[mirror_ubuntu-bionic-kernel.git] / drivers / regulator / tps65217-regulator.c

/*
 * tps65217-regulator.c
 *
 * Regulator driver for TPS65217 PMIC
 *
 * Copyright (C) 2011 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 as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License 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/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65217.h>

#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em)	\
	{						\
		.name		= _name,		\
		.id		= _id,			\
		.ops		= &_ops,		\
		.n_voltages	= _n,			\
		.type		= REGULATOR_VOLTAGE,	\
		.owner		= THIS_MODULE,		\
		.vsel_reg	= _vr,			\
		.vsel_mask	= _vm,			\
		.enable_reg	= TPS65217_REG_ENABLE,	\
		.enable_mask	= _em,			\
	}						\

#define TPS65217_INFO(_nm, _min, _max, _f1, _f2, _t, _n)\
	{						\
		.name		= _nm,			\
		.min_uV		= _min,			\
		.max_uV		= _max,			\
		.vsel_to_uv	= _f1,			\
		.uv_to_vsel	= _f2,			\
		.table		= _t,			\
		.table_len	= _n,			\
	}

static const int LDO1_VSEL_table[] = {
	1000000, 1100000, 1200000, 1250000,
	1300000, 1350000, 1400000, 1500000,
	1600000, 1800000, 2500000, 2750000,
	2800000, 3000000, 3100000, 3300000,
};

static int tps65217_vsel_to_uv1(unsigned int vsel)
{
	int uV = 0;

	if (vsel > 63)
		return -EINVAL;

	if (vsel <= 24)
		uV = vsel * 25000 + 900000;
	else if (vsel <= 52)
		uV = (vsel - 24) * 50000 + 1500000;
	else if (vsel < 56)
		uV = (vsel - 52) * 100000 + 2900000;
	else
		uV = 3300000;

	return uV;
}

static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
{
	if ((uV < 0) && (uV > 3300000))
		return -EINVAL;

	if (uV <= 1500000)
		*vsel = DIV_ROUND_UP(uV - 900000, 25000);
	else if (uV <= 2900000)
		*vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
	else if (uV < 3300000)
		*vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
	else
		*vsel = 56;

	return 0;
}

static int tps65217_vsel_to_uv2(unsigned int vsel)
{
	int uV = 0;

	if (vsel > 31)
		return -EINVAL;

	if (vsel <= 8)
		uV = vsel * 50000 + 1500000;
	else if (vsel <= 13)
		uV = (vsel - 8) * 100000 + 1900000;
	else
		uV = (vsel - 13) * 50000 + 2400000;

	return uV;
}

static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
{
	if ((uV < 0) && (uV > 3300000))
		return -EINVAL;

	if (uV <= 1900000)
		*vsel = DIV_ROUND_UP(uV - 1500000, 50000);
	else if (uV <= 2400000)
		*vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
	else
		*vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);

	return 0;
}

static struct tps_info tps65217_pmic_regs[] = {
	TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1, NULL, 64),
	TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1, NULL, 64),
	TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1, NULL, 64),
	TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL, LDO1_VSEL_table,
			16),
	TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
			tps65217_uv_to_vsel1, NULL, 64),
	TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
			tps65217_uv_to_vsel2, NULL, 32),
	TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
			tps65217_uv_to_vsel2, NULL, 32),
};

static int tps65217_pmic_enable(struct regulator_dev *dev)
{
	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int rid = rdev_get_id(dev);

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	/* Enable the regulator and password protection is level 1 */
	return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
				 dev->desc->enable_mask, dev->desc->enable_mask,
				 TPS65217_PROTECT_L1);
}

static int tps65217_pmic_disable(struct regulator_dev *dev)
{
	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int rid = rdev_get_id(dev);

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	/* Disable the regulator and password protection is level 1 */
	return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
				   dev->desc->enable_mask, TPS65217_PROTECT_L1);
}

static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
					 unsigned selector)
{
	int ret;
	struct tps65217 *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 = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,
				selector, TPS65217_PROTECT_L2);

	/* Set GO bit for DCDCx to initiate voltage transistion */
	switch (rid) {
	case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
		ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
				       TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
				       TPS65217_PROTECT_L2);
		break;
	}

	return ret;
}

static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
				     int min_uV, int max_uV)
{

	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int sel, rid = rdev_get_id(dev);
	int ret;

	/* LDO1 uses regulator_map_voltage_iterate() */
	if (rid == TPS65217_LDO_1)
		return -EINVAL;

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	if (min_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
		return -EINVAL;

	if (max_uV < tps->info[rid]->min_uV || max_uV > tps->info[rid]->max_uV)
		return -EINVAL;

	ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
	if (ret)
		return ret;

	return sel;
}

static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
					unsigned selector)
{
	struct tps65217 *tps = rdev_get_drvdata(dev);
	unsigned int rid = rdev_get_id(dev);

	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
		return -EINVAL;

	if (selector >= tps->info[rid]->table_len)
		return -EINVAL;

	if (tps->info[rid]->table)
		return tps->info[rid]->table[selector];

	return tps->info[rid]->vsel_to_uv(selector);
}

/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
static struct regulator_ops tps65217_pmic_ops = {
	.is_enabled		= regulator_is_enabled_regmap,
	.enable			= tps65217_pmic_enable,
	.disable		= tps65217_pmic_disable,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= tps65217_pmic_set_voltage_sel,
	.list_voltage		= tps65217_pmic_list_voltage,
	.map_voltage		= tps65217_pmic_map_voltage,
};

/* Operations permitted on LDO1 */
static struct regulator_ops tps65217_pmic_ldo1_ops = {
	.is_enabled		= regulator_is_enabled_regmap,
	.enable			= tps65217_pmic_enable,
	.disable		= tps65217_pmic_disable,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= tps65217_pmic_set_voltage_sel,
	.list_voltage		= tps65217_pmic_list_voltage,
};

static const struct regulator_desc regulators[] = {
	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC1_EN),
	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC2_EN),
	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK,
			   TPS65217_ENABLE_DC3_EN),
	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16,
			   TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK,
			   TPS65217_ENABLE_LDO1_EN),
	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64,
			   TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK,
			   TPS65217_ENABLE_LDO2_EN),
	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32,
			   TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
			   TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN),
	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32,
			   TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
			   TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN),
};

static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
{
	struct regulator_dev *rdev;
	struct tps65217 *tps;
	struct tps_info *info = &tps65217_pmic_regs[pdev->id];
	struct regulator_config config = { };

	/* Already set by core driver */
	tps = dev_to_tps65217(pdev->dev.parent);
	tps->info[pdev->id] = info;

	config.dev = &pdev->dev;
	config.init_data = pdev->dev.platform_data;
	config.driver_data = tps;

	rdev = regulator_register(&regulators[pdev->id], &config);
	if (IS_ERR(rdev))
		return PTR_ERR(rdev);

	platform_set_drvdata(pdev, rdev);

	return 0;
}

static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
{
	struct regulator_dev *rdev = platform_get_drvdata(pdev);

	platform_set_drvdata(pdev, NULL);
	regulator_unregister(rdev);

	return 0;
}

static struct platform_driver tps65217_regulator_driver = {
	.driver = {
		.name = "tps65217-pmic",
	},
	.probe = tps65217_regulator_probe,
	.remove = __devexit_p(tps65217_regulator_remove),
};

static int __init tps65217_regulator_init(void)
{
	return platform_driver_register(&tps65217_regulator_driver);
}
subsys_initcall(tps65217_regulator_init);

static void __exit tps65217_regulator_exit(void)
{
	platform_driver_unregister(&tps65217_regulator_driver);
}
module_exit(tps65217_regulator_exit);

MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
MODULE_ALIAS("platform:tps65217-pmic");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
a493077f AC	1	/*
	2	* tps65217-regulator.c
	3	*
	4	* Regulator driver for TPS65217 PMIC
	5	*
	6	* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation version 2.
	11	*
	12	* This program is distributed "as is" WITHOUT ANY WARRANTY of any
	13	* kind, whether express or implied; without even the implied warranty
	14	* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*/
	17
	18	#include <linux/kernel.h>
	19	#include <linux/module.h>
	20	#include <linux/device.h>
	21	#include <linux/init.h>
	22	#include <linux/err.h>
	23	#include <linux/platform_device.h>
	24
	25	#include <linux/regulator/driver.h>
	26	#include <linux/regulator/machine.h>
	27	#include <linux/mfd/tps65217.h>
	28
b4bc9ef6	29	#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em) \
a493077f AC	30	{ \
	31	.name = _name, \
	32	.id = _id, \
	33	.ops = &_ops, \
	34	.n_voltages = _n, \
	35	.type = REGULATOR_VOLTAGE, \
	36	.owner = THIS_MODULE, \
b4bc9ef6 AL	37	.vsel_reg = _vr, \
	38	.vsel_mask = _vm, \
	39	.enable_reg = TPS65217_REG_ENABLE, \
	40	.enable_mask = _em, \
a493077f AC	41	} \
a493077f AC	42
b4bc9ef6	43	#define TPS65217_INFO(_nm, _min, _max, _f1, _f2, _t, _n)\
a493077f AC	44	{ \
	45	.name = _nm, \
	46	.min_uV = _min, \
	47	.max_uV = _max, \
	48	.vsel_to_uv = _f1, \
	49	.uv_to_vsel = _f2, \
	50	.table = _t, \
	51	.table_len = _n, \
a493077f AC	52	}
	53
	54	static const int LDO1_VSEL_table[] = {
	55	1000000, 1100000, 1200000, 1250000,
	56	1300000, 1350000, 1400000, 1500000,
	57	1600000, 1800000, 2500000, 2750000,
	58	2800000, 3000000, 3100000, 3300000,
	59	};
	60
	61	static int tps65217_vsel_to_uv1(unsigned int vsel)
	62	{
	63	int uV = 0;
	64
	65	if (vsel > 63)
	66	return -EINVAL;
	67
	68	if (vsel <= 24)
	69	uV = vsel * 25000 + 900000;
	70	else if (vsel <= 52)
	71	uV = (vsel - 24) * 50000 + 1500000;
	72	else if (vsel < 56)
	73	uV = (vsel - 52) * 100000 + 2900000;
	74	else
	75	uV = 3300000;
	76
	77	return uV;
	78	}
	79
	80	static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
	81	{
	82	if ((uV < 0) && (uV > 3300000))
	83	return -EINVAL;
	84
	85	if (uV <= 1500000)
2fe4e025	86	*vsel = DIV_ROUND_UP(uV - 900000, 25000);
a493077f	87	else if (uV <= 2900000)
2fe4e025	88	*vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
a493077f	89	else if (uV < 3300000)
2fe4e025	90	*vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
a493077f AC	91	else
	92	*vsel = 56;
	93
	94	return 0;
	95	}
	96
	97	static int tps65217_vsel_to_uv2(unsigned int vsel)
	98	{
	99	int uV = 0;
	100
	101	if (vsel > 31)
	102	return -EINVAL;
	103
	104	if (vsel <= 8)
	105	uV = vsel * 50000 + 1500000;
	106	else if (vsel <= 13)
	107	uV = (vsel - 8) * 100000 + 1900000;
	108	else
	109	uV = (vsel - 13) * 50000 + 2400000;
	110
	111	return uV;
	112	}
	113
	114	static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
	115	{
	116	if ((uV < 0) && (uV > 3300000))
	117	return -EINVAL;
	118
	119	if (uV <= 1900000)
2fe4e025	120	*vsel = DIV_ROUND_UP(uV - 1500000, 50000);
a493077f	121	else if (uV <= 2400000)
2fe4e025	122	*vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
a493077f	123	else
2fe4e025	124	*vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);
a493077f AC	125
	126	return 0;
	127	}
	128
	129	static struct tps_info tps65217_pmic_regs[] = {
	130	TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
b4bc9ef6	131	tps65217_uv_to_vsel1, NULL, 64),
a493077f	132	TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
b4bc9ef6	133	tps65217_uv_to_vsel1, NULL, 64),
a493077f	134	TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
b4bc9ef6	135	tps65217_uv_to_vsel1, NULL, 64),
a493077f	136	TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL, LDO1_VSEL_table,
b4bc9ef6	137	16),
a493077f	138	TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
b4bc9ef6	139	tps65217_uv_to_vsel1, NULL, 64),
a493077f	140	TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
b4bc9ef6	141	tps65217_uv_to_vsel2, NULL, 32),
a493077f	142	TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
b4bc9ef6	143	tps65217_uv_to_vsel2, NULL, 32),
a493077f AC	144	};
a493077f AC	145
fc56911b	146	static int tps65217_pmic_enable(struct regulator_dev *dev)
a493077f	147	{
a493077f	148	struct tps65217 *tps = rdev_get_drvdata(dev);
fc56911b	149	unsigned int rid = rdev_get_id(dev);
a493077f	150
fc56911b	151	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	152	return -EINVAL;
	153
	154	/* Enable the regulator and password protection is level 1 */
	155	return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6 AL	156	dev->desc->enable_mask, dev->desc->enable_mask,
b4bc9ef6 AL	157	TPS65217_PROTECT_L1);
a493077f AC	158	}
a493077f AC	159
fc56911b	160	static int tps65217_pmic_disable(struct regulator_dev *dev)
a493077f AC	161	{
a493077f AC	162	struct tps65217 *tps = rdev_get_drvdata(dev);
fc56911b	163	unsigned int rid = rdev_get_id(dev);
a493077f	164
fc56911b	165	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	166	return -EINVAL;
	167
	168	/* Disable the regulator and password protection is level 1 */
	169	return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6	170	dev->desc->enable_mask, TPS65217_PROTECT_L1);
a493077f AC	171	}
a493077f AC	172
8b22285f AL	173	static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
8b22285f AL	174	unsigned selector)
a493077f	175	{
8b22285f	176	int ret;
a493077f	177	struct tps65217 *tps = rdev_get_drvdata(dev);
8b22285f	178	unsigned int rid = rdev_get_id(dev);
a493077f	179
8b22285f	180	/* Set the voltage based on vsel value and write protect level is 2 */
b4bc9ef6	181	ret = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,
8b22285f	182	selector, TPS65217_PROTECT_L2);
a493077f	183
8b22285f AL	184	/* Set GO bit for DCDCx to initiate voltage transistion */
	185	switch (rid) {
	186	case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
	187	ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
	188	TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
	189	TPS65217_PROTECT_L2);
	190	break;
	191	}
a493077f	192
8b22285f	193	return ret;
a493077f AC	194	}
a493077f AC	195
8b22285f AL	196	static int tps65217_pmic_map_voltage(struct regulator_dev *dev,
8b22285f AL	197	int min_uV, int max_uV)
a493077f	198	{
8b22285f	199
a493077f	200	struct tps65217 *tps = rdev_get_drvdata(dev);
8b22285f AL	201	unsigned int sel, rid = rdev_get_id(dev);
8b22285f AL	202	int ret;
a493077f	203
8b22285f	204	/* LDO1 uses regulator_map_voltage_iterate() */
fc56911b	205	if (rid == TPS65217_LDO_1)
a493077f AC	206	return -EINVAL;
a493077f AC	207
fc56911b	208	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	209	return -EINVAL;
a493077f AC	210
8b22285f	211	if (min_uV < tps->info[rid]->min_uV \|\| min_uV > tps->info[rid]->max_uV)
a493077f AC	212	return -EINVAL;
a493077f AC	213
8b22285f	214	if (max_uV < tps->info[rid]->min_uV \|\| max_uV > tps->info[rid]->max_uV)
fc56911b AL	215	return -EINVAL;
fc56911b AL	216
8b22285f	217	ret = tps->info[rid]->uv_to_vsel(min_uV, &sel);
a493077f AC	218	if (ret)
	219	return ret;
	220
8b22285f	221	return sel;
a493077f AC	222	}
a493077f AC	223
fc56911b	224	static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
a493077f AC	225	unsigned selector)
	226	{
	227	struct tps65217 *tps = rdev_get_drvdata(dev);
fc56911b	228	unsigned int rid = rdev_get_id(dev);
a493077f	229
fc56911b	230	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	231	return -EINVAL;
a493077f AC	232
fc56911b	233	if (selector >= tps->info[rid]->table_len)
a493077f AC	234	return -EINVAL;
a493077f AC	235
fc56911b AL	236	if (tps->info[rid]->table)
fc56911b AL	237	return tps->info[rid]->table[selector];
a493077f	238
fc56911b	239	return tps->info[rid]->vsel_to_uv(selector);
a493077f AC	240	}
a493077f AC	241
fc56911b AL	242	/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
fc56911b AL	243	static struct regulator_ops tps65217_pmic_ops = {
b4bc9ef6	244	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	245	.enable = tps65217_pmic_enable,
fc56911b AL	246	.disable = tps65217_pmic_disable,
b4bc9ef6	247	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	248	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
fc56911b	249	.list_voltage = tps65217_pmic_list_voltage,
8b22285f	250	.map_voltage = tps65217_pmic_map_voltage,
a493077f AC	251	};
	252
	253	/* Operations permitted on LDO1 */
	254	static struct regulator_ops tps65217_pmic_ldo1_ops = {
b4bc9ef6	255	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	256	.enable = tps65217_pmic_enable,
fc56911b AL	257	.disable = tps65217_pmic_disable,
b4bc9ef6	258	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	259	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
fc56911b	260	.list_voltage = tps65217_pmic_list_voltage,
a493077f AC	261	};
a493077f AC	262
78637a3d	263	static const struct regulator_desc regulators[] = {
b4bc9ef6 AL	264	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64,
	265	TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK,
	266	TPS65217_ENABLE_DC1_EN),
	267	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64,
	268	TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK,
	269	TPS65217_ENABLE_DC2_EN),
	270	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64,
	271	TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK,
	272	TPS65217_ENABLE_DC3_EN),
	273	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16,
	274	TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK,
	275	TPS65217_ENABLE_LDO1_EN),
	276	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64,
	277	TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK,
	278	TPS65217_ENABLE_LDO2_EN),
	279	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32,
	280	TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
	281	TPS65217_ENABLE_LS1_EN \| TPS65217_DEFLDO3_LDO3_EN),
	282	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32,
	283	TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
	284	TPS65217_ENABLE_LS2_EN \| TPS65217_DEFLDO4_LDO4_EN),
a493077f AC	285	};
	286
	287	static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
	288	{
	289	struct regulator_dev *rdev;
	290	struct tps65217 *tps;
	291	struct tps_info *info = &tps65217_pmic_regs[pdev->id];
c172708d	292	struct regulator_config config = { };
a493077f AC	293
	294	/* Already set by core driver */
	295	tps = dev_to_tps65217(pdev->dev.parent);
	296	tps->info[pdev->id] = info;
	297
c172708d MB	298	config.dev = &pdev->dev;
	299	config.init_data = pdev->dev.platform_data;
	300	config.driver_data = tps;
	301
	302	rdev = regulator_register(&regulators[pdev->id], &config);
a493077f AC	303	if (IS_ERR(rdev))
	304	return PTR_ERR(rdev);
	305
	306	platform_set_drvdata(pdev, rdev);
	307
	308	return 0;
	309	}
	310
	311	static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
	312	{
	313	struct regulator_dev *rdev = platform_get_drvdata(pdev);
	314
	315	platform_set_drvdata(pdev, NULL);
	316	regulator_unregister(rdev);
	317
	318	return 0;
	319	}
	320
	321	static struct platform_driver tps65217_regulator_driver = {
	322	.driver = {
	323	.name = "tps65217-pmic",
	324	},
	325	.probe = tps65217_regulator_probe,
	326	.remove = __devexit_p(tps65217_regulator_remove),
	327	};
	328
	329	static int __init tps65217_regulator_init(void)
	330	{
	331	return platform_driver_register(&tps65217_regulator_driver);
	332	}
	333	subsys_initcall(tps65217_regulator_init);
	334
	335	static void __exit tps65217_regulator_exit(void)
	336	{
	337	platform_driver_unregister(&tps65217_regulator_driver);
	338	}
	339	module_exit(tps65217_regulator_exit);
	340
a493077f AC	341	MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
	342	MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
	343	MODULE_ALIAS("platform:tps65217-pmic");
	344	MODULE_LICENSE("GPL v2");