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-rw-r--r--Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml76
-rw-r--r--MAINTAINERS9
-rw-r--r--drivers/input/misc/88pm886-onkey.c98
-rw-r--r--drivers/input/misc/Kconfig7
-rw-r--r--drivers/input/misc/Makefile1
-rw-r--r--drivers/mfd/88pm886.c148
-rw-r--r--drivers/mfd/Kconfig12
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/regulator/88pm886-regulator.c392
-rw-r--r--drivers/regulator/Kconfig6
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--include/linux/mfd/88pm886.h69
12 files changed, 820 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml b/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
new file mode 100644
index 000000000000..d6a71c912b76
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/marvell,88pm886-a1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell 88PM886 PMIC core
+
+maintainers:
+ - Karel Balej <balejk@matfyz.cz>
+
+description:
+ Marvell 88PM886 is a PMIC providing several functions such as onkey,
+ regulators or battery and charger.
+
+properties:
+ compatible:
+ const: marvell,88pm886-a1
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ wakeup-source: true
+
+ regulators:
+ type: object
+ additionalProperties: false
+ patternProperties:
+ "^(ldo(1[0-6]|[1-9])|buck[1-5])$":
+ type: object
+ $ref: /schemas/regulator/regulator.yaml#
+ description: LDO or buck regulator.
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pmic@30 {
+ compatible = "marvell,88pm886-a1";
+ reg = <0x30>;
+ interrupts = <0 4 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ wakeup-source;
+
+ regulators {
+ ldo2: ldo2 {
+ regulator-min-microvolt = <3100000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo15: ldo15 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ buck2: buck2 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ };
+ };
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index d402ef49e2a4..5cf839bb43ff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13312,6 +13312,15 @@ F: drivers/net/dsa/mv88e6xxx/
F: include/linux/dsa/mv88e6xxx.h
F: include/linux/platform_data/mv88e6xxx.h
+MARVELL 88PM886 PMIC DRIVER
+M: Karel Balej <balejk@matfyz.cz>
+S: Maintained
+F: Documentation/devicetree/bindings/mfd/marvell,88pm886-a1.yaml
+F: drivers/input/misc/88pm886-onkey.c
+F: drivers/mfd/88pm886.c
+F: drivers/regulators/88pm886-regulator.c
+F: include/linux/mfd/88pm886.h
+
MARVELL ARMADA 3700 PHY DRIVERS
M: Miquel Raynal <miquel.raynal@bootlin.com>
S: Maintained
diff --git a/drivers/input/misc/88pm886-onkey.c b/drivers/input/misc/88pm886-onkey.c
new file mode 100644
index 000000000000..284ff5190b6e
--- /dev/null
+++ b/drivers/input/misc/88pm886-onkey.c
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <linux/mfd/88pm886.h>
+
+struct pm886_onkey {
+ struct input_dev *idev;
+ struct pm886_chip *chip;
+};
+
+static irqreturn_t pm886_onkey_irq_handler(int irq, void *data)
+{
+ struct pm886_onkey *onkey = data;
+ struct regmap *regmap = onkey->chip->regmap;
+ struct input_dev *idev = onkey->idev;
+ struct device *parent = idev->dev.parent;
+ unsigned int val;
+ int err;
+
+ err = regmap_read(regmap, PM886_REG_STATUS1, &val);
+ if (err) {
+ dev_err(parent, "Failed to read status: %d\n", err);
+ return IRQ_NONE;
+ }
+ val &= PM886_ONKEY_STS1;
+
+ input_report_key(idev, KEY_POWER, val);
+ input_sync(idev);
+
+ return IRQ_HANDLED;
+}
+
+static int pm886_onkey_probe(struct platform_device *pdev)
+{
+ struct pm886_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct pm886_onkey *onkey;
+ struct input_dev *idev;
+ int irq, err;
+
+ onkey = devm_kzalloc(dev, sizeof(*onkey), GFP_KERNEL);
+ if (!onkey)
+ return -ENOMEM;
+
+ onkey->chip = chip;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return dev_err_probe(dev, irq, "Failed to get IRQ\n");
+
+ idev = devm_input_allocate_device(dev);
+ if (!idev) {
+ dev_err(dev, "Failed to allocate input device\n");
+ return -ENOMEM;
+ }
+ onkey->idev = idev;
+
+ idev->name = "88pm886-onkey";
+ idev->phys = "88pm886-onkey/input0";
+ idev->id.bustype = BUS_I2C;
+
+ input_set_capability(idev, EV_KEY, KEY_POWER);
+
+ err = devm_request_threaded_irq(dev, irq, NULL, pm886_onkey_irq_handler,
+ IRQF_ONESHOT | IRQF_NO_SUSPEND, "onkey",
+ onkey);
+ if (err)
+ return dev_err_probe(dev, err, "Failed to request IRQ\n");
+
+ err = input_register_device(idev);
+ if (err)
+ return dev_err_probe(dev, err, "Failed to register input device\n");
+
+ return 0;
+}
+
+static const struct platform_device_id pm886_onkey_id_table[] = {
+ { "88pm886-onkey", },
+ { }
+};
+MODULE_DEVICE_TABLE(platform, pm886_onkey_id_table);
+
+static struct platform_driver pm886_onkey_driver = {
+ .driver = {
+ .name = "88pm886-onkey",
+ },
+ .probe = pm886_onkey_probe,
+ .id_table = pm886_onkey_id_table,
+};
+module_platform_driver(pm886_onkey_driver);
+
+MODULE_DESCRIPTION("Marvell 88PM886 onkey driver");
+MODULE_AUTHOR("Karel Balej <balejk@matfyz.cz>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index ee45dbb0636e..6a852c76331b 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -33,6 +33,13 @@ config INPUT_88PM80X_ONKEY
To compile this driver as a module, choose M here: the module
will be called 88pm80x_onkey.
+config INPUT_88PM886_ONKEY
+ tristate "Marvell 88PM886 onkey support"
+ depends on MFD_88PM886_PMIC
+ help
+ Support the onkey of Marvell 88PM886 PMIC as an input device
+ reporting power button status.
+
config INPUT_AB8500_PONKEY
tristate "AB8500 Pon (PowerOn) Key"
depends on AB8500_CORE
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 88279de6d3d5..4f7f736831ba 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -7,6 +7,7 @@
obj-$(CONFIG_INPUT_88PM860X_ONKEY) += 88pm860x_onkey.o
obj-$(CONFIG_INPUT_88PM80X_ONKEY) += 88pm80x_onkey.o
+obj-$(CONFIG_INPUT_88PM886_ONKEY) += 88pm886-onkey.o
obj-$(CONFIG_INPUT_AB8500_PONKEY) += ab8500-ponkey.o
obj-$(CONFIG_INPUT_AD714X) += ad714x.o
obj-$(CONFIG_INPUT_AD714X_I2C) += ad714x-i2c.o
diff --git a/drivers/mfd/88pm886.c b/drivers/mfd/88pm886.c
new file mode 100644
index 000000000000..dbe9efc027d2
--- /dev/null
+++ b/drivers/mfd/88pm886.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/reboot.h>
+#include <linux/regmap.h>
+
+#include <linux/mfd/88pm886.h>
+
+static const struct regmap_config pm886_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = PM886_REG_RTC_SPARE6,
+};
+
+static struct regmap_irq pm886_regmap_irqs[] = {
+ REGMAP_IRQ_REG(PM886_IRQ_ONKEY, 0, PM886_INT_ENA1_ONKEY),
+};
+
+static struct regmap_irq_chip pm886_regmap_irq_chip = {
+ .name = "88pm886",
+ .irqs = pm886_regmap_irqs,
+ .num_irqs = ARRAY_SIZE(pm886_regmap_irqs),
+ .num_regs = 4,
+ .status_base = PM886_REG_INT_STATUS1,
+ .ack_base = PM886_REG_INT_STATUS1,
+ .unmask_base = PM886_REG_INT_ENA_1,
+};
+
+static struct resource pm886_onkey_resources[] = {
+ DEFINE_RES_IRQ_NAMED(PM886_IRQ_ONKEY, "88pm886-onkey"),
+};
+
+static struct mfd_cell pm886_devs[] = {
+ MFD_CELL_RES("88pm886-onkey", pm886_onkey_resources),
+ MFD_CELL_NAME("88pm886-regulator"),
+};
+
+static int pm886_power_off_handler(struct sys_off_data *sys_off_data)
+{
+ struct pm886_chip *chip = sys_off_data->cb_data;
+ struct regmap *regmap = chip->regmap;
+ struct device *dev = &chip->client->dev;
+ int err;
+
+ err = regmap_update_bits(regmap, PM886_REG_MISC_CONFIG1, PM886_SW_PDOWN, PM886_SW_PDOWN);
+ if (err) {
+ dev_err(dev, "Failed to power off the device: %d\n", err);
+ return NOTIFY_BAD;
+ }
+ return NOTIFY_DONE;
+}
+
+static int pm886_setup_irq(struct pm886_chip *chip,
+ struct regmap_irq_chip_data **irq_data)
+{
+ struct regmap *regmap = chip->regmap;
+ struct device *dev = &chip->client->dev;
+ int err;
+
+ /* Set interrupt clearing mode to clear on write. */
+ err = regmap_update_bits(regmap, PM886_REG_MISC_CONFIG2,
+ PM886_INT_INV | PM886_INT_CLEAR | PM886_INT_MASK_MODE,
+ PM886_INT_WC);
+ if (err) {
+ dev_err(dev, "Failed to set interrupt clearing mode: %d\n", err);
+ return err;
+ }
+
+ err = devm_regmap_add_irq_chip(dev, regmap, chip->client->irq,
+ IRQF_ONESHOT, 0, &pm886_regmap_irq_chip,
+ irq_data);
+ if (err) {
+ dev_err(dev, "Failed to request IRQ: %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static int pm886_probe(struct i2c_client *client)
+{
+ struct regmap_irq_chip_data *irq_data;
+ struct device *dev = &client->dev;
+ struct pm886_chip *chip;
+ struct regmap *regmap;
+ unsigned int chip_id;
+ int err;
+
+ chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->client = client;
+ chip->chip_id = (uintptr_t)device_get_match_data(dev);
+ i2c_set_clientdata(client, chip);
+
+ regmap = devm_regmap_init_i2c(client, &pm886_regmap_config);
+ if (IS_ERR(regmap))
+ return dev_err_probe(dev, PTR_ERR(regmap), "Failed to initialize regmap\n");
+ chip->regmap = regmap;
+
+ err = regmap_read(regmap, PM886_REG_ID, &chip_id);
+ if (err)
+ return dev_err_probe(dev, err, "Failed to read chip ID\n");
+
+ if (chip->chip_id != chip_id)
+ return dev_err_probe(dev, -EINVAL, "Unsupported chip: 0x%x\n", chip_id);
+
+ err = pm886_setup_irq(chip, &irq_data);
+ if (err)
+ return err;
+
+ err = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, pm886_devs, ARRAY_SIZE(pm886_devs),
+ NULL, 0, regmap_irq_get_domain(irq_data));
+ if (err)
+ return dev_err_probe(dev, err, "Failed to add devices\n");
+
+ err = devm_register_power_off_handler(dev, pm886_power_off_handler, chip);
+ if (err)
+ return dev_err_probe(dev, err, "Failed to register power off handler\n");
+
+ device_init_wakeup(dev, device_property_read_bool(dev, "wakeup-source"));
+
+ return 0;
+}
+
+static const struct of_device_id pm886_of_match[] = {
+ { .compatible = "marvell,88pm886-a1", .data = (void *)PM886_A1_CHIP_ID },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pm886_of_match);
+
+static struct i2c_driver pm886_i2c_driver = {
+ .driver = {
+ .name = "88pm886",
+ .of_match_table = pm886_of_match,
+ },
+ .probe = pm886_probe,
+};
+module_i2c_driver(pm886_i2c_driver);
+
+MODULE_DESCRIPTION("Marvell 88PM886 PMIC driver");
+MODULE_AUTHOR("Karel Balej <balejk@matfyz.cz>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index c09403ea408e..f9743221131e 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -794,6 +794,18 @@ config MFD_88PM860X
select individual components like voltage regulators, RTC and
battery-charger under the corresponding menus.
+config MFD_88PM886_PMIC
+ bool "Marvell 88PM886 PMIC"
+ depends on I2C=y
+ depends on OF
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select MFD_CORE
+ help
+ This enables support for Marvell 88PM886 Power Management IC.
+ This includes the I2C driver and the core APIs _only_, you have to
+ select individual components like onkey under the corresponding menus.
+
config MFD_MAX14577
tristate "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
depends on I2C
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index a8d18ba155d0..a02d17cb36f7 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -7,6 +7,7 @@
obj-$(CONFIG_MFD_88PM860X) += 88pm860x.o
obj-$(CONFIG_MFD_88PM800) += 88pm800.o 88pm80x.o
obj-$(CONFIG_MFD_88PM805) += 88pm805.o 88pm80x.o
+obj-$(CONFIG_MFD_88PM886_PMIC) += 88pm886.o
obj-$(CONFIG_MFD_ACT8945A) += act8945a.o
obj-$(CONFIG_MFD_SM501) += sm501.o
obj-$(CONFIG_ARCH_BCM2835) += bcm2835-pm.o
diff --git a/drivers/regulator/88pm886-regulator.c b/drivers/regulator/88pm886-regulator.c
new file mode 100644
index 000000000000..a38bd4f312b7
--- /dev/null
+++ b/drivers/regulator/88pm886-regulator.c
@@ -0,0 +1,392 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+
+#include <linux/mfd/88pm886.h>
+
+static const struct regmap_config pm886_regulator_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = PM886_REG_BUCK5_VOUT,
+};
+
+static const struct regulator_ops pm886_ldo_ops = {
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_iterate,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const struct regulator_ops pm886_buck_ops = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+};
+
+static const unsigned int pm886_ldo_volt_table1[] = {
+ 1700000, 1800000, 1900000, 2500000, 2800000, 2900000, 3100000, 3300000,
+};
+
+static const unsigned int pm886_ldo_volt_table2[] = {
+ 1200000, 1250000, 1700000, 1800000, 1850000, 1900000, 2500000, 2600000,
+ 2700000, 2750000, 2800000, 2850000, 2900000, 3000000, 3100000, 3300000,
+};
+
+static const unsigned int pm886_ldo_volt_table3[] = {
+ 1700000, 1800000, 1900000, 2000000, 2100000, 2500000, 2700000, 2800000,
+};
+
+static const struct linear_range pm886_buck_volt_ranges1[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0, 79, 12500),
+ REGULATOR_LINEAR_RANGE(1600000, 80, 84, 50000),
+};
+
+static const struct linear_range pm886_buck_volt_ranges2[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0, 79, 12500),
+ REGULATOR_LINEAR_RANGE(1600000, 80, 114, 50000),
+};
+
+static struct regulator_desc pm886_regulators[] = {
+ {
+ .name = "LDO1",
+ .regulators_node = "regulators",
+ .of_match = "ldo1",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(0),
+ .volt_table = pm886_ldo_volt_table1,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table1),
+ .vsel_reg = PM886_REG_LDO1_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO2",
+ .regulators_node = "regulators",
+ .of_match = "ldo2",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(1),
+ .volt_table = pm886_ldo_volt_table1,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table1),
+ .vsel_reg = PM886_REG_LDO2_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO3",
+ .regulators_node = "regulators",
+ .of_match = "ldo3",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(2),
+ .volt_table = pm886_ldo_volt_table1,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table1),
+ .vsel_reg = PM886_REG_LDO3_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO4",
+ .regulators_node = "regulators",
+ .of_match = "ldo4",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(3),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO4_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO5",
+ .regulators_node = "regulators",
+ .of_match = "ldo5",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(4),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO5_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO6",
+ .regulators_node = "regulators",
+ .of_match = "ldo6",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(5),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO6_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO7",
+ .regulators_node = "regulators",
+ .of_match = "ldo7",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(6),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO7_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO8",
+ .regulators_node = "regulators",
+ .of_match = "ldo8",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN1,
+ .enable_mask = BIT(7),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO8_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO9",
+ .regulators_node = "regulators",
+ .of_match = "ldo9",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(0),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO9_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO10",
+ .regulators_node = "regulators",
+ .of_match = "ldo10",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(1),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO10_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO11",
+ .regulators_node = "regulators",
+ .of_match = "ldo11",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(2),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO11_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO12",
+ .regulators_node = "regulators",
+ .of_match = "ldo12",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(3),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO12_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO13",
+ .regulators_node = "regulators",
+ .of_match = "ldo13",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(4),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO13_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO14",
+ .regulators_node = "regulators",
+ .of_match = "ldo14",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(5),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO14_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO15",
+ .regulators_node = "regulators",
+ .of_match = "ldo15",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(6),
+ .volt_table = pm886_ldo_volt_table2,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table2),
+ .vsel_reg = PM886_REG_LDO15_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "LDO16",
+ .regulators_node = "regulators",
+ .of_match = "ldo16",
+ .ops = &pm886_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .enable_reg = PM886_REG_LDO_EN2,
+ .enable_mask = BIT(7),
+ .volt_table = pm886_ldo_volt_table3,
+ .n_voltages = ARRAY_SIZE(pm886_ldo_volt_table3),
+ .vsel_reg = PM886_REG_LDO16_VOUT,
+ .vsel_mask = PM886_LDO_VSEL_MASK,
+ },
+ {
+ .name = "buck1",
+ .regulators_node = "regulators",
+ .of_match = "buck1",
+ .ops = &pm886_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 85,
+ .linear_ranges = pm886_buck_volt_ranges1,
+ .n_linear_ranges = ARRAY_SIZE(pm886_buck_volt_ranges1),
+ .vsel_reg = PM886_REG_BUCK1_VOUT,
+ .vsel_mask = PM886_BUCK_VSEL_MASK,
+ .enable_reg = PM886_REG_BUCK_EN,
+ .enable_mask = BIT(0),
+ },
+ {
+ .name = "buck2",
+ .regulators_node = "regulators",
+ .of_match = "buck2",
+ .ops = &pm886_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 115,
+ .linear_ranges = pm886_buck_volt_ranges2,
+ .n_linear_ranges = ARRAY_SIZE(pm886_buck_volt_ranges2),
+ .vsel_reg = PM886_REG_BUCK2_VOUT,
+ .vsel_mask = PM886_BUCK_VSEL_MASK,
+ .enable_reg = PM886_REG_BUCK_EN,
+ .enable_mask = BIT(1),
+ },
+ {
+ .name = "buck3",
+ .regulators_node = "regulators",
+ .of_match = "buck3",
+ .ops = &pm886_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 115,
+ .linear_ranges = pm886_buck_volt_ranges2,
+ .n_linear_ranges = ARRAY_SIZE(pm886_buck_volt_ranges2),
+ .vsel_reg = PM886_REG_BUCK3_VOUT,
+ .vsel_mask = PM886_BUCK_VSEL_MASK,
+ .enable_reg = PM886_REG_BUCK_EN,
+ .enable_mask = BIT(2),
+ },
+ {
+ .name = "buck4",
+ .regulators_node = "regulators",
+ .of_match = "buck4",
+ .ops = &pm886_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 115,
+ .linear_ranges = pm886_buck_volt_ranges2,
+ .n_linear_ranges = ARRAY_SIZE(pm886_buck_volt_ranges2),
+ .vsel_reg = PM886_REG_BUCK4_VOUT,
+ .vsel_mask = PM886_BUCK_VSEL_MASK,
+ .enable_reg = PM886_REG_BUCK_EN,
+ .enable_mask = BIT(3),
+ },
+ {
+ .name = "buck5",
+ .regulators_node = "regulators",
+ .of_match = "buck5",
+ .ops = &pm886_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 115,
+ .linear_ranges = pm886_buck_volt_ranges2,
+ .n_linear_ranges = ARRAY_SIZE(pm886_buck_volt_ranges2),
+ .vsel_reg = PM886_REG_BUCK5_VOUT,
+ .vsel_mask = PM886_BUCK_VSEL_MASK,
+ .enable_reg = PM886_REG_BUCK_EN,
+ .enable_mask = BIT(4),
+ },
+};
+
+static int pm886_regulator_probe(struct platform_device *pdev)
+{
+ struct pm886_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config rcfg = { };
+ struct device *dev = &pdev->dev;
+ struct regulator_desc *rdesc;
+ struct regulator_dev *rdev;
+ struct i2c_client *page;
+ struct regmap *regmap;
+
+ page = devm_i2c_new_dummy_device(dev, chip->client->adapter,
+ chip->client->addr + PM886_PAGE_OFFSET_REGULATORS);
+ if (IS_ERR(page))
+ return dev_err_probe(dev, PTR_ERR(page),
+ "Failed to initialize regulators client\n");
+
+ regmap = devm_regmap_init_i2c(page, &pm886_regulator_regmap_config);
+ if (IS_ERR(regmap))
+ return dev_err_probe(dev, PTR_ERR(regmap),
+ "Failed to initialize regulators regmap\n");
+ rcfg.regmap = regmap;
+
+ rcfg.dev = dev->parent;
+
+ for (int i = 0; i < ARRAY_SIZE(pm886_regulators); i++) {
+ rdesc = &pm886_regulators[i];
+ rdev = devm_regulator_register(dev, rdesc, &rcfg);
+ if (IS_ERR(rdev))
+ return dev_err_probe(dev, PTR_ERR(rdev),
+ "Failed to register %s\n", rdesc->name);
+ }
+
+ return 0;
+}
+
+static const struct platform_device_id pm886_regulator_id_table[] = {
+ { "88pm886-regulator", },
+ { }
+};
+MODULE_DEVICE_TABLE(platform, pm886_regulator_id_table);
+
+static struct platform_driver pm886_regulator_driver = {
+ .driver = {
+ .name = "88pm886-regulator",
+ },
+ .probe = pm886_regulator_probe,
+ .id_table = pm886_regulator_id_table,
+};
+module_platform_driver(pm886_regulator_driver);
+
+MODULE_DESCRIPTION("Marvell 88PM886 PMIC regulator driver");
+MODULE_AUTHOR("Karel Balej <balejk@matfyz.cz>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index d333be2bea3b..ea6f17d451eb 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -91,6 +91,12 @@ config REGULATOR_88PM8607
help
This driver supports 88PM8607 voltage regulator chips.
+config REGULATOR_88PM886
+ tristate "Marvell 88PM886 voltage regulators"
+ depends on MFD_88PM886_PMIC
+ help
+ This driver implements support for Marvell 88PM886 voltage regulators.
+
config REGULATOR_ACT8865
tristate "Active-semi act8865 voltage regulator"
depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index ba15fa5f30ad..0cce5517c85d 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
obj-$(CONFIG_REGULATOR_88PG86X) += 88pg86x.o
obj-$(CONFIG_REGULATOR_88PM800) += 88pm800-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
+obj-$(CONFIG_REGULATOR_88PM886) += 88pm886-regulator.o
obj-$(CONFIG_REGULATOR_CROS_EC) += cros-ec-regulator.o
obj-$(CONFIG_REGULATOR_CPCAP) += cpcap-regulator.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
diff --git a/include/linux/mfd/88pm886.h b/include/linux/mfd/88pm886.h
new file mode 100644
index 000000000000..133aa302e492
--- /dev/null
+++ b/include/linux/mfd/88pm886.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __MFD_88PM886_H
+#define __MFD_88PM886_H
+
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#define PM886_A1_CHIP_ID 0xa1
+
+#define PM886_IRQ_ONKEY 0
+
+#define PM886_PAGE_OFFSET_REGULATORS 1
+
+#define PM886_REG_ID 0x00
+
+#define PM886_REG_STATUS1 0x01
+#define PM886_ONKEY_STS1 BIT(0)
+
+#define PM886_REG_INT_STATUS1 0x05
+
+#define PM886_REG_INT_ENA_1 0x0a
+#define PM886_INT_ENA1_ONKEY BIT(0)
+
+#define PM886_REG_MISC_CONFIG1 0x14
+#define PM886_SW_PDOWN BIT(5)
+
+#define PM886_REG_MISC_CONFIG2 0x15
+#define PM886_INT_INV BIT(0)
+#define PM886_INT_CLEAR BIT(1)
+#define PM886_INT_RC 0x00
+#define PM886_INT_WC BIT(1)
+#define PM886_INT_MASK_MODE BIT(2)
+
+#define PM886_REG_RTC_SPARE6 0xef
+
+#define PM886_REG_BUCK_EN 0x08
+#define PM886_REG_LDO_EN1 0x09
+#define PM886_REG_LDO_EN2 0x0a
+#define PM886_REG_LDO1_VOUT 0x20
+#define PM886_REG_LDO2_VOUT 0x26
+#define PM886_REG_LDO3_VOUT 0x2c
+#define PM886_REG_LDO4_VOUT 0x32
+#define PM886_REG_LDO5_VOUT 0x38
+#define PM886_REG_LDO6_VOUT 0x3e
+#define PM886_REG_LDO7_VOUT 0x44
+#define PM886_REG_LDO8_VOUT 0x4a
+#define PM886_REG_LDO9_VOUT 0x50
+#define PM886_REG_LDO10_VOUT 0x56
+#define PM886_REG_LDO11_VOUT 0x5c
+#define PM886_REG_LDO12_VOUT 0x62
+#define PM886_REG_LDO13_VOUT 0x68
+#define PM886_REG_LDO14_VOUT 0x6e
+#define PM886_REG_LDO15_VOUT 0x74
+#define PM886_REG_LDO16_VOUT 0x7a
+#define PM886_REG_BUCK1_VOUT 0xa5
+#define PM886_REG_BUCK2_VOUT 0xb3
+#define PM886_REG_BUCK3_VOUT 0xc1
+#define PM886_REG_BUCK4_VOUT 0xcf
+#define PM886_REG_BUCK5_VOUT 0xdd
+
+#define PM886_LDO_VSEL_MASK 0x0f
+#define PM886_BUCK_VSEL_MASK 0x7f
+
+struct pm886_chip {
+ struct i2c_client *client;
+ unsigned int chip_id;
+ struct regmap *regmap;
+};
+#endif /* __MFD_88PM886_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-17 16:31:12 +0000