[linux-block.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	enable_reg;
	int	enable_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 int pm8607_enable(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

	return pm860x_set_bits(info->i2c, info->enable_reg,
			       1 << info->enable_bit,
			       1 << info->enable_bit);
}

static int pm8607_disable(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

	return pm860x_set_bits(info->i2c, info->enable_reg,
			       1 << info->enable_bit, 0);
}

static int pm8607_is_enabled(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	int ret;

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

	return !!((unsigned char)ret & (1 << info->enable_bit));
}

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		= pm8607_enable,
	.disable	= pm8607_disable,
	.is_enabled	= pm8607_is_enabled,
};

#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),			\
	},								\
	.vol_reg	= PM8607_##vreg,				\
	.vol_shift	= (0),						\
	.update_reg	= PM8607_##ureg,				\
	.update_bit	= (ubit),					\
	.enable_reg	= PM8607_##ereg,				\
	.enable_bit	= (ebit),					\
	.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),		\
	},								\
	.vol_reg	= PM8607_##vreg,				\
	.vol_shift	= (shift),					\
	.enable_reg	= PM8607_##ereg,				\
	.enable_bit	= (ebit),					\
	.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 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;

	/* replace driver_data with info */
	info->regulator = regulator_register(&info->desc, &pdev->dev,
					     pdata, info, NULL);
	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;
	33	int update_bit;
	34	int enable_reg;
	35	int enable_bit;
	36	int slope_double;
	37	};
	38
9f79e9db HZ	39	static const unsigned int BUCK1_table[] = {
	40	725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
	41	925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	42	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	43	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	44	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	45	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	46	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	47	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	48	};
be0e2d3e	49
9f79e9db HZ	50	static const unsigned int BUCK1_suspend_table[] = {
	51	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	52	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	53	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	54	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	55	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	56	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	57	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	58	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	59	};
	60
	61	static const unsigned int BUCK2_table[] = {
	62	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	63	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	64	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	65	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	66	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	67	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	68	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	69	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	70	};
	71
	72	static const unsigned int BUCK2_suspend_table[] = {
	73	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	74	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	75	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	76	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	77	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	78	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	79	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	80	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	81	};
	82
	83	static const unsigned int BUCK3_table[] = {
	84	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	85	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	86	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	87	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	88	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	89	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	90	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	91	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	92	};
	93
	94	static const unsigned int BUCK3_suspend_table[] = {
	95	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	96	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	97	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	98	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	99	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	100	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	101	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	102	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	103	};
	104
	105	static const unsigned int LDO1_table[] = {
	106	1800000, 1200000, 2800000, 0,
	107	};
	108
	109	static const unsigned int LDO1_suspend_table[] = {
	110	1800000, 1200000, 0, 0,
	111	};
	112
	113	static const unsigned int LDO2_table[] = {
114	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
115	};
116
117	static const unsigned int LDO2_suspend_table[] = {
118	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
119	};
120
121	static const unsigned int LDO3_table[] = {
122	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
123	};
124
125	static const unsigned int LDO3_suspend_table[] = {
126	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
127	};
128
129	static const unsigned int LDO4_table[] = {
130	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
131	};
132
133	static const unsigned int LDO4_suspend_table[] = {
134	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
135	};
136
137	static const unsigned int LDO5_table[] = {
138	2900000, 3000000, 3100000, 3300000,
139	};
140
141	static const unsigned int LDO5_suspend_table[] = {
142	2900000, 0, 0, 0,
143	};
144
145	static const unsigned int LDO6_table[] = {
146	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
147	};
148
149	static const unsigned int LDO6_suspend_table[] = {
150	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
151	};
152
153	static const unsigned int LDO7_table[] = {
154	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
155	};
156
157	static const unsigned int LDO7_suspend_table[] = {
158	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
159	};
160
161	static const unsigned int LDO8_table[] = {
162	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
163	};
164
165	static const unsigned int LDO8_suspend_table[] = {
166	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
167	};
168
169	static const unsigned int LDO9_table[] = {
170	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
171	};
172
173	static const unsigned int LDO9_suspend_table[] = {
174	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
175	};
176
177	static const unsigned int LDO10_table[] = {
178	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
179	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
180	};
181
182	static const unsigned int LDO10_suspend_table[] = {
183	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
184	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
185	};
186
187	static const unsigned int LDO12_table[] = {
188	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
189	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
190	};
191
192	static const unsigned int LDO12_suspend_table[] = {
193	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
194	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
195	};
196
197	static const unsigned int LDO13_table[] = {
3380643b	198	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
9f79e9db HZ	199	};
	200
	201	static const unsigned int LDO13_suspend_table[] = {
	202	0,
	203	};
	204
	205	static const unsigned int LDO14_table[] = {
	206	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
	207	};
	208
	209	static const unsigned int LDO14_suspend_table[] = {
	210	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
	211	};
be0e2d3e HZ	212
	213	static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
	214	{
	215	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	216	int ret = -EINVAL;
be0e2d3e HZ	217
53b6949e	218	if (info->vol_table && (index < rdev->desc->n_voltages)) {
9f79e9db	219	ret = info->vol_table[index];
be0e2d3e HZ	220	if (info->slope_double)
be0e2d3e HZ	221	ret <<= 1;
be0e2d3e HZ	222	}
	223	return ret;
	224	}
	225
4ca1e1d9	226	static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
be0e2d3e HZ	227	{
be0e2d3e HZ	228	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	229	uint8_t val, mask;
	230	int ret;
	231
4ca1e1d9	232	val = (uint8_t)(selector << info->vol_shift);
53b6949e	233	mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
be0e2d3e	234
4ca1e1d9	235	ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector);
be0e2d3e HZ	236	if (ret)
	237	return ret;
	238	switch (info->desc.id) {
	239	case PM8607_ID_BUCK1:
	240	case PM8607_ID_BUCK3:
53dbab7a	241	ret = pm860x_set_bits(info->i2c, info->update_reg,
be0e2d3e HZ	242	1 << info->update_bit,
	243	1 << info->update_bit);
	244	break;
	245	}
	246	return ret;
	247	}
	248
509cbf84	249	static int pm8607_get_voltage_sel(struct regulator_dev *rdev)
be0e2d3e HZ	250	{
be0e2d3e HZ	251	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	252	uint8_t val, mask;
	253	int ret;
	254
53dbab7a	255	ret = pm860x_reg_read(info->i2c, info->vol_reg);
be0e2d3e HZ	256	if (ret < 0)
	257	return ret;
	258
53b6949e	259	mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
be0e2d3e HZ	260	val = ((unsigned char)ret & mask) >> info->vol_shift;
be0e2d3e HZ	261
509cbf84	262	return val;
be0e2d3e HZ	263	}
	264
	265	static int pm8607_enable(struct regulator_dev *rdev)
	266	{
	267	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e	268
53dbab7a	269	return pm860x_set_bits(info->i2c, info->enable_reg,
be0e2d3e HZ	270	1 << info->enable_bit,
	271	1 << info->enable_bit);
	272	}
	273
	274	static int pm8607_disable(struct regulator_dev *rdev)
	275	{
	276	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e	277
53dbab7a	278	return pm860x_set_bits(info->i2c, info->enable_reg,
be0e2d3e HZ	279	1 << info->enable_bit, 0);
	280	}
	281
	282	static int pm8607_is_enabled(struct regulator_dev *rdev)
	283	{
	284	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	285	int ret;
be0e2d3e HZ	286
53dbab7a	287	ret = pm860x_reg_read(info->i2c, info->enable_reg);
be0e2d3e HZ	288	if (ret < 0)
	289	return ret;
	290
	291	return !!((unsigned char)ret & (1 << info->enable_bit));
	292	}
	293
	294	static struct regulator_ops pm8607_regulator_ops = {
d3d7bccc	295	.list_voltage = pm8607_list_voltage,
4ca1e1d9	296	.set_voltage_sel = pm8607_set_voltage_sel,
509cbf84	297	.get_voltage_sel = pm8607_get_voltage_sel,
be0e2d3e HZ	298	.enable = pm8607_enable,
	299	.disable = pm8607_disable,
	300	.is_enabled = pm8607_is_enabled,
	301	};
	302
53b6949e	303	#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
be0e2d3e HZ	304	{ \
be0e2d3e HZ	305	.desc = { \
9f79e9db	306	.name = #vreg, \
be0e2d3e HZ	307	.ops = &pm8607_regulator_ops, \
be0e2d3e HZ	308	.type = REGULATOR_VOLTAGE, \
9f79e9db	309	.id = PM8607_ID_##vreg, \
be0e2d3e	310	.owner = THIS_MODULE, \
53b6949e	311	.n_voltages = ARRAY_SIZE(vreg##_table), \
be0e2d3e	312	}, \
be0e2d3e HZ	313	.vol_reg = PM8607_##vreg, \
be0e2d3e HZ	314	.vol_shift = (0), \
be0e2d3e HZ	315	.update_reg = PM8607_##ureg, \
	316	.update_bit = (ubit), \
	317	.enable_reg = PM8607_##ereg, \
	318	.enable_bit = (ebit), \
	319	.slope_double = (0), \
9f79e9db HZ	320	.vol_table = (unsigned int *)&vreg##_table, \
9f79e9db HZ	321	.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
be0e2d3e HZ	322	}
be0e2d3e HZ	323
53b6949e	324	#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
be0e2d3e HZ	325	{ \
	326	.desc = { \
	327	.name = "LDO" #_id, \
	328	.ops = &pm8607_regulator_ops, \
	329	.type = REGULATOR_VOLTAGE, \
	330	.id = PM8607_ID_LDO##_id, \
	331	.owner = THIS_MODULE, \
53b6949e	332	.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
be0e2d3e	333	}, \
be0e2d3e HZ	334	.vol_reg = PM8607_##vreg, \
be0e2d3e HZ	335	.vol_shift = (shift), \
be0e2d3e HZ	336	.enable_reg = PM8607_##ereg, \
	337	.enable_bit = (ebit), \
	338	.slope_double = (0), \
9f79e9db HZ	339	.vol_table = (unsigned int *)&LDO##_id##_table, \
9f79e9db HZ	340	.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
be0e2d3e HZ	341	}
	342
	343	static struct pm8607_regulator_info pm8607_regulator_info[] = {
53b6949e AL	344	PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
	345	PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
	346	PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
	347
	348	PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
	349	PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
	350	PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
	351	PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
	352	PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
	353	PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
	354	PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
	355	PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
	356	PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
	357	PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
	358	PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
	359	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	360	PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
be0e2d3e HZ	361	};
be0e2d3e HZ	362
22aad001	363	static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
be0e2d3e	364	{
22aad001 HZ	365	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
22aad001 HZ	366	struct pm8607_regulator_info *info = NULL;
586e1a17 HZ	367	struct regulator_init_data *pdata = pdev->dev.platform_data;
586e1a17 HZ	368	struct resource *res;
be0e2d3e HZ	369	int i;
be0e2d3e HZ	370
586e1a17 HZ	371	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
	372	if (res == NULL) {
	373	dev_err(&pdev->dev, "No I/O resource!\n");
22aad001	374	return -EINVAL;
586e1a17	375	}
be0e2d3e HZ	376	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
be0e2d3e HZ	377	info = &pm8607_regulator_info[i];
586e1a17	378	if (info->desc.id == res->start)
22aad001	379	break;
be0e2d3e	380	}
99cd25ce	381	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
09969108 RD	382	dev_err(&pdev->dev, "Failed to find regulator %llu\n",
09969108 RD	383	(unsigned long long)res->start);
be0e2d3e HZ	384	return -EINVAL;
be0e2d3e HZ	385	}
53dbab7a	386	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
be0e2d3e HZ	387	info->chip = chip;
be0e2d3e HZ	388
22aad001	389	/* check DVC ramp slope double */
586e1a17 HZ	390	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
586e1a17 HZ	391	info->slope_double = 1;
22aad001	392
586e1a17	393	/* replace driver_data with info */
be0e2d3e	394	info->regulator = regulator_register(&info->desc, &pdev->dev,
2c043bcb	395	pdata, info, NULL);
be0e2d3e HZ	396	if (IS_ERR(info->regulator)) {
	397	dev_err(&pdev->dev, "failed to register regulator %s\n",
	398	info->desc.name);
	399	return PTR_ERR(info->regulator);
	400	}
	401
be0e2d3e HZ	402	platform_set_drvdata(pdev, info);
	403	return 0;
	404	}
	405
	406	static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
	407	{
	408	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
	409
192bbb95	410	platform_set_drvdata(pdev, NULL);
be0e2d3e HZ	411	regulator_unregister(info->regulator);
	412	return 0;
	413	}
	414
192bbb95 HZ	415	static struct platform_driver pm8607_regulator_driver = {
	416	.driver = {
	417	.name = "88pm860x-regulator",
	418	.owner = THIS_MODULE,
	419	},
	420	.probe = pm8607_regulator_probe,
	421	.remove = __devexit_p(pm8607_regulator_remove),
be0e2d3e HZ	422	};
	423
	424	static int __init pm8607_regulator_init(void)
	425	{
192bbb95	426	return platform_driver_register(&pm8607_regulator_driver);
be0e2d3e HZ	427	}
	428	subsys_initcall(pm8607_regulator_init);
	429
	430	static void __exit pm8607_regulator_exit(void)
	431	{
192bbb95	432	platform_driver_unregister(&pm8607_regulator_driver);
be0e2d3e HZ	433	}
	434	module_exit(pm8607_regulator_exit);
	435
	436	MODULE_LICENSE("GPL");
	437	MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
	438	MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
	439	MODULE_ALIAS("platform:88pm8607-regulator");