[GitHub/mt8127/android_kernel_alcatel_ttab.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	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 struct regulator_ops pm8607_regulator_ops = {
	.list_voltage	= pm8607_list_voltage,
	.set_voltage_sel = regulator_set_voltage_sel_regmap,
	.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		= regulator_enable_regmap,
	.disable	= regulator_disable_regmap,
	.is_enabled	= regulator_is_enabled_regmap,
};

#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),					\
		.enable_is_inverted = true,				\
	},								\
}

#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,		\
		.apply_reg = PM8607_##ureg,				\
		.apply_bit = (ubit),					\
		.enable_reg = PM8607_##ereg,				\
		.enable_mask = 1 << (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),		\
		.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, BIT(0), SUPPLIES_EN11, 0),
	PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1),
	PM8607_DVC(BUCK3, GO, BIT(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 = of_node_get(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;
		}
	}
	of_node_put(nproot);
	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 slope_double;
	34	};
	35
9f79e9db HZ	36	static const unsigned int BUCK1_table[] = {
	37	725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000,
	38	925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000,
	39	1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000,
	40	1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000,
	41	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	42	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	43	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	44	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	45	};
be0e2d3e	46
9f79e9db HZ	47	static const unsigned int BUCK1_suspend_table[] = {
	48	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	49	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	50	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	51	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	52	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	53	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	54	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	55	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	56	};
	57
	58	static const unsigned int BUCK2_table[] = {
	59	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	60	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	61	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	62	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	63	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	64	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	65	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	66	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	67	};
	68
	69	static const unsigned int BUCK2_suspend_table[] = {
	70	0, 50000, 100000, 150000, 200000, 250000, 300000, 350000,
	71	400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000,
	72	800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000,
	73	1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000,
	74	1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000,
	75	2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000,
	76	2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000,
	77	2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000,
	78	};
	79
	80	static const unsigned int BUCK3_table[] = {
	81	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	82	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	83	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	84	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	85	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	86	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	87	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	88	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	89	};
	90
	91	static const unsigned int BUCK3_suspend_table[] = {
	92	0, 25000, 50000, 75000, 100000, 125000, 150000, 175000,
	93	200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000,
	94	400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000,
	95	600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000,
	96	800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000,
	97	1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000,
	98	1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000,
	99	1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000,
	100	};
	101
	102	static const unsigned int LDO1_table[] = {
	103	1800000, 1200000, 2800000, 0,
	104	};
	105
	106	static const unsigned int LDO1_suspend_table[] = {
	107	1800000, 1200000, 0, 0,
	108	};
	109
	110	static const unsigned int LDO2_table[] = {
111	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
112	};
113
114	static const unsigned int LDO2_suspend_table[] = {
115	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
116	};
117
118	static const unsigned int LDO3_table[] = {
119	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
120	};
121
122	static const unsigned int LDO3_suspend_table[] = {
123	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
124	};
125
126	static const unsigned int LDO4_table[] = {
127	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000,
128	};
129
130	static const unsigned int LDO4_suspend_table[] = {
131	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000,
132	};
133
134	static const unsigned int LDO5_table[] = {
135	2900000, 3000000, 3100000, 3300000,
136	};
137
138	static const unsigned int LDO5_suspend_table[] = {
139	2900000, 0, 0, 0,
140	};
141
142	static const unsigned int LDO6_table[] = {
143	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000,
144	};
145
146	static const unsigned int LDO6_suspend_table[] = {
147	1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000,
148	};
149
150	static const unsigned int LDO7_table[] = {
151	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
152	};
153
154	static const unsigned int LDO7_suspend_table[] = {
155	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
156	};
157
158	static const unsigned int LDO8_table[] = {
159	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
160	};
161
162	static const unsigned int LDO8_suspend_table[] = {
163	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
164	};
165
166	static const unsigned int LDO9_table[] = {
167	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
168	};
169
170	static const unsigned int LDO9_suspend_table[] = {
171	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
172	};
173
174	static const unsigned int LDO10_table[] = {
175	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000,
176	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
177	};
178
179	static const unsigned int LDO10_suspend_table[] = {
180	1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000,
181	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
182	};
183
184	static const unsigned int LDO12_table[] = {
185	1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000,
186	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
187	};
188
189	static const unsigned int LDO12_suspend_table[] = {
190	1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000,
191	1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000,
192	};
193
194	static const unsigned int LDO13_table[] = {
3380643b	195	1200000, 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0,
9f79e9db HZ	196	};
	197
	198	static const unsigned int LDO13_suspend_table[] = {
	199	0,
	200	};
	201
	202	static const unsigned int LDO14_table[] = {
	203	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000,
	204	};
	205
	206	static const unsigned int LDO14_suspend_table[] = {
	207	1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000,
	208	};
be0e2d3e HZ	209
	210	static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
	211	{
	212	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
be0e2d3e HZ	213	int ret = -EINVAL;
be0e2d3e HZ	214
53b6949e	215	if (info->vol_table && (index < rdev->desc->n_voltages)) {
9f79e9db	216	ret = info->vol_table[index];
be0e2d3e HZ	217	if (info->slope_double)
be0e2d3e HZ	218	ret <<= 1;
be0e2d3e HZ	219	}
	220	return ret;
	221	}
	222
be0e2d3e	223	static struct regulator_ops pm8607_regulator_ops = {
d3d7bccc	224	.list_voltage = pm8607_list_voltage,
c6f0a0ef	225	.set_voltage_sel = regulator_set_voltage_sel_regmap,
c006b21f	226	.get_voltage_sel = regulator_get_voltage_sel_regmap,
ef26e0db AL	227	.enable = regulator_enable_regmap,
	228	.disable = regulator_disable_regmap,
	229	.is_enabled = regulator_is_enabled_regmap,
be0e2d3e HZ	230	};
be0e2d3e HZ	231
e7a7810a	232	static struct regulator_ops pm8606_preg_ops = {
318c658b AL	233	.enable = regulator_enable_regmap,
	234	.disable = regulator_disable_regmap,
	235	.is_enabled = regulator_is_enabled_regmap,
e7a7810a JZ	236	};
	237
	238	#define PM8606_PREG(ereg, ebit) \
	239	{ \
	240	.desc = { \
	241	.name = "PREG", \
	242	.ops = &pm8606_preg_ops, \
	243	.type = REGULATOR_CURRENT, \
	244	.id = PM8606_ID_PREG, \
	245	.owner = THIS_MODULE, \
	246	.enable_reg = PM8606_##ereg, \
	247	.enable_mask = (ebit), \
318c658b	248	.enable_is_inverted = true, \
e7a7810a JZ	249	}, \
	250	}
	251
53b6949e	252	#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit) \
be0e2d3e HZ	253	{ \
be0e2d3e HZ	254	.desc = { \
9f79e9db	255	.name = #vreg, \
be0e2d3e HZ	256	.ops = &pm8607_regulator_ops, \
be0e2d3e HZ	257	.type = REGULATOR_VOLTAGE, \
9f79e9db	258	.id = PM8607_ID_##vreg, \
be0e2d3e	259	.owner = THIS_MODULE, \
53b6949e	260	.n_voltages = ARRAY_SIZE(vreg##_table), \
c006b21f AL	261	.vsel_reg = PM8607_##vreg, \
c006b21f AL	262	.vsel_mask = ARRAY_SIZE(vreg##_table) - 1, \
c6f0a0ef AL	263	.apply_reg = PM8607_##ureg, \
c6f0a0ef AL	264	.apply_bit = (ubit), \
ef26e0db AL	265	.enable_reg = PM8607_##ereg, \
ef26e0db AL	266	.enable_mask = 1 << (ebit), \
be0e2d3e	267	}, \
be0e2d3e	268	.slope_double = (0), \
9f79e9db HZ	269	.vol_table = (unsigned int *)&vreg##_table, \
9f79e9db HZ	270	.vol_suspend = (unsigned int *)&vreg##_suspend_table, \
be0e2d3e HZ	271	}
be0e2d3e HZ	272
53b6949e	273	#define PM8607_LDO(_id, vreg, shift, ereg, ebit) \
be0e2d3e HZ	274	{ \
	275	.desc = { \
	276	.name = "LDO" #_id, \
	277	.ops = &pm8607_regulator_ops, \
	278	.type = REGULATOR_VOLTAGE, \
	279	.id = PM8607_ID_LDO##_id, \
	280	.owner = THIS_MODULE, \
53b6949e	281	.n_voltages = ARRAY_SIZE(LDO##_id##_table), \
c006b21f AL	282	.vsel_reg = PM8607_##vreg, \
c006b21f AL	283	.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
ef26e0db AL	284	.enable_reg = PM8607_##ereg, \
ef26e0db AL	285	.enable_mask = 1 << (ebit), \
be0e2d3e	286	}, \
be0e2d3e	287	.slope_double = (0), \
9f79e9db HZ	288	.vol_table = (unsigned int *)&LDO##_id##_table, \
9f79e9db HZ	289	.vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \
be0e2d3e HZ	290	}
	291
	292	static struct pm8607_regulator_info pm8607_regulator_info[] = {
c6f0a0ef AL	293	PM8607_DVC(BUCK1, GO, BIT(0), SUPPLIES_EN11, 0),
	294	PM8607_DVC(BUCK2, GO, BIT(1), SUPPLIES_EN11, 1),
	295	PM8607_DVC(BUCK3, GO, BIT(2), SUPPLIES_EN11, 2),
53b6949e AL	296
	297	PM8607_LDO(1, LDO1, 0, SUPPLIES_EN11, 3),
	298	PM8607_LDO(2, LDO2, 0, SUPPLIES_EN11, 4),
	299	PM8607_LDO(3, LDO3, 0, SUPPLIES_EN11, 5),
	300	PM8607_LDO(4, LDO4, 0, SUPPLIES_EN11, 6),
	301	PM8607_LDO(5, LDO5, 0, SUPPLIES_EN11, 7),
	302	PM8607_LDO(6, LDO6, 0, SUPPLIES_EN12, 0),
	303	PM8607_LDO(7, LDO7, 0, SUPPLIES_EN12, 1),
	304	PM8607_LDO(8, LDO8, 0, SUPPLIES_EN12, 2),
	305	PM8607_LDO(9, LDO9, 0, SUPPLIES_EN12, 3),
	306	PM8607_LDO(10, LDO10, 0, SUPPLIES_EN12, 4),
	307	PM8607_LDO(12, LDO12, 0, SUPPLIES_EN12, 5),
	308	PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
	309	PM8607_LDO(14, LDO14, 0, SUPPLIES_EN12, 6),
ff13e9e2	310	};
e7a7810a	311
ff13e9e2	312	static struct pm8607_regulator_info pm8606_regulator_info[] = {
e7a7810a	313	PM8606_PREG(PREREGULATORB, 5),
be0e2d3e HZ	314	};
be0e2d3e HZ	315
2e57d567 HZ	316	#ifdef CONFIG_OF
	317	static int pm8607_regulator_dt_init(struct platform_device *pdev,
	318	struct pm8607_regulator_info *info,
	319	struct regulator_config *config)
	320	{
	321	struct device_node nproot, np;
c92f5dd2	322	nproot = of_node_get(pdev->dev.parent->of_node);
2e57d567 HZ	323	if (!nproot)
	324	return -ENODEV;
	325	nproot = of_find_node_by_name(nproot, "regulators");
	326	if (!nproot) {
	327	dev_err(&pdev->dev, "failed to find regulators node\n");
	328	return -ENODEV;
	329	}
	330	for_each_child_of_node(nproot, np) {
	331	if (!of_node_cmp(np->name, info->desc.name)) {
	332	config->init_data =
	333	of_get_regulator_init_data(&pdev->dev, np);
	334	config->of_node = np;
	335	break;
	336	}
	337	}
c92f5dd2	338	of_node_put(nproot);
2e57d567 HZ	339	return 0;
	340	}
	341	#else
	342	#define pm8607_regulator_dt_init(x, y, z) (-1)
	343	#endif
	344
a5023574	345	static int pm8607_regulator_probe(struct platform_device *pdev)
be0e2d3e	346	{
22aad001 HZ	347	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
22aad001 HZ	348	struct pm8607_regulator_info *info = NULL;
586e1a17	349	struct regulator_init_data *pdata = pdev->dev.platform_data;
c172708d	350	struct regulator_config config = { };
586e1a17	351	struct resource *res;
be0e2d3e HZ	352	int i;
be0e2d3e HZ	353
02367029	354	res = platform_get_resource(pdev, IORESOURCE_REG, 0);
ff13e9e2 HZ	355	if (res) {
	356	/* There're resources in 88PM8607 regulator driver */
	357	for (i = 0; i < ARRAY_SIZE(pm8607_regulator_info); i++) {
	358	info = &pm8607_regulator_info[i];
	359	if (info->desc.vsel_reg == res->start)
	360	break;
	361	}
	362	if (i == ARRAY_SIZE(pm8607_regulator_info)) {
	363	dev_err(&pdev->dev, "Failed to find regulator %llu\n",
	364	(unsigned long long)res->start);
	365	return -EINVAL;
	366	}
	367	} else {
	368	/* There's no resource in 88PM8606 PREG regulator driver */
	369	info = &pm8606_regulator_info[0];
	370	/* i is used to check regulator ID */
	371	i = -1;
be0e2d3e	372	}
53dbab7a	373	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
e7a7810a JZ	374	info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
e7a7810a JZ	375	chip->client;
be0e2d3e HZ	376	info->chip = chip;
be0e2d3e HZ	377
22aad001	378	/* check DVC ramp slope double */
586e1a17 HZ	379	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
586e1a17 HZ	380	info->slope_double = 1;
22aad001	381
c172708d	382	config.dev = &pdev->dev;
c172708d MB	383	config.driver_data = info;
c172708d MB	384
2e57d567 HZ	385	if (pm8607_regulator_dt_init(pdev, info, &config))
	386	if (pdata)
	387	config.init_data = pdata;
	388
ef26e0db AL	389	if (chip->id == CHIP_PM8607)
	390	config.regmap = chip->regmap;
	391	else
	392	config.regmap = chip->regmap_companion;
	393
c172708d	394	info->regulator = regulator_register(&info->desc, &config);
be0e2d3e HZ	395	if (IS_ERR(info->regulator)) {
	396	dev_err(&pdev->dev, "failed to register regulator %s\n",
	397	info->desc.name);
	398	return PTR_ERR(info->regulator);
	399	}
	400
be0e2d3e HZ	401	platform_set_drvdata(pdev, info);
	402	return 0;
	403	}
	404
8dc995f5	405	static int pm8607_regulator_remove(struct platform_device *pdev)
be0e2d3e HZ	406	{
	407	struct pm8607_regulator_info *info = platform_get_drvdata(pdev);
	408
192bbb95	409	platform_set_drvdata(pdev, NULL);
be0e2d3e HZ	410	regulator_unregister(info->regulator);
	411	return 0;
	412	}
	413
e7a7810a JZ	414	static struct platform_device_id pm8607_regulator_driver_ids[] = {
	415	{
	416	.name = "88pm860x-regulator",
	417	.driver_data = 0,
	418	}, {
	419	.name = "88pm860x-preg",
	420	.driver_data = 0,
	421	},
	422	{ },
	423	};
	424	MODULE_DEVICE_TABLE(platform, pm8607_regulator_driver_ids);
	425
192bbb95 HZ	426	static struct platform_driver pm8607_regulator_driver = {
	427	.driver = {
	428	.name = "88pm860x-regulator",
	429	.owner = THIS_MODULE,
	430	},
	431	.probe = pm8607_regulator_probe,
5eb9f2b9	432	.remove = pm8607_regulator_remove,
e7a7810a	433	.id_table = pm8607_regulator_driver_ids,
be0e2d3e HZ	434	};
	435
	436	static int __init pm8607_regulator_init(void)
	437	{
192bbb95	438	return platform_driver_register(&pm8607_regulator_driver);
be0e2d3e HZ	439	}
	440	subsys_initcall(pm8607_regulator_init);
	441
	442	static void __exit pm8607_regulator_exit(void)
	443	{
192bbb95	444	platform_driver_unregister(&pm8607_regulator_driver);
be0e2d3e HZ	445	}
	446	module_exit(pm8607_regulator_exit);
	447
	448	MODULE_LICENSE("GPL");
	449	MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
	450	MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM8607 PMIC");
	451	MODULE_ALIAS("platform:88pm8607-regulator");