[linux-2.6-block.git] / drivers / mfd / max77693.c

/*
 * max77693.c - mfd core driver for the MAX 77693
 *
 * Copyright (C) 2012 Samsung Electronics
 * SangYoung Son <hello.son@smasung.com>
 *
 * This program is not provided / owned by Maxim Integrated Products.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * This driver is based on max8997.c
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/pm_runtime.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/max77693.h>
#include <linux/mfd/max77693-private.h>
#include <linux/regulator/machine.h>
#include <linux/regmap.h>

#define I2C_ADDR_PMIC	(0xCC >> 1)	/* Charger, Flash LED */
#define I2C_ADDR_MUIC	(0x4A >> 1)
#define I2C_ADDR_HAPTIC	(0x90 >> 1)

static const struct mfd_cell max77693_devs[] = {
	{ .name = "max77693-pmic", },
	{
		.name = "max77693-charger",
		.of_compatible = "maxim,max77693-charger",
	},
	{ .name = "max77693-muic", },
	{
		.name = "max77693-haptic",
		.of_compatible = "maxim,max77693-haptic",
	},
	{
		.name = "max77693-flash",
		.of_compatible = "maxim,max77693-flash",
	},
};

static const struct regmap_config max77693_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = MAX77693_PMIC_REG_END,
};

static const struct regmap_irq max77693_led_irqs[] = {
	{ .mask = LED_IRQ_FLED2_OPEN,  },
	{ .mask = LED_IRQ_FLED2_SHORT, },
	{ .mask = LED_IRQ_FLED1_OPEN,  },
	{ .mask = LED_IRQ_FLED1_SHORT, },
	{ .mask = LED_IRQ_MAX_FLASH,   },
};

static const struct regmap_irq_chip max77693_led_irq_chip = {
	.name			= "max77693-led",
	.status_base		= MAX77693_LED_REG_FLASH_INT,
	.mask_base		= MAX77693_LED_REG_FLASH_INT_MASK,
	.mask_invert		= false,
	.num_regs		= 1,
	.irqs			= max77693_led_irqs,
	.num_irqs		= ARRAY_SIZE(max77693_led_irqs),
};

static const struct regmap_irq max77693_topsys_irqs[] = {
	{ .mask = TOPSYS_IRQ_T120C_INT,  },
	{ .mask = TOPSYS_IRQ_T140C_INT,  },
	{ .mask = TOPSYS_IRQ_LOWSYS_INT, },
};

static const struct regmap_irq_chip max77693_topsys_irq_chip = {
	.name			= "max77693-topsys",
	.status_base		= MAX77693_PMIC_REG_TOPSYS_INT,
	.mask_base		= MAX77693_PMIC_REG_TOPSYS_INT_MASK,
	.mask_invert		= false,
	.num_regs		= 1,
	.irqs			= max77693_topsys_irqs,
	.num_irqs		= ARRAY_SIZE(max77693_topsys_irqs),
};

static const struct regmap_irq max77693_charger_irqs[] = {
	{ .mask = CHG_IRQ_BYP_I,   },
	{ .mask = CHG_IRQ_THM_I,   },
	{ .mask = CHG_IRQ_BAT_I,   },
	{ .mask = CHG_IRQ_CHG_I,   },
	{ .mask = CHG_IRQ_CHGIN_I, },
};

static const struct regmap_irq_chip max77693_charger_irq_chip = {
	.name			= "max77693-charger",
	.status_base		= MAX77693_CHG_REG_CHG_INT,
	.mask_base		= MAX77693_CHG_REG_CHG_INT_MASK,
	.mask_invert		= false,
	.num_regs		= 1,
	.irqs			= max77693_charger_irqs,
	.num_irqs		= ARRAY_SIZE(max77693_charger_irqs),
};

static const struct regmap_config max77693_regmap_muic_config = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = MAX77693_MUIC_REG_END,
};

static const struct regmap_irq max77693_muic_irqs[] = {
	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC,		},
	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW,	},
	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR,	},
	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K,		},

	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP,	},
	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN,	},
	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR,	},
	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP,		},
	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT,	},
	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM,		},

	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC,		},
	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC,		},
	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP,		},
	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR,	},
	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED,	},
	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET,	},
};

static const struct regmap_irq_chip max77693_muic_irq_chip = {
	.name			= "max77693-muic",
	.status_base		= MAX77693_MUIC_REG_INT1,
	.mask_base		= MAX77693_MUIC_REG_INTMASK1,
	.mask_invert		= true,
	.num_regs		= 3,
	.irqs			= max77693_muic_irqs,
	.num_irqs		= ARRAY_SIZE(max77693_muic_irqs),
};

static const struct regmap_config max77693_regmap_haptic_config = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = MAX77693_HAPTIC_REG_END,
};

static int max77693_i2c_probe(struct i2c_client *i2c,
			      const struct i2c_device_id *id)
{
	struct max77693_dev *max77693;
	unsigned int reg_data;
	int ret = 0;

	max77693 = devm_kzalloc(&i2c->dev,
			sizeof(struct max77693_dev), GFP_KERNEL);
	if (max77693 == NULL)
		return -ENOMEM;

	i2c_set_clientdata(i2c, max77693);
	max77693->dev = &i2c->dev;
	max77693->i2c = i2c;
	max77693->irq = i2c->irq;
	max77693->type = id->driver_data;

	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
	if (IS_ERR(max77693->regmap)) {
		ret = PTR_ERR(max77693->regmap);
		dev_err(max77693->dev, "failed to allocate register map: %d\n",
				ret);
		return ret;
	}

	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
				&reg_data);
	if (ret < 0) {
		dev_err(max77693->dev, "device not found on this channel\n");
		return ret;
	} else
		dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);

	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
	if (!max77693->muic) {
		dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
		return -ENODEV;
	}
	i2c_set_clientdata(max77693->muic, max77693);

	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
	if (!max77693->haptic) {
		dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
		ret = -ENODEV;
		goto err_i2c_haptic;
	}
	i2c_set_clientdata(max77693->haptic, max77693);

	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
					&max77693_regmap_haptic_config);
	if (IS_ERR(max77693->regmap_haptic)) {
		ret = PTR_ERR(max77693->regmap_haptic);
		dev_err(max77693->dev,
			"failed to initialize haptic register map: %d\n", ret);
		goto err_regmap;
	}

	/*
	 * Initialize register map for MUIC device because use regmap-muic
	 * instance of MUIC device when irq of max77693 is initialized
	 * before call max77693-muic probe() function.
	 */
	max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
					 &max77693_regmap_muic_config);
	if (IS_ERR(max77693->regmap_muic)) {
		ret = PTR_ERR(max77693->regmap_muic);
		dev_err(max77693->dev,
			"failed to allocate register map: %d\n", ret);
		goto err_regmap;
	}

	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
				IRQF_ONESHOT | IRQF_SHARED |
				IRQF_TRIGGER_FALLING, 0,
				&max77693_led_irq_chip,
				&max77693->irq_data_led);
	if (ret) {
		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
		goto err_regmap;
	}

	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
				IRQF_ONESHOT | IRQF_SHARED |
				IRQF_TRIGGER_FALLING, 0,
				&max77693_topsys_irq_chip,
				&max77693->irq_data_topsys);
	if (ret) {
		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
		goto err_irq_topsys;
	}

	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
				IRQF_ONESHOT | IRQF_SHARED |
				IRQF_TRIGGER_FALLING, 0,
				&max77693_charger_irq_chip,
				&max77693->irq_data_charger);
	if (ret) {
		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
		goto err_irq_charger;
	}

	ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,
				IRQF_ONESHOT | IRQF_SHARED |
				IRQF_TRIGGER_FALLING, 0,
				&max77693_muic_irq_chip,
				&max77693->irq_data_muic);
	if (ret) {
		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
		goto err_irq_muic;
	}

	/* Unmask interrupts from all blocks in interrupt source register */
	ret = regmap_update_bits(max77693->regmap,
				MAX77693_PMIC_REG_INTSRC_MASK,
				SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL);
	if (ret < 0) {
		dev_err(max77693->dev,
			"Could not unmask interrupts in INTSRC: %d\n",
			ret);
		goto err_intsrc;
	}

	pm_runtime_set_active(max77693->dev);

	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
			      ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
	if (ret < 0)
		goto err_mfd;

	return ret;

err_mfd:
	mfd_remove_devices(max77693->dev);
err_intsrc:
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
err_irq_muic:
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
err_irq_charger:
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
err_irq_topsys:
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
err_regmap:
	i2c_unregister_device(max77693->haptic);
err_i2c_haptic:
	i2c_unregister_device(max77693->muic);
	return ret;
}

static int max77693_i2c_remove(struct i2c_client *i2c)
{
	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);

	mfd_remove_devices(max77693->dev);

	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);

	i2c_unregister_device(max77693->muic);
	i2c_unregister_device(max77693->haptic);

	return 0;
}

static const struct i2c_device_id max77693_i2c_id[] = {
	{ "max77693", TYPE_MAX77693 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);

static int max77693_suspend(struct device *dev)
{
	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);

	if (device_may_wakeup(dev)) {
		enable_irq_wake(max77693->irq);
		disable_irq(max77693->irq);
	}

	return 0;
}

static int max77693_resume(struct device *dev)
{
	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);

	if (device_may_wakeup(dev)) {
		disable_irq_wake(max77693->irq);
		enable_irq(max77693->irq);
	}

	return 0;
}

static const struct dev_pm_ops max77693_pm = {
	.suspend = max77693_suspend,
	.resume = max77693_resume,
};

#ifdef CONFIG_OF
static const struct of_device_id max77693_dt_match[] = {
	{ .compatible = "maxim,max77693" },
	{},
};
#endif

static struct i2c_driver max77693_i2c_driver = {
	.driver = {
		   .name = "max77693",
		   .owner = THIS_MODULE,
		   .pm = &max77693_pm,
		   .of_match_table = of_match_ptr(max77693_dt_match),
	},
	.probe = max77693_i2c_probe,
	.remove = max77693_i2c_remove,
	.id_table = max77693_i2c_id,
};

static int __init max77693_i2c_init(void)
{
	return i2c_add_driver(&max77693_i2c_driver);
}
/* init early so consumer devices can complete system boot */
subsys_initcall(max77693_i2c_init);

static void __exit max77693_i2c_exit(void)
{
	i2c_del_driver(&max77693_i2c_driver);
}
module_exit(max77693_i2c_exit);

MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
83871c00 CC	1	/*
	2	* max77693.c - mfd core driver for the MAX 77693
	3	*
	4	* Copyright (C) 2012 Samsung Electronics
	5	* SangYoung Son <hello.son@smasung.com>
	6	*
	7	* This program is not provided / owned by Maxim Integrated Products.
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*
	23	* This driver is based on max8997.c
	24	*/
	25
	26	#include <linux/module.h>
	27	#include <linux/slab.h>
	28	#include <linux/i2c.h>
	29	#include <linux/err.h>
	30	#include <linux/interrupt.h>
71c7f93e	31	#include <linux/of.h>
83871c00 CC	32	#include <linux/pm_runtime.h>
	33	#include <linux/mutex.h>
	34	#include <linux/mfd/core.h>
	35	#include <linux/mfd/max77693.h>
	36	#include <linux/mfd/max77693-private.h>
	37	#include <linux/regulator/machine.h>
	38	#include <linux/regmap.h>
	39
	40	#define I2C_ADDR_PMIC (0xCC >> 1) /* Charger, Flash LED */
	41	#define I2C_ADDR_MUIC (0x4A >> 1)
	42	#define I2C_ADDR_HAPTIC (0x90 >> 1)
	43
7c0517b1	44	static const struct mfd_cell max77693_devs[] = {
83871c00	45	{ .name = "max77693-pmic", },
efa3ca41 KK	46	{
	47	.name = "max77693-charger",
	48	.of_compatible = "maxim,max77693-charger",
	49	},
83871c00	50	{ .name = "max77693-muic", },
d1bafd78 JK	51	{
	52	.name = "max77693-haptic",
	53	.of_compatible = "maxim,max77693-haptic",
	54	},
a0bc6072 JA	55	{
	56	.name = "max77693-flash",
	57	.of_compatible = "maxim,max77693-flash",
	58	},
83871c00 CC	59	};
83871c00 CC	60
83871c00 CC	61	static const struct regmap_config max77693_regmap_config = {
	62	.reg_bits = 8,
	63	.val_bits = 8,
	64	.max_register = MAX77693_PMIC_REG_END,
	65	};
	66
342d669c RB	67	static const struct regmap_irq max77693_led_irqs[] = {
	68	{ .mask = LED_IRQ_FLED2_OPEN, },
	69	{ .mask = LED_IRQ_FLED2_SHORT, },
	70	{ .mask = LED_IRQ_FLED1_OPEN, },
	71	{ .mask = LED_IRQ_FLED1_SHORT, },
	72	{ .mask = LED_IRQ_MAX_FLASH, },
	73	};
	74
	75	static const struct regmap_irq_chip max77693_led_irq_chip = {
	76	.name = "max77693-led",
	77	.status_base = MAX77693_LED_REG_FLASH_INT,
	78	.mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
	79	.mask_invert = false,
	80	.num_regs = 1,
	81	.irqs = max77693_led_irqs,
	82	.num_irqs = ARRAY_SIZE(max77693_led_irqs),
	83	};
	84
	85	static const struct regmap_irq max77693_topsys_irqs[] = {
	86	{ .mask = TOPSYS_IRQ_T120C_INT, },
	87	{ .mask = TOPSYS_IRQ_T140C_INT, },
	88	{ .mask = TOPSYS_IRQ_LOWSYS_INT, },
	89	};
	90
	91	static const struct regmap_irq_chip max77693_topsys_irq_chip = {
	92	.name = "max77693-topsys",
	93	.status_base = MAX77693_PMIC_REG_TOPSYS_INT,
	94	.mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
	95	.mask_invert = false,
	96	.num_regs = 1,
	97	.irqs = max77693_topsys_irqs,
	98	.num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
	99	};
	100
	101	static const struct regmap_irq max77693_charger_irqs[] = {
	102	{ .mask = CHG_IRQ_BYP_I, },
	103	{ .mask = CHG_IRQ_THM_I, },
	104	{ .mask = CHG_IRQ_BAT_I, },
	105	{ .mask = CHG_IRQ_CHG_I, },
	106	{ .mask = CHG_IRQ_CHGIN_I, },
	107	};
	108
	109	static const struct regmap_irq_chip max77693_charger_irq_chip = {
	110	.name = "max77693-charger",
	111	.status_base = MAX77693_CHG_REG_CHG_INT,
	112	.mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
	113	.mask_invert = false,
	114	.num_regs = 1,
	115	.irqs = max77693_charger_irqs,
	116	.num_irqs = ARRAY_SIZE(max77693_charger_irqs),
	117	};
	118
75ad1327 KK	119	static const struct regmap_config max77693_regmap_muic_config = {
	120	.reg_bits = 8,
	121	.val_bits = 8,
	122	.max_register = MAX77693_MUIC_REG_END,
	123	};
	124
342d669c RB	125	static const struct regmap_irq max77693_muic_irqs[] = {
	126	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
	127	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
	128	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
	129	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
	130
	131	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
	132	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
	133	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
	134	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
	135	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
	136	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
	137
	138	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
	139	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
	140	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
	141	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
	142	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
	143	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
	144	};
	145
	146	static const struct regmap_irq_chip max77693_muic_irq_chip = {
	147	.name = "max77693-muic",
	148	.status_base = MAX77693_MUIC_REG_INT1,
	149	.mask_base = MAX77693_MUIC_REG_INTMASK1,
	150	.mask_invert = true,
	151	.num_regs = 3,
	152	.irqs = max77693_muic_irqs,
	153	.num_irqs = ARRAY_SIZE(max77693_muic_irqs),
	154	};
	155
efbf4922 JK	156	static const struct regmap_config max77693_regmap_haptic_config = {
	157	.reg_bits = 8,
	158	.val_bits = 8,
	159	.max_register = MAX77693_HAPTIC_REG_END,
	160	};
	161
83871c00 CC	162	static int max77693_i2c_probe(struct i2c_client *i2c,
	163	const struct i2c_device_id *id)
	164	{
	165	struct max77693_dev *max77693;
d0540f91	166	unsigned int reg_data;
83871c00 CC	167	int ret = 0;
	168
	169	max77693 = devm_kzalloc(&i2c->dev,
	170	sizeof(struct max77693_dev), GFP_KERNEL);
	171	if (max77693 == NULL)
	172	return -ENOMEM;
	173
83871c00 CC	174	i2c_set_clientdata(i2c, max77693);
	175	max77693->dev = &i2c->dev;
	176	max77693->i2c = i2c;
	177	max77693->irq = i2c->irq;
	178	max77693->type = id->driver_data;
	179
2429d863 AL	180	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
	181	if (IS_ERR(max77693->regmap)) {
	182	ret = PTR_ERR(max77693->regmap);
	183	dev_err(max77693->dev, "failed to allocate register map: %d\n",
	184	ret);
	185	return ret;
	186	}
83871c00	187
d0540f91	188	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
2429d863 AL	189	&reg_data);
2429d863 AL	190	if (ret < 0) {
83871c00	191	dev_err(max77693->dev, "device not found on this channel\n");
2429d863	192	return ret;
83871c00 CC	193	} else
	194	dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
	195
	196	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
ad09dd6a KK	197	if (!max77693->muic) {
	198	dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
	199	return -ENODEV;
	200	}
83871c00 CC	201	i2c_set_clientdata(max77693->muic, max77693);
	202
	203	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
ad09dd6a KK	204	if (!max77693->haptic) {
	205	dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
	206	ret = -ENODEV;
	207	goto err_i2c_haptic;
	208	}
83871c00 CC	209	i2c_set_clientdata(max77693->haptic, max77693);
83871c00 CC	210
efbf4922 JK	211	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
	212	&max77693_regmap_haptic_config);
	213	if (IS_ERR(max77693->regmap_haptic)) {
	214	ret = PTR_ERR(max77693->regmap_haptic);
	215	dev_err(max77693->dev,
	216	"failed to initialize haptic register map: %d\n", ret);
	217	goto err_regmap;
	218	}
	219
b186b124 CC	220	/*
	221	* Initialize register map for MUIC device because use regmap-muic
	222	* instance of MUIC device when irq of max77693 is initialized
	223	* before call max77693-muic probe() function.
	224	*/
	225	max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
75ad1327	226	&max77693_regmap_muic_config);
b186b124 CC	227	if (IS_ERR(max77693->regmap_muic)) {
	228	ret = PTR_ERR(max77693->regmap_muic);
	229	dev_err(max77693->dev,
	230	"failed to allocate register map: %d\n", ret);
efbf4922	231	goto err_regmap;
b186b124 CC	232	}
b186b124 CC	233
342d669c RB	234	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	235	IRQF_ONESHOT \| IRQF_SHARED \|
	236	IRQF_TRIGGER_FALLING, 0,
	237	&max77693_led_irq_chip,
	238	&max77693->irq_data_led);
	239	if (ret) {
	240	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
efbf4922	241	goto err_regmap;
342d669c RB	242	}
	243
	244	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	245	IRQF_ONESHOT \| IRQF_SHARED \|
	246	IRQF_TRIGGER_FALLING, 0,
	247	&max77693_topsys_irq_chip,
	248	&max77693->irq_data_topsys);
	249	if (ret) {
	250	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	251	goto err_irq_topsys;
	252	}
	253
	254	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	255	IRQF_ONESHOT \| IRQF_SHARED \|
	256	IRQF_TRIGGER_FALLING, 0,
	257	&max77693_charger_irq_chip,
	258	&max77693->irq_data_charger);
	259	if (ret) {
	260	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	261	goto err_irq_charger;
	262	}
	263
43fc9396	264	ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,
342d669c RB	265	IRQF_ONESHOT \| IRQF_SHARED \|
	266	IRQF_TRIGGER_FALLING, 0,
	267	&max77693_muic_irq_chip,
	268	&max77693->irq_data_muic);
	269	if (ret) {
	270	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	271	goto err_irq_muic;
	272	}
6592ebb3	273
c0acb814 KK	274	/* Unmask interrupts from all blocks in interrupt source register */
	275	ret = regmap_update_bits(max77693->regmap,
	276	MAX77693_PMIC_REG_INTSRC_MASK,
	277	SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL);
	278	if (ret < 0) {
	279	dev_err(max77693->dev,
	280	"Could not unmask interrupts in INTSRC: %d\n",
	281	ret);
	282	goto err_intsrc;
	283	}
	284
83871c00 CC	285	pm_runtime_set_active(max77693->dev);
	286
	287	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
0848c94f	288	ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
83871c00 CC	289	if (ret < 0)
	290	goto err_mfd;
	291
	292	return ret;
	293
	294	err_mfd:
342d669c	295	mfd_remove_devices(max77693->dev);
c0acb814	296	err_intsrc:
342d669c RB	297	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
	298	err_irq_muic:
	299	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
	300	err_irq_charger:
	301	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	302	err_irq_topsys:
	303	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
efbf4922	304	err_regmap:
83871c00	305	i2c_unregister_device(max77693->haptic);
ad09dd6a KK	306	err_i2c_haptic:
ad09dd6a KK	307	i2c_unregister_device(max77693->muic);
83871c00 CC	308	return ret;
	309	}
	310
	311	static int max77693_i2c_remove(struct i2c_client *i2c)
	312	{
	313	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	314
	315	mfd_remove_devices(max77693->dev);
342d669c RB	316
	317	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
	318	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
	319	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	320	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
	321
83871c00 CC	322	i2c_unregister_device(max77693->muic);
	323	i2c_unregister_device(max77693->haptic);
	324
	325	return 0;
	326	}
	327
	328	static const struct i2c_device_id max77693_i2c_id[] = {
	329	{ "max77693", TYPE_MAX77693 },
	330	{ }
	331	};
	332	MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);
	333
6592ebb3 CC	334	static int max77693_suspend(struct device *dev)
	335	{
	336	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	337	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	338
342d669c RB	339	if (device_may_wakeup(dev)) {
	340	enable_irq_wake(max77693->irq);
	341	disable_irq(max77693->irq);
	342	}
	343
6592ebb3 CC	344	return 0;
	345	}
	346
	347	static int max77693_resume(struct device *dev)
	348	{
	349	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	350	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	351
342d669c RB	352	if (device_may_wakeup(dev)) {
	353	disable_irq_wake(max77693->irq);
	354	enable_irq(max77693->irq);
	355	}
	356
	357	return 0;
6592ebb3 CC	358	}
6592ebb3 CC	359
12477a32	360	static const struct dev_pm_ops max77693_pm = {
6592ebb3 CC	361	.suspend = max77693_suspend,
	362	.resume = max77693_resume,
	363	};
	364
4657185c	365	#ifdef CONFIG_OF
5ce9a55b	366	static const struct of_device_id max77693_dt_match[] = {
4657185c AH	367	{ .compatible = "maxim,max77693" },
	368	{},
	369	};
	370	#endif
	371
83871c00 CC	372	static struct i2c_driver max77693_i2c_driver = {
	373	.driver = {
	374	.name = "max77693",
	375	.owner = THIS_MODULE,
6592ebb3	376	.pm = &max77693_pm,
4657185c	377	.of_match_table = of_match_ptr(max77693_dt_match),
83871c00 CC	378	},
	379	.probe = max77693_i2c_probe,
	380	.remove = max77693_i2c_remove,
	381	.id_table = max77693_i2c_id,
	382	};
	383
	384	static int __init max77693_i2c_init(void)
	385	{
	386	return i2c_add_driver(&max77693_i2c_driver);
	387	}
	388	/* init early so consumer devices can complete system boot */
	389	subsys_initcall(max77693_i2c_init);
	390
	391	static void __exit max77693_i2c_exit(void)
	392	{
	393	i2c_del_driver(&max77693_i2c_driver);
	394	}
	395	module_exit(max77693_i2c_exit);
	396
	397	MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
	398	MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
	399	MODULE_LICENSE("GPL");