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Commit 5481b348 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'regulator/topic/tps65218',... 

Merge remote-tracking branches 'regulator/topic/tps65218', 'regulator/topic/tps6524x', 'regulator/topic/tps6586x', 'regulator/topic/tps65910', 'regulator/topic/tps80031', 'regulator/topic/wm831x', 'regulator/topic/wm8350' and 'regulator/topic/wm8994' into regulator-next
parents 24ee65e4 948838a1 516add1d d6fe2c72 3bf0e9e0 350ff52d fae3b836 0b61ad1a 4deaf85a

Documentation/devicetree/bindings/mfd/tps65910.txt

+1 −1
Original line number Diff line number Diff line
@@ -11,7 +11,7 @@ Required properties: 
- #interrupt-cells: the number of cells to describe an IRQ, this should be 2.

  The first cell is the IRQ number.

  The second cell is the flags, encoded as the trigger masks from

  Documentation/devicetree/bindings/interrupts.txt

  Documentation/devicetree/bindings/interrupt-controller/interrupts.txt

- regulators: This is the list of child nodes that specify the regulator

  initialization data for defined regulators. Not all regulators for the given

  device need to be present. The definition for each of these nodes is defined

drivers/regulator/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -535,6 +535,15 @@ config REGULATOR_TPS65217 
	  voltage regulators. It supports software based voltage control

	  for different voltage domains



config REGULATOR_TPS65218

	tristate "TI TPS65218 Power regulators"

	depends on MFD_TPS65218 && OF

	help

	  This driver supports TPS65218 voltage regulator chips. TPS65218

	  provides six step-down converters and one general-purpose LDO

	  voltage regulators. It supports software based voltage control

	  for different voltage domains



config REGULATOR_TPS6524X

	tristate "TI TPS6524X Power regulators"

	depends on SPI

drivers/regulator/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ 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_TPS65218) += tps65218-regulator.o

obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o

obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o

obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o

drivers/regulator/tps65218-regulator.c

0 → 100644
+285 −0
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/*

 * tps65218-regulator.c

 *

 * Regulator driver for TPS65218 PMIC

 *

 * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any

 * kind, whether expressed or implied; without even the implied warranty

 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License version 2 for more details.

 */



#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/device.h>

#include <linux/init.h>

#include <linux/err.h>

#include <linux/platform_device.h>

#include <linux/of_device.h>

#include <linux/regulator/of_regulator.h>

#include <linux/regulator/driver.h>

#include <linux/regulator/machine.h>

#include <linux/mfd/tps65218.h>



static unsigned int tps65218_ramp_delay = 4000;



enum tps65218_regulators { DCDC1, DCDC2, DCDC3, DCDC4, DCDC5, DCDC6, LDO1 };



#define TPS65218_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _er, _em, _t, \

			    _lr, _nlr)				\

	{							\

		.name			= _name,		\

		.id			= _id,			\

		.ops			= &_ops,		\

		.n_voltages		= _n,			\

		.type			= REGULATOR_VOLTAGE,	\

		.owner			= THIS_MODULE,		\

		.vsel_reg		= _vr,			\

		.vsel_mask		= _vm,			\

		.enable_reg		= _er,			\

		.enable_mask		= _em,			\

		.volt_table		= _t,			\

		.linear_ranges		= _lr,			\

		.n_linear_ranges	= _nlr,			\

	}							\



#define TPS65218_INFO(_id, _nm, _min, _max)	\

	{						\

		.id		= _id,			\

		.name		= _nm,			\

		.min_uV		= _min,			\

		.max_uV		= _max,			\

	}



static const struct regulator_linear_range dcdc1_dcdc2_ranges[] = {

	REGULATOR_LINEAR_RANGE(850000, 0x0, 0x32, 10000),

	REGULATOR_LINEAR_RANGE(1375000, 0x33, 0x3f, 25000),

};



static const struct regulator_linear_range ldo1_dcdc3_ranges[] = {

	REGULATOR_LINEAR_RANGE(900000, 0x0, 0x1a, 25000),

	REGULATOR_LINEAR_RANGE(1600000, 0x1b, 0x3f, 50000),

};



static const struct regulator_linear_range dcdc4_ranges[] = {

	REGULATOR_LINEAR_RANGE(1175000, 0x0, 0xf, 25000),

	REGULATOR_LINEAR_RANGE(1550000, 0x10, 0x34, 50000),

};



static struct tps_info tps65218_pmic_regs[] = {

	TPS65218_INFO(0, "DCDC1", 850000, 167500),

	TPS65218_INFO(1, "DCDC2", 850000, 1675000),

	TPS65218_INFO(2, "DCDC3", 900000, 3400000),

	TPS65218_INFO(3, "DCDC4", 1175000, 3400000),

	TPS65218_INFO(4, "DCDC5", 1000000, 1000000),

	TPS65218_INFO(5, "DCDC6", 1800000, 1800000),

	TPS65218_INFO(6, "LDO1", 900000, 3400000),

};



#define TPS65218_OF_MATCH(comp, label) \

	{ \

		.compatible = comp, \

		.data = &label, \

	}



static const struct of_device_id tps65218_of_match[] = {

	TPS65218_OF_MATCH("ti,tps65218-dcdc1", tps65218_pmic_regs[DCDC1]),

	TPS65218_OF_MATCH("ti,tps65218-dcdc2", tps65218_pmic_regs[DCDC2]),

	TPS65218_OF_MATCH("ti,tps65218-dcdc3", tps65218_pmic_regs[DCDC3]),

	TPS65218_OF_MATCH("ti,tps65218-dcdc4", tps65218_pmic_regs[DCDC4]),

	TPS65218_OF_MATCH("ti,tps65218-dcdc5", tps65218_pmic_regs[DCDC5]),

	TPS65218_OF_MATCH("ti,tps65218-dcdc6", tps65218_pmic_regs[DCDC6]),

	TPS65218_OF_MATCH("ti,tps65218-ldo1", tps65218_pmic_regs[LDO1]),

	{ }

};

MODULE_DEVICE_TABLE(of, tps65218_of_match);



static int tps65218_pmic_set_voltage_sel(struct regulator_dev *dev,

					 unsigned selector)

{

	int ret;

	struct tps65218 *tps = rdev_get_drvdata(dev);

	unsigned int rid = rdev_get_id(dev);



	/* Set the voltage based on vsel value and write protect level is 2 */

	ret = tps65218_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,

				selector, TPS65218_PROTECT_L1);



	/* Set GO bit for DCDC1/2 to initiate voltage transistion */

	switch (rid) {

	case TPS65218_DCDC_1:

	case TPS65218_DCDC_2:

		ret = tps65218_set_bits(tps, TPS65218_REG_CONTRL_SLEW_RATE,

					TPS65218_SLEW_RATE_GO,

					TPS65218_SLEW_RATE_GO,

					TPS65218_PROTECT_L1);

		break;

	}



	return ret;

}



static int tps65218_pmic_enable(struct regulator_dev *dev)

{

	struct tps65218 *tps = rdev_get_drvdata(dev);

	unsigned int rid = rdev_get_id(dev);



	if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1)

		return -EINVAL;



	/* Enable the regulator and password protection is level 1 */

	return tps65218_set_bits(tps, dev->desc->enable_reg,

				 dev->desc->enable_mask, dev->desc->enable_mask,

				 TPS65218_PROTECT_L1);

}



static int tps65218_pmic_disable(struct regulator_dev *dev)

{

	struct tps65218 *tps = rdev_get_drvdata(dev);

	unsigned int rid = rdev_get_id(dev);



	if (rid < TPS65218_DCDC_1 || rid > TPS65218_LDO_1)

		return -EINVAL;



	/* Disable the regulator and password protection is level 1 */

	return tps65218_clear_bits(tps, dev->desc->enable_reg,

				   dev->desc->enable_mask, TPS65218_PROTECT_L1);

}



static int tps65218_set_voltage_time_sel(struct regulator_dev *rdev,

	unsigned int old_selector, unsigned int new_selector)

{

	int old_uv, new_uv;



	old_uv = regulator_list_voltage_linear_range(rdev, old_selector);

	if (old_uv < 0)

		return old_uv;



	new_uv = regulator_list_voltage_linear_range(rdev, new_selector);

	if (new_uv < 0)

		return new_uv;



	return DIV_ROUND_UP(abs(old_uv - new_uv), tps65218_ramp_delay);

}



/* Operations permitted on DCDC1, DCDC2 */

static struct regulator_ops tps65218_dcdc12_ops = {

	.is_enabled		= regulator_is_enabled_regmap,

	.enable			= tps65218_pmic_enable,

	.disable		= tps65218_pmic_disable,

	.get_voltage_sel	= regulator_get_voltage_sel_regmap,

	.set_voltage_sel	= tps65218_pmic_set_voltage_sel,

	.list_voltage		= regulator_list_voltage_linear_range,

	.map_voltage		= regulator_map_voltage_linear_range,

	.set_voltage_time_sel	= tps65218_set_voltage_time_sel,

};



/* Operations permitted on DCDC3, DCDC4 and LDO1 */

static struct regulator_ops tps65218_ldo1_dcdc34_ops = {

	.is_enabled		= regulator_is_enabled_regmap,

	.enable			= tps65218_pmic_enable,

	.disable		= tps65218_pmic_disable,

	.get_voltage_sel	= regulator_get_voltage_sel_regmap,

	.set_voltage_sel	= tps65218_pmic_set_voltage_sel,

	.list_voltage		= regulator_list_voltage_linear_range,

	.map_voltage		= regulator_map_voltage_linear_range,

};



/* Operations permitted on DCDC5, DCDC6 */

static struct regulator_ops tps65218_dcdc56_pmic_ops = {

	.is_enabled		= regulator_is_enabled_regmap,

	.enable			= tps65218_pmic_enable,

	.disable		= tps65218_pmic_disable,

};



static const struct regulator_desc regulators[] = {

	TPS65218_REGULATOR("DCDC1", TPS65218_DCDC_1, tps65218_dcdc12_ops, 64,

			   TPS65218_REG_CONTROL_DCDC1,

			   TPS65218_CONTROL_DCDC1_MASK,

			   TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC1_EN, NULL,

			   dcdc1_dcdc2_ranges, 2),

	TPS65218_REGULATOR("DCDC2", TPS65218_DCDC_2, tps65218_dcdc12_ops, 64,

			   TPS65218_REG_CONTROL_DCDC2,

			   TPS65218_CONTROL_DCDC2_MASK,

			   TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC2_EN, NULL,

			   dcdc1_dcdc2_ranges, 2),

	TPS65218_REGULATOR("DCDC3", TPS65218_DCDC_3, tps65218_ldo1_dcdc34_ops,

			   64, TPS65218_REG_CONTROL_DCDC3,

			   TPS65218_CONTROL_DCDC3_MASK, TPS65218_REG_ENABLE1,

			   TPS65218_ENABLE1_DC3_EN, NULL,

			   ldo1_dcdc3_ranges, 2),

	TPS65218_REGULATOR("DCDC4", TPS65218_DCDC_4, tps65218_ldo1_dcdc34_ops,

			   53, TPS65218_REG_CONTROL_DCDC4,

			   TPS65218_CONTROL_DCDC4_MASK,

			   TPS65218_REG_ENABLE1, TPS65218_ENABLE1_DC4_EN, NULL,

			   dcdc4_ranges, 2),

	TPS65218_REGULATOR("DCDC5", TPS65218_DCDC_5, tps65218_dcdc56_pmic_ops,

			   1, -1, -1, TPS65218_REG_ENABLE1,

			   TPS65218_ENABLE1_DC5_EN, NULL, NULL, 0),

	TPS65218_REGULATOR("DCDC6", TPS65218_DCDC_6, tps65218_dcdc56_pmic_ops,

			   1, -1, -1, TPS65218_REG_ENABLE1,

			   TPS65218_ENABLE1_DC6_EN, NULL, NULL, 0),

	TPS65218_REGULATOR("LDO1", TPS65218_LDO_1, tps65218_ldo1_dcdc34_ops, 64,

			   TPS65218_REG_CONTROL_DCDC4,

			   TPS65218_CONTROL_LDO1_MASK, TPS65218_REG_ENABLE2,

			   TPS65218_ENABLE2_LDO1_EN, NULL, ldo1_dcdc3_ranges,

			   2),

};



static int tps65218_regulator_probe(struct platform_device *pdev)

{

	struct tps65218 *tps = dev_get_drvdata(pdev->dev.parent);

	struct regulator_init_data *init_data;

	const struct tps_info	*template;

	struct regulator_dev *rdev;

	const struct of_device_id	*match;

	struct regulator_config config = { };

	int id;



	match = of_match_device(tps65218_of_match, &pdev->dev);

	if (!match)

		return -ENODEV;



	template = match->data;

	id = template->id;

	init_data = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node);



	platform_set_drvdata(pdev, tps);



	tps->info[id] = &tps65218_pmic_regs[id];

	config.dev = &pdev->dev;

	config.init_data = init_data;

	config.driver_data = tps;

	config.regmap = tps->regmap;



	rdev = devm_regulator_register(&pdev->dev, &regulators[id], &config);

	if (IS_ERR(rdev)) {

		dev_err(tps->dev, "failed to register %s regulator\n",

			pdev->name);

		return PTR_ERR(rdev);

	}



	return 0;

}



static struct platform_driver tps65218_regulator_driver = {

	.driver = {

		.name = "tps65218-pmic",

		.owner = THIS_MODULE,

		.of_match_table = tps65218_of_match,

	},

	.probe = tps65218_regulator_probe,

};



module_platform_driver(tps65218_regulator_driver);



MODULE_AUTHOR("J Keerthy <j-keerthy@ti.com>");

MODULE_DESCRIPTION("TPS65218 voltage regulator driver");

MODULE_ALIAS("platform:tps65218-pmic");

MODULE_LICENSE("GPL v2");

drivers/regulator/tps6524x-regulator.c

+2 −3
Original line number Diff line number Diff line
@@ -593,10 +593,9 @@ static int pmic_probe(struct spi_device *spi) 
	}



	hw = devm_kzalloc(&spi->dev, sizeof(struct tps6524x), GFP_KERNEL);

	if (!hw) {

		dev_err(dev, "cannot allocate regulator private data\n");

	if (!hw)

		return -ENOMEM;

	}



	spi_set_drvdata(spi, hw);



	memset(hw, 0, sizeof(struct tps6524x));