diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index f258c08..5948061 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -679,7 +679,8 @@ static int max8997_muic_probe(struct platform_device *pdev)
 		struct max8997_muic_irq *muic_irq = &muic_irqs[i];
 		unsigned int virq = 0;
 
-		virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq);
+		virq = regmap_irq_get_virq(max8997->irq_data_muic,
+					muic_irq->irq);
 		if (!virq) {
 			ret = -EINVAL;
 			goto err_irq;
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 2871a65..2273574 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -388,7 +388,7 @@ config MFD_MAX8997
 	depends on I2C=y
 	select MFD_CORE
 	select REGMAP_I2C
-	select IRQ_DOMAIN
+	select REGMAP_IRQ
 	help
 	  Say yes here to add support for Maxim Semiconductor MAX8997/8966.
 	  This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f5a7b2c..4cec8ad 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -119,7 +119,7 @@ obj-$(CONFIG_MFD_MAX77693)	+= max77693.o max77693-irq.o
 obj-$(CONFIG_MFD_MAX8907)	+= max8907.o
 max8925-objs			:= max8925-core.o max8925-i2c.o
 obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
-obj-$(CONFIG_MFD_MAX8997)	+= max8997.o max8997-irq.o
+obj-$(CONFIG_MFD_MAX8997)	+= max8997.o
 obj-$(CONFIG_MFD_MAX8998)	+= max8998.o max8998-irq.o
 
 pcf50633-objs			:= pcf50633-core.o pcf50633-irq.o
diff --git a/drivers/mfd/max8997-irq.c b/drivers/mfd/max8997-irq.c
deleted file mode 100644
index 0e7ff39..0000000
--- a/drivers/mfd/max8997-irq.c
+++ /dev/null
@@ -1,373 +0,0 @@
-/*
- * max8997-irq.c - Interrupt controller support for MAX8997
- *
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * MyungJoo Ham <myungjoo.ham@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.
- *
- * 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 max8998-irq.c
- */
-
-#include <linux/err.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/mfd/max8997.h>
-#include <linux/mfd/max8997-private.h>
-#include <linux/regmap.h>
-
-static const u8 max8997_mask_reg[] = {
-	[PMIC_INT1] = MAX8997_REG_INT1MSK,
-	[PMIC_INT2] = MAX8997_REG_INT2MSK,
-	[PMIC_INT3] = MAX8997_REG_INT3MSK,
-	[PMIC_INT4] = MAX8997_REG_INT4MSK,
-	[FUEL_GAUGE] = MAX8997_REG_INVALID,
-	[MUIC_INT1] = MAX8997_MUIC_REG_INTMASK1,
-	[MUIC_INT2] = MAX8997_MUIC_REG_INTMASK2,
-	[MUIC_INT3] = MAX8997_MUIC_REG_INTMASK3,
-	[GPIO_LOW] = MAX8997_REG_INVALID,
-	[GPIO_HI] = MAX8997_REG_INVALID,
-	[FLASH_STATUS] = MAX8997_REG_INVALID,
-};
-
-struct max8997_irq_data {
-	int mask;
-	enum max8997_irq_source group;
-};
-
-#define DECLARE_IRQ(idx, _group, _mask)		\
-	[(idx)] = { .group = (_group), .mask = (_mask) }
-static const struct max8997_irq_data max8997_irqs[] = {
-	DECLARE_IRQ(MAX8997_PMICIRQ_PWRONR,	PMIC_INT1, 1 << 0),
-	DECLARE_IRQ(MAX8997_PMICIRQ_PWRONF,	PMIC_INT1, 1 << 1),
-	DECLARE_IRQ(MAX8997_PMICIRQ_PWRON1SEC,	PMIC_INT1, 1 << 3),
-	DECLARE_IRQ(MAX8997_PMICIRQ_JIGONR,	PMIC_INT1, 1 << 4),
-	DECLARE_IRQ(MAX8997_PMICIRQ_JIGONF,	PMIC_INT1, 1 << 5),
-	DECLARE_IRQ(MAX8997_PMICIRQ_LOWBAT2,	PMIC_INT1, 1 << 6),
-	DECLARE_IRQ(MAX8997_PMICIRQ_LOWBAT1,	PMIC_INT1, 1 << 7),
-
-	DECLARE_IRQ(MAX8997_PMICIRQ_JIGR,	PMIC_INT2, 1 << 0),
-	DECLARE_IRQ(MAX8997_PMICIRQ_JIGF,	PMIC_INT2, 1 << 1),
-	DECLARE_IRQ(MAX8997_PMICIRQ_MR,		PMIC_INT2, 1 << 2),
-	DECLARE_IRQ(MAX8997_PMICIRQ_DVS1OK,	PMIC_INT2, 1 << 3),
-	DECLARE_IRQ(MAX8997_PMICIRQ_DVS2OK,	PMIC_INT2, 1 << 4),
-	DECLARE_IRQ(MAX8997_PMICIRQ_DVS3OK,	PMIC_INT2, 1 << 5),
-	DECLARE_IRQ(MAX8997_PMICIRQ_DVS4OK,	PMIC_INT2, 1 << 6),
-
-	DECLARE_IRQ(MAX8997_PMICIRQ_CHGINS,	PMIC_INT3, 1 << 0),
-	DECLARE_IRQ(MAX8997_PMICIRQ_CHGRM,	PMIC_INT3, 1 << 1),
-	DECLARE_IRQ(MAX8997_PMICIRQ_DCINOVP,	PMIC_INT3, 1 << 2),
-	DECLARE_IRQ(MAX8997_PMICIRQ_TOPOFFR,	PMIC_INT3, 1 << 3),
-	DECLARE_IRQ(MAX8997_PMICIRQ_CHGRSTF,	PMIC_INT3, 1 << 5),
-	DECLARE_IRQ(MAX8997_PMICIRQ_MBCHGTMEXPD,	PMIC_INT3, 1 << 7),
-
-	DECLARE_IRQ(MAX8997_PMICIRQ_RTC60S,	PMIC_INT4, 1 << 0),
-	DECLARE_IRQ(MAX8997_PMICIRQ_RTCA1,	PMIC_INT4, 1 << 1),
-	DECLARE_IRQ(MAX8997_PMICIRQ_RTCA2,	PMIC_INT4, 1 << 2),
-	DECLARE_IRQ(MAX8997_PMICIRQ_SMPL_INT,	PMIC_INT4, 1 << 3),
-	DECLARE_IRQ(MAX8997_PMICIRQ_RTC1S,	PMIC_INT4, 1 << 4),
-	DECLARE_IRQ(MAX8997_PMICIRQ_WTSR,	PMIC_INT4, 1 << 5),
-
-	DECLARE_IRQ(MAX8997_MUICIRQ_ADCError,	MUIC_INT1, 1 << 2),
-	DECLARE_IRQ(MAX8997_MUICIRQ_ADCLow,	MUIC_INT1, 1 << 1),
-	DECLARE_IRQ(MAX8997_MUICIRQ_ADC,	MUIC_INT1, 1 << 0),
-
-	DECLARE_IRQ(MAX8997_MUICIRQ_VBVolt,	MUIC_INT2, 1 << 4),
-	DECLARE_IRQ(MAX8997_MUICIRQ_DBChg,	MUIC_INT2, 1 << 3),
-	DECLARE_IRQ(MAX8997_MUICIRQ_DCDTmr,	MUIC_INT2, 1 << 2),
-	DECLARE_IRQ(MAX8997_MUICIRQ_ChgDetRun,	MUIC_INT2, 1 << 1),
-	DECLARE_IRQ(MAX8997_MUICIRQ_ChgTyp,	MUIC_INT2, 1 << 0),
-
-	DECLARE_IRQ(MAX8997_MUICIRQ_OVP,	MUIC_INT3, 1 << 2),
-};
-
-static void max8997_irq_lock(struct irq_data *data)
-{
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
-
-	mutex_lock(&max8997->irqlock);
-}
-
-static void max8997_irq_sync_unlock(struct irq_data *data)
-{
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
-	int i;
-
-	for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
-		struct regmap *map;
-		u8 mask_reg = max8997_mask_reg[i];
-
-		if (i >= MUIC_INT1 && i <= MUIC_INT3)
-			map = max8997->regmap_muic;
-		else
-			map = max8997->regmap;
-
-		if (mask_reg == MAX8997_REG_INVALID ||
-				IS_ERR_OR_NULL(map))
-			continue;
-		max8997->irq_masks_cache[i] = max8997->irq_masks_cur[i];
-
-		regmap_write(map, max8997_mask_reg[i],
-				max8997->irq_masks_cur[i]);
-	}
-
-	mutex_unlock(&max8997->irqlock);
-}
-
-static const inline struct max8997_irq_data *
-irq_to_max8997_irq(struct max8997_dev *max8997, int irq)
-{
-	struct irq_data *data = irq_get_irq_data(irq);
-	return &max8997_irqs[data->hwirq];
-}
-
-static void max8997_irq_mask(struct irq_data *data)
-{
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
-	const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
-								data->irq);
-
-	max8997->irq_masks_cur[irq_data->group] |= irq_data->mask;
-}
-
-static void max8997_irq_unmask(struct irq_data *data)
-{
-	struct max8997_dev *max8997 = irq_get_chip_data(data->irq);
-	const struct max8997_irq_data *irq_data = irq_to_max8997_irq(max8997,
-								data->irq);
-
-	max8997->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
-}
-
-static struct irq_chip max8997_irq_chip = {
-	.name			= "max8997",
-	.irq_bus_lock		= max8997_irq_lock,
-	.irq_bus_sync_unlock	= max8997_irq_sync_unlock,
-	.irq_mask		= max8997_irq_mask,
-	.irq_unmask		= max8997_irq_unmask,
-};
-
-#define MAX8997_IRQSRC_PMIC		(1 << 1)
-#define MAX8997_IRQSRC_FUELGAUGE	(1 << 2)
-#define MAX8997_IRQSRC_MUIC		(1 << 3)
-#define MAX8997_IRQSRC_GPIO		(1 << 4)
-#define MAX8997_IRQSRC_FLASH		(1 << 5)
-static irqreturn_t max8997_irq_thread(int irq, void *data)
-{
-	struct max8997_dev *max8997 = data;
-	u8 irq_reg[MAX8997_IRQ_GROUP_NR] = {};
-	unsigned int irq_src;
-	int ret;
-	int i, cur_irq;
-
-	ret = regmap_read(max8997->regmap, MAX8997_REG_INTSRC, &irq_src);
-	if (ret < 0) {
-		dev_err(max8997->dev, "Failed to read interrupt source: %d\n",
-				ret);
-		return IRQ_NONE;
-	}
-
-	if (irq_src & MAX8997_IRQSRC_PMIC) {
-		/* PMIC INT1 ~ INT4 */
-		regmap_bulk_read(max8997->regmap, MAX8997_REG_INT1,
-				&irq_reg[PMIC_INT1], 4);
-	}
-	if (irq_src & MAX8997_IRQSRC_FUELGAUGE) {
-		/*
-		 * TODO: FUEL GAUGE
-		 *
-		 * This is to be supported by Max17042 driver. When
-		 * an interrupt incurs here, it should be relayed to a
-		 * Max17042 device that is connected (probably by
-		 * platform-data). However, we do not have interrupt
-		 * handling in Max17042 driver currently. The Max17042 IRQ
-		 * driver should be ready to be used as a stand-alone device and
-		 * a Max8997-dependent device. Because it is not ready in
-		 * Max17042-side and it is not too critical in operating
-		 * Max8997, we do not implement this in initial releases.
-		 */
-		irq_reg[FUEL_GAUGE] = 0;
-	}
-	if (irq_src & MAX8997_IRQSRC_MUIC) {
-		/* MUIC INT1 ~ INT3 */
-		regmap_bulk_read(max8997->regmap_muic, MAX8997_MUIC_REG_INT1,
-				&irq_reg[MUIC_INT1], 3);
-	}
-	if (irq_src & MAX8997_IRQSRC_GPIO) {
-		/* GPIO Interrupt */
-		u8 gpio_info[MAX8997_NUM_GPIO];
-
-		irq_reg[GPIO_LOW] = 0;
-		irq_reg[GPIO_HI] = 0;
-
-		regmap_bulk_read(max8997->regmap, MAX8997_REG_GPIOCNTL1,
-				gpio_info, MAX8997_NUM_GPIO);
-		for (i = 0; i < MAX8997_NUM_GPIO; i++) {
-			bool interrupt = false;
-
-			switch (gpio_info[i] & MAX8997_GPIO_INT_MASK) {
-			case MAX8997_GPIO_INT_BOTH:
-				if (max8997->gpio_status[i] != gpio_info[i])
-					interrupt = true;
-				break;
-			case MAX8997_GPIO_INT_RISE:
-				if ((max8997->gpio_status[i] != gpio_info[i]) &&
-				    (gpio_info[i] & MAX8997_GPIO_DATA_MASK))
-					interrupt = true;
-				break;
-			case MAX8997_GPIO_INT_FALL:
-				if ((max8997->gpio_status[i] != gpio_info[i]) &&
-				    !(gpio_info[i] & MAX8997_GPIO_DATA_MASK))
-					interrupt = true;
-				break;
-			default:
-				break;
-			}
-
-			if (interrupt) {
-				if (i < 8)
-					irq_reg[GPIO_LOW] |= (1 << i);
-				else
-					irq_reg[GPIO_HI] |= (1 << (i - 8));
-			}
-
-		}
-	}
-	if (irq_src & MAX8997_IRQSRC_FLASH) {
-		/* Flash Status Interrupt */
-		unsigned int data;
-		ret = regmap_read(max8997->regmap,
-				MAX8997_REG_FLASHSTATUS, &data);
-		irq_reg[FLASH_STATUS] = data;
-	}
-
-	/* Apply masking */
-	for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++)
-		irq_reg[i] &= ~max8997->irq_masks_cur[i];
-
-	/* Report */
-	for (i = 0; i < MAX8997_IRQ_NR; i++) {
-		if (irq_reg[max8997_irqs[i].group] & max8997_irqs[i].mask) {
-			cur_irq = irq_find_mapping(max8997->irq_domain, i);
-			if (cur_irq)
-				handle_nested_irq(cur_irq);
-		}
-	}
-
-	return IRQ_HANDLED;
-}
-
-int max8997_irq_resume(struct max8997_dev *max8997)
-{
-	if (max8997->irq && max8997->irq_domain)
-		max8997_irq_thread(0, max8997);
-	return 0;
-}
-
-static int max8997_irq_domain_map(struct irq_domain *d, unsigned int irq,
-					irq_hw_number_t hw)
-{
-	struct max8997_dev *max8997 = d->host_data;
-
-	irq_set_chip_data(irq, max8997);
-	irq_set_chip_and_handler(irq, &max8997_irq_chip, handle_edge_irq);
-	irq_set_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
-	set_irq_flags(irq, IRQF_VALID);
-#else
-	irq_set_noprobe(irq);
-#endif
-	return 0;
-}
-
-static struct irq_domain_ops max8997_irq_domain_ops = {
-	.map = max8997_irq_domain_map,
-};
-
-int max8997_irq_init(struct max8997_dev *max8997)
-{
-	struct irq_domain *domain;
-	int i;
-	int ret;
-	unsigned int val;
-
-	if (!max8997->irq) {
-		dev_warn(max8997->dev, "No interrupt specified.\n");
-		return 0;
-	}
-
-	mutex_init(&max8997->irqlock);
-
-	/* Mask individual interrupt sources */
-	for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++) {
-		max8997->irq_masks_cur[i] = 0xff;
-		max8997->irq_masks_cache[i] = 0xff;
-
-		if (IS_ERR_OR_NULL(max8997->regmap))
-			continue;
-		if (max8997_mask_reg[i] == MAX8997_REG_INVALID)
-			continue;
-
-		regmap_write(max8997->regmap, max8997_mask_reg[i], 0xff);
-	}
-
-	for (i = 0; i < MAX8997_NUM_GPIO; i++) {
-		max8997->gpio_status[i] = (regmap_read(max8997->regmap,
-						MAX8997_REG_GPIOCNTL1 + i,
-						&val)
-					& MAX8997_GPIO_DATA_MASK) ?
-					true : false;
-	}
-
-	domain = irq_domain_add_linear(NULL, MAX8997_IRQ_NR,
-					&max8997_irq_domain_ops, max8997);
-	if (!domain) {
-		dev_err(max8997->dev, "could not create irq domain\n");
-		return -ENODEV;
-	}
-	max8997->irq_domain = domain;
-
-	ret = request_threaded_irq(max8997->irq, NULL, max8997_irq_thread,
-			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-			"max8997-irq", max8997);
-
-	if (ret) {
-		dev_err(max8997->dev, "Failed to request IRQ %d: %d\n",
-				max8997->irq, ret);
-		return ret;
-	}
-
-	if (!max8997->ono)
-		return 0;
-
-	ret = request_threaded_irq(max8997->ono, NULL, max8997_irq_thread,
-			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
-			IRQF_ONESHOT, "max8997-ono", max8997);
-
-	if (ret)
-		dev_err(max8997->dev, "Failed to request ono-IRQ %d: %d\n",
-				max8997->ono, ret);
-
-	return 0;
-}
-
-void max8997_irq_exit(struct max8997_dev *max8997)
-{
-	if (max8997->ono)
-		free_irq(max8997->ono, max8997);
-
-	if (max8997->irq)
-		free_irq(max8997->irq, max8997);
-}
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 782d7c9..5a35b3f 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -64,6 +64,49 @@ static const struct regmap_config max8997_regmap_config = {
 	.max_register = MAX8997_REG_PMIC_END,
 };
 
+static const struct regmap_irq max8997_irqs[] = {
+	/* PMIC_INT1 interrupts */
+	{ .reg_offset = 0, .mask = PMIC_INT1_PWRONR_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_PWRONF_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_PWRON1SEC_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_JIGONR_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_JIGONF_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_LOWBAT2_MASK, },
+	{ .reg_offset = 0, .mask = PMIC_INT1_LOWBAT1_MASK, },
+	/* PMIC_INT2 interrupts */
+	{ .reg_offset = 1, .mask = PMIC_INT2_JIGR_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_JIGF_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_MR_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_DVS1OK_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_DVS2OK_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_DVS3OK_MASK, },
+	{ .reg_offset = 1, .mask = PMIC_INT2_DVS4OK_MASK, },
+	/* PMIC_INT3 interrupts */
+	{ .reg_offset = 2, .mask = PMIC_INT3_CHGINS_MASK, },
+	{ .reg_offset = 2, .mask = PMIC_INT3_CHGRM_MASK, },
+	{ .reg_offset = 2, .mask = PMIC_INT3_DCINOVP_MASK, },
+	{ .reg_offset = 2, .mask = PMIC_INT3_TOPOFFR_MASK, },
+	{ .reg_offset = 2, .mask = PMIC_INT3_CHGRSTF_MASK, },
+	{ .reg_offset = 2, .mask = PMIC_INT3_MBCHGTMEXPD_MASK, },
+	/* PMIC_INT4 interrupts */
+	{ .reg_offset = 3, .mask = PMIC_INT4_RTC60S_MASK, },
+	{ .reg_offset = 3, .mask = PMIC_INT4_RTCA1_MASK, },
+	{ .reg_offset = 3, .mask = PMIC_INT4_RTCA2_MASK, },
+	{ .reg_offset = 3, .mask = PMIC_INT4_SMPL_INT_MASK, },
+	{ .reg_offset = 3, .mask = PMIC_INT4_RTC1S_MASK, },
+	{ .reg_offset = 3, .mask = PMIC_INT4_WTSR_MASK, },
+};
+
+static const struct regmap_irq_chip max8997_irq_chip = {
+	.name			= "max8997",
+	.status_base		= MAX8997_REG_INT1,
+	.mask_base		= MAX8997_REG_INT1MSK,
+	.mask_invert		= false,
+	.num_regs		= 4,
+	.irqs			= max8997_irqs,
+	.num_irqs		= ARRAY_SIZE(max8997_irqs),
+};
+
 static const struct regmap_config max8997_regmap_rtc_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -82,6 +125,31 @@ static const struct regmap_config max8997_regmap_muic_config = {
 	.max_register = MAX8997_MUIC_REG_END,
 };
 
+static const struct regmap_irq max8997_irqs_muic[] = {
+	/* MUIC_INT1 interrupts */
+	{ .reg_offset = 0, .mask = MUIC_INT1_ADC_MASK, },
+	{ .reg_offset = 0, .mask = MUIC_INT1_ADCLOW_MASK, },
+	{ .reg_offset = 0, .mask = MUIC_INT1_ADCERROR_MASK, },
+	/* MUIC_INT2 interrupts */
+	{ .reg_offset = 1, .mask = MUIC_INT2_CHGTYP_MASK, },
+	{ .reg_offset = 1, .mask = MUIC_INT2_CHGDETRUN_MASK, },
+	{ .reg_offset = 1, .mask = MUIC_INT2_DCDTMR_MASK, },
+	{ .reg_offset = 1, .mask = MUIC_INT2_DBCHG_MASK, },
+	{ .reg_offset = 1, .mask = MUIC_INT2_VBVOLT_MASK, },
+	/* MUIC_INT3 interrupts */
+	{ .reg_offset = 2, .mask = MUIC_INT3_OVP_MASK, },
+};
+
+static const struct regmap_irq_chip max8997_irq_chip_muic = {
+	.name			= "max8997-muic",
+	.status_base		= MAX8997_MUIC_REG_INT1,
+	.mask_base		= MAX8997_MUIC_REG_INTMASK1,
+	.mask_invert		= true,
+	.num_regs		= 3,
+	.irqs			= max8997_irqs_muic,
+	.num_irqs		= ARRAY_SIZE(max8997_irqs_muic),
+};
+
 /*
  * Only the common platform data elements for max8997 are parsed here from the
  * device tree. Other sub-modules of max8997 such as pmic, rtc and others have
@@ -214,9 +282,26 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
 		goto err_regmap;
 	}
 
-	pm_runtime_set_active(max8997->dev);
+	ret = regmap_add_irq_chip(max8997->regmap, max8997->irq,
+				IRQF_ONESHOT | IRQF_SHARED |
+				IRQF_TRIGGER_FALLING, 0,
+				&max8997_irq_chip, &max8997->irq_data);
+	if (ret) {
+		dev_err(max8997->dev, "failed to add irq chip: %d\n", ret);
+		goto err_regmap;
+	}
 
-	max8997_irq_init(max8997);
+	ret = regmap_add_irq_chip(max8997->regmap_muic, max8997->irq,
+				IRQF_ONESHOT | IRQF_SHARED |
+				IRQF_TRIGGER_FALLING, 0,
+				&max8997_irq_chip_muic,
+				&max8997->irq_data_muic);
+	if (ret) {
+		dev_err(max8997->dev, "failed to add irq chip: %d\n", ret);
+		goto err_irq_muic;
+	}
+
+	pm_runtime_set_active(max8997->dev);
 
 	ret = mfd_add_devices(max8997->dev, -1, max8997_devs,
 			ARRAY_SIZE(max8997_devs),
@@ -238,6 +323,9 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
 
 err_mfd:
 	mfd_remove_devices(max8997->dev);
+	regmap_del_irq_chip(max8997->irq, max8997->irq_data_muic);
+err_irq_muic:
+	regmap_del_irq_chip(max8997->irq, max8997->irq_data);
 err_regmap:
 	i2c_unregister_device(max8997->muic);
 err_i2c_muic:
@@ -252,6 +340,10 @@ static int max8997_i2c_remove(struct i2c_client *i2c)
 	struct max8997_dev *max8997 = i2c_get_clientdata(i2c);
 
 	mfd_remove_devices(max8997->dev);
+
+	regmap_del_irq_chip(max8997->irq, max8997->irq_data_muic);
+	regmap_del_irq_chip(max8997->irq, max8997->irq_data);
+
 	i2c_unregister_device(max8997->muic);
 	i2c_unregister_device(max8997->haptic);
 	i2c_unregister_device(max8997->rtc);
@@ -468,8 +560,11 @@ static int max8997_suspend(struct device *dev)
 	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
 	struct max8997_dev *max8997 = i2c_get_clientdata(i2c);
 
-	if (device_may_wakeup(dev))
-		irq_set_irq_wake(max8997->irq, 1);
+	if (device_may_wakeup(dev)) {
+		enable_irq_wake(max8997->irq);
+		disable_irq(max8997->irq);
+	}
+
 	return 0;
 }
 
@@ -478,9 +573,12 @@ static int max8997_resume(struct device *dev)
 	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
 	struct max8997_dev *max8997 = i2c_get_clientdata(i2c);
 
-	if (device_may_wakeup(dev))
-		irq_set_irq_wake(max8997->irq, 0);
-	return max8997_irq_resume(max8997);
+	if (device_may_wakeup(dev)) {
+		disable_irq_wake(max8997->irq);
+		enable_irq(max8997->irq);
+	}
+
+	return 0;
 }
 
 static const struct dev_pm_ops max8997_pm = {
diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c
index b866f7d5..22769ea 100644
--- a/drivers/rtc/rtc-max8997.c
+++ b/drivers/rtc/rtc-max8997.c
@@ -494,7 +494,7 @@ static int max8997_rtc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	virq = irq_create_mapping(max8997->irq_domain, MAX8997_PMICIRQ_RTCA1);
+	virq = regmap_irq_get_virq(max8997->irq_data, MAX8997_PMICIRQ_RTCA1);
 	if (!virq) {
 		dev_err(&pdev->dev, "Failed to create mapping alarm IRQ\n");
 		ret = -ENXIO;
diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h
index ea80ef8..f42ea22 100644
--- a/include/linux/mfd/max8997-private.h
+++ b/include/linux/mfd/max8997-private.h
@@ -333,6 +333,48 @@ enum max8997_irq_source {
 	MAX8997_IRQ_GROUP_NR,
 };
 
+#define PMIC_INT1_PWRONR_MASK		(0x1 << 0)
+#define PMIC_INT1_PWRONF_MASK		(0x1 << 1)
+#define PMIC_INT1_PWRON1SEC_MASK	(0x1 << 3)
+#define PMIC_INT1_JIGONR_MASK		(0x1 << 4)
+#define PMIC_INT1_JIGONF_MASK		(0x1 << 5)
+#define PMIC_INT1_LOWBAT2_MASK		(0x1 << 6)
+#define PMIC_INT1_LOWBAT1_MASK		(0x1 << 7)
+
+#define PMIC_INT2_JIGR_MASK		(0x1 << 0)
+#define PMIC_INT2_JIGF_MASK		(0x1 << 1)
+#define PMIC_INT2_MR_MASK		(0x1 << 2)
+#define PMIC_INT2_DVS1OK_MASK		(0x1 << 3)
+#define PMIC_INT2_DVS2OK_MASK		(0x1 << 4)
+#define PMIC_INT2_DVS3OK_MASK		(0x1 << 5)
+#define PMIC_INT2_DVS4OK_MASK		(0x1 << 6)
+
+#define PMIC_INT3_CHGINS_MASK		(0x1 << 0)
+#define PMIC_INT3_CHGRM_MASK		(0x1 << 1)
+#define PMIC_INT3_DCINOVP_MASK		(0x1 << 2)
+#define PMIC_INT3_TOPOFFR_MASK		(0x1 << 3)
+#define PMIC_INT3_CHGRSTF_MASK		(0x1 << 5)
+#define PMIC_INT3_MBCHGTMEXPD_MASK	(0x1 << 7)
+
+#define PMIC_INT4_RTC60S_MASK		(0x1 << 0)
+#define PMIC_INT4_RTCA1_MASK		(0x1 << 1)
+#define PMIC_INT4_RTCA2_MASK		(0x1 << 2)
+#define PMIC_INT4_SMPL_INT_MASK		(0x1 << 3)
+#define PMIC_INT4_RTC1S_MASK		(0x1 << 4)
+#define PMIC_INT4_WTSR_MASK		(0x1 << 5)
+
+#define MUIC_INT1_ADC_MASK		(0x1 << 0)
+#define MUIC_INT1_ADCLOW_MASK		(0x1 << 1)
+#define MUIC_INT1_ADCERROR_MASK		(0x1 << 2)
+
+#define MUIC_INT2_CHGTYP_MASK		(0x1 << 0)
+#define MUIC_INT2_CHGDETRUN_MASK	(0x1 << 1)
+#define MUIC_INT2_DCDTMR_MASK		(0x1 << 2)
+#define MUIC_INT2_DBCHG_MASK		(0x1 << 3)
+#define MUIC_INT2_VBVOLT_MASK		(0x1 << 4)
+
+#define MUIC_INT3_OVP_MASK		(0x1 << 2)
+
 enum max8997_irq {
 	MAX8997_PMICIRQ_PWRONR,
 	MAX8997_PMICIRQ_PWRONF,
@@ -364,19 +406,23 @@ enum max8997_irq {
 	MAX8997_PMICIRQ_RTC1S,
 	MAX8997_PMICIRQ_WTSR,
 
-	MAX8997_MUICIRQ_ADCError,
-	MAX8997_MUICIRQ_ADCLow,
+	MAX8997_PMICIRQ_NR,
+};
+
+enum max8997_irq_muic {
 	MAX8997_MUICIRQ_ADC,
+	MAX8997_MUICIRQ_ADCLow,
+	MAX8997_MUICIRQ_ADCError,
 
-	MAX8997_MUICIRQ_VBVolt,
-	MAX8997_MUICIRQ_DBChg,
-	MAX8997_MUICIRQ_DCDTmr,
-	MAX8997_MUICIRQ_ChgDetRun,
 	MAX8997_MUICIRQ_ChgTyp,
+	MAX8997_MUICIRQ_ChgDetRun,
+	MAX8997_MUICIRQ_DCDTmr,
+	MAX8997_MUICIRQ_DBChg,
+	MAX8997_MUICIRQ_VBVolt,
 
 	MAX8997_MUICIRQ_OVP,
 
-	MAX8997_IRQ_NR,
+	MAX8997_MUCIRQ_NR,
 };
 
 #define MAX8997_NUM_GPIO	12
@@ -397,9 +443,10 @@ struct max8997_dev {
 	struct regmap *regmap_haptic;
 	struct regmap *regmap_muic;
 
+	struct regmap_irq_chip_data *irq_data;
+	struct regmap_irq_chip_data *irq_data_muic;
 	int irq;
 	int ono;
-	struct irq_domain *irq_domain;
 	struct mutex irqlock;
 	int irq_masks_cur[MAX8997_IRQ_GROUP_NR];
 	int irq_masks_cache[MAX8997_IRQ_GROUP_NR];
