Merge git://git.denx.de/u-boot-samsung

16 files changed, 338 insertions, 134 deletions

diff --git a/arch/arm/dts/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
index 7de227c..a5a00c8 100644
--- a/arch/arm/dts/exynos4.dtsi
+++ b/arch/arm/dts/exynos4.dtsi
@@ -10,6 +10,17 @@
 #include "skeleton.dtsi"
 
 / {
+	aliases {
+		i2c0 = &i2c_0;
+		i2c1 = &i2c_1;
+		i2c2 = &i2c_2;
+		i2c3 = &i2c_3;
+		i2c4 = &i2c_4;
+		i2c5 = &i2c_5;
+		i2c6 = &i2c_6;
+		i2c7 = &i2c_7;
+	};
+
 	combiner: interrupt-controller@10440000 {
 		compatible = "samsung,exynos4210-combiner";
 		#interrupt-cells = <2>;
@@ -47,7 +58,7 @@
 		id = <4>;
 	};
 
-	i2c@13860000 {
+	i2c_0: i2c@13860000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -55,7 +66,7 @@
 		interrupts = <0 56 0>;
 	};
 
-	i2c@13870000 {
+	i2c_1: i2c@13870000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -63,7 +74,7 @@
 		interrupts = <1 57 0>;
 	};
 
-	i2c@13880000 {
+	i2c_2: i2c@13880000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -71,7 +82,7 @@
 		interrupts = <2 58 0>;
 	};
 
-	i2c@13890000 {
+	i2c_3: i2c@13890000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -79,7 +90,7 @@
 		interrupts = <3 59 0>;
 	};
 
-	i2c@138a0000 {
+	i2c_4: i2c@138a0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -87,7 +98,7 @@
 		interrupts = <4 60 0>;
 	};
 
-	i2c@138b0000 {
+	i2c_5: i2c@138b0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -95,7 +106,7 @@
 		interrupts = <5 61 0>;
 	};
 
-	i2c@138c0000 {
+	i2c_6: i2c@138c0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
@@ -103,7 +114,7 @@
 		interrupts = <6 62 0>;
 	};
 
-	i2c@138d0000 {
+	i2c_7: i2c@138d0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
diff --git a/arch/arm/dts/exynos4210-universal_c210.dts b/arch/arm/dts/exynos4210-universal_c210.dts
index 8cac7dd..5763627 100644
--- a/arch/arm/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/dts/exynos4210-universal_c210.dts
@@ -94,3 +94,167 @@
 		samsung,rgb-mode = <0>;
 	};
 };
+
+&i2c_5 {
+	clock-frequency = <100000>;
+	status = "okay";
+
+	max8998-pmic@66 {
+		compatible = "maxim,max8998";
+		reg = <0x66 0 0>;
+		voltage-regulators {
+			ldo2_reg: LDO2 {
+				regulator-name = "VALIVE_1.2V";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+
+			ldo3_reg: LDO3 {
+				regulator-name = "VUSB+MIPI_1.1V";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+
+			ldo4_reg: LDO4 {
+				regulator-name = "VADC_3.3V";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo5_reg: LDO5 {
+				regulator-name = "VTF_2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+			};
+
+			ldo6_reg: LDO6 {
+				regulator-name = "LDO6";
+				regulator-min-microvolt = <2000000>;
+				regulator-max-microvolt = <2000000>;
+			};
+
+			ldo7_reg: LDO7 {
+				regulator-name = "VLCD+VMIPI_1.8V";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo8_reg: LDO8 {
+				regulator-name = "VUSB+VDAC_3.3V";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			ldo9_reg: LDO9 {
+				regulator-name = "VCC_2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			ldo10_reg: LDO10 {
+				regulator-name = "VPLL_1.1V";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo11_reg: LDO11 {
+				regulator-name = "CAM_AF_3.3V";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo12_reg: LDO12 {
+				regulator-name = "PS_2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+			};
+
+			ldo13_reg: LDO13 {
+				regulator-name = "VHIC_1.2V";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			ldo14_reg: LDO14 {
+				regulator-name = "CAM_I_HOST_1.8V";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo15_reg: LDO15 {
+				regulator-name = "CAM_S_DIG+FM33_CORE_1.2V";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			ldo16_reg: LDO16 {
+				regulator-name = "CAM_S_ANA_2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+			};
+
+			ldo17_reg: LDO17 {
+				regulator-name = "VCC_3.0V_LCD";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+			};
+
+			buck1_reg: BUCK1 {
+				regulator-name = "VINT_1.1V";
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck2_reg: BUCK2 {
+				regulator-name = "VG3D_1.1V";
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-boot-on;
+			};
+
+			buck3_reg: BUCK3 {
+				regulator-name = "VCC_1.8V";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			buck4_reg: BUCK4 {
+				regulator-name = "VMEM_1.2V";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+
+			ap32khz_reg: EN32KHz-AP {
+				regulator-name = "32KHz AP";
+				regulator-always-on;
+			};
+
+			cp32khz_reg: EN32KHz-CP {
+				regulator-name = "32KHz CP";
+			};
+
+			vichg_reg: ENVICHG {
+				regulator-name = "VICHG";
+			};
+
+			safeout1_reg: ESAFEOUT1 {
+				regulator-name = "SAFEOUT1";
+			};
+
+			safeout2_reg: ESAFEOUT2 {
+				regulator-name = "SAFEOUT2";
+				regulator-boot-on;
+			};
+		};
+	};
+};
diff --git a/arch/arm/dts/s5pc1xx-goni.dts b/arch/arm/dts/s5pc1xx-goni.dts
index e80132d..182325a 100644
--- a/arch/arm/dts/s5pc1xx-goni.dts
+++ b/arch/arm/dts/s5pc1xx-goni.dts
@@ -42,7 +42,7 @@
 		#size-cells = <0>;
 		status = "okay";
 
-		pmic@66 {
+		max8998-pmic@66 {
 			compatible = "maxim,max8998";
 			reg = <0x66 0 0>;
 
diff --git a/board/samsung/common/exynos5-dt.c b/board/samsung/common/exynos5-dt.c
index 2e3b16d..aec1f39 100644
--- a/board/samsung/common/exynos5-dt.c
+++ b/board/samsung/common/exynos5-dt.c
@@ -123,13 +123,7 @@ int exynos_power_init(void)
 	if (ret)
 		return ret;
 
-	/*
-	 * This would normally be 1.3V, but since we are running slowly 1.1V
-	 * is enough. For spring it helps reduce CPU temperature and avoid
-	 * hangs with the case open. 1.1V is minimum voltage borderline for
-	 * chained bootloaders.
-	 */
-	ret = exynos_set_regulator("vdd_arm", 1100000);
+	ret = exynos_set_regulator("vdd_arm", 1300000);
 	if (ret)
 		return ret;
 	ret = exynos_set_regulator("vdd_int", 1012500);
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index b066832..9c48d71 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <asm/gpio.h>
 #include <asm/arch/mmc.h>
+#include <dm.h>
 #include <power/pmic.h>
 #include <usb/dwc2_udc.h>
 #include <asm/arch/cpu.h>
@@ -43,19 +44,6 @@ void i2c_init_board(void)
 }
 #endif
 
-int power_init_board(void)
-{
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	/*
-	 * For PMIC the I2C bus is named as I2C5, but it is connected
-	 * to logical I2C adapter 0
-	 */
-	return pmic_init(I2C_0);
-#else
-	return 0;
-#endif
-}
-
 int dram_init(void)
 {
 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
@@ -146,39 +134,50 @@ int board_mmc_init(bd_t *bis)
 #ifdef CONFIG_USB_GADGET
 static int s5pc1xx_phy_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret;
+	struct udevice *dev;
 	static int status;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	int reg, ret;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret)
+		return ret;
 
 	if (on && !status) {
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_ON);
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_ON);
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg |= MAX8998_LDO3;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 		if (ret) {
 			puts("MAX8998 LDO setting error!\n");
-			return -1;
+			return -EINVAL;
+		}
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg |= MAX8998_LDO8;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -EINVAL;
 		}
 		status = 1;
 	} else if (!on && status) {
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_OFF);
-		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_OFF);
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg &= ~MAX8998_LDO3;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+		if (ret) {
+			puts("MAX8998 LDO setting error!\n");
+			return -EINVAL;
+		}
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg &= ~MAX8998_LDO8;
+		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 		if (ret) {
 			puts("MAX8998 LDO setting error!\n");
-			return -1;
+			return -EINVAL;
 		}
 		status = 0;
 	}
 	udelay(10000);
-#endif
 	return 0;
 }
 
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index c3946ee..feb8a34 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -27,33 +27,21 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 unsigned int board_rev;
+static int init_pmic_lcd(void);
 
 u32 get_board_rev(void)
 {
 	return board_rev;
 }
 
-static int get_hwrev(void)
+int exynos_power_init(void)
 {
-	return board_rev & 0xFF;
+	return init_pmic_lcd();
 }
 
-int exynos_power_init(void)
+static int get_hwrev(void)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	int ret;
-
-	/*
-	 * For PMIC the I2C bus is named as I2C5, but it is connected
-	 * to logical I2C adapter 0
-	 */
-	ret = pmic_init(I2C_0);
-	if (ret)
-		return ret;
-
-	init_pmic_lcd();
-#endif
-	return 0;
+	return board_rev & 0xFF;
 }
 
 static unsigned short get_adc_value(int channel)
@@ -83,23 +71,29 @@ static unsigned short get_adc_value(int channel)
 
 static int adc_power_control(int on)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
+	struct udevice *dev;
 	int ret;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	u8 reg;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
+		return ret;
+	}
 
-	ret = pmic_set_output(p,
-			      MAX8998_REG_ONOFF1,
-			      MAX8998_LDO4, !!on);
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+	if (on)
+		reg |= MAX8998_LDO4;
+	else
+		reg &= ~MAX8998_LDO4;
+
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
+		return -EINVAL;
+	}
 
-	return ret;
-#else
 	return 0;
-#endif
 }
 
 static unsigned int get_hw_revision(void)
@@ -147,39 +141,50 @@ 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;
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-	if (!p)
-		return -ENODEV;
+	struct udevice *dev;
+	int ret;
+	u8 reg;
 
-	if (pmic_probe(p))
-		return -1;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
+		return ret;
+	}
 
 	if (on) {
-		ret |= pmic_set_output(p,
-				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
-				       MAX8998_SAFEOUT1, LDO_ON);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_ON);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_ON);
+		reg = pmic_reg_read(dev, MAX8998_REG_BUCK_ACTIVE_DISCHARGE3);
+		reg |= MAX8998_SAFEOUT1;
+		ret |= pmic_reg_write(dev,
+			MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg |= MAX8998_LDO3;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg |= MAX8998_LDO8;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 
 	} else {
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF2,
-				      MAX8998_LDO8, LDO_OFF);
-		ret |= pmic_set_output(p, MAX8998_REG_ONOFF1,
-				      MAX8998_LDO3, LDO_OFF);
-		ret |= pmic_set_output(p,
-				       MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
-				       MAX8998_SAFEOUT1, LDO_OFF);
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+		reg &= ~MAX8998_LDO8;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
+		reg &= ~MAX8998_LDO3;
+		ret |= pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
+
+		reg = pmic_reg_read(dev, MAX8998_REG_BUCK_ACTIVE_DISCHARGE3);
+		reg &= ~MAX8998_SAFEOUT1;
+		ret |= pmic_reg_write(dev,
+			MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, reg);
 	}
 
 	if (ret) {
 		puts("MAX8998 LDO setting error!\n");
-		return -1;
+		return -EINVAL;
 	}
-#endif
+
 	return 0;
 }
 
@@ -205,27 +210,25 @@ int exynos_early_init_f(void)
 	return 0;
 }
 
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-static void init_pmic_lcd(void)
+static int init_pmic_lcd(void)
 {
+	struct udevice *dev;
 	unsigned char val;
 	int ret = 0;
 
-	struct pmic *p = pmic_get("MAX8998_PMIC");
-
-	if (!p)
-		return;
-
-	if (pmic_probe(p))
-		return;
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998 for init_pmic_lcd()!\n");
+		return ret;
+	}
 
 	/* LDO7 1.8V */
 	val = 0x02; /* (1800 - 1600) / 100; */
-	ret |= pmic_reg_write(p,  MAX8998_REG_LDO7, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_LDO7, val);
 
 	/* LDO17 3.0V */
 	val = 0xe; /* (3000 - 1600) / 100; */
-	ret |= pmic_reg_write(p,  MAX8998_REG_LDO17, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_LDO17, val);
 
 	/* Disable unneeded regulators */
 	/*
@@ -234,26 +237,29 @@ static void init_pmic_lcd(void)
 	 * LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON
 	 */
 	val = 0xB9;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF1, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF1, val);
 
 	/* ONOFF2
 	 * LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON,
 	 * LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF
 	 */
 	val = 0x50;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF2, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF2, val);
 
 	/* ONOFF3
 	 * LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF
 	 * EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF
 	 */
 	val = 0x00;
-	ret |= pmic_reg_write(p,  MAX8998_REG_ONOFF3, val);
+	ret |= pmic_reg_write(dev,  MAX8998_REG_ONOFF3, val);
 
-	if (ret)
+	if (ret) {
 		puts("LCD pmic initialisation error!\n");
+		return -EINVAL;
+	}
+
+	return 0;
 }
-#endif
 
 void exynos_cfg_lcd_gpio(void)
 {
@@ -310,18 +316,31 @@ void exynos_reset_lcd(void)
 
 void exynos_lcd_power_on(void)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	struct pmic *p = pmic_get("MAX8998_PMIC");
+	struct udevice *dev;
+	int ret;
+	u8 reg;
 
-	if (!p)
+	ret = pmic_get("max8998-pmic", &dev);
+	if (ret) {
+		puts("Failed to get MAX8998!\n");
 		return;
+	}
 
-	if (pmic_probe(p))
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF3);
+	reg |= MAX8998_LDO17;
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF3, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
 		return;
+	}
 
-	pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON);
-	pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON);
-#endif
+	reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
+	reg |= MAX8998_LDO7;
+	ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
+	if (ret) {
+		puts("MAX8998 LDO setting error\n");
+		return;
+	}
 }
 
 void exynos_cfg_ldo(void)
@@ -336,9 +355,6 @@ void exynos_enable_ldo(unsigned int onoff)
 
 int exynos_init(void)
 {
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	char buf[16];
-#endif
 	gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210;
 
 	switch (get_hwrev()) {
@@ -363,14 +379,6 @@ int exynos_init(void)
 		break;
 	}
 
-#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
-	/* Request soft I2C gpios */
-	strcpy(buf, "soft_i2c_scl");
-	gpio_request(CONFIG_SOFT_I2C_GPIO_SCL, buf);
-
-	strcpy(buf, "soft_i2c_sda");
-	gpio_request(CONFIG_SOFT_I2C_GPIO_SDA, buf);
-#endif
 	check_hw_revision();
 	printf("HW Revision:\t0x%x\n", board_rev);
 
diff --git a/configs/arndale_defconfig b/configs/arndale_defconfig
index 2298def..a2cde44 100644
--- a/configs/arndale_defconfig
+++ b/configs/arndale_defconfig
@@ -32,4 +32,6 @@ CONFIG_SOUND_MAX98095=y
 CONFIG_SOUND_WM8994=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/peach-pi_defconfig b/configs/peach-pi_defconfig
index 42b9f25..440cbcc 100644
--- a/configs/peach-pi_defconfig
+++ b/configs/peach-pi_defconfig
@@ -61,5 +61,6 @@ CONFIG_DISPLAY=y
 CONFIG_VIDEO_BRIDGE=y
 CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
 CONFIG_LCD=y
+CONFIG_VIDCONSOLE_AS_LCD=y
 CONFIG_TPM=y
 CONFIG_ERRNO_STR=y
diff --git a/configs/peach-pit_defconfig b/configs/peach-pit_defconfig
index 7b4ebfe..d12e1a9 100644
--- a/configs/peach-pit_defconfig
+++ b/configs/peach-pit_defconfig
@@ -61,5 +61,6 @@ CONFIG_DISPLAY=y
 CONFIG_VIDEO_BRIDGE=y
 CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
 CONFIG_LCD=y
+CONFIG_VIDCONSOLE_AS_LCD=y
 CONFIG_TPM=y
 CONFIG_ERRNO_STR=y
diff --git a/configs/s5pc210_universal_defconfig b/configs/s5pc210_universal_defconfig
index fad2b43..d9dfcba 100644
--- a/configs/s5pc210_universal_defconfig
+++ b/configs/s5pc210_universal_defconfig
@@ -33,6 +33,9 @@ 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_MAX8998=y
+CONFIG_SYS_I2C_S3C24X0=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_GADGET=y
diff --git a/configs/smdk5250_defconfig b/configs/smdk5250_defconfig
index 4ef4143..a34f915 100644
--- a/configs/smdk5250_defconfig
+++ b/configs/smdk5250_defconfig
@@ -44,6 +44,8 @@ CONFIG_SOUND_WM8994=y
 CONFIG_EXYNOS_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO_BRIDGE=y
 CONFIG_ERRNO_STR=y
diff --git a/configs/snow_defconfig b/configs/snow_defconfig
index ef3cfa1..2ef3774 100644
--- a/configs/snow_defconfig
+++ b/configs/snow_defconfig
@@ -62,6 +62,8 @@ CONFIG_EXYNOS_SPI=y
 CONFIG_TPM_TIS_INFINEON=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_DM_VIDEO=y
 CONFIG_DISPLAY=y
@@ -69,5 +71,6 @@ CONFIG_VIDEO_BRIDGE=y
 CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
 CONFIG_VIDEO_BRIDGE_NXP_PTN3460=y
 CONFIG_LCD=y
+CONFIG_VIDCONSOLE_AS_LCD=y
 CONFIG_TPM=y
 CONFIG_ERRNO_STR=y
diff --git a/configs/spring_defconfig b/configs/spring_defconfig
index 3bd8644..243a9ec 100644
--- a/configs/spring_defconfig
+++ b/configs/spring_defconfig
@@ -62,11 +62,14 @@ CONFIG_EXYNOS_SPI=y
 CONFIG_TPM_TIS_INFINEON=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
 CONFIG_DM_VIDEO=y
 CONFIG_DISPLAY=y
 CONFIG_VIDEO_BRIDGE=y
 CONFIG_VIDEO_BRIDGE_PARADE_PS862X=y
 CONFIG_LCD=y
+CONFIG_VIDCONSOLE_AS_LCD=y
 CONFIG_TPM=y
 CONFIG_ERRNO_STR=y
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 051f911..71cc173 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -155,6 +155,11 @@ config SYS_I2C_SANDBOX
 		};
 	};
 
+config SYS_I2C_S3C24X0
+	bool "Samsung I2C driver"
+	depends on ARCH_EXYNOS4 && DM_I2C
+	help
+	  Support for Samsung I2C controller as Samsung SoCs.
 
 config SYS_I2C_UNIPHIER
 	bool "UniPhier I2C driver"
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index 2ece9f4..363cd04 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -24,6 +24,12 @@
 #include <i2c.h>
 #include "s3c24x0_i2c.h"
 
+#ifndef CONFIG_SYS_I2C_S3C24X0_SLAVE
+#define SYS_I2C_S3C24X0_SLAVE_ADDR	0
+#else
+#define SYS_I2C_S3C24X0_SLAVE_ADDR	CONFIG_SYS_I2C_S3C24X0_SLAVE
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 /*
@@ -87,7 +93,7 @@ static int s3c24x0_i2c_set_bus_speed(struct udevice *dev, unsigned int speed)
 	i2c_bus->clock_frequency = speed;
 
 	i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency,
-		    CONFIG_SYS_I2C_S3C24X0_SLAVE);
+		    SYS_I2C_S3C24X0_SLAVE_ADDR);
 
 	return 0;
 }
diff --git a/include/configs/exynos5250-common.h b/include/configs/exynos5250-common.h
index 7d8921f..846739a 100644
--- a/include/configs/exynos5250-common.h
+++ b/include/configs/exynos5250-common.h
@@ -31,6 +31,8 @@
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_EXYNOS
 
+#define CONFIG_USB_XHCI_EXYNOS
+
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
 #define CONFIG_USB_ETHER_ASIX88179