[deliverable/linux.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", },
	{ .name = "max77693-flash", },
	{ .name = "max77693-muic", },
	{ .name = "max77693-haptic", },
};

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 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);

	/*
	 * 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_muic;
	}

	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_muic;
	}

	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, 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;
	}

	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);
	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_muic:
	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 CC	45	{ .name = "max77693-pmic", },
	46	{ .name = "max77693-charger", },
	47	{ .name = "max77693-flash", },
	48	{ .name = "max77693-muic", },
	49	{ .name = "max77693-haptic", },
	50	};
	51
83871c00 CC	52	static const struct regmap_config max77693_regmap_config = {
	53	.reg_bits = 8,
	54	.val_bits = 8,
	55	.max_register = MAX77693_PMIC_REG_END,
	56	};
	57
342d669c RB	58	static const struct regmap_irq max77693_led_irqs[] = {
	59	{ .mask = LED_IRQ_FLED2_OPEN, },
	60	{ .mask = LED_IRQ_FLED2_SHORT, },
	61	{ .mask = LED_IRQ_FLED1_OPEN, },
	62	{ .mask = LED_IRQ_FLED1_SHORT, },
	63	{ .mask = LED_IRQ_MAX_FLASH, },
	64	};
	65
	66	static const struct regmap_irq_chip max77693_led_irq_chip = {
	67	.name = "max77693-led",
	68	.status_base = MAX77693_LED_REG_FLASH_INT,
	69	.mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
	70	.mask_invert = false,
	71	.num_regs = 1,
	72	.irqs = max77693_led_irqs,
	73	.num_irqs = ARRAY_SIZE(max77693_led_irqs),
	74	};
	75
	76	static const struct regmap_irq max77693_topsys_irqs[] = {
	77	{ .mask = TOPSYS_IRQ_T120C_INT, },
	78	{ .mask = TOPSYS_IRQ_T140C_INT, },
	79	{ .mask = TOPSYS_IRQ_LOWSYS_INT, },
	80	};
	81
	82	static const struct regmap_irq_chip max77693_topsys_irq_chip = {
	83	.name = "max77693-topsys",
	84	.status_base = MAX77693_PMIC_REG_TOPSYS_INT,
	85	.mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
	86	.mask_invert = false,
	87	.num_regs = 1,
	88	.irqs = max77693_topsys_irqs,
	89	.num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
	90	};
	91
	92	static const struct regmap_irq max77693_charger_irqs[] = {
	93	{ .mask = CHG_IRQ_BYP_I, },
	94	{ .mask = CHG_IRQ_THM_I, },
	95	{ .mask = CHG_IRQ_BAT_I, },
	96	{ .mask = CHG_IRQ_CHG_I, },
	97	{ .mask = CHG_IRQ_CHGIN_I, },
	98	};
	99
	100	static const struct regmap_irq_chip max77693_charger_irq_chip = {
	101	.name = "max77693-charger",
	102	.status_base = MAX77693_CHG_REG_CHG_INT,
	103	.mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
	104	.mask_invert = false,
	105	.num_regs = 1,
	106	.irqs = max77693_charger_irqs,
	107	.num_irqs = ARRAY_SIZE(max77693_charger_irqs),
	108	};
	109
75ad1327 KK	110	static const struct regmap_config max77693_regmap_muic_config = {
	111	.reg_bits = 8,
	112	.val_bits = 8,
	113	.max_register = MAX77693_MUIC_REG_END,
	114	};
	115
342d669c RB	116	static const struct regmap_irq max77693_muic_irqs[] = {
	117	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
	118	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
	119	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
	120	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
	121
	122	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
	123	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
	124	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
	125	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
	126	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
	127	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
	128
	129	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
	130	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
	131	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
	132	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
	133	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
	134	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
	135	};
	136
	137	static const struct regmap_irq_chip max77693_muic_irq_chip = {
	138	.name = "max77693-muic",
	139	.status_base = MAX77693_MUIC_REG_INT1,
	140	.mask_base = MAX77693_MUIC_REG_INTMASK1,
	141	.mask_invert = true,
	142	.num_regs = 3,
	143	.irqs = max77693_muic_irqs,
	144	.num_irqs = ARRAY_SIZE(max77693_muic_irqs),
	145	};
	146
83871c00 CC	147	static int max77693_i2c_probe(struct i2c_client *i2c,
	148	const struct i2c_device_id *id)
	149	{
	150	struct max77693_dev *max77693;
d0540f91	151	unsigned int reg_data;
83871c00 CC	152	int ret = 0;
	153
	154	max77693 = devm_kzalloc(&i2c->dev,
	155	sizeof(struct max77693_dev), GFP_KERNEL);
	156	if (max77693 == NULL)
	157	return -ENOMEM;
	158
83871c00 CC	159	i2c_set_clientdata(i2c, max77693);
	160	max77693->dev = &i2c->dev;
	161	max77693->i2c = i2c;
	162	max77693->irq = i2c->irq;
	163	max77693->type = id->driver_data;
	164
2429d863 AL	165	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
	166	if (IS_ERR(max77693->regmap)) {
	167	ret = PTR_ERR(max77693->regmap);
	168	dev_err(max77693->dev, "failed to allocate register map: %d\n",
	169	ret);
	170	return ret;
	171	}
83871c00	172
d0540f91	173	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
2429d863 AL	174	&reg_data);
2429d863 AL	175	if (ret < 0) {
83871c00	176	dev_err(max77693->dev, "device not found on this channel\n");
2429d863	177	return ret;
83871c00 CC	178	} else
	179	dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
	180
	181	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
ad09dd6a KK	182	if (!max77693->muic) {
	183	dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
	184	return -ENODEV;
	185	}
83871c00 CC	186	i2c_set_clientdata(max77693->muic, max77693);
	187
	188	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
ad09dd6a KK	189	if (!max77693->haptic) {
	190	dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
	191	ret = -ENODEV;
	192	goto err_i2c_haptic;
	193	}
83871c00 CC	194	i2c_set_clientdata(max77693->haptic, max77693);
83871c00 CC	195
b186b124 CC	196	/*
	197	* Initialize register map for MUIC device because use regmap-muic
	198	* instance of MUIC device when irq of max77693 is initialized
	199	* before call max77693-muic probe() function.
	200	*/
	201	max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
75ad1327	202	&max77693_regmap_muic_config);
b186b124 CC	203	if (IS_ERR(max77693->regmap_muic)) {
	204	ret = PTR_ERR(max77693->regmap_muic);
	205	dev_err(max77693->dev,
	206	"failed to allocate register map: %d\n", ret);
2429d863	207	goto err_regmap_muic;
b186b124 CC	208	}
b186b124 CC	209
342d669c RB	210	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	211	IRQF_ONESHOT \| IRQF_SHARED \|
	212	IRQF_TRIGGER_FALLING, 0,
	213	&max77693_led_irq_chip,
	214	&max77693->irq_data_led);
	215	if (ret) {
	216	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	217	goto err_regmap_muic;
	218	}
	219
	220	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	221	IRQF_ONESHOT \| IRQF_SHARED \|
	222	IRQF_TRIGGER_FALLING, 0,
	223	&max77693_topsys_irq_chip,
	224	&max77693->irq_data_topsys);
	225	if (ret) {
	226	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	227	goto err_irq_topsys;
	228	}
	229
	230	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	231	IRQF_ONESHOT \| IRQF_SHARED \|
	232	IRQF_TRIGGER_FALLING, 0,
	233	&max77693_charger_irq_chip,
	234	&max77693->irq_data_charger);
	235	if (ret) {
	236	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	237	goto err_irq_charger;
	238	}
	239
	240	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	241	IRQF_ONESHOT \| IRQF_SHARED \|
	242	IRQF_TRIGGER_FALLING, 0,
	243	&max77693_muic_irq_chip,
	244	&max77693->irq_data_muic);
	245	if (ret) {
	246	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	247	goto err_irq_muic;
	248	}
6592ebb3	249
83871c00 CC	250	pm_runtime_set_active(max77693->dev);
	251
	252	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
0848c94f	253	ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
83871c00 CC	254	if (ret < 0)
	255	goto err_mfd;
	256
	257	return ret;
	258
	259	err_mfd:
342d669c RB	260	mfd_remove_devices(max77693->dev);
	261	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
	262	err_irq_muic:
	263	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
	264	err_irq_charger:
	265	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	266	err_irq_topsys:
	267	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
2429d863	268	err_regmap_muic:
83871c00	269	i2c_unregister_device(max77693->haptic);
ad09dd6a KK	270	err_i2c_haptic:
ad09dd6a KK	271	i2c_unregister_device(max77693->muic);
83871c00 CC	272	return ret;
	273	}
	274
	275	static int max77693_i2c_remove(struct i2c_client *i2c)
	276	{
	277	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	278
	279	mfd_remove_devices(max77693->dev);
342d669c RB	280
	281	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
	282	regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
	283	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	284	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
	285
83871c00 CC	286	i2c_unregister_device(max77693->muic);
	287	i2c_unregister_device(max77693->haptic);
	288
	289	return 0;
	290	}
	291
	292	static const struct i2c_device_id max77693_i2c_id[] = {
	293	{ "max77693", TYPE_MAX77693 },
	294	{ }
	295	};
	296	MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);
	297
6592ebb3 CC	298	static int max77693_suspend(struct device *dev)
	299	{
	300	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	301	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	302
342d669c RB	303	if (device_may_wakeup(dev)) {
	304	enable_irq_wake(max77693->irq);
	305	disable_irq(max77693->irq);
	306	}
	307
6592ebb3 CC	308	return 0;
	309	}
	310
	311	static int max77693_resume(struct device *dev)
	312	{
	313	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
	314	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	315
342d669c RB	316	if (device_may_wakeup(dev)) {
	317	disable_irq_wake(max77693->irq);
	318	enable_irq(max77693->irq);
	319	}
	320
	321	return 0;
6592ebb3 CC	322	}
6592ebb3 CC	323
12477a32	324	static const struct dev_pm_ops max77693_pm = {
6592ebb3 CC	325	.suspend = max77693_suspend,
	326	.resume = max77693_resume,
	327	};
	328
4657185c	329	#ifdef CONFIG_OF
5ce9a55b	330	static const struct of_device_id max77693_dt_match[] = {
4657185c AH	331	{ .compatible = "maxim,max77693" },
	332	{},
	333	};
	334	#endif
	335
83871c00 CC	336	static struct i2c_driver max77693_i2c_driver = {
	337	.driver = {
	338	.name = "max77693",
	339	.owner = THIS_MODULE,
6592ebb3	340	.pm = &max77693_pm,
4657185c	341	.of_match_table = of_match_ptr(max77693_dt_match),
83871c00 CC	342	},
	343	.probe = max77693_i2c_probe,
	344	.remove = max77693_i2c_remove,
	345	.id_table = max77693_i2c_id,
	346	};
	347
	348	static int __init max77693_i2c_init(void)
	349	{
	350	return i2c_add_driver(&max77693_i2c_driver);
	351	}
	352	/* init early so consumer devices can complete system boot */
	353	subsys_initcall(max77693_i2c_init);
	354
	355	static void __exit max77693_i2c_exit(void)
	356	{
	357	i2c_del_driver(&max77693_i2c_driver);
	358	}
	359	module_exit(max77693_i2c_exit);
	360
	361	MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
	362	MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
	363	MODULE_LICENSE("GPL");