[deliverable/linux.git] / drivers / regulator / 88pm8607.c

/*
 * Regulators driver for Marvell 88PM8607
 *
 * Copyright (C) 2009 Marvell International Ltd.
 * 	Haojian Zhuang <haojian.zhuang@marvell.com>
 *
 * 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/init.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/88pm860x.h>
#include <linux/module.h>

struct pm8607_regulator_info {
	struct regulator_desc	desc;
	struct pm860x_chip	*chip;
	struct regulator_dev	*regulator;
	struct i2c_client	*i2c;

	unsigned int	*vol_table;
	unsigned int	*vol_suspend;

	int	vol_reg;
	int	vol_shift;
	int	update_reg;
	int	update_bit;
	int	slope_double;
};

static const unsigned int BUCK1_table[] = {
	 725000,  750000,  775000,  800000,  825000,  850000,  875000,  900000,
	 925000,  950000,  975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
};

static const unsigned int BUCK1_suspend_table[] = {
	      0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};

static const unsigned int BUCK2_table[] = {
	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
};

static const unsigned int BUCK2_suspend_table[] = {
	      0,   50000,  100000,  150000,  200000,  250000,  300000,  350000,
	 400000,  450000,  500000,  550000,  600000,  650000,  700000,  750000,
	 800000,  850000,  900000,  950000, 1000000, 1050000, 1100000, 1150000,
	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
};

static const unsigned int BUCK3_table[] = {
              0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};

static const unsigned int BUCK3_suspend_table[] = {
              0,   25000,   50000,   75000,  100000,  125000,  150000,  175000,
	 200000,  225000,  250000,  275000,  300000,  325000,  350000,  375000,
	 400000,  425000,  450000,  475000,  500000,  525000,  550000,  575000,
	 600000,  625000,  650000,  675000,  700000,  725000,  750000,  775000,
	 800000,  825000,  850000,  875000,  900000,  925000,  950000,  975000,
	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
};

static const unsigned int LDO1_table[] = {
	1800000, 1200000, 2800000, 0,
};

static const unsigned int LDO1_suspend_table[] = {
	1800000, 1200000, 0, 0,
};

static const unsigned int LDO2_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};

static const unsigned int LDO2_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO3_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};

static const unsigned int LDO3_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO4_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
};

static const unsigned int LDO4_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
};

static const unsigned int LDO5_table[] = {
	2900000, 3000000, 3100000, 3300000,
};

static const unsigned int LDO5_suspend_table[] = {
	2900000, 0, 0, 0,
};

static const unsigned int LDO6_table[] = {
	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
};

static const unsigned int LDO6_suspend_table[] = {
	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
};

static const unsigned int LDO7_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO7_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO8_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO8_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO9_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
};

static const unsigned int LDO9_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
};

static const unsigned int LDO10_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};

static const unsigned int LDO10_suspend_table[] = {
	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};

static const unsigned int LDO12_table[] = {
	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};

static const unsigned int LDO12_suspend_table[] = {
	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
};

static const unsigned int LDO13_table[] = {
	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
};

static const unsigned int LDO13_suspend_table[] = {
	0,
};

static const unsigned int LDO14_table[] = {
	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
};

static const unsigned int LDO14_suspend_table[] = {
	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
};

static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	int ret = -EINVAL;

	if (info->vol_table && (index < rdev->desc->n_voltages)) {
		ret = info->vol_table[index];
		if (info->slope_double)
			ret <<= 1;
	}
	return ret;
}

static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	uint8_t val, mask;
	int ret;

	val = (uint8_t)(selector << info->vol_shift);
	mask = (rdev->desc->n_voltages - 1)  << info->vol_shift;

	ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector);
	if (ret)
		return ret;
	switch (info->desc.id) {
	case PM8607_ID_BUCK1:
	case PM8607_ID_BUCK3:
		ret = pm860x_set_bits(info->i2c, info->update_reg,
				      1 << info->update_bit,
				      1 << info->update_bit);
		break;
	}
	return ret;
}

static int pm8607_get_voltage_sel(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	uint8_t val, mask;
	int ret;

	ret = pm860x_reg_read(info->i2c, info->vol_reg);
	if (ret < 0)
		return ret;

	mask = (rdev->desc->n_voltages - 1)  << info->vol_shift;
	val = ((unsigned char)ret & mask) >> info->vol_shift;

	return val;
}

static struct regulator_ops pm8607_regulator_ops = {
	.list_voltage	= pm8607_list_voltage,
	.set_voltage_sel = pm8607_set_voltage_sel,
	.get_voltage_sel = pm8607_get_voltage_sel,
	.enable = regulator_enable_regmap,
	.disable = regulator_disable_regmap,
	.is_enabled = regulator_is_enabled_regmap,
};

#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit)			\
{									\
	.desc	= {							\
		.name	= #vreg,					\
		.ops	= &pm8607_regulator_ops,			\
		.type	= REGULATOR_VOLTAGE,				\
		.id	= PM8607_ID_##vreg,				\
		.owner	= THIS_MODULE,					\
		.n_voltages = ARRAY_SIZE(vreg##_table),			\
		.enable_reg = PM8607_##ereg,				\
		.enable_mask = 1 << (ebit),				\
	},								\
	.vol_reg	= PM8607_##vreg,				\
	.vol_shift	= (0),						\
	.update_reg	= PM8607_##ureg,				\
	.update_bit	= (ubit),					\
	.slope_double	= (0),						\
	.vol_table	= (unsigned int *)&vreg##_table,		\
	.vol_suspend	= (unsigned int *)&vreg##_suspend_table,	\
}

#define PM8607_LDO(_id, vreg, shift, ereg, ebit)			\
{									\
	.desc	= {							\
		.name	= "LDO" #_id,					\
		.ops	= &pm8607_regulator_ops,			\
		.type	= REGULATOR_VOLTAGE,				\
		.id	= PM8607_ID_LDO##_id,				\
		.owner	= THIS_MODULE,					\
		.n_voltages = ARRAY_SIZE(LDO##_id##_table),		\
		.enable_reg = PM8607_##ereg,				\
		.enable_mask = 1 << (ebit),				\
	},								\
	.vol_reg	= PM8607_##vreg,				\
	.vol_shift	= (shift),					\
	.slope_double	= (0),						\
	.vol_table	= (unsigned int *)&LDO##_id##_table,		\
	.vol_suspend	= (unsigned int *)&LDO##_id##_suspend_table,	\
}

static struct pm8607_regulator_info pm8607_regulator_info[] = {
	PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
	PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
	PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),

	PM8607_LDO(1,         LDO1, 0, SUPPLIES_EN11, 3),
	PM8607_LDO(2,         LDO2, 0, SUPPLIES_EN11, 4),
	PM8607_LDO(3,         LDO3, 0, SUPPLIES_EN11, 5),
	PM8607_LDO(4,         LDO4, 0, SUPPLIES_EN11, 6),
	PM8607_LDO(5,         LDO5, 0, SUPPLIES_EN11, 7),
	PM8607_LDO(6,         LDO6, 0, SUPPLIES_EN12, 0),
	PM8607_LDO(7,         LDO7, 0, SUPPLIES_EN12, 1),
	PM8607_LDO(8,         LDO8, 0, SUPPLIES_EN12, 2),
	PM8607_LDO(9,         LDO9, 0, SUPPLIES_EN12, 3),
	PM8607_LDO(10,        LDO10, 0, SUPPLIES_EN12, 4),
	PM8607_LDO(12,        LDO12, 0, SUPPLIES_EN12, 5),
	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	PM8607_LDO(14,        LDO14, 0, SUPPLIES_EN12, 6),
};

static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
{
	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
	struct pm8607_regulator_info *info = NULL;
	struct regulator_init_data *pdata = pdev->dev.platform_data;
	struct regulator_config config = { };
	struct resource *res;
	int i;

	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
	if (res == NULL) {
		dev_err(&pdev->dev, "No I/O resource!\n");
		return -EINVAL;
	}
	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
		info = &pm8607_regulator_info[i];
		if (info->desc.id == res->start)
			break;
	}
	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
		dev_err(&pdev->dev, "Failed to find regulator %llu\n",
			(unsigned long long)res->start);
		return -EINVAL;
	}
	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
	info->chip = chip;

	/* check DVC ramp slope double */
	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
		info->slope_double = 1;

	config.dev = &pdev->dev;
	config.init_data = pdata;
	config.driver_data = info;

	if (chip->id == CHIP_PM8607)
		config.regmap = chip->regmap;
	else
		config.regmap = chip->regmap_companion;

	/* replace driver_data with info */
	info->regulator = regulator_register(&info->desc, &config);
	if (IS_ERR(info->regulator)) {
		dev_err(&pdev->dev, "failed to register regulator %s\n",
			info->desc.name);
		return PTR_ERR(info->regulator);
	}

	platform_set_drvdata(pdev, info);
	return 0;
}

static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
{
	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);

	platform_set_drvdata(pdev, NULL);
	regulator_unregister(info->regulator);
	return 0;
}

static struct platform_driver pm8607_regulator_driver = {
	.driver		= {
		.name	= "88pm860x-regulator",
		.owner	= THIS_MODULE,
	},
	.probe		= pm8607_regulator_probe,
	.remove		= __devexit_p(pm8607_regulator_remove),
};

static int __init pm8607_regulator_init(void)
{
	return platform_driver_register(&pm8607_regulator_driver);
}
subsys_initcall(pm8607_regulator_init);

static void __exit pm8607_regulator_exit(void)
{
	platform_driver_unregister(&pm8607_regulator_driver);
}
module_exit(pm8607_regulator_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
MODULE_ALIAS("platform:88pm8607-regulator");
Commit	Line	Data
be0e2d3e HZ	1	/*
	2	* Regulators driver for Marvell 88PM8607
	3	*
	4	* Copyright (C) 2009 Marvell International Ltd.
	5	* Haojian Zhuang <haojian.zhuang@marvell.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11	#include <linux/kernel.h>
	12	#include <linux/init.h>
	13	#include <linux/err.h>
53dbab7a	14	#include <linux/i2c.h>
be0e2d3e HZ	15	#include <linux/platform_device.h>
	16	#include <linux/regulator/driver.h>
	17	#include <linux/regulator/machine.h>
53dbab7a	18	#include <linux/mfd/88pm860x.h>
65602c32	19	#include <linux/module.h>
be0e2d3e HZ	20
	21	struct pm8607_regulator_info {
	22	struct regulator_desc desc;
53dbab7a	23	struct pm860x_chip *chip;
be0e2d3e	24	struct regulator_dev *regulator;
53dbab7a	25	struct i2c_client *i2c;
be0e2d3e	26
9f79e9db HZ	27	unsigned int *vol_table;
	28	unsigned int *vol_suspend;
	29
be0e2d3e HZ	30	int vol_reg;
be0e2d3e HZ	31	int vol_shift;
be0e2d3e HZ	32	int update_reg;
be0e2d3e HZ	33	int update_bit;
be0e2d3e HZ	34	int slope_double;
	35	};
	36
9f79e9db HZ	37	static const unsigned int BUCK1_table[] = {
	38	725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
	39	925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	40	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	41	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	42	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	43	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	44	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	45	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	46	};
be0e2d3e	47
9f79e9db HZ	48	static const unsigned int BUCK1_suspend_table[] = {
	49	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	50	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	51	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	52	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	53	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	54	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	55	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	56	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	57	};
	58
	59	static const unsigned int BUCK2_table[] = {
	60	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	61	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	62	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	63	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	64	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	65	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	66	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	67	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	68	};
	69
	70	static const unsigned int BUCK2_suspend_table[] = {
	71	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	72	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	73	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	74	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	75	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	76	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	77	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	78	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	79	};
	80
	81	static const unsigned int BUCK3_table[] = {
	82	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	83	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	84	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	85	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	86	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	87	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	88	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	89	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	90	};
	91
	92	static const unsigned int BUCK3_suspend_table[] = {
	93	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	94	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	95	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	96	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	97	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	98	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	99	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	100	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	101	};
	102
	103	static const unsigned int LDO1_table[] = {
	104	1800000, 1200000, 2800000, 0,
	105	};
	106
	107	static const unsigned int LDO1_suspend_table[] = {
	108	1800000, 1200000, 0, 0,
	109	};
	110
	111	static const unsigned int LDO2_table[] = {
112	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
113	};
114
115	static const unsigned int LDO2_suspend_table[] = {
116	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
117	};
118
119	static const unsigned int LDO3_table[] = {
120	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
121	};
122
123	static const unsigned int LDO3_suspend_table[] = {
124	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
125	};
126
127	static const unsigned int LDO4_table[] = {
128	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
129	};
130
131	static const unsigned int LDO4_suspend_table[] = {
132	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
133	};
134
135	static const unsigned int LDO5_table[] = {
136	2900000, 3000000, 3100000, 3300000,
137	};
138
139	static const unsigned int LDO5_suspend_table[] = {
140	2900000, 0, 0, 0,
141	};
142
143	static const unsigned int LDO6_table[] = {
144	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
145	};
146
147	static const unsigned int LDO6_suspend_table[] = {
148	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
149	};
150
151	static const unsigned int LDO7_table[] = {
152	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
153	};
154
155	static const unsigned int LDO7_suspend_table[] = {
156	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
157	};
158
159	static const unsigned int LDO8_table[] = {
160	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
161	};
162
163	static const unsigned int LDO8_suspend_table[] = {
164	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
165	};
166
167	static const unsigned int LDO9_table[] = {
168	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
169	};
170
171	static const unsigned int LDO9_suspend_table[] = {
172	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
173	};
174
175	static const unsigned int LDO10_table[] = {
176	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
177	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
178	};
179
180	static const unsigned int LDO10_suspend_table[] = {
181	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
182	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
183	};
184
185	static const unsigned int LDO12_table[] = {
186	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
187	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
188	};
189
190	static const unsigned int LDO12_suspend_table[] = {
191	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
192	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
193	};
194
195	static const unsigned int LDO13_table[] = {
3380643b	196	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
9f79e9db HZ	197	};
	198
	199	static const unsigned int LDO13_suspend_table[] = {
	200	0,
	201	};
	202
	203	static const unsigned int LDO14_table[] = {
	204	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
	205	};
	206
	207	static const unsigned int LDO14_suspend_table[] = {
	208	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
	209	};
be0e2d3e HZ	210
	211	static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
	212	{
	213	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	214	int ret = -EINVAL;
be0e2d3e HZ	215
53b6949e	216	if (info->vol_table && (index < rdev->desc->n_voltages)) {
9f79e9db	217	ret = info->vol_table[index];
be0e2d3e HZ	218	if (info->slope_double)
be0e2d3e HZ	219	ret <<= 1;
be0e2d3e HZ	220	}
	221	return ret;
	222	}
	223
4ca1e1d9	224	static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
be0e2d3e HZ	225	{
be0e2d3e HZ	226	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	227	uint8_t val, mask;
	228	int ret;
	229
4ca1e1d9	230	val = (uint8_t)(selector << info->vol_shift);
53b6949e	231	mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
be0e2d3e	232
4ca1e1d9	233	ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector);
be0e2d3e HZ	234	if (ret)
	235	return ret;
	236	switch (info->desc.id) {
	237	case PM8607_ID_BUCK1:
	238	case PM8607_ID_BUCK3:
53dbab7a	239	ret = pm860x_set_bits(info->i2c, info->update_reg,
be0e2d3e HZ	240	1 << info->update_bit,
	241	1 << info->update_bit);
	242	break;
	243	}
	244	return ret;
	245	}
	246
509cbf84	247	static int pm8607_get_voltage_sel(struct regulator_dev *rdev)
be0e2d3e HZ	248	{
be0e2d3e HZ	249	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	250	uint8_t val, mask;
	251	int ret;
	252
53dbab7a	253	ret = pm860x_reg_read(info->i2c, info->vol_reg);
be0e2d3e HZ	254	if (ret < 0)
	255	return ret;
	256
53b6949e	257	mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
be0e2d3e HZ	258	val = ((unsigned char)ret & mask) >> info->vol_shift;
be0e2d3e HZ	259
509cbf84	260	return val;
be0e2d3e HZ	261	}
be0e2d3e HZ	262
be0e2d3e	263	static struct regulator_ops pm8607_regulator_ops = {
d3d7bccc	264	.list_voltage = pm8607_list_voltage,
4ca1e1d9	265	.set_voltage_sel = pm8607_set_voltage_sel,
509cbf84	266	.get_voltage_sel = pm8607_get_voltage_sel,
ef26e0db AL	267	.enable = regulator_enable_regmap,
	268	.disable = regulator_disable_regmap,
	269	.is_enabled = regulator_is_enabled_regmap,
be0e2d3e HZ	270	};
be0e2d3e HZ	271
53b6949e	272	#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
be0e2d3e HZ	273	{ \
be0e2d3e HZ	274	.desc = { \
9f79e9db	275	.name = #vreg, \
be0e2d3e HZ	276	.ops = &pm8607_regulator_ops, \
be0e2d3e HZ	277	.type = REGULATOR_VOLTAGE, \
9f79e9db	278	.id = PM8607_ID_##vreg, \
be0e2d3e	279	.owner = THIS_MODULE, \
53b6949e	280	.n_voltages = ARRAY_SIZE(vreg##_table), \
ef26e0db AL	281	.enable_reg = PM8607_##ereg, \
ef26e0db AL	282	.enable_mask = 1 << (ebit), \
be0e2d3e	283	}, \
be0e2d3e HZ	284	.vol_reg = PM8607_##vreg, \
be0e2d3e HZ	285	.vol_shift = (0), \
be0e2d3e HZ	286	.update_reg = PM8607_##ureg, \
be0e2d3e HZ	287	.update_bit = (ubit), \
be0e2d3e	288	.slope_double = (0), \
9f79e9db HZ	289	.vol_table = (unsigned int *)&vreg##_table, \
9f79e9db HZ	290	.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
be0e2d3e HZ	291	}
be0e2d3e HZ	292
53b6949e	293	#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
be0e2d3e HZ	294	{ \
	295	.desc = { \
	296	.name = "LDO" #_id, \
	297	.ops = &pm8607_regulator_ops, \
	298	.type = REGULATOR_VOLTAGE, \
	299	.id = PM8607_ID_LDO##_id, \
	300	.owner = THIS_MODULE, \
53b6949e	301	.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
ef26e0db AL	302	.enable_reg = PM8607_##ereg, \
ef26e0db AL	303	.enable_mask = 1 << (ebit), \
be0e2d3e	304	}, \
be0e2d3e HZ	305	.vol_reg = PM8607_##vreg, \
be0e2d3e HZ	306	.vol_shift = (shift), \
be0e2d3e	307	.slope_double = (0), \
9f79e9db HZ	308	.vol_table = (unsigned int *)&LDO##_id##_table, \
9f79e9db HZ	309	.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
be0e2d3e HZ	310	}
	311
	312	static struct pm8607_regulator_info pm8607_regulator_info[] = {
53b6949e AL	313	PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
	314	PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
	315	PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
	316
	317	PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
	318	PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
	319	PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
	320	PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
	321	PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
	322	PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
	323	PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
	324	PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
	325	PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
	326	PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
	327	PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
	328	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	329	PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
be0e2d3e HZ	330	};
be0e2d3e HZ	331
22aad001	332	static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
be0e2d3e	333	{
22aad001 HZ	334	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
22aad001 HZ	335	struct pm8607_regulator_info *info = NULL;
586e1a17	336	struct regulator_init_data *pdata = pdev->dev.platform_data;
c172708d	337	struct regulator_config config = { };
586e1a17	338	struct resource *res;
be0e2d3e HZ	339	int i;
be0e2d3e HZ	340
586e1a17 HZ	341	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
	342	if (res == NULL) {
	343	dev_err(&pdev->dev, "No I/O resource!\n");
22aad001	344	return -EINVAL;
586e1a17	345	}
be0e2d3e HZ	346	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
be0e2d3e HZ	347	info = &pm8607_regulator_info[i];
586e1a17	348	if (info->desc.id == res->start)
22aad001	349	break;
be0e2d3e	350	}
99cd25ce	351	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
09969108 RD	352	dev_err(&pdev->dev, "Failed to find regulator %llu\n",
09969108 RD	353	(unsigned long long)res->start);
be0e2d3e HZ	354	return -EINVAL;
be0e2d3e HZ	355	}
53dbab7a	356	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
be0e2d3e HZ	357	info->chip = chip;
be0e2d3e HZ	358
22aad001	359	/* check DVC ramp slope double */
586e1a17 HZ	360	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
586e1a17 HZ	361	info->slope_double = 1;
22aad001	362
c172708d MB	363	config.dev = &pdev->dev;
	364	config.init_data = pdata;
	365	config.driver_data = info;
	366
ef26e0db AL	367	if (chip->id == CHIP_PM8607)
	368	config.regmap = chip->regmap;
	369	else
	370	config.regmap = chip->regmap_companion;
	371
586e1a17	372	/* replace driver_data with info */
c172708d	373	info->regulator = regulator_register(&info->desc, &config);
be0e2d3e HZ	374	if (IS_ERR(info->regulator)) {
	375	dev_err(&pdev->dev, "failed to register regulator %s\n",
	376	info->desc.name);
	377	return PTR_ERR(info->regulator);
	378	}
	379
be0e2d3e HZ	380	platform_set_drvdata(pdev, info);
	381	return 0;
	382	}
	383
	384	static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
	385	{
	386	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
	387
192bbb95	388	platform_set_drvdata(pdev, NULL);
be0e2d3e HZ	389	regulator_unregister(info->regulator);
	390	return 0;
	391	}
	392
192bbb95 HZ	393	static struct platform_driver pm8607_regulator_driver = {
	394	.driver = {
	395	.name = "88pm860x-regulator",
	396	.owner = THIS_MODULE,
	397	},
	398	.probe = pm8607_regulator_probe,
	399	.remove = __devexit_p(pm8607_regulator_remove),
be0e2d3e HZ	400	};
	401
	402	static int __init pm8607_regulator_init(void)
	403	{
192bbb95	404	return platform_driver_register(&pm8607_regulator_driver);
be0e2d3e HZ	405	}
	406	subsys_initcall(pm8607_regulator_init);
	407
	408	static void __exit pm8607_regulator_exit(void)
	409	{
192bbb95	410	platform_driver_unregister(&pm8607_regulator_driver);
be0e2d3e HZ	411	}
	412	module_exit(pm8607_regulator_exit);
	413
	414	MODULE_LICENSE("GPL");
	415	MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
	416	MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
	417	MODULE_ALIAS("platform:88pm8607-regulator");