[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / regulator / mc13783-regulator.c

/*
 * Regulator Driver for Freescale MC13783 PMIC
 *
 * Copyright 2010 Yong Shen <yong.shen@linaro.org>
 * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
 * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.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/mfd/mc13783.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/driver.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/module.h>
#include "mc13xxx.h"

#define MC13783_REG_SWITCHERS0			24
/* Enable does not exist for SW1A */
#define MC13783_REG_SWITCHERS0_SW1AEN			0
#define MC13783_REG_SWITCHERS0_SW1AVSEL			0
#define MC13783_REG_SWITCHERS0_SW1AVSEL_M		(63 << 0)

#define MC13783_REG_SWITCHERS1			25
/* Enable does not exist for SW1B */
#define MC13783_REG_SWITCHERS1_SW1BEN			0
#define MC13783_REG_SWITCHERS1_SW1BVSEL			0
#define MC13783_REG_SWITCHERS1_SW1BVSEL_M		(63 << 0)

#define MC13783_REG_SWITCHERS2			26
/* Enable does not exist for SW2A */
#define MC13783_REG_SWITCHERS2_SW2AEN			0
#define MC13783_REG_SWITCHERS2_SW2AVSEL			0
#define MC13783_REG_SWITCHERS2_SW2AVSEL_M		(63 << 0)

#define MC13783_REG_SWITCHERS3			27
/* Enable does not exist for SW2B */
#define MC13783_REG_SWITCHERS3_SW2BEN			0
#define MC13783_REG_SWITCHERS3_SW2BVSEL			0
#define MC13783_REG_SWITCHERS3_SW2BVSEL_M		(63 << 0)

#define MC13783_REG_SWITCHERS5			29
#define MC13783_REG_SWITCHERS5_SW3EN			(1 << 20)
#define MC13783_REG_SWITCHERS5_SW3VSEL			18
#define MC13783_REG_SWITCHERS5_SW3VSEL_M		(3 << 18)

#define MC13783_REG_REGULATORSETTING0		30
#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL		2
#define MC13783_REG_REGULATORSETTING0_VDIGVSEL		4
#define MC13783_REG_REGULATORSETTING0_VGENVSEL		6
#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL	9
#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL	11
#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL		13
#define MC13783_REG_REGULATORSETTING0_VSIMVSEL		14
#define MC13783_REG_REGULATORSETTING0_VESIMVSEL		15
#define MC13783_REG_REGULATORSETTING0_VCAMVSEL		16

#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL_M	(3 << 2)
#define MC13783_REG_REGULATORSETTING0_VDIGVSEL_M	(3 << 4)
#define MC13783_REG_REGULATORSETTING0_VGENVSEL_M	(7 << 6)
#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL_M	(3 << 9)
#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL_M	(3 << 11)
#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL_M	(1 << 13)
#define MC13783_REG_REGULATORSETTING0_VSIMVSEL_M	(1 << 14)
#define MC13783_REG_REGULATORSETTING0_VESIMVSEL_M	(1 << 15)
#define MC13783_REG_REGULATORSETTING0_VCAMVSEL_M	(7 << 16)

#define MC13783_REG_REGULATORSETTING1		31
#define MC13783_REG_REGULATORSETTING1_VVIBVSEL		0
#define MC13783_REG_REGULATORSETTING1_VRF1VSEL		2
#define MC13783_REG_REGULATORSETTING1_VRF2VSEL		4
#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL		6
#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL		9

#define MC13783_REG_REGULATORSETTING1_VVIBVSEL_M	(3 << 0)
#define MC13783_REG_REGULATORSETTING1_VRF1VSEL_M	(3 << 2)
#define MC13783_REG_REGULATORSETTING1_VRF2VSEL_M	(3 << 4)
#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL_M	(7 << 6)
#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL_M	(7 << 9)

#define MC13783_REG_REGULATORMODE0		32
#define MC13783_REG_REGULATORMODE0_VAUDIOEN		(1 << 0)
#define MC13783_REG_REGULATORMODE0_VIOHIEN		(1 << 3)
#define MC13783_REG_REGULATORMODE0_VIOLOEN		(1 << 6)
#define MC13783_REG_REGULATORMODE0_VDIGEN		(1 << 9)
#define MC13783_REG_REGULATORMODE0_VGENEN		(1 << 12)
#define MC13783_REG_REGULATORMODE0_VRFDIGEN		(1 << 15)
#define MC13783_REG_REGULATORMODE0_VRFREFEN		(1 << 18)
#define MC13783_REG_REGULATORMODE0_VRFCPEN		(1 << 21)

#define MC13783_REG_REGULATORMODE1		33
#define MC13783_REG_REGULATORMODE1_VSIMEN		(1 << 0)
#define MC13783_REG_REGULATORMODE1_VESIMEN		(1 << 3)
#define MC13783_REG_REGULATORMODE1_VCAMEN		(1 << 6)
#define MC13783_REG_REGULATORMODE1_VRFBGEN		(1 << 9)
#define MC13783_REG_REGULATORMODE1_VVIBEN		(1 << 11)
#define MC13783_REG_REGULATORMODE1_VRF1EN		(1 << 12)
#define MC13783_REG_REGULATORMODE1_VRF2EN		(1 << 15)
#define MC13783_REG_REGULATORMODE1_VMMC1EN		(1 << 18)
#define MC13783_REG_REGULATORMODE1_VMMC2EN		(1 << 21)

#define MC13783_REG_POWERMISC			34
#define MC13783_REG_POWERMISC_GPO1EN			(1 << 6)
#define MC13783_REG_POWERMISC_GPO2EN			(1 << 8)
#define MC13783_REG_POWERMISC_GPO3EN			(1 << 10)
#define MC13783_REG_POWERMISC_GPO4EN			(1 << 12)
#define MC13783_REG_POWERMISC_PWGT1SPIEN		(1 << 15)
#define MC13783_REG_POWERMISC_PWGT2SPIEN		(1 << 16)

#define MC13783_REG_POWERMISC_PWGTSPI_M			(3 << 15)


/* Voltage Values */
static const int mc13783_sw1x_val[] = {
	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, 1525000, 1550000, 1575000,
	1600000, 1625000, 1650000, 1675000,
	1700000, 1700000, 1700000, 1700000,
	1800000, 1800000, 1800000, 1800000,
	1850000, 1850000, 1850000, 1850000,
	2000000, 2000000, 2000000, 2000000,
	2100000, 2100000, 2100000, 2100000,
	2200000, 2200000, 2200000, 2200000,
	2200000, 2200000, 2200000, 2200000,
	2200000, 2200000, 2200000, 2200000,
};

static const int mc13783_sw2x_val[] = {
	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, 1525000, 1550000, 1575000,
	1600000, 1625000, 1650000, 1675000,
	1700000, 1700000, 1700000, 1700000,
	1800000, 1800000, 1800000, 1800000,
	1900000, 1900000, 1900000, 1900000,
	2000000, 2000000, 2000000, 2000000,
	2100000, 2100000, 2100000, 2100000,
	2200000, 2200000, 2200000, 2200000,
	2200000, 2200000, 2200000, 2200000,
	2200000, 2200000, 2200000, 2200000,
};

static const unsigned int mc13783_sw3_val[] = {
	5000000, 5000000, 5000000, 5500000,
};

static const unsigned int mc13783_vaudio_val[] = {
	2775000,
};

static const unsigned int mc13783_viohi_val[] = {
	2775000,
};

static const unsigned int mc13783_violo_val[] = {
	1200000, 1300000, 1500000, 1800000,
};

static const unsigned int mc13783_vdig_val[] = {
	1200000, 1300000, 1500000, 1800000,
};

static const unsigned int mc13783_vgen_val[] = {
	1200000, 1300000, 1500000, 1800000,
	1100000, 2000000, 2775000, 2400000,
};

static const unsigned int mc13783_vrfdig_val[] = {
	1200000, 1500000, 1800000, 1875000,
};

static const unsigned int mc13783_vrfref_val[] = {
	2475000, 2600000, 2700000, 2775000,
};

static const unsigned int mc13783_vrfcp_val[] = {
	2700000, 2775000,
};

static const unsigned int mc13783_vsim_val[] = {
	1800000, 2900000, 3000000,
};

static const unsigned int mc13783_vesim_val[] = {
	1800000, 2900000,
};

static const unsigned int mc13783_vcam_val[] = {
	1500000, 1800000, 2500000, 2550000,
	2600000, 2750000, 2800000, 3000000,
};

static const unsigned int mc13783_vrfbg_val[] = {
	1250000,
};

static const unsigned int mc13783_vvib_val[] = {
	1300000, 1800000, 2000000, 3000000,
};

static const unsigned int mc13783_vmmc_val[] = {
	1600000, 1800000, 2000000, 2600000,
	2700000, 2800000, 2900000, 3000000,
};

static const unsigned int mc13783_vrf_val[] = {
	1500000, 1875000, 2700000, 2775000,
};

static const unsigned int mc13783_gpo_val[] = {
	3100000,
};

static const unsigned int mc13783_pwgtdrv_val[] = {
	5500000,
};

static struct regulator_ops mc13783_gpo_regulator_ops;

#define MC13783_DEFINE(prefix, name, reg, vsel_reg, voltages)	\
	MC13xxx_DEFINE(MC13783_REG_, name, reg, vsel_reg, voltages, \
			mc13xxx_regulator_ops)

#define MC13783_FIXED_DEFINE(prefix, name, reg, voltages)		\
	MC13xxx_FIXED_DEFINE(MC13783_REG_, name, reg, voltages, \
			mc13xxx_fixed_regulator_ops)

#define MC13783_GPO_DEFINE(prefix, name, reg, voltages)		\
	MC13xxx_GPO_DEFINE(MC13783_REG_, name, reg, voltages, \
			mc13783_gpo_regulator_ops)

#define MC13783_DEFINE_SW(_name, _reg, _vsel_reg, _voltages)		\
	MC13783_DEFINE(REG, _name, _reg, _vsel_reg, _voltages)
#define MC13783_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages)		\
	MC13783_DEFINE(REG, _name, _reg, _vsel_reg, _voltages)

static struct mc13xxx_regulator mc13783_regulators[] = {
	MC13783_DEFINE_SW(SW1A, SWITCHERS0, SWITCHERS0, mc13783_sw1x_val),
	MC13783_DEFINE_SW(SW1B, SWITCHERS1, SWITCHERS1, mc13783_sw1x_val),
	MC13783_DEFINE_SW(SW2A, SWITCHERS2, SWITCHERS2, mc13783_sw2x_val),
	MC13783_DEFINE_SW(SW2B, SWITCHERS3, SWITCHERS3, mc13783_sw2x_val),
	MC13783_DEFINE_SW(SW3, SWITCHERS5, SWITCHERS5, mc13783_sw3_val),

	MC13783_FIXED_DEFINE(REG, VAUDIO, REGULATORMODE0, mc13783_vaudio_val),
	MC13783_FIXED_DEFINE(REG, VIOHI, REGULATORMODE0, mc13783_viohi_val),
	MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_violo_val),
	MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_vdig_val),
	MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_vgen_val),
	MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_vrfdig_val),
	MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_vrfref_val),
	MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0,	\
			    mc13783_vrfcp_val),
	MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0,	\
			    mc13783_vsim_val),
	MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0,	\
			    mc13783_vesim_val),
	MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0,	\
			    mc13783_vcam_val),
	MC13783_FIXED_DEFINE(REG, VRFBG, REGULATORMODE1, mc13783_vrfbg_val),
	MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1,	\
			    mc13783_vvib_val),
	MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1,	\
			    mc13783_vrf_val),
	MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1,	\
			    mc13783_vrf_val),
	MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1,	\
			    mc13783_vmmc_val),
	MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1,	\
			    mc13783_vmmc_val),
	MC13783_GPO_DEFINE(REG, GPO1, POWERMISC, mc13783_gpo_val),
	MC13783_GPO_DEFINE(REG, GPO2, POWERMISC, mc13783_gpo_val),
	MC13783_GPO_DEFINE(REG, GPO3, POWERMISC, mc13783_gpo_val),
	MC13783_GPO_DEFINE(REG, GPO4, POWERMISC, mc13783_gpo_val),
	MC13783_GPO_DEFINE(REG, PWGT1SPI, POWERMISC, mc13783_pwgtdrv_val),
	MC13783_GPO_DEFINE(REG, PWGT2SPI, POWERMISC, mc13783_pwgtdrv_val),
};

static int mc13783_powermisc_rmw(struct mc13xxx_regulator_priv *priv, u32 mask,
		u32 val)
{
	struct mc13xxx *mc13783 = priv->mc13xxx;
	int ret;
	u32 valread;

	BUG_ON(val & ~mask);

	mc13xxx_lock(priv->mc13xxx);
	ret = mc13xxx_reg_read(mc13783, MC13783_REG_POWERMISC, &valread);
	if (ret)
		goto out;

	/* Update the stored state for Power Gates. */
	priv->powermisc_pwgt_state =
				(priv->powermisc_pwgt_state & ~mask) | val;
	priv->powermisc_pwgt_state &= MC13783_REG_POWERMISC_PWGTSPI_M;

	/* Construct the new register value */
	valread = (valread & ~mask) | val;
	/* Overwrite the PWGTxEN with the stored version */
	valread = (valread & ~MC13783_REG_POWERMISC_PWGTSPI_M) |
						priv->powermisc_pwgt_state;

	ret = mc13xxx_reg_write(mc13783, MC13783_REG_POWERMISC, valread);
out:
	mc13xxx_unlock(priv->mc13xxx);
	return ret;
}

static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev)
{
	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
	int id = rdev_get_id(rdev);
	u32 en_val = mc13xxx_regulators[id].enable_bit;

	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);

	/* Power Gate enable value is 0 */
	if (id == MC13783_REG_PWGT1SPI ||
	    id == MC13783_REG_PWGT2SPI)
		en_val = 0;

	return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit,
					en_val);
}

static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev)
{
	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
	int id = rdev_get_id(rdev);
	u32 dis_val = 0;

	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);

	/* Power Gate disable value is 1 */
	if (id == MC13783_REG_PWGT1SPI ||
	    id == MC13783_REG_PWGT2SPI)
		dis_val = mc13xxx_regulators[id].enable_bit;

	return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit,
					dis_val);
}

static int mc13783_gpo_regulator_is_enabled(struct regulator_dev *rdev)
{
	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
	int ret, id = rdev_get_id(rdev);
	unsigned int val;

	mc13xxx_lock(priv->mc13xxx);
	ret = mc13xxx_reg_read(priv->mc13xxx, mc13xxx_regulators[id].reg, &val);
	mc13xxx_unlock(priv->mc13xxx);

	if (ret)
		return ret;

	/* Power Gates state is stored in powermisc_pwgt_state
	 * where the meaning of bits is negated */
	val = (val & ~MC13783_REG_POWERMISC_PWGTSPI_M) |
	      (priv->powermisc_pwgt_state ^ MC13783_REG_POWERMISC_PWGTSPI_M);

	return (val & mc13xxx_regulators[id].enable_bit) != 0;
}

static struct regulator_ops mc13783_gpo_regulator_ops = {
	.enable = mc13783_gpo_regulator_enable,
	.disable = mc13783_gpo_regulator_disable,
	.is_enabled = mc13783_gpo_regulator_is_enabled,
	.list_voltage = regulator_list_voltage_table,
	.set_voltage = mc13xxx_fixed_regulator_set_voltage,
};

static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
{
	struct mc13xxx_regulator_priv *priv;
	struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent);
	struct mc13xxx_regulator_platform_data *pdata =
		dev_get_platdata(&pdev->dev);
	struct mc13xxx_regulator_init_data *init_data;
	struct regulator_config config = { };
	int i, ret;

	dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);

	if (!pdata)
		return -EINVAL;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
			pdata->num_regulators * sizeof(priv->regulators[0]),
			GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	priv->mc13xxx_regulators = mc13783_regulators;
	priv->mc13xxx = mc13783;

	for (i = 0; i < pdata->num_regulators; i++) {
		struct regulator_desc *desc;

		init_data = &pdata->regulators[i];
		desc = &mc13783_regulators[init_data->id].desc;

		config.dev = &pdev->dev;
		config.init_data = init_data->init_data;
		config.driver_data = priv;

		priv->regulators[i] = regulator_register(desc, &config);
		if (IS_ERR(priv->regulators[i])) {
			dev_err(&pdev->dev, "failed to register regulator %s\n",
				mc13783_regulators[i].desc.name);
			ret = PTR_ERR(priv->regulators[i]);
			goto err;
		}
	}

	platform_set_drvdata(pdev, priv);

	return 0;
err:
	while (--i >= 0)
		regulator_unregister(priv->regulators[i]);

	return ret;
}

static int __devexit mc13783_regulator_remove(struct platform_device *pdev)
{
	struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
	struct mc13xxx_regulator_platform_data *pdata =
		dev_get_platdata(&pdev->dev);
	int i;

	platform_set_drvdata(pdev, NULL);

	for (i = 0; i < pdata->num_regulators; i++)
		regulator_unregister(priv->regulators[i]);

	return 0;
}

static struct platform_driver mc13783_regulator_driver = {
	.driver	= {
		.name	= "mc13783-regulator",
		.owner	= THIS_MODULE,
	},
	.remove		= mc13783_regulator_remove,
	.probe		= mc13783_regulator_probe,
};

static int __init mc13783_regulator_init(void)
{
	return platform_driver_register(&mc13783_regulator_driver);
}
subsys_initcall(mc13783_regulator_init);

static void __exit mc13783_regulator_exit(void)
{
	platform_driver_unregister(&mc13783_regulator_driver);
}
module_exit(mc13783_regulator_exit);

MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC");
MODULE_ALIAS("platform:mc13783-regulator");
Commit	Line	Data
295c08bc SH	1	/*
	2	* Regulator Driver for Freescale MC13783 PMIC
	3	*
167e3d8a	4	* Copyright 2010 Yong Shen <yong.shen@linaro.org>
295c08bc	5	* Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
1bd588fd	6	* Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
295c08bc SH	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
a10099bc	13	#include <linux/mfd/mc13783.h>
295c08bc SH	14	#include <linux/regulator/machine.h>
	15	#include <linux/regulator/driver.h>
	16	#include <linux/platform_device.h>
295c08bc	17	#include <linux/kernel.h>
5a0e3ad6	18	#include <linux/slab.h>
295c08bc SH	19	#include <linux/init.h>
295c08bc SH	20	#include <linux/err.h>
65602c32	21	#include <linux/module.h>
167e3d8a	22	#include "mc13xxx.h"
295c08bc	23
ba02dfd2 GC	24	#define MC13783_REG_SWITCHERS0 24
	25	/* Enable does not exist for SW1A */
	26	#define MC13783_REG_SWITCHERS0_SW1AEN 0
	27	#define MC13783_REG_SWITCHERS0_SW1AVSEL 0
	28	#define MC13783_REG_SWITCHERS0_SW1AVSEL_M (63 << 0)
	29
	30	#define MC13783_REG_SWITCHERS1 25
	31	/* Enable does not exist for SW1B */
	32	#define MC13783_REG_SWITCHERS1_SW1BEN 0
	33	#define MC13783_REG_SWITCHERS1_SW1BVSEL 0
	34	#define MC13783_REG_SWITCHERS1_SW1BVSEL_M (63 << 0)
	35
	36	#define MC13783_REG_SWITCHERS2 26
	37	/* Enable does not exist for SW2A */
	38	#define MC13783_REG_SWITCHERS2_SW2AEN 0
	39	#define MC13783_REG_SWITCHERS2_SW2AVSEL 0
	40	#define MC13783_REG_SWITCHERS2_SW2AVSEL_M (63 << 0)
	41
	42	#define MC13783_REG_SWITCHERS3 27
	43	/* Enable does not exist for SW2B */
	44	#define MC13783_REG_SWITCHERS3_SW2BEN 0
	45	#define MC13783_REG_SWITCHERS3_SW2BVSEL 0
	46	#define MC13783_REG_SWITCHERS3_SW2BVSEL_M (63 << 0)
	47
a10099bc UKK	48	#define MC13783_REG_SWITCHERS5 29
a10099bc UKK	49	#define MC13783_REG_SWITCHERS5_SW3EN (1 << 20)
1bd588fd AP	50	#define MC13783_REG_SWITCHERS5_SW3VSEL 18
	51	#define MC13783_REG_SWITCHERS5_SW3VSEL_M (3 << 18)
	52
	53	#define MC13783_REG_REGULATORSETTING0 30
	54	#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL 2
	55	#define MC13783_REG_REGULATORSETTING0_VDIGVSEL 4
	56	#define MC13783_REG_REGULATORSETTING0_VGENVSEL 6
	57	#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL 9
	58	#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL 11
	59	#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL 13
	60	#define MC13783_REG_REGULATORSETTING0_VSIMVSEL 14
	61	#define MC13783_REG_REGULATORSETTING0_VESIMVSEL 15
	62	#define MC13783_REG_REGULATORSETTING0_VCAMVSEL 16
	63
	64	#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL_M (3 << 2)
	65	#define MC13783_REG_REGULATORSETTING0_VDIGVSEL_M (3 << 4)
	66	#define MC13783_REG_REGULATORSETTING0_VGENVSEL_M (7 << 6)
	67	#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL_M (3 << 9)
	68	#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL_M (3 << 11)
	69	#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL_M (1 << 13)
	70	#define MC13783_REG_REGULATORSETTING0_VSIMVSEL_M (1 << 14)
	71	#define MC13783_REG_REGULATORSETTING0_VESIMVSEL_M (1 << 15)
	72	#define MC13783_REG_REGULATORSETTING0_VCAMVSEL_M (7 << 16)
	73
	74	#define MC13783_REG_REGULATORSETTING1 31
	75	#define MC13783_REG_REGULATORSETTING1_VVIBVSEL 0
	76	#define MC13783_REG_REGULATORSETTING1_VRF1VSEL 2
	77	#define MC13783_REG_REGULATORSETTING1_VRF2VSEL 4
	78	#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL 6
	79	#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL 9
	80
	81	#define MC13783_REG_REGULATORSETTING1_VVIBVSEL_M (3 << 0)
	82	#define MC13783_REG_REGULATORSETTING1_VRF1VSEL_M (3 << 2)
	83	#define MC13783_REG_REGULATORSETTING1_VRF2VSEL_M (3 << 4)
	84	#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL_M (7 << 6)
	85	#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL_M (7 << 9)
a10099bc UKK	86
	87	#define MC13783_REG_REGULATORMODE0 32
	88	#define MC13783_REG_REGULATORMODE0_VAUDIOEN (1 << 0)
	89	#define MC13783_REG_REGULATORMODE0_VIOHIEN (1 << 3)
	90	#define MC13783_REG_REGULATORMODE0_VIOLOEN (1 << 6)
	91	#define MC13783_REG_REGULATORMODE0_VDIGEN (1 << 9)
	92	#define MC13783_REG_REGULATORMODE0_VGENEN (1 << 12)
	93	#define MC13783_REG_REGULATORMODE0_VRFDIGEN (1 << 15)
	94	#define MC13783_REG_REGULATORMODE0_VRFREFEN (1 << 18)
	95	#define MC13783_REG_REGULATORMODE0_VRFCPEN (1 << 21)
	96
	97	#define MC13783_REG_REGULATORMODE1 33
	98	#define MC13783_REG_REGULATORMODE1_VSIMEN (1 << 0)
	99	#define MC13783_REG_REGULATORMODE1_VESIMEN (1 << 3)
	100	#define MC13783_REG_REGULATORMODE1_VCAMEN (1 << 6)
	101	#define MC13783_REG_REGULATORMODE1_VRFBGEN (1 << 9)
	102	#define MC13783_REG_REGULATORMODE1_VVIBEN (1 << 11)
	103	#define MC13783_REG_REGULATORMODE1_VRF1EN (1 << 12)
	104	#define MC13783_REG_REGULATORMODE1_VRF2EN (1 << 15)
	105	#define MC13783_REG_REGULATORMODE1_VMMC1EN (1 << 18)
	106	#define MC13783_REG_REGULATORMODE1_VMMC2EN (1 << 21)
	107
	108	#define MC13783_REG_POWERMISC 34
	109	#define MC13783_REG_POWERMISC_GPO1EN (1 << 6)
	110	#define MC13783_REG_POWERMISC_GPO2EN (1 << 8)
	111	#define MC13783_REG_POWERMISC_GPO3EN (1 << 10)
	112	#define MC13783_REG_POWERMISC_GPO4EN (1 << 12)
f4b97b36 AP	113	#define MC13783_REG_POWERMISC_PWGT1SPIEN (1 << 15)
	114	#define MC13783_REG_POWERMISC_PWGT2SPIEN (1 << 16)
	115
	116	#define MC13783_REG_POWERMISC_PWGTSPI_M (3 << 15)
	117
a10099bc	118
1bd588fd	119	/* Voltage Values */
ba02dfd2 GC	120	static const int mc13783_sw1x_val[] = {
	121	900000, 925000, 950000, 975000,
	122	1000000, 1025000, 1050000, 1075000,
	123	1100000, 1125000, 1150000, 1175000,
	124	1200000, 1225000, 1250000, 1275000,
	125	1300000, 1325000, 1350000, 1375000,
	126	1400000, 1425000, 1450000, 1475000,
	127	1500000, 1525000, 1550000, 1575000,
	128	1600000, 1625000, 1650000, 1675000,
	129	1700000, 1700000, 1700000, 1700000,
	130	1800000, 1800000, 1800000, 1800000,
	131	1850000, 1850000, 1850000, 1850000,
	132	2000000, 2000000, 2000000, 2000000,
	133	2100000, 2100000, 2100000, 2100000,
	134	2200000, 2200000, 2200000, 2200000,
	135	2200000, 2200000, 2200000, 2200000,
	136	2200000, 2200000, 2200000, 2200000,
	137	};
	138
	139	static const int mc13783_sw2x_val[] = {
	140	900000, 925000, 950000, 975000,
	141	1000000, 1025000, 1050000, 1075000,
	142	1100000, 1125000, 1150000, 1175000,
	143	1200000, 1225000, 1250000, 1275000,
	144	1300000, 1325000, 1350000, 1375000,
	145	1400000, 1425000, 1450000, 1475000,
	146	1500000, 1525000, 1550000, 1575000,
	147	1600000, 1625000, 1650000, 1675000,
	148	1700000, 1700000, 1700000, 1700000,
	149	1800000, 1800000, 1800000, 1800000,
	150	1900000, 1900000, 1900000, 1900000,
	151	2000000, 2000000, 2000000, 2000000,
	152	2100000, 2100000, 2100000, 2100000,
	153	2200000, 2200000, 2200000, 2200000,
	154	2200000, 2200000, 2200000, 2200000,
	155	2200000, 2200000, 2200000, 2200000,
	156	};
	157
34e74f39	158	static const unsigned int mc13783_sw3_val[] = {
1bd588fd AP	159	5000000, 5000000, 5000000, 5500000,
	160	};
	161
34e74f39	162	static const unsigned int mc13783_vaudio_val[] = {
1bd588fd AP	163	2775000,
	164	};
	165
34e74f39	166	static const unsigned int mc13783_viohi_val[] = {
1bd588fd AP	167	2775000,
	168	};
	169
34e74f39	170	static const unsigned int mc13783_violo_val[] = {
1bd588fd AP	171	1200000, 1300000, 1500000, 1800000,
	172	};
	173
34e74f39	174	static const unsigned int mc13783_vdig_val[] = {
1bd588fd AP	175	1200000, 1300000, 1500000, 1800000,
	176	};
	177
34e74f39	178	static const unsigned int mc13783_vgen_val[] = {
1bd588fd AP	179	1200000, 1300000, 1500000, 1800000,
	180	1100000, 2000000, 2775000, 2400000,
	181	};
	182
34e74f39	183	static const unsigned int mc13783_vrfdig_val[] = {
1bd588fd AP	184	1200000, 1500000, 1800000, 1875000,
	185	};
	186
34e74f39	187	static const unsigned int mc13783_vrfref_val[] = {
1bd588fd AP	188	2475000, 2600000, 2700000, 2775000,
	189	};
	190
34e74f39	191	static const unsigned int mc13783_vrfcp_val[] = {
1bd588fd AP	192	2700000, 2775000,
	193	};
	194
34e74f39	195	static const unsigned int mc13783_vsim_val[] = {
1bd588fd AP	196	1800000, 2900000, 3000000,
	197	};
	198
34e74f39	199	static const unsigned int mc13783_vesim_val[] = {
1bd588fd AP	200	1800000, 2900000,
	201	};
	202
34e74f39	203	static const unsigned int mc13783_vcam_val[] = {
1bd588fd AP	204	1500000, 1800000, 2500000, 2550000,
	205	2600000, 2750000, 2800000, 3000000,
	206	};
	207
34e74f39	208	static const unsigned int mc13783_vrfbg_val[] = {
1bd588fd AP	209	1250000,
	210	};
	211
34e74f39	212	static const unsigned int mc13783_vvib_val[] = {
1bd588fd AP	213	1300000, 1800000, 2000000, 3000000,
	214	};
	215
34e74f39	216	static const unsigned int mc13783_vmmc_val[] = {
1bd588fd AP	217	1600000, 1800000, 2000000, 2600000,
	218	2700000, 2800000, 2900000, 3000000,
	219	};
	220
34e74f39	221	static const unsigned int mc13783_vrf_val[] = {
1bd588fd	222	1500000, 1875000, 2700000, 2775000,
295c08bc SH	223	};
295c08bc SH	224
34e74f39	225	static const unsigned int mc13783_gpo_val[] = {
f4b97b36 AP	226	3100000,
	227	};
	228
34e74f39	229	static const unsigned int mc13783_pwgtdrv_val[] = {
f4b97b36 AP	230	5500000,
	231	};
	232
f4b97b36	233	static struct regulator_ops mc13783_gpo_regulator_ops;
1bd588fd	234
167e3d8a YS	235	#define MC13783_DEFINE(prefix, name, reg, vsel_reg, voltages) \
	236	MC13xxx_DEFINE(MC13783_REG_, name, reg, vsel_reg, voltages, \
	237	mc13xxx_regulator_ops)
295c08bc	238
167e3d8a YS	239	#define MC13783_FIXED_DEFINE(prefix, name, reg, voltages) \
	240	MC13xxx_FIXED_DEFINE(MC13783_REG_, name, reg, voltages, \
	241	mc13xxx_fixed_regulator_ops)
1bd588fd	242
167e3d8a YS	243	#define MC13783_GPO_DEFINE(prefix, name, reg, voltages) \
	244	MC13xxx_GPO_DEFINE(MC13783_REG_, name, reg, voltages, \
	245	mc13783_gpo_regulator_ops)
a10099bc	246
1bd588fd	247	#define MC13783_DEFINE_SW(_name, _reg, _vsel_reg, _voltages) \
57c78e35	248	MC13783_DEFINE(REG, _name, _reg, _vsel_reg, _voltages)
1bd588fd	249	#define MC13783_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages) \
57c78e35	250	MC13783_DEFINE(REG, _name, _reg, _vsel_reg, _voltages)
a10099bc	251
167e3d8a	252	static struct mc13xxx_regulator mc13783_regulators[] = {
ba02dfd2 GC	253	MC13783_DEFINE_SW(SW1A, SWITCHERS0, SWITCHERS0, mc13783_sw1x_val),
	254	MC13783_DEFINE_SW(SW1B, SWITCHERS1, SWITCHERS1, mc13783_sw1x_val),
	255	MC13783_DEFINE_SW(SW2A, SWITCHERS2, SWITCHERS2, mc13783_sw2x_val),
	256	MC13783_DEFINE_SW(SW2B, SWITCHERS3, SWITCHERS3, mc13783_sw2x_val),
1bd588fd AP	257	MC13783_DEFINE_SW(SW3, SWITCHERS5, SWITCHERS5, mc13783_sw3_val),
1bd588fd AP	258
57c78e35 YS	259	MC13783_FIXED_DEFINE(REG, VAUDIO, REGULATORMODE0, mc13783_vaudio_val),
57c78e35 YS	260	MC13783_FIXED_DEFINE(REG, VIOHI, REGULATORMODE0, mc13783_viohi_val),
1bd588fd AP	261	MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, \
	262	mc13783_violo_val),
	263	MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \
	264	mc13783_vdig_val),
	265	MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, \
	266	mc13783_vgen_val),
	267	MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, \
	268	mc13783_vrfdig_val),
	269	MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, \
	270	mc13783_vrfref_val),
	271	MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, \
	272	mc13783_vrfcp_val),
	273	MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, \
	274	mc13783_vsim_val),
	275	MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, \
	276	mc13783_vesim_val),
	277	MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \
	278	mc13783_vcam_val),
57c78e35	279	MC13783_FIXED_DEFINE(REG, VRFBG, REGULATORMODE1, mc13783_vrfbg_val),
1bd588fd AP	280	MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, \
	281	mc13783_vvib_val),
	282	MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, \
	283	mc13783_vrf_val),
	284	MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, \
	285	mc13783_vrf_val),
	286	MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, \
	287	mc13783_vmmc_val),
	288	MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, \
	289	mc13783_vmmc_val),
57c78e35 YS	290	MC13783_GPO_DEFINE(REG, GPO1, POWERMISC, mc13783_gpo_val),
	291	MC13783_GPO_DEFINE(REG, GPO2, POWERMISC, mc13783_gpo_val),
	292	MC13783_GPO_DEFINE(REG, GPO3, POWERMISC, mc13783_gpo_val),
	293	MC13783_GPO_DEFINE(REG, GPO4, POWERMISC, mc13783_gpo_val),
	294	MC13783_GPO_DEFINE(REG, PWGT1SPI, POWERMISC, mc13783_pwgtdrv_val),
	295	MC13783_GPO_DEFINE(REG, PWGT2SPI, POWERMISC, mc13783_pwgtdrv_val),
295c08bc SH	296	};
295c08bc SH	297
167e3d8a YS	298	static int mc13783_powermisc_rmw(struct mc13xxx_regulator_priv *priv, u32 mask,
167e3d8a YS	299	u32 val)
f4b97b36	300	{
167e3d8a	301	struct mc13xxx *mc13783 = priv->mc13xxx;
f4b97b36 AP	302	int ret;
	303	u32 valread;
	304
	305	BUG_ON(val & ~mask);
	306
2a2c3ac0	307	mc13xxx_lock(priv->mc13xxx);
167e3d8a	308	ret = mc13xxx_reg_read(mc13783, MC13783_REG_POWERMISC, &valread);
f4b97b36	309	if (ret)
2a2c3ac0	310	goto out;
f4b97b36 AP	311
	312	/* Update the stored state for Power Gates. */
	313	priv->powermisc_pwgt_state =
	314	(priv->powermisc_pwgt_state & ~mask) \| val;
	315	priv->powermisc_pwgt_state &= MC13783_REG_POWERMISC_PWGTSPI_M;
	316
	317	/* Construct the new register value */
	318	valread = (valread & ~mask) \| val;
	319	/* Overwrite the PWGTxEN with the stored version */
	320	valread = (valread & ~MC13783_REG_POWERMISC_PWGTSPI_M) \|
	321	priv->powermisc_pwgt_state;
	322
2a2c3ac0 AL	323	ret = mc13xxx_reg_write(mc13783, MC13783_REG_POWERMISC, valread);
	324	out:
	325	mc13xxx_unlock(priv->mc13xxx);
	326	return ret;
f4b97b36 AP	327	}
	328
	329	static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev)
	330	{
167e3d8a YS	331	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
167e3d8a YS	332	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
f4b97b36	333	int id = rdev_get_id(rdev);
167e3d8a	334	u32 en_val = mc13xxx_regulators[id].enable_bit;
f4b97b36 AP	335
	336	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
	337
	338	/* Power Gate enable value is 0 */
57c78e35 YS	339	if (id == MC13783_REG_PWGT1SPI \|\|
57c78e35 YS	340	id == MC13783_REG_PWGT2SPI)
f4b97b36 AP	341	en_val = 0;
f4b97b36 AP	342
2a2c3ac0	343	return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit,
f4b97b36	344	en_val);
f4b97b36 AP	345	}
	346
	347	static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev)
	348	{
167e3d8a YS	349	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
167e3d8a YS	350	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
f4b97b36	351	int id = rdev_get_id(rdev);
f4b97b36 AP	352	u32 dis_val = 0;
	353
	354	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
	355
	356	/* Power Gate disable value is 1 */
57c78e35 YS	357	if (id == MC13783_REG_PWGT1SPI \|\|
57c78e35 YS	358	id == MC13783_REG_PWGT2SPI)
167e3d8a	359	dis_val = mc13xxx_regulators[id].enable_bit;
f4b97b36	360
2a2c3ac0	361	return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit,
f4b97b36	362	dis_val);
f4b97b36 AP	363	}
	364
	365	static int mc13783_gpo_regulator_is_enabled(struct regulator_dev *rdev)
	366	{
167e3d8a YS	367	struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev);
167e3d8a YS	368	struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators;
f4b97b36 AP	369	int ret, id = rdev_get_id(rdev);
	370	unsigned int val;
	371
167e3d8a YS	372	mc13xxx_lock(priv->mc13xxx);
	373	ret = mc13xxx_reg_read(priv->mc13xxx, mc13xxx_regulators[id].reg, &val);
	374	mc13xxx_unlock(priv->mc13xxx);
f4b97b36 AP	375
	376	if (ret)
	377	return ret;
	378
	379	/* Power Gates state is stored in powermisc_pwgt_state
	380	* where the meaning of bits is negated */
	381	val = (val & ~MC13783_REG_POWERMISC_PWGTSPI_M) \|
	382	(priv->powermisc_pwgt_state ^ MC13783_REG_POWERMISC_PWGTSPI_M);
	383
167e3d8a	384	return (val & mc13xxx_regulators[id].enable_bit) != 0;
f4b97b36 AP	385	}
	386
	387	static struct regulator_ops mc13783_gpo_regulator_ops = {
	388	.enable = mc13783_gpo_regulator_enable,
	389	.disable = mc13783_gpo_regulator_disable,
	390	.is_enabled = mc13783_gpo_regulator_is_enabled,
34e74f39	391	.list_voltage = regulator_list_voltage_table,
167e3d8a	392	.set_voltage = mc13xxx_fixed_regulator_set_voltage,
f4b97b36 AP	393	};
f4b97b36 AP	394
295c08bc SH	395	static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
295c08bc SH	396	{
167e3d8a YS	397	struct mc13xxx_regulator_priv *priv;
167e3d8a YS	398	struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent);
8f1585aa	399	struct mc13xxx_regulator_platform_data *pdata =
c8a03c96	400	dev_get_platdata(&pdev->dev);
8f1585aa	401	struct mc13xxx_regulator_init_data *init_data;
a9d58010	402	struct regulator_config config = { };
295c08bc SH	403	int i, ret;
295c08bc SH	404
c719864f	405	dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);
295c08bc	406
0757b602 SH	407	if (!pdata)
	408	return -EINVAL;
	409
cbe10a36	410	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
a10099bc	411	pdata->num_regulators * sizeof(priv->regulators[0]),
295c08bc SH	412	GFP_KERNEL);
	413	if (!priv)
	414	return -ENOMEM;
	415
167e3d8a YS	416	priv->mc13xxx_regulators = mc13783_regulators;
167e3d8a YS	417	priv->mc13xxx = mc13783;
295c08bc	418
a10099bc	419	for (i = 0; i < pdata->num_regulators; i++) {
a9d58010 AL	420	struct regulator_desc *desc;
a9d58010 AL	421
a10099bc	422	init_data = &pdata->regulators[i];
a9d58010 AL	423	desc = &mc13783_regulators[init_data->id].desc;
	424
	425	config.dev = &pdev->dev;
	426	config.init_data = init_data->init_data;
	427	config.driver_data = priv;
295c08bc	428
a9d58010	429	priv->regulators[i] = regulator_register(desc, &config);
295c08bc SH	430	if (IS_ERR(priv->regulators[i])) {
	431	dev_err(&pdev->dev, "failed to register regulator %s\n",
	432	mc13783_regulators[i].desc.name);
	433	ret = PTR_ERR(priv->regulators[i]);
	434	goto err;
	435	}
	436	}
	437
	438	platform_set_drvdata(pdev, priv);
	439
	440	return 0;
	441	err:
	442	while (--i >= 0)
	443	regulator_unregister(priv->regulators[i]);
	444
295c08bc SH	445	return ret;
	446	}
	447
	448	static int __devexit mc13783_regulator_remove(struct platform_device *pdev)
	449	{
167e3d8a	450	struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
8f1585aa	451	struct mc13xxx_regulator_platform_data *pdata =
c8a03c96	452	dev_get_platdata(&pdev->dev);
295c08bc SH	453	int i;
295c08bc SH	454
58d57658 AL	455	platform_set_drvdata(pdev, NULL);
58d57658 AL	456
a10099bc	457	for (i = 0; i < pdata->num_regulators; i++)
295c08bc SH	458	regulator_unregister(priv->regulators[i]);
	459
	460	return 0;
	461	}
	462
	463	static struct platform_driver mc13783_regulator_driver = {
	464	.driver = {
	465	.name = "mc13783-regulator",
	466	.owner = THIS_MODULE,
	467	},
5eb9f2b9	468	.remove = mc13783_regulator_remove,
735eb93a	469	.probe = mc13783_regulator_probe,
295c08bc SH	470	};
	471
	472	static int __init mc13783_regulator_init(void)
	473	{
735eb93a	474	return platform_driver_register(&mc13783_regulator_driver);
295c08bc SH	475	}
	476	subsys_initcall(mc13783_regulator_init);
	477
	478	static void __exit mc13783_regulator_exit(void)
	479	{
	480	platform_driver_unregister(&mc13783_regulator_driver);
	481	}
	482	module_exit(mc13783_regulator_exit);
	483
a10099bc	484	MODULE_LICENSE("GPL v2");
1dcc434b	485	MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
295c08bc SH	486	MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC");
295c08bc SH	487	MODULE_ALIAS("platform:mc13783-regulator");