[mirror_ubuntu-artful-kernel.git] / drivers / regulator / tps6586x-regulator.c

/*
 * Regulator driver for TI TPS6586x
 *
 * Copyright (C) 2010 Compulab Ltd.
 * Author: Mike Rapoport <mike@compulab.co.il>
 *
 * Based on da903x
 * Copyright (C) 2006-2008 Marvell International Ltd.
 * Copyright (C) 2008 Compulab Ltd.
 *
 * 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.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
#include <linux/mfd/tps6586x.h>

/* supply control and voltage setting  */
#define TPS6586X_SUPPLYENA	0x10
#define TPS6586X_SUPPLYENB	0x11
#define TPS6586X_SUPPLYENC	0x12
#define TPS6586X_SUPPLYEND	0x13
#define TPS6586X_SUPPLYENE	0x14
#define TPS6586X_VCC1		0x20
#define TPS6586X_VCC2		0x21
#define TPS6586X_SM1V1		0x23
#define TPS6586X_SM1V2		0x24
#define TPS6586X_SM1SL		0x25
#define TPS6586X_SM0V1		0x26
#define TPS6586X_SM0V2		0x27
#define TPS6586X_SM0SL		0x28
#define TPS6586X_LDO2AV1	0x29
#define TPS6586X_LDO2AV2	0x2A
#define TPS6586X_LDO2BV1	0x2F
#define TPS6586X_LDO2BV2	0x30
#define TPS6586X_LDO4V1		0x32
#define TPS6586X_LDO4V2		0x33

/* converter settings  */
#define TPS6586X_SUPPLYV1	0x41
#define TPS6586X_SUPPLYV2	0x42
#define TPS6586X_SUPPLYV3	0x43
#define TPS6586X_SUPPLYV4	0x44
#define TPS6586X_SUPPLYV5	0x45
#define TPS6586X_SUPPLYV6	0x46
#define TPS6586X_SMODE1		0x47
#define TPS6586X_SMODE2		0x48

struct tps6586x_regulator {
	struct regulator_desc desc;

	int enable_bit[2];
	int enable_reg[2];
};

static struct regulator_ops tps6586x_rw_regulator_ops = {
	.list_voltage = regulator_list_voltage_table,
	.map_voltage = regulator_map_voltage_ascend,
	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	.set_voltage_sel = regulator_set_voltage_sel_regmap,

	.is_enabled = regulator_is_enabled_regmap,
	.enable = regulator_enable_regmap,
	.disable = regulator_disable_regmap,
};

static struct regulator_ops tps6586x_rw_linear_regulator_ops = {
	.list_voltage = regulator_list_voltage_linear,
	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	.set_voltage_sel = regulator_set_voltage_sel_regmap,

	.is_enabled = regulator_is_enabled_regmap,
	.enable = regulator_enable_regmap,
	.disable = regulator_disable_regmap,
};

static struct regulator_ops tps6586x_ro_regulator_ops = {
	.list_voltage = regulator_list_voltage_table,
	.map_voltage = regulator_map_voltage_ascend,
	.get_voltage_sel = regulator_get_voltage_sel_regmap,

	.is_enabled = regulator_is_enabled_regmap,
	.enable = regulator_enable_regmap,
	.disable = regulator_disable_regmap,
};

static struct regulator_ops tps6586x_sys_regulator_ops = {
};

static const unsigned int tps6586x_ldo0_voltages[] = {
	1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
};

static const unsigned int tps6586x_ldo_voltages[] = {
	1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
};

static const unsigned int tps658640_rtc_voltages[] = {
	2500000, 2850000, 3100000, 3300000,
};

#define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \
			   ereg0, ebit0, ereg1, ebit1, goreg, gobit)	\
	.desc	= {							\
		.supply_name = _pin_name,				\
		.name	= "REG-" #_id,					\
		.ops	= &tps6586x_## _ops ## _regulator_ops,		\
		.type	= REGULATOR_VOLTAGE,				\
		.id	= TPS6586X_ID_##_id,				\
		.n_voltages = ARRAY_SIZE(vdata##_voltages),		\
		.volt_table = vdata##_voltages,				\
		.owner	= THIS_MODULE,					\
		.enable_reg = TPS6586X_SUPPLY##ereg0,			\
		.enable_mask = 1 << (ebit0),				\
		.vsel_reg = TPS6586X_##vreg,				\
		.vsel_mask = ((1 << (nbits)) - 1) << (shift),		\
		.apply_reg = (goreg),				\
		.apply_bit = (gobit),				\
	},								\
	.enable_reg[0]	= TPS6586X_SUPPLY##ereg0,			\
	.enable_bit[0]	= (ebit0),					\
	.enable_reg[1]	= TPS6586X_SUPPLY##ereg1,			\
	.enable_bit[1]	= (ebit1),

#define TPS6586X_REGULATOR_LINEAR(_id, _ops, _pin_name, n_volt, min_uv,	\
				  uv_step, vreg, shift, nbits, ereg0,	\
				  ebit0, ereg1, ebit1, goreg, gobit)	\
	.desc	= {							\
		.supply_name = _pin_name,				\
		.name	= "REG-" #_id,					\
		.ops	= &tps6586x_## _ops ## _regulator_ops,		\
		.type	= REGULATOR_VOLTAGE,				\
		.id	= TPS6586X_ID_##_id,				\
		.n_voltages = n_volt,					\
		.min_uV = min_uv,					\
		.uV_step = uv_step,					\
		.owner	= THIS_MODULE,					\
		.enable_reg = TPS6586X_SUPPLY##ereg0,			\
		.enable_mask = 1 << (ebit0),				\
		.vsel_reg = TPS6586X_##vreg,				\
		.vsel_mask = ((1 << (nbits)) - 1) << (shift),		\
		.apply_reg = (goreg),				\
		.apply_bit = (gobit),				\
	},								\
	.enable_reg[0]	= TPS6586X_SUPPLY##ereg0,			\
	.enable_bit[0]	= (ebit0),					\
	.enable_reg[1]	= TPS6586X_SUPPLY##ereg1,			\
	.enable_bit[1]	= (ebit1),

#define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits,		\
		     ereg0, ebit0, ereg1, ebit1)			\
{									\
	TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits,	\
			   ereg0, ebit0, ereg1, ebit1, 0, 0)		\
}

#define TPS6586X_LDO_LINEAR(_id, _pname, n_volt, min_uv, uv_step, vreg,	\
			    shift, nbits, ereg0, ebit0, ereg1, ebit1)	\
{									\
	TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt,	\
				  min_uv, uv_step, vreg, shift, nbits,	\
				  ereg0, ebit0, ereg1, ebit1, 0, 0)	\
}

#define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits,	\
			  ereg0, ebit0, ereg1, ebit1)			\
{									\
	TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits,	\
			   ereg0, ebit0, ereg1, ebit1, 0, 0)		\
}

#define TPS6586X_DVM(_id, _pname, n_volt, min_uv, uv_step, vreg, shift,	\
		     nbits, ereg0, ebit0, ereg1, ebit1, goreg, gobit)	\
{									\
	TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt,	\
				  min_uv, uv_step, vreg, shift, nbits,	\
				  ereg0, ebit0, ereg1, ebit1, goreg,	\
				  gobit)				\
}

#define TPS6586X_SYS_REGULATOR()					\
{									\
	.desc	= {							\
		.supply_name = "sys",					\
		.name	= "REG-SYS",					\
		.ops	= &tps6586x_sys_regulator_ops,			\
		.type	= REGULATOR_VOLTAGE,				\
		.id	= TPS6586X_ID_SYS,				\
		.owner	= THIS_MODULE,					\
	},								\
}

static struct tps6586x_regulator tps6586x_regulator[] = {
	TPS6586X_SYS_REGULATOR(),
	TPS6586X_LDO(LDO_0, "vinldo01", tps6586x_ldo0, SUPPLYV1, 5, 3, ENC, 0,
					END, 0),
	TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo, SUPPLYV4, 0, 3, ENC, 2,
					END, 2),
	TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo, SUPPLYV6, 0, 3, ENE, 6,
					ENE, 6),
	TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo, SUPPLYV3, 0, 3, ENC, 4,
					END, 4),
	TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo, SUPPLYV3, 3, 3, ENC, 5,
					END, 5),
	TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo, SUPPLYV2, 5, 3, ENC, 6,
					END, 6),
	TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo, SUPPLYV6, 3, 3, ENE, 7,
					ENE, 7),
	TPS6586X_LDO(LDO_RTC, "REG-SYS", tps6586x_ldo, SUPPLYV4, 3, 3, V4, 7,
					V4, 7),
	TPS6586X_LDO_LINEAR(LDO_1, "vinldo01", 32, 725000, 25000, SUPPLYV1,
			    0, 5, ENC, 1, END, 1),
	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 3000000, 50000, SUPPLYV2,
			    0, 5, ENC, 7, END, 7),
	TPS6586X_DVM(LDO_2, "vinldo23", 32, 725000, 25000, LDO2BV1, 0, 5,
		     ENA, 3, ENB, 3, TPS6586X_VCC2, BIT(6)),
	TPS6586X_DVM(LDO_4, "vinldo4", 32, 1700000, 25000, LDO4V1, 0, 5,
		     ENC, 3, END, 3, TPS6586X_VCC1, BIT(6)),
	TPS6586X_DVM(SM_0, "vin-sm0", 32, 725000, 25000, SM0V1, 0, 5,
		     ENA, 1, ENB, 1, TPS6586X_VCC1, BIT(2)),
	TPS6586X_DVM(SM_1, "vin-sm1", 32, 725000, 25000, SM1V1, 0, 5,
		     ENA, 0, ENB, 0, TPS6586X_VCC1, BIT(0)),
};

static struct tps6586x_regulator tps658623_regulator[] = {
	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1700000, 25000, SUPPLYV2,
			    0, 5, ENC, 7, END, 7),
};

static struct tps6586x_regulator tps658640_regulator[] = {
	TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo0, SUPPLYV4, 0, 3,
					ENC, 2, END, 2),
	TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo0, SUPPLYV6, 0, 3,
					ENE, 6, ENE, 6),
	TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo0, SUPPLYV3, 0, 3,
					ENC, 4, END, 4),
	TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo0, SUPPLYV3, 3, 3,
					ENC, 5, END, 5),
	TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo0, SUPPLYV2, 5, 3,
					ENC, 6, END, 6),
	TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo0, SUPPLYV6, 3, 3,
					ENE, 7, ENE, 7),
	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 2150000, 50000, SUPPLYV2,
			    0, 5, ENC, 7, END, 7),

	TPS6586X_FIXED_LDO(LDO_RTC, "REG-SYS", tps658640_rtc, SUPPLYV4, 3, 2,
					V4, 7, V4, 7),
};

static struct tps6586x_regulator tps658643_regulator[] = {
	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1025000, 25000, SUPPLYV2,
			    0, 5, ENC, 7, END, 7),
};

/*
 * TPS6586X has 2 enable bits that are OR'ed to determine the actual
 * regulator state. Clearing one of this bits allows switching
 * regulator on and of with single register write.
 */
static inline int tps6586x_regulator_preinit(struct device *parent,
					     struct tps6586x_regulator *ri)
{
	uint8_t val1, val2;
	int ret;

	if (ri->enable_reg[0] == ri->enable_reg[1] &&
	    ri->enable_bit[0] == ri->enable_bit[1])
			return 0;

	ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
	if (ret)
		return ret;

	ret = tps6586x_read(parent, ri->enable_reg[1], &val2);
	if (ret)
		return ret;

	if (!(val2 & (1 << ri->enable_bit[1])))
		return 0;

	/*
	 * The regulator is on, but it's enabled with the bit we don't
	 * want to use, so we switch the enable bits
	 */
	if (!(val1 & (1 << ri->enable_bit[0]))) {
		ret = tps6586x_set_bits(parent, ri->enable_reg[0],
					1 << ri->enable_bit[0]);
		if (ret)
			return ret;
	}

	return tps6586x_clr_bits(parent, ri->enable_reg[1],
				 1 << ri->enable_bit[1]);
}

static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev,
			int id, struct regulator_init_data *p)
{
	struct device *parent = pdev->dev.parent;
	struct tps6586x_settings *setting = p->driver_data;
	uint8_t reg;

	if (setting == NULL)
		return 0;

	if (!(setting->slew_rate & TPS6586X_SLEW_RATE_SET))
		return 0;

	/* only SM0 and SM1 can have the slew rate settings */
	switch (id) {
	case TPS6586X_ID_SM_0:
		reg = TPS6586X_SM0SL;
		break;
	case TPS6586X_ID_SM_1:
		reg = TPS6586X_SM1SL;
		break;
	default:
		dev_err(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
		return -EINVAL;
	}

	return tps6586x_write(parent, reg,
			setting->slew_rate & TPS6586X_SLEW_RATE_MASK);
}

static struct tps6586x_regulator *find_regulator_info(int id, int version)
{
	struct tps6586x_regulator *ri;
	struct tps6586x_regulator *table = NULL;
	int num;
	int i;

	switch (version) {
	case TPS658623:
		table = tps658623_regulator;
		num = ARRAY_SIZE(tps658623_regulator);
		break;
	case TPS658640:
	case TPS658640v2:
		table = tps658640_regulator;
		num = ARRAY_SIZE(tps658640_regulator);
		break;
	case TPS658643:
		table = tps658643_regulator;
		num = ARRAY_SIZE(tps658643_regulator);
		break;
	}

	/* Search version specific table first */
	if (table) {
		for (i = 0; i < num; i++) {
			ri = &table[i];
			if (ri->desc.id == id)
				return ri;
		}
	}

	for (i = 0; i < ARRAY_SIZE(tps6586x_regulator); i++) {
		ri = &tps6586x_regulator[i];
		if (ri->desc.id == id)
			return ri;
	}
	return NULL;
}

#ifdef CONFIG_OF
static struct of_regulator_match tps6586x_matches[] = {
	{ .name = "sys",     .driver_data = (void *)TPS6586X_ID_SYS     },
	{ .name = "sm0",     .driver_data = (void *)TPS6586X_ID_SM_0    },
	{ .name = "sm1",     .driver_data = (void *)TPS6586X_ID_SM_1    },
	{ .name = "sm2",     .driver_data = (void *)TPS6586X_ID_SM_2    },
	{ .name = "ldo0",    .driver_data = (void *)TPS6586X_ID_LDO_0   },
	{ .name = "ldo1",    .driver_data = (void *)TPS6586X_ID_LDO_1   },
	{ .name = "ldo2",    .driver_data = (void *)TPS6586X_ID_LDO_2   },
	{ .name = "ldo3",    .driver_data = (void *)TPS6586X_ID_LDO_3   },
	{ .name = "ldo4",    .driver_data = (void *)TPS6586X_ID_LDO_4   },
	{ .name = "ldo5",    .driver_data = (void *)TPS6586X_ID_LDO_5   },
	{ .name = "ldo6",    .driver_data = (void *)TPS6586X_ID_LDO_6   },
	{ .name = "ldo7",    .driver_data = (void *)TPS6586X_ID_LDO_7   },
	{ .name = "ldo8",    .driver_data = (void *)TPS6586X_ID_LDO_8   },
	{ .name = "ldo9",    .driver_data = (void *)TPS6586X_ID_LDO_9   },
	{ .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
};

static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
		struct platform_device *pdev,
		struct of_regulator_match **tps6586x_reg_matches)
{
	const unsigned int num = ARRAY_SIZE(tps6586x_matches);
	struct device_node *np = pdev->dev.parent->of_node;
	struct device_node *regs;
	const char *sys_rail = NULL;
	unsigned int i;
	struct tps6586x_platform_data *pdata;
	int err;

	regs = of_get_child_by_name(np, "regulators");
	if (!regs) {
		dev_err(&pdev->dev, "regulator node not found\n");
		return NULL;
	}

	err = of_regulator_match(&pdev->dev, regs, tps6586x_matches, num);
	of_node_put(regs);
	if (err < 0) {
		dev_err(&pdev->dev, "Regulator match failed, e %d\n", err);
		return NULL;
	}

	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
	if (!pdata)
		return NULL;

	for (i = 0; i < num; i++) {
		uintptr_t id;
		if (!tps6586x_matches[i].init_data)
			continue;

		pdata->reg_init_data[i] = tps6586x_matches[i].init_data;
		id = (uintptr_t)tps6586x_matches[i].driver_data;
		if (id == TPS6586X_ID_SYS)
			sys_rail = pdata->reg_init_data[i]->constraints.name;

		if ((id == TPS6586X_ID_LDO_5) || (id == TPS6586X_ID_LDO_RTC))
			pdata->reg_init_data[i]->supply_regulator = sys_rail;
	}
	*tps6586x_reg_matches = tps6586x_matches;
	return pdata;
}
#else
static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
		struct platform_device *pdev,
		struct of_regulator_match **tps6586x_reg_matches)
{
	*tps6586x_reg_matches = NULL;
	return NULL;
}
#endif

static int tps6586x_regulator_probe(struct platform_device *pdev)
{
	struct tps6586x_regulator *ri = NULL;
	struct regulator_config config = { };
	struct regulator_dev *rdev;
	struct regulator_init_data *reg_data;
	struct tps6586x_platform_data *pdata;
	struct of_regulator_match *tps6586x_reg_matches = NULL;
	int version;
	int id;
	int err;

	dev_dbg(&pdev->dev, "Probing regulator\n");

	pdata = dev_get_platdata(pdev->dev.parent);
	if ((!pdata) && (pdev->dev.parent->of_node))
		pdata = tps6586x_parse_regulator_dt(pdev,
					&tps6586x_reg_matches);

	if (!pdata) {
		dev_err(&pdev->dev, "Platform data not available, exiting\n");
		return -ENODEV;
	}

	version = tps6586x_get_version(pdev->dev.parent);

	for (id = 0; id < TPS6586X_ID_MAX_REGULATOR; ++id) {
		reg_data = pdata->reg_init_data[id];

		ri = find_regulator_info(id, version);

		if (!ri) {
			dev_err(&pdev->dev, "invalid regulator ID specified\n");
			return -EINVAL;
		}

		err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
		if (err) {
			dev_err(&pdev->dev,
				"regulator %d preinit failed, e %d\n", id, err);
			return err;
		}

		config.dev = pdev->dev.parent;
		config.init_data = reg_data;
		config.driver_data = ri;

		if (tps6586x_reg_matches)
			config.of_node = tps6586x_reg_matches[id].of_node;

		rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
		if (IS_ERR(rdev)) {
			dev_err(&pdev->dev, "failed to register regulator %s\n",
					ri->desc.name);
			return PTR_ERR(rdev);
		}

		if (reg_data) {
			err = tps6586x_regulator_set_slew_rate(pdev, id,
					reg_data);
			if (err < 0) {
				dev_err(&pdev->dev,
					"Slew rate config failed, e %d\n", err);
				return err;
			}
		}
	}

	platform_set_drvdata(pdev, rdev);
	return 0;
}

static struct platform_driver tps6586x_regulator_driver = {
	.driver	= {
		.name	= "tps6586x-regulator",
	},
	.probe		= tps6586x_regulator_probe,
};

static int __init tps6586x_regulator_init(void)
{
	return platform_driver_register(&tps6586x_regulator_driver);
}
subsys_initcall(tps6586x_regulator_init);

static void __exit tps6586x_regulator_exit(void)
{
	platform_driver_unregister(&tps6586x_regulator_driver);
}
module_exit(tps6586x_regulator_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_DESCRIPTION("Regulator Driver for TI TPS6586X PMIC");
MODULE_ALIAS("platform:tps6586x-regulator");
Commit	Line	Data
49610235 MR	1	/*
	2	* Regulator driver for TI TPS6586x
	3	*
	4	* Copyright (C) 2010 Compulab Ltd.
	5	* Author: Mike Rapoport <mike@compulab.co.il>
	6	*
	7	* Based on da903x
	8	* Copyright (C) 2006-2008 Marvell International Ltd.
	9	* Copyright (C) 2008 Compulab Ltd.
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
	15
49610235	16	#include <linux/kernel.h>
65602c32	17	#include <linux/module.h>
49610235 MR	18	#include <linux/init.h>
49610235 MR	19	#include <linux/err.h>
64e48160	20	#include <linux/of.h>
49610235 MR	21	#include <linux/slab.h>
	22	#include <linux/platform_device.h>
	23	#include <linux/regulator/driver.h>
	24	#include <linux/regulator/machine.h>
64e48160	25	#include <linux/regulator/of_regulator.h>
49610235 MR	26	#include <linux/mfd/tps6586x.h>
	27
	28	/* supply control and voltage setting */
	29	#define TPS6586X_SUPPLYENA 0x10
	30	#define TPS6586X_SUPPLYENB 0x11
	31	#define TPS6586X_SUPPLYENC 0x12
	32	#define TPS6586X_SUPPLYEND 0x13
	33	#define TPS6586X_SUPPLYENE 0x14
	34	#define TPS6586X_VCC1 0x20
	35	#define TPS6586X_VCC2 0x21
	36	#define TPS6586X_SM1V1 0x23
	37	#define TPS6586X_SM1V2 0x24
	38	#define TPS6586X_SM1SL 0x25
	39	#define TPS6586X_SM0V1 0x26
	40	#define TPS6586X_SM0V2 0x27
	41	#define TPS6586X_SM0SL 0x28
	42	#define TPS6586X_LDO2AV1 0x29
	43	#define TPS6586X_LDO2AV2 0x2A
	44	#define TPS6586X_LDO2BV1 0x2F
	45	#define TPS6586X_LDO2BV2 0x30
	46	#define TPS6586X_LDO4V1 0x32
	47	#define TPS6586X_LDO4V2 0x33
	48
	49	/* converter settings */
	50	#define TPS6586X_SUPPLYV1 0x41
	51	#define TPS6586X_SUPPLYV2 0x42
	52	#define TPS6586X_SUPPLYV3 0x43
	53	#define TPS6586X_SUPPLYV4 0x44
	54	#define TPS6586X_SUPPLYV5 0x45
	55	#define TPS6586X_SUPPLYV6 0x46
	56	#define TPS6586X_SMODE1 0x47
	57	#define TPS6586X_SMODE2 0x48
	58
	59	struct tps6586x_regulator {
	60	struct regulator_desc desc;
	61
49610235 MR	62	int enable_bit[2];
49610235 MR	63	int enable_reg[2];
49610235 MR	64	};
49610235 MR	65
ad0b40fe	66	static struct regulator_ops tps6586x_rw_regulator_ops = {
f4647037	67	.list_voltage = regulator_list_voltage_table,
4d673bbc	68	.map_voltage = regulator_map_voltage_ascend,
7c7475c0	69	.get_voltage_sel = regulator_get_voltage_sel_regmap,
d645d591	70	.set_voltage_sel = regulator_set_voltage_sel_regmap,
49610235	71
7c7475c0 AL	72	.is_enabled = regulator_is_enabled_regmap,
	73	.enable = regulator_enable_regmap,
	74	.disable = regulator_disable_regmap,
49610235 MR	75	};
49610235 MR	76
2628b100 AL	77	static struct regulator_ops tps6586x_rw_linear_regulator_ops = {
	78	.list_voltage = regulator_list_voltage_linear,
	79	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	80	.set_voltage_sel = regulator_set_voltage_sel_regmap,
	81
	82	.is_enabled = regulator_is_enabled_regmap,
	83	.enable = regulator_enable_regmap,
	84	.disable = regulator_disable_regmap,
	85	};
	86
ad0b40fe AB	87	static struct regulator_ops tps6586x_ro_regulator_ops = {
	88	.list_voltage = regulator_list_voltage_table,
	89	.map_voltage = regulator_map_voltage_ascend,
	90	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	91
	92	.is_enabled = regulator_is_enabled_regmap,
	93	.enable = regulator_enable_regmap,
	94	.disable = regulator_disable_regmap,
	95	};
	96
9394b80c	97	static struct regulator_ops tps6586x_sys_regulator_ops = {
49610235 MR	98	};
49610235 MR	99
f4647037 AL	100	static const unsigned int tps6586x_ldo0_voltages[] = {
	101	1200000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
	102	};
	103
f4647037 AL	104	static const unsigned int tps6586x_ldo_voltages[] = {
f4647037 AL	105	1250000, 1500000, 1800000, 2500000, 2700000, 2850000, 3100000, 3300000,
49610235 MR	106	};
49610235 MR	107
2628b100	108	static const unsigned int tps658640_rtc_voltages[] = {
6c46ccc8 AB	109	2500000, 2850000, 3100000, 3300000,
	110	};
	111
ad0b40fe	112	#define TPS6586X_REGULATOR(_id, _ops, _pin_name, vdata, vreg, shift, nbits, \
d645d591	113	ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
49610235	114	.desc = { \
7c7fac30	115	.supply_name = _pin_name, \
49610235	116	.name = "REG-" #_id, \
ad0b40fe	117	.ops = &tps6586x_## _ops ## _regulator_ops, \
49610235 MR	118	.type = REGULATOR_VOLTAGE, \
49610235 MR	119	.id = TPS6586X_ID_##_id, \
844a4f0d SA	120	.n_voltages = ARRAY_SIZE(vdata##_voltages), \
844a4f0d SA	121	.volt_table = vdata##_voltages, \
49610235	122	.owner = THIS_MODULE, \
7c7475c0 AL	123	.enable_reg = TPS6586X_SUPPLY##ereg0, \
	124	.enable_mask = 1 << (ebit0), \
	125	.vsel_reg = TPS6586X_##vreg, \
	126	.vsel_mask = ((1 << (nbits)) - 1) << (shift), \
d645d591 AL	127	.apply_reg = (goreg), \
d645d591 AL	128	.apply_bit = (gobit), \
49610235	129	}, \
49610235 MR	130	.enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
	131	.enable_bit[0] = (ebit0), \
	132	.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
f4647037	133	.enable_bit[1] = (ebit1),
64db657b	134
2628b100 AL	135	#define TPS6586X_REGULATOR_LINEAR(_id, _ops, _pin_name, n_volt, min_uv, \
	136	uv_step, vreg, shift, nbits, ereg0, \
	137	ebit0, ereg1, ebit1, goreg, gobit) \
	138	.desc = { \
	139	.supply_name = _pin_name, \
	140	.name = "REG-" #_id, \
	141	.ops = &tps6586x_## _ops ## _regulator_ops, \
	142	.type = REGULATOR_VOLTAGE, \
	143	.id = TPS6586X_ID_##_id, \
	144	.n_voltages = n_volt, \
	145	.min_uV = min_uv, \
	146	.uV_step = uv_step, \
	147	.owner = THIS_MODULE, \
	148	.enable_reg = TPS6586X_SUPPLY##ereg0, \
	149	.enable_mask = 1 << (ebit0), \
	150	.vsel_reg = TPS6586X_##vreg, \
	151	.vsel_mask = ((1 << (nbits)) - 1) << (shift), \
	152	.apply_reg = (goreg), \
	153	.apply_bit = (gobit), \
	154	}, \
	155	.enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
	156	.enable_bit[0] = (ebit0), \
	157	.enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
	158	.enable_bit[1] = (ebit1),
	159
7c7fac30	160	#define TPS6586X_LDO(_id, _pname, vdata, vreg, shift, nbits, \
49610235	161	ereg0, ebit0, ereg1, ebit1) \
64db657b	162	{ \
ad0b40fe AB	163	TPS6586X_REGULATOR(_id, rw, _pname, vdata, vreg, shift, nbits, \
	164	ereg0, ebit0, ereg1, ebit1, 0, 0) \
	165	}
	166
2628b100 AL	167	#define TPS6586X_LDO_LINEAR(_id, _pname, n_volt, min_uv, uv_step, vreg, \
	168	shift, nbits, ereg0, ebit0, ereg1, ebit1) \
	169	{ \
	170	TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \
	171	min_uv, uv_step, vreg, shift, nbits, \
	172	ereg0, ebit0, ereg1, ebit1, 0, 0) \
	173	}
	174
ad0b40fe AB	175	#define TPS6586X_FIXED_LDO(_id, _pname, vdata, vreg, shift, nbits, \
	176	ereg0, ebit0, ereg1, ebit1) \
	177	{ \
	178	TPS6586X_REGULATOR(_id, ro, _pname, vdata, vreg, shift, nbits, \
d645d591	179	ereg0, ebit0, ereg1, ebit1, 0, 0) \
64db657b	180	}
49610235	181
2628b100 AL	182	#define TPS6586X_DVM(_id, _pname, n_volt, min_uv, uv_step, vreg, shift, \
2628b100 AL	183	nbits, ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
64db657b	184	{ \
2628b100 AL	185	TPS6586X_REGULATOR_LINEAR(_id, rw_linear, _pname, n_volt, \
	186	min_uv, uv_step, vreg, shift, nbits, \
	187	ereg0, ebit0, ereg1, ebit1, goreg, \
	188	gobit) \
64db657b	189	}
49610235	190
9394b80c LD	191	#define TPS6586X_SYS_REGULATOR() \
	192	{ \
	193	.desc = { \
	194	.supply_name = "sys", \
	195	.name = "REG-SYS", \
	196	.ops = &tps6586x_sys_regulator_ops, \
	197	.type = REGULATOR_VOLTAGE, \
	198	.id = TPS6586X_ID_SYS, \
	199	.owner = THIS_MODULE, \
	200	}, \
	201	}
	202
49610235	203	static struct tps6586x_regulator tps6586x_regulator[] = {
9394b80c	204	TPS6586X_SYS_REGULATOR(),
844a4f0d SA	205	TPS6586X_LDO(LDO_0, "vinldo01", tps6586x_ldo0, SUPPLYV1, 5, 3, ENC, 0,
	206	END, 0),
	207	TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo, SUPPLYV4, 0, 3, ENC, 2,
	208	END, 2),
	209	TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo, SUPPLYV6, 0, 3, ENE, 6,
	210	ENE, 6),
	211	TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo, SUPPLYV3, 0, 3, ENC, 4,
	212	END, 4),
	213	TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo, SUPPLYV3, 3, 3, ENC, 5,
	214	END, 5),
	215	TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo, SUPPLYV2, 5, 3, ENC, 6,
	216	END, 6),
	217	TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo, SUPPLYV6, 3, 3, ENE, 7,
	218	ENE, 7),
	219	TPS6586X_LDO(LDO_RTC, "REG-SYS", tps6586x_ldo, SUPPLYV4, 3, 3, V4, 7,
	220	V4, 7),
2628b100 AL	221	TPS6586X_LDO_LINEAR(LDO_1, "vinldo01", 32, 725000, 25000, SUPPLYV1,
	222	0, 5, ENC, 1, END, 1),
	223	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 3000000, 50000, SUPPLYV2,
	224	0, 5, ENC, 7, END, 7),
	225	TPS6586X_DVM(LDO_2, "vinldo23", 32, 725000, 25000, LDO2BV1, 0, 5,
	226	ENA, 3, ENB, 3, TPS6586X_VCC2, BIT(6)),
	227	TPS6586X_DVM(LDO_4, "vinldo4", 32, 1700000, 25000, LDO4V1, 0, 5,
	228	ENC, 3, END, 3, TPS6586X_VCC1, BIT(6)),
	229	TPS6586X_DVM(SM_0, "vin-sm0", 32, 725000, 25000, SM0V1, 0, 5,
	230	ENA, 1, ENB, 1, TPS6586X_VCC1, BIT(2)),
	231	TPS6586X_DVM(SM_1, "vin-sm1", 32, 725000, 25000, SM1V1, 0, 5,
	232	ENA, 0, ENB, 0, TPS6586X_VCC1, BIT(0)),
49610235 MR	233	};
49610235 MR	234
844a4f0d	235	static struct tps6586x_regulator tps658623_regulator[] = {
2628b100 AL	236	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1700000, 25000, SUPPLYV2,
2628b100 AL	237	0, 5, ENC, 7, END, 7),
844a4f0d SA	238	};
844a4f0d SA	239
6c46ccc8 AB	240	static struct tps6586x_regulator tps658640_regulator[] = {
	241	TPS6586X_LDO(LDO_3, "vinldo23", tps6586x_ldo0, SUPPLYV4, 0, 3,
	242	ENC, 2, END, 2),
	243	TPS6586X_LDO(LDO_5, "REG-SYS", tps6586x_ldo0, SUPPLYV6, 0, 3,
	244	ENE, 6, ENE, 6),
	245	TPS6586X_LDO(LDO_6, "vinldo678", tps6586x_ldo0, SUPPLYV3, 0, 3,
	246	ENC, 4, END, 4),
	247	TPS6586X_LDO(LDO_7, "vinldo678", tps6586x_ldo0, SUPPLYV3, 3, 3,
	248	ENC, 5, END, 5),
	249	TPS6586X_LDO(LDO_8, "vinldo678", tps6586x_ldo0, SUPPLYV2, 5, 3,
	250	ENC, 6, END, 6),
	251	TPS6586X_LDO(LDO_9, "vinldo9", tps6586x_ldo0, SUPPLYV6, 3, 3,
	252	ENE, 7, ENE, 7),
2628b100 AL	253	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 2150000, 50000, SUPPLYV2,
2628b100 AL	254	0, 5, ENC, 7, END, 7),
6c46ccc8 AB	255
	256	TPS6586X_FIXED_LDO(LDO_RTC, "REG-SYS", tps658640_rtc, SUPPLYV4, 3, 2,
	257	V4, 7, V4, 7),
	258	};
	259
844a4f0d	260	static struct tps6586x_regulator tps658643_regulator[] = {
2628b100 AL	261	TPS6586X_LDO_LINEAR(SM_2, "vin-sm2", 32, 1025000, 25000, SUPPLYV2,
2628b100 AL	262	0, 5, ENC, 7, END, 7),
844a4f0d SA	263	};
844a4f0d SA	264
49610235 MR	265	/*
	266	* TPS6586X has 2 enable bits that are OR'ed to determine the actual
	267	* regulator state. Clearing one of this bits allows switching
	268	* regulator on and of with single register write.
	269	*/
	270	static inline int tps6586x_regulator_preinit(struct device *parent,
	271	struct tps6586x_regulator *ri)
	272	{
	273	uint8_t val1, val2;
	274	int ret;
	275
1dbcf35c DH	276	if (ri->enable_reg[0] == ri->enable_reg[1] &&
	277	ri->enable_bit[0] == ri->enable_bit[1])
	278	return 0;
	279
49610235 MR	280	ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
	281	if (ret)
	282	return ret;
	283
	284	ret = tps6586x_read(parent, ri->enable_reg[1], &val2);
	285	if (ret)
	286	return ret;
	287
4f586707	288	if (!(val2 & (1 << ri->enable_bit[1])))
49610235 MR	289	return 0;
	290
	291	/*
	292	* The regulator is on, but it's enabled with the bit we don't
	293	* want to use, so we switch the enable bits
	294	*/
4f586707	295	if (!(val1 & (1 << ri->enable_bit[0]))) {
49610235 MR	296	ret = tps6586x_set_bits(parent, ri->enable_reg[0],
	297	1 << ri->enable_bit[0]);
	298	if (ret)
	299	return ret;
	300	}
	301
	302	return tps6586x_clr_bits(parent, ri->enable_reg[1],
	303	1 << ri->enable_bit[1]);
	304	}
	305
64e48160 LD	306	static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev,
64e48160 LD	307	int id, struct regulator_init_data *p)
500c524a XX	308	{
500c524a XX	309	struct device *parent = pdev->dev.parent;
500c524a XX	310	struct tps6586x_settings *setting = p->driver_data;
	311	uint8_t reg;
	312
	313	if (setting == NULL)
	314	return 0;
	315
	316	if (!(setting->slew_rate & TPS6586X_SLEW_RATE_SET))
	317	return 0;
	318
	319	/* only SM0 and SM1 can have the slew rate settings */
64e48160	320	switch (id) {
500c524a XX	321	case TPS6586X_ID_SM_0:
	322	reg = TPS6586X_SM0SL;
	323	break;
	324	case TPS6586X_ID_SM_1:
	325	reg = TPS6586X_SM1SL;
	326	break;
	327	default:
6673d66e	328	dev_err(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
500c524a XX	329	return -EINVAL;
	330	}
	331
	332	return tps6586x_write(parent, reg,
	333	setting->slew_rate & TPS6586X_SLEW_RATE_MASK);
	334	}
	335
844a4f0d	336	static struct tps6586x_regulator *find_regulator_info(int id, int version)
49610235 MR	337	{
49610235 MR	338	struct tps6586x_regulator *ri;
844a4f0d SA	339	struct tps6586x_regulator *table = NULL;
844a4f0d SA	340	int num;
49610235 MR	341	int i;
49610235 MR	342
844a4f0d SA	343	switch (version) {
	344	case TPS658623:
	345	table = tps658623_regulator;
	346	num = ARRAY_SIZE(tps658623_regulator);
	347	break;
6c46ccc8 AB	348	case TPS658640:
	349	case TPS658640v2:
	350	table = tps658640_regulator;
	351	num = ARRAY_SIZE(tps658640_regulator);
	352	break;
844a4f0d SA	353	case TPS658643:
	354	table = tps658643_regulator;
	355	num = ARRAY_SIZE(tps658643_regulator);
	356	break;
	357	}
	358
	359	/* Search version specific table first */
	360	if (table) {
	361	for (i = 0; i < num; i++) {
	362	ri = &table[i];
	363	if (ri->desc.id == id)
	364	return ri;
	365	}
	366	}
	367
49610235 MR	368	for (i = 0; i < ARRAY_SIZE(tps6586x_regulator); i++) {
	369	ri = &tps6586x_regulator[i];
	370	if (ri->desc.id == id)
	371	return ri;
	372	}
	373	return NULL;
	374	}
	375
64e48160 LD	376	#ifdef CONFIG_OF
	377	static struct of_regulator_match tps6586x_matches[] = {
	378	{ .name = "sys", .driver_data = (void *)TPS6586X_ID_SYS },
	379	{ .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 },
	380	{ .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 },
	381	{ .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 },
	382	{ .name = "ldo0", .driver_data = (void *)TPS6586X_ID_LDO_0 },
	383	{ .name = "ldo1", .driver_data = (void *)TPS6586X_ID_LDO_1 },
	384	{ .name = "ldo2", .driver_data = (void *)TPS6586X_ID_LDO_2 },
	385	{ .name = "ldo3", .driver_data = (void *)TPS6586X_ID_LDO_3 },
	386	{ .name = "ldo4", .driver_data = (void *)TPS6586X_ID_LDO_4 },
	387	{ .name = "ldo5", .driver_data = (void *)TPS6586X_ID_LDO_5 },
	388	{ .name = "ldo6", .driver_data = (void *)TPS6586X_ID_LDO_6 },
	389	{ .name = "ldo7", .driver_data = (void *)TPS6586X_ID_LDO_7 },
	390	{ .name = "ldo8", .driver_data = (void *)TPS6586X_ID_LDO_8 },
	391	{ .name = "ldo9", .driver_data = (void *)TPS6586X_ID_LDO_9 },
	392	{ .name = "ldo_rtc", .driver_data = (void *)TPS6586X_ID_LDO_RTC },
	393	};
	394
	395	static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
	396	struct platform_device *pdev,
	397	struct of_regulator_match **tps6586x_reg_matches)
	398	{
	399	const unsigned int num = ARRAY_SIZE(tps6586x_matches);
	400	struct device_node *np = pdev->dev.parent->of_node;
	401	struct device_node *regs;
	402	const char *sys_rail = NULL;
	403	unsigned int i;
	404	struct tps6586x_platform_data *pdata;
	405	int err;
	406
712c967f	407	regs = of_get_child_by_name(np, "regulators");
64e48160 LD	408	if (!regs) {
	409	dev_err(&pdev->dev, "regulator node not found\n");
	410	return NULL;
	411	}
	412
	413	err = of_regulator_match(&pdev->dev, regs, tps6586x_matches, num);
0a4cccaa	414	of_node_put(regs);
64e48160 LD	415	if (err < 0) {
64e48160 LD	416	dev_err(&pdev->dev, "Regulator match failed, e %d\n", err);
64e48160 LD	417	return NULL;
	418	}
	419
64e48160	420	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
02e90584	421	if (!pdata)
64e48160	422	return NULL;
64e48160 LD	423
64e48160 LD	424	for (i = 0; i < num; i++) {
a70f0d02	425	uintptr_t id;
64e48160 LD	426	if (!tps6586x_matches[i].init_data)
	427	continue;
	428
	429	pdata->reg_init_data[i] = tps6586x_matches[i].init_data;
a70f0d02	430	id = (uintptr_t)tps6586x_matches[i].driver_data;
64e48160 LD	431	if (id == TPS6586X_ID_SYS)
	432	sys_rail = pdata->reg_init_data[i]->constraints.name;
	433
	434	if ((id == TPS6586X_ID_LDO_5) \|\| (id == TPS6586X_ID_LDO_RTC))
	435	pdata->reg_init_data[i]->supply_regulator = sys_rail;
	436	}
	437	*tps6586x_reg_matches = tps6586x_matches;
	438	return pdata;
	439	}
	440	#else
	441	static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
	442	struct platform_device *pdev,
	443	struct of_regulator_match **tps6586x_reg_matches)
	444	{
	445	*tps6586x_reg_matches = NULL;
	446	return NULL;
	447	}
	448	#endif
	449
a5023574	450	static int tps6586x_regulator_probe(struct platform_device *pdev)
49610235 MR	451	{
49610235 MR	452	struct tps6586x_regulator *ri = NULL;
c172708d	453	struct regulator_config config = { };
d6fe2c72	454	struct regulator_dev *rdev;
64e48160 LD	455	struct regulator_init_data *reg_data;
	456	struct tps6586x_platform_data *pdata;
	457	struct of_regulator_match *tps6586x_reg_matches = NULL;
844a4f0d	458	int version;
64e48160	459	int id;
49610235 MR	460	int err;
49610235 MR	461
10835600	462	dev_dbg(&pdev->dev, "Probing regulator\n");
49610235	463
64e48160 LD	464	pdata = dev_get_platdata(pdev->dev.parent);
	465	if ((!pdata) && (pdev->dev.parent->of_node))
	466	pdata = tps6586x_parse_regulator_dt(pdev,
	467	&tps6586x_reg_matches);
49610235	468
64e48160 LD	469	if (!pdata) {
	470	dev_err(&pdev->dev, "Platform data not available, exiting\n");
	471	return -ENODEV;
	472	}
49610235	473
844a4f0d SA	474	version = tps6586x_get_version(pdev->dev.parent);
844a4f0d SA	475
64e48160 LD	476	for (id = 0; id < TPS6586X_ID_MAX_REGULATOR; ++id) {
	477	reg_data = pdata->reg_init_data[id];
	478
844a4f0d SA	479	ri = find_regulator_info(id, version);
844a4f0d SA	480
64e48160 LD	481	if (!ri) {
64e48160 LD	482	dev_err(&pdev->dev, "invalid regulator ID specified\n");
884ea557	483	return -EINVAL;
64e48160 LD	484	}
	485
	486	err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
	487	if (err) {
	488	dev_err(&pdev->dev,
	489	"regulator %d preinit failed, e %d\n", id, err);
884ea557	490	return err;
64e48160 LD	491	}
	492
	493	config.dev = pdev->dev.parent;
	494	config.init_data = reg_data;
	495	config.driver_data = ri;
	496
	497	if (tps6586x_reg_matches)
	498	config.of_node = tps6586x_reg_matches[id].of_node;
	499
d6fe2c72 AL	500	rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
d6fe2c72 AL	501	if (IS_ERR(rdev)) {
64e48160 LD	502	dev_err(&pdev->dev, "failed to register regulator %s\n",
64e48160 LD	503	ri->desc.name);
d6fe2c72	504	return PTR_ERR(rdev);
64e48160 LD	505	}
	506
	507	if (reg_data) {
	508	err = tps6586x_regulator_set_slew_rate(pdev, id,
	509	reg_data);
	510	if (err < 0) {
	511	dev_err(&pdev->dev,
	512	"Slew rate config failed, e %d\n", err);
884ea557	513	return err;
64e48160 LD	514	}
64e48160 LD	515	}
49610235 MR	516	}
49610235 MR	517
e7973c3c	518	platform_set_drvdata(pdev, rdev);
64e48160	519	return 0;
49610235 MR	520	}
	521
	522	static struct platform_driver tps6586x_regulator_driver = {
	523	.driver = {
ec8da805	524	.name = "tps6586x-regulator",
49610235 MR	525	},
49610235 MR	526	.probe = tps6586x_regulator_probe,
49610235 MR	527	};
	528
	529	static int __init tps6586x_regulator_init(void)
	530	{
	531	return platform_driver_register(&tps6586x_regulator_driver);
	532	}
	533	subsys_initcall(tps6586x_regulator_init);
	534
	535	static void __exit tps6586x_regulator_exit(void)
	536	{
	537	platform_driver_unregister(&tps6586x_regulator_driver);
	538	}
	539	module_exit(tps6586x_regulator_exit);
	540
	541	MODULE_LICENSE("GPL");
	542	MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
	543	MODULE_DESCRIPTION("Regulator Driver for TI TPS6586X PMIC");
	544	MODULE_ALIAS("platform:tps6586x-regulator");