diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 14:51:57 +0000 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 14:51:57 +0000 |
commit | af32f3a414d340b0ab92e88ffb80a19632ff345e (patch) | |
tree | aa025e8d9d39967fb36f20f7674fe360db0efb98 /drivers/regulator | |
parent | d0fa9250317ff6e92a1397ebf7cf4d83014f38a6 (diff) | |
parent | 5312f321a67cfee1fe4de245bc558fa857dce33b (diff) |
Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for ROHM BD71828 PMICs and GPIOs
- Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
New Device Support:
- Add support for BD71828 to BD70528 RTC driver
- Add support for Intel's Jasper Lake to LPSS PCI
New Functionality:
- Add support for Power Key to ROHM BD71828
- Add support for Clocks to ROHM BD71828
- Add support for GPIOs to Dialog DA9062
- Add support for USB PD Notify to ChromiumOS EC
- Allow callers to specify args when requesting regmap lookup; syscon
Fix-ups:
- Improve error handling and sanity checking; atmel-hlcdc, dln2
- Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
ab8500, max14577, atmel-usart
- Match devices using platform IDs; bd7xxxx
- Refactor BD718x7 regulator component; bd718x7-regulator
- Use standard interfaces/helpers; syscon, sm501
- Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
- Remove unused code; db8500-prcmu, tqmx86
- Wait until boot has finished before accessing registers;
madera-core
- Provide missing register value defaults; cs47l15-tables
- Allow more time for hardware to reset; madera-core
Bug Fixes:
- Fix erroneous register values; rohm-bd70528
- Fix register volatility; axp20x, rn5t618
- Fix Kconfig dependencies; MFD_MAX77650
- Fix incorrect compatible string; da9062-core
- Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"
* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
mfd: wcd934x: Add support to wcd9340/wcd9341 codec
mfd: syscon: Add arguments support for syscon reference
mfd: rn5t618: Mark ADC control register volatile
dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
dt-bindings: atmel-usart: Remove wildcard
mfd: cros_ec: Add cros-usbpd-notify subdevice
mfd: da9062: Fix watchdog compatible string
mfd: madera: Allow more time for hardware reset
mfd: cs47l15: Add missing register default
mfd: madera: Wait for boot done before accessing any other registers
mfd: Kconfig: Rename Samsung to lowercase
mfd: tqmx86: remove set but not used variable 'i2c_ien'
mfd: dbx500-prcmu: Drop DSI pll clock functions
mfd: dbx500-prcmu: Drop set_display_clocks()
mfd: max77650: Select REGMAP_IRQ in Kconfig
mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
mfd: ab8500: Fix ab8500-clk typo
mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
...
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/Kconfig | 4 | ||||
-rw-r--r-- | drivers/regulator/Makefile | 1 | ||||
-rw-r--r-- | drivers/regulator/bd718x7-regulator.c | 194 | ||||
-rw-r--r-- | drivers/regulator/rohm-regulator.c | 95 |
4 files changed, 165 insertions, 129 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 97bfdd47954f..074a2ef55943 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -209,6 +209,7 @@ config REGULATOR_BD71828 config REGULATOR_BD718XX tristate "ROHM BD71837 Power Regulator" depends on MFD_ROHM_BD718XX + select REGULATOR_ROHM help This driver supports voltage regulators on ROHM BD71837 PMIC. This will enable support for the software controllable buck @@ -823,6 +824,9 @@ config REGULATOR_RN5T618 Say y here to support the regulators found on Ricoh RN5T567, RN5T618 or RC5T619 PMIC. +config REGULATOR_ROHM + tristate + config REGULATOR_RT5033 tristate "Richtek RT5033 Regulators" depends on MFD_RT5033 diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 07bc977c52b0..c0d6b96ebd78 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -102,6 +102,7 @@ obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o obj-$(CONFIG_REGULATOR_RK808) += rk808-regulator.o obj-$(CONFIG_REGULATOR_RN5T618) += rn5t618-regulator.o +obj-$(CONFIG_REGULATOR_ROHM) += rohm-regulator.o obj-$(CONFIG_REGULATOR_RT5033) += rt5033-regulator.o obj-$(CONFIG_REGULATOR_S2MPA01) += s2mpa01.o obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c index 8f9b2d8eaf10..cf3872837abc 100644 --- a/drivers/regulator/bd718x7-regulator.c +++ b/drivers/regulator/bd718x7-regulator.c @@ -318,6 +318,7 @@ struct reg_init { }; struct bd718xx_regulator_data { struct regulator_desc desc; + const struct rohm_dvs_config dvs; const struct reg_init init; const struct reg_init *additional_inits; int additional_init_amnt; @@ -349,133 +350,15 @@ static const struct reg_init bd71837_ldo6_inits[] = { }, }; -#define NUM_DVS_BUCKS 4 - -struct of_dvs_setting { - const char *prop; - unsigned int reg; -}; - -static int set_dvs_levels(const struct of_dvs_setting *dvs, - struct device_node *np, - const struct regulator_desc *desc, - struct regmap *regmap) -{ - int ret, i; - unsigned int uv; - - ret = of_property_read_u32(np, dvs->prop, &uv); - if (ret) { - if (ret != -EINVAL) - return ret; - return 0; - } - - for (i = 0; i < desc->n_voltages; i++) { - ret = regulator_desc_list_voltage_linear_range(desc, i); - if (ret < 0) - continue; - if (ret == uv) { - i <<= ffs(desc->vsel_mask) - 1; - ret = regmap_update_bits(regmap, dvs->reg, - DVS_BUCK_RUN_MASK, i); - break; - } - } - return ret; -} - -static int buck4_set_hw_dvs_levels(struct device_node *np, +static int buck_set_hw_dvs_levels(struct device_node *np, const struct regulator_desc *desc, struct regulator_config *cfg) { - int ret, i; - const struct of_dvs_setting dvs[] = { - { - .prop = "rohm,dvs-run-voltage", - .reg = BD71837_REG_BUCK4_VOLT_RUN, - }, - }; + struct bd718xx_regulator_data *data; - for (i = 0; i < ARRAY_SIZE(dvs); i++) { - ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); - if (ret) - break; - } - return ret; -} -static int buck3_set_hw_dvs_levels(struct device_node *np, - const struct regulator_desc *desc, - struct regulator_config *cfg) -{ - int ret, i; - const struct of_dvs_setting dvs[] = { - { - .prop = "rohm,dvs-run-voltage", - .reg = BD71837_REG_BUCK3_VOLT_RUN, - }, - }; + data = container_of(desc, struct bd718xx_regulator_data, desc); - for (i = 0; i < ARRAY_SIZE(dvs); i++) { - ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); - if (ret) - break; - } - return ret; -} - -static int buck2_set_hw_dvs_levels(struct device_node *np, - const struct regulator_desc *desc, - struct regulator_config *cfg) -{ - int ret, i; - const struct of_dvs_setting dvs[] = { - { - .prop = "rohm,dvs-run-voltage", - .reg = BD718XX_REG_BUCK2_VOLT_RUN, - }, - { - .prop = "rohm,dvs-idle-voltage", - .reg = BD718XX_REG_BUCK2_VOLT_IDLE, - }, - }; - - - - for (i = 0; i < ARRAY_SIZE(dvs); i++) { - ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); - if (ret) - break; - } - return ret; -} - -static int buck1_set_hw_dvs_levels(struct device_node *np, - const struct regulator_desc *desc, - struct regulator_config *cfg) -{ - int ret, i; - const struct of_dvs_setting dvs[] = { - { - .prop = "rohm,dvs-run-voltage", - .reg = BD718XX_REG_BUCK1_VOLT_RUN, - }, - { - .prop = "rohm,dvs-idle-voltage", - .reg = BD718XX_REG_BUCK1_VOLT_IDLE, - }, - { - .prop = "rohm,dvs-suspend-voltage", - .reg = BD718XX_REG_BUCK1_VOLT_SUSP, - }, - }; - - for (i = 0; i < ARRAY_SIZE(dvs); i++) { - ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap); - if (ret) - break; - } - return ret; + return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap); } static const struct bd718xx_regulator_data bd71847_regulators[] = { @@ -496,7 +379,17 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = { .enable_reg = BD718XX_REG_BUCK1_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck1_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | + ROHM_DVS_LEVEL_SUSPEND, + .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, + .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, + .idle_mask = DVS_BUCK_RUN_MASK, + .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, + .suspend_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD718XX_REG_BUCK1_CTRL, @@ -520,7 +413,14 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = { .enable_reg = BD718XX_REG_BUCK2_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck2_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, + .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, + .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, + .idle_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD718XX_REG_BUCK2_CTRL, @@ -792,7 +692,17 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = { .enable_reg = BD718XX_REG_BUCK1_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck1_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | + ROHM_DVS_LEVEL_SUSPEND, + .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, + .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, + .idle_mask = DVS_BUCK_RUN_MASK, + .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, + .suspend_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD718XX_REG_BUCK1_CTRL, @@ -816,7 +726,14 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = { .enable_reg = BD718XX_REG_BUCK2_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck2_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, + .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, + .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, + .idle_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD718XX_REG_BUCK2_CTRL, @@ -840,7 +757,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = { .enable_reg = BD71837_REG_BUCK3_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck3_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN, + .run_reg = BD71837_REG_BUCK3_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD71837_REG_BUCK3_CTRL, @@ -864,7 +786,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = { .enable_reg = BD71837_REG_BUCK4_CTRL, .enable_mask = BD718XX_BUCK_EN, .owner = THIS_MODULE, - .of_parse_cb = buck4_set_hw_dvs_levels, + .of_parse_cb = buck_set_hw_dvs_levels, + }, + .dvs = { + .level_map = ROHM_DVS_LEVEL_RUN, + .run_reg = BD71837_REG_BUCK4_VOLT_RUN, + .run_mask = DVS_BUCK_RUN_MASK, }, .init = { .reg = BD71837_REG_BUCK4_CTRL, @@ -1150,6 +1077,7 @@ static int bd718xx_probe(struct platform_device *pdev) bool use_snvs; const struct bd718xx_regulator_data *reg_data; unsigned int num_reg_data; + enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data; mfd = dev_get_drvdata(pdev->dev.parent); if (!mfd) { @@ -1158,7 +1086,7 @@ static int bd718xx_probe(struct platform_device *pdev) goto err; } - switch (mfd->chip.chip_type) { + switch (chip) { case ROHM_CHIP_TYPE_BD71837: reg_data = bd71837_regulators; num_reg_data = ARRAY_SIZE(bd71837_regulators); @@ -1275,11 +1203,19 @@ err: return err; } +static const struct platform_device_id bd718x7_pmic_id[] = { + { "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 }, + { "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 }, + { }, +}; +MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id); + static struct platform_driver bd718xx_regulator = { .driver = { .name = "bd718xx-pmic", }, .probe = bd718xx_probe, + .id_table = bd718x7_pmic_id, }; module_platform_driver(bd718xx_regulator); diff --git a/drivers/regulator/rohm-regulator.c b/drivers/regulator/rohm-regulator.c new file mode 100644 index 000000000000..399002383b28 --- /dev/null +++ b/drivers/regulator/rohm-regulator.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2020 ROHM Semiconductors + +#include <linux/errno.h> +#include <linux/mfd/rohm-generic.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> + +static int set_dvs_level(const struct regulator_desc *desc, + struct device_node *np, struct regmap *regmap, + char *prop, unsigned int reg, unsigned int mask, + unsigned int omask, unsigned int oreg) +{ + int ret, i; + uint32_t uv; + + ret = of_property_read_u32(np, prop, &uv); + if (ret) { + if (ret != -EINVAL) + return ret; + return 0; + } + + if (uv == 0) { + if (omask) + return regmap_update_bits(regmap, oreg, omask, 0); + } + for (i = 0; i < desc->n_voltages; i++) { + ret = regulator_desc_list_voltage_linear_range(desc, i); + if (ret < 0) + continue; + if (ret == uv) { + i <<= ffs(desc->vsel_mask) - 1; + ret = regmap_update_bits(regmap, reg, mask, i); + if (omask && !ret) + ret = regmap_update_bits(regmap, oreg, omask, + omask); + break; + } + } + return ret; +} + +int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs, + struct device_node *np, + const struct regulator_desc *desc, + struct regmap *regmap) +{ + int i, ret = 0; + char *prop; + unsigned int reg, mask, omask, oreg = desc->enable_reg; + + for (i = 0; i < ROHM_DVS_LEVEL_MAX && !ret; i++) { + if (dvs->level_map & (1 << i)) { + switch (i + 1) { + case ROHM_DVS_LEVEL_RUN: + prop = "rohm,dvs-run-voltage"; + reg = dvs->run_reg; + mask = dvs->run_mask; + omask = dvs->run_on_mask; + break; + case ROHM_DVS_LEVEL_IDLE: + prop = "rohm,dvs-idle-voltage"; + reg = dvs->idle_reg; + mask = dvs->idle_mask; + omask = dvs->idle_on_mask; + break; + case ROHM_DVS_LEVEL_SUSPEND: + prop = "rohm,dvs-suspend-voltage"; + reg = dvs->suspend_reg; + mask = dvs->suspend_mask; + omask = dvs->suspend_on_mask; + break; + case ROHM_DVS_LEVEL_LPSR: + prop = "rohm,dvs-lpsr-voltage"; + reg = dvs->lpsr_reg; + mask = dvs->lpsr_mask; + omask = dvs->lpsr_on_mask; + break; + default: + return -EINVAL; + } + ret = set_dvs_level(desc, np, regmap, prop, reg, mask, + omask, oreg); + } + } + return ret; +} +EXPORT_SYMBOL(rohm_regulator_set_dvs_levels); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); +MODULE_DESCRIPTION("Generic helpers for ROHM PMIC regulator drivers"); |