[linux-2.6-block.git] / drivers / regulator / rn5t618-regulator.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Regulator driver for Ricoh RN5T618 PMIC
 *
 * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
 */

#include <linux/mfd/rn5t618.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>

static const struct regulator_ops rn5t618_reg_ops = {
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.is_enabled		= regulator_is_enabled_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.list_voltage		= regulator_list_voltage_linear,
};

#define REG(rid, ereg, emask, vreg, vmask, min, max, step)		\
	{								\
		.name		= #rid,					\
		.of_match	= of_match_ptr(#rid),			\
		.regulators_node = of_match_ptr("regulators"),		\
		.id		= RN5T618_##rid,			\
		.type		= REGULATOR_VOLTAGE,			\
		.owner		= THIS_MODULE,				\
		.ops		= &rn5t618_reg_ops,			\
		.n_voltages	= ((max) - (min)) / (step) + 1,		\
		.min_uV		= (min),				\
		.uV_step	= (step),				\
		.enable_reg	= RN5T618_##ereg,			\
		.enable_mask	= (emask),				\
		.vsel_reg	= RN5T618_##vreg,			\
		.vsel_mask	= (vmask),				\
	}

static const struct regulator_desc rn5t567_regulators[] = {
	/* DCDC */
	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
	/* LDO */
	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000),
	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),
	/* LDO RTC */
	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1200000, 3500000, 25000),
	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
};

static const struct regulator_desc rn5t618_regulators[] = {
	/* DCDC */
	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	/* LDO */
	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000),
	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),
	/* LDO RTC */
	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
};

static const struct regulator_desc rc5t619_regulators[] = {
	/* DCDC */
	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
	REG(DCDC5, DC5CTL, BIT(0), DC5DAC, 0xff, 600000, 3500000, 12500),
	/* LDO */
	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 600000, 3500000, 25000),
	REG(LDO6, LDOEN1, BIT(5), LDO6DAC, 0x7f, 600000, 3500000, 25000),
	REG(LDO7, LDOEN1, BIT(6), LDO7DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO8, LDOEN1, BIT(7), LDO8DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO9, LDOEN2, BIT(0), LDO9DAC, 0x7f, 900000, 3500000, 25000),
	REG(LDO10, LDOEN2, BIT(1), LDO10DAC, 0x7f, 900000, 3500000, 25000),
	/* LDO RTC */
	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
};

static int rn5t618_regulator_probe(struct platform_device *pdev)
{
	struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent);
	struct regulator_config config = { };
	struct regulator_dev *rdev;
	const struct regulator_desc *regulators;
	int i;
	int num_regulators = 0;

	switch (rn5t618->variant) {
	case RN5T567:
		regulators = rn5t567_regulators;
		num_regulators = ARRAY_SIZE(rn5t567_regulators);
		break;
	case RN5T618:
		regulators = rn5t618_regulators;
		num_regulators = ARRAY_SIZE(rn5t618_regulators);
		break;
	case RC5T619:
		regulators = rc5t619_regulators;
		num_regulators = ARRAY_SIZE(rc5t619_regulators);
		break;
	default:
		return -EINVAL;
	}

	config.dev = pdev->dev.parent;
	config.regmap = rn5t618->regmap;

	for (i = 0; i < num_regulators; i++) {
		rdev = devm_regulator_register(&pdev->dev,
					       &regulators[i],
					       &config);
		if (IS_ERR(rdev)) {
			dev_err(&pdev->dev, "failed to register %s regulator\n",
				regulators[i].name);
			return PTR_ERR(rdev);
		}
	}

	return 0;
}

static struct platform_driver rn5t618_regulator_driver = {
	.probe = rn5t618_regulator_probe,
	.driver = {
		.name	= "rn5t618-regulator",
	},
};

module_platform_driver(rn5t618_regulator_driver);

MODULE_AUTHOR("Beniamino Galvani <b.galvani@gmail.com>");
MODULE_DESCRIPTION("RN5T618 regulator driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
3c910ecb	1	// SPDX-License-Identifier: GPL-2.0-only
811b7006 BG	2	/*
	3	* Regulator driver for Ricoh RN5T618 PMIC
	4	*
	5	* Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
811b7006 BG	6	*/
	7
	8	#include <linux/mfd/rn5t618.h>
	9	#include <linux/module.h>
	10	#include <linux/of.h>
	11	#include <linux/platform_device.h>
	12	#include <linux/regmap.h>
	13	#include <linux/regulator/driver.h>
	14	#include <linux/regulator/of_regulator.h>
	15
243842b8	16	static const struct regulator_ops rn5t618_reg_ops = {
811b7006 BG	17	.enable = regulator_enable_regmap,
	18	.disable = regulator_disable_regmap,
	19	.is_enabled = regulator_is_enabled_regmap,
	20	.set_voltage_sel = regulator_set_voltage_sel_regmap,
	21	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	22	.list_voltage = regulator_list_voltage_linear,
	23	};
	24
	25	#define REG(rid, ereg, emask, vreg, vmask, min, max, step) \
d824c7a8	26	{ \
811b7006	27	.name = #rid, \
9075ccea BG	28	.of_match = of_match_ptr(#rid), \
9075ccea BG	29	.regulators_node = of_match_ptr("regulators"), \
811b7006 BG	30	.id = RN5T618_##rid, \
	31	.type = REGULATOR_VOLTAGE, \
	32	.owner = THIS_MODULE, \
	33	.ops = &rn5t618_reg_ops, \
	34	.n_voltages = ((max) - (min)) / (step) + 1, \
	35	.min_uV = (min), \
	36	.uV_step = (step), \
	37	.enable_reg = RN5T618_##ereg, \
	38	.enable_mask = (emask), \
	39	.vsel_reg = RN5T618_##vreg, \
	40	.vsel_mask = (vmask), \
	41	}
	42
c2293856	43	static const struct regulator_desc rn5t567_regulators[] = {
ed6d362d SA	44	/* DCDC */
	45	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	46	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	47	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	48	REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
	49	/* LDO */
	50	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	51	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	52	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000),
	53	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	54	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),
	55	/* LDO RTC */
	56	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1200000, 3500000, 25000),
	57	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
	58	};
	59
c2293856	60	static const struct regulator_desc rn5t618_regulators[] = {
811b7006 BG	61	/* DCDC */
	62	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	63	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	64	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	65	/* LDO */
	66	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	67	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	68	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 600000, 3500000, 25000),
	69	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	70	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 900000, 3500000, 25000),
	71	/* LDO RTC */
	72	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
	73	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
	74	};
	75
c2293856	76	static const struct regulator_desc rc5t619_regulators[] = {
83b2a3c2 PHH	77	/* DCDC */
	78	REG(DCDC1, DC1CTL, BIT(0), DC1DAC, 0xff, 600000, 3500000, 12500),
	79	REG(DCDC2, DC2CTL, BIT(0), DC2DAC, 0xff, 600000, 3500000, 12500),
	80	REG(DCDC3, DC3CTL, BIT(0), DC3DAC, 0xff, 600000, 3500000, 12500),
	81	REG(DCDC4, DC4CTL, BIT(0), DC4DAC, 0xff, 600000, 3500000, 12500),
	82	REG(DCDC5, DC5CTL, BIT(0), DC5DAC, 0xff, 600000, 3500000, 12500),
	83	/* LDO */
	84	REG(LDO1, LDOEN1, BIT(0), LDO1DAC, 0x7f, 900000, 3500000, 25000),
	85	REG(LDO2, LDOEN1, BIT(1), LDO2DAC, 0x7f, 900000, 3500000, 25000),
	86	REG(LDO3, LDOEN1, BIT(2), LDO3DAC, 0x7f, 900000, 3500000, 25000),
	87	REG(LDO4, LDOEN1, BIT(3), LDO4DAC, 0x7f, 900000, 3500000, 25000),
	88	REG(LDO5, LDOEN1, BIT(4), LDO5DAC, 0x7f, 600000, 3500000, 25000),
	89	REG(LDO6, LDOEN1, BIT(5), LDO6DAC, 0x7f, 600000, 3500000, 25000),
	90	REG(LDO7, LDOEN1, BIT(6), LDO7DAC, 0x7f, 900000, 3500000, 25000),
	91	REG(LDO8, LDOEN1, BIT(7), LDO8DAC, 0x7f, 900000, 3500000, 25000),
	92	REG(LDO9, LDOEN2, BIT(0), LDO9DAC, 0x7f, 900000, 3500000, 25000),
3f1a9e63	93	REG(LDO10, LDOEN2, BIT(1), LDO10DAC, 0x7f, 900000, 3500000, 25000),
83b2a3c2 PHH	94	/* LDO RTC */
	95	REG(LDORTC1, LDOEN2, BIT(4), LDORTCDAC, 0x7f, 1700000, 3500000, 25000),
	96	REG(LDORTC2, LDOEN2, BIT(5), LDORTC2DAC, 0x7f, 900000, 3500000, 25000),
	97	};
	98
811b7006 BG	99	static int rn5t618_regulator_probe(struct platform_device *pdev)
	100	{
	101	struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent);
	102	struct regulator_config config = { };
	103	struct regulator_dev *rdev;
c2293856	104	const struct regulator_desc *regulators;
9075ccea	105	int i;
83b2a3c2	106	int num_regulators = 0;
811b7006	107
ed6d362d SA	108	switch (rn5t618->variant) {
	109	case RN5T567:
	110	regulators = rn5t567_regulators;
83b2a3c2	111	num_regulators = ARRAY_SIZE(rn5t567_regulators);
ed6d362d SA	112	break;
	113	case RN5T618:
	114	regulators = rn5t618_regulators;
83b2a3c2 PHH	115	num_regulators = ARRAY_SIZE(rn5t618_regulators);
	116	break;
	117	case RC5T619:
	118	regulators = rc5t619_regulators;
	119	num_regulators = ARRAY_SIZE(rc5t619_regulators);
ed6d362d SA	120	break;
	121	default:
	122	return -EINVAL;
	123	}
	124
	125	config.dev = pdev->dev.parent;
	126	config.regmap = rn5t618->regmap;
	127
83b2a3c2	128	for (i = 0; i < num_regulators; i++) {
811b7006	129	rdev = devm_regulator_register(&pdev->dev,
ed6d362d	130	&regulators[i],
811b7006 BG	131	&config);
	132	if (IS_ERR(rdev)) {
	133	dev_err(&pdev->dev, "failed to register %s regulator\n",
ed6d362d	134	regulators[i].name);
811b7006 BG	135	return PTR_ERR(rdev);
	136	}
	137	}
	138
	139	return 0;
	140	}
	141
	142	static struct platform_driver rn5t618_regulator_driver = {
	143	.probe = rn5t618_regulator_probe,
	144	.driver = {
	145	.name = "rn5t618-regulator",
	146	},
	147	};
	148
	149	module_platform_driver(rn5t618_regulator_driver);
	150
	151	MODULE_AUTHOR("Beniamino Galvani <b.galvani@gmail.com>");
	152	MODULE_DESCRIPTION("RN5T618 regulator driver");
	153	MODULE_LICENSE("GPL v2");