[linux-block.git] / drivers / regulator / tps65217-regulator.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * tps65217-regulator.c
 *
 * Regulator driver for TPS65217 PMIC
 *
 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
 */

#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 linear_range tps65217_uv1_ranges[] = {
	REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
	REGULATOR_LINEAR_RANGE(1550000, 25, 52, 50000),
	REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
	REGULATOR_LINEAR_RANGE(3300000, 56, 63, 0),
};

static const struct 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_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_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 const 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 const 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;

	/* Allocate memory for strobes */
	tps->strobes = devm_kcalloc(&pdev->dev,
				    TPS65217_NUM_REGULATOR, sizeof(u8),
				    GFP_KERNEL);
	if (!tps->strobes)
		return -ENOMEM;

	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);
		if (ret)
			return ret;

		tps->strobes[i] = val & regulators[i].bypass_mask;
	}

	return 0;
}

static struct platform_driver tps65217_regulator_driver = {
	.driver = {
		.name = "tps65217-pmic",
		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
	},
	.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
2aec85b2	1	// SPDX-License-Identifier: GPL-2.0-only
a493077f AC	2	/*
	3	* tps65217-regulator.c
	4	*
	5	* Regulator driver for TPS65217 PMIC
	6	*
2ca76b3e	7	* Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
a493077f AC	8	*/
	9
	10	#include <linux/kernel.h>
	11	#include <linux/module.h>
	12	#include <linux/device.h>
	13	#include <linux/init.h>
	14	#include <linux/err.h>
	15	#include <linux/platform_device.h>
	16
1922b0f2	17	#include <linux/regulator/of_regulator.h>
a493077f AC	18	#include <linux/regulator/driver.h>
	19	#include <linux/regulator/machine.h>
	20	#include <linux/mfd/tps65217.h>
	21
7d42a7f2	22	#define TPS65217_REGULATOR(_name, _id, _of_match, _ops, _n, _vr, _vm, _em, \
3de56099	23	_t, _lr, _nlr, _sr, _sm) \
a493077f AC	24	{ \
	25	.name = _name, \
	26	.id = _id, \
7d42a7f2 MB	27	.of_match = of_match_ptr(_of_match), \
7d42a7f2 MB	28	.regulators_node= of_match_ptr("regulators"), \
a493077f AC	29	.ops = &_ops, \
	30	.n_voltages = _n, \
	31	.type = REGULATOR_VOLTAGE, \
	32	.owner = THIS_MODULE, \
b4bc9ef6 AL	33	.vsel_reg = _vr, \
	34	.vsel_mask = _vm, \
	35	.enable_reg = TPS65217_REG_ENABLE, \
	36	.enable_mask = _em, \
d172f319	37	.volt_table = _t, \
6290d606 AL	38	.linear_ranges = _lr, \
6290d606 AL	39	.n_linear_ranges = _nlr, \
3de56099 RD	40	.bypass_reg = _sr, \
3de56099 RD	41	.bypass_mask = _sm, \
a493077f AC	42	} \
a493077f AC	43
d172f319	44	static const unsigned int LDO1_VSEL_table[] = {
a493077f AC	45	1000000, 1100000, 1200000, 1250000,
	46	1300000, 1350000, 1400000, 1500000,
	47	1600000, 1800000, 2500000, 2750000,
	48	2800000, 3000000, 3100000, 3300000,
	49	};
	50
60ab7f41	51	static const struct linear_range tps65217_uv1_ranges[] = {
8828bae4	52	REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
689b9e02	53	REGULATOR_LINEAR_RANGE(1550000, 25, 52, 50000),
8828bae4	54	REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
0b5e200c	55	REGULATOR_LINEAR_RANGE(3300000, 56, 63, 0),
6290d606	56	};
a493077f	57
60ab7f41	58	static const struct linear_range tps65217_uv2_ranges[] = {
8828bae4 AL	59	REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000),
	60	REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000),
	61	REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000),
a493077f AC	62	};
a493077f AC	63
fc56911b	64	static int tps65217_pmic_enable(struct regulator_dev *dev)
a493077f	65	{
a493077f	66	struct tps65217 *tps = rdev_get_drvdata(dev);
6bdaaf0e	67	int rid = rdev_get_id(dev);
a493077f	68
fc56911b	69	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	70	return -EINVAL;
	71
	72	/* Enable the regulator and password protection is level 1 */
	73	return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6 AL	74	dev->desc->enable_mask, dev->desc->enable_mask,
b4bc9ef6 AL	75	TPS65217_PROTECT_L1);
a493077f AC	76	}
a493077f AC	77
fc56911b	78	static int tps65217_pmic_disable(struct regulator_dev *dev)
a493077f AC	79	{
a493077f AC	80	struct tps65217 *tps = rdev_get_drvdata(dev);
6bdaaf0e	81	int rid = rdev_get_id(dev);
a493077f	82
fc56911b	83	if (rid < TPS65217_DCDC_1 \|\| rid > TPS65217_LDO_4)
a493077f AC	84	return -EINVAL;
	85
	86	/* Disable the regulator and password protection is level 1 */
	87	return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
b4bc9ef6	88	dev->desc->enable_mask, TPS65217_PROTECT_L1);
a493077f AC	89	}
a493077f AC	90
8b22285f AL	91	static int tps65217_pmic_set_voltage_sel(struct regulator_dev *dev,
8b22285f AL	92	unsigned selector)
a493077f	93	{
8b22285f	94	int ret;
a493077f	95	struct tps65217 *tps = rdev_get_drvdata(dev);
8b22285f	96	unsigned int rid = rdev_get_id(dev);
a493077f	97
8b22285f	98	/* Set the voltage based on vsel value and write protect level is 2 */
b4bc9ef6	99	ret = tps65217_set_bits(tps, dev->desc->vsel_reg, dev->desc->vsel_mask,
8b22285f	100	selector, TPS65217_PROTECT_L2);
a493077f	101
8b22285f AL	102	/* Set GO bit for DCDCx to initiate voltage transistion */
	103	switch (rid) {
	104	case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
	105	ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
	106	TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
	107	TPS65217_PROTECT_L2);
	108	break;
	109	}
a493077f	110
8b22285f	111	return ret;
a493077f AC	112	}
a493077f AC	113
3de56099 RD	114	static int tps65217_pmic_set_suspend_enable(struct regulator_dev *dev)
	115	{
	116	struct tps65217 *tps = rdev_get_drvdata(dev);
	117	unsigned int rid = rdev_get_id(dev);
	118
f10a5e49	119	if (rid > TPS65217_LDO_4)
3de56099 RD	120	return -EINVAL;
	121
	122	return tps65217_clear_bits(tps, dev->desc->bypass_reg,
	123	dev->desc->bypass_mask,
	124	TPS65217_PROTECT_L1);
	125	}
	126
	127	static int tps65217_pmic_set_suspend_disable(struct regulator_dev *dev)
	128	{
	129	struct tps65217 *tps = rdev_get_drvdata(dev);
	130	unsigned int rid = rdev_get_id(dev);
	131
f10a5e49	132	if (rid > TPS65217_LDO_4)
3de56099 RD	133	return -EINVAL;
	134
	135	if (!tps->strobes[rid])
	136	return -EINVAL;
	137
	138	return tps65217_set_bits(tps, dev->desc->bypass_reg,
	139	dev->desc->bypass_mask,
	140	tps->strobes[rid], TPS65217_PROTECT_L1);
	141	}
	142
fc56911b	143	/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
2c33b50e	144	static const struct regulator_ops tps65217_pmic_ops = {
b4bc9ef6	145	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	146	.enable = tps65217_pmic_enable,
fc56911b AL	147	.disable = tps65217_pmic_disable,
b4bc9ef6	148	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	149	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
6290d606 AL	150	.list_voltage = regulator_list_voltage_linear_range,
6290d606 AL	151	.map_voltage = regulator_map_voltage_linear_range,
3de56099 RD	152	.set_suspend_enable = tps65217_pmic_set_suspend_enable,
3de56099 RD	153	.set_suspend_disable = tps65217_pmic_set_suspend_disable,
a493077f AC	154	};
	155
	156	/* Operations permitted on LDO1 */
2c33b50e	157	static const struct regulator_ops tps65217_pmic_ldo1_ops = {
b4bc9ef6	158	.is_enabled = regulator_is_enabled_regmap,
fc56911b AL	159	.enable = tps65217_pmic_enable,
fc56911b AL	160	.disable = tps65217_pmic_disable,
b4bc9ef6	161	.get_voltage_sel = regulator_get_voltage_sel_regmap,
8b22285f	162	.set_voltage_sel = tps65217_pmic_set_voltage_sel,
d172f319	163	.list_voltage = regulator_list_voltage_table,
5957ae1f	164	.map_voltage = regulator_map_voltage_ascend,
3de56099 RD	165	.set_suspend_enable = tps65217_pmic_set_suspend_enable,
3de56099 RD	166	.set_suspend_disable = tps65217_pmic_set_suspend_disable,
a493077f AC	167	};
a493077f AC	168
78637a3d	169	static const struct regulator_desc regulators[] = {
7d42a7f2 MB	170	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
	171	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
	172	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
b4c2e158 MA	173	NULL, tps65217_uv1_ranges,
b4c2e158 MA	174	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
3de56099	175	TPS65217_SEQ1_DC1_SEQ_MASK),
7d42a7f2 MB	176	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
	177	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
	178	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC2_EN,
	179	NULL, tps65217_uv1_ranges,
3de56099 RD	180	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
3de56099 RD	181	TPS65217_SEQ1_DC2_SEQ_MASK),
7d42a7f2 MB	182	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
	183	tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
	184	TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
b4c2e158 MA	185	NULL, tps65217_uv1_ranges,
b4c2e158 MA	186	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2,
3de56099	187	TPS65217_SEQ2_DC3_SEQ_MASK),
7d42a7f2 MB	188	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
	189	tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,
	190	TPS65217_DEFLDO1_LDO1_MASK, TPS65217_ENABLE_LDO1_EN,
3de56099 RD	191	LDO1_VSEL_table, NULL, 0, TPS65217_REG_SEQ2,
3de56099 RD	192	TPS65217_SEQ2_LDO1_SEQ_MASK),
7d42a7f2 MB	193	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, "ldo2", tps65217_pmic_ops,
	194	64, TPS65217_REG_DEFLDO2,
	195	TPS65217_DEFLDO2_LDO2_MASK, TPS65217_ENABLE_LDO2_EN,
	196	NULL, tps65217_uv1_ranges,
3de56099 RD	197	ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ3,
3de56099 RD	198	TPS65217_SEQ3_LDO2_SEQ_MASK),
7d42a7f2 MB	199	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, "ldo3", tps65217_pmic_ops,
7d42a7f2 MB	200	32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK,
d172f319	201	TPS65217_ENABLE_LS1_EN \| TPS65217_DEFLDO3_LDO3_EN,
6290d606	202	NULL, tps65217_uv2_ranges,
3de56099 RD	203	ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ3,
3de56099 RD	204	TPS65217_SEQ3_LDO3_SEQ_MASK),
7d42a7f2 MB	205	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, "ldo4", tps65217_pmic_ops,
7d42a7f2 MB	206	32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK,
d172f319	207	TPS65217_ENABLE_LS2_EN \| TPS65217_DEFLDO4_LDO4_EN,
6290d606	208	NULL, tps65217_uv2_ranges,
3de56099 RD	209	ARRAY_SIZE(tps65217_uv2_ranges), TPS65217_REG_SEQ4,
3de56099 RD	210	TPS65217_SEQ4_LDO4_SEQ_MASK),
a493077f AC	211	};
a493077f AC	212
a5023574	213	static int tps65217_regulator_probe(struct platform_device *pdev)
a493077f	214	{
1922b0f2 AC	215	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
1922b0f2 AC	216	struct tps65217_board *pdata = dev_get_platdata(tps->dev);
a493077f	217	struct regulator_dev *rdev;
c172708d	218	struct regulator_config config = { };
3de56099 RD	219	int i, ret;
3de56099 RD	220	unsigned int val;
a493077f	221
3de56099	222	/* Allocate memory for strobes */
a86854d0 KC	223	tps->strobes = devm_kcalloc(&pdev->dev,
	224	TPS65217_NUM_REGULATOR, sizeof(u8),
	225	GFP_KERNEL);
4f919ca2 AV	226	if (!tps->strobes)
4f919ca2 AV	227	return -ENOMEM;
3de56099	228
1922b0f2	229	platform_set_drvdata(pdev, tps);
a493077f	230
1922b0f2	231	for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
1922b0f2	232	/* Register the regulators */
1922b0f2	233	config.dev = tps->dev;
81baf9fe MB	234	if (pdata)
81baf9fe MB	235	config.init_data = pdata->tps65217_init_data[i];
1922b0f2 AC	236	config.driver_data = tps;
1922b0f2 AC	237	config.regmap = tps->regmap;
1922b0f2	238
4aac198d SK	239	rdev = devm_regulator_register(&pdev->dev, &regulators[i],
4aac198d SK	240	&config);
1922b0f2 AC	241	if (IS_ERR(rdev)) {
	242	dev_err(tps->dev, "failed to register %s regulator\n",
	243	pdev->name);
4aac198d	244	return PTR_ERR(rdev);
1922b0f2	245	}
3de56099 RD	246
	247	/* Store default strobe info */
	248	ret = tps65217_reg_read(tps, regulators[i].bypass_reg, &val);
44455a6d LJ	249	if (ret)
	250	return ret;
	251
3de56099	252	tps->strobes[i] = val & regulators[i].bypass_mask;
1922b0f2	253	}
7d42a7f2	254
a493077f	255	return 0;
a493077f AC	256	}
	257
	258	static struct platform_driver tps65217_regulator_driver = {
	259	.driver = {
	260	.name = "tps65217-pmic",
259b93b2	261	.probe_type = PROBE_PREFER_ASYNCHRONOUS,
a493077f AC	262	},
a493077f AC	263	.probe = tps65217_regulator_probe,
a493077f AC	264	};
	265
	266	static int __init tps65217_regulator_init(void)
	267	{
	268	return platform_driver_register(&tps65217_regulator_driver);
	269	}
	270	subsys_initcall(tps65217_regulator_init);
	271
	272	static void __exit tps65217_regulator_exit(void)
	273	{
	274	platform_driver_unregister(&tps65217_regulator_driver);
	275	}
	276	module_exit(tps65217_regulator_exit);
	277
a493077f AC	278	MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
	279	MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
	280	MODULE_ALIAS("platform:tps65217-pmic");
	281	MODULE_LICENSE("GPL v2");