[deliverable/linux.git] / drivers / mfd / sec-core.c

/*
 * sec-core.c
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd
 *              http://www.samsung.com
 *
 *  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/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/rtc.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/regmap.h>

static struct mfd_cell s5m8751_devs[] = {
	{
		.name = "s5m8751-pmic",
	}, {
		.name = "s5m-charger",
	}, {
		.name = "s5m8751-codec",
	},
};

static struct mfd_cell s5m8763_devs[] = {
	{
		.name = "s5m8763-pmic",
	}, {
		.name = "s5m-rtc",
	}, {
		.name = "s5m-charger",
	},
};

static struct mfd_cell s5m8767_devs[] = {
	{
		.name = "s5m8767-pmic",
	}, {
		.name = "s5m-rtc",
	},
};

static struct mfd_cell s2mps11_devs[] = {
	{
		.name = "s2mps11-pmic",
	}, {
		.name = "s2mps11-clk",
	}
};

#ifdef CONFIG_OF
static struct of_device_id sec_dt_match[] = {
	{	.compatible = "samsung,s5m8767-pmic",
		.data = (void *)S5M8767X,
	},
	{	.compatible = "samsung,s2mps11-pmic",
		.data = (void *)S2MPS11X,
	},
	{},
};
#endif

int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest)
{
	return regmap_read(sec_pmic->regmap, reg, dest);
}
EXPORT_SYMBOL_GPL(sec_reg_read);

int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
{
	return regmap_bulk_read(sec_pmic->regmap, reg, buf, count);
}
EXPORT_SYMBOL_GPL(sec_bulk_read);

int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value)
{
	return regmap_write(sec_pmic->regmap, reg, value);
}
EXPORT_SYMBOL_GPL(sec_reg_write);

int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf)
{
	return regmap_raw_write(sec_pmic->regmap, reg, buf, count);
}
EXPORT_SYMBOL_GPL(sec_bulk_write);

int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask)
{
	return regmap_update_bits(sec_pmic->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(sec_reg_update);

static bool s2mps11_volatile(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case S2MPS11_REG_INT1M:
	case S2MPS11_REG_INT2M:
	case S2MPS11_REG_INT3M:
		return false;
	default:
		return true;
	}
}

static bool s5m8763_volatile(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case S5M8763_REG_IRQM1:
	case S5M8763_REG_IRQM2:
	case S5M8763_REG_IRQM3:
	case S5M8763_REG_IRQM4:
		return false;
	default:
		return true;
	}
}

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

static struct regmap_config s2mps11_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = S2MPS11_REG_L38CTRL,
	.volatile_reg = s2mps11_volatile,
	.cache_type = REGCACHE_FLAT,
};

static struct regmap_config s5m8763_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = S5M8763_REG_LBCNFG2,
	.volatile_reg = s5m8763_volatile,
	.cache_type = REGCACHE_FLAT,
};

static struct regmap_config s5m8767_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = S5M8767_REG_LDO28CTRL,
	.volatile_reg = s2mps11_volatile,
	.cache_type = REGCACHE_FLAT,
};

#ifdef CONFIG_OF
/*
 * Only the common platform data elements for s5m8767 are parsed here from the
 * device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and
 * others have to parse their own platform data elements from device tree.
 *
 * The s5m8767 platform data structure is instantiated here and the drivers for
 * the sub-modules need not instantiate another instance while parsing their
 * platform data.
 */
static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
					struct device *dev)
{
	struct sec_platform_data *pd;

	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
	if (!pd) {
		dev_err(dev, "could not allocate memory for pdata\n");
		return ERR_PTR(-ENOMEM);
	}

	/*
	 * ToDo: the 'wakeup' member in the platform data is more of a linux
	 * specfic information. Hence, there is no binding for that yet and
	 * not parsed here.
	 */

	return pd;
}
#else
static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
					struct device *dev)
{
	return 0;
}
#endif

static inline int sec_i2c_get_driver_data(struct i2c_client *i2c,
						const struct i2c_device_id *id)
{
#ifdef CONFIG_OF
	if (i2c->dev.of_node) {
		const struct of_device_id *match;
		match = of_match_node(sec_dt_match, i2c->dev.of_node);
		return (int)match->data;
	}
#endif
	return (int)id->driver_data;
}

static int sec_pmic_probe(struct i2c_client *i2c,
			    const struct i2c_device_id *id)
{
	struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
	const struct regmap_config *regmap;
	struct sec_pmic_dev *sec_pmic;
	int ret;

	sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
				GFP_KERNEL);
	if (sec_pmic == NULL)
		return -ENOMEM;

	i2c_set_clientdata(i2c, sec_pmic);
	sec_pmic->dev = &i2c->dev;
	sec_pmic->i2c = i2c;
	sec_pmic->irq = i2c->irq;
	sec_pmic->type = sec_i2c_get_driver_data(i2c, id);

	if (sec_pmic->dev->of_node) {
		pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
		if (IS_ERR(pdata)) {
			ret = PTR_ERR(pdata);
			return ret;
		}
		pdata->device_type = sec_pmic->type;
	}
	if (pdata) {
		sec_pmic->device_type = pdata->device_type;
		sec_pmic->ono = pdata->ono;
		sec_pmic->irq_base = pdata->irq_base;
		sec_pmic->wakeup = pdata->wakeup;
		sec_pmic->pdata = pdata;
	}

	switch (sec_pmic->device_type) {
	case S2MPS11X:
		regmap = &s2mps11_regmap_config;
		break;
	case S5M8763X:
		regmap = &s5m8763_regmap_config;
		break;
	case S5M8767X:
		regmap = &s5m8767_regmap_config;
		break;
	default:
		regmap = &sec_regmap_config;
		break;
	}

	sec_pmic->regmap = devm_regmap_init_i2c(i2c, regmap);
	if (IS_ERR(sec_pmic->regmap)) {
		ret = PTR_ERR(sec_pmic->regmap);
		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
			ret);
		return ret;
	}

	sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
	i2c_set_clientdata(sec_pmic->rtc, sec_pmic);

	if (pdata && pdata->cfg_pmic_irq)
		pdata->cfg_pmic_irq();

	sec_irq_init(sec_pmic);

	pm_runtime_set_active(sec_pmic->dev);

	switch (sec_pmic->device_type) {
	case S5M8751X:
		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
				      ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
		break;
	case S5M8763X:
		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
				      ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
		break;
	case S5M8767X:
		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
				      ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
		break;
	case S2MPS11X:
		ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
				      ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
		break;
	default:
		/* If this happens the probe function is problem */
		BUG();
	}

	if (ret)
		goto err;

	return ret;

err:
	sec_irq_exit(sec_pmic);
	i2c_unregister_device(sec_pmic->rtc);
	return ret;
}

static int sec_pmic_remove(struct i2c_client *i2c)
{
	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);

	mfd_remove_devices(sec_pmic->dev);
	sec_irq_exit(sec_pmic);
	i2c_unregister_device(sec_pmic->rtc);
	return 0;
}

static const struct i2c_device_id sec_pmic_id[] = {
	{ "sec_pmic", 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, sec_pmic_id);

static struct i2c_driver sec_pmic_driver = {
	.driver = {
		   .name = "sec_pmic",
		   .owner = THIS_MODULE,
		   .of_match_table = of_match_ptr(sec_dt_match),
	},
	.probe = sec_pmic_probe,
	.remove = sec_pmic_remove,
	.id_table = sec_pmic_id,
};

static int __init sec_pmic_init(void)
{
	return i2c_add_driver(&sec_pmic_driver);
}

subsys_initcall(sec_pmic_init);

static void __exit sec_pmic_exit(void)
{
	i2c_del_driver(&sec_pmic_driver);
}
module_exit(sec_pmic_exit);

MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
MODULE_DESCRIPTION("Core support for the S5M MFD");
MODULE_LICENSE("GPL");
Commit	Line	Data
0f5f7078	1	/*
63063bfb	2	* sec-core.c
0f5f7078	3	*
63063bfb	4	* Copyright (c) 2012 Samsung Electronics Co., Ltd
0f5f7078 SK	5	* http://www.samsung.com
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2 of the License, or (at your
	10	* option) any later version.
	11	*
	12	*/
	13
	14	#include <linux/module.h>
	15	#include <linux/moduleparam.h>
	16	#include <linux/init.h>
	17	#include <linux/err.h>
	18	#include <linux/slab.h>
	19	#include <linux/i2c.h>
1c5a099b	20	#include <linux/of.h>
26aec009	21	#include <linux/of_irq.h>
0f5f7078 SK	22	#include <linux/interrupt.h>
	23	#include <linux/pm_runtime.h>
	24	#include <linux/mutex.h>
	25	#include <linux/mfd/core.h>
54227bcf SK	26	#include <linux/mfd/samsung/core.h>
	27	#include <linux/mfd/samsung/irq.h>
	28	#include <linux/mfd/samsung/rtc.h>
25f311fa MB	29	#include <linux/mfd/samsung/s2mps11.h>
	30	#include <linux/mfd/samsung/s5m8763.h>
	31	#include <linux/mfd/samsung/s5m8767.h>
0f5f7078 SK	32	#include <linux/regmap.h>
0f5f7078 SK	33
88a1cfd6 SK	34	static struct mfd_cell s5m8751_devs[] = {
	35	{
	36	.name = "s5m8751-pmic",
	37	}, {
	38	.name = "s5m-charger",
	39	}, {
	40	.name = "s5m8751-codec",
	41	},
	42	};
	43
	44	static struct mfd_cell s5m8763_devs[] = {
	45	{
	46	.name = "s5m8763-pmic",
	47	}, {
	48	.name = "s5m-rtc",
	49	}, {
	50	.name = "s5m-charger",
	51	},
	52	};
	53
	54	static struct mfd_cell s5m8767_devs[] = {
0f5f7078 SK	55	{
	56	.name = "s5m8767-pmic",
	57	}, {
	58	.name = "s5m-rtc",
	59	},
	60	};
	61
9b6d1343 SK	62	static struct mfd_cell s2mps11_devs[] = {
	63	{
	64	.name = "s2mps11-pmic",
3134bcae YSB	65	}, {
	66	.name = "s2mps11-clk",
	67	}
9b6d1343 SK	68	};
9b6d1343 SK	69
26aec009 ADK	70	#ifdef CONFIG_OF
	71	static struct of_device_id sec_dt_match[] = {
	72	{ .compatible = "samsung,s5m8767-pmic",
	73	.data = (void *)S5M8767X,
	74	},
aa32acad YSB	75	{ .compatible = "samsung,s2mps11-pmic",
	76	.data = (void *)S2MPS11X,
	77	},
26aec009 ADK	78	{},
	79	};
	80	#endif
	81
63063bfb	82	int sec_reg_read(struct sec_pmic_dev sec_pmic, u8 reg, void dest)
0f5f7078	83	{
63063bfb	84	return regmap_read(sec_pmic->regmap, reg, dest);
0f5f7078	85	}
63063bfb	86	EXPORT_SYMBOL_GPL(sec_reg_read);
0f5f7078	87
63063bfb	88	int sec_bulk_read(struct sec_pmic_dev sec_pmic, u8 reg, int count, u8 buf)
0f5f7078	89	{
63063bfb	90	return regmap_bulk_read(sec_pmic->regmap, reg, buf, count);
0f5f7078	91	}
63063bfb	92	EXPORT_SYMBOL_GPL(sec_bulk_read);
0f5f7078	93
63063bfb	94	int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value)
0f5f7078	95	{
63063bfb	96	return regmap_write(sec_pmic->regmap, reg, value);
0f5f7078	97	}
63063bfb	98	EXPORT_SYMBOL_GPL(sec_reg_write);
0f5f7078	99
63063bfb	100	int sec_bulk_write(struct sec_pmic_dev sec_pmic, u8 reg, int count, u8 buf)
0f5f7078	101	{
63063bfb	102	return regmap_raw_write(sec_pmic->regmap, reg, buf, count);
0f5f7078	103	}
63063bfb	104	EXPORT_SYMBOL_GPL(sec_bulk_write);
0f5f7078	105
63063bfb	106	int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask)
0f5f7078	107	{
63063bfb	108	return regmap_update_bits(sec_pmic->regmap, reg, mask, val);
0f5f7078	109	}
63063bfb	110	EXPORT_SYMBOL_GPL(sec_reg_update);
0f5f7078	111
6b845ba9 MB	112	static bool s2mps11_volatile(struct device *dev, unsigned int reg)
	113	{
	114	switch (reg) {
	115	case S2MPS11_REG_INT1M:
	116	case S2MPS11_REG_INT2M:
	117	case S2MPS11_REG_INT3M:
	118	return false;
	119	default:
	120	return true;
	121	}
	122	}
	123
	124	static bool s5m8763_volatile(struct device *dev, unsigned int reg)
	125	{
	126	switch (reg) {
	127	case S5M8763_REG_IRQM1:
	128	case S5M8763_REG_IRQM2:
	129	case S5M8763_REG_IRQM3:
	130	case S5M8763_REG_IRQM4:
	131	return false;
	132	default:
	133	return true;
	134	}
	135	}
	136
63063bfb	137	static struct regmap_config sec_regmap_config = {
0f5f7078 SK	138	.reg_bits = 8,
	139	.val_bits = 8,
	140	};
	141
25f311fa MB	142	static struct regmap_config s2mps11_regmap_config = {
	143	.reg_bits = 8,
	144	.val_bits = 8,
	145
	146	.max_register = S2MPS11_REG_L38CTRL,
6b845ba9 MB	147	.volatile_reg = s2mps11_volatile,
6b845ba9 MB	148	.cache_type = REGCACHE_FLAT,
25f311fa MB	149	};
	150
	151	static struct regmap_config s5m8763_regmap_config = {
	152	.reg_bits = 8,
	153	.val_bits = 8,
	154
	155	.max_register = S5M8763_REG_LBCNFG2,
6b845ba9 MB	156	.volatile_reg = s5m8763_volatile,
6b845ba9 MB	157	.cache_type = REGCACHE_FLAT,
25f311fa MB	158	};
	159
	160	static struct regmap_config s5m8767_regmap_config = {
	161	.reg_bits = 8,
	162	.val_bits = 8,
	163
	164	.max_register = S5M8767_REG_LDO28CTRL,
6b845ba9 MB	165	.volatile_reg = s2mps11_volatile,
6b845ba9 MB	166	.cache_type = REGCACHE_FLAT,
25f311fa	167	};
26aec009 ADK	168
	169	#ifdef CONFIG_OF
	170	/*
	171	* Only the common platform data elements for s5m8767 are parsed here from the
	172	* device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and
	173	* others have to parse their own platform data elements from device tree.
	174	*
	175	* The s5m8767 platform data structure is instantiated here and the drivers for
	176	* the sub-modules need not instantiate another instance while parsing their
	177	* platform data.
	178	*/
	179	static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
	180	struct device *dev)
	181	{
	182	struct sec_platform_data *pd;
	183
	184	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
	185	if (!pd) {
	186	dev_err(dev, "could not allocate memory for pdata\n");
	187	return ERR_PTR(-ENOMEM);
	188	}
	189
	190	/*
	191	* ToDo: the 'wakeup' member in the platform data is more of a linux
	192	* specfic information. Hence, there is no binding for that yet and
	193	* not parsed here.
	194	*/
	195
	196	return pd;
	197	}
	198	#else
197bf856	199	static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
26aec009 ADK	200	struct device *dev)
	201	{
	202	return 0;
	203	}
	204	#endif
	205
	206	static inline int sec_i2c_get_driver_data(struct i2c_client *i2c,
	207	const struct i2c_device_id *id)
	208	{
	209	#ifdef CONFIG_OF
	210	if (i2c->dev.of_node) {
	211	const struct of_device_id *match;
	212	match = of_match_node(sec_dt_match, i2c->dev.of_node);
	213	return (int)match->data;
	214	}
	215	#endif
	216	return (int)id->driver_data;
	217	}
	218
63063bfb	219	static int sec_pmic_probe(struct i2c_client *i2c,
0f5f7078 SK	220	const struct i2c_device_id *id)
0f5f7078 SK	221	{
334a41ce	222	struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
25f311fa	223	const struct regmap_config *regmap;
63063bfb	224	struct sec_pmic_dev *sec_pmic;
61a2af30	225	int ret;
0f5f7078	226
63063bfb	227	sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
621210e2	228	GFP_KERNEL);
63063bfb	229	if (sec_pmic == NULL)
0f5f7078 SK	230	return -ENOMEM;
0f5f7078 SK	231
63063bfb SK	232	i2c_set_clientdata(i2c, sec_pmic);
	233	sec_pmic->dev = &i2c->dev;
	234	sec_pmic->i2c = i2c;
	235	sec_pmic->irq = i2c->irq;
26aec009 ADK	236	sec_pmic->type = sec_i2c_get_driver_data(i2c, id);
	237
	238	if (sec_pmic->dev->of_node) {
	239	pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
	240	if (IS_ERR(pdata)) {
	241	ret = PTR_ERR(pdata);
	242	return ret;
	243	}
	244	pdata->device_type = sec_pmic->type;
	245	}
0f5f7078	246	if (pdata) {
63063bfb SK	247	sec_pmic->device_type = pdata->device_type;
	248	sec_pmic->ono = pdata->ono;
	249	sec_pmic->irq_base = pdata->irq_base;
	250	sec_pmic->wakeup = pdata->wakeup;
26aec009	251	sec_pmic->pdata = pdata;
0f5f7078 SK	252	}
0f5f7078 SK	253
25f311fa MB	254	switch (sec_pmic->device_type) {
	255	case S2MPS11X:
	256	regmap = &s2mps11_regmap_config;
	257	break;
	258	case S5M8763X:
	259	regmap = &s5m8763_regmap_config;
	260	break;
	261	case S5M8767X:
	262	regmap = &s5m8767_regmap_config;
	263	break;
	264	default:
	265	regmap = &sec_regmap_config;
	266	break;
	267	}
	268
	269	sec_pmic->regmap = devm_regmap_init_i2c(i2c, regmap);
63063bfb SK	270	if (IS_ERR(sec_pmic->regmap)) {
63063bfb SK	271	ret = PTR_ERR(sec_pmic->regmap);
0f5f7078	272	dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
61a2af30	273	ret);
1092e1c7	274	return ret;
0f5f7078 SK	275	}
0f5f7078 SK	276
63063bfb SK	277	sec_pmic->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
63063bfb SK	278	i2c_set_clientdata(sec_pmic->rtc, sec_pmic);
0f5f7078	279
c3ebb30a	280	if (pdata && pdata->cfg_pmic_irq)
0f5f7078 SK	281	pdata->cfg_pmic_irq();
0f5f7078 SK	282
63063bfb	283	sec_irq_init(sec_pmic);
0f5f7078	284
63063bfb	285	pm_runtime_set_active(sec_pmic->dev);
0f5f7078	286
63063bfb	287	switch (sec_pmic->device_type) {
88a1cfd6	288	case S5M8751X:
63063bfb	289	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
0848c94f	290	ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
88a1cfd6 SK	291	break;
88a1cfd6 SK	292	case S5M8763X:
63063bfb	293	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
0848c94f	294	ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
88a1cfd6 SK	295	break;
88a1cfd6 SK	296	case S5M8767X:
63063bfb	297	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
0848c94f	298	ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
88a1cfd6	299	break;
9b6d1343 SK	300	case S2MPS11X:
9b6d1343 SK	301	ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
0848c94f	302	ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
9b6d1343	303	break;
88a1cfd6 SK	304	default:
	305	/* If this happens the probe function is problem */
	306	BUG();
	307	}
0f5f7078	308
15447a46	309	if (ret)
0f5f7078 SK	310	goto err;
	311
	312	return ret;
	313
	314	err:
63063bfb SK	315	sec_irq_exit(sec_pmic);
63063bfb SK	316	i2c_unregister_device(sec_pmic->rtc);
0f5f7078 SK	317	return ret;
	318	}
	319
63063bfb	320	static int sec_pmic_remove(struct i2c_client *i2c)
0f5f7078	321	{
63063bfb	322	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
0f5f7078	323
63063bfb SK	324	mfd_remove_devices(sec_pmic->dev);
	325	sec_irq_exit(sec_pmic);
	326	i2c_unregister_device(sec_pmic->rtc);
0f5f7078 SK	327	return 0;
	328	}
	329
63063bfb SK	330	static const struct i2c_device_id sec_pmic_id[] = {
63063bfb SK	331	{ "sec_pmic", 0 },
0f5f7078 SK	332	{ }
0f5f7078 SK	333	};
63063bfb	334	MODULE_DEVICE_TABLE(i2c, sec_pmic_id);
0f5f7078	335
63063bfb	336	static struct i2c_driver sec_pmic_driver = {
0f5f7078	337	.driver = {
63063bfb	338	.name = "sec_pmic",
0f5f7078	339	.owner = THIS_MODULE,
26aec009	340	.of_match_table = of_match_ptr(sec_dt_match),
0f5f7078	341	},
63063bfb SK	342	.probe = sec_pmic_probe,
	343	.remove = sec_pmic_remove,
	344	.id_table = sec_pmic_id,
0f5f7078 SK	345	};
0f5f7078 SK	346
63063bfb	347	static int __init sec_pmic_init(void)
0f5f7078	348	{
63063bfb	349	return i2c_add_driver(&sec_pmic_driver);
0f5f7078 SK	350	}
0f5f7078 SK	351
63063bfb	352	subsys_initcall(sec_pmic_init);
0f5f7078	353
63063bfb	354	static void __exit sec_pmic_exit(void)
0f5f7078	355	{
63063bfb	356	i2c_del_driver(&sec_pmic_driver);
0f5f7078	357	}
63063bfb	358	module_exit(sec_pmic_exit);
0f5f7078 SK	359
	360	MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
	361	MODULE_DESCRIPTION("Core support for the S5M MFD");
	362	MODULE_LICENSE("GPL");