Merge remote-tracking branches 'regulator/topic/arizona',... (bed69721) · Commits · EulixOS / Software / Kernel

drivers/regulator/arizona-ldo1.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -130,6 +130,7 @@ static const struct regulator_desc arizona_ldo1_hc = {
		.uV_step = 50000,
		.n_voltages = 8,
		.enable_time = 1500,
		.ramp_delay = 24000,

		.owner = THIS_MODULE,
		};
		@@ -153,6 +154,7 @@ static const struct regulator_desc arizona_ldo1 = {
		.uV_step = 25000,
		.n_voltages = 13,
		.enable_time = 500,
		.ramp_delay = 24000,

		.owner = THIS_MODULE,
		};

drivers/regulator/core.c

+33 −0

Original line number	Diff line number	Diff line
		@@ -3360,6 +3360,39 @@ unsigned int regulator_get_mode(struct regulator *regulator)
		}
		EXPORT_SYMBOL_GPL(regulator_get_mode);

		static int _regulator_get_error_flags(struct regulator_dev *rdev,
		unsigned int *flags)
		{
		int ret;

		mutex_lock(&rdev->mutex);

		/* sanity check */
		if (!rdev->desc->ops->get_error_flags) {
		ret = -EINVAL;
		goto out;
		}

		ret = rdev->desc->ops->get_error_flags(rdev, flags);
		out:
		mutex_unlock(&rdev->mutex);
		return ret;
		}

		/**
		* regulator_get_error_flags - get regulator error information
		* @regulator: regulator source
		* @flags: pointer to store error flags
		*
		* Get the current regulator error information.
		*/
		int regulator_get_error_flags(struct regulator *regulator,
		unsigned int *flags)
		{
		return _regulator_get_error_flags(regulator->rdev, flags);
		}
		EXPORT_SYMBOL_GPL(regulator_get_error_flags);

		/**
		* regulator_set_load - set regulator load
		* @regulator: regulator source

drivers/regulator/fixed.c

+46 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,9 @@
		#include <linux/of_gpio.h>
		#include <linux/regulator/of_regulator.h>
		#include <linux/regulator/machine.h>
		#include <linux/acpi.h>
		#include <linux/property.h>
		#include <linux/gpio/consumer.h>

		struct fixed_voltage_data {
		struct regulator_desc desc;
		@@ -94,6 +97,44 @@ of_get_fixed_voltage_config(struct device *dev,
		return config;
		}

		/**
		* acpi_get_fixed_voltage_config - extract fixed_voltage_config structure info
		* @dev: device requesting for fixed_voltage_config
		* @desc: regulator description
		*
		* Populates fixed_voltage_config structure by extracting data through ACPI
		* interface, returns a pointer to the populated structure of NULL if memory
		* alloc fails.
		*/
		static struct fixed_voltage_config *
		acpi_get_fixed_voltage_config(struct device *dev,
		const struct regulator_desc *desc)
		{
		struct fixed_voltage_config *config;
		const char *supply_name;
		struct gpio_desc *gpiod;
		int ret;

		config = devm_kzalloc(dev, sizeof(*config), GFP_KERNEL);
		if (!config)
		return ERR_PTR(-ENOMEM);

		ret = device_property_read_string(dev, "supply-name", &supply_name);
		if (!ret)
		config->supply_name = supply_name;

		gpiod = gpiod_get(dev, "gpio", GPIOD_ASIS);
		if (IS_ERR(gpiod))
		return ERR_PTR(-ENODEV);

		config->gpio = desc_to_gpio(gpiod);
		config->enable_high = device_property_read_bool(dev,
		"enable-active-high");
		gpiod_put(gpiod);

		return config;
		}

		static struct regulator_ops fixed_voltage_ops = {
		};

		@@ -114,6 +155,11 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
		&drvdata->desc);
		if (IS_ERR(config))
		return PTR_ERR(config);
		} else if (ACPI_HANDLE(&pdev->dev)) {
		config = acpi_get_fixed_voltage_config(&pdev->dev,
		&drvdata->desc);
		if (IS_ERR(config))
		return PTR_ERR(config);
		} else {
		config = dev_get_platdata(&pdev->dev);
		}

drivers/regulator/helpers.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -454,13 +454,17 @@ EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap);
		int regulator_get_bypass_regmap(struct regulator_dev rdev, bool enable)
		{
		unsigned int val;
		unsigned int val_on = rdev->desc->bypass_val_on;
		int ret;

		ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val);
		if (ret != 0)
		return ret;

		*enable = (val & rdev->desc->bypass_mask) == rdev->desc->bypass_val_on;
		if (!val_on)
		val_on = rdev->desc->bypass_mask;

		*enable = (val & rdev->desc->bypass_mask) == val_on;

		return 0;
		}

include/linux/regulator/consumer.h

+27 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,25 @@ struct regmap;
		#define REGULATOR_EVENT_PRE_DISABLE 0x400
		#define REGULATOR_EVENT_ABORT_DISABLE 0x800

		/*
		* Regulator errors that can be queried using regulator_get_error_flags
		*
		* UNDER_VOLTAGE Regulator output is under voltage.
		* OVER_CURRENT Regulator output current is too high.
		* REGULATION_OUT Regulator output is out of regulation.
		* FAIL Regulator output has failed.
		* OVER_TEMP Regulator over temp.
		*
		* NOTE: These errors can be OR'ed together.
		*/

		#define REGULATOR_ERROR_UNDER_VOLTAGE BIT(1)
		#define REGULATOR_ERROR_OVER_CURRENT BIT(2)
		#define REGULATOR_ERROR_REGULATION_OUT BIT(3)
		#define REGULATOR_ERROR_FAIL BIT(4)
		#define REGULATOR_ERROR_OVER_TEMP BIT(5)


		/**
		* struct pre_voltage_change_data - Data sent with PRE_VOLTAGE_CHANGE event
		*
		@@ -237,6 +256,8 @@ int regulator_get_current_limit(struct regulator *regulator);

		int regulator_set_mode(struct regulator *regulator, unsigned int mode);
		unsigned int regulator_get_mode(struct regulator *regulator);
		int regulator_get_error_flags(struct regulator *regulator,
		unsigned int *flags);
		int regulator_set_load(struct regulator *regulator, int load_uA);

		int regulator_allow_bypass(struct regulator *regulator, bool allow);
		@@ -477,6 +498,12 @@ static inline unsigned int regulator_get_mode(struct regulator *regulator)
		return REGULATOR_MODE_NORMAL;
		}

		static inline int regulator_get_error_flags(struct regulator *regulator,
		unsigned int *flags)
		{
		return -EINVAL;
		}

		static inline int regulator_set_load(struct regulator *regulator, int load_uA)
		{
		return REGULATOR_MODE_NORMAL;