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

/* NXP PCF50633 Power Management Unit (PMU) driver
 *
 * (C) 2006-2008 by Openmoko, Inc.
 * Author: Harald Welte <laforge@openmoko.org>
 * 	   Balaji Rao <balajirrao@openmoko.org>
 * All rights reserved.
 *
 *  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/device.h>
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/pm.h>
#include <linux/slab.h>
#include <linux/regmap.h>
#include <linux/err.h>

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

/* Read a block of up to 32 regs  */
int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,
					int nr_regs, u8 *data)
{
	int ret;

	ret = regmap_raw_read(pcf->regmap, reg, data, nr_regs);
	if (ret != 0)
		return ret;

	return nr_regs;
}
EXPORT_SYMBOL_GPL(pcf50633_read_block);

/* Write a block of up to 32 regs  */
int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,
					int nr_regs, u8 *data)
{
	int ret;

	ret = regmap_raw_write(pcf->regmap, reg, data, nr_regs);
	if (ret != 0)
		return ret;

	return nr_regs;
}
EXPORT_SYMBOL_GPL(pcf50633_write_block);

u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)
{
	unsigned int val;
	int ret;

	ret = regmap_read(pcf->regmap, reg, &val);
	if (ret < 0)
		return -1;

	return val;
}
EXPORT_SYMBOL_GPL(pcf50633_reg_read);

int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val)
{
	return regmap_write(pcf->regmap, reg, val);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_write);

int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val)
{
	return regmap_update_bits(pcf->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_set_bit_mask);

int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
{
	return regmap_update_bits(pcf->regmap, reg, val, 0);
}
EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);

/* sysfs attributes */
static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
			    char *buf)
{
	struct pcf50633 *pcf = dev_get_drvdata(dev);
	u8 dump[16];
	int n, n1, idx = 0;
	char *buf1 = buf;
	static u8 address_no_read[] = { /* must be ascending */
		PCF50633_REG_INT1,
		PCF50633_REG_INT2,
		PCF50633_REG_INT3,
		PCF50633_REG_INT4,
		PCF50633_REG_INT5,
		0 /* terminator */
	};

	for (n = 0; n < 256; n += sizeof(dump)) {
		for (n1 = 0; n1 < sizeof(dump); n1++)
			if (n == address_no_read[idx]) {
				idx++;
				dump[n1] = 0x00;
			} else
				dump[n1] = pcf50633_reg_read(pcf, n + n1);

		hex_dump_to_buffer(dump, sizeof(dump), 16, 1, buf1, 128, 0);
		buf1 += strlen(buf1);
		*buf1++ = '\n';
		*buf1 = '\0';
	}

	return buf1 - buf;
}
static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);

static ssize_t show_resume_reason(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct pcf50633 *pcf = dev_get_drvdata(dev);
	int n;

	n = sprintf(buf, "%02x%02x%02x%02x%02x\n",
				pcf->resume_reason[0],
				pcf->resume_reason[1],
				pcf->resume_reason[2],
				pcf->resume_reason[3],
				pcf->resume_reason[4]);

	return n;
}
static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);

static struct attribute *pcf_sysfs_entries[] = {
	&dev_attr_dump_regs.attr,
	&dev_attr_resume_reason.attr,
	NULL,
};

static struct attribute_group pcf_attr_group = {
	.name	= NULL,			/* put in device directory */
	.attrs	= pcf_sysfs_entries,
};

static void
pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
						struct platform_device **pdev)
{
	int ret;

	*pdev = platform_device_alloc(name, -1);
	if (!*pdev) {
		dev_err(pcf->dev, "Falied to allocate %s\n", name);
		return;
	}

	(*pdev)->dev.parent = pcf->dev;

	ret = platform_device_add(*pdev);
	if (ret) {
		dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
		platform_device_put(*pdev);
		*pdev = NULL;
	}
}

#ifdef CONFIG_PM_SLEEP
static int pcf50633_suspend(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct pcf50633 *pcf = i2c_get_clientdata(client);

	return pcf50633_irq_suspend(pcf);
}

static int pcf50633_resume(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct pcf50633 *pcf = i2c_get_clientdata(client);

	return pcf50633_irq_resume(pcf);
}
#endif

static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);

static struct regmap_config pcf50633_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
};

static int __devinit pcf50633_probe(struct i2c_client *client,
				const struct i2c_device_id *ids)
{
	struct pcf50633 *pcf;
	struct pcf50633_platform_data *pdata = client->dev.platform_data;
	int i, ret;
	int version, variant;

	if (!client->irq) {
		dev_err(&client->dev, "Missing IRQ\n");
		return -ENOENT;
	}

	pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
	if (!pcf)
		return -ENOMEM;

	pcf->pdata = pdata;

	mutex_init(&pcf->lock);

	pcf->regmap = regmap_init_i2c(client, &pcf50633_regmap_config);
	if (IS_ERR(pcf->regmap)) {
		ret = PTR_ERR(pcf->regmap);
		dev_err(pcf->dev, "Failed to allocate register map: %d\n",
			ret);
		goto err_free;
	}

	i2c_set_clientdata(client, pcf);
	pcf->dev = &client->dev;

	version = pcf50633_reg_read(pcf, 0);
	variant = pcf50633_reg_read(pcf, 1);
	if (version < 0 || variant < 0) {
		dev_err(pcf->dev, "Unable to probe pcf50633\n");
		ret = -ENODEV;
		goto err_regmap;
	}

	dev_info(pcf->dev, "Probed device version %d variant %d\n",
							version, variant);

	pcf50633_irq_init(pcf, client->irq);

	/* Create sub devices */
	pcf50633_client_dev_register(pcf, "pcf50633-input",
						&pcf->input_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-rtc",
						&pcf->rtc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-mbc",
						&pcf->mbc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-adc",
						&pcf->adc_pdev);
	pcf50633_client_dev_register(pcf, "pcf50633-backlight",
						&pcf->bl_pdev);


	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
		struct platform_device *pdev;

		pdev = platform_device_alloc("pcf50633-regltr", i);
		if (!pdev) {
			dev_err(pcf->dev, "Cannot create regulator %d\n", i);
			continue;
		}

		pdev->dev.parent = pcf->dev;
		platform_device_add_data(pdev, &pdata->reg_init_data[i],
					sizeof(pdata->reg_init_data[i]));
		pcf->regulator_pdev[i] = pdev;

		platform_device_add(pdev);
	}

	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
	if (ret)
		dev_err(pcf->dev, "error creating sysfs entries\n");

	if (pdata->probe_done)
		pdata->probe_done(pcf);

	return 0;

err_regmap:
	regmap_exit(pcf->regmap);
err_free:
	kfree(pcf);

	return ret;
}

static int __devexit pcf50633_remove(struct i2c_client *client)
{
	struct pcf50633 *pcf = i2c_get_clientdata(client);
	int i;

	sysfs_remove_group(&client->dev.kobj, &pcf_attr_group);
	pcf50633_irq_free(pcf);

	platform_device_unregister(pcf->input_pdev);
	platform_device_unregister(pcf->rtc_pdev);
	platform_device_unregister(pcf->mbc_pdev);
	platform_device_unregister(pcf->adc_pdev);
	platform_device_unregister(pcf->bl_pdev);

	for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
		platform_device_unregister(pcf->regulator_pdev[i]);

	regmap_exit(pcf->regmap);
	kfree(pcf);

	return 0;
}

static const struct i2c_device_id pcf50633_id_table[] = {
	{"pcf50633", 0x73},
	{/* end of list */}
};
MODULE_DEVICE_TABLE(i2c, pcf50633_id_table);

static struct i2c_driver pcf50633_driver = {
	.driver = {
		.name	= "pcf50633",
		.pm	= &pcf50633_pm,
	},
	.id_table = pcf50633_id_table,
	.probe = pcf50633_probe,
	.remove = __devexit_p(pcf50633_remove),
};

static int __init pcf50633_init(void)
{
	return i2c_add_driver(&pcf50633_driver);
}

static void __exit pcf50633_exit(void)
{
	i2c_del_driver(&pcf50633_driver);
}

MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
MODULE_LICENSE("GPL");

subsys_initcall(pcf50633_init);
module_exit(pcf50633_exit);
Commit	Line	Data
f52046b1 BR	1	/* NXP PCF50633 Power Management Unit (PMU) driver
	2	*
	3	* (C) 2006-2008 by Openmoko, Inc.
	4	* Author: Harald Welte <laforge@openmoko.org>
	5	* Balaji Rao <balajirrao@openmoko.org>
	6	* All rights reserved.
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/device.h>
	17	#include <linux/sysfs.h>
f52046b1 BR	18	#include <linux/module.h>
	19	#include <linux/types.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/workqueue.h>
	22	#include <linux/platform_device.h>
	23	#include <linux/i2c.h>
939941d4	24	#include <linux/pm.h>
5a0e3ad6	25	#include <linux/slab.h>
6e3ad118 MB	26	#include <linux/regmap.h>
6e3ad118 MB	27	#include <linux/err.h>
f52046b1 BR	28
	29	#include <linux/mfd/pcf50633/core.h>
	30
25985edc	31	/* Read a block of up to 32 regs */
f52046b1 BR	32	int pcf50633_read_block(struct pcf50633 *pcf, u8 reg,
	33	int nr_regs, u8 *data)
	34	{
	35	int ret;
	36
6e3ad118 MB	37	ret = regmap_raw_read(pcf->regmap, reg, data, nr_regs);
	38	if (ret != 0)
	39	return ret;
f52046b1	40
6e3ad118	41	return nr_regs;
f52046b1 BR	42	}
	43	EXPORT_SYMBOL_GPL(pcf50633_read_block);
	44
25985edc	45	/* Write a block of up to 32 regs */
f52046b1 BR	46	int pcf50633_write_block(struct pcf50633 *pcf , u8 reg,
	47	int nr_regs, u8 *data)
	48	{
	49	int ret;
	50
6e3ad118 MB	51	ret = regmap_raw_write(pcf->regmap, reg, data, nr_regs);
	52	if (ret != 0)
	53	return ret;
f52046b1	54
6e3ad118	55	return nr_regs;
f52046b1 BR	56	}
	57	EXPORT_SYMBOL_GPL(pcf50633_write_block);
	58
	59	u8 pcf50633_reg_read(struct pcf50633 *pcf, u8 reg)
	60	{
6e3ad118 MB	61	unsigned int val;
6e3ad118 MB	62	int ret;
f52046b1	63
6e3ad118 MB	64	ret = regmap_read(pcf->regmap, reg, &val);
	65	if (ret < 0)
	66	return -1;
f52046b1 BR	67
	68	return val;
	69	}
	70	EXPORT_SYMBOL_GPL(pcf50633_reg_read);
	71
	72	int pcf50633_reg_write(struct pcf50633 *pcf, u8 reg, u8 val)
	73	{
6e3ad118	74	return regmap_write(pcf->regmap, reg, val);
f52046b1 BR	75	}
	76	EXPORT_SYMBOL_GPL(pcf50633_reg_write);
	77
	78	int pcf50633_reg_set_bit_mask(struct pcf50633 *pcf, u8 reg, u8 mask, u8 val)
	79	{
6e3ad118	80	return regmap_update_bits(pcf->regmap, reg, mask, val);
f52046b1 BR	81	}
	82	EXPORT_SYMBOL_GPL(pcf50633_reg_set_bit_mask);
	83
	84	int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
	85	{
6e3ad118	86	return regmap_update_bits(pcf->regmap, reg, val, 0);
f52046b1 BR	87	}
	88	EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);
	89
	90	/* sysfs attributes */
	91	static ssize_t show_dump_regs(struct device dev, struct device_attribute attr,
	92	char *buf)
	93	{
	94	struct pcf50633 *pcf = dev_get_drvdata(dev);
	95	u8 dump[16];
	96	int n, n1, idx = 0;
	97	char *buf1 = buf;
	98	static u8 address_no_read[] = { /* must be ascending */
	99	PCF50633_REG_INT1,
	100	PCF50633_REG_INT2,
	101	PCF50633_REG_INT3,
	102	PCF50633_REG_INT4,
	103	PCF50633_REG_INT5,
	104	0 /* terminator */
	105	};
	106
	107	for (n = 0; n < 256; n += sizeof(dump)) {
	108	for (n1 = 0; n1 < sizeof(dump); n1++)
	109	if (n == address_no_read[idx]) {
	110	idx++;
	111	dump[n1] = 0x00;
	112	} else
	113	dump[n1] = pcf50633_reg_read(pcf, n + n1);
	114
	115	hex_dump_to_buffer(dump, sizeof(dump), 16, 1, buf1, 128, 0);
	116	buf1 += strlen(buf1);
	117	*buf1++ = '\n';
	118	*buf1 = '\0';
	119	}
	120
	121	return buf1 - buf;
	122	}
	123	static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);
	124
	125	static ssize_t show_resume_reason(struct device *dev,
	126	struct device_attribute attr, char buf)
	127	{
	128	struct pcf50633 *pcf = dev_get_drvdata(dev);
	129	int n;
	130
	131	n = sprintf(buf, "%02x%02x%02x%02x%02x\n",
	132	pcf->resume_reason[0],
	133	pcf->resume_reason[1],
	134	pcf->resume_reason[2],
	135	pcf->resume_reason[3],
	136	pcf->resume_reason[4]);
	137
	138	return n;
	139	}
	140	static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);
	141
	142	static struct attribute *pcf_sysfs_entries[] = {
	143	&dev_attr_dump_regs.attr,
	144	&dev_attr_resume_reason.attr,
	145	NULL,
	146	};
	147
	148	static struct attribute_group pcf_attr_group = {
	149	.name = NULL, /* put in device directory */
	150	.attrs = pcf_sysfs_entries,
151	};
152
f52046b1 BR	153	static void
	154	pcf50633_client_dev_register(struct pcf50633 pcf, const char name,
	155	struct platform_device **pdev)
	156	{
f52046b1 BR	157	int ret;
	158
	159	*pdev = platform_device_alloc(name, -1);
	160	if (!*pdev) {
	161	dev_err(pcf->dev, "Falied to allocate %s\n", name);
	162	return;
	163	}
	164
f52046b1 BR	165	(*pdev)->dev.parent = pcf->dev;
	166
	167	ret = platform_device_add(*pdev);
	168	if (ret) {
	169	dev_err(pcf->dev, "Failed to register %s: %d\n", name, ret);
	170	platform_device_put(*pdev);
	171	*pdev = NULL;
	172	}
	173	}
	174
939941d4 MB	175	#ifdef CONFIG_PM_SLEEP
939941d4 MB	176	static int pcf50633_suspend(struct device *dev)
f52046b1	177	{
939941d4 MB	178	struct i2c_client *client = to_i2c_client(dev);
939941d4 MB	179	struct pcf50633 *pcf = i2c_get_clientdata(client);
f52046b1	180
380c09f6	181	return pcf50633_irq_suspend(pcf);
f52046b1 BR	182	}
f52046b1 BR	183
939941d4	184	static int pcf50633_resume(struct device *dev)
f52046b1	185	{
939941d4 MB	186	struct i2c_client *client = to_i2c_client(dev);
939941d4 MB	187	struct pcf50633 *pcf = i2c_get_clientdata(client);
f52046b1	188
380c09f6	189	return pcf50633_irq_resume(pcf);
f52046b1	190	}
f52046b1 BR	191	#endif
f52046b1 BR	192
939941d4 MB	193	static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);
939941d4 MB	194
6e3ad118 MB	195	static struct regmap_config pcf50633_regmap_config = {
	196	.reg_bits = 8,
	197	.val_bits = 8,
	198	};
	199
f52046b1 BR	200	static int __devinit pcf50633_probe(struct i2c_client *client,
	201	const struct i2c_device_id *ids)
	202	{
	203	struct pcf50633 *pcf;
	204	struct pcf50633_platform_data *pdata = client->dev.platform_data;
24213ae1	205	int i, ret;
f52046b1 BR	206	int version, variant;
f52046b1 BR	207
24213ae1 LPC	208	if (!client->irq) {
	209	dev_err(&client->dev, "Missing IRQ\n");
	210	return -ENOENT;
	211	}
	212
f52046b1 BR	213	pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
	214	if (!pcf)
	215	return -ENOMEM;
	216
	217	pcf->pdata = pdata;
	218
	219	mutex_init(&pcf->lock);
	220
6e3ad118 MB	221	pcf->regmap = regmap_init_i2c(client, &pcf50633_regmap_config);
	222	if (IS_ERR(pcf->regmap)) {
	223	ret = PTR_ERR(pcf->regmap);
	224	dev_err(pcf->dev, "Failed to allocate register map: %d\n",
	225	ret);
	226	goto err_free;
	227	}
	228
f52046b1 BR	229	i2c_set_clientdata(client, pcf);
f52046b1 BR	230	pcf->dev = &client->dev;
f52046b1 BR	231
	232	version = pcf50633_reg_read(pcf, 0);
	233	variant = pcf50633_reg_read(pcf, 1);
	234	if (version < 0 \|\| variant < 0) {
	235	dev_err(pcf->dev, "Unable to probe pcf50633\n");
	236	ret = -ENODEV;
6e3ad118	237	goto err_regmap;
f52046b1 BR	238	}
	239
	240	dev_info(pcf->dev, "Probed device version %d variant %d\n",
	241	version, variant);
	242
380c09f6	243	pcf50633_irq_init(pcf, client->irq);
24213ae1	244
f52046b1 BR	245	/* Create sub devices */
	246	pcf50633_client_dev_register(pcf, "pcf50633-input",
	247	&pcf->input_pdev);
	248	pcf50633_client_dev_register(pcf, "pcf50633-rtc",
	249	&pcf->rtc_pdev);
	250	pcf50633_client_dev_register(pcf, "pcf50633-mbc",
	251	&pcf->mbc_pdev);
	252	pcf50633_client_dev_register(pcf, "pcf50633-adc",
	253	&pcf->adc_pdev);
f5bf403a LPC	254	pcf50633_client_dev_register(pcf, "pcf50633-backlight",
	255	&pcf->bl_pdev);
	256
f52046b1 BR	257
	258	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
	259	struct platform_device *pdev;
	260
	261	pdev = platform_device_alloc("pcf50633-regltr", i);
	262	if (!pdev) {
24213ae1	263	dev_err(pcf->dev, "Cannot create regulator %d\n", i);
f52046b1 BR	264	continue;
	265	}
	266
	267	pdev->dev.parent = pcf->dev;
bbb2e496 LPC	268	platform_device_add_data(pdev, &pdata->reg_init_data[i],
bbb2e496 LPC	269	sizeof(pdata->reg_init_data[i]));
f52046b1 BR	270	pcf->regulator_pdev[i] = pdev;
	271
	272	platform_device_add(pdev);
	273	}
	274
f52046b1 BR	275	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
	276	if (ret)
	277	dev_err(pcf->dev, "error creating sysfs entries\n");
	278
	279	if (pdata->probe_done)
	280	pdata->probe_done(pcf);
	281
	282	return 0;
	283
6e3ad118 MB	284	err_regmap:
6e3ad118 MB	285	regmap_exit(pcf->regmap);
24213ae1	286	err_free:
f52046b1	287	kfree(pcf);
24213ae1	288
f52046b1 BR	289	return ret;
	290	}
	291
	292	static int __devexit pcf50633_remove(struct i2c_client *client)
	293	{
	294	struct pcf50633 *pcf = i2c_get_clientdata(client);
	295	int i;
	296
8220fe4c	297	sysfs_remove_group(&client->dev.kobj, &pcf_attr_group);
380c09f6	298	pcf50633_irq_free(pcf);
f52046b1 BR	299
	300	platform_device_unregister(pcf->input_pdev);
	301	platform_device_unregister(pcf->rtc_pdev);
	302	platform_device_unregister(pcf->mbc_pdev);
	303	platform_device_unregister(pcf->adc_pdev);
8220fe4c	304	platform_device_unregister(pcf->bl_pdev);
f52046b1 BR	305
	306	for (i = 0; i < PCF50633_NUM_REGULATORS; i++)
	307	platform_device_unregister(pcf->regulator_pdev[i]);
	308
6e3ad118	309	regmap_exit(pcf->regmap);
f52046b1 BR	310	kfree(pcf);
	311
	312	return 0;
	313	}
	314
1206552b	315	static const struct i2c_device_id pcf50633_id_table[] = {
f52046b1	316	{"pcf50633", 0x73},
8915e540	317	{/* end of list */}
f52046b1	318	};
7679089d	319	MODULE_DEVICE_TABLE(i2c, pcf50633_id_table);
f52046b1 BR	320
	321	static struct i2c_driver pcf50633_driver = {
	322	.driver = {
	323	.name = "pcf50633",
939941d4	324	.pm = &pcf50633_pm,
f52046b1 BR	325	},
	326	.id_table = pcf50633_id_table,
	327	.probe = pcf50633_probe,
	328	.remove = __devexit_p(pcf50633_remove),
	329	};
	330
	331	static int __init pcf50633_init(void)
	332	{
	333	return i2c_add_driver(&pcf50633_driver);
	334	}
	335
	336	static void __exit pcf50633_exit(void)
	337	{
	338	i2c_del_driver(&pcf50633_driver);
	339	}
	340
	341	MODULE_DESCRIPTION("I2C chip driver for NXP PCF50633 PMU");
	342	MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
	343	MODULE_LICENSE("GPL");
	344
2021de87	345	subsys_initcall(pcf50633_init);
f52046b1	346	module_exit(pcf50633_exit);