[mirror_ubuntu-bionic-kernel.git] / drivers / regulator / pcf50633-regulator.c

/* NXP PCF50633 PMIC Driver
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * Author: Balaji Rao <balajirrao@openmoko.org>
 * All rights reserved.
 *
 * Broken down from monstrous PCF50633 driver mainly by
 * Harald Welte and Andy Green and Werner Almesberger
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/platform_device.h>

#include <linux/mfd/pcf50633/core.h>
#include <linux/mfd/pcf50633/pmic.h>

#define PCF50633_REGULATOR(_name, _id, _n) 		\
	{					\
		.name = _name, 			\
		.id = _id,			\
		.ops = &pcf50633_regulator_ops,	\
		.n_voltages = _n, \
		.type = REGULATOR_VOLTAGE, 	\
		.owner = THIS_MODULE, 		\
	}

static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
	[PCF50633_REGULATOR_AUTO]	= PCF50633_REG_AUTOOUT,
	[PCF50633_REGULATOR_DOWN1]	= PCF50633_REG_DOWN1OUT,
	[PCF50633_REGULATOR_DOWN2]	= PCF50633_REG_DOWN2OUT,
	[PCF50633_REGULATOR_MEMLDO]	= PCF50633_REG_MEMLDOOUT,
	[PCF50633_REGULATOR_LDO1]	= PCF50633_REG_LDO1OUT,
	[PCF50633_REGULATOR_LDO2]	= PCF50633_REG_LDO2OUT,
	[PCF50633_REGULATOR_LDO3]	= PCF50633_REG_LDO3OUT,
	[PCF50633_REGULATOR_LDO4]	= PCF50633_REG_LDO4OUT,
	[PCF50633_REGULATOR_LDO5]	= PCF50633_REG_LDO5OUT,
	[PCF50633_REGULATOR_LDO6]	= PCF50633_REG_LDO6OUT,
	[PCF50633_REGULATOR_HCLDO]	= PCF50633_REG_HCLDOOUT,
};

/* Bits from voltage value */
static u8 auto_voltage_bits(unsigned int millivolts)
{
	if (millivolts < 1800)
		return 0;
	if (millivolts > 3800)
		return 0xff;

	millivolts -= 625;

	return millivolts / 25;
}

static u8 down_voltage_bits(unsigned int millivolts)
{
	if (millivolts < 625)
		return 0;
	else if (millivolts > 3000)
		return 0xff;

	millivolts -= 625;

	return millivolts / 25;
}

static u8 ldo_voltage_bits(unsigned int millivolts)
{
	if (millivolts < 900)
		return 0;
	else if (millivolts > 3600)
		return 0x1f;

	millivolts -= 900;
	return millivolts / 100;
}

/* Obtain voltage value from bits */
static unsigned int auto_voltage_value(u8 bits)
{
	if (bits < 0x2f)
		return 0;

	return 625 + (bits * 25);
}


static unsigned int down_voltage_value(u8 bits)
{
	return 625 + (bits * 25);
}


static unsigned int ldo_voltage_value(u8 bits)
{
	bits &= 0x1f;

	return 900 + (bits * 100);
}

static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
					  int min_uV, int max_uV,
					  unsigned *selector)
{
	struct pcf50633 *pcf;
	int regulator_id, millivolts;
	u8 volt_bits, regnr;

	pcf = rdev_get_drvdata(rdev);

	regulator_id = rdev_get_id(rdev);
	if (regulator_id >= PCF50633_NUM_REGULATORS)
		return -EINVAL;

	millivolts = min_uV / 1000;

	regnr = pcf50633_regulator_registers[regulator_id];

	switch (regulator_id) {
	case PCF50633_REGULATOR_AUTO:
		volt_bits = auto_voltage_bits(millivolts);
		break;
	case PCF50633_REGULATOR_DOWN1:
		volt_bits = down_voltage_bits(millivolts);
		break;
	case PCF50633_REGULATOR_DOWN2:
		volt_bits = down_voltage_bits(millivolts);
		break;
	case PCF50633_REGULATOR_LDO1:
	case PCF50633_REGULATOR_LDO2:
	case PCF50633_REGULATOR_LDO3:
	case PCF50633_REGULATOR_LDO4:
	case PCF50633_REGULATOR_LDO5:
	case PCF50633_REGULATOR_LDO6:
	case PCF50633_REGULATOR_HCLDO:
	case PCF50633_REGULATOR_MEMLDO:
		volt_bits = ldo_voltage_bits(millivolts);
		break;
	default:
		return -EINVAL;
	}

	*selector = volt_bits;

	return pcf50633_reg_write(pcf, regnr, volt_bits);
}

static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
						u8 bits)
{
	int millivolts;

	switch (id) {
	case PCF50633_REGULATOR_AUTO:
		millivolts = auto_voltage_value(bits);
		break;
	case PCF50633_REGULATOR_DOWN1:
		millivolts = down_voltage_value(bits);
		break;
	case PCF50633_REGULATOR_DOWN2:
		millivolts = down_voltage_value(bits);
		break;
	case PCF50633_REGULATOR_LDO1:
	case PCF50633_REGULATOR_LDO2:
	case PCF50633_REGULATOR_LDO3:
	case PCF50633_REGULATOR_LDO4:
	case PCF50633_REGULATOR_LDO5:
	case PCF50633_REGULATOR_LDO6:
	case PCF50633_REGULATOR_HCLDO:
	case PCF50633_REGULATOR_MEMLDO:
		millivolts = ldo_voltage_value(bits);
		break;
	default:
		return -EINVAL;
	}

	return millivolts * 1000;
}

static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
{
	struct pcf50633 *pcf;
	int regulator_id;
	u8 volt_bits, regnr;

	pcf = rdev_get_drvdata(rdev);

	regulator_id = rdev_get_id(rdev);
	if (regulator_id >= PCF50633_NUM_REGULATORS)
		return -EINVAL;

	regnr = pcf50633_regulator_registers[regulator_id];

	volt_bits = pcf50633_reg_read(pcf, regnr);

	return pcf50633_regulator_voltage_value(regulator_id, volt_bits);
}

static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
						unsigned int index)
{
	struct pcf50633 *pcf;
	int regulator_id;

	pcf = rdev_get_drvdata(rdev);

	regulator_id = rdev_get_id(rdev);

	switch (regulator_id) {
	case PCF50633_REGULATOR_AUTO:
		index += 0x2f;
		break;
	default:
		break;
	}

	return pcf50633_regulator_voltage_value(regulator_id, index);
}

static int pcf50633_regulator_enable(struct regulator_dev *rdev)
{
	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	int regulator_id;
	u8 regnr;

	regulator_id = rdev_get_id(rdev);
	if (regulator_id >= PCF50633_NUM_REGULATORS)
		return -EINVAL;

	/* The *ENA register is always one after the *OUT register */
	regnr = pcf50633_regulator_registers[regulator_id] + 1;

	return pcf50633_reg_set_bit_mask(pcf, regnr, PCF50633_REGULATOR_ON,
						       PCF50633_REGULATOR_ON);
}

static int pcf50633_regulator_disable(struct regulator_dev *rdev)
{
	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	int regulator_id;
	u8 regnr;

	regulator_id = rdev_get_id(rdev);
	if (regulator_id >= PCF50633_NUM_REGULATORS)
		return -EINVAL;

	/* the *ENA register is always one after the *OUT register */
	regnr = pcf50633_regulator_registers[regulator_id] + 1;

	return pcf50633_reg_set_bit_mask(pcf, regnr,
					PCF50633_REGULATOR_ON, 0);
}

static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
{
	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	int regulator_id = rdev_get_id(rdev);
	u8 regnr;

	regulator_id = rdev_get_id(rdev);
	if (regulator_id >= PCF50633_NUM_REGULATORS)
		return -EINVAL;

	/* the *ENA register is always one after the *OUT register */
	regnr = pcf50633_regulator_registers[regulator_id] + 1;

	return pcf50633_reg_read(pcf, regnr) & PCF50633_REGULATOR_ON;
}

static struct regulator_ops pcf50633_regulator_ops = {
	.set_voltage = pcf50633_regulator_set_voltage,
	.get_voltage = pcf50633_regulator_get_voltage,
	.list_voltage = pcf50633_regulator_list_voltage,
	.enable = pcf50633_regulator_enable,
	.disable = pcf50633_regulator_disable,
	.is_enabled = pcf50633_regulator_is_enabled,
};

static struct regulator_desc regulators[] = {
	[PCF50633_REGULATOR_AUTO] =
		PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 81),
	[PCF50633_REGULATOR_DOWN1] =
		PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 96),
	[PCF50633_REGULATOR_DOWN2] =
		PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 96),
	[PCF50633_REGULATOR_LDO1] =
		PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 28),
	[PCF50633_REGULATOR_LDO2] =
		PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 28),
	[PCF50633_REGULATOR_LDO3] =
		PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 28),
	[PCF50633_REGULATOR_LDO4] =
		PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 28),
	[PCF50633_REGULATOR_LDO5] =
		PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 28),
	[PCF50633_REGULATOR_LDO6] =
		PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 28),
	[PCF50633_REGULATOR_HCLDO] =
		PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 28),
	[PCF50633_REGULATOR_MEMLDO] =
		PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 28),
};

static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
{
	struct regulator_dev *rdev;
	struct pcf50633 *pcf;

	/* Already set by core driver */
	pcf = dev_to_pcf50633(pdev->dev.parent);

	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
				  pdev->dev.platform_data, pcf, NULL);
	if (IS_ERR(rdev))
		return PTR_ERR(rdev);

	platform_set_drvdata(pdev, rdev);

	if (pcf->pdata->regulator_registered)
		pcf->pdata->regulator_registered(pcf, pdev->id);

	return 0;
}

static int __devexit pcf50633_regulator_remove(struct platform_device *pdev)
{
	struct regulator_dev *rdev = platform_get_drvdata(pdev);

	platform_set_drvdata(pdev, NULL);
	regulator_unregister(rdev);

	return 0;
}

static struct platform_driver pcf50633_regulator_driver = {
	.driver = {
		.name = "pcf50633-regltr",
	},
	.probe = pcf50633_regulator_probe,
	.remove = __devexit_p(pcf50633_regulator_remove),
};

static int __init pcf50633_regulator_init(void)
{
	return platform_driver_register(&pcf50633_regulator_driver);
}
subsys_initcall(pcf50633_regulator_init);

static void __exit pcf50633_regulator_exit(void)
{
	platform_driver_unregister(&pcf50633_regulator_driver);
}
module_exit(pcf50633_regulator_exit);

MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
MODULE_DESCRIPTION("PCF50633 regulator driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcf50633-regulator");
Commit	Line	Data
5ec271e7 BR	1	/* NXP PCF50633 PMIC Driver
	2	*
	3	* (C) 2006-2008 by Openmoko, Inc.
	4	* Author: Balaji Rao <balajirrao@openmoko.org>
	5	* All rights reserved.
	6	*
	7	* Broken down from monstrous PCF50633 driver mainly by
	8	* Harald Welte and Andy Green and Werner Almesberger
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	*/
	16
	17	#include <linux/kernel.h>
	18	#include <linux/module.h>
	19	#include <linux/init.h>
	20	#include <linux/device.h>
	21	#include <linux/err.h>
	22	#include <linux/platform_device.h>
	23
	24	#include <linux/mfd/pcf50633/core.h>
	25	#include <linux/mfd/pcf50633/pmic.h>
	26
a6576cff	27	#define PCF50633_REGULATOR(_name, _id, _n) \
5ec271e7 BR	28	{ \
	29	.name = _name, \
	30	.id = _id, \
	31	.ops = &pcf50633_regulator_ops, \
a6576cff	32	.n_voltages = _n, \
5ec271e7 BR	33	.type = REGULATOR_VOLTAGE, \
	34	.owner = THIS_MODULE, \
	35	}
	36
	37	static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = {
	38	[PCF50633_REGULATOR_AUTO] = PCF50633_REG_AUTOOUT,
	39	[PCF50633_REGULATOR_DOWN1] = PCF50633_REG_DOWN1OUT,
	40	[PCF50633_REGULATOR_DOWN2] = PCF50633_REG_DOWN2OUT,
	41	[PCF50633_REGULATOR_MEMLDO] = PCF50633_REG_MEMLDOOUT,
	42	[PCF50633_REGULATOR_LDO1] = PCF50633_REG_LDO1OUT,
	43	[PCF50633_REGULATOR_LDO2] = PCF50633_REG_LDO2OUT,
	44	[PCF50633_REGULATOR_LDO3] = PCF50633_REG_LDO3OUT,
	45	[PCF50633_REGULATOR_LDO4] = PCF50633_REG_LDO4OUT,
	46	[PCF50633_REGULATOR_LDO5] = PCF50633_REG_LDO5OUT,
	47	[PCF50633_REGULATOR_LDO6] = PCF50633_REG_LDO6OUT,
	48	[PCF50633_REGULATOR_HCLDO] = PCF50633_REG_HCLDOOUT,
	49	};
	50
	51	/* Bits from voltage value */
	52	static u8 auto_voltage_bits(unsigned int millivolts)
	53	{
	54	if (millivolts < 1800)
	55	return 0;
	56	if (millivolts > 3800)
	57	return 0xff;
	58
	59	millivolts -= 625;
	60
	61	return millivolts / 25;
	62	}
	63
	64	static u8 down_voltage_bits(unsigned int millivolts)
	65	{
	66	if (millivolts < 625)
	67	return 0;
	68	else if (millivolts > 3000)
	69	return 0xff;
	70
	71	millivolts -= 625;
	72
	73	return millivolts / 25;
	74	}
	75
	76	static u8 ldo_voltage_bits(unsigned int millivolts)
	77	{
	78	if (millivolts < 900)
	79	return 0;
	80	else if (millivolts > 3600)
	81	return 0x1f;
	82
	83	millivolts -= 900;
	84	return millivolts / 100;
	85	}
	86
	87	/* Obtain voltage value from bits */
	88	static unsigned int auto_voltage_value(u8 bits)
	89	{
	90	if (bits < 0x2f)
	91	return 0;
	92
	93	return 625 + (bits * 25);
	94	}
	95
	96
97	static unsigned int down_voltage_value(u8 bits)
98	{
99	return 625 + (bits * 25);
100	}
101
102
103	static unsigned int ldo_voltage_value(u8 bits)
104	{
105	bits &= 0x1f;
106
107	return 900 + (bits * 100);
108	}
109
110	static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
3a93f2a9 MB	111	int min_uV, int max_uV,
3a93f2a9 MB	112	unsigned *selector)
5ec271e7 BR	113	{
	114	struct pcf50633 *pcf;
	115	int regulator_id, millivolts;
	116	u8 volt_bits, regnr;
	117
	118	pcf = rdev_get_drvdata(rdev);
	119
	120	regulator_id = rdev_get_id(rdev);
	121	if (regulator_id >= PCF50633_NUM_REGULATORS)
	122	return -EINVAL;
	123
	124	millivolts = min_uV / 1000;
	125
	126	regnr = pcf50633_regulator_registers[regulator_id];
	127
	128	switch (regulator_id) {
	129	case PCF50633_REGULATOR_AUTO:
	130	volt_bits = auto_voltage_bits(millivolts);
	131	break;
	132	case PCF50633_REGULATOR_DOWN1:
	133	volt_bits = down_voltage_bits(millivolts);
	134	break;
	135	case PCF50633_REGULATOR_DOWN2:
	136	volt_bits = down_voltage_bits(millivolts);
	137	break;
	138	case PCF50633_REGULATOR_LDO1:
	139	case PCF50633_REGULATOR_LDO2:
	140	case PCF50633_REGULATOR_LDO3:
	141	case PCF50633_REGULATOR_LDO4:
	142	case PCF50633_REGULATOR_LDO5:
	143	case PCF50633_REGULATOR_LDO6:
	144	case PCF50633_REGULATOR_HCLDO:
ba51c6c0	145	case PCF50633_REGULATOR_MEMLDO:
5ec271e7 BR	146	volt_bits = ldo_voltage_bits(millivolts);
	147	break;
	148	default:
	149	return -EINVAL;
	150	}
	151
3a93f2a9 MB	152	*selector = volt_bits;
3a93f2a9 MB	153
5ec271e7 BR	154	return pcf50633_reg_write(pcf, regnr, volt_bits);
	155	}
	156
a6576cff LPC	157	static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
	158	u8 bits)
	159	{
	160	int millivolts;
	161
	162	switch (id) {
	163	case PCF50633_REGULATOR_AUTO:
	164	millivolts = auto_voltage_value(bits);
	165	break;
	166	case PCF50633_REGULATOR_DOWN1:
	167	millivolts = down_voltage_value(bits);
	168	break;
	169	case PCF50633_REGULATOR_DOWN2:
	170	millivolts = down_voltage_value(bits);
	171	break;
	172	case PCF50633_REGULATOR_LDO1:
	173	case PCF50633_REGULATOR_LDO2:
	174	case PCF50633_REGULATOR_LDO3:
	175	case PCF50633_REGULATOR_LDO4:
	176	case PCF50633_REGULATOR_LDO5:
	177	case PCF50633_REGULATOR_LDO6:
	178	case PCF50633_REGULATOR_HCLDO:
ba51c6c0	179	case PCF50633_REGULATOR_MEMLDO:
a6576cff LPC	180	millivolts = ldo_voltage_value(bits);
	181	break;
	182	default:
	183	return -EINVAL;
	184	}
	185
	186	return millivolts * 1000;
	187	}
	188
5ec271e7 BR	189	static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
	190	{
	191	struct pcf50633 *pcf;
a6576cff LPC	192	int regulator_id;
a6576cff LPC	193	u8 volt_bits, regnr;
5ec271e7	194
561864e8	195	pcf = rdev_get_drvdata(rdev);
5ec271e7 BR	196
	197	regulator_id = rdev_get_id(rdev);
	198	if (regulator_id >= PCF50633_NUM_REGULATORS)
	199	return -EINVAL;
	200
	201	regnr = pcf50633_regulator_registers[regulator_id];
	202
	203	volt_bits = pcf50633_reg_read(pcf, regnr);
a6576cff LPC	204
	205	return pcf50633_regulator_voltage_value(regulator_id, volt_bits);
	206	}
	207
	208	static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
	209	unsigned int index)
	210	{
	211	struct pcf50633 *pcf;
	212	int regulator_id;
	213
	214	pcf = rdev_get_drvdata(rdev);
	215
	216	regulator_id = rdev_get_id(rdev);
5ec271e7 BR	217
	218	switch (regulator_id) {
	219	case PCF50633_REGULATOR_AUTO:
a6576cff	220	index += 0x2f;
5ec271e7	221	break;
5ec271e7	222	default:
a6576cff	223	break;
5ec271e7 BR	224	}
5ec271e7 BR	225
a6576cff	226	return pcf50633_regulator_voltage_value(regulator_id, index);
5ec271e7 BR	227	}
	228
	229	static int pcf50633_regulator_enable(struct regulator_dev *rdev)
	230	{
	231	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	232	int regulator_id;
	233	u8 regnr;
	234
	235	regulator_id = rdev_get_id(rdev);
	236	if (regulator_id >= PCF50633_NUM_REGULATORS)
	237	return -EINVAL;
	238
	239	/* The ENA register is always one after the OUT register */
	240	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	241
	242	return pcf50633_reg_set_bit_mask(pcf, regnr, PCF50633_REGULATOR_ON,
	243	PCF50633_REGULATOR_ON);
	244	}
	245
	246	static int pcf50633_regulator_disable(struct regulator_dev *rdev)
	247	{
	248	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	249	int regulator_id;
	250	u8 regnr;
	251
	252	regulator_id = rdev_get_id(rdev);
	253	if (regulator_id >= PCF50633_NUM_REGULATORS)
	254	return -EINVAL;
	255
	256	/* the ENA register is always one after the OUT register */
	257	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	258
	259	return pcf50633_reg_set_bit_mask(pcf, regnr,
	260	PCF50633_REGULATOR_ON, 0);
	261	}
	262
	263	static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
	264	{
	265	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	266	int regulator_id = rdev_get_id(rdev);
	267	u8 regnr;
	268
	269	regulator_id = rdev_get_id(rdev);
	270	if (regulator_id >= PCF50633_NUM_REGULATORS)
	271	return -EINVAL;
	272
	273	/* the ENA register is always one after the OUT register */
	274	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	275
	276	return pcf50633_reg_read(pcf, regnr) & PCF50633_REGULATOR_ON;
	277	}
	278
	279	static struct regulator_ops pcf50633_regulator_ops = {
	280	.set_voltage = pcf50633_regulator_set_voltage,
	281	.get_voltage = pcf50633_regulator_get_voltage,
a6576cff	282	.list_voltage = pcf50633_regulator_list_voltage,
5ec271e7 BR	283	.enable = pcf50633_regulator_enable,
	284	.disable = pcf50633_regulator_disable,
	285	.is_enabled = pcf50633_regulator_is_enabled,
	286	};
	287
	288	static struct regulator_desc regulators[] = {
	289	[PCF50633_REGULATOR_AUTO] =
ba51c6c0	290	PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 81),
5ec271e7	291	[PCF50633_REGULATOR_DOWN1] =
ba51c6c0	292	PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 96),
5ec271e7	293	[PCF50633_REGULATOR_DOWN2] =
ba51c6c0	294	PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 96),
5ec271e7	295	[PCF50633_REGULATOR_LDO1] =
ba51c6c0	296	PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 28),
5ec271e7	297	[PCF50633_REGULATOR_LDO2] =
ba51c6c0	298	PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 28),
5ec271e7	299	[PCF50633_REGULATOR_LDO3] =
ba51c6c0	300	PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 28),
5ec271e7	301	[PCF50633_REGULATOR_LDO4] =
ba51c6c0	302	PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 28),
5ec271e7	303	[PCF50633_REGULATOR_LDO5] =
ba51c6c0	304	PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 28),
5ec271e7	305	[PCF50633_REGULATOR_LDO6] =
ba51c6c0	306	PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 28),
5ec271e7	307	[PCF50633_REGULATOR_HCLDO] =
ba51c6c0	308	PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 28),
5ec271e7	309	[PCF50633_REGULATOR_MEMLDO] =
ba51c6c0	310	PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 28),
5ec271e7 BR	311	};
	312
	313	static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
	314	{
	315	struct regulator_dev *rdev;
	316	struct pcf50633 *pcf;
	317
	318	/* Already set by core driver */
98c2e490	319	pcf = dev_to_pcf50633(pdev->dev.parent);
5ec271e7	320
0527100f	321	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
2c043bcb	322	pdev->dev.platform_data, pcf, NULL);
5ec271e7 BR	323	if (IS_ERR(rdev))
	324	return PTR_ERR(rdev);
	325
98c2e490 LPC	326	platform_set_drvdata(pdev, rdev);
98c2e490 LPC	327
5ec271e7 BR	328	if (pcf->pdata->regulator_registered)
	329	pcf->pdata->regulator_registered(pcf, pdev->id);
	330
	331	return 0;
	332	}
	333
	334	static int __devexit pcf50633_regulator_remove(struct platform_device *pdev)
	335	{
	336	struct regulator_dev *rdev = platform_get_drvdata(pdev);
	337
98c2e490	338	platform_set_drvdata(pdev, NULL);
5ec271e7 BR	339	regulator_unregister(rdev);
	340
	341	return 0;
	342	}
	343
	344	static struct platform_driver pcf50633_regulator_driver = {
	345	.driver = {
	346	.name = "pcf50633-regltr",
	347	},
	348	.probe = pcf50633_regulator_probe,
	349	.remove = __devexit_p(pcf50633_regulator_remove),
	350	};
	351
	352	static int __init pcf50633_regulator_init(void)
	353	{
	354	return platform_driver_register(&pcf50633_regulator_driver);
	355	}
5a1b22be	356	subsys_initcall(pcf50633_regulator_init);
5ec271e7 BR	357
	358	static void __exit pcf50633_regulator_exit(void)
	359	{
	360	platform_driver_unregister(&pcf50633_regulator_driver);
	361	}
	362	module_exit(pcf50633_regulator_exit);
	363
	364	MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
	365	MODULE_DESCRIPTION("PCF50633 regulator driver");
	366	MODULE_LICENSE("GPL");
	367	MODULE_ALIAS("platform:pcf50633-regulator");