[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	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;
	int ret;

	val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));

	ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
			      rdev->desc->vsel_mask, val);
	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 struct regulator_ops pm8607_regulator_ops = {
	.list_voltage	= pm8607_list_voltage,
	.set_voltage_sel = pm8607_set_voltage_sel,
	.get_voltage_sel = regulator_get_voltage_sel_regmap,
	.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),			\
		.vsel_reg = PM8607_##vreg,				\
		.vsel_mask = ARRAY_SIZE(vreg##_table) - 1,		\
		.enable_reg = PM8607_##ereg,				\
		.enable_mask = 1 << (ebit),				\
	},								\
	.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),		\
		.vsel_reg = PM8607_##vreg,				\
		.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
		.enable_reg = PM8607_##ereg,				\
		.enable_mask = 1 << (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 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 update_reg;
be0e2d3e HZ	31	int update_bit;
be0e2d3e HZ	32	int slope_double;
	33	};
	34
9f79e9db HZ	35	static const unsigned int BUCK1_table[] = {
	36	725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
	37	925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	38	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	39	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	40	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	41	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	42	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	43	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	44	};
be0e2d3e	45
9f79e9db HZ	46	static const unsigned int BUCK1_suspend_table[] = {
	47	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	48	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	49	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	50	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	51	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	52	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	53	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	54	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	55	};
	56
	57	static const unsigned int BUCK2_table[] = {
	58	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	59	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	60	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	61	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	62	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	63	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	64	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	65	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	66	};
	67
	68	static const unsigned int BUCK2_suspend_table[] = {
	69	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	70	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	71	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	72	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	73	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	74	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	75	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	76	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	77	};
	78
	79	static const unsigned int BUCK3_table[] = {
	80	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	81	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	82	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	83	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	84	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	85	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	86	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	87	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	88	};
	89
	90	static const unsigned int BUCK3_suspend_table[] = {
	91	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	92	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	93	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	94	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	95	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	96	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	97	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	98	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	99	};
	100
	101	static const unsigned int LDO1_table[] = {
	102	1800000, 1200000, 2800000, 0,
	103	};
	104
	105	static const unsigned int LDO1_suspend_table[] = {
	106	1800000, 1200000, 0, 0,
	107	};
	108
	109	static const unsigned int LDO2_table[] = {
110	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
111	};
112
113	static const unsigned int LDO2_suspend_table[] = {
114	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
115	};
116
117	static const unsigned int LDO3_table[] = {
118	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
119	};
120
121	static const unsigned int LDO3_suspend_table[] = {
122	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
123	};
124
125	static const unsigned int LDO4_table[] = {
126	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
127	};
128
129	static const unsigned int LDO4_suspend_table[] = {
130	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
131	};
132
133	static const unsigned int LDO5_table[] = {
134	2900000, 3000000, 3100000, 3300000,
135	};
136
137	static const unsigned int LDO5_suspend_table[] = {
138	2900000, 0, 0, 0,
139	};
140
141	static const unsigned int LDO6_table[] = {
142	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
143	};
144
145	static const unsigned int LDO6_suspend_table[] = {
146	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
147	};
148
149	static const unsigned int LDO7_table[] = {
150	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
151	};
152
153	static const unsigned int LDO7_suspend_table[] = {
154	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
155	};
156
157	static const unsigned int LDO8_table[] = {
158	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
159	};
160
161	static const unsigned int LDO8_suspend_table[] = {
162	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
163	};
164
165	static const unsigned int LDO9_table[] = {
166	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
167	};
168
169	static const unsigned int LDO9_suspend_table[] = {
170	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
171	};
172
173	static const unsigned int LDO10_table[] = {
174	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
175	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
176	};
177
178	static const unsigned int LDO10_suspend_table[] = {
179	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
180	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
181	};
182
183	static const unsigned int LDO12_table[] = {
184	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
185	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
186	};
187
188	static const unsigned int LDO12_suspend_table[] = {
189	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
190	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
191	};
192
193	static const unsigned int LDO13_table[] = {
3380643b	194	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
9f79e9db HZ	195	};
	196
	197	static const unsigned int LDO13_suspend_table[] = {
	198	0,
	199	};
	200
	201	static const unsigned int LDO14_table[] = {
	202	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
	203	};
	204
	205	static const unsigned int LDO14_suspend_table[] = {
	206	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
	207	};
be0e2d3e HZ	208
	209	static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
	210	{
	211	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	212	int ret = -EINVAL;
be0e2d3e HZ	213
53b6949e	214	if (info->vol_table && (index < rdev->desc->n_voltages)) {
9f79e9db	215	ret = info->vol_table[index];
be0e2d3e HZ	216	if (info->slope_double)
be0e2d3e HZ	217	ret <<= 1;
be0e2d3e HZ	218	}
	219	return ret;
	220	}
	221
4ca1e1d9	222	static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
be0e2d3e HZ	223	{
be0e2d3e HZ	224	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
c006b21f	225	uint8_t val;
be0e2d3e HZ	226	int ret;
be0e2d3e HZ	227
c006b21f	228	val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
be0e2d3e	229
c006b21f AL	230	ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
c006b21f AL	231	rdev->desc->vsel_mask, val);
be0e2d3e HZ	232	if (ret)
	233	return ret;
	234	switch (info->desc.id) {
	235	case PM8607_ID_BUCK1:
	236	case PM8607_ID_BUCK3:
53dbab7a	237	ret = pm860x_set_bits(info->i2c, info->update_reg,
be0e2d3e HZ	238	1 << info->update_bit,
	239	1 << info->update_bit);
	240	break;
	241	}
	242	return ret;
	243	}
	244
be0e2d3e	245	static struct regulator_ops pm8607_regulator_ops = {
d3d7bccc	246	.list_voltage = pm8607_list_voltage,
4ca1e1d9	247	.set_voltage_sel = pm8607_set_voltage_sel,
c006b21f	248	.get_voltage_sel = regulator_get_voltage_sel_regmap,
ef26e0db AL	249	.enable = regulator_enable_regmap,
	250	.disable = regulator_disable_regmap,
	251	.is_enabled = regulator_is_enabled_regmap,
be0e2d3e HZ	252	};
be0e2d3e HZ	253
53b6949e	254	#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
be0e2d3e HZ	255	{ \
be0e2d3e HZ	256	.desc = { \
9f79e9db	257	.name = #vreg, \
be0e2d3e HZ	258	.ops = &pm8607_regulator_ops, \
be0e2d3e HZ	259	.type = REGULATOR_VOLTAGE, \
9f79e9db	260	.id = PM8607_ID_##vreg, \
be0e2d3e	261	.owner = THIS_MODULE, \
53b6949e	262	.n_voltages = ARRAY_SIZE(vreg##_table), \
c006b21f AL	263	.vsel_reg = PM8607_##vreg, \
c006b21f AL	264	.vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
ef26e0db AL	265	.enable_reg = PM8607_##ereg, \
ef26e0db AL	266	.enable_mask = 1 << (ebit), \
be0e2d3e	267	}, \
be0e2d3e HZ	268	.update_reg = PM8607_##ureg, \
be0e2d3e HZ	269	.update_bit = (ubit), \
be0e2d3e	270	.slope_double = (0), \
9f79e9db HZ	271	.vol_table = (unsigned int *)&vreg##_table, \
9f79e9db HZ	272	.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
be0e2d3e HZ	273	}
be0e2d3e HZ	274
53b6949e	275	#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
be0e2d3e HZ	276	{ \
	277	.desc = { \
	278	.name = "LDO" #_id, \
	279	.ops = &pm8607_regulator_ops, \
	280	.type = REGULATOR_VOLTAGE, \
	281	.id = PM8607_ID_LDO##_id, \
	282	.owner = THIS_MODULE, \
53b6949e	283	.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
c006b21f AL	284	.vsel_reg = PM8607_##vreg, \
c006b21f AL	285	.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
ef26e0db AL	286	.enable_reg = PM8607_##ereg, \
ef26e0db AL	287	.enable_mask = 1 << (ebit), \
be0e2d3e	288	}, \
be0e2d3e	289	.slope_double = (0), \
9f79e9db HZ	290	.vol_table = (unsigned int *)&LDO##_id##_table, \
9f79e9db HZ	291	.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
be0e2d3e HZ	292	}
	293
	294	static struct pm8607_regulator_info pm8607_regulator_info[] = {
53b6949e AL	295	PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
	296	PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
	297	PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
	298
	299	PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
	300	PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
	301	PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
	302	PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
	303	PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
	304	PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
	305	PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
	306	PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
	307	PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
	308	PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
	309	PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
	310	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	311	PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
be0e2d3e HZ	312	};
be0e2d3e HZ	313
22aad001	314	static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
be0e2d3e	315	{
22aad001 HZ	316	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
22aad001 HZ	317	struct pm8607_regulator_info *info = NULL;
586e1a17	318	struct regulator_init_data *pdata = pdev->dev.platform_data;
c172708d	319	struct regulator_config config = { };
586e1a17	320	struct resource *res;
be0e2d3e HZ	321	int i;
be0e2d3e HZ	322
586e1a17 HZ	323	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
	324	if (res == NULL) {
	325	dev_err(&pdev->dev, "No I/O resource!\n");
22aad001	326	return -EINVAL;
586e1a17	327	}
be0e2d3e HZ	328	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
be0e2d3e HZ	329	info = &pm8607_regulator_info[i];
586e1a17	330	if (info->desc.id == res->start)
22aad001	331	break;
be0e2d3e	332	}
99cd25ce	333	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
09969108 RD	334	dev_err(&pdev->dev, "Failed to find regulator %llu\n",
09969108 RD	335	(unsigned long long)res->start);
be0e2d3e HZ	336	return -EINVAL;
be0e2d3e HZ	337	}
53dbab7a	338	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
be0e2d3e HZ	339	info->chip = chip;
be0e2d3e HZ	340
22aad001	341	/* check DVC ramp slope double */
586e1a17 HZ	342	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
586e1a17 HZ	343	info->slope_double = 1;
22aad001	344
c172708d MB	345	config.dev = &pdev->dev;
	346	config.init_data = pdata;
	347	config.driver_data = info;
	348
ef26e0db AL	349	if (chip->id == CHIP_PM8607)
	350	config.regmap = chip->regmap;
	351	else
	352	config.regmap = chip->regmap_companion;
	353
586e1a17	354	/* replace driver_data with info */
c172708d	355	info->regulator = regulator_register(&info->desc, &config);
be0e2d3e HZ	356	if (IS_ERR(info->regulator)) {
	357	dev_err(&pdev->dev, "failed to register regulator %s\n",
	358	info->desc.name);
	359	return PTR_ERR(info->regulator);
	360	}
	361
be0e2d3e HZ	362	platform_set_drvdata(pdev, info);
	363	return 0;
	364	}
	365
	366	static int __devexit pm8607_regulator_remove(struct platform_device *pdev)
	367	{
	368	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
	369
192bbb95	370	platform_set_drvdata(pdev, NULL);
be0e2d3e HZ	371	regulator_unregister(info->regulator);
	372	return 0;
	373	}
	374
192bbb95 HZ	375	static struct platform_driver pm8607_regulator_driver = {
	376	.driver = {
	377	.name = "88pm860x-regulator",
	378	.owner = THIS_MODULE,
	379	},
	380	.probe = pm8607_regulator_probe,
	381	.remove = __devexit_p(pm8607_regulator_remove),
be0e2d3e HZ	382	};
	383
	384	static int __init pm8607_regulator_init(void)
	385	{
192bbb95	386	return platform_driver_register(&pm8607_regulator_driver);
be0e2d3e HZ	387	}
	388	subsys_initcall(pm8607_regulator_init);
	389
	390	static void __exit pm8607_regulator_exit(void)
	391	{
192bbb95	392	platform_driver_unregister(&pm8607_regulator_driver);
be0e2d3e HZ	393	}
	394	module_exit(pm8607_regulator_exit);
	395
	396	MODULE_LICENSE("GPL");
	397	MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
	398	MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
	399	MODULE_ALIAS("platform:88pm8607-regulator");