdd1", .driver_data = (void *) &tps65910_regs[2] },
+ { .name = "vdd2", .driver_data = (void *) &tps65910_regs[3] },
+ { .name = "vdd3", .driver_data = (void *) &tps65910_regs[4] },
+ { .name = "vdig1", .driver_data = (void *) &tps65910_regs[5] },
+ { .name = "vdig2", .driver_data = (void *) &tps65910_regs[6] },
+ { .name = "vpll", .driver_data = (void *) &tps65910_regs[7] },
+ { .name = "vdac", .driver_data = (void *) &tps65910_regs[8] },
+ { .name = "vaux1", .driver_data = (void *) &tps65910_regs[9] },
+ { .name = "vaux2", .driver_data = (void *) &tps65910_regs[10] },
+ { .name = "vaux33", .driver_data = (void *) &tps65910_regs[11] },
+ { .name = "vmmc", .driver_data = (void *) &tps65910_regs[12] },
+};
+
+static struct of_regulator_match tps65911_matches[] = {
+ { .name = "vrtc", .driver_data = (void *) &tps65911_regs[0] },
+ { .name = "vio", .driver_data = (void *) &tps65911_regs[1] },
+ { .name = "vdd1", .driver_data = (void *) &tps65911_regs[2] },
+ { .name = "vdd2", .driver_data = (void *) &tps65911_regs[3] },
+ { .name = "vddctrl", .driver_data = (void *) &tps65911_regs[4] },
+ { .name = "ldo1", .driver_data = (void *) &tps65911_regs[5] },
+ { .name = "ldo2", .driver_data = (void *) &tps65911_regs[6] },
+ { .name = "ldo3", .driver_data = (void *) &tps65911_regs[7] },
+ { .name = "ldo4", .driver_data = (void *) &tps65911_regs[8] },
+ { .name = "ldo5", .driver_data = (void *) &tps65911_regs[9] },
+ { .name = "ldo6", .driver_data = (void *) &tps65911_regs[10] },
+ { .name = "ldo7", .driver_data = (void *) &tps65911_regs[11] },
+ { .name = "ldo8", .driver_data = (void *) &tps65911_regs[12] },
+};
+
+static struct tps65910_board *tps65910_parse_dt_reg_data(
+ struct platform_device *pdev,
+ struct of_regulator_match **tps65910_reg_matches)
+{
+ struct tps65910_board *pmic_plat_data;
+ struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
+ struct device_node *np = pdev->dev.parent->of_node;
+ struct device_node *regulators;
+ struct of_regulator_match *matches;
+ unsigned int prop;
+ int idx = 0, ret, count;
+
+ pmic_plat_data = devm_kzalloc(&pdev->dev, sizeof(*pmic_plat_data),
+ GFP_KERNEL);
+
+ if (!pmic_plat_data) {
+ dev_err(&pdev->dev, "Failure to alloc pdata for regulators.\n");
+ return NULL;
+ }
+
+ regulators = of_find_node_by_name(np, "regulators");
+ if (!regulators) {
+ dev_err(&pdev->dev, "regulator node not found\n");
+ return NULL;
+ }
+
+ switch (tps65910_chip_id(tps65910)) {
+ case TPS65910:
+ count = ARRAY_SIZE(tps65910_matches);
+ matches = tps65910_matches;
+ break;
+ case TPS65911:
+ count = ARRAY_SIZE(tps65911_matches);
+ matches = tps65911_matches;
+ break;
+ default:
+ dev_err(&pdev->dev, "Invalid tps chip version\n");
+ return NULL;
+ }
+
+ ret = of_regulator_match(pdev->dev.parent, regulators, matches, count);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
+ ret);
+ return NULL;
+ }
+
+ *tps65910_reg_matches = matches;
+
+ for (idx = 0; idx < count; idx++) {
+ if (!matches[idx].init_data || !matches[idx].of_node)
+ continue;
+
+ pmic_plat_data->tps65910_pmic_init_data[idx] =
+ matches[idx].init_data;
+
+ ret = of_property_read_u32(matches[idx].of_node,
+ "ti,regulator-ext-sleep-control", &prop);
+ if (!ret)
+ pmic_plat_data->regulator_ext_sleep_control[idx] = prop;
+ }
+
+ return pmic_plat_data;
+}
+#else
+static inline struct tps65910_board *tps65910_parse_dt_reg_data(
+ struct platform_device *pdev,
+ struct of_regulator_match **tps65910_reg_matches)
+{
+ *tps65910_reg_matches = NULL;
+ return 0;
+}
+#endif
+
static __devinit int tps65910_probe(struct platform_device *pdev)
{
struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
struct tps_info *info;
struct regulator_init_data *reg_data;
struct regulator_dev *rdev;
struct tps65910_reg *pmic;
struct tps65910_board *pmic_plat_data;
+ struct of_regulator_match *tps65910_reg_matches = NULL;
int i, err;
pmic_plat_data = dev_get_platdata(tps65910->dev);
- if (!pmic_plat_data)
+ if (!pmic_plat_data && tps65910->dev->of_node)
+ pmic_plat_data = tps65910_parse_dt_reg_data(pdev,
+ &tps65910_reg_matches);
+
+ if (!pmic_plat_data) {
+ dev_err(&pdev->dev, "Platform data not found\n");
return -EINVAL;
+ }
- pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
- if (!pmic)
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
+ if (!pmic) {
+ dev_err(&pdev->dev, "Memory allocation failed for pmic\n");
return -ENOMEM;
+ }
mutex_init(&pmic->mutex);
pmic->mfd = tps65910;
@@ -1134,30 +1194,29 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
info = tps65911_regs;
break;
default:
- pr_err("Invalid tps chip version\n");
- kfree(pmic);
+ dev_err(&pdev->dev, "Invalid tps chip version\n");
return -ENODEV;
}
- pmic->desc = kcalloc(pmic->num_regulators,
+ pmic->desc = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct regulator_desc), GFP_KERNEL);
if (!pmic->desc) {
- err = -ENOMEM;
- goto err_free_pmic;
+ dev_err(&pdev->dev, "Memory alloc fails for desc\n");
+ return -ENOMEM;
}
- pmic->info = kcalloc(pmic->num_regulators,
+ pmic->info = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct tps_info *), GFP_KERNEL);
if (!pmic->info) {
- err = -ENOMEM;
- goto err_free_desc;
+ dev_err(&pdev->dev, "Memory alloc fails for info\n");
+ return -ENOMEM;
}
- pmic->rdev = kcalloc(pmic->num_regulators,
+ pmic->rdev = devm_kzalloc(&pdev->dev, pmic->num_regulators *
sizeof(struct regulator_dev *), GFP_KERNEL);
if (!pmic->rdev) {
- err = -ENOMEM;
- goto err_free_info;
+ dev_err(&pdev->dev, "Memory alloc fails for rdev\n");
+ return -ENOMEM;
}
for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
@@ -1205,9 +1264,18 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
pmic->desc[i].type = REGULATOR_VOLTAGE;
pmic->desc[i].owner = THIS_MODULE;
+ pmic->desc[i].enable_reg = pmic->get_ctrl_reg(i);
+ pmic->desc[i].enable_mask = TPS65910_SUPPLY_STATE_ENABLED;
+
+ config.dev = tps65910->dev;
+ config.init_data = reg_data;
+ config.driver_data = pmic;
+ config.regmap = tps65910->regmap;
+
+ if (tps65910_reg_matches)
+ config.of_node = tps65910_reg_matches[i].of_node;
- rdev = regulator_register(&pmic->desc[i],
- tps65910->dev, reg_data, pmic, NULL);
+ rdev = regulator_register(&pmic->desc[i], &config);
if (IS_ERR(rdev)) {
dev_err(tps65910->dev,
"failed to register %s regulator\n",
@@ -1224,13 +1292,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
err_unregister_regulator:
while (--i >= 0)
regulator_unregister(pmic->rdev[i]);
- kfree(pmic->rdev);
-err_free_info:
- kfree(pmic->info);
-err_free_desc:
- kfree(pmic->desc);
-err_free_pmic:
- kfree(pmic);
return err;
}
@@ -1242,10 +1303,6 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
for (i = 0; i < pmic->num_regulators; i++)
regulator_unregister(pmic->rdev[i]);
- kfree(pmic->rdev);
- kfree(pmic->info);
- kfree(pmic->desc);
- kfree(pmic);
return 0;
}
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
index b36799b1f530..18b2a1dcb4b5 100644
--- a/drivers/regulator/tps65912-regulator.c
+++ b/drivers/regulator/tps65912-regulator.c
@@ -20,7 +20,6 @@
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
-#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65912.h>
@@ -372,12 +371,14 @@ static unsigned int tps65912_get_mode(struct regulator_dev *dev)
return mode;
}
-static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
- unsigned selector)
+static int tps65912_list_voltage(struct regulator_dev *dev, unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
int range, voltage = 0, id = rdev_get_id(dev);
+ if (id >= TPS65912_REG_LDO1 && id <= TPS65912_REG_LDO10)
+ return tps65912_vsel_to_uv_ldo(selector);
+
if (id > TPS65912_REG_DCDC4)
return -EINVAL;
@@ -404,7 +405,7 @@ static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
return voltage;
}
-static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
+static int tps65912_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
@@ -418,7 +419,7 @@ static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
vsel = tps65912_reg_read(mfd, reg);
vsel &= 0x3F;
- return tps65912_list_voltage_dcdc(dev, vsel);
+ return vsel;
}
static int tps65912_set_voltage_sel(struct regulator_dev *dev,
@@ -436,32 +437,6 @@ static int tps65912_set_voltage_sel(struct regulator_dev *dev,
return tps65912_reg_write(mfd, reg, selector | value);
}
-static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
-{
- struct tps65912_reg *pmic = rdev_get_drvdata(dev);
- struct tps65912 *mfd = pmic->mfd;
- int id = rdev_get_id(dev);
- int vsel = 0;
- u8 reg;
-
- reg = tps65912_get_sel_register(pmic, id);
- vsel = tps65912_reg_read(mfd, reg);
- vsel &= 0x3F;
-
- return tps65912_vsel_to_uv_ldo(vsel);
-}
-
-static int tps65912_list_voltage_ldo(struct regulator_dev *dev,
- unsigned selector)
-{
- int ldo = rdev_get_id(dev);
-
- if (ldo < TPS65912_REG_LDO1 || ldo > TPS65912_REG_LDO10)
- return -EINVAL;
-
- return tps65912_vsel_to_uv_ldo(selector);
-}
-
/* Operations permitted on DCDCx */
static struct regulator_ops tps65912_ops_dcdc = {
.is_enabled = tps65912_reg_is_enabled,
@@ -469,9 +444,9 @@ static struct regulator_ops tps65912_ops_dcdc = {
.disable = tps65912_reg_disable,
.set_mode = tps65912_set_mode,
.get_mode = tps65912_get_mode,
- .get_voltage = tps65912_get_voltage_dcdc,
+ .get_voltage_sel = tps65912_get_voltage_sel,
.set_voltage_sel = tps65912_set_voltage_sel,
- .list_voltage = tps65912_list_voltage_dcdc,
+ .list_voltage = tps65912_list_voltage,
};
/* Operations permitted on LDOx */
@@ -479,14 +454,15 @@ static struct regulator_ops tps65912_ops_ldo = {
.is_enabled = tps65912_reg_is_enabled,
.enable = tps65912_reg_enable,
.disable = tps65912_reg_disable,
- .get_voltage = tps65912_get_voltage_ldo,
+ .get_voltage_sel = tps65912_get_voltage_sel,
.set_voltage_sel = tps65912_set_voltage_sel,
- .list_voltage = tps65912_list_voltage_ldo,
+ .list_voltage = tps65912_list_voltage,
};
static __devinit int tps65912_probe(struct platform_device *pdev)
{
struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
struct tps_info *info;
struct regulator_init_data *reg_data;
struct regulator_dev *rdev;
@@ -500,7 +476,7 @@ static __devinit int tps65912_probe(struct platform_device *pdev)
reg_data = pmic_plat_data->tps65912_pmic_init_data;
- pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@@ -524,8 +500,12 @@ static __devinit int tps65912_probe(struct platform_device *pdev)
pmic->desc[i].type = REGULATOR_VOLTAGE;
pmic->desc[i].owner = THIS_MODULE;
range = tps65912_get_range(pmic, i);
- rdev = regulator_register(&pmic->desc[i],
- tps65912->dev, reg_data, pmic, NULL);
+
+ config.dev = tps65912->dev;
+ config.init_data = reg_data;
+ config.driver_data = pmic;
+
+ rdev = regulator_register(&pmic->desc[i], &config);
if (IS_ERR(rdev)) {
dev_err(tps65912->dev,
"failed to register %s regulator\n",
@@ -542,8 +522,6 @@ static __devinit int tps65912_probe(struct platform_device *pdev)
err:
while (--i >= 0)
regulator_unregister(pmic->rdev[i]);
-
- kfree(pmic);
return err;
}
@@ -554,8 +532,6 @@ static int __devexit tps65912_remove(struct platform_device *pdev)
for (i = 0; i < TPS65912_NUM_REGULATOR; i++)
regulator_unregister(tps65912_reg->rdev[i]);
-
- kfree(tps65912_reg);
return 0;
}
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 9cdfc389ca26..c7390711d954 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
-#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -175,15 +174,14 @@ static int twl6030reg_is_enabled(struct regulator_dev *rdev)
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0, val;
- if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
- grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
- if (grp < 0)
- return grp;
-
- if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
+ if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS))) {
+ grp = twlreg_grp(rdev);
+ if (grp < 0)
+ return grp;
grp &= P1_GRP_6030;
- else
+ } else {
grp = 1;
+ }
val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
val = TWL6030_CFG_STATE_APP(val);
@@ -197,7 +195,7 @@ static int twl4030reg_enable(struct regulator_dev *rdev)
int grp;
int ret;
- grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
@@ -205,8 +203,6 @@ static int twl4030reg_enable(struct regulator_dev *rdev)
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
- udelay(info->delay);
-
return ret;
}
@@ -217,17 +213,28 @@ static int twl6030reg_enable(struct regulator_dev *rdev)
int ret;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
- grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
grp << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_ON);
+ return ret;
+}
- udelay(info->delay);
+static int twl4030reg_enable_time(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
- return ret;
+ return info->delay;
+}
+
+static int twl6030reg_enable_time(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return info->delay;
}
static int twl4030reg_disable(struct regulator_dev *rdev)
@@ -236,7 +243,7 @@ static int twl4030reg_disable(struct regulator_dev *rdev)
int grp;
int ret;
- grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
@@ -348,7 +355,7 @@ static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
int val;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
- grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
+ grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
@@ -388,14 +395,12 @@ static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
* VAUX3 at 3V is incorrectly listed in some TI manuals as unsupported.
* TI are revising the twl5030/tps659x0 specs to support that 3.0V setting.
*/
-#ifdef CONFIG_TWL4030_ALLOW_UNSUPPORTED
-#define UNSUP_MASK 0x0000
-#else
#define UNSUP_MASK 0x8000
-#endif
#define UNSUP(x) (UNSUP_MASK | (x))
-#define IS_UNSUP(x) (UNSUP_MASK & (x))
+#define IS_UNSUP(info, x) \
+ ((UNSUP_MASK & (x)) && \
+ !((info)->features & TWL4030_ALLOW_UNSUPPORTED))
#define LDO_MV(x) (~UNSUP_MASK & (x))
@@ -469,35 +474,16 @@ static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
struct twlreg_info *info = rdev_get_drvdata(rdev);
int mV = info->table[index];
- return IS_UNSUP(mV) ? 0 : (LDO_MV(mV) * 1000);
+ return IS_UNSUP(info, mV) ? 0 : (LDO_MV(mV) * 1000);
}
static int
-twl4030ldo_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned *selector)
+twl4030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel;
- for (vsel = 0; vsel < info->table_len; vsel++) {
- int mV = info->table[vsel];
- int uV;
-
- if (IS_UNSUP(mV))
- continue;
- uV = LDO_MV(mV) * 1000;
-
- /* REVISIT for VAUX2, first match may not be best/lowest */
-
- /* use the first in-range value */
- if (min_uV <= uV && uV <= max_uV) {
- *selector = vsel;
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER,
- VREG_VOLTAGE, vsel);
- }
- }
-
- return -EDOM;
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
+ selector);
}
static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
@@ -516,12 +502,13 @@ static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
static struct regulator_ops twl4030ldo_ops = {
.list_voltage = twl4030ldo_list_voltage,
- .set_voltage = twl4030ldo_set_voltage,
+ .set_voltage_sel = twl4030ldo_set_voltage_sel,
.get_voltage = twl4030ldo_get_voltage,
.enable = twl4030reg_enable,
.disable = twl4030reg_disable,
.is_enabled = twl4030reg_is_enabled,
+ .enable_time = twl4030reg_enable_time,
.set_mode = twl4030reg_set_mode,
@@ -642,6 +629,7 @@ static struct regulator_ops twl6030ldo_ops = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
+ .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -675,6 +663,7 @@ static struct regulator_ops twl4030fixed_ops = {
.enable = twl4030reg_enable,
.disable = twl4030reg_disable,
.is_enabled = twl4030reg_is_enabled,
+ .enable_time = twl4030reg_enable_time,
.set_mode = twl4030reg_set_mode,
@@ -689,6 +678,7 @@ static struct regulator_ops twl6030fixed_ops = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
+ .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -699,6 +689,7 @@ static struct regulator_ops twl6030_fixed_resource = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
+ .enable_time = twl6030reg_enable_time,
.get_status = twl6030reg_get_status,
};
@@ -806,10 +797,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
vsel = 0;
else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
int calc_uV;
- vsel = (min_uV - 600000) / 125;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
vsel++;
calc_uV = twl6030smps_list_voltage(rdev, vsel);
if (calc_uV > max_uV)
@@ -836,10 +824,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
vsel = 0;
else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
int calc_uV;
- vsel = (min_uV - 700000) / 125;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
+ vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
vsel++;
calc_uV = twl6030smps_list_voltage(rdev, vsel);
if (calc_uV > max_uV)
@@ -862,24 +847,18 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
return -EINVAL;
break;
case SMPS_EXTENDED_EN:
- if (min_uV == 0)
+ if (min_uV == 0) {
vsel = 0;
- else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
- vsel = (min_uV - 1852000) / 386;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
+ } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
+ vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
vsel++;
}
break;
case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
- if (min_uV == 0)
+ if (min_uV == 0) {
vsel = 0;
- else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
- vsel = (min_uV - 2161000) / 386;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
+ } else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
+ vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
vsel++;
}
break;
@@ -907,6 +886,7 @@ static struct regulator_ops twlsmps_ops = {
.enable = twl6030reg_enable,
.disable = twl6030reg_disable,
.is_enabled = twl6030reg_is_enabled,
+ .enable_time = twl6030reg_enable_time,
.set_mode = twl6030reg_set_mode,
@@ -1194,6 +1174,7 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
struct twl_regulator_driver_data *drvdata;
const struct of_device_id *match;
+ struct regulator_config config = { };
match = of_match_device(twl_of_match, &pdev->dev);
if (match) {
@@ -1207,10 +1188,12 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
initdata = pdev->dev.platform_data;
for (i = 0, info = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
info = twl_of_match[i].data;
- if (!info || info->desc.id != id)
- continue;
- break;
+ if (info && info->desc.id == id)
+ break;
}
+ if (i == ARRAY_SIZE(twl_of_match))
+ return -ENODEV;
+
drvdata = initdata->driver_data;
if (!drvdata)
return -EINVAL;
@@ -1273,8 +1256,12 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
break;
}
- rdev = regulator_register(&info->desc, &pdev->dev, initdata, info,
- pdev->dev.of_node);
+ config.dev = &pdev->dev;
+ config.init_data = initdata;
+ config.driver_data = info;
+ config.of_node = pdev->dev.of_node;
+
+ rdev = regulator_register(&info->desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "can't register %s, %ld\n",
info->desc.name, PTR_ERR(rdev));
diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c
index 518667ef9a0d..a7c8deb5f28f 100644
--- a/drivers/regulator/userspace-consumer.c
+++ b/drivers/regulator/userspace-consumer.c
@@ -115,7 +115,9 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
- drvdata = kzalloc(sizeof(struct userspace_consumer_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev,
+ sizeof(struct userspace_consumer_data),
+ GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
@@ -125,16 +127,16 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
mutex_init(&drvdata->lock);
- ret = regulator_bulk_get(&pdev->dev, drvdata->num_supplies,
- drvdata->supplies);
+ ret = devm_regulator_bulk_get(&pdev->dev, drvdata->num_supplies,
+ drvdata->supplies);
if (ret) {
dev_err(&pdev->dev, "Failed to get supplies: %d\n", ret);
- goto err_alloc_supplies;
+ return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj, &attr_group);
if (ret != 0)
- goto err_create_attrs;
+ return ret;
if (pdata->init_on) {
ret = regulator_bulk_enable(drvdata->num_supplies,
@@ -154,11 +156,6 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev)
err_enable:
sysfs_remove_group(&pdev->dev.kobj, &attr_group);
-err_create_attrs:
- regulator_bulk_free(drvdata->num_supplies, drvdata->supplies);
-
-err_alloc_supplies:
- kfree(drvdata);
return ret;
}
@@ -171,9 +168,6 @@ static int regulator_userspace_consumer_remove(struct platform_device *pdev)
if (data->enabled)
regulator_bulk_disable(data->num_supplies, data->supplies);
- regulator_bulk_free(data->num_supplies, data->supplies);
- kfree(data);
-
return 0;
}
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c
index ee0b161c998f..c038e7422538 100644
--- a/drivers/regulator/virtual.c
+++ b/drivers/regulator/virtual.c
@@ -121,7 +121,7 @@ static ssize_t set_min_uV(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -147,7 +147,7 @@ static ssize_t set_max_uV(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -173,7 +173,7 @@ static ssize_t set_min_uA(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -199,7 +199,7 @@ static ssize_t set_max_uA(struct device *dev, struct device_attribute *attr,
struct virtual_consumer_data *data = dev_get_drvdata(dev);
long val;
- if (strict_strtol(buf, 10, &val) != 0)
+ if (kstrtol(buf, 10, &val) != 0)
return count;
mutex_lock(&data->lock);
@@ -291,18 +291,19 @@ static int __devinit regulator_virtual_probe(struct platform_device *pdev)
struct virtual_consumer_data *drvdata;
int ret;
- drvdata = kzalloc(sizeof(struct virtual_consumer_data), GFP_KERNEL);
+ drvdata = devm_kzalloc(&pdev->dev, sizeof(struct virtual_consumer_data),
+ GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
mutex_init(&drvdata->lock);
- drvdata->regulator = regulator_get(&pdev->dev, reg_id);
+ drvdata->regulator = devm_regulator_get(&pdev->dev, reg_id);
if (IS_ERR(drvdata->regulator)) {
ret = PTR_ERR(drvdata->regulator);
dev_err(&pdev->dev, "Failed to obtain supply '%s': %d\n",
reg_id, ret);
- goto err;
+ return ret;
}
ret = sysfs_create_group(&pdev->dev.kobj,
@@ -310,7 +311,7 @@ static int __devinit regulator_virtual_probe(struct platform_device *pdev)
if (ret != 0) {
dev_err(&pdev->dev,
"Failed to create attribute group: %d\n", ret);
- goto err_regulator;
+ return ret;
}
drvdata->mode = regulator_get_mode(drvdata->regulator);
@@ -318,12 +319,6 @@ static int __devinit regulator_virtual_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, drvdata);
return 0;
-
-err_regulator:
- regulator_put(drvdata->regulator);
-err:
- kfree(drvdata);
- return ret;
}
static int __devexit regulator_virtual_remove(struct platform_device *pdev)
@@ -334,9 +329,6 @@ static int __devexit regulator_virtual_remove(struct platform_device *pdev)
if (drvdata->enabled)
regulator_disable(drvdata->regulator);
- regulator_put(drvdata->regulator);
-
- kfree(drvdata);
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index ff810e787eac..a885911bb5fc 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -35,7 +35,7 @@
#define WM831X_DCDC_MODE_IDLE 2
#define WM831X_DCDC_MODE_STANDBY 3
-#define WM831X_DCDC_MAX_NAME 6
+#define WM831X_DCDC_MAX_NAME 9
/* Register offsets in control block */
#define WM831X_DCDC_CONTROL_1 0
@@ -50,6 +50,7 @@
struct wm831x_dcdc {
char name[WM831X_DCDC_MAX_NAME];
+ char supply_name[WM831X_DCDC_MAX_NAME];
struct regulator_desc desc;
int base;
struct wm831x *wm831x;
@@ -60,41 +61,6 @@ struct wm831x_dcdc {
int dvs_vsel;
};
-static int wm831x_dcdc_is_enabled(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
- int reg;
-
- reg = wm831x_reg_read(wm831x, WM831X_DCDC_ENABLE);
- if (reg < 0)
- return reg;
-
- if (reg & mask)
- return 1;
- else
- return 0;
-}
-
-static int wm831x_dcdc_enable(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, mask);
-}
-
-static int wm831x_dcdc_disable(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, 0);
-}
-
static unsigned int wm831x_dcdc_get_mode(struct regulator_dev *rdev)
{
@@ -414,9 +380,9 @@ static struct regulator_ops wm831x_buckv_ops = {
.set_current_limit = wm831x_buckv_set_current_limit,
.get_current_limit = wm831x_buckv_get_current_limit,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
.get_mode = wm831x_dcdc_get_mode,
.set_mode = wm831x_dcdc_set_mode,
@@ -437,23 +403,17 @@ static __devinit void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
if (!pdata || !pdata->dvs_gpio)
return;
- ret = gpio_request(pdata->dvs_gpio, "DCDC DVS");
- if (ret < 0) {
- dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
- dcdc->name, ret);
- return;
- }
-
/* gpiolib won't let us read the GPIO status so pick the higher
* of the two existing voltages so we take it as platform data.
*/
dcdc->dvs_gpio_state = pdata->dvs_init_state;
- ret = gpio_direction_output(pdata->dvs_gpio, dcdc->dvs_gpio_state);
+ ret = gpio_request_one(pdata->dvs_gpio,
+ dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0,
+ "DCDC DVS");
if (ret < 0) {
- dev_err(wm831x->dev, "Failed to enable %s DVS GPIO: %d\n",
+ dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
dcdc->name, ret);
- gpio_free(pdata->dvs_gpio);
return;
}
@@ -498,6 +458,7 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
@@ -511,9 +472,6 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
- if (pdata == NULL || pdata->dcdc[id] == NULL)
- return -ENODEV;
-
dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc),
GFP_KERNEL);
if (dcdc == NULL) {
@@ -533,11 +491,18 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
dcdc->desc.name = dcdc->name;
+
+ snprintf(dcdc->supply_name, sizeof(dcdc->supply_name),
+ "DC%dVDD", id + 1);
+ dcdc->desc.supply_name = dcdc->supply_name;
+
dcdc->desc.id = id;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.n_voltages = WM831X_BUCKV_MAX_SELECTOR + 1;
dcdc->desc.ops = &wm831x_buckv_ops;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG);
if (ret < 0) {
@@ -553,11 +518,16 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
}
dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK;
- if (pdata->dcdc[id])
+ if (pdata && pdata->dcdc[id])
wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data);
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc, NULL);
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
@@ -675,29 +645,15 @@ static int wm831x_buckp_set_suspend_voltage(struct regulator_dev *rdev,
return wm831x_buckp_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_buckp_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = dcdc->wm831x;
- u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
- int val;
-
- val = wm831x_reg_read(wm831x, reg);
- if (val < 0)
- return val;
-
- return val & WM831X_DC3_ON_VSEL_MASK;
-}
-
static struct regulator_ops wm831x_buckp_ops = {
.set_voltage = wm831x_buckp_set_voltage,
- .get_voltage_sel = wm831x_buckp_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.list_voltage = wm831x_buckp_list_voltage,
.set_suspend_voltage = wm831x_buckp_set_suspend_voltage,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
.get_mode = wm831x_dcdc_get_mode,
.set_mode = wm831x_dcdc_set_mode,
@@ -708,6 +664,7 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_dcdc *dcdc;
struct resource *res;
@@ -721,9 +678,6 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
- if (pdata == NULL || pdata->dcdc[id] == NULL)
- return -ENODEV;
-
dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc),
GFP_KERNEL);
if (dcdc == NULL) {
@@ -743,14 +697,28 @@ static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
dcdc->desc.name = dcdc->name;
+
+ snprintf(dcdc->supply_name, sizeof(dcdc->supply_name),
+ "DC%dVDD", id + 1);
+ dcdc->desc.supply_name = dcdc->supply_name;
+
dcdc->desc.id = id;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.n_voltages = WM831X_BUCKP_MAX_SELECTOR + 1;
dcdc->desc.ops = &wm831x_buckp_ops;
dcdc->desc.owner = THIS_MODULE;
-
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc, NULL);
+ dcdc->desc.vsel_reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+ dcdc->desc.vsel_mask = WM831X_DC3_ON_VSEL_MASK;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
@@ -832,15 +800,16 @@ static int wm831x_boostp_get_status(struct regulator_dev *rdev)
static struct regulator_ops wm831x_boostp_ops = {
.get_status = wm831x_boostp_get_status,
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
struct wm831x_dcdc *dcdc;
struct resource *res;
@@ -851,7 +820,7 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
if (pdata == NULL || pdata->dcdc[id] == NULL)
return -ENODEV;
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
@@ -873,9 +842,16 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.ops = &wm831x_boostp_ops;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << id;
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->dcdc[id], dcdc, NULL);
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->dcdc[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
@@ -900,7 +876,6 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
err_regulator:
regulator_unregister(dcdc->regulator);
err:
- kfree(dcdc);
return ret;
}
@@ -912,7 +887,6 @@ static __devexit int wm831x_boostp_remove(struct platform_device *pdev)
free_irq(platform_get_irq_byname(pdev, "UV"), dcdc);
regulator_unregister(dcdc->regulator);
- kfree(dcdc);
return 0;
}
@@ -936,9 +910,9 @@ static struct platform_driver wm831x_boostp_driver = {
#define WM831X_EPE_BASE 6
static struct regulator_ops wm831x_epe_ops = {
- .is_enabled = wm831x_dcdc_is_enabled,
- .enable = wm831x_dcdc_enable,
- .disable = wm831x_dcdc_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.get_status = wm831x_dcdc_get_status,
};
@@ -946,16 +920,14 @@ static __devinit int wm831x_epe_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id = pdev->id % ARRAY_SIZE(pdata->epe);
struct wm831x_dcdc *dcdc;
int ret;
dev_dbg(&pdev->dev, "Probing EPE%d\n", id + 1);
- if (pdata == NULL || pdata->epe[id] == NULL)
- return -ENODEV;
-
- dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
if (dcdc == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
return -ENOMEM;
@@ -972,9 +944,16 @@ static __devinit int wm831x_epe_probe(struct platform_device *pdev)
dcdc->desc.ops = &wm831x_epe_ops;
dcdc->desc.type = REGULATOR_VOLTAGE;
dcdc->desc.owner = THIS_MODULE;
+ dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
+ dcdc->desc.enable_mask = 1 << dcdc->desc.id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->epe[id];
+ config.driver_data = dcdc;
+ config.regmap = wm831x->regmap;
- dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
- pdata->epe[id], dcdc, NULL);
+ dcdc->regulator = regulator_register(&dcdc->desc, &config);
if (IS_ERR(dcdc->regulator)) {
ret = PTR_ERR(dcdc->regulator);
dev_err(wm831x->dev, "Failed to register EPE%d: %d\n",
@@ -987,7 +966,6 @@ static __devinit int wm831x_epe_probe(struct platform_device *pdev)
return 0;
err:
- kfree(dcdc);
return ret;
}
@@ -996,9 +974,7 @@ static __devexit int wm831x_epe_remove(struct platform_device *pdev)
struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
-
regulator_unregister(dcdc->regulator);
- kfree(dcdc);
return 0;
}
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index b414e09c5620..b50ab778b098 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -154,6 +154,7 @@ static __devinit int wm831x_isink_probe(struct platform_device *pdev)
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
struct wm831x_isink *isink;
int id = pdev->id % ARRAY_SIZE(pdata->isink);
+ struct regulator_config config = { };
struct resource *res;
int ret, irq;
@@ -189,8 +190,11 @@ static __devinit int wm831x_isink_probe(struct platform_device *pdev)
isink->desc.type = REGULATOR_CURRENT;
isink->desc.owner = THIS_MODULE;
- isink->regulator = regulator_register(&isink->desc, &pdev->dev,
- pdata->isink[id], isink, NULL);
+ config.dev = pdev->dev.parent;
+ config.init_data = pdata->isink[id];
+ config.driver_data = isink;
+
+ isink->regulator = regulator_register(&isink->desc, &config);
if (IS_ERR(isink->regulator)) {
ret = PTR_ERR(isink->regulator);
dev_err(wm831x->dev, "Failed to register ISINK%d: %d\n",
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 641e9f6499d1..aa1f8b3fbe16 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -25,7 +25,7 @@
#include <linux/mfd/wm831x/regulator.h>
#include <linux/mfd/wm831x/pdata.h>
-#define WM831X_LDO_MAX_NAME 6
+#define WM831X_LDO_MAX_NAME 9
#define WM831X_LDO_CONTROL 0
#define WM831X_LDO_ON_CONTROL 1
@@ -36,6 +36,7 @@
struct wm831x_ldo {
char name[WM831X_LDO_MAX_NAME];
+ char supply_name[WM831X_LDO_MAX_NAME];
struct regulator_desc desc;
int base;
struct wm831x *wm831x;
@@ -46,41 +47,6 @@ struct wm831x_ldo {
* Shared
*/
-static int wm831x_ldo_is_enabled(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
- int reg;
-
- reg = wm831x_reg_read(wm831x, WM831X_LDO_ENABLE);
- if (reg < 0)
- return reg;
-
- if (reg & mask)
- return 1;
- else
- return 0;
-}
-
-static int wm831x_ldo_enable(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, mask);
-}
-
-static int wm831x_ldo_disable(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int mask = 1 << rdev_get_id(rdev);
-
- return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, 0);
-}
-
static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
{
struct wm831x_ldo *ldo = data;
@@ -105,7 +71,7 @@ static int wm831x_gp_ldo_list_voltage(struct regulator_dev *rdev,
/* 0.9-1.6V in 50mV steps */
if (selector <= WM831X_GP_LDO_SELECTOR_LOW)
return 900000 + (selector * 50000);
- /* 1.7-3.3V in 50mV steps */
+ /* 1.7-3.3V in 100mV steps */
if (selector <= WM831X_GP_LDO_MAX_SELECTOR)
return 1600000 + ((selector - WM831X_GP_LDO_SELECTOR_LOW)
* 100000);
@@ -160,22 +126,6 @@ static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev,
return wm831x_gp_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_gp_ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO1_ON_VSEL_MASK;
-
- return ret;
-}
-
static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
@@ -293,7 +243,7 @@ static unsigned int wm831x_gp_ldo_get_optimum_mode(struct regulator_dev *rdev,
static struct regulator_ops wm831x_gp_ldo_ops = {
.list_voltage = wm831x_gp_ldo_list_voltage,
- .get_voltage_sel = wm831x_gp_ldo_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_gp_ldo_set_voltage,
.set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
.get_mode = wm831x_gp_ldo_get_mode,
@@ -301,15 +251,16 @@ static struct regulator_ops wm831x_gp_ldo_ops = {
.get_status = wm831x_gp_ldo_get_status,
.get_optimum_mode = wm831x_gp_ldo_get_optimum_mode,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
@@ -323,9 +274,6 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
@@ -344,14 +292,28 @@ static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_GP_LDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_gp_ldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO1_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
@@ -414,7 +376,7 @@ static int wm831x_aldo_list_voltage(struct regulator_dev *rdev,
/* 1-1.6V in 50mV steps */
if (selector <= WM831X_ALDO_SELECTOR_LOW)
return 1000000 + (selector * 50000);
- /* 1.7-3.5V in 50mV steps */
+ /* 1.7-3.5V in 100mV steps */
if (selector <= WM831X_ALDO_MAX_SELECTOR)
return 1600000 + ((selector - WM831X_ALDO_SELECTOR_LOW)
* 100000);
@@ -468,22 +430,6 @@ static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev,
return wm831x_aldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_aldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO7_ON_VSEL_MASK;
-
- return ret;
-}
-
static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
@@ -559,22 +505,23 @@ static int wm831x_aldo_get_status(struct regulator_dev *rdev)
static struct regulator_ops wm831x_aldo_ops = {
.list_voltage = wm831x_aldo_list_voltage,
- .get_voltage_sel = wm831x_aldo_get_voltage_sel,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_aldo_set_voltage,
.set_suspend_voltage = wm831x_aldo_set_suspend_voltage,
.get_mode = wm831x_aldo_get_mode,
.set_mode = wm831x_aldo_set_mode,
.get_status = wm831x_aldo_get_status,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
@@ -588,9 +535,6 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
@@ -609,14 +553,28 @@ static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_ALDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_aldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO7_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
@@ -668,15 +626,6 @@ static struct platform_driver wm831x_aldo_driver = {
#define WM831X_ALIVE_LDO_MAX_SELECTOR 0xf
-static int wm831x_alive_ldo_list_voltage(struct regulator_dev *rdev,
- unsigned int selector)
-{
- /* 0.8-1.55V in 50mV steps */
- if (selector <= WM831X_ALIVE_LDO_MAX_SELECTOR)
- return 800000 + (selector * 50000);
- return -EINVAL;
-}
-
static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev,
int reg,
int min_uV, int max_uV,
@@ -688,7 +637,7 @@ static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev,
vsel = (min_uV - 800000) / 50000;
- ret = wm831x_alive_ldo_list_voltage(rdev, vsel);
+ ret = regulator_list_voltage_linear(rdev, vsel);
if (ret < 0)
return ret;
if (ret < min_uV || ret > max_uV)
@@ -720,22 +669,6 @@ static int wm831x_alive_ldo_set_suspend_voltage(struct regulator_dev *rdev,
return wm831x_alive_ldo_set_voltage_int(rdev, reg, uV, uV, &selector);
}
-static int wm831x_alive_ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
- struct wm831x *wm831x = ldo->wm831x;
- int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
- int ret;
-
- ret = wm831x_reg_read(wm831x, reg);
- if (ret < 0)
- return ret;
-
- ret &= WM831X_LDO11_ON_VSEL_MASK;
-
- return ret;
-}
-
static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
{
struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
@@ -754,21 +687,22 @@ static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
}
static struct regulator_ops wm831x_alive_ldo_ops = {
- .list_voltage = wm831x_alive_ldo_list_voltage,
- .get_voltage_sel = wm831x_alive_ldo_get_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = wm831x_alive_ldo_set_voltage,
.set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage,
.get_status = wm831x_alive_ldo_get_status,
- .is_enabled = wm831x_ldo_is_enabled,
- .enable = wm831x_ldo_enable,
- .disable = wm831x_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
{
struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct regulator_config config = { };
int id;
struct wm831x_ldo *ldo;
struct resource *res;
@@ -783,9 +717,6 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (pdata == NULL || pdata->ldo[id] == NULL)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
@@ -804,14 +735,30 @@ static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
ldo->desc.name = ldo->name;
+
+ snprintf(ldo->supply_name, sizeof(ldo->supply_name),
+ "LDO%dVDD", id + 1);
+ ldo->desc.supply_name = ldo->supply_name;
+
ldo->desc.id = id;
ldo->desc.type = REGULATOR_VOLTAGE;
ldo->desc.n_voltages = WM831X_ALIVE_LDO_MAX_SELECTOR + 1;
ldo->desc.ops = &wm831x_alive_ldo_ops;
ldo->desc.owner = THIS_MODULE;
-
- ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
- pdata->ldo[id], ldo, NULL);
+ ldo->desc.vsel_reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
+ ldo->desc.vsel_mask = WM831X_LDO11_ON_VSEL_MASK;
+ ldo->desc.enable_reg = WM831X_LDO_ENABLE;
+ ldo->desc.enable_mask = 1 << id;
+ ldo->desc.min_uV = 800000;
+ ldo->desc.uV_step = 50000;
+
+ config.dev = pdev->dev.parent;
+ if (pdata)
+ config.init_data = pdata->ldo[id];
+ config.driver_data = ldo;
+ config.regmap = wm831x->regmap;
+
+ ldo->regulator = regulator_register(&ldo->desc, &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 05ecfb872319..94e550dc70b6 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1269,7 +1269,7 @@ static struct regulator_ops wm8350_isink_ops = {
.enable_time = wm8350_isink_enable_time,
};
-static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
+static const struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
{
.name = "DCDC1",
.id = WM8350_DCDC_1,
@@ -1398,6 +1398,7 @@ static irqreturn_t pmic_uv_handler(int irq, void *data)
static int wm8350_regulator_probe(struct platform_device *pdev)
{
struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev);
+ struct regulator_config config = { };
struct regulator_dev *rdev;
int ret;
u16 val;
@@ -1425,10 +1426,12 @@ static int wm8350_regulator_probe(struct platform_device *pdev)
break;
}
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = dev_get_drvdata(&pdev->dev);
+
/* register regulator */
- rdev = regulator_register(&wm8350_reg[pdev->id], &pdev->dev,
- pdev->dev.platform_data,
- dev_get_drvdata(&pdev->dev), NULL);
+ rdev = regulator_register(&wm8350_reg[pdev->id], &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s\n",
wm8350_reg[pdev->id].name);
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 8477153780b6..69a2b7ce5e4a 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -19,31 +19,6 @@
#include <linux/regulator/driver.h>
#include <linux/mfd/wm8400-private.h>
-static int wm8400_ldo_is_enabled(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- u16 val;
-
- val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev));
- return (val & WM8400_LDO1_ENA) != 0;
-}
-
-static int wm8400_ldo_enable(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
-
- return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev),
- WM8400_LDO1_ENA, WM8400_LDO1_ENA);
-}
-
-static int wm8400_ldo_disable(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
-
- return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev),
- WM8400_LDO1_ENA, 0);
-}
-
static int wm8400_ldo_list_voltage(struct regulator_dev *dev,
unsigned selector)
{
@@ -56,21 +31,9 @@ static int wm8400_ldo_list_voltage(struct regulator_dev *dev,
return 1600000 + ((selector - 14) * 100000);
}
-static int wm8400_ldo_get_voltage_sel(struct regulator_dev *dev)
+static int wm8400_ldo_map_voltage(struct regulator_dev *dev,
+ int min_uV, int max_uV)
{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- u16 val;
-
- val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev));
- val &= WM8400_LDO1_VSEL_MASK;
-
- return val;
-}
-
-static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
u16 val;
if (min_uV < 900000 || min_uV > 3300000)
@@ -94,92 +57,19 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
val += 0xf;
}
- *selector = val;
-
- return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev),
- WM8400_LDO1_VSEL_MASK, val);
+ return val;
}
static struct regulator_ops wm8400_ldo_ops = {
- .is_enabled = wm8400_ldo_is_enabled,
- .enable = wm8400_ldo_enable,
- .disable = wm8400_ldo_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
.list_voltage = wm8400_ldo_list_voltage,
- .get_voltage_sel = wm8400_ldo_get_voltage_sel,
- .set_voltage = wm8400_ldo_set_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .map_voltage = wm8400_ldo_map_voltage,
};
-static int wm8400_dcdc_is_enabled(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2;
- u16 val;
-
- val = wm8400_reg_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset);
- return (val & WM8400_DC1_ENA) != 0;
-}
-
-static int wm8400_dcdc_enable(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2;
-
- return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset,
- WM8400_DC1_ENA, WM8400_DC1_ENA);
-}
-
-static int wm8400_dcdc_disable(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2;
-
- return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset,
- WM8400_DC1_ENA, 0);
-}
-
-static int wm8400_dcdc_list_voltage(struct regulator_dev *dev,
- unsigned selector)
-{
- if (selector > WM8400_DC1_VSEL_MASK)
- return -EINVAL;
-
- return 850000 + (selector * 25000);
-}
-
-static int wm8400_dcdc_get_voltage_sel(struct regulator_dev *dev)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- u16 val;
- int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2;
-
- val = wm8400_reg_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset);
- val &= WM8400_DC1_VSEL_MASK;
-
- return val;
-}
-
-static int wm8400_dcdc_set_voltage(struct regulator_dev *dev,
- int min_uV, int max_uV, unsigned *selector)
-{
- struct wm8400 *wm8400 = rdev_get_drvdata(dev);
- u16 val;
- int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2;
-
- if (min_uV < 850000)
- return -EINVAL;
-
- val = DIV_ROUND_UP(min_uV - 850000, 25000);
-
- if (850000 + (25000 * val) > max_uV)
- return -EINVAL;
- BUG_ON(850000 + (25000 * val) < min_uV);
-
- *selector = val;
-
- return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset,
- WM8400_DC1_VSEL_MASK, val);
-}
-
static unsigned int wm8400_dcdc_get_mode(struct regulator_dev *dev)
{
struct wm8400 *wm8400 = rdev_get_drvdata(dev);
@@ -258,12 +148,12 @@ static unsigned int wm8400_dcdc_get_optimum_mode(struct regulator_dev *dev,
}
static struct regulator_ops wm8400_dcdc_ops = {
- .is_enabled = wm8400_dcdc_is_enabled,
- .enable = wm8400_dcdc_enable,
- .disable = wm8400_dcdc_disable,
- .list_voltage = wm8400_dcdc_list_voltage,
- .get_voltage_sel = wm8400_dcdc_get_voltage_sel,
- .set_voltage = wm8400_dcdc_set_voltage,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_mode = wm8400_dcdc_get_mode,
.set_mode = wm8400_dcdc_set_mode,
.get_optimum_mode = wm8400_dcdc_get_optimum_mode,
@@ -274,7 +164,11 @@ static struct regulator_desc regulators[] = {
.name = "LDO1",
.id = WM8400_LDO1,
.ops = &wm8400_ldo_ops,
+ .enable_reg = WM8400_LDO1_CONTROL,
+ .enable_mask = WM8400_LDO1_ENA,
.n_voltages = WM8400_LDO1_VSEL_MASK + 1,
+ .vsel_reg = WM8400_LDO1_CONTROL,
+ .vsel_mask = WM8400_LDO1_VSEL_MASK,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
@@ -282,15 +176,23 @@ static struct regulator_desc regulators[] = {
.name = "LDO2",
.id = WM8400_LDO2,
.ops = &wm8400_ldo_ops,
+ .enable_reg = WM8400_LDO2_CONTROL,
+ .enable_mask = WM8400_LDO2_ENA,
.n_voltages = WM8400_LDO2_VSEL_MASK + 1,
.type = REGULATOR_VOLTAGE,
+ .vsel_reg = WM8400_LDO2_CONTROL,
+ .vsel_mask = WM8400_LDO2_VSEL_MASK,
.owner = THIS_MODULE,
},
{
.name = "LDO3",
.id = WM8400_LDO3,
.ops = &wm8400_ldo_ops,
+ .enable_reg = WM8400_LDO3_CONTROL,
+ .enable_mask = WM8400_LDO3_ENA,
.n_voltages = WM8400_LDO3_VSEL_MASK + 1,
+ .vsel_reg = WM8400_LDO3_CONTROL,
+ .vsel_mask = WM8400_LDO3_VSEL_MASK,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
@@ -298,7 +200,11 @@ static struct regulator_desc regulators[] = {
.name = "LDO4",
.id = WM8400_LDO4,
.ops = &wm8400_ldo_ops,
+ .enable_reg = WM8400_LDO4_CONTROL,
+ .enable_mask = WM8400_LDO4_ENA,
.n_voltages = WM8400_LDO4_VSEL_MASK + 1,
+ .vsel_reg = WM8400_LDO4_CONTROL,
+ .vsel_mask = WM8400_LDO4_VSEL_MASK,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
@@ -306,7 +212,13 @@ static struct regulator_desc regulators[] = {
.name = "DCDC1",
.id = WM8400_DCDC1,
.ops = &wm8400_dcdc_ops,
+ .enable_reg = WM8400_DCDC1_CONTROL_1,
+ .enable_mask = WM8400_DC1_ENA_MASK,
.n_voltages = WM8400_DC1_VSEL_MASK + 1,
+ .vsel_reg = WM8400_DCDC1_CONTROL_1,
+ .vsel_mask = WM8400_DC1_VSEL_MASK,
+ .min_uV = 850000,
+ .uV_step = 25000,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
@@ -314,7 +226,13 @@ static struct regulator_desc regulators[] = {
.name = "DCDC2",
.id = WM8400_DCDC2,
.ops = &wm8400_dcdc_ops,
+ .enable_reg = WM8400_DCDC2_CONTROL_1,
+ .enable_mask = WM8400_DC1_ENA_MASK,
.n_voltages = WM8400_DC2_VSEL_MASK + 1,
+ .vsel_reg = WM8400_DCDC2_CONTROL_1,
+ .vsel_mask = WM8400_DC2_VSEL_MASK,
+ .min_uV = 850000,
+ .uV_step = 25000,
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
},
@@ -323,11 +241,15 @@ static struct regulator_desc regulators[] = {
static int __devinit wm8400_regulator_probe(struct platform_device *pdev)
{
struct wm8400 *wm8400 = container_of(pdev, struct wm8400, regulators[pdev->id]);
+ struct regulator_config config = { };
struct regulator_dev *rdev;
- rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
- pdev->dev.platform_data, wm8400, NULL);
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = wm8400;
+ config.regmap = wm8400->regmap;
+ rdev = regulator_register(&regulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 75ed402d9f43..9a994316e63c 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -86,36 +86,6 @@ static int wm8994_ldo1_list_voltage(struct regulator_dev *rdev,
return (selector * 100000) + 2400000;
}
-static int wm8994_ldo1_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
- int val;
-
- val = wm8994_reg_read(ldo->wm8994, WM8994_LDO_1);
- if (val < 0)
- return val;
-
- return (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT;
-}
-
-static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *s)
-{
- struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
- int selector, v;
-
- selector = (min_uV - 2400000) / 100000;
- v = wm8994_ldo1_list_voltage(rdev, selector);
- if (v < 0 || v > max_uV)
- return -EINVAL;
-
- *s = selector;
- selector <<= WM8994_LDO1_VSEL_SHIFT;
-
- return wm8994_set_bits(ldo->wm8994, WM8994_LDO_1,
- WM8994_LDO1_VSEL_MASK, selector);
-}
-
static struct regulator_ops wm8994_ldo1_ops = {
.enable = wm8994_ldo_enable,
.disable = wm8994_ldo_disable,
@@ -123,8 +93,8 @@ static struct regulator_ops wm8994_ldo1_ops = {
.enable_time = wm8994_ldo_enable_time,
.list_voltage = wm8994_ldo1_list_voltage,
- .get_voltage_sel = wm8994_ldo1_get_voltage_sel,
- .set_voltage = wm8994_ldo1_set_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
};
static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
@@ -153,51 +123,6 @@ static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
}
}
-static int wm8994_ldo2_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
- int val;
-
- val = wm8994_reg_read(ldo->wm8994, WM8994_LDO_2);
- if (val < 0)
- return val;
-
- return (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT;
-}
-
-static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *s)
-{
- struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
- int selector, v;
-
- switch (ldo->wm8994->type) {
- case WM8994:
- selector = (min_uV - 900000) / 100000;
- break;
- case WM8958:
- selector = (min_uV - 1000000) / 100000;
- break;
- case WM1811:
- selector = (min_uV - 950000) / 100000;
- if (selector == 0)
- selector = 1;
- break;
- default:
- return -EINVAL;
- }
-
- v = wm8994_ldo2_list_voltage(rdev, selector);
- if (v < 0 || v > max_uV)
- return -EINVAL;
-
- *s = selector;
- selector <<= WM8994_LDO2_VSEL_SHIFT;
-
- return wm8994_set_bits(ldo->wm8994, WM8994_LDO_2,
- WM8994_LDO2_VSEL_MASK, selector);
-}
-
static struct regulator_ops wm8994_ldo2_ops = {
.enable = wm8994_ldo_enable,
.disable = wm8994_ldo_disable,
@@ -205,16 +130,18 @@ static struct regulator_ops wm8994_ldo2_ops = {
.enable_time = wm8994_ldo_enable_time,
.list_voltage = wm8994_ldo2_list_voltage,
- .get_voltage_sel = wm8994_ldo2_get_voltage_sel,
- .set_voltage = wm8994_ldo2_set_voltage,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
};
-static struct regulator_desc wm8994_ldo_desc[] = {
+static const struct regulator_desc wm8994_ldo_desc[] = {
{
.name = "LDO1",
.id = 1,
.type = REGULATOR_VOLTAGE,
.n_voltages = WM8994_LDO1_MAX_SELECTOR + 1,
+ .vsel_reg = WM8994_LDO_1,
+ .vsel_mask = WM8994_LDO1_VSEL_MASK,
.ops = &wm8994_ldo1_ops,
.owner = THIS_MODULE,
},
@@ -223,6 +150,8 @@ static struct regulator_desc wm8994_ldo_desc[] = {
.id = 2,
.type = REGULATOR_VOLTAGE,
.n_voltages = WM8994_LDO2_MAX_SELECTOR + 1,
+ .vsel_reg = WM8994_LDO_2,
+ .vsel_mask = WM8994_LDO2_VSEL_MASK,
.ops = &wm8994_ldo2_ops,
.owner = THIS_MODULE,
},
@@ -233,14 +162,12 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
struct wm8994_pdata *pdata = wm8994->dev->platform_data;
int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ struct regulator_config config = { };
struct wm8994_ldo *ldo;
int ret;
dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
- if (!pdata)
- return -ENODEV;
-
ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_ldo), GFP_KERNEL);
if (ldo == NULL) {
dev_err(&pdev->dev, "Unable to allocate private data\n");
@@ -252,24 +179,22 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
ldo->enable = pdata->ldo[id].enable;
- ret = gpio_request(ldo->enable, "WM8994 LDO enable");
+ ret = gpio_request_one(ldo->enable, 0, "WM8994 LDO enable");
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get enable GPIO: %d\n",
ret);
goto err;
}
-
- ret = gpio_direction_output(ldo->enable, ldo->is_enabled);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to set GPIO up: %d\n",
- ret);
- goto err_gpio;
- }
} else
ldo->is_enabled = true;
- ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &pdev->dev,
- pdata->ldo[id].init_data, ldo, NULL);
+ config.dev = wm8994->dev;
+ config.driver_data = ldo;
+ config.regmap = wm8994->regmap;
+ if (pdata)
+ config.init_data = pdata->ldo[id].init_data;
+
+ ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &config);
if (IS_ERR(ldo->regulator)) {
ret = PTR_ERR(ldo->regulator);
dev_err(wm8994->dev, "Failed to register LDO%d: %d\n",