Merge branch 'master' of git://git.denx.de/u-boot-samsung

7 files changed, 85 insertions, 305 deletions

diff --git a/arch/arm/dts/exynos4210-trats.dts b/arch/arm/dts/exynos4210-trats.dts
index 69c0605..ac422e4 100644
--- a/arch/arm/dts/exynos4210-trats.dts
+++ b/arch/arm/dts/exynos4210-trats.dts
@@ -23,6 +23,7 @@
 		console = "/serial@13820000";
 		mmc0 = "/sdhci@12510000";
 		mmc2 = "/sdhci@12530000";
+		i2c8 = &i2c_fg;
 	};
 
 	fimd@11c00000 {
@@ -113,6 +114,14 @@
 	dwmmc@12550000 {
 		status = "disabled";
 	};
+
+	i2c_fg: fuel-gauge {
+		compatible = "i2c-gpio";
+		gpios = <&gpy4 1 0>,	/* sda */
+			<&gpy4 0 0>;	/* scl */
+		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+		status = "okay";
+	};
 };
 
 &i2c_5 {
diff --git a/arch/arm/dts/exynos4412-odroid.dts b/arch/arm/dts/exynos4412-odroid.dts
index 188cb93..8710747 100644
--- a/arch/arm/dts/exynos4412-odroid.dts
+++ b/arch/arm/dts/exynos4412-odroid.dts
@@ -213,7 +213,7 @@
 
 				buck8_reg: BUCK8 {
 					regulator-name = "VCC_P3V3_2.85V";
-					regulator-min-microvolt = <2850000>;
+					regulator-min-microvolt = <750000>;
 					regulator-max-microvolt = <3300000>;
 				};
 			};
diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
index 1fbcf89..fd9e48c 100644
--- a/arch/arm/dts/exynos4412-trats2.dts
+++ b/arch/arm/dts/exynos4412-trats2.dts
@@ -27,6 +27,8 @@
 		i2c5 = "/i2c@138b0000";
 		i2c6 = "/i2c@138c0000";
 		i2c7 = "/i2c@138d0000";
+		i2c8 = &i2c_fg;
+		i2c9 = &i2c_max77693;
 		serial0 = "/serial@13800000";
 		console = "/serial@13820000";
 		mmc0 = "/sdhci@12510000";
@@ -34,6 +36,22 @@
 		mshc0 = "/dwmmc@12550000";
 	};
 
+	i2c_fg: fuel-gauge {
+		compatible = "i2c-gpio";
+		gpios = <&gpf1 5 0>,	/* sda */
+			<&gpf1 4 0>;	/* scl */
+		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+		status = "okay";
+	};
+
+	i2c_max77693: max77693 {
+		compatible = "i2c-gpio";
+		gpio = <&gpm2 0 0>,	/* sda */
+		       <&gpm2 1 0>;	/* scl */
+		i2c-gpio,delay-us = <2>;        /* ~100 kHz */
+		status = "okay";
+	};
+
 	i2c@138d0000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-slave-addr = <0x10>;
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index 7200c2e..00059a1 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -23,6 +23,7 @@
 #include <power/max8997_muic.h>
 #include <power/battery.h>
 #include <power/max17042_fg.h>
+#include <power/pmic.h>
 #include <libtizen.h>
 #include <usb.h>
 #include <usb_mass_storage.h>
@@ -51,26 +52,6 @@ int exynos_init(void)
 	return 0;
 }
 
-void i2c_init_board(void)
-{
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int err;
-
-	/* I2C_5 -> PMIC */
-	err = exynos_pinmux_config(PERIPH_ID_I2C5, PINMUX_FLAG_NONE);
-	if (err) {
-		debug("I2C%d not configured\n", (I2C_5));
-		return;
-	}
-
-	/* I2C_8 -> FG */
-	gpio_request(EXYNOS4_GPIO_Y40, "i2c_clk");
-	gpio_request(EXYNOS4_GPIO_Y41, "i2c_data");
-	gpio_direction_output(EXYNOS4_GPIO_Y40, 1);
-	gpio_direction_output(EXYNOS4_GPIO_Y41, 1);
-#endif
-}
-
 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
 static void trats_low_power_mode(void)
 {
@@ -129,156 +110,6 @@ static void trats_low_power_mode(void)
 	writel(0x0, &clk->gate_ip_image);	/* IMAGE */
 	writel(0x0, &clk->gate_ip_gps);	/* GPS */
 }
-
-static int pmic_init_max8997(void)
-{
-	struct pmic *p = pmic_get("MAX8997_PMIC");
-	int i = 0, ret = 0;
-	u32 val;
-
-	if (pmic_probe(p))
-		return -1;
-
-	/* BUCK1 VARM: 1.2V */
-	val = (1200000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1DVS1, val);
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK1CTRL, val);
-
-	/* BUCK2 VINT: 1.1V */
-	val = (1100000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2DVS1, val);
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK2CTRL, val);
-
-
-	/* BUCK3 G3D: 1.1V - OFF */
-	ret |= pmic_reg_read(p, MAX8997_REG_BUCK3CTRL, &val);
-	val &= ~ENBUCK;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3CTRL, val);
-
-	val = (1100000 - 750000) / 50000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK3DVS, val);
-
-	/* BUCK4 CAMISP: 1.2V - OFF */
-	ret |= pmic_reg_read(p, MAX8997_REG_BUCK4CTRL, &val);
-	val &= ~ENBUCK;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4CTRL, val);
-
-	val = (1200000 - 650000) / 25000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK4DVS, val);
-
-	/* BUCK5 VMEM: 1.2V */
-	val = (1200000 - 650000) / 25000;
-	for (i = 0; i < 8; i++)
-		ret |= pmic_reg_write(p, MAX8997_REG_BUCK5DVS1 + i, val);
-
-	val = ENBUCK | ACTIVE_DISCHARGE;		/* DVS OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK5CTRL, val);
-
-	/* BUCK6 CAM AF: 2.8V */
-	/* No Voltage Setting Register */
-	/* GNSLCT 3.0X */
-	val = GNSLCT;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK6CTRL, val);
-
-	/* BUCK7 VCC_SUB: 2.0V */
-	val = (2000000 - 750000) / 50000;
-	ret |= pmic_reg_write(p, MAX8997_REG_BUCK7DVS, val);
-
-	/* LDO1 VADC: 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CTRL, val);
-
-	/* LDO1 Disable active discharging */
-	ret |= pmic_reg_read(p, MAX8997_REG_LDO1CONFIG, &val);
-	val &= ~LDO_ADE;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO1CONFIG, val);
-
-	/* LDO2 VALIVE: 1.1V */
-	val = max8997_reg_ldo(1100000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO2CTRL, val);
-
-	/* LDO3 VUSB/MIPI: 1.1V */
-	val = max8997_reg_ldo(1100000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, val);
-
-	/* LDO4 VMIPI: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO4CTRL, val);
-
-	/* LDO5 VHSIC: 1.2V */
-	val = max8997_reg_ldo(1200000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO5CTRL, val);
-
-	/* LDO6 VCC_1.8V_PDA: 1.8V */
-	val = max8997_reg_ldo(1800000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO6CTRL, val);
-
-	/* LDO7 CAM_ISP: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO7CTRL, val);
-
-	/* LDO8 VDAC/VUSB: 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, val);
-
-	/* LDO9 VCC_2.8V_PDA: 2.8V */
-	val = max8997_reg_ldo(2800000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO9CTRL, val);
-
-	/* LDO10 VPLL: 1.1V */
-	val = max8997_reg_ldo(1100000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO10CTRL, val);
-
-	/* LDO11 TOUCH: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO11CTRL, val);
-
-	/* LDO12 VTCAM: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO12CTRL, val);
-
-	/* LDO13 VCC_3.0_LCD: 3.0V */
-	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO13CTRL, val);
-
-	/* LDO14 MOTOR: 3.0V */
-	val = max8997_reg_ldo(3000000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO14CTRL, val);
-
-	/* LDO15 LED_A: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO15CTRL, val);
-
-	/* LDO16 CAM_SENSOR: 1.8V */
-	val = max8997_reg_ldo(1800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO16CTRL, val);
-
-	/* LDO17 VTF: 2.8V */
-	val = max8997_reg_ldo(2800000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO17CTRL, val);
-
-	/* LDO18 TOUCH_LED 3.3V */
-	val = max8997_reg_ldo(3300000) | DIS_LDO;	/* OFF */
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO18CTRL, val);
-
-	/* LDO21 VDDQ: 1.2V */
-	val = max8997_reg_ldo(1200000) | EN_LDO;
-	ret |= pmic_reg_write(p, MAX8997_REG_LDO21CTRL, val);
-
-	/* SAFEOUT for both 1 and 2: 4.9V, Active discharge, Enable */
-	val = (SAFEOUT_4_90V << 0) | (SAFEOUT_4_90V << 2) |
-		ACTDISSAFEO1 | ACTDISSAFEO2 | ENSAFEOUT1 | ENSAFEOUT2;
-	ret |= pmic_reg_write(p, MAX8997_REG_SAFEOUTCTRL, val);
-
-	if (ret) {
-		puts("MAX8997 PMIC setting error!\n");
-		return -1;
-	}
-
-	return 0;
-}
 #endif
 
 int exynos_power_init(void)
@@ -295,9 +126,7 @@ int exynos_power_init(void)
 	 * The FUEL_GAUGE is marked as I2C9 on the schematic, but connected
 	 * to logical I2C adapter 1
 	 */
-	ret = pmic_init(I2C_5);
-	ret |= pmic_init_max8997();
-	ret |= power_fg_init(I2C_9);
+	ret = power_fg_init(I2C_9);
 	ret |= power_muic_init(I2C_5);
 	ret |= power_bat_init(0);
 	if (ret)
@@ -391,39 +220,59 @@ static void check_hw_revision(void)
 #ifdef CONFIG_USB_GADGET
 static int s5pc210_phy_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret = 0;
-	u32 val = 0;
-	struct pmic *p = pmic_get("MAX8997_PMIC");
-	if (!p)
-		return -ENODEV;
+	struct udevice *dev;
+	int reg, ret;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8997-pmic", &dev);
+	if (ret)
+		return ret;
 
 	if (on) {
-		ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
-				      ENSAFEOUT1, LDO_ON);
-		ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
-		ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, EN_LDO | val);
-
-		ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
-		ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, EN_LDO | val);
+		reg = pmic_reg_read(dev, MAX8997_REG_SAFEOUTCTRL);
+		reg |= ENSAFEOUT1;
+		ret = pmic_reg_write(dev, MAX8997_REG_SAFEOUTCTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
+		reg = pmic_reg_read(dev, MAX8997_REG_LDO3CTRL);
+		reg |= EN_LDO;
+		ret = pmic_reg_write(dev, MAX8997_REG_LDO3CTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
+		reg = pmic_reg_read(dev, MAX8997_REG_LDO8CTRL);
+		reg |= EN_LDO;
+		ret = pmic_reg_write(dev, MAX8997_REG_LDO8CTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
 	} else {
-		ret |= pmic_reg_read(p, MAX8997_REG_LDO8CTRL, &val);
-		ret |= pmic_reg_write(p, MAX8997_REG_LDO8CTRL, DIS_LDO | val);
-
-		ret |= pmic_reg_read(p, MAX8997_REG_LDO3CTRL, &val);
-		ret |= pmic_reg_write(p, MAX8997_REG_LDO3CTRL, DIS_LDO | val);
-		ret |= pmic_set_output(p, MAX8997_REG_SAFEOUTCTRL,
-				      ENSAFEOUT1, LDO_OFF);
-	}
+		reg = pmic_reg_read(dev, MAX8997_REG_LDO8CTRL);
+		reg &= DIS_LDO;
+		ret = pmic_reg_write(dev, MAX8997_REG_LDO8CTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
+		reg = pmic_reg_read(dev, MAX8997_REG_LDO3CTRL);
+		reg &= DIS_LDO;
+		ret = pmic_reg_write(dev, MAX8997_REG_LDO3CTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
+		reg = pmic_reg_read(dev, MAX8997_REG_SAFEOUTCTRL);
+		reg &= ~ENSAFEOUT1;
+		ret = pmic_reg_write(dev, MAX8997_REG_SAFEOUTCTRL, reg);
+		if (ret) {
+			puts("MAX8997 setting error!\n");
+			return ret;
+		}
 
-	if (ret) {
-		puts("MAX8997 LDO setting error!\n");
-		return -1;
 	}
-#endif
 
 	return 0;
 }
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index 150503e..f9acbd3 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -100,50 +100,6 @@ static void board_external_gpio_init(void)
 	gpio_set_pull(EXYNOS4X12_GPIO_X37, S5P_GPIO_PULL_NONE);	/* HDMI_HPD */
 }
 
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
-static void board_init_i2c(void)
-{
-	int err;
-
-	/* I2C_7 */
-	err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
-	if (err) {
-		debug("I2C%d not configured\n", (I2C_7));
-		return;
-	}
-
-	/* I2C_8 */
-	gpio_request(EXYNOS4X12_GPIO_F14, "i2c8_clk");
-	gpio_request(EXYNOS4X12_GPIO_F15, "i2c8_data");
-	gpio_direction_output(EXYNOS4X12_GPIO_F14, 1);
-	gpio_direction_output(EXYNOS4X12_GPIO_F15, 1);
-
-	/* I2C_9 */
-	gpio_request(EXYNOS4X12_GPIO_M21, "i2c9_clk");
-	gpio_request(EXYNOS4X12_GPIO_M20, "i2c9_data");
-	gpio_direction_output(EXYNOS4X12_GPIO_M21, 1);
-	gpio_direction_output(EXYNOS4X12_GPIO_M20, 1);
-}
-#endif
-
-#ifdef CONFIG_SYS_I2C_SOFT
-int get_soft_i2c_scl_pin(void)
-{
-	if (I2C_ADAP_HWNR)
-		return EXYNOS4X12_GPIO_M21; /* I2C9 */
-	else
-		return EXYNOS4X12_GPIO_F14; /* I2C8 */
-}
-
-int get_soft_i2c_sda_pin(void)
-{
-	if (I2C_ADAP_HWNR)
-		return EXYNOS4X12_GPIO_M20; /* I2C9 */
-	else
-		return EXYNOS4X12_GPIO_F15; /* I2C8 */
-}
-#endif
-
 int exynos_early_init_f(void)
 {
 	board_external_gpio_init();
@@ -179,11 +135,6 @@ int exynos_power_init(void)
 	struct power_battery *pb;
 	struct pmic *p_chrg, *p_muic, *p_fg, *p_bat;
 
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
-	board_init_i2c();
-#endif
-	pmic_init(I2C_7);		/* I2C adapter 7 - bus name s3c24x0_7 */
-	pmic_init_max77686();
 	pmic_init_max77693(I2C_10);	/* I2C adapter 10 - bus name soft1 */
 	power_muic_init(I2C_10);	/* I2C adapter 10 - bus name soft1 */
 	power_fg_init(I2C_9);		/* I2C adapter 9 - bus name soft0 */
@@ -331,61 +282,6 @@ int g_dnl_board_usb_cable_connected(void)
 }
 #endif
 
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-static int pmic_init_max77686(void)
-{
-	struct pmic *p = pmic_get("MAX77686_PMIC");
-
-	if (pmic_probe(p))
-		return -1;
-
-	/* BUCK/LDO Output Voltage */
-	max77686_set_ldo_voltage(p, 21, 2800000);	/* LDO21 VTF_2.8V */
-	max77686_set_ldo_voltage(p, 23, 3300000);	/* LDO23 TSP_AVDD_3.3V*/
-	max77686_set_ldo_voltage(p, 24, 1800000);	/* LDO24 TSP_VDD_1.8V */
-
-	/* BUCK/LDO Output Mode */
-	max77686_set_buck_mode(p, 1, OPMODE_STANDBY);	/* BUCK1 VMIF_1.1V_AP */
-	max77686_set_buck_mode(p, 2, OPMODE_ON);	/* BUCK2 VARM_1.0V_AP */
-	max77686_set_buck_mode(p, 3, OPMODE_ON);	/* BUCK3 VINT_1.0V_AP */
-	max77686_set_buck_mode(p, 4, OPMODE_ON);	/* BUCK4 VG3D_1.0V_AP */
-	max77686_set_buck_mode(p, 5, OPMODE_ON);	/* BUCK5 VMEM_1.2V_AP */
-	max77686_set_buck_mode(p, 6, OPMODE_ON);	/* BUCK6 VCC_SUB_1.35V*/
-	max77686_set_buck_mode(p, 7, OPMODE_ON);	/* BUCK7 VCC_SUB_2.0V */
-	max77686_set_buck_mode(p, 8, OPMODE_OFF);	/* VMEM_VDDF_2.85V */
-	max77686_set_buck_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_CORE_1.2V*/
-
-	max77686_set_ldo_mode(p, 1, OPMODE_LPM);	/* LDO1 VALIVE_1.0V_AP*/
-	max77686_set_ldo_mode(p, 2, OPMODE_STANDBY);	/* LDO2 VM1M2_1.2V_AP */
-	max77686_set_ldo_mode(p, 3, OPMODE_LPM);	/* LDO3 VCC_1.8V_AP */
-	max77686_set_ldo_mode(p, 4, OPMODE_LPM);	/* LDO4 VCC_2.8V_AP */
-	max77686_set_ldo_mode(p, 5, OPMODE_OFF);	/* LDO5_VCC_1.8V_IO */
-	max77686_set_ldo_mode(p, 6, OPMODE_STANDBY);	/* LDO6 VMPLL_1.0V_AP */
-	max77686_set_ldo_mode(p, 7, OPMODE_STANDBY);	/* LDO7 VPLL_1.0V_AP */
-	max77686_set_ldo_mode(p, 8, OPMODE_LPM);	/* LDO8 VMIPI_1.0V_AP */
-	max77686_set_ldo_mode(p, 9, OPMODE_OFF);	/* CAM_ISP_MIPI_1.2*/
-	max77686_set_ldo_mode(p, 10, OPMODE_LPM);	/* LDO10 VMIPI_1.8V_AP*/
-	max77686_set_ldo_mode(p, 11, OPMODE_STANDBY);	/* LDO11 VABB1_1.8V_AP*/
-	max77686_set_ldo_mode(p, 12, OPMODE_LPM);	/* LDO12 VUOTG_3.0V_AP*/
-	max77686_set_ldo_mode(p, 13, OPMODE_OFF);	/* LDO13 VC2C_1.8V_AP */
-	max77686_set_ldo_mode(p, 14, OPMODE_STANDBY);	/* VABB02_1.8V_AP */
-	max77686_set_ldo_mode(p, 15, OPMODE_STANDBY);	/* LDO15 VHSIC_1.0V_AP*/
-	max77686_set_ldo_mode(p, 16, OPMODE_STANDBY);	/* LDO16 VHSIC_1.8V_AP*/
-	max77686_set_ldo_mode(p, 17, OPMODE_OFF);	/* CAM_SENSOR_CORE_1.2*/
-	max77686_set_ldo_mode(p, 18, OPMODE_OFF);	/* CAM_ISP_SEN_IO_1.8V*/
-	max77686_set_ldo_mode(p, 19, OPMODE_OFF);	/* LDO19 VT_CAM_1.8V */
-	max77686_set_ldo_mode(p, 20, OPMODE_ON);	/* LDO20 VDDQ_PRE_1.8V*/
-	max77686_set_ldo_mode(p, 21, OPMODE_OFF);	/* LDO21 VTF_2.8V */
-	max77686_set_ldo_mode(p, 22, OPMODE_OFF);	/* LDO22 VMEM_VDD_2.8V*/
-	max77686_set_ldo_mode(p, 23, OPMODE_OFF);	/* LDO23 TSP_AVDD_3.3V*/
-	max77686_set_ldo_mode(p, 24, OPMODE_OFF);	/* LDO24 TSP_VDD_1.8V */
-	max77686_set_ldo_mode(p, 25, OPMODE_OFF);	/* LDO25 VCC_3.3V_LCD */
-	max77686_set_ldo_mode(p, 26, OPMODE_OFF);	/*LDO26 VCC_3.0V_MOTOR*/
-
-	return 0;
-}
-#endif
-
 /*
  * LCD
  */
diff --git a/configs/trats2_defconfig b/configs/trats2_defconfig
index ab76aa3..6f9bdb2 100644
--- a/configs/trats2_defconfig
+++ b/configs/trats2_defconfig
@@ -34,11 +34,15 @@ CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
+CONFIG_DM_I2C_GPIO=y
 CONFIG_DFU_MMC=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_S5P=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_MAX77686=y
+CONFIG_SYS_I2C_S3C24X0=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_GADGET=y
diff --git a/configs/trats_defconfig b/configs/trats_defconfig
index 7fe6c3d..23024fd 100644
--- a/configs/trats_defconfig
+++ b/configs/trats_defconfig
@@ -34,10 +34,14 @@ CONFIG_CMD_FS_GENERIC=y
 CONFIG_ISO_PARTITION=y
 CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
+CONFIG_DM_I2C_GPIO=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_S5P=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_MAX8997=y
+CONFIG_SYS_I2C_S3C24X0=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_GADGET=y