1

Merge branch 'ib-mfd-input-regulator-6.11' into ibs-for-mfd-merged

This commit is contained in:
Lee Jones 2024-07-04 17:06:42 +01:00
commit f5ace55524
12 changed files with 820 additions and 0 deletions

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@ -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>;
};
};
};
};
...

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@ -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

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@ -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");

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@ -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

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@ -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

148
drivers/mfd/88pm886.c Normal file
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@ -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");

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@ -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

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@ -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

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@ -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");

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@ -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

View File

@ -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

View File

@ -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 */