[net-next-2.6.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)
{
	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:
		volt_bits = ldo_voltage_bits(millivolts);
		break;
	default:
		return -EINVAL;
	}

	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:
		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;
	case PCF50633_REGULATOR_HCLDO:
		index += 0x01;
		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, 80),
	[PCF50633_REGULATOR_DOWN1] =
		PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
	[PCF50633_REGULATOR_DOWN2] =
		PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
	[PCF50633_REGULATOR_LDO1] =
		PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
	[PCF50633_REGULATOR_LDO2] =
		PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
	[PCF50633_REGULATOR_LDO3] =
		PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
	[PCF50633_REGULATOR_LDO4] =
		PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
	[PCF50633_REGULATOR_LDO5] =
		PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
	[PCF50633_REGULATOR_LDO6] =
		PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
	[PCF50633_REGULATOR_HCLDO] =
		PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
	[PCF50633_REGULATOR_MEMLDO] =
		PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 0),
};

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);
	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,
111	int min_uV, int max_uV)
112	{
113	struct pcf50633 *pcf;
114	int regulator_id, millivolts;
115	u8 volt_bits, regnr;
116
117	pcf = rdev_get_drvdata(rdev);
118
119	regulator_id = rdev_get_id(rdev);
120	if (regulator_id >= PCF50633_NUM_REGULATORS)
121	return -EINVAL;
122
123	millivolts = min_uV / 1000;
124
125	regnr = pcf50633_regulator_registers[regulator_id];
126
127	switch (regulator_id) {
128	case PCF50633_REGULATOR_AUTO:
129	volt_bits = auto_voltage_bits(millivolts);
130	break;
131	case PCF50633_REGULATOR_DOWN1:
132	volt_bits = down_voltage_bits(millivolts);
133	break;
134	case PCF50633_REGULATOR_DOWN2:
135	volt_bits = down_voltage_bits(millivolts);
136	break;
137	case PCF50633_REGULATOR_LDO1:
138	case PCF50633_REGULATOR_LDO2:
139	case PCF50633_REGULATOR_LDO3:
140	case PCF50633_REGULATOR_LDO4:
141	case PCF50633_REGULATOR_LDO5:
142	case PCF50633_REGULATOR_LDO6:
143	case PCF50633_REGULATOR_HCLDO:
144	volt_bits = ldo_voltage_bits(millivolts);
145	break;
146	default:
147	return -EINVAL;
148	}
149
150	return pcf50633_reg_write(pcf, regnr, volt_bits);
151	}
152
a6576cff LPC	153	static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
	154	u8 bits)
	155	{
	156	int millivolts;
	157
	158	switch (id) {
	159	case PCF50633_REGULATOR_AUTO:
	160	millivolts = auto_voltage_value(bits);
	161	break;
	162	case PCF50633_REGULATOR_DOWN1:
	163	millivolts = down_voltage_value(bits);
	164	break;
	165	case PCF50633_REGULATOR_DOWN2:
	166	millivolts = down_voltage_value(bits);
	167	break;
	168	case PCF50633_REGULATOR_LDO1:
	169	case PCF50633_REGULATOR_LDO2:
	170	case PCF50633_REGULATOR_LDO3:
	171	case PCF50633_REGULATOR_LDO4:
	172	case PCF50633_REGULATOR_LDO5:
	173	case PCF50633_REGULATOR_LDO6:
	174	case PCF50633_REGULATOR_HCLDO:
	175	millivolts = ldo_voltage_value(bits);
	176	break;
	177	default:
	178	return -EINVAL;
	179	}
	180
	181	return millivolts * 1000;
	182	}
	183
5ec271e7 BR	184	static int pcf50633_regulator_get_voltage(struct regulator_dev *rdev)
	185	{
	186	struct pcf50633 *pcf;
a6576cff LPC	187	int regulator_id;
a6576cff LPC	188	u8 volt_bits, regnr;
5ec271e7	189
561864e8	190	pcf = rdev_get_drvdata(rdev);
5ec271e7 BR	191
	192	regulator_id = rdev_get_id(rdev);
	193	if (regulator_id >= PCF50633_NUM_REGULATORS)
	194	return -EINVAL;
	195
	196	regnr = pcf50633_regulator_registers[regulator_id];
	197
	198	volt_bits = pcf50633_reg_read(pcf, regnr);
a6576cff LPC	199
	200	return pcf50633_regulator_voltage_value(regulator_id, volt_bits);
	201	}
	202
	203	static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
	204	unsigned int index)
	205	{
	206	struct pcf50633 *pcf;
	207	int regulator_id;
	208
	209	pcf = rdev_get_drvdata(rdev);
	210
	211	regulator_id = rdev_get_id(rdev);
5ec271e7 BR	212
	213	switch (regulator_id) {
	214	case PCF50633_REGULATOR_AUTO:
a6576cff	215	index += 0x2f;
5ec271e7	216	break;
5ec271e7	217	case PCF50633_REGULATOR_HCLDO:
a6576cff	218	index += 0x01;
5ec271e7 BR	219	break;
5ec271e7 BR	220	default:
a6576cff	221	break;
5ec271e7 BR	222	}
5ec271e7 BR	223
a6576cff	224	return pcf50633_regulator_voltage_value(regulator_id, index);
5ec271e7 BR	225	}
	226
	227	static int pcf50633_regulator_enable(struct regulator_dev *rdev)
	228	{
	229	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	230	int regulator_id;
	231	u8 regnr;
	232
	233	regulator_id = rdev_get_id(rdev);
	234	if (regulator_id >= PCF50633_NUM_REGULATORS)
	235	return -EINVAL;
	236
	237	/* The ENA register is always one after the OUT register */
	238	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	239
	240	return pcf50633_reg_set_bit_mask(pcf, regnr, PCF50633_REGULATOR_ON,
	241	PCF50633_REGULATOR_ON);
	242	}
	243
	244	static int pcf50633_regulator_disable(struct regulator_dev *rdev)
	245	{
	246	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	247	int regulator_id;
	248	u8 regnr;
	249
	250	regulator_id = rdev_get_id(rdev);
	251	if (regulator_id >= PCF50633_NUM_REGULATORS)
	252	return -EINVAL;
	253
	254	/* the ENA register is always one after the OUT register */
	255	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	256
	257	return pcf50633_reg_set_bit_mask(pcf, regnr,
	258	PCF50633_REGULATOR_ON, 0);
	259	}
	260
	261	static int pcf50633_regulator_is_enabled(struct regulator_dev *rdev)
	262	{
	263	struct pcf50633 *pcf = rdev_get_drvdata(rdev);
	264	int regulator_id = rdev_get_id(rdev);
	265	u8 regnr;
	266
	267	regulator_id = rdev_get_id(rdev);
	268	if (regulator_id >= PCF50633_NUM_REGULATORS)
	269	return -EINVAL;
	270
	271	/* the ENA register is always one after the OUT register */
	272	regnr = pcf50633_regulator_registers[regulator_id] + 1;
	273
	274	return pcf50633_reg_read(pcf, regnr) & PCF50633_REGULATOR_ON;
	275	}
	276
	277	static struct regulator_ops pcf50633_regulator_ops = {
	278	.set_voltage = pcf50633_regulator_set_voltage,
	279	.get_voltage = pcf50633_regulator_get_voltage,
a6576cff	280	.list_voltage = pcf50633_regulator_list_voltage,
5ec271e7 BR	281	.enable = pcf50633_regulator_enable,
	282	.disable = pcf50633_regulator_disable,
	283	.is_enabled = pcf50633_regulator_is_enabled,
	284	};
	285
	286	static struct regulator_desc regulators[] = {
	287	[PCF50633_REGULATOR_AUTO] =
a6576cff	288	PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
5ec271e7	289	[PCF50633_REGULATOR_DOWN1] =
a6576cff	290	PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
5ec271e7	291	[PCF50633_REGULATOR_DOWN2] =
a6576cff	292	PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
5ec271e7	293	[PCF50633_REGULATOR_LDO1] =
a6576cff	294	PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
5ec271e7	295	[PCF50633_REGULATOR_LDO2] =
a6576cff	296	PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
5ec271e7	297	[PCF50633_REGULATOR_LDO3] =
a6576cff	298	PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
5ec271e7	299	[PCF50633_REGULATOR_LDO4] =
a6576cff	300	PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
5ec271e7	301	[PCF50633_REGULATOR_LDO5] =
a6576cff	302	PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
5ec271e7	303	[PCF50633_REGULATOR_LDO6] =
a6576cff	304	PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
5ec271e7	305	[PCF50633_REGULATOR_HCLDO] =
a6576cff	306	PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
5ec271e7	307	[PCF50633_REGULATOR_MEMLDO] =
a6576cff	308	PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 0),
5ec271e7 BR	309	};
	310
	311	static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
	312	{
	313	struct regulator_dev *rdev;
	314	struct pcf50633 *pcf;
	315
	316	/* Already set by core driver */
98c2e490	317	pcf = dev_to_pcf50633(pdev->dev.parent);
5ec271e7	318
0527100f MB	319	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
0527100f MB	320	pdev->dev.platform_data, pcf);
5ec271e7 BR	321	if (IS_ERR(rdev))
	322	return PTR_ERR(rdev);
	323
98c2e490 LPC	324	platform_set_drvdata(pdev, rdev);
98c2e490 LPC	325
5ec271e7 BR	326	if (pcf->pdata->regulator_registered)
	327	pcf->pdata->regulator_registered(pcf, pdev->id);
	328
	329	return 0;
	330	}
	331
	332	static int __devexit pcf50633_regulator_remove(struct platform_device *pdev)
	333	{
	334	struct regulator_dev *rdev = platform_get_drvdata(pdev);
	335
98c2e490	336	platform_set_drvdata(pdev, NULL);
5ec271e7 BR	337	regulator_unregister(rdev);
	338
	339	return 0;
	340	}
	341
	342	static struct platform_driver pcf50633_regulator_driver = {
	343	.driver = {
	344	.name = "pcf50633-regltr",
	345	},
	346	.probe = pcf50633_regulator_probe,
	347	.remove = __devexit_p(pcf50633_regulator_remove),
	348	};
	349
	350	static int __init pcf50633_regulator_init(void)
	351	{
	352	return platform_driver_register(&pcf50633_regulator_driver);
	353	}
5a1b22be	354	subsys_initcall(pcf50633_regulator_init);
5ec271e7 BR	355
	356	static void __exit pcf50633_regulator_exit(void)
	357	{
	358	platform_driver_unregister(&pcf50633_regulator_driver);
	359	}
	360	module_exit(pcf50633_regulator_exit);
	361
	362	MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
	363	MODULE_DESCRIPTION("PCF50633 regulator driver");
	364	MODULE_LICENSE("GPL");
	365	MODULE_ALIAS("platform:pcf50633-regulator");