diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index c8121fcf198df0d99c8afae0cf5c6d777c3a233b..3da77766961e7f717f661263d53bbc0368f6696c 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -16,6 +16,9 @@
 #include <linux/input.h>
 #include <linux/pwm_backlight.h>
 #include <linux/gpio_keys.h>
+#include <linux/i2c.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/max8997.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -78,6 +81,378 @@ static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = {
 	},
 };
 
+static struct regulator_consumer_supply __initdata ldo3_consumer[] = {
+	REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */
+};
+static struct regulator_consumer_supply __initdata ldo6_consumer[] = {
+	REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */
+};
+static struct regulator_consumer_supply __initdata ldo7_consumer[] = {
+	REGULATOR_SUPPLY("avdd", "alc5625"), /* Realtek ALC5625 */
+};
+static struct regulator_consumer_supply __initdata ldo8_consumer[] = {
+	REGULATOR_SUPPLY("vdd", "s5p-adc"), /* ADC */
+};
+static struct regulator_consumer_supply __initdata ldo9_consumer[] = {
+	REGULATOR_SUPPLY("dvdd", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */
+};
+static struct regulator_consumer_supply __initdata ldo11_consumer[] = {
+	REGULATOR_SUPPLY("dvdd", "alc5625"), /* Realtek ALC5625 */
+};
+static struct regulator_consumer_supply __initdata ldo14_consumer[] = {
+	REGULATOR_SUPPLY("avdd18", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */
+};
+static struct regulator_consumer_supply __initdata ldo17_consumer[] = {
+	REGULATOR_SUPPLY("vdd33", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */
+};
+static struct regulator_consumer_supply __initdata buck1_consumer[] = {
+	REGULATOR_SUPPLY("vdd_arm", NULL), /* CPUFREQ */
+};
+static struct regulator_consumer_supply __initdata buck2_consumer[] = {
+	REGULATOR_SUPPLY("vdd_int", NULL), /* CPUFREQ */
+};
+static struct regulator_consumer_supply __initdata buck3_consumer[] = {
+	REGULATOR_SUPPLY("vdd_g3d", "mali_drm"), /* G3D */
+};
+static struct regulator_consumer_supply __initdata buck7_consumer[] = {
+	REGULATOR_SUPPLY("vcc", "platform-lcd"), /* LCD */
+};
+
+static struct regulator_init_data __initdata max8997_ldo1_data = {
+	.constraints	= {
+		.name		= "VDD_ABB_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_ldo2_data	= {
+	.constraints	= {
+		.name		= "VDD_ALIVE_1.1V",
+		.min_uV		= 1100000,
+		.max_uV		= 1100000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.enabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_ldo3_data = {
+	.constraints	= {
+		.name		= "VMIPI_1.1V",
+		.min_uV		= 1100000,
+		.max_uV		= 1100000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo3_consumer),
+	.consumer_supplies	= ldo3_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo4_data = {
+	.constraints	= {
+		.name		= "VDD_RTC_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_ldo6_data = {
+	.constraints	= {
+		.name		= "VMIPI_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo6_consumer),
+	.consumer_supplies	= ldo6_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo7_data = {
+	.constraints	= {
+		.name		= "VDD_AUD_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo7_consumer),
+	.consumer_supplies	= ldo7_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo8_data = {
+	.constraints	= {
+		.name		= "VADC_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo8_consumer),
+	.consumer_supplies	= ldo8_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo9_data = {
+	.constraints	= {
+		.name		= "DVDD_SWB_2.8V",
+		.min_uV		= 2800000,
+		.max_uV		= 2800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo9_consumer),
+	.consumer_supplies	= ldo9_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo10_data = {
+	.constraints	= {
+		.name		= "VDD_PLL_1.1V",
+		.min_uV		= 1100000,
+		.max_uV		= 1100000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_ldo11_data = {
+	.constraints	= {
+		.name		= "VDD_AUD_3V",
+		.min_uV		= 3000000,
+		.max_uV		= 3000000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo11_consumer),
+	.consumer_supplies	= ldo11_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo14_data = {
+	.constraints	= {
+		.name		= "AVDD18_SWB_1.8V",
+		.min_uV		= 1800000,
+		.max_uV		= 1800000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo14_consumer),
+	.consumer_supplies	= ldo14_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo17_data = {
+	.constraints	= {
+		.name		= "VDD_SWB_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(ldo17_consumer),
+	.consumer_supplies	= ldo17_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_ldo21_data = {
+	.constraints	= {
+		.name		= "VDD_MIF_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_buck1_data = {
+	.constraints	= {
+		.name		= "VDD_ARM_1.2V",
+		.min_uV		= 950000,
+		.max_uV		= 1350000,
+		.always_on	= 1,
+		.boot_on	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(buck1_consumer),
+	.consumer_supplies	= buck1_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_buck2_data = {
+	.constraints	= {
+		.name		= "VDD_INT_1.1V",
+		.min_uV		= 900000,
+		.max_uV		= 1100000,
+		.always_on	= 1,
+		.boot_on	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(buck2_consumer),
+	.consumer_supplies	= buck2_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_buck3_data = {
+	.constraints	= {
+		.name		= "VDD_G3D_1.1V",
+		.min_uV		= 900000,
+		.max_uV		= 1100000,
+		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
+					REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(buck3_consumer),
+	.consumer_supplies	= buck3_consumer,
+};
+
+static struct regulator_init_data __initdata max8997_buck5_data = {
+	.constraints	= {
+		.name		= "VDDQ_M1M2_1.2V",
+		.min_uV		= 1200000,
+		.max_uV		= 1200000,
+		.apply_uV	= 1,
+		.always_on	= 1,
+		.state_mem	= {
+			.disabled	= 1,
+		},
+	},
+};
+
+static struct regulator_init_data __initdata max8997_buck7_data = {
+	.constraints	= {
+		.name		= "VDD_LCD_3.3V",
+		.min_uV		= 3300000,
+		.max_uV		= 3300000,
+		.boot_on	= 1,
+		.apply_uV	= 1,
+		.valid_ops_mask	= REGULATOR_CHANGE_STATUS,
+		.state_mem	= {
+			.disabled	= 1
+		},
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(buck7_consumer),
+	.consumer_supplies	= buck7_consumer,
+};
+
+static struct max8997_regulator_data __initdata origen_max8997_regulators[] = {
+	{ MAX8997_LDO1,		&max8997_ldo1_data },
+	{ MAX8997_LDO2,		&max8997_ldo2_data },
+	{ MAX8997_LDO3,		&max8997_ldo3_data },
+	{ MAX8997_LDO4,		&max8997_ldo4_data },
+	{ MAX8997_LDO6,		&max8997_ldo6_data },
+	{ MAX8997_LDO7,		&max8997_ldo7_data },
+	{ MAX8997_LDO8,		&max8997_ldo8_data },
+	{ MAX8997_LDO9,		&max8997_ldo9_data },
+	{ MAX8997_LDO10,	&max8997_ldo10_data },
+	{ MAX8997_LDO11,	&max8997_ldo11_data },
+	{ MAX8997_LDO14,	&max8997_ldo14_data },
+	{ MAX8997_LDO17,	&max8997_ldo17_data },
+	{ MAX8997_LDO21,	&max8997_ldo21_data },
+	{ MAX8997_BUCK1,	&max8997_buck1_data },
+	{ MAX8997_BUCK2,	&max8997_buck2_data },
+	{ MAX8997_BUCK3,	&max8997_buck3_data },
+	{ MAX8997_BUCK5,	&max8997_buck5_data },
+	{ MAX8997_BUCK7,	&max8997_buck7_data },
+};
+
+struct max8997_platform_data __initdata origen_max8997_pdata = {
+	.num_regulators = ARRAY_SIZE(origen_max8997_regulators),
+	.regulators	= origen_max8997_regulators,
+
+	.wakeup	= true,
+	.buck1_gpiodvs	= false,
+	.buck2_gpiodvs	= false,
+	.buck5_gpiodvs	= false,
+	.irq_base	= IRQ_GPIO_END + 1,
+
+	.ignore_gpiodvs_side_effect = true,
+	.buck125_default_idx = 0x0,
+
+	.buck125_gpios[0]	= EXYNOS4_GPX0(0),
+	.buck125_gpios[1]	= EXYNOS4_GPX0(1),
+	.buck125_gpios[2]	= EXYNOS4_GPX0(2),
+
+	.buck1_voltage[0]	= 1350000,
+	.buck1_voltage[1]	= 1300000,
+	.buck1_voltage[2]	= 1250000,
+	.buck1_voltage[3]	= 1200000,
+	.buck1_voltage[4]	= 1150000,
+	.buck1_voltage[5]	= 1100000,
+	.buck1_voltage[6]	= 1000000,
+	.buck1_voltage[7]	= 950000,
+
+	.buck2_voltage[0]	= 1100000,
+	.buck2_voltage[1]	= 1100000,
+	.buck2_voltage[2]	= 1100000,
+	.buck2_voltage[3]	= 1100000,
+	.buck2_voltage[4]	= 1000000,
+	.buck2_voltage[5]	= 1000000,
+	.buck2_voltage[6]	= 1000000,
+	.buck2_voltage[7]	= 1000000,
+
+	.buck5_voltage[0]	= 1200000,
+	.buck5_voltage[1]	= 1200000,
+	.buck5_voltage[2]	= 1200000,
+	.buck5_voltage[3]	= 1200000,
+	.buck5_voltage[4]	= 1200000,
+	.buck5_voltage[5]	= 1200000,
+	.buck5_voltage[6]	= 1200000,
+	.buck5_voltage[7]	= 1200000,
+};
+
+/* I2C0 */
+static struct i2c_board_info i2c0_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("max8997", (0xCC >> 1)),
+		.platform_data	= &origen_max8997_pdata,
+		.irq		= IRQ_EINT(4),
+	},
+};
+
 static struct s3c_sdhci_platdata origen_hsmmc0_pdata __initdata = {
 	.cd_type		= S3C_SDHCI_CD_INTERNAL,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
@@ -155,6 +530,7 @@ static struct platform_device origen_device_gpiokeys = {
 };
 
 static struct platform_device *origen_devices[] __initdata = {
+	&s3c_device_i2c0,
 	&s3c_device_hsmmc2,
 	&s3c_device_hsmmc0,
 	&s3c_device_rtc,
@@ -172,13 +548,13 @@ static struct platform_device *origen_devices[] __initdata = {
 
 /* LCD Backlight data */
 static struct samsung_bl_gpio_info origen_bl_gpio_info = {
-	.no = EXYNOS4_GPD0(0),
-	.func = S3C_GPIO_SFN(2),
+	.no		= EXYNOS4_GPD0(0),
+	.func		= S3C_GPIO_SFN(2),
 };
 
 static struct platform_pwm_backlight_data origen_bl_data = {
-	.pwm_id = 0,
-	.pwm_period_ns = 1000,
+	.pwm_id		= 0,
+	.pwm_period_ns	= 1000,
 };
 
 static void __init origen_map_io(void)
@@ -188,8 +564,20 @@ static void __init origen_map_io(void)
 	s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
 }
 
+static void __init origen_power_init(void)
+{
+	gpio_request(EXYNOS4_GPX0(4), "PMIC_IRQ");
+	s3c_gpio_cfgpin(EXYNOS4_GPX0(4), S3C_GPIO_SFN(0xf));
+	s3c_gpio_setpull(EXYNOS4_GPX0(4), S3C_GPIO_PULL_NONE);
+}
+
 static void __init origen_machine_init(void)
 {
+	origen_power_init();
+
+	s3c_i2c0_set_platdata(NULL);
+	i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
+
 	/*
 	 * Since sdhci instance 2 can contain a bootable media,
 	 * sdhci instance 0 is registered after instance 2.