[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/of.h>
#include <linux/regulator/of_regulator.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;
	struct i2c_client	*i2c_8606;

	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_BUCK2:
	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 pm8606_preg_enable(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
			       1 << rdev->desc->enable_mask, 0);
}

static int pm8606_preg_disable(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);

	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
			       1 << rdev->desc->enable_mask,
			       1 << rdev->desc->enable_mask);
}

static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
{
	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	int ret;

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

	return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
}

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,
};

static struct regulator_ops pm8606_preg_ops = {
	.enable		= pm8606_preg_enable,
	.disable	= pm8606_preg_disable,
	.is_enabled	= pm8606_preg_is_enabled,
};

#define PM8606_PREG(ereg, ebit)						\
{									\
	.desc	= {							\
		.name	= "PREG",					\
		.ops	= &pm8606_preg_ops,				\
		.type	= REGULATOR_CURRENT,				\
		.id	= PM8606_ID_PREG,				\
		.owner	= THIS_MODULE,					\
		.enable_reg = PM8606_##ereg,				\
		.enable_mask = (ebit),					\
	},								\
}

#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 struct pm8607_regulator_info pm8606_regulator_info[] = {
	PM8606_PREG(PREREGULATORB, 5),
};

#ifdef CONFIG_OF
static int pm8607_regulator_dt_init(struct platform_device *pdev,
				    struct pm8607_regulator_info *info,
				    struct regulator_config *config)
{
	struct device_node *nproot, *np;
	nproot = pdev->dev.parent->of_node;
	if (!nproot)
		return -ENODEV;
	nproot = of_find_node_by_name(nproot, "regulators");
	if (!nproot) {
		dev_err(&pdev->dev, "failed to find regulators node\n");
		return -ENODEV;
	}
	for_each_child_of_node(nproot, np) {
		if (!of_node_cmp(np->name, info->desc.name)) {
			config->init_data =
				of_get_regulator_init_data(&pdev->dev, np);
			config->of_node = np;
			break;
		}
	}
	return 0;
}
#else
#define pm8607_regulator_dt_init(x, y, z)	(-1)
#endif

static int 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_REG, 0);
	if (res) {
		/* There're resources in 88PM8607 regulator driver */
		for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
			info = &pm8607_regulator_info[i];
			if (info->desc.vsel_reg == 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;
		}
	} else {
		/* There's no resource in 88PM8606 PREG regulator driver */
		info = &pm8606_regulator_info[0];
		/* i is used to check regulator ID */
		i = -1;
	}
	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
	info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
			chip->client;
	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.driver_data = info;

	if (pm8607_regulator_dt_init(pdev, info, &config))
		if (pdata)
			config.init_data = pdata;

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

	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 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_device_id pm8607_regulator_driver_ids[] = {
	{
		.name	= "88pm860x-regulator",
		.driver_data	= 0,
	}, {
		.name	= "88pm860x-preg",
		.driver_data	= 0,
	},
	{ },
};
MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);

static struct platform_driver pm8607_regulator_driver = {
	.driver		= {
		.name	= "88pm860x-regulator",
		.owner	= THIS_MODULE,
	},
	.probe		= pm8607_regulator_probe,
	.remove		= pm8607_regulator_remove,
	.id_table	= pm8607_regulator_driver_ids,
};

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>
2e57d567 HZ	15	#include <linux/of.h>
2e57d567 HZ	16	#include <linux/regulator/of_regulator.h>
be0e2d3e HZ	17	#include <linux/platform_device.h>
	18	#include <linux/regulator/driver.h>
	19	#include <linux/regulator/machine.h>
53dbab7a	20	#include <linux/mfd/88pm860x.h>
65602c32	21	#include <linux/module.h>
be0e2d3e HZ	22
	23	struct pm8607_regulator_info {
	24	struct regulator_desc desc;
53dbab7a	25	struct pm860x_chip *chip;
be0e2d3e	26	struct regulator_dev *regulator;
53dbab7a	27	struct i2c_client *i2c;
e7a7810a	28	struct i2c_client *i2c_8606;
be0e2d3e	29
9f79e9db HZ	30	unsigned int *vol_table;
	31	unsigned int *vol_suspend;
	32
be0e2d3e HZ	33	int update_reg;
be0e2d3e HZ	34	int update_bit;
be0e2d3e HZ	35	int slope_double;
	36	};
	37
9f79e9db HZ	38	static const unsigned int BUCK1_table[] = {
	39	725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
	40	925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	41	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	42	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	43	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	44	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	45	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	46	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	47	};
be0e2d3e	48
9f79e9db HZ	49	static const unsigned int BUCK1_suspend_table[] = {
	50	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	51	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	52	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	53	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	54	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	55	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	56	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	57	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	58	};
	59
	60	static const unsigned int BUCK2_table[] = {
	61	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	62	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	63	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	64	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	65	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	66	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	67	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	68	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	69	};
	70
	71	static const unsigned int BUCK2_suspend_table[] = {
	72	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	73	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	74	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	75	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	76	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	77	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	78	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	79	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	80	};
	81
	82	static const unsigned int BUCK3_table[] = {
	83	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	84	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	85	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	86	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	87	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	88	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	89	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	90	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	91	};
	92
	93	static const unsigned int BUCK3_suspend_table[] = {
	94	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	95	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	96	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	97	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	98	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	99	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	100	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	101	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	102	};
	103
	104	static const unsigned int LDO1_table[] = {
	105	1800000, 1200000, 2800000, 0,
	106	};
	107
	108	static const unsigned int LDO1_suspend_table[] = {
	109	1800000, 1200000, 0, 0,
	110	};
	111
	112	static const unsigned int LDO2_table[] = {
113	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
114	};
115
116	static const unsigned int LDO2_suspend_table[] = {
117	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
118	};
119
120	static const unsigned int LDO3_table[] = {
121	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
122	};
123
124	static const unsigned int LDO3_suspend_table[] = {
125	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
126	};
127
128	static const unsigned int LDO4_table[] = {
129	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
130	};
131
132	static const unsigned int LDO4_suspend_table[] = {
133	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
134	};
135
136	static const unsigned int LDO5_table[] = {
137	2900000, 3000000, 3100000, 3300000,
138	};
139
140	static const unsigned int LDO5_suspend_table[] = {
141	2900000, 0, 0, 0,
142	};
143
144	static const unsigned int LDO6_table[] = {
145	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
146	};
147
148	static const unsigned int LDO6_suspend_table[] = {
149	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
150	};
151
152	static const unsigned int LDO7_table[] = {
153	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
154	};
155
156	static const unsigned int LDO7_suspend_table[] = {
157	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
158	};
159
160	static const unsigned int LDO8_table[] = {
161	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
162	};
163
164	static const unsigned int LDO8_suspend_table[] = {
165	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
166	};
167
168	static const unsigned int LDO9_table[] = {
169	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
170	};
171
172	static const unsigned int LDO9_suspend_table[] = {
173	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
174	};
175
176	static const unsigned int LDO10_table[] = {
177	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
178	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
179	};
180
181	static const unsigned int LDO10_suspend_table[] = {
182	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
183	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
184	};
185
186	static const unsigned int LDO12_table[] = {
187	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
188	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
189	};
190
191	static const unsigned int LDO12_suspend_table[] = {
192	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
193	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
194	};
195
196	static const unsigned int LDO13_table[] = {
3380643b	197	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
9f79e9db HZ	198	};
	199
	200	static const unsigned int LDO13_suspend_table[] = {
	201	0,
	202	};
	203
	204	static const unsigned int LDO14_table[] = {
	205	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
	206	};
	207
	208	static const unsigned int LDO14_suspend_table[] = {
	209	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
	210	};
be0e2d3e HZ	211
	212	static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
	213	{
	214	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	215	int ret = -EINVAL;
be0e2d3e HZ	216
53b6949e	217	if (info->vol_table && (index < rdev->desc->n_voltages)) {
9f79e9db	218	ret = info->vol_table[index];
be0e2d3e HZ	219	if (info->slope_double)
be0e2d3e HZ	220	ret <<= 1;
be0e2d3e HZ	221	}
	222	return ret;
	223	}
	224
4ca1e1d9	225	static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
be0e2d3e HZ	226	{
be0e2d3e HZ	227	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
c006b21f	228	uint8_t val;
be0e2d3e HZ	229	int ret;
be0e2d3e HZ	230
c006b21f	231	val = (uint8_t)(selector << (ffs(rdev->desc->vsel_mask) - 1));
be0e2d3e	232
c006b21f AL	233	ret = pm860x_set_bits(info->i2c, rdev->desc->vsel_reg,
c006b21f AL	234	rdev->desc->vsel_mask, val);
be0e2d3e HZ	235	if (ret)
	236	return ret;
	237	switch (info->desc.id) {
	238	case PM8607_ID_BUCK1:
adbf7eab	239	case PM8607_ID_BUCK2:
be0e2d3e	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
e7a7810a JZ	249	static int pm8606_preg_enable(struct regulator_dev *rdev)
	250	{
	251	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	252
	253	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
	254	1 << rdev->desc->enable_mask, 0);
	255	}
	256
	257	static int pm8606_preg_disable(struct regulator_dev *rdev)
	258	{
	259	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	260
	261	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
	262	1 << rdev->desc->enable_mask,
	263	1 << rdev->desc->enable_mask);
	264	}
	265
	266	static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
	267	{
	268	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
	269	int ret;
	270
	271	ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg);
	272	if (ret < 0)
	273	return ret;
	274
	275	return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
	276	}
	277
be0e2d3e	278	static struct regulator_ops pm8607_regulator_ops = {
d3d7bccc	279	.list_voltage = pm8607_list_voltage,
4ca1e1d9	280	.set_voltage_sel = pm8607_set_voltage_sel,
c006b21f	281	.get_voltage_sel = regulator_get_voltage_sel_regmap,
ef26e0db AL	282	.enable = regulator_enable_regmap,
	283	.disable = regulator_disable_regmap,
	284	.is_enabled = regulator_is_enabled_regmap,
be0e2d3e HZ	285	};
be0e2d3e HZ	286
e7a7810a JZ	287	static struct regulator_ops pm8606_preg_ops = {
	288	.enable = pm8606_preg_enable,
	289	.disable = pm8606_preg_disable,
	290	.is_enabled = pm8606_preg_is_enabled,
	291	};
	292
	293	#define PM8606_PREG(ereg, ebit) \
	294	{ \
	295	.desc = { \
	296	.name = "PREG", \
	297	.ops = &pm8606_preg_ops, \
	298	.type = REGULATOR_CURRENT, \
	299	.id = PM8606_ID_PREG, \
	300	.owner = THIS_MODULE, \
	301	.enable_reg = PM8606_##ereg, \
	302	.enable_mask = (ebit), \
	303	}, \
	304	}
	305
53b6949e	306	#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
be0e2d3e HZ	307	{ \
be0e2d3e HZ	308	.desc = { \
9f79e9db	309	.name = #vreg, \
be0e2d3e HZ	310	.ops = &pm8607_regulator_ops, \
be0e2d3e HZ	311	.type = REGULATOR_VOLTAGE, \
9f79e9db	312	.id = PM8607_ID_##vreg, \
be0e2d3e	313	.owner = THIS_MODULE, \
53b6949e	314	.n_voltages = ARRAY_SIZE(vreg##_table), \
c006b21f AL	315	.vsel_reg = PM8607_##vreg, \
c006b21f AL	316	.vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
ef26e0db AL	317	.enable_reg = PM8607_##ereg, \
ef26e0db AL	318	.enable_mask = 1 << (ebit), \
be0e2d3e	319	}, \
be0e2d3e HZ	320	.update_reg = PM8607_##ureg, \
be0e2d3e HZ	321	.update_bit = (ubit), \
be0e2d3e	322	.slope_double = (0), \
9f79e9db HZ	323	.vol_table = (unsigned int *)&vreg##_table, \
9f79e9db HZ	324	.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
be0e2d3e HZ	325	}
be0e2d3e HZ	326
53b6949e	327	#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
be0e2d3e HZ	328	{ \
	329	.desc = { \
	330	.name = "LDO" #_id, \
	331	.ops = &pm8607_regulator_ops, \
	332	.type = REGULATOR_VOLTAGE, \
	333	.id = PM8607_ID_LDO##_id, \
	334	.owner = THIS_MODULE, \
53b6949e	335	.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
c006b21f AL	336	.vsel_reg = PM8607_##vreg, \
c006b21f AL	337	.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
ef26e0db AL	338	.enable_reg = PM8607_##ereg, \
ef26e0db AL	339	.enable_mask = 1 << (ebit), \
be0e2d3e	340	}, \
be0e2d3e	341	.slope_double = (0), \
9f79e9db HZ	342	.vol_table = (unsigned int *)&LDO##_id##_table, \
9f79e9db HZ	343	.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
be0e2d3e HZ	344	}
	345
	346	static struct pm8607_regulator_info pm8607_regulator_info[] = {
53b6949e AL	347	PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
	348	PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
	349	PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
	350
	351	PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
	352	PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
	353	PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
	354	PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
	355	PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
	356	PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
	357	PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
	358	PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
	359	PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
	360	PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
	361	PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
	362	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	363	PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
ff13e9e2	364	};
e7a7810a	365
ff13e9e2	366	static struct pm8607_regulator_info pm8606_regulator_info[] = {
e7a7810a	367	PM8606_PREG(PREREGULATORB, 5),
be0e2d3e HZ	368	};
be0e2d3e HZ	369
2e57d567 HZ	370	#ifdef CONFIG_OF
	371	static int pm8607_regulator_dt_init(struct platform_device *pdev,
	372	struct pm8607_regulator_info *info,
	373	struct regulator_config *config)
	374	{
	375	struct device_node nproot, np;
	376	nproot = pdev->dev.parent->of_node;
	377	if (!nproot)
	378	return -ENODEV;
	379	nproot = of_find_node_by_name(nproot, "regulators");
	380	if (!nproot) {
	381	dev_err(&pdev->dev, "failed to find regulators node\n");
	382	return -ENODEV;
	383	}
	384	for_each_child_of_node(nproot, np) {
	385	if (!of_node_cmp(np->name, info->desc.name)) {
	386	config->init_data =
	387	of_get_regulator_init_data(&pdev->dev, np);
	388	config->of_node = np;
	389	break;
	390	}
	391	}
	392	return 0;
	393	}
	394	#else
	395	#define pm8607_regulator_dt_init(x, y, z) (-1)
	396	#endif
	397
a5023574	398	static int pm8607_regulator_probe(struct platform_device *pdev)
be0e2d3e	399	{
22aad001 HZ	400	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
22aad001 HZ	401	struct pm8607_regulator_info *info = NULL;
586e1a17	402	struct regulator_init_data *pdata = pdev->dev.platform_data;
c172708d	403	struct regulator_config config = { };
586e1a17	404	struct resource *res;
be0e2d3e HZ	405	int i;
be0e2d3e HZ	406
02367029	407	res = platform_get_resource(pdev, IORESOURCE_REG, 0);
ff13e9e2 HZ	408	if (res) {
	409	/* There're resources in 88PM8607 regulator driver */
	410	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
	411	info = &pm8607_regulator_info[i];
	412	if (info->desc.vsel_reg == res->start)
	413	break;
	414	}
	415	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
	416	dev_err(&pdev->dev, "Failed to find regulator %llu\n",
	417	(unsigned long long)res->start);
	418	return -EINVAL;
	419	}
	420	} else {
	421	/* There's no resource in 88PM8606 PREG regulator driver */
	422	info = &pm8606_regulator_info[0];
	423	/* i is used to check regulator ID */
	424	i = -1;
be0e2d3e	425	}
53dbab7a	426	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
e7a7810a JZ	427	info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
e7a7810a JZ	428	chip->client;
be0e2d3e HZ	429	info->chip = chip;
be0e2d3e HZ	430
22aad001	431	/* check DVC ramp slope double */
586e1a17 HZ	432	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
586e1a17 HZ	433	info->slope_double = 1;
22aad001	434
c172708d	435	config.dev = &pdev->dev;
c172708d MB	436	config.driver_data = info;
c172708d MB	437
2e57d567 HZ	438	if (pm8607_regulator_dt_init(pdev, info, &config))
	439	if (pdata)
	440	config.init_data = pdata;
	441
ef26e0db AL	442	if (chip->id == CHIP_PM8607)
	443	config.regmap = chip->regmap;
	444	else
	445	config.regmap = chip->regmap_companion;
	446
c172708d	447	info->regulator = regulator_register(&info->desc, &config);
be0e2d3e HZ	448	if (IS_ERR(info->regulator)) {
	449	dev_err(&pdev->dev, "failed to register regulator %s\n",
	450	info->desc.name);
	451	return PTR_ERR(info->regulator);
	452	}
	453
be0e2d3e HZ	454	platform_set_drvdata(pdev, info);
	455	return 0;
	456	}
	457
8dc995f5	458	static int pm8607_regulator_remove(struct platform_device *pdev)
be0e2d3e HZ	459	{
	460	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
	461
192bbb95	462	platform_set_drvdata(pdev, NULL);
be0e2d3e HZ	463	regulator_unregister(info->regulator);
	464	return 0;
	465	}
	466
e7a7810a JZ	467	static struct platform_device_id pm8607_regulator_driver_ids[] = {
	468	{
	469	.name = "88pm860x-regulator",
	470	.driver_data = 0,
	471	}, {
	472	.name = "88pm860x-preg",
	473	.driver_data = 0,
	474	},
	475	{ },
	476	};
	477	MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);
	478
192bbb95 HZ	479	static struct platform_driver pm8607_regulator_driver = {
	480	.driver = {
	481	.name = "88pm860x-regulator",
	482	.owner = THIS_MODULE,
	483	},
	484	.probe = pm8607_regulator_probe,
5eb9f2b9	485	.remove = pm8607_regulator_remove,
e7a7810a	486	.id_table = pm8607_regulator_driver_ids,
be0e2d3e HZ	487	};
	488
	489	static int __init pm8607_regulator_init(void)
	490	{
192bbb95	491	return platform_driver_register(&pm8607_regulator_driver);
be0e2d3e HZ	492	}
	493	subsys_initcall(pm8607_regulator_init);
	494
	495	static void __exit pm8607_regulator_exit(void)
	496	{
192bbb95	497	platform_driver_unregister(&pm8607_regulator_driver);
be0e2d3e HZ	498	}
	499	module_exit(pm8607_regulator_exit);
	500
	501	MODULE_LICENSE("GPL");
	502	MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
	503	MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
	504	MODULE_ALIAS("platform:88pm8607-regulator");