[mirror_ubuntu-artful-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/of_regulator.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps65217.h>

#define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \
			   _t, _lr, _nlr,  _sr, _sm)	\
	{						\
		.name		= _name,		\
		.id		= _id,			\
		.of_match       = of_match_ptr(_of_match),    \
		.regulators_node= of_match_ptr("regulators"), \
		.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,			\
		.volt_table	= _t,			\
		.linear_ranges	= _lr,			\
		.n_linear_ranges = _nlr,		\
		.bypass_reg	= _sr,			\
		.bypass_mask	= _sm,			\
	}						\

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

static const struct regulator_linear_range tps65217_uv1_ranges[] = {
	REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
	REGULATOR_LINEAR_RANGE(1550000, 25, 30, 50000),
	REGULATOR_LINEAR_RANGE(1850000, 31, 52, 50000),
	REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
	REGULATOR_LINEAR_RANGE(3300000, 56, 62, 0),
};

static const struct regulator_linear_range tps65217_uv2_ranges[] = {
	REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000),
	REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000),
	REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000),
};

static int tps65217_pmic_enable(struct regulator_dev *dev)
{
	struct tps65217 *tps = rdev_get_drvdata(dev);
	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);
	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_set_suspend_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;

	return tps65217_clear_bits(tps, dev->desc->bypass_reg,
				   dev->desc->bypass_mask,
				   TPS65217_PROTECT_L1);
}

static int tps65217_pmic_set_suspend_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;

	if (!tps->strobes[rid])
		return -EINVAL;

	return tps65217_set_bits(tps, dev->desc->bypass_reg,
				 dev->desc->bypass_mask,
				 tps->strobes[rid], TPS65217_PROTECT_L1);
}

/* 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		= regulator_list_voltage_linear_range,
	.map_voltage		= regulator_map_voltage_linear_range,
	.set_suspend_enable	= tps65217_pmic_set_suspend_enable,
	.set_suspend_disable	= tps65217_pmic_set_suspend_disable,
};

/* 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		= regulator_list_voltage_table,
	.map_voltage		= regulator_map_voltage_ascend,
	.set_suspend_enable	= tps65217_pmic_set_suspend_enable,
	.set_suspend_disable	= tps65217_pmic_set_suspend_disable,
};

static const struct regulator_desc regulators[] = {
	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
			   TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
			   NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
			   TPS65217_SEQ1_DC1_SEQ_MASK),
	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
			   TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN,
			   NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
			   TPS65217_SEQ1_DC2_SEQ_MASK),
	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
			   TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
			   NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2,
			   TPS65217_SEQ2_DC3_SEQ_MASK),
	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
			   tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,
			   TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN,
			   LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2,
			   TPS65217_SEQ2_LDO1_SEQ_MASK),
	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops,
			   64, TPS65217_REG_DEFLDO2,
			   TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN,
			   NULL, tps65217_uv1_ranges,
			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3,
			   TPS65217_SEQ3_LDO2_SEQ_MASK),
	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops,
			   32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
			   TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
			   NULL, tps65217_uv2_ranges,
			   ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3,
			   TPS65217_SEQ3_LDO3_SEQ_MASK),
	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops,
			   32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
			   TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
			   NULL, tps65217_uv2_ranges,
			   ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4,
			   TPS65217_SEQ4_LDO4_SEQ_MASK),
};

static int tps65217_regulator_probe(struct platform_device *pdev)
{
	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
	struct tps65217_board *pdata = dev_get_platdata(tps->dev);
	struct regulator_dev *rdev;
	struct regulator_config config = { };
	int i, ret;
	unsigned int val;

	if (tps65217_chip_id(tps) != TPS65217) {
		dev_err(&pdev->dev, "Invalid tps chip version\n");
		return -ENODEV;
	}

	/* Allocate memory for strobes */
	tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
				    TPS65217_NUM_REGULATOR, GFP_KERNEL);

	platform_set_drvdata(pdev, tps);

	for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
		/* Register the regulators */
		config.dev = tps->dev;
		if (pdata)
			config.init_data = pdata->tps65217_init_data[i];
		config.driver_data = tps;
		config.regmap = tps->regmap;

		rdev = devm_regulator_register(&pdev->dev, &regulators[i],
					       &config);
		if (IS_ERR(rdev)) {
			dev_err(tps->dev, "failed to register %s regulator\n",
				pdev->name);
			return PTR_ERR(rdev);
		}

		/* Store default strobe info */
		ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val);
		tps->strobes[i] = val & regulators[i].bypass_mask;
	}

	return 0;
}

static struct platform_driver tps65217_regulator_driver = {
	.driver = {
		.name = "tps65217-pmic",
	},
	.probe = tps65217_regulator_probe,
};

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
1922b0f2	25	#include <linux/regulator/of_regulator.h>
a493077f AC	26	#include <linux/regulator/driver.h>
	27	#include <linux/regulator/machine.h>
	28	#include <linux/mfd/tps65217.h>
	29
7d42a7f2	30	#define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \
3de56099	31	_t, _lr, _nlr, _sr, _sm) \
a493077f AC	32	{ \
	33	.name = _name, \
	34	.id = _id, \
7d42a7f2 MB	35	.of_match = of_match_ptr(_of_match), \
7d42a7f2 MB	36	.regulators_node= of_match_ptr("regulators"), \
a493077f AC	37	.ops = &_ops, \
	38	.n_voltages = _n, \
	39	.type = REGULATOR_VOLTAGE, \
	40	.owner = THIS_MODULE, \
b4bc9ef6 AL	41	.vsel_reg = _vr, \
	42	.vsel_mask = _vm, \
	43	.enable_reg = TPS65217_REG_ENABLE, \
	44	.enable_mask = _em, \
d172f319	45	.volt_table = _t, \
6290d606 AL	46	.linear_ranges = _lr, \
6290d606 AL	47	.n_linear_ranges = _nlr, \
3de56099 RD	48	.bypass_reg = _sr, \
3de56099 RD	49	.bypass_mask = _sm, \
a493077f AC	50	} \
a493077f AC	51
d172f319	52	static const unsigned int LDO1_VSEL_table[] = {
a493077f AC	53	1000000, 1100000, 1200000, 1250000,
	54	1300000, 1350000, 1400000, 1500000,
	55	1600000, 1800000, 2500000, 2750000,
	56	2800000, 3000000, 3100000, 3300000,
	57	};
	58
6290d606	59	static const struct regulator_linear_range tps65217_uv1_ranges[] = {
8828bae4 AL	60	REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
	61	REGULATOR_LINEAR_RANGE(1550000, 25, 30, 50000),
	62	REGULATOR_LINEAR_RANGE(1850000, 31, 52, 50000),
	63	REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
	64	REGULATOR_LINEAR_RANGE(3300000, 56, 62, 0),
6290d606	65	};
a493077f	66
6290d606	67	static const struct regulator_linear_range tps65217_uv2_ranges[] = {
8828bae4 AL	68	REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000),
	69	REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000),
	70	REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000),
a493077f AC	71	};
a493077f AC	72
fc56911b	73	static int tps65217_pmic_enable(struct regulator_dev *dev)
a493077f	74	{
a493077f	75	struct tps65217 *tps = rdev_get_drvdata(dev);
6bdaaf0e	76	int rid = rdev_get_id(dev);
a493077f	77
fc56911b	78	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	79	return -EINVAL;
	80
	81	/* Enable the regulator and password protection is level 1 */
	82	return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6 AL	83	dev->desc->enable_mask, dev->desc->enable_mask,
b4bc9ef6 AL	84	TPS65217_PROTECT_L1);
a493077f AC	85	}
a493077f AC	86
fc56911b	87	static int tps65217_pmic_disable(struct regulator_dev *dev)
a493077f AC	88	{
a493077f AC	89	struct tps65217 *tps = rdev_get_drvdata(dev);
6bdaaf0e	90	int rid = rdev_get_id(dev);
a493077f	91
fc56911b	92	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	93	return -EINVAL;
	94
	95	/* Disable the regulator and password protection is level 1 */
	96	return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6	97	dev->desc->enable_mask, TPS65217_PROTECT_L1);
a493077f AC	98	}
a493077f AC	99
8b22285f AL	100	static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
8b22285f AL	101	unsigned selector)
a493077f	102	{
8b22285f	103	int ret;
a493077f	104	struct tps65217 *tps = rdev_get_drvdata(dev);
8b22285f	105	unsigned int rid = rdev_get_id(dev);
a493077f	106
8b22285f	107	/* Set the voltage based on vsel value and write protect level is 2 */
b4bc9ef6	108	ret = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,
8b22285f	109	selector, TPS65217_PROTECT_L2);
a493077f	110
8b22285f AL	111	/* Set GO bit for DCDCx to initiate voltage transistion */
	112	switch (rid) {
	113	case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
	114	ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
	115	TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
	116	TPS65217_PROTECT_L2);
	117	break;
	118	}
a493077f	119
8b22285f	120	return ret;
a493077f AC	121	}
a493077f AC	122
3de56099 RD	123	static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev)
	124	{
	125	struct tps65217 *tps = rdev_get_drvdata(dev);
	126	unsigned int rid = rdev_get_id(dev);
	127
	128	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
	129	return -EINVAL;
	130
	131	return tps65217_clear_bits(tps, dev->desc->bypass_reg,
	132	dev->desc->bypass_mask,
	133	TPS65217_PROTECT_L1);
	134	}
	135
	136	static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev)
	137	{
	138	struct tps65217 *tps = rdev_get_drvdata(dev);
	139	unsigned int rid = rdev_get_id(dev);
	140
	141	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
	142	return -EINVAL;
	143
	144	if (!tps->strobes[rid])
	145	return -EINVAL;
	146
	147	return tps65217_set_bits(tps, dev->desc->bypass_reg,
	148	dev->desc->bypass_mask,
	149	tps->strobes[rid], TPS65217_PROTECT_L1);
	150	}
	151
fc56911b AL	152	/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
fc56911b AL	153	static struct regulator_ops tps65217_pmic_ops = {
b4bc9ef6	154	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	155	.enable = tps65217_pmic_enable,
fc56911b AL	156	.disable = tps65217_pmic_disable,
b4bc9ef6	157	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	158	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
6290d606 AL	159	.list_voltage = regulator_list_voltage_linear_range,
6290d606 AL	160	.map_voltage = regulator_map_voltage_linear_range,
3de56099 RD	161	.set_suspend_enable = tps65217_pmic_set_suspend_enable,
3de56099 RD	162	.set_suspend_disable = tps65217_pmic_set_suspend_disable,
a493077f AC	163	};
	164
	165	/* Operations permitted on LDO1 */
	166	static struct regulator_ops tps65217_pmic_ldo1_ops = {
b4bc9ef6	167	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	168	.enable = tps65217_pmic_enable,
fc56911b AL	169	.disable = tps65217_pmic_disable,
b4bc9ef6	170	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	171	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
d172f319	172	.list_voltage = regulator_list_voltage_table,
5957ae1f	173	.map_voltage = regulator_map_voltage_ascend,
3de56099 RD	174	.set_suspend_enable = tps65217_pmic_set_suspend_enable,
3de56099 RD	175	.set_suspend_disable = tps65217_pmic_set_suspend_disable,
a493077f AC	176	};
a493077f AC	177
78637a3d	178	static const struct regulator_desc regulators[] = {
7d42a7f2 MB	179	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
	180	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
	181	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
b4c2e158 MA	182	NULL, tps65217_uv1_ranges,
b4c2e158 MA	183	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
3de56099	184	TPS65217_SEQ1_DC1_SEQ_MASK),
7d42a7f2 MB	185	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
	186	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
	187	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN,
	188	NULL, tps65217_uv1_ranges,
3de56099 RD	189	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
3de56099 RD	190	TPS65217_SEQ1_DC2_SEQ_MASK),
7d42a7f2 MB	191	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
	192	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
	193	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
b4c2e158 MA	194	NULL, tps65217_uv1_ranges,
b4c2e158 MA	195	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2,
3de56099	196	TPS65217_SEQ2_DC3_SEQ_MASK),
7d42a7f2 MB	197	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
	198	tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,
	199	TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN,
3de56099 RD	200	LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2,
3de56099 RD	201	TPS65217_SEQ2_LDO1_SEQ_MASK),
7d42a7f2 MB	202	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops,
	203	64, TPS65217_REG_DEFLDO2,
	204	TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN,
	205	NULL, tps65217_uv1_ranges,
3de56099 RD	206	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3,
3de56099 RD	207	TPS65217_SEQ3_LDO2_SEQ_MASK),
7d42a7f2 MB	208	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops,
7d42a7f2 MB	209	32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
d172f319	210	TPS65217_ENABLE_LS1_EN \| TPS65217_DEFLDO3_LDO3_EN,
6290d606	211	NULL, tps65217_uv2_ranges,
3de56099 RD	212	ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3,
3de56099 RD	213	TPS65217_SEQ3_LDO3_SEQ_MASK),
7d42a7f2 MB	214	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops,
7d42a7f2 MB	215	32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
d172f319	216	TPS65217_ENABLE_LS2_EN \| TPS65217_DEFLDO4_LDO4_EN,
6290d606	217	NULL, tps65217_uv2_ranges,
3de56099 RD	218	ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4,
3de56099 RD	219	TPS65217_SEQ4_LDO4_SEQ_MASK),
a493077f AC	220	};
a493077f AC	221
a5023574	222	static int tps65217_regulator_probe(struct platform_device *pdev)
a493077f	223	{
1922b0f2 AC	224	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
1922b0f2 AC	225	struct tps65217_board *pdata = dev_get_platdata(tps->dev);
a493077f	226	struct regulator_dev *rdev;
c172708d	227	struct regulator_config config = { };
3de56099 RD	228	int i, ret;
3de56099 RD	229	unsigned int val;
a493077f	230
1922b0f2 AC	231	if (tps65217_chip_id(tps) != TPS65217) {
	232	dev_err(&pdev->dev, "Invalid tps chip version\n");
	233	return -ENODEV;
	234	}
a493077f	235
3de56099 RD	236	/* Allocate memory for strobes */
	237	tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
	238	TPS65217_NUM_REGULATOR, GFP_KERNEL);
	239
1922b0f2	240	platform_set_drvdata(pdev, tps);
a493077f	241
1922b0f2	242	for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
1922b0f2	243	/* Register the regulators */
1922b0f2	244	config.dev = tps->dev;
81baf9fe MB	245	if (pdata)
81baf9fe MB	246	config.init_data = pdata->tps65217_init_data[i];
1922b0f2 AC	247	config.driver_data = tps;
1922b0f2 AC	248	config.regmap = tps->regmap;
1922b0f2	249
4aac198d SK	250	rdev = devm_regulator_register(&pdev->dev, &regulators[i],
4aac198d SK	251	&config);
1922b0f2 AC	252	if (IS_ERR(rdev)) {
	253	dev_err(tps->dev, "failed to register %s regulator\n",
	254	pdev->name);
4aac198d	255	return PTR_ERR(rdev);
1922b0f2	256	}
3de56099 RD	257
	258	/* Store default strobe info */
	259	ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val);
	260	tps->strobes[i] = val & regulators[i].bypass_mask;
1922b0f2	261	}
7d42a7f2	262
a493077f	263	return 0;
a493077f AC	264	}
	265
	266	static struct platform_driver tps65217_regulator_driver = {
	267	.driver = {
	268	.name = "tps65217-pmic",
	269	},
	270	.probe = tps65217_regulator_probe,
a493077f AC	271	};
	272
	273	static int __init tps65217_regulator_init(void)
	274	{
	275	return platform_driver_register(&tps65217_regulator_driver);
	276	}
	277	subsys_initcall(tps65217_regulator_init);
	278
	279	static void __exit tps65217_regulator_exit(void)
	280	{
	281	platform_driver_unregister(&tps65217_regulator_driver);
	282	}
	283	module_exit(tps65217_regulator_exit);
	284
a493077f AC	285	MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
	286	MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
	287	MODULE_ALIAS("platform:tps65217-pmic");
	288	MODULE_LICENSE("GPL v2");