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

// SPDX-License-Identifier: GPL-2.0+
//
// max77693.c - mfd core driver for the MAX 77693
//
// Copyright (C) 2012 Samsung Electronics
// SangYoung Son <hello.son@samsung.com>
//
// This program is not provided / owned by Maxim Integrated Products.
//
// 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-common.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",
		.of_compatible = "maxim,max77693-muic",
	},
	{
		.name = "max77693-haptic",
		.of_compatible = "maxim,max77693-haptic",
	},
	{
		.name = "max77693-led",
		.of_compatible = "maxim,max77693-led",
	},
};

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->i2c_muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
	if (!max77693->i2c_muic) {
		dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
		return -ENODEV;
	}
	i2c_set_clientdata(max77693->i2c_muic, max77693);

	max77693->i2c_haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
	if (!max77693->i2c_haptic) {
		dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
		ret = -ENODEV;
		goto err_i2c_haptic;
	}
	i2c_set_clientdata(max77693->i2c_haptic, max77693);

	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_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->i2c_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_chg);
	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_chg);
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->i2c_haptic);
err_i2c_haptic:
	i2c_unregister_device(max77693->i2c_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_chg);
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);

	i2c_unregister_device(max77693->i2c_muic);
	i2c_unregister_device(max77693->i2c_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 = to_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 = to_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" },
	{},
};
MODULE_DEVICE_TABLE(of, max77693_dt_match);
#endif

static struct i2c_driver max77693_i2c_driver = {
	.driver = {
		   .name = "max77693",
		   .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,
};

module_i2c_driver(max77693_i2c_driver);

MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
d7d8d7a2 KK	1	// SPDX-License-Identifier: GPL-2.0+
	2	//
	3	// max77693.c - mfd core driver for the MAX 77693
	4	//
	5	// Copyright (C) 2012 Samsung Electronics
	6	// SangYoung Son <hello.son@samsung.com>
	7	//
	8	// This program is not provided / owned by Maxim Integrated Products.
	9	//
	10	// This driver is based on max8997.c
83871c00 CC	11
	12	#include <linux/module.h>
	13	#include <linux/slab.h>
	14	#include <linux/i2c.h>
	15	#include <linux/err.h>
	16	#include <linux/interrupt.h>
71c7f93e	17	#include <linux/of.h>
83871c00 CC	18	#include <linux/pm_runtime.h>
	19	#include <linux/mutex.h>
	20	#include <linux/mfd/core.h>
	21	#include <linux/mfd/max77693.h>
61b305cd	22	#include <linux/mfd/max77693-common.h>
83871c00 CC	23	#include <linux/mfd/max77693-private.h>
	24	#include <linux/regulator/machine.h>
	25	#include <linux/regmap.h>
	26
	27	#define I2C_ADDR_PMIC (0xCC >> 1) /* Charger, Flash LED */
	28	#define I2C_ADDR_MUIC (0x4A >> 1)
	29	#define I2C_ADDR_HAPTIC (0x90 >> 1)
	30
7c0517b1	31	static const struct mfd_cell max77693_devs[] = {
83871c00	32	{ .name = "max77693-pmic", },
efa3ca41 KK	33	{
	34	.name = "max77693-charger",
	35	.of_compatible = "maxim,max77693-charger",
	36	},
4589515a MP	37	{
	38	.name = "max77693-muic",
	39	.of_compatible = "maxim,max77693-muic",
	40	},
d1bafd78 JK	41	{
	42	.name = "max77693-haptic",
	43	.of_compatible = "maxim,max77693-haptic",
	44	},
a0bc6072	45	{
224995d7 JA	46	.name = "max77693-led",
224995d7 JA	47	.of_compatible = "maxim,max77693-led",
a0bc6072	48	},
83871c00 CC	49	};
83871c00 CC	50
83871c00 CC	51	static const struct regmap_config max77693_regmap_config = {
	52	.reg_bits = 8,
	53	.val_bits = 8,
	54	.max_register = MAX77693_PMIC_REG_END,
	55	};
	56
342d669c RB	57	static const struct regmap_irq max77693_led_irqs[] = {
	58	{ .mask = LED_IRQ_FLED2_OPEN, },
	59	{ .mask = LED_IRQ_FLED2_SHORT, },
	60	{ .mask = LED_IRQ_FLED1_OPEN, },
	61	{ .mask = LED_IRQ_FLED1_SHORT, },
	62	{ .mask = LED_IRQ_MAX_FLASH, },
	63	};
	64
	65	static const struct regmap_irq_chip max77693_led_irq_chip = {
	66	.name = "max77693-led",
	67	.status_base = MAX77693_LED_REG_FLASH_INT,
	68	.mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
	69	.mask_invert = false,
	70	.num_regs = 1,
	71	.irqs = max77693_led_irqs,
	72	.num_irqs = ARRAY_SIZE(max77693_led_irqs),
	73	};
	74
	75	static const struct regmap_irq max77693_topsys_irqs[] = {
	76	{ .mask = TOPSYS_IRQ_T120C_INT, },
	77	{ .mask = TOPSYS_IRQ_T140C_INT, },
	78	{ .mask = TOPSYS_IRQ_LOWSYS_INT, },
	79	};
	80
	81	static const struct regmap_irq_chip max77693_topsys_irq_chip = {
	82	.name = "max77693-topsys",
	83	.status_base = MAX77693_PMIC_REG_TOPSYS_INT,
	84	.mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
	85	.mask_invert = false,
	86	.num_regs = 1,
	87	.irqs = max77693_topsys_irqs,
	88	.num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
	89	};
	90
	91	static const struct regmap_irq max77693_charger_irqs[] = {
	92	{ .mask = CHG_IRQ_BYP_I, },
	93	{ .mask = CHG_IRQ_THM_I, },
	94	{ .mask = CHG_IRQ_BAT_I, },
	95	{ .mask = CHG_IRQ_CHG_I, },
	96	{ .mask = CHG_IRQ_CHGIN_I, },
	97	};
	98
	99	static const struct regmap_irq_chip max77693_charger_irq_chip = {
	100	.name = "max77693-charger",
	101	.status_base = MAX77693_CHG_REG_CHG_INT,
	102	.mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
	103	.mask_invert = false,
	104	.num_regs = 1,
	105	.irqs = max77693_charger_irqs,
	106	.num_irqs = ARRAY_SIZE(max77693_charger_irqs),
	107	};
	108
75ad1327 KK	109	static const struct regmap_config max77693_regmap_muic_config = {
	110	.reg_bits = 8,
	111	.val_bits = 8,
	112	.max_register = MAX77693_MUIC_REG_END,
	113	};
	114
342d669c RB	115	static const struct regmap_irq max77693_muic_irqs[] = {
	116	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
	117	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
	118	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
	119	{ .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
	120
	121	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
	122	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
	123	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
	124	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
	125	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
	126	{ .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
	127
	128	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
	129	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
	130	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
	131	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
	132	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
	133	{ .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
	134	};
	135
	136	static const struct regmap_irq_chip max77693_muic_irq_chip = {
	137	.name = "max77693-muic",
	138	.status_base = MAX77693_MUIC_REG_INT1,
	139	.mask_base = MAX77693_MUIC_REG_INTMASK1,
	140	.mask_invert = true,
	141	.num_regs = 3,
	142	.irqs = max77693_muic_irqs,
	143	.num_irqs = ARRAY_SIZE(max77693_muic_irqs),
	144	};
	145
efbf4922 JK	146	static const struct regmap_config max77693_regmap_haptic_config = {
	147	.reg_bits = 8,
	148	.val_bits = 8,
	149	.max_register = MAX77693_HAPTIC_REG_END,
	150	};
	151
83871c00 CC	152	static int max77693_i2c_probe(struct i2c_client *i2c,
	153	const struct i2c_device_id *id)
	154	{
	155	struct max77693_dev *max77693;
d0540f91	156	unsigned int reg_data;
83871c00 CC	157	int ret = 0;
	158
	159	max77693 = devm_kzalloc(&i2c->dev,
	160	sizeof(struct max77693_dev), GFP_KERNEL);
	161	if (max77693 == NULL)
	162	return -ENOMEM;
	163
83871c00 CC	164	i2c_set_clientdata(i2c, max77693);
	165	max77693->dev = &i2c->dev;
	166	max77693->i2c = i2c;
	167	max77693->irq = i2c->irq;
	168	max77693->type = id->driver_data;
	169
2429d863 AL	170	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
	171	if (IS_ERR(max77693->regmap)) {
	172	ret = PTR_ERR(max77693->regmap);
	173	dev_err(max77693->dev, "failed to allocate register map: %d\n",
	174	ret);
	175	return ret;
	176	}
83871c00	177
d0540f91	178	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
2429d863 AL	179	&reg_data);
2429d863 AL	180	if (ret < 0) {
83871c00	181	dev_err(max77693->dev, "device not found on this channel\n");
2429d863	182	return ret;
83871c00 CC	183	} else
	184	dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
	185
61b305cd KK	186	max77693->i2c_muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
61b305cd KK	187	if (!max77693->i2c_muic) {
ad09dd6a KK	188	dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
	189	return -ENODEV;
	190	}
61b305cd	191	i2c_set_clientdata(max77693->i2c_muic, max77693);
83871c00	192
61b305cd KK	193	max77693->i2c_haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
61b305cd KK	194	if (!max77693->i2c_haptic) {
ad09dd6a KK	195	dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
	196	ret = -ENODEV;
	197	goto err_i2c_haptic;
	198	}
61b305cd	199	i2c_set_clientdata(max77693->i2c_haptic, max77693);
83871c00	200
61b305cd	201	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_haptic,
efbf4922 JK	202	&max77693_regmap_haptic_config);
	203	if (IS_ERR(max77693->regmap_haptic)) {
	204	ret = PTR_ERR(max77693->regmap_haptic);
	205	dev_err(max77693->dev,
	206	"failed to initialize haptic register map: %d\n", ret);
	207	goto err_regmap;
	208	}
	209
b186b124 CC	210	/*
	211	* Initialize register map for MUIC device because use regmap-muic
	212	* instance of MUIC device when irq of max77693 is initialized
	213	* before call max77693-muic probe() function.
	214	*/
61b305cd	215	max77693->regmap_muic = devm_regmap_init_i2c(max77693->i2c_muic,
75ad1327	216	&max77693_regmap_muic_config);
b186b124 CC	217	if (IS_ERR(max77693->regmap_muic)) {
	218	ret = PTR_ERR(max77693->regmap_muic);
	219	dev_err(max77693->dev,
	220	"failed to allocate register map: %d\n", ret);
efbf4922	221	goto err_regmap;
b186b124 CC	222	}
b186b124 CC	223
342d669c RB	224	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	225	IRQF_ONESHOT \| IRQF_SHARED \|
	226	IRQF_TRIGGER_FALLING, 0,
	227	&max77693_led_irq_chip,
	228	&max77693->irq_data_led);
	229	if (ret) {
	230	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
efbf4922	231	goto err_regmap;
342d669c RB	232	}
	233
	234	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	235	IRQF_ONESHOT \| IRQF_SHARED \|
	236	IRQF_TRIGGER_FALLING, 0,
	237	&max77693_topsys_irq_chip,
	238	&max77693->irq_data_topsys);
	239	if (ret) {
	240	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	241	goto err_irq_topsys;
	242	}
	243
	244	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
	245	IRQF_ONESHOT \| IRQF_SHARED \|
	246	IRQF_TRIGGER_FALLING, 0,
	247	&max77693_charger_irq_chip,
61b305cd	248	&max77693->irq_data_chg);
342d669c RB	249	if (ret) {
	250	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	251	goto err_irq_charger;
	252	}
	253
43fc9396	254	ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,
342d669c RB	255	IRQF_ONESHOT \| IRQF_SHARED \|
	256	IRQF_TRIGGER_FALLING, 0,
	257	&max77693_muic_irq_chip,
	258	&max77693->irq_data_muic);
	259	if (ret) {
	260	dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
	261	goto err_irq_muic;
	262	}
6592ebb3	263
c0acb814 KK	264	/* Unmask interrupts from all blocks in interrupt source register */
	265	ret = regmap_update_bits(max77693->regmap,
	266	MAX77693_PMIC_REG_INTSRC_MASK,
	267	SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL);
	268	if (ret < 0) {
	269	dev_err(max77693->dev,
	270	"Could not unmask interrupts in INTSRC: %d\n",
	271	ret);
	272	goto err_intsrc;
	273	}
	274
83871c00 CC	275	pm_runtime_set_active(max77693->dev);
	276
	277	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
0848c94f	278	ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
83871c00 CC	279	if (ret < 0)
	280	goto err_mfd;
	281
	282	return ret;
	283
	284	err_mfd:
342d669c	285	mfd_remove_devices(max77693->dev);
c0acb814	286	err_intsrc:
342d669c RB	287	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
342d669c RB	288	err_irq_muic:
61b305cd	289	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
342d669c RB	290	err_irq_charger:
	291	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	292	err_irq_topsys:
	293	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
efbf4922	294	err_regmap:
61b305cd	295	i2c_unregister_device(max77693->i2c_haptic);
ad09dd6a	296	err_i2c_haptic:
61b305cd	297	i2c_unregister_device(max77693->i2c_muic);
83871c00 CC	298	return ret;
	299	}
	300
	301	static int max77693_i2c_remove(struct i2c_client *i2c)
	302	{
	303	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
	304
	305	mfd_remove_devices(max77693->dev);
342d669c RB	306
342d669c RB	307	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
61b305cd	308	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);
342d669c RB	309	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
	310	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
	311
61b305cd KK	312	i2c_unregister_device(max77693->i2c_muic);
61b305cd KK	313	i2c_unregister_device(max77693->i2c_haptic);
83871c00 CC	314
	315	return 0;
	316	}
	317
	318	static const struct i2c_device_id max77693_i2c_id[] = {
	319	{ "max77693", TYPE_MAX77693 },
	320	{ }
	321	};
	322	MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);
	323
6592ebb3 CC	324	static int max77693_suspend(struct device *dev)
6592ebb3 CC	325	{
1b5420e1	326	struct i2c_client *i2c = to_i2c_client(dev);
6592ebb3 CC	327	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
6592ebb3 CC	328
342d669c RB	329	if (device_may_wakeup(dev)) {
	330	enable_irq_wake(max77693->irq);
	331	disable_irq(max77693->irq);
	332	}
	333
6592ebb3 CC	334	return 0;
	335	}
	336
	337	static int max77693_resume(struct device *dev)
	338	{
1b5420e1	339	struct i2c_client *i2c = to_i2c_client(dev);
6592ebb3 CC	340	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
6592ebb3 CC	341
342d669c RB	342	if (device_may_wakeup(dev)) {
	343	disable_irq_wake(max77693->irq);
	344	enable_irq(max77693->irq);
	345	}
	346
	347	return 0;
6592ebb3 CC	348	}
6592ebb3 CC	349
12477a32	350	static const struct dev_pm_ops max77693_pm = {
6592ebb3 CC	351	.suspend = max77693_suspend,
	352	.resume = max77693_resume,
	353	};
	354
4657185c	355	#ifdef CONFIG_OF
5ce9a55b	356	static const struct of_device_id max77693_dt_match[] = {
4657185c AH	357	{ .compatible = "maxim,max77693" },
	358	{},
	359	};
073d4aca	360	MODULE_DEVICE_TABLE(of, max77693_dt_match);
4657185c AH	361	#endif
4657185c AH	362
83871c00 CC	363	static struct i2c_driver max77693_i2c_driver = {
	364	.driver = {
	365	.name = "max77693",
6592ebb3	366	.pm = &max77693_pm,
4657185c	367	.of_match_table = of_match_ptr(max77693_dt_match),
83871c00 CC	368	},
	369	.probe = max77693_i2c_probe,
	370	.remove = max77693_i2c_remove,
	371	.id_table = max77693_i2c_id,
	372	};
	373
073d4aca	374	module_i2c_driver(max77693_i2c_driver);
83871c00 CC	375
	376	MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");
	377	MODULE_AUTHOR("SangYoung, Son <hello.son@samsung.com>");
	378	MODULE_LICENSE("GPL");