[linux-2.6-block.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/s2mpa01.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/regmap.h>

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

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

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

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

static const struct mfd_cell s2mps14_devs[] = {
	{
		.name = "s2mps14-pmic",
	}, {
		.name = "s2mps14-rtc",
	}, {
		.name = "s2mps14-clk",
		.of_compatible = "samsung,s2mps14-clk",
	}
};

static const struct mfd_cell s2mpa01_devs[] = {
	{
		.name = "s2mpa01-pmic",
	},
};

#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,
	}, {
		.compatible = "samsung,s2mps14-pmic",
		.data = (void *)S2MPS14X,
	}, {
		.compatible = "samsung,s2mpa01-pmic",
		.data = (void *)S2MPA01,
	}, {
		/* Sentinel */
	},
};
#endif

static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case S2MPA01_REG_INT1M:
	case S2MPA01_REG_INT2M:
	case S2MPA01_REG_INT3M:
		return false;
	default:
		return true;
	}
}

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

static const struct regmap_config s2mpa01_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = S2MPA01_REG_LDO_OVCB4,
	.volatile_reg = s2mpa01_volatile,
	.cache_type = REGCACHE_FLAT,
};

static const 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 const struct regmap_config s2mps14_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,

	.max_register = S2MPS14_REG_LDODSCH3,
	.volatile_reg = s2mps11_volatile,
	.cache_type = REGCACHE_FLAT,
};

static const 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 const 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 NULL;
}
#endif

static inline unsigned long 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 (unsigned long)match->data;
	}
#endif
	return 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 S2MPA01:
		regmap = &s2mpa01_regmap_config;
		break;
	case S2MPS11X:
		regmap = &s2mps11_regmap_config;
		break;
	case S2MPS14X:
		regmap = &s2mps14_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_pmic = devm_regmap_init_i2c(i2c, regmap);
	if (IS_ERR(sec_pmic->regmap_pmic)) {
		ret = PTR_ERR(sec_pmic->regmap_pmic);
		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
			ret);
		return ret;
	}

	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 S2MPA01:
		ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
				      ARRAY_SIZE(s2mpa01_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;
	case S2MPS14X:
		ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
				      ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
		break;
	default:
		/* If this happens the probe function is problem */
		BUG();
	}

	if (ret)
		goto err_mfd;

	device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);

	return ret;

err_mfd:
	sec_irq_exit(sec_pmic);
	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);
	return 0;
}

#ifdef CONFIG_PM_SLEEP
static int sec_pmic_suspend(struct device *dev)
{
	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);

	if (device_may_wakeup(dev)) {
		enable_irq_wake(sec_pmic->irq);
		/*
		 * PMIC IRQ must be disabled during suspend for RTC alarm
		 * to work properly.
		 * When device is woken up from suspend by RTC Alarm, an
		 * interrupt occurs before resuming I2C bus controller.
		 * The interrupt is handled by regmap_irq_thread which tries
		 * to read RTC registers. This read fails (I2C is still
		 * suspended) and RTC Alarm interrupt is disabled.
		 */
		disable_irq(sec_pmic->irq);
	}

	return 0;
}

static int sec_pmic_resume(struct device *dev)
{
	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);

	if (device_may_wakeup(dev)) {
		disable_irq_wake(sec_pmic->irq);
		enable_irq(sec_pmic->irq);
	}

	return 0;
}
#endif /* CONFIG_PM_SLEEP */

static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume);

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,
		   .pm = &sec_pmic_pm_ops,
		   .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>
54227bcf SK	27	#include <linux/mfd/samsung/irq.h>
ce24991e	28	#include <linux/mfd/samsung/s2mpa01.h>
25f311fa	29	#include <linux/mfd/samsung/s2mps11.h>
dc691966	30	#include <linux/mfd/samsung/s2mps14.h>
25f311fa MB	31	#include <linux/mfd/samsung/s5m8763.h>
25f311fa MB	32	#include <linux/mfd/samsung/s5m8767.h>
0f5f7078 SK	33	#include <linux/regmap.h>
0f5f7078 SK	34
5ac98553	35	static const struct mfd_cell s5m8751_devs[] = {
88a1cfd6 SK	36	{
	37	.name = "s5m8751-pmic",
	38	}, {
	39	.name = "s5m-charger",
	40	}, {
	41	.name = "s5m8751-codec",
	42	},
	43	};
	44
5ac98553	45	static const struct mfd_cell s5m8763_devs[] = {
88a1cfd6 SK	46	{
	47	.name = "s5m8763-pmic",
	48	}, {
	49	.name = "s5m-rtc",
	50	}, {
	51	.name = "s5m-charger",
	52	},
	53	};
	54
5ac98553	55	static const struct mfd_cell s5m8767_devs[] = {
0f5f7078 SK	56	{
	57	.name = "s5m8767-pmic",
	58	}, {
	59	.name = "s5m-rtc",
39fed00f TB	60	}, {
39fed00f TB	61	.name = "s5m8767-clk",
53c31b34	62	.of_compatible = "samsung,s5m8767-clk",
39fed00f	63	}
0f5f7078 SK	64	};
0f5f7078 SK	65
5ac98553	66	static const struct mfd_cell s2mps11_devs[] = {
9b6d1343 SK	67	{
9b6d1343 SK	68	.name = "s2mps11-pmic",
3134bcae YSB	69	}, {
3134bcae YSB	70	.name = "s2mps11-clk",
53c31b34	71	.of_compatible = "samsung,s2mps11-clk",
3134bcae	72	}
9b6d1343 SK	73	};
9b6d1343 SK	74
dc691966 KK	75	static const struct mfd_cell s2mps14_devs[] = {
	76	{
	77	.name = "s2mps14-pmic",
	78	}, {
	79	.name = "s2mps14-rtc",
	80	}, {
	81	.name = "s2mps14-clk",
53c31b34	82	.of_compatible = "samsung,s2mps14-clk",
dc691966 KK	83	}
	84	};
	85
ce24991e SK	86	static const struct mfd_cell s2mpa01_devs[] = {
	87	{
	88	.name = "s2mpa01-pmic",
	89	},
	90	};
	91
26aec009 ADK	92	#ifdef CONFIG_OF
	93	static struct of_device_id sec_dt_match[] = {
	94	{ .compatible = "samsung,s5m8767-pmic",
	95	.data = (void *)S5M8767X,
ce24991e SK	96	}, {
ce24991e SK	97	.compatible = "samsung,s2mps11-pmic",
aa32acad	98	.data = (void *)S2MPS11X,
ce24991e SK	99	}, {
ce24991e SK	100	.compatible = "samsung,s2mps14-pmic",
dc691966	101	.data = (void *)S2MPS14X,
ce24991e SK	102	}, {
	103	.compatible = "samsung,s2mpa01-pmic",
	104	.data = (void *)S2MPA01,
	105	}, {
	106	/* Sentinel */
dc691966	107	},
26aec009 ADK	108	};
	109	#endif
	110
ce24991e SK	111	static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
	112	{
	113	switch (reg) {
	114	case S2MPA01_REG_INT1M:
	115	case S2MPA01_REG_INT2M:
	116	case S2MPA01_REG_INT3M:
	117	return false;
	118	default:
	119	return true;
	120	}
	121	}
	122
6b845ba9 MB	123	static bool s2mps11_volatile(struct device *dev, unsigned int reg)
	124	{
	125	switch (reg) {
	126	case S2MPS11_REG_INT1M:
	127	case S2MPS11_REG_INT2M:
	128	case S2MPS11_REG_INT3M:
	129	return false;
	130	default:
	131	return true;
	132	}
	133	}
	134
	135	static bool s5m8763_volatile(struct device *dev, unsigned int reg)
	136	{
	137	switch (reg) {
	138	case S5M8763_REG_IRQM1:
	139	case S5M8763_REG_IRQM2:
	140	case S5M8763_REG_IRQM3:
	141	case S5M8763_REG_IRQM4:
	142	return false;
	143	default:
	144	return true;
	145	}
	146	}
	147
a30fffb0	148	static const struct regmap_config sec_regmap_config = {
0f5f7078 SK	149	.reg_bits = 8,
	150	.val_bits = 8,
	151	};
	152
ce24991e SK	153	static const struct regmap_config s2mpa01_regmap_config = {
	154	.reg_bits = 8,
	155	.val_bits = 8,
	156
	157	.max_register = S2MPA01_REG_LDO_OVCB4,
	158	.volatile_reg = s2mpa01_volatile,
	159	.cache_type = REGCACHE_FLAT,
	160	};
	161
a30fffb0	162	static const struct regmap_config s2mps11_regmap_config = {
25f311fa MB	163	.reg_bits = 8,
	164	.val_bits = 8,
	165
	166	.max_register = S2MPS11_REG_L38CTRL,
6b845ba9 MB	167	.volatile_reg = s2mps11_volatile,
6b845ba9 MB	168	.cache_type = REGCACHE_FLAT,
25f311fa MB	169	};
25f311fa MB	170
dc691966 KK	171	static const struct regmap_config s2mps14_regmap_config = {
	172	.reg_bits = 8,
	173	.val_bits = 8,
	174
	175	.max_register = S2MPS14_REG_LDODSCH3,
	176	.volatile_reg = s2mps11_volatile,
	177	.cache_type = REGCACHE_FLAT,
	178	};
	179
a30fffb0	180	static const struct regmap_config s5m8763_regmap_config = {
25f311fa MB	181	.reg_bits = 8,
	182	.val_bits = 8,
	183
	184	.max_register = S5M8763_REG_LBCNFG2,
6b845ba9 MB	185	.volatile_reg = s5m8763_volatile,
6b845ba9 MB	186	.cache_type = REGCACHE_FLAT,
25f311fa MB	187	};
25f311fa MB	188
a30fffb0	189	static const struct regmap_config s5m8767_regmap_config = {
25f311fa MB	190	.reg_bits = 8,
	191	.val_bits = 8,
	192
	193	.max_register = S5M8767_REG_LDO28CTRL,
6b845ba9 MB	194	.volatile_reg = s2mps11_volatile,
6b845ba9 MB	195	.cache_type = REGCACHE_FLAT,
25f311fa	196	};
26aec009 ADK	197
	198	#ifdef CONFIG_OF
	199	/*
	200	* Only the common platform data elements for s5m8767 are parsed here from the
	201	* device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and
	202	* others have to parse their own platform data elements from device tree.
	203	*
	204	* The s5m8767 platform data structure is instantiated here and the drivers for
	205	* the sub-modules need not instantiate another instance while parsing their
	206	* platform data.
	207	*/
	208	static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
	209	struct device *dev)
	210	{
	211	struct sec_platform_data *pd;
	212
	213	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
	214	if (!pd) {
	215	dev_err(dev, "could not allocate memory for pdata\n");
	216	return ERR_PTR(-ENOMEM);
	217	}
	218
	219	/*
	220	* ToDo: the 'wakeup' member in the platform data is more of a linux
	221	* specfic information. Hence, there is no binding for that yet and
	222	* not parsed here.
	223	*/
	224
	225	return pd;
	226	}
	227	#else
197bf856	228	static struct sec_platform_data *sec_pmic_i2c_parse_dt_pdata(
26aec009 ADK	229	struct device *dev)
26aec009 ADK	230	{
005718c0	231	return NULL;
26aec009 ADK	232	}
	233	#endif
	234
8f695de5	235	static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c,
26aec009 ADK	236	const struct i2c_device_id *id)
	237	{
	238	#ifdef CONFIG_OF
	239	if (i2c->dev.of_node) {
	240	const struct of_device_id *match;
	241	match = of_match_node(sec_dt_match, i2c->dev.of_node);
8f695de5	242	return (unsigned long)match->data;
26aec009 ADK	243	}
26aec009 ADK	244	#endif
8f695de5	245	return id->driver_data;
26aec009 ADK	246	}
26aec009 ADK	247
63063bfb	248	static int sec_pmic_probe(struct i2c_client *i2c,
0f5f7078 SK	249	const struct i2c_device_id *id)
0f5f7078 SK	250	{
334a41ce	251	struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
e349c910	252	const struct regmap_config *regmap;
63063bfb	253	struct sec_pmic_dev *sec_pmic;
61a2af30	254	int ret;
0f5f7078	255
63063bfb	256	sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
621210e2	257	GFP_KERNEL);
63063bfb	258	if (sec_pmic == NULL)
0f5f7078 SK	259	return -ENOMEM;
0f5f7078 SK	260
63063bfb SK	261	i2c_set_clientdata(i2c, sec_pmic);
	262	sec_pmic->dev = &i2c->dev;
	263	sec_pmic->i2c = i2c;
	264	sec_pmic->irq = i2c->irq;
26aec009 ADK	265	sec_pmic->type = sec_i2c_get_driver_data(i2c, id);
	266
	267	if (sec_pmic->dev->of_node) {
	268	pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
	269	if (IS_ERR(pdata)) {
	270	ret = PTR_ERR(pdata);
	271	return ret;
	272	}
	273	pdata->device_type = sec_pmic->type;
	274	}
0f5f7078	275	if (pdata) {
63063bfb SK	276	sec_pmic->device_type = pdata->device_type;
	277	sec_pmic->ono = pdata->ono;
	278	sec_pmic->irq_base = pdata->irq_base;
	279	sec_pmic->wakeup = pdata->wakeup;
26aec009	280	sec_pmic->pdata = pdata;
0f5f7078 SK	281	}
0f5f7078 SK	282
25f311fa	283	switch (sec_pmic->device_type) {
ce24991e SK	284	case S2MPA01:
	285	regmap = &s2mpa01_regmap_config;
	286	break;
25f311fa MB	287	case S2MPS11X:
25f311fa MB	288	regmap = &s2mps11_regmap_config;
dc691966 KK	289	break;
	290	case S2MPS14X:
	291	regmap = &s2mps14_regmap_config;
25f311fa MB	292	break;
	293	case S5M8763X:
	294	regmap = &s5m8763_regmap_config;
	295	break;
	296	case S5M8767X:
	297	regmap = &s5m8767_regmap_config;
	298	break;
	299	default:
	300	regmap = &sec_regmap_config;
	301	break;
	302	}
	303
3e1e4a5f KK	304	sec_pmic->regmap_pmic = devm_regmap_init_i2c(i2c, regmap);
	305	if (IS_ERR(sec_pmic->regmap_pmic)) {
	306	ret = PTR_ERR(sec_pmic->regmap_pmic);
0f5f7078	307	dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
61a2af30	308	ret);
1092e1c7	309	return ret;
0f5f7078 SK	310	}
0f5f7078 SK	311
c3ebb30a	312	if (pdata && pdata->cfg_pmic_irq)
0f5f7078 SK	313	pdata->cfg_pmic_irq();
0f5f7078 SK	314
63063bfb	315	sec_irq_init(sec_pmic);
0f5f7078	316
63063bfb	317	pm_runtime_set_active(sec_pmic->dev);
0f5f7078	318
63063bfb	319	switch (sec_pmic->device_type) {
88a1cfd6	320	case S5M8751X:
63063bfb	321	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
0848c94f	322	ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
88a1cfd6 SK	323	break;
88a1cfd6 SK	324	case S5M8763X:
63063bfb	325	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
0848c94f	326	ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
88a1cfd6 SK	327	break;
88a1cfd6 SK	328	case S5M8767X:
63063bfb	329	ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
0848c94f	330	ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
88a1cfd6	331	break;
ce24991e SK	332	case S2MPA01:
	333	ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
	334	ARRAY_SIZE(s2mpa01_devs), NULL, 0, NULL);
	335	break;
9b6d1343 SK	336	case S2MPS11X:
9b6d1343 SK	337	ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
0848c94f	338	ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
9b6d1343	339	break;
dc691966 KK	340	case S2MPS14X:
	341	ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
	342	ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
	343	break;
88a1cfd6 SK	344	default:
	345	/* If this happens the probe function is problem */
	346	BUG();
	347	}
0f5f7078	348
15447a46	349	if (ret)
8c66eece	350	goto err_mfd;
0f5f7078	351
f6d6daaf KK	352	device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);
f6d6daaf KK	353
0f5f7078 SK	354	return ret;
0f5f7078 SK	355
8c66eece	356	err_mfd:
63063bfb	357	sec_irq_exit(sec_pmic);
0f5f7078 SK	358	return ret;
	359	}
	360
63063bfb	361	static int sec_pmic_remove(struct i2c_client *i2c)
0f5f7078	362	{
63063bfb	363	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
0f5f7078	364
63063bfb SK	365	mfd_remove_devices(sec_pmic->dev);
63063bfb SK	366	sec_irq_exit(sec_pmic);
0f5f7078 SK	367	return 0;
	368	}
	369
8321bbf8	370	#ifdef CONFIG_PM_SLEEP
f6d6daaf KK	371	static int sec_pmic_suspend(struct device *dev)
	372	{
	373	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	374	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
	375
	376	if (device_may_wakeup(dev)) {
	377	enable_irq_wake(sec_pmic->irq);
	378	/*
	379	* PMIC IRQ must be disabled during suspend for RTC alarm
	380	* to work properly.
	381	* When device is woken up from suspend by RTC Alarm, an
	382	* interrupt occurs before resuming I2C bus controller.
	383	* The interrupt is handled by regmap_irq_thread which tries
	384	* to read RTC registers. This read fails (I2C is still
	385	* suspended) and RTC Alarm interrupt is disabled.
	386	*/
	387	disable_irq(sec_pmic->irq);
	388	}
	389
	390	return 0;
	391	}
	392
	393	static int sec_pmic_resume(struct device *dev)
	394	{
	395	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	396	struct sec_pmic_dev *sec_pmic = i2c_get_clientdata(i2c);
	397
	398	if (device_may_wakeup(dev)) {
	399	disable_irq_wake(sec_pmic->irq);
	400	enable_irq(sec_pmic->irq);
	401	}
	402
	403	return 0;
	404	}
8321bbf8	405	#endif /* CONFIG_PM_SLEEP */
f6d6daaf KK	406
	407	static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume);
	408
63063bfb SK	409	static const struct i2c_device_id sec_pmic_id[] = {
63063bfb SK	410	{ "sec_pmic", 0 },
0f5f7078 SK	411	{ }
0f5f7078 SK	412	};
63063bfb	413	MODULE_DEVICE_TABLE(i2c, sec_pmic_id);
0f5f7078	414
63063bfb	415	static struct i2c_driver sec_pmic_driver = {
0f5f7078	416	.driver = {
63063bfb	417	.name = "sec_pmic",
0f5f7078	418	.owner = THIS_MODULE,
f6d6daaf	419	.pm = &sec_pmic_pm_ops,
26aec009	420	.of_match_table = of_match_ptr(sec_dt_match),
0f5f7078	421	},
63063bfb SK	422	.probe = sec_pmic_probe,
	423	.remove = sec_pmic_remove,
	424	.id_table = sec_pmic_id,
0f5f7078 SK	425	};
0f5f7078 SK	426
63063bfb	427	static int __init sec_pmic_init(void)
0f5f7078	428	{
63063bfb	429	return i2c_add_driver(&sec_pmic_driver);
0f5f7078 SK	430	}
0f5f7078 SK	431
63063bfb	432	subsys_initcall(sec_pmic_init);
0f5f7078	433
63063bfb	434	static void __exit sec_pmic_exit(void)
0f5f7078	435	{
63063bfb	436	i2c_del_driver(&sec_pmic_driver);
0f5f7078	437	}
63063bfb	438	module_exit(sec_pmic_exit);
0f5f7078 SK	439
	440	MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
	441	MODULE_DESCRIPTION("Core support for the S5M MFD");
	442	MODULE_LICENSE("GPL");