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

20 files changed, 1563 insertions, 239 deletions

diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig
index 4a7d82f74c..37b89b0013 100644
--- a/arch/arm/cpu/armv7/exynos/Kconfig
+++ b/arch/arm/cpu/armv7/exynos/Kconfig
@@ -51,6 +51,12 @@ config TARGET_SNOW
 	select OF_CONTROL
 	select SPL_DISABLE_OF_CONTROL
 
+config TARGET_SPRING
+	bool "Spring board"
+	select SUPPORT_SPL
+	select OF_CONTROL
+	select SPL_DISABLE_OF_CONTROL
+
 config TARGET_SMDK5420
 	bool "SMDK5420 board"
 	select SUPPORT_SPL
diff --git a/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
index 120aaf8b96..3774607848 100644
--- a/arch/arm/cpu/armv7/exynos/lowlevel_init.c
+++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c
@@ -25,6 +25,7 @@
 
 #include <common.h>
 #include <config.h>
+#include <debug_uart.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/dmc.h>
 #include <asm/arch/power.h>
@@ -216,6 +217,10 @@ int do_lowlevel_init(void)
 
 	if (actions & DO_CLOCKS) {
 		system_clock_init();
+#ifdef CONFIG_DEBUG_UART
+		exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
+		debug_uart_init();
+#endif
 		mem_ctrl_init(actions & DO_MEM_RESET);
 		tzpc_init();
 	}
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index be43e224fa..e97cb376ff 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -496,6 +496,16 @@ static int exynos5_pinmux_config(int peripheral, int flags)
 	case PERIPH_ID_SPI4:
 		exynos5_spi_config(peripheral);
 		break;
+	case PERIPH_ID_DPHPD:
+		/* Set Hotplug detect for DP */
+		gpio_cfg_pin(EXYNOS5_GPIO_X07, S5P_GPIO_FUNC(0x3));
+
+		/*
+		 * Hotplug detect should have an external pullup; disable the
+		 * internal pulldown so they don't fight.
+		 */
+		gpio_set_pull(EXYNOS5_GPIO_X07, S5P_GPIO_PULL_NONE);
+		break;
 	default:
 		debug("%s: invalid peripheral %d", __func__, peripheral);
 		return -1;
diff --git a/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/arch/arm/cpu/armv7/s5p-common/cpu_info.c
index a8d91e769f..154d67490d 100644
--- a/arch/arm/cpu/armv7/s5p-common/cpu_info.c
+++ b/arch/arm/cpu/armv7/s5p-common/cpu_info.c
@@ -30,11 +30,8 @@ u32 get_device_type(void)
 #ifdef CONFIG_DISPLAY_CPUINFO
 int print_cpuinfo(void)
 {
-	char buf[32];
-
-	printf("CPU:\t%s%X@%sMHz\n",
-			s5p_get_cpu_name(), s5p_cpu_id,
-			strmhz(buf, get_arm_clk()));
+	printf("CPU:   %s%X @ ", s5p_get_cpu_name(), s5p_cpu_id);
+	print_freq(get_arm_clk(), "\n");
 
 	return 0;
 }
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index f61060fc92..3aaeb6a53c 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -9,6 +9,7 @@ dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \
 
 dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
 	exynos5250-snow.dtb \
+	exynos5250-spring.dtb \
 	exynos5250-smdk5250.dtb \
 	exynos5420-smdk5420.dtb \
 	exynos5420-peach-pit.dtb \
diff --git a/arch/arm/dts/exynos4412-odroid.dts b/arch/arm/dts/exynos4412-odroid.dts
index d572f1e72b..a63e8abab4 100644
--- a/arch/arm/dts/exynos4412-odroid.dts
+++ b/arch/arm/dts/exynos4412-odroid.dts
@@ -42,103 +42,103 @@
 			#clock-cells = <1>;
 
 			voltage-regulators {
-				ldo1_reg: ldo1 {
+				ldo1_reg: LDO1 {
 					regulator-name = "VDD_ALIVE_1.0V";
 					regulator-min-microvolt = <1000000>;
 					regulator-max-microvolt = <1000000>;
 				};
 
-				ldo2_reg: ldo2 {
+				ldo2_reg: LDO2 {
 					regulator-name = "VDDQ_VM1M2_1.2V";
 					regulator-min-microvolt = <1200000>;
 					regulator-max-microvolt = <1200000>;
 				};
 
-				ldo3_reg: ldo3 {
+				ldo3_reg: LDO3 {
 					regulator-name = "VCC_1.8V_AP";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo4_reg: ldo4 {
+				ldo4_reg: LDO4 {
 					regulator-name = "VDDQ_MMC2_2.8V";
 					regulator-min-microvolt = <2800000>;
 					regulator-max-microvolt = <2800000>;
 				};
 
-				ldo5_reg: ldo5 {
+				ldo5_reg: LDO5 {
 					regulator-name = "VDDQ_MMC0/1/3_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo6_reg: ldo6 {
+				ldo6_reg: LDO6 {
 					regulator-name = "VMPLL_1.0V";
 					regulator-min-microvolt = <1100000>;
 					regulator-max-microvolt = <1100000>;
 				};
 
-				ldo7_reg: ldo7 {
+				ldo7_reg: LDO7 {
 					regulator-name = "VPLL_1.1V";
 					regulator-min-microvolt = <1100000>;
 					regulator-max-microvolt = <1100000>;
 				};
 
-				ldo8_reg: ldo8 {
+				ldo8_reg: LDO8 {
 					regulator-name = "VDD_MIPI/HDMI_1.0V";
 					regulator-min-microvolt = <1000000>;
 					regulator-max-microvolt = <1000000>;
 				};
 
-				ldo10_reg: ldo10 {
+				ldo10_reg: LDO10 {
 					regulator-name = "VDD_MIPI/HDMI_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo11_reg: ldo11 {
+				ldo11_reg: LDO11 {
 					regulator-name = "VDD_ABB1_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo12_reg: ldo12 {
+				ldo12_reg: LDO12 {
 					regulator-name = "VDD_UOTG_3.0V";
 					regulator-min-microvolt = <3000000>;
 					regulator-max-microvolt = <3000000>;
 				};
 
-				ldo13_reg: ldo13 {
+				ldo13_reg: LDO13 {
 					regulator-name = "VDD_C2C_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo14_reg: ldo14 {
+				ldo14_reg: LDO14 {
 					regulator-name = "VDD_ABB02_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo15_reg: ldo15 {
+				ldo15_reg: LDO15 {
 					regulator-name = "VDD_HSIC/OTG_1.0V";
 					regulator-min-microvolt = <1000000>;
 					regulator-max-microvolt = <1000000>;
 				};
 
-				ldo16_reg: ldo16 {
+				ldo16_reg: LDO16 {
 					regulator-name = "VDD_HSIC_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
 
-				ldo17_reg: ldo17 {
+				ldo17_reg: LDO17 {
 					regulator-name = "VDDQ_CAM_1.2V";
 					regulator-min-microvolt = <1200000>;
 					regulator-max-microvolt = <1200000>;
 				};
 
-				ldo20_reg: ldo20 {
+				ldo20_reg: LDO20 {
 					regulator-name = "VDDQ_EMMC_1.8V";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
@@ -146,7 +146,7 @@
 					regulator-boot-on;
 				};
 
-				ldo21_reg: ldo21 {
+				ldo21_reg: LDO21 {
 					regulator-name = "TFLASH_2.8V";
 					regulator-min-microvolt = <2800000>;
 					regulator-max-microvolt = <2800000>;
@@ -154,7 +154,7 @@
 					regulator-boot-on;
 				};
 
-				ldo22_reg: ldo22 {
+				ldo22_reg: LDO22 {
 					regulator-name = "VDDQ_EMMC_2.8V";
 					regulator-min-microvolt = <2800000>;
 					regulator-max-microvolt = <2800000>;
@@ -162,56 +162,56 @@
 					regulator-boot-on;
 				};
 
-				ldo25_reg: ldo25 {
+				ldo25_reg: LDO25 {
 					regulator-compatible = "LDO25";
 					regulator-name = "VDDQ_LCD_3.0V";
 					regulator-min-microvolt = <3000000>;
 					regulator-max-microvolt = <3000000>;
 				};
 
-				buck1_reg: buck1 {
+				buck1_reg: BUCK1 {
 					regulator-name = "VDD_MIF_1.0V";
 					regulator-min-microvolt = <8500000>;
 					regulator-max-microvolt = <1100000>;
 				};
 
-				buck2_reg: buck2 {
+				buck2_reg: BUCK2 {
 					regulator-name = "VDD_ARM_1.0V";
 					regulator-min-microvolt = <850000>;
 					regulator-max-microvolt = <1500000>;
 				};
 
-				buck3_reg: buck3 {
+				buck3_reg: BUCK3 {
 					regulator-name = "VDD_INT_1.1V";
 					regulator-min-microvolt = <850000>;
 					regulator-max-microvolt = <1150000>;
 				};
 
-				buck4_reg: buck4 {
+				buck4_reg: BUCK4 {
 					regulator-name = "VDD_G3D_1.0V";
 					regulator-min-microvolt = <850000>;
 					regulator-max-microvolt = <1150000>;
 				};
 
-				buck5_reg: buck5 {
+				buck5_reg: BUCK5 {
 					regulator-name = "VDDQ_AP_1.2V";
 					regulator-min-microvolt = <1200000>;
 					regulator-max-microvolt = <1200000>;
 				};
 
-				buck6_reg: buck6 {
+				buck6_reg: BUCK6 {
 					regulator-name = "VCC_INL1/7_1.35V";
 					regulator-min-microvolt = <1350000>;
 					regulator-max-microvolt = <1350000>;
 				};
 
-				buck7_reg: buck7 {
+				buck7_reg: BUCK7 {
 					regulator-name = "VCC_INL2/3/5_2.0V";
 					regulator-min-microvolt = <2000000>;
 					regulator-max-microvolt = <2000000>;
 				};
 
-				buck8_reg: buck8 {
+				buck8_reg: BUCK8 {
 					regulator-name = "VCC_P3V3_2.85V";
 					regulator-min-microvolt = <2850000>;
 					regulator-max-microvolt = <3300000>;
diff --git a/arch/arm/dts/exynos4412-trats2.dts b/arch/arm/dts/exynos4412-trats2.dts
index 5c0bb9108b..2d4e522ea2 100644
--- a/arch/arm/dts/exynos4412-trats2.dts
+++ b/arch/arm/dts/exynos4412-trats2.dts
@@ -47,7 +47,7 @@
 			#clock-cells = <1>;
 
 			voltage-regulators {
-				ldo1_reg: ldo1 {
+				ldo1_reg: LDO1 {
 					regulator-compatible = "LDO1";
 					regulator-name = "VALIVE_1.0V_AP";
 					regulator-min-microvolt = <1000000>;
@@ -56,7 +56,7 @@
 					regulator-mem-on;
 				};
 
-				ldo2_reg: ldo2 {
+				ldo2_reg: LDO2 {
 					regulator-compatible = "LDO2";
 					regulator-name = "VM1M2_1.2V_AP";
 					regulator-min-microvolt = <1200000>;
@@ -65,7 +65,7 @@
 					regulator-mem-on;
 				};
 
-				ldo3_reg: ldo3 {
+				ldo3_reg: LDO3 {
 					regulator-compatible = "LDO3";
 					regulator-name = "VCC_1.8V_AP";
 					regulator-min-microvolt = <1800000>;
@@ -74,7 +74,7 @@
 					regulator-mem-on;
 				};
 
-				ldo4_reg: ldo4 {
+				ldo4_reg: LDO4 {
 					regulator-compatible = "LDO4";
 					regulator-name = "VCC_2.8V_AP";
 					regulator-min-microvolt = <2800000>;
@@ -83,7 +83,7 @@
 					regulator-mem-on;
 				};
 
-				ldo5_reg: ldo5 {
+				ldo5_reg: LDO5 {
 					regulator-compatible = "LDO5";
 					regulator-name = "VCC_1.8V_IO";
 					regulator-min-microvolt = <1800000>;
@@ -92,7 +92,7 @@
 					regulator-mem-on;
 				};
 
-				ldo6_reg: ldo6 {
+				ldo6_reg: LDO6 {
 					regulator-compatible = "LDO6";
 					regulator-name = "VMPLL_1.0V_AP";
 					regulator-min-microvolt = <1000000>;
@@ -101,7 +101,7 @@
 					regulator-mem-on;
 				};
 
-				ldo7_reg: ldo7 {
+				ldo7_reg: LDO7 {
 					regulator-compatible = "LDO7";
 					regulator-name = "VPLL_1.0V_AP";
 					regulator-min-microvolt = <1000000>;
@@ -110,7 +110,7 @@
 					regulator-mem-on;
 				};
 
-				ldo8_reg: ldo8 {
+				ldo8_reg: LDO8 {
 					regulator-compatible = "LDO8";
 					regulator-name = "VMIPI_1.0V";
 					regulator-min-microvolt = <1000000>;
@@ -118,7 +118,7 @@
 					regulator-mem-off;
 				};
 
-				ldo9_reg: ldo9 {
+				ldo9_reg: LDO9 {
 					regulator-compatible = "LDO9";
 					regulator-name = "CAM_ISP_MIPI_1.2V";
 					regulator-min-microvolt = <1200000>;
@@ -126,7 +126,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo10_reg: ldo10 {
+				ldo10_reg: LDO10 {
 					regulator-compatible = "LDO10";
 					regulator-name = "VMIPI_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -134,7 +134,7 @@
 					regulator-mem-off;
 				};
 
-				ldo11_reg: ldo11 {
+				ldo11_reg: LDO11 {
 					regulator-compatible = "LDO11";
 					regulator-name = "VABB1_1.95V";
 					regulator-min-microvolt = <1950000>;
@@ -143,7 +143,7 @@
 					regulator-mem-off;
 				};
 
-				ldo12_reg: ldo12 {
+				ldo12_reg: LDO12 {
 					regulator-compatible = "LDO12";
 					regulator-name = "VUOTG_3.0V";
 					regulator-min-microvolt = <3000000>;
@@ -151,7 +151,7 @@
 					regulator-mem-off;
 				};
 
-				ldo13_reg: ldo13 {
+				ldo13_reg: LDO13 {
 					regulator-compatible = "LDO13";
 					regulator-name = "NFC_AVDD_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -159,7 +159,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo14_reg: ldo14 {
+				ldo14_reg: LDO14 {
 					regulator-compatible = "LDO14";
 					regulator-name = "VABB2_1.95V";
 					regulator-min-microvolt = <1950000>;
@@ -168,7 +168,7 @@
 					regulator-mem-off;
 				};
 
-				ldo15_reg: ldo15 {
+				ldo15_reg: LDO15 {
 					regulator-compatible = "LDO15";
 					regulator-name = "VHSIC_1.0V";
 					regulator-min-microvolt = <1000000>;
@@ -176,7 +176,7 @@
 					regulator-mem-off;
 				};
 
-				ldo16_reg: ldo16 {
+				ldo16_reg: LDO16 {
 					regulator-compatible = "LDO16";
 					regulator-name = "VHSIC_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -184,7 +184,7 @@
 					regulator-mem-off;
 				};
 
-				ldo17_reg: ldo17 {
+				ldo17_reg: LDO17 {
 					regulator-compatible = "LDO17";
 					regulator-name = "CAM_SENSOR_CORE_1.2V";
 					regulator-min-microvolt = <1200000>;
@@ -192,7 +192,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo18_reg: ldo18 {
+				ldo18_reg: LDO18 {
 					regulator-compatible = "LDO18";
 					regulator-name = "CAM_ISP_SEN_IO_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -200,7 +200,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo19_reg: ldo19 {
+				ldo19_reg: LDO19 {
 					regulator-compatible = "LDO19";
 					regulator-name = "VT_CAM_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -208,7 +208,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo20_reg: ldo20 {
+				ldo20_reg: LDO20 {
 					regulator-compatible = "LDO20";
 					regulator-name = "VDDQ_PRE_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -216,7 +216,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo21_reg: ldo21 {
+				ldo21_reg: LDO21 {
 					regulator-compatible = "LDO21";
 					regulator-name = "VTF_2.8V";
 					regulator-min-microvolt = <2800000>;
@@ -224,7 +224,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo22_reg: ldo22 {
+				ldo22_reg: LDO22 {
 					regulator-compatible = "LDO22";
 					regulator-name = "VMEM_VDD_2.8V";
 					regulator-min-microvolt = <2800000>;
@@ -233,7 +233,7 @@
 					regulator-mem-off;
 				};
 
-				ldo23_reg: ldo23 {
+				ldo23_reg: LDO23 {
 					regulator-compatible = "LDO23";
 					regulator-name = "TSP_AVDD_3.3V";
 					regulator-min-microvolt = <3300000>;
@@ -241,7 +241,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo24_reg: ldo24 {
+				ldo24_reg: LDO24 {
 					regulator-compatible = "LDO24";
 					regulator-name = "TSP_VDD_1.8V";
 					regulator-min-microvolt = <1800000>;
@@ -249,7 +249,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo25_reg: ldo25 {
+				ldo25_reg: LDO25 {
 					regulator-compatible = "LDO25";
 					regulator-name = "LCD_VCC_3.3V";
 					regulator-min-microvolt = <2800000>;
@@ -257,7 +257,7 @@
 					regulator-mem-idle;
 				};
 
-				ldo26_reg: ldo26 {
+				ldo26_reg: LDO26 {
 					regulator-compatible = "LDO26";
 					regulator-name = "MOTOR_VCC_3.0V";
 					regulator-min-microvolt = <3000000>;
@@ -265,7 +265,7 @@
 					regulator-mem-idle;
 				};
 
-				buck1_reg: buck1 {
+				buck1_reg: BUCK1 {
 					regulator-compatible = "BUCK1";
 					regulator-name = "vdd_mif";
 					regulator-min-microvolt = <850000>;
@@ -275,7 +275,7 @@
 					regulator-mem-off;
 				};
 
-				buck2_reg: buck2 {
+				buck2_reg: BUCK2 {
 					regulator-compatible = "BUCK2";
 					regulator-name = "vdd_arm";
 					regulator-min-microvolt = <850000>;
@@ -285,7 +285,7 @@
 					regulator-mem-off;
 				};
 
-				buck3_reg: buck3 {
+				buck3_reg: BUCK3 {
 					regulator-compatible = "BUCK3";
 					regulator-name = "vdd_int";
 					regulator-min-microvolt = <850000>;
@@ -295,7 +295,7 @@
 					regulator-mem-off;
 				};
 
-				buck4_reg: buck4 {
+				buck4_reg: BUCK4 {
 					regulator-compatible = "BUCK4";
 					regulator-name = "vdd_g3d";
 					regulator-min-microvolt = <850000>;
@@ -304,7 +304,7 @@
 					regulator-mem-off;
 				};
 
-				buck5_reg: buck5 {
+				buck5_reg: BUCK5 {
 					regulator-compatible = "BUCK5";
 					regulator-name = "VMEM_1.2V_AP";
 					regulator-min-microvolt = <1200000>;
@@ -312,7 +312,7 @@
 					regulator-always-on;
 				};
 
-				buck6_reg: buck6 {
+				buck6_reg: BUCK6 {
 					regulator-compatible = "BUCK6";
 					regulator-name = "VCC_SUB_1.35V";
 					regulator-min-microvolt = <1350000>;
@@ -320,7 +320,7 @@
 					regulator-always-on;
 				};
 
-				buck7_reg: buck7 {
+				buck7_reg: BUCK7 {
 					regulator-compatible = "BUCK7";
 					regulator-name = "VCC_SUB_2.0V";
 					regulator-min-microvolt = <2000000>;
@@ -328,7 +328,7 @@
 					regulator-always-on;
 				};
 
-				buck8_reg: buck8 {
+				buck8_reg: BUCK8 {
 					regulator-compatible = "BUCK8";
 					regulator-name = "VMEM_VDDF_3.0V";
 					regulator-min-microvolt = <2850000>;
@@ -337,7 +337,7 @@
 					regulator-mem-off;
 				};
 
-				buck9_reg: buck9 {
+				buck9_reg: BUCK9 {
 					regulator-compatible = "BUCK9";
 					regulator-name = "CAM_ISP_CORE_1.2V";
 					regulator-min-microvolt = <1000000>;
diff --git a/arch/arm/dts/exynos5.dtsi b/arch/arm/dts/exynos5.dtsi
index 238acb80a2..179584c748 100644
--- a/arch/arm/dts/exynos5.dtsi
+++ b/arch/arm/dts/exynos5.dtsi
@@ -72,39 +72,39 @@
 		interrupts = <1 9 0xf04>;
 	};
 
-	i2c@12c60000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
+	i2c_0: i2c@12C60000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12C60000 0x100>;
 		interrupts = <0 56 0>;
-	};
-
-	i2c@12c70000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_1: i2c@12C70000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12C70000 0x100>;
 		interrupts = <0 57 0>;
-	};
-
-	i2c@12c80000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_2: i2c@12C80000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12C80000 0x100>;
 		interrupts = <0 58 0>;
-	};
-
-	i2c@12c90000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_3: i2c@12C90000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12C90000 0x100>;
 		interrupts = <0 59 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
 	};
 
-	spi@12d20000 {
+	spi_0: spi@12d20000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos-spi";
@@ -112,7 +112,7 @@
 		interrupts = <0 68 0>;
 	};
 
-	spi@12d30000 {
+	spi_1: spi@12d30000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos-spi";
@@ -120,7 +120,7 @@
 		interrupts = <0 69 0>;
 	};
 
-	spi@12d40000 {
+	spi_2: spi@12d40000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos-spi";
@@ -129,7 +129,7 @@
 		interrupts = <0 70 0>;
         };
 
-	spi@131a0000 {
+	spi_3: spi@131a0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos-spi";
@@ -137,7 +137,7 @@
 		interrupts = <0 129 0>;
 	};
 
-	spi@131b0000 {
+	spi_4: spi@131b0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos-spi";
diff --git a/arch/arm/dts/exynos5250-arndale.dts b/arch/arm/dts/exynos5250-arndale.dts
index 21c0a214ea..031c622e0b 100644
--- a/arch/arm/dts/exynos5250-arndale.dts
+++ b/arch/arm/dts/exynos5250-arndale.dts
@@ -15,14 +15,14 @@
 	compatible = "samsung,arndale", "samsung,exynos5250";
 
 	aliases {
-		i2c0 = "/i2c@12c60000";
-		i2c1 = "/i2c@12c70000";
-		i2c2 = "/i2c@12c80000";
-		i2c3 = "/i2c@12c90000";
-		i2c4 = "/i2c@12ca0000";
-		i2c5 = "/i2c@12cb0000";
-		i2c6 = "/i2c@12cc0000";
-		i2c7 = "/i2c@12cd0000";
+		i2c0 = "/i2c@12C60000";
+		i2c1 = "/i2c@12C70000";
+		i2c2 = "/i2c@12C80000";
+		i2c3 = "/i2c@12C90000";
+		i2c4 = "/i2c@12CA0000";
+		i2c5 = "/i2c@12CB0000";
+		i2c6 = "/i2c@12CC0000";
+		i2c7 = "/i2c@12CD0000";
 		serial0 = "/serial@12C20000";
 		console = "/serial@12C20000";
 	};
diff --git a/arch/arm/dts/exynos5250-smdk5250.dts b/arch/arm/dts/exynos5250-smdk5250.dts
index 3cebfc28a5..8b695442b1 100644
--- a/arch/arm/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/dts/exynos5250-smdk5250.dts
@@ -11,20 +11,21 @@
 
 /dts-v1/;
 #include "exynos5250.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
 	compatible = "samsung,smdk5250", "samsung,exynos5250";
 
 	aliases {
-		i2c0 = "/i2c@12c60000";
-		i2c1 = "/i2c@12c70000";
-		i2c2 = "/i2c@12c80000";
-		i2c3 = "/i2c@12c90000";
-		i2c4 = "/i2c@12ca0000";
-		i2c5 = "/i2c@12cb0000";
-		i2c6 = "/i2c@12cc0000";
-		i2c7 = "/i2c@12cd0000";
+		i2c0 = "/i2c@12C60000";
+		i2c1 = "/i2c@12C70000";
+		i2c2 = "/i2c@12C80000";
+		i2c3 = "/i2c@12C90000";
+		i2c4 = "/i2c@12CA0000";
+		i2c5 = "/i2c@12CB0000";
+		i2c6 = "/i2c@12CC0000";
+		i2c7 = "/i2c@12CD0000";
 		spi0 = "/spi@12d20000";
 		spi1 = "/spi@12d30000";
 		spi2 = "/spi@12d40000";
@@ -58,14 +59,14 @@
 		status = "disabled";
 	};
 
-	i2c@12c70000 {
+	i2c@12C70000 {
 		soundcodec@1a {
 			reg = <0x1a>;
 			compatible = "wolfson,wm8994-codec";
 		};
 	};
 
-	i2c@12c60000 {
+	i2c@12C60000 {
 		pmic@9 {
 			reg = <0x9>;
 			compatible = "maxim,max77686";
@@ -149,3 +150,153 @@
 		samsung,vbus-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;
 	};
 };
+
+&i2c_0 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <20000>;
+
+	max77686@09 {
+		compatible = "maxim,max77686";
+		reg = <0x09>;
+		interrupt-parent = <&gpx3>;
+		interrupts = <2 IRQ_TYPE_NONE>;
+
+		voltage-regulators {
+			ldo1_reg: LDO1 {
+				regulator-name = "P1.0V_LDO_OUT1";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			ldo2_reg: LDO2 {
+				regulator-name = "P1.2V_LDO_OUT2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+
+			ldo3_reg: LDO3 {
+				regulator-name = "P1.8V_LDO_OUT3";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo4_reg: LDO4 {
+				regulator-name = "P2.8V_LDO_OUT4";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+			};
+
+			ldo5_reg: LDO5 {
+				regulator-name = "P1.8V_LDO_OUT5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo6_reg: LDO6 {
+				regulator-name = "P1.1V_LDO_OUT6";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+
+			ldo7_reg: LDO7 {
+				regulator-name = "P1.1V_LDO_OUT7";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+
+			ldo8_reg: LDO8 {
+				regulator-name = "P1.0V_LDO_OUT8";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+			};
+
+			ldo10_reg: LDO10 {
+				regulator-name = "P1.8V_LDO_OUT10";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo11_reg: LDO11 {
+				regulator-name = "P1.8V_LDO_OUT11";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo12_reg: LDO12 {
+				regulator-name = "P3.0V_LDO_OUT12";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+			};
+
+			ldo13_reg: LDO13 {
+				regulator-name = "P1.8V_LDO_OUT13";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo14_reg: LDO14 {
+				regulator-name = "P1.8V_LDO_OUT14";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo15_reg: LDO15 {
+				regulator-name = "P1.0V_LDO_OUT15";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+			};
+
+			ldo16_reg: LDO16 {
+				regulator-name = "P1.8V_LDO_OUT16";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			buck1_reg: BUCK1 {
+				regulator-name = "vdd_mif";
+				regulator-min-microvolt = <950000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck2_reg: BUCK2 {
+				regulator-name = "vdd_arm";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck3_reg: BUCK3 {
+				regulator-name = "vdd_int";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck4_reg: BUCK4 {
+				regulator-name = "vdd_g3d";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck5_reg: BUCK5 {
+				regulator-name = "P1.8V_BUCK_OUT5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+		};
+	};
+};
diff --git a/arch/arm/dts/exynos5250-snow.dts b/arch/arm/dts/exynos5250-snow.dts
index e4b3dc29e4..32c0098bd8 100644
--- a/arch/arm/dts/exynos5250-snow.dts
+++ b/arch/arm/dts/exynos5250-snow.dts
@@ -7,24 +7,28 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
-*/
+ */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/input/input.h>
 #include "exynos5250.dtsi"
 
 / {
 	model = "Google Snow";
-	compatible = "google,snow", "samsung,exynos5250";
+	compatible = "google,snow", "samsung,exynos5250", "samsung,exynos5";
 
 	aliases {
-		i2c0 = "/i2c@12c60000";
-		i2c1 = "/i2c@12c70000";
-		i2c2 = "/i2c@12c80000";
-		i2c3 = "/i2c@12c90000";
-		i2c4 = "/i2c@12ca0000";
-		i2c5 = "/i2c@12cb0000";
-		i2c6 = "/i2c@12cc0000";
-		i2c7 = "/i2c@12cd0000";
+		i2c0 = "/i2c@12C60000";
+		i2c1 = "/i2c@12C70000";
+		i2c2 = "/i2c@12C80000";
+		i2c3 = "/i2c@12C90000";
+		i2c4 = "/i2c@12CA0000";
+		i2c104 = &i2c_104;
+		i2c5 = "/i2c@12CB0000";
+		i2c6 = "/i2c@12CC0000";
+		i2c7 = "/i2c@12CD0000";
 		spi0 = "/spi@12d20000";
 		spi1 = "/spi@12d30000";
 		spi2 = "/spi@12d40000";
@@ -39,18 +43,166 @@
 		i2s = "/sound@3830000";
 	};
 
-	i2c4: i2c@12ca0000 {
-		cros_ec: cros-ec@1e {
-			reg = <0x1e>;
-			compatible = "google,cros-ec-i2c";
-			i2c-max-frequency = <100000>;
-			u-boot,i2c-offset-len = <0>;
-			ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
+        memory {
+		reg = <0x40000000 0x80000000>;
+	};
+
+	chosen {
+		bootargs = "console=tty1";
+		stdout-path = "serial3:115200n8";
+	};
+
+	iram {
+		reg = <0x02020000 0x60000>;
+	};
+
+	config {
+		samsung,bl1-offset = <0x1400>;
+		samsung,bl2-offset = <0x3400>;
+		u-boot-memory = "/memory";
+		u-boot-offset = <0x3e00000 0x100000>;
+	};
+
+	flash {
+		reg = <0 0x100000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		pre-boot {
+			label = "bl1 pre-boot";
+			reg = <0 0x2000>;
+			read-only;
+			filename = "e5250.nbl1.bin";
+			type = "blob exynos-bl1";
+			required;
 		};
 
-		power-regulator@48 {
-			compatible = "ti,tps65090";
-			reg = <0x48>;
+		spl {
+			label = "bl2 spl";
+			reg = <0x2000 0x4000>;
+			read-only;
+			filename = "bl2.bin";
+			type = "blob exynos-bl2 boot,dtb";
+			payload = "/flash/ro-boot";
+			required;
+		};
+
+		ro-boot {
+			label = "u-boot";
+			reg = <0x6000 0x9a000>;
+			read-only;
+			type = "blob boot,dtb";
+			required;
+		};
+	};
+
+	i2c-arbitrator {
+		compatible = "i2c-arb-gpio-challenge";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c-parent = <&{/i2c@12CA0000}>;
+
+		our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
+		their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
+		slew-delay-us = <10>;
+		wait-retry-us = <3000>;
+		wait-free-us = <50000>;
+
+		/* Use ID 104 as a hint that we're on physical bus 4 */
+		i2c_104: i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			battery: sbs-battery@b {
+				compatible = "sbs,sbs-battery";
+				reg = <0xb>;
+				sbs,poll-retry-count = <1>;
+			};
+
+			cros_ec: embedded-controller {
+				compatible = "google,cros-ec-i2c";
+				reg = <0x1e>;
+				interrupts = <6 IRQ_TYPE_NONE>;
+				interrupt-parent = <&gpx1>;
+				wakeup-source;
+				i2c-max-frequency = <100000>;
+				u-boot,i2c-offset-len = <0>;
+				ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
+			};
+
+			power-regulator {
+				compatible = "ti,tps65090";
+				reg = <0x48>;
+
+				regulators {
+					dcdc1 {
+						ti,enable-ext-control;
+					};
+					dcdc2 {
+						ti,enable-ext-control;
+					};
+					dcdc3 {
+						ti,enable-ext-control;
+					};
+					fet1: fet1 {
+						regulator-name = "vcd_led";
+						ti,overcurrent-wait = <3>;
+					};
+					tps65090_fet2: fet2 {
+						regulator-name = "video_mid";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet3 {
+						regulator-name = "wwan_r";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet4 {
+						regulator-name = "sdcard";
+						ti,overcurrent-wait = <3>;
+					};
+					fet5 {
+						regulator-name = "camout";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet6: fet6 {
+						regulator-name = "lcd_vdd";
+						ti,overcurrent-wait = <3>;
+					};
+					tps65090_fet7: fet7 {
+						regulator-name = "video_mid_1a";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					ldo1 {
+					};
+					ldo2 {
+					};
+				};
+
+				charger {
+					compatible = "ti,tps65090-charger";
+				};
+			};
+		};
+	};
+
+	i2c@12CD0000 {
+		ptn3460: lvds-bridge@20 {
+			compatible = "nxp,ptn3460";
+			reg = <0x20>;
+			sleep-gpios = <&gpy2 5 GPIO_ACTIVE_LOW>;
+			reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
+			hotplug-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
+			edid-emulation = <5>;
+		};
+
+		soundcodec@22 {
+			reg = <0x22>;
+			compatible = "maxim,max98095-codec";
 		};
 	};
 
@@ -66,6 +218,7 @@
 		spi-max-frequency = <1000000>;
 		spi-deactivate-delay = <100>;
 
+		/* Snow did support SPI but the released version used I2C */
 		embedded-controller {
 			compatible = "google,cros-ec-i2c";
 			reg = <0x1e>;
@@ -85,28 +238,8 @@
 		status = "disabled";
 	};
 
-	i2c@12cd0000 {
-		soundcodec@22 {
-			reg = <0x22>;
-			compatible = "maxim,max98095-codec";
-		};
-
-		ptn3460-bridge@20 {
-			compatible = "nxp,ptn3460";
-			reg = <0x20>;
-			/*
-			 * TODO(sjg@chromium.org): Use GPIOs here
-			 * powerdown-gpio = <&gpy2 5 0>;
-			 * reset-gpio = <&gpx1 5 0>;
-			 * edid-emulation = <5>;
-			 * pinctrl-names = "default";
-			 * pinctrl-0 = <&ptn3460_gpios>;
-			 */
-		};
-	};
-
-	i2c@12c60000 {
-		pmic@9 {
+	i2c@12C60000 {
+		max77686@09 {
 			reg = <0x9>;
 			compatible = "maxim,max77686";
 		};
@@ -199,4 +332,158 @@
 
 };
 
+&i2c_0 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <378000>;
+
+	max77686: max77686@09 {
+		compatible = "maxim,max77686";
+		interrupt-parent = <&gpx3>;
+		interrupts = <2 IRQ_TYPE_NONE>;
+		wakeup-source;
+		reg = <0x09>;
+		#clock-cells = <1>;
+
+		voltage-regulators {
+			ldo1_reg: LDO1 {
+				regulator-name = "P1.0V_LDO_OUT1";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			ldo2_reg: LDO2 {
+				regulator-name = "P1.8V_LDO_OUT2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo3_reg: LDO3 {
+				regulator-name = "P1.8V_LDO_OUT3";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo7_reg: LDO7 {
+				regulator-name = "P1.1V_LDO_OUT7";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+			};
+
+			ldo8_reg: LDO8 {
+				regulator-name = "P1.0V_LDO_OUT8";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			ldo10_reg: LDO10 {
+				regulator-name = "P1.8V_LDO_OUT10";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo12_reg: LDO12 {
+				regulator-name = "P3.0V_LDO_OUT12";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-always-on;
+			};
+
+			ldo14_reg: LDO14 {
+				regulator-name = "P1.8V_LDO_OUT14";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo15_reg: LDO15 {
+				regulator-name = "P1.0V_LDO_OUT15";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+			};
+
+			ldo16_reg: LDO16 {
+				regulator-name = "P1.8V_LDO_OUT16";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo17_reg: LDO17 {
+				regulator-name = "vdd_mydp";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			buck1_reg: BUCK1 {
+				regulator-name = "vdd_mif";
+				regulator-min-microvolt = <950000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck2_reg: BUCK2 {
+				regulator-name = "vdd_arm";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck3_reg: BUCK3 {
+				regulator-name = "vdd_int";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck4_reg: BUCK4 {
+				regulator-name = "vdd_g3d";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck5_reg: BUCK5 {
+				regulator-name = "P1.8V_BUCK_OUT5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				regulator-boot-on;
+			};
+
+			buck6_reg: BUCK6 {
+				regulator-name = "P1.35V_BUCK_OUT6";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+			};
+
+			buck7_reg: BUCK7 {
+				regulator-name = "P2.0V_BUCK_OUT7";
+				regulator-min-microvolt = <2000000>;
+				regulator-max-microvolt = <2000000>;
+				regulator-always-on;
+			};
+
+			buck8_reg: BUCK8 {
+				regulator-name = "P2.85V_BUCK_OUT8";
+				regulator-min-microvolt = <2850000>;
+				regulator-max-microvolt = <2850000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/arm/dts/exynos5250-spring.dts b/arch/arm/dts/exynos5250-spring.dts
new file mode 100644
index 0000000000..76d5323dc3
--- /dev/null
+++ b/arch/arm/dts/exynos5250-spring.dts
@@ -0,0 +1,588 @@
+/*
+ * Google Spring board device tree source
+ *
+ * Copyright (c) 2013 Google, Inc
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/input/input.h>
+#include "exynos5250.dtsi"
+
+/ {
+	model = "Google Spring";
+	compatible = "google,spring", "samsung,exynos5250", "samsung,exynos5";
+
+	aliases {
+		i2c0 = "/i2c@12C60000";
+		i2c1 = "/i2c@12C70000";
+		i2c2 = "/i2c@12C80000";
+		i2c3 = "/i2c@12C90000";
+		i2c4 = "/i2c@12CA0000";
+		i2c5 = "/i2c@12CB0000";
+		i2c6 = "/i2c@12CC0000";
+		i2c7 = "/i2c@12CD0000";
+		i2c104 = &cros_ec_ldo_tunnel;
+		spi0 = "/spi@12d20000";
+		spi1 = "/spi@12d30000";
+		spi2 = "/spi@12d40000";
+		spi3 = "/spi@131a0000";
+		spi4 = "/spi@131b0000";
+		mmc0 = "/mmc@12000000";
+		serial0 = "/serial@12C30000";
+		console = "/serial@12C30000";
+		i2s = "/sound@3830000";
+	};
+
+	memory {
+		reg = <0x40000000 0x80000000>;
+	};
+
+	flash@0 {
+		spl { /* spl size override */
+			size = <0x8000>;
+		};
+	};
+
+	chosen {
+		bootargs = "console=tty1";
+		stdout-path = "serial3:115200n8";
+	};
+
+	board-rev {
+		compatible = "google,board-revision";
+		google,board-rev-gpios = <&gpy4 0 0>, <&gpy4 1 0>,
+					 <&gpy4 2 0>;
+	};
+
+	mmc@12200000 {
+		samsung,bus-width = <8>;
+		samsung,timing = <1 3 3>;
+		samsung,removable = <0>;
+	};
+
+	mmc@12210000 {
+		status = "disabled";
+	};
+
+	mmc@12220000 {
+		/* MMC2 pins are used as GPIO for eDP bridge */
+		status = "disabled";
+	};
+
+	mmc@12230000 {
+		status = "disabled";
+	};
+
+	ehci@12110000 {
+		samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+	};
+
+	xhci@12000000 {
+		samsung,vbus-gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
+	};
+
+	spi@12d30000 {
+		spi-max-frequency = <50000000>;
+		firmware_storage_spi: flash@0 {
+			compatible = "spi-flash";
+			reg = <0>;
+		};
+	};
+
+	tmu@10060000 {
+		samsung,min-temp	= <25>;
+		samsung,max-temp	= <125>;
+		samsung,start-warning	= <95>;
+		samsung,start-tripping	= <105>;
+		samsung,hw-tripping	= <110>;
+		samsung,efuse-min-value	= <40>;
+		samsung,efuse-value	= <55>;
+		samsung,efuse-max-value	= <100>;
+		samsung,slope		= <274761730>;
+		samsung,dc-value	= <25>;
+	};
+
+	fimd@14400000 {
+		samsung,vl-freq = <60>;
+		samsung,vl-col = <1366>;
+		samsung,vl-row = <768>;
+		samsung,vl-width = <1366>;
+		samsung,vl-height = <768>;
+
+		samsung,vl-clkp;
+		samsung,vl-dp;
+		samsung,vl-hsp;
+		samsung,vl-vsp;
+
+		samsung,vl-bpix = <4>;
+
+		samsung,vl-hspw = <32>;
+		samsung,vl-hbpd = <80>;
+		samsung,vl-hfpd = <48>;
+		samsung,vl-vspw = <5>;
+		samsung,vl-vbpd = <14>;
+		samsung,vl-vfpd = <3>;
+		samsung,vl-cmd-allow-len = <0xf>;
+
+		samsung,winid = <0>;
+		samsung,interface-mode = <1>;
+		samsung,dp-enabled = <1>;
+		samsung,dual-lcd-enabled = <0>;
+	};
+
+	dp@145b0000 {
+		samsung,lt-status = <0>;
+
+		samsung,master-mode = <0>;
+		samsung,bist-mode = <0>;
+		samsung,bist-pattern = <0>;
+		samsung,h-sync-polarity = <0>;
+		samsung,v-sync-polarity = <0>;
+		samsung,interlaced = <0>;
+		samsung,color-space = <0>;
+		samsung,dynamic-range = <0>;
+		samsung,ycbcr-coeff = <0>;
+		samsung,color-depth = <1>;
+	};
+};
+
+&i2c_0 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <378000>;
+
+	s5m8767-pmic@66 {
+		compatible = "samsung,s5m8767-pmic";
+		reg = <0x66>;
+		interrupt-parent = <&gpx3>;
+		wakeup-source;
+
+		s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>, /* DVS1 */
+		                              <&gpd1 1 GPIO_ACTIVE_LOW>, /* DVS2 */
+		                              <&gpd1 2 GPIO_ACTIVE_LOW>; /* DVS3 */
+
+		s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>, /* SET1 */
+		                             <&gpx2 4 GPIO_ACTIVE_LOW>, /* SET2 */
+		                             <&gpx2 5 GPIO_ACTIVE_LOW>; /* SET3 */
+
+		/*
+		 * The following arrays of DVS voltages are not used, since we are
+		 * not using GPIOs to control PMIC bucks, but they must be defined
+		 * to please the driver.
+		 */
+		s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
+		                                 <1250000>, <1200000>,
+		                                 <1150000>, <1100000>,
+		                                 <1000000>, <950000>;
+
+		s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
+		                                 <1100000>, <1100000>,
+		                                 <1000000>, <1000000>,
+		                                 <1000000>, <1000000>;
+
+		s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
+		                                 <1200000>, <1200000>,
+		                                 <1200000>, <1200000>,
+		                                 <1200000>, <1200000>;
+
+		clocks {
+			compatible = "samsung,s5m8767-clk";
+			#clock-cells = <1>;
+			clock-output-names = "en32khz_ap",
+			                     "en32khz_cp",
+			                     "en32khz_bt";
+		};
+
+		regulators {
+			ldo4_reg: LDO4 {
+				regulator-name = "P1.0V_LDO_OUT4";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+				op_mode = <0>;
+			};
+
+			ldo5_reg: LDO5 {
+				regulator-name = "P1.8V_LDO_OUT5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <0>;
+			};
+
+			ldo6_reg: LDO6 {
+				regulator-name = "vdd_mydp";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo7_reg: LDO7 {
+				regulator-name = "P1.1V_LDO_OUT7";
+				regulator-min-microvolt = <1100000>;
+				regulator-max-microvolt = <1100000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo8_reg: LDO8 {
+				regulator-name = "P1.0V_LDO_OUT8";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo10_reg: LDO10 {
+				regulator-name = "P1.8V_LDO_OUT10";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo11_reg: LDO11 {
+				regulator-name = "P1.8V_LDO_OUT11";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <0>;
+			};
+
+			ldo12_reg: LDO12 {
+				regulator-name = "P3.0V_LDO_OUT12";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo13_reg: LDO13 {
+				regulator-name = "P1.8V_LDO_OUT13";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <0>;
+			};
+
+			ldo14_reg: LDO14 {
+				regulator-name = "P1.8V_LDO_OUT14";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo15_reg: LDO15 {
+				regulator-name = "P1.0V_LDO_OUT15";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo16_reg: LDO16 {
+				regulator-name = "P1.8V_LDO_OUT16";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				op_mode = <3>;
+			};
+
+			ldo17_reg: LDO17 {
+				regulator-name = "P1.2V_LDO_OUT17";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				op_mode = <0>;
+			};
+
+			ldo25_reg: LDO25 {
+				regulator-name = "vdd_bridge";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				op_mode = <1>;
+			};
+
+			buck1_reg: BUCK1 {
+				regulator-name = "vdd_mif";
+				regulator-min-microvolt = <950000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <3>;
+			};
+
+			buck2_reg: BUCK2 {
+				regulator-name = "vdd_arm";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <3>;
+			};
+
+			buck3_reg: BUCK3 {
+				regulator-name = "vdd_int";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <3>;
+			};
+
+			buck4_reg: BUCK4 {
+				regulator-name = "vdd_g3d";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1300000>;
+				regulator-boot-on;
+				op_mode = <3>;
+			};
+
+			buck5_reg: BUCK5 {
+				regulator-name = "P1.8V_BUCK_OUT5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <1>;
+			};
+
+			buck6_reg: BUCK6 {
+				regulator-name = "P1.2V_BUCK_OUT6";
+				regulator-min-microvolt = <2050000>;
+				regulator-max-microvolt = <2050000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <0>;
+			};
+
+			buck9_reg: BUCK9 {
+				regulator-name = "vdd_ummc";
+				regulator-min-microvolt = <950000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-always-on;
+				regulator-boot-on;
+				op_mode = <3>;
+			};
+		};
+	};
+};
+
+&i2c_1 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <378000>;
+};
+
+&i2c_2 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <66000>;
+};
+
+&i2c_3 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <66000>;
+};
+
+&i2c_4 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <66000>;
+	clock-frequency = <66000>;
+
+	cros_ec: embedded-controller {
+		compatible = "google,cros-ec-i2c";
+		reg = <0x1e>;
+		interrupts = <6 IRQ_TYPE_NONE>;
+		interrupt-parent = <&gpx1>;
+		wakeup-source;
+		u-boot,i2c-offset-len = <0>;
+		ec-interrupt = <&gpx1 6 GPIO_ACTIVE_LOW>;
+		cros_ec_ldo_tunnel: cros-ec-ldo-tunnel {
+			compatible = "google,cros-ec-ldo-tunnel";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-regulator {
+				compatible = "ti,tps65090";
+				reg = <0x48>;
+
+				regulators {
+					dcdc1 {
+						ti,enable-ext-control;
+					};
+					dcdc2 {
+						ti,enable-ext-control;
+					};
+					dcdc3 {
+						ti,enable-ext-control;
+					};
+					fet1: fet1 {
+						regulator-name = "vcd_led";
+						ti,overcurrent-wait = <3>;
+					};
+					tps65090_fet2: fet2 {
+						regulator-name = "video_mid";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet3 {
+						regulator-name = "wwan_r";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet4 {
+						regulator-name = "sdcard";
+						ti,overcurrent-wait = <3>;
+					};
+					fet5 {
+						regulator-name = "camout";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					fet6: fet6 {
+						regulator-name = "lcd_vdd";
+						ti,overcurrent-wait = <3>;
+					};
+					tps65090_fet7: fet7 {
+						regulator-name = "video_mid_1a";
+						regulator-always-on;
+						ti,overcurrent-wait = <3>;
+					};
+					ldo1 {
+					};
+					ldo2 {
+					};
+				};
+			};
+		};
+	};
+};
+
+&i2c_5 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <66000>;
+};
+
+&i2c_7 {
+	status = "okay";
+	samsung,i2c-sda-delay = <100>;
+	samsung,i2c-max-bus-freq = <66000>;
+
+	ps8622-bridge@8 {
+		compatible = "parade,ps8622";
+		reg = <0x8>;
+		sleep-gpios = <&gpc3 6 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpc3 1 GPIO_ACTIVE_LOW>;
+		hotplug-gpios = <&gpc3 0 GPIO_ACTIVE_HIGH>;
+		power-supply = <&ldo6_reg>;
+		parade,regs = /bits/ 8 <
+			0x02 0xa1 0x01 /* HPD low */
+			/*
+			 * SW setting: [1:0] SW output 1.2V voltage is
+			 * lower to 96%
+			 */
+			0x04 0x14 0x01
+			/* RCO SS setting: [5:4] = b01 0.5%, b10 1%, b11 1.5% */
+			0x04 0xe3 0x20
+			0x04 0xe2 0x80 /* [7] RCO SS enable */
+			/*
+			 * RPHY Setting: [3:2] CDR tune wait cycle before
+			 * measure for fine tune b00: 1us,
+			 * 01: 0.5us, 10:2us, 11:4us
+			 */
+			0x04 0x8a 0x0c
+			0x04 0x89 0x08 /* [3] RFD always on */
+			/*
+			 * CTN lock in/out: 20000ppm/80000ppm. Lock out 2 times
+			 */
+			0x04 0x71 0x2d
+			/* 2.7G CDR settings */
+			0x04 0x7d 0x07 /* NOF=40LSB for HBR CDR setting */
+			0x04 0x7b 0x00 /* [1:0] Fmin=+4bands */
+			0x04 0x7a 0xfd /* [7:5] DCO_FTRNG=+-40% */
+			/*
+			 * 1.62G CDR settings:
+			 * [5:2]NOF=64LSB [1:0]DCO scale is 2/5
+			 */
+			0x04 0xc0 0x12
+			0x04 0xc1 0x92 /* Gitune=-37% */
+			0x04 0xc2 0x1c /* Fbstep=100% */
+			0x04 0x32 0x80 /* [7] LOS signal disable */
+			/* RPIO Setting */
+			/* [7:4] LVDS driver bias current 75% (250mV swing) */
+			0x04 0x00 0xb0
+			 /* [7:6] Right-bar GPIO output strength is 8mA */
+			0x04 0x15 0x40
+			/* EQ Training State Machine Setting */
+			0x04 0x54 0x10 /* RCO calibration start */
+			/* [4:0] MAX_LANE_COUNT set to one lane */
+			0x01 0x02 0x81
+			/* [4:0] LANE_COUNT_SET set to one lane */
+			0x01 0x21 0x81
+			0x00 0x52 0x20
+			0x00 0xf1 0x03 /* HPD CP toggle enable */
+			0x00 0x62 0x41
+			/* Counter number add 1ms counter delay */
+			0x00 0xf6 0x01
+			/*
+			 * [6]PWM function control by DPCD0040f[7], default
+			 * is PWM block always works
+			 */
+			0x00 0x77 0x06
+			0x00 0x4c 0x04
+			/*
+			 * 04h Adjust VTotal tolerance to fix the 30Hz no-
+			 * display issue
+			 * DPCD00400='h00 Parade OUI = 'h001cf8
+			 */
+			0x01 0xc0 0x00
+			0x01 0xc1 0x1c /* DPCD00401='h1c */
+			0x01 0xc2 0xf8 /* DPCD00402='hf8 */
+			/* DPCD403~408 = ASCII code D2SLV5='h4432534c5635 */
+			0x01 0xc3 0x44
+			0x01 0xc4 0x32 /* DPCD404 */
+			0x01 0xc5 0x53 /* DPCD405 */
+			0x01 0xc6 0x4c /* DPCD406 */
+			0x01 0xc7 0x56 /* DPCD407 */
+			0x01 0xc8 0x35 /* DPCD408 */
+			/* DPCD40A Initial Code major revision '01' */
+			0x01 0xca 0x01
+			/* DPCD40B Initial Code minor revision '05' */
+			0x01 0xcb 0x05
+			0x01 0xa5 0xa0 /* DPCD720, Select internal PWM */
+			/*
+			 * 0xff for 100% PWM of brightness, 0h for 0% brightness
+			 */
+			0x01 0xa7 0x00
+			/*
+			 * Set LVDS output as 6bit-VESA mapping, single LVDS
+			 * channel
+			 */
+			0x01 0xcc 0x13
+			0x02 0xb1 0x20 /* Enable SSC set by register */
+			/* Set SSC enabled and +/-1% central spreading */
+			0x04 0x10 0x16
+			0x04 0x59 0x60 /* MPU Clock source: LC => RCO */
+			0x04 0x54 0x14 /* LC -> RCO */
+			0x02 0xa1 0x91>; /* HPD high */
+	};
+
+	soundcodec@20 {
+		reg = <0x20>;
+		compatible = "maxim,max98088-codec";
+	};
+};
+
+#include "cros-ec-keyboard.dtsi"
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index ccbafe9b07..7eef3e3f4f 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -47,36 +47,36 @@
 		interrupts = <0 47 0>;
 	};
 
-	i2c@12ca0000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
+	i2c_4: i2c@12CA0000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12CA0000 0x100>;
 		interrupts = <0 60 0>;
-	};
-
-	i2c@12cb0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_5: i2c@12CB0000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12CB0000 0x100>;
 		interrupts = <0 61 0>;
-	};
-
-	i2c@12cc0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_6: i2c@12CC0000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12CC0000 0x100>;
 		interrupts = <0 62 0>;
-	};
-
-	i2c@12cd0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+	};
+
+	i2c_7: i2c@12CD0000 {
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x12CD0000 0x100>;
 		interrupts = <0 63 0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
 	};
 
 	sound@3830000 {
diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts
index 6fe762deb3..2d2b7c9bde 100644
--- a/arch/arm/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/dts/exynos5420-peach-pit.dts
@@ -25,7 +25,8 @@
 	aliases {
 		serial0 = "/serial@12C30000";
 		console = "/serial@12C30000";
-		pmic = "/i2c@12ca0000";
+		pmic = "/i2c@12CA0000";
+		i2c104 = &i2c_tunnel;
 	};
 
 	dmc {
@@ -49,7 +50,7 @@
 	};
 
 	/* MAX77802 is on i2c bus 4 */
-	i2c@12ca0000 {
+	i2c@12CA0000 {
 		clock-frequency = <400000>;
 		power-regulator@9 {
 			compatible = "maxim,max77802-pmic";
@@ -57,18 +58,136 @@
 		};
 	};
 
-	i2c@12cd0000 { /* i2c7 */
+	i2c@12CD0000 { /* i2c7 */
 		clock-frequency = <100000>;
 	       soundcodec@20 {
 	              reg = <0x20>;
 	              compatible = "maxim,max98090-codec";
 	       };
 
-	        edp-lvds-bridge@48 {
-	                compatible = "parade,ps8625";
-	                reg = <0x48>;
-			sleep-gpio = <&gpx3 5 GPIO_ACTIVE_HIGH>;
-			reset-gpio = <&gpy7 7 GPIO_ACTIVE_HIGH>;
+		edp-lvds-bridge@48 {
+			compatible = "parade,ps8625";
+			reg = <0x48>;
+			sleep-gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
+			reset-gpios = <&gpy7 7 GPIO_ACTIVE_LOW>;
+			parade,regs = /bits/ 8 <
+				0x02 0xa1 0x01  /* HPD low */
+				/*
+				* SW setting
+				* [1:0] SW output 1.2V voltage is lower to 96%
+				*/
+				0x04 0x14 0x01
+				/*
+				* RCO SS setting
+				* [5:4] = b01 0.5%, b10 1%, b11 1.5%
+				*/
+				0x04 0xe3 0x20
+				0x04 0xe2 0x80 /* [7] RCO SS enable */
+				/*
+				*  RPHY Setting
+				* [3:2] CDR tune wait cycle before
+				* measure for fine tune b00: 1us,
+				* 01: 0.5us, 10:2us, 11:4us.
+				*/
+				0x04 0x8a 0x0c
+				0x04 0x89 0x08 /* [3] RFD always on */
+				/*
+				* CTN lock in/out:
+				* 20000ppm/80000ppm. Lock out 2
+				* times.
+				*/
+				0x04 0x71 0x2d
+				/*
+				* 2.7G CDR settings
+				* NOF=40LSB for HBR CDR setting
+				*/
+				0x04 0x7d 0x07
+				0x04 0x7b 0x00  /* [1:0] Fmin=+4bands */
+				0x04 0x7a 0xfd  /* [7:5] DCO_FTRNG=+-40% */
+				/*
+				* 1.62G CDR settings
+				* [5:2]NOF=64LSB [1:0]DCO scale is 2/5
+				*/
+				0x04 0xc0 0x12
+				0x04 0xc1 0x92  /* Gitune=-37% */
+				0x04 0xc2 0x1c  /* Fbstep=100% */
+				0x04 0x32 0x80  /* [7]LOS signal disable */
+				/*
+				* RPIO Setting
+				* [7:4] LVDS driver bias current :
+				* 75% (250mV swing)
+				*/
+				0x04 0x00 0xb0
+				/*
+				* [7:6] Right-bar GPIO output strength is 8mA
+				*/
+				0x04 0x15 0x40
+				/* EQ Training State Machine Setting */
+				0x04 0x54 0x10  /* RCO calibration start */
+				/* [4:0] MAX_LANE_COUNT set to one lane */
+				0x01 0x02 0x81
+				/* [4:0] LANE_COUNT_SET set to one lane */
+				0x01 0x21 0x81
+				0x00 0x52 0x20
+				0x00 0xf1 0x03  /* HPD CP toggle enable */
+				0x00 0x62 0x41
+				/* Counter number add 1ms counter delay */
+				0x00 0xf6 0x01
+				/*
+				* [6]PWM function control by
+				* DPCD0040f[7], default is PWM
+				* block always works.
+				*/
+				0x00 0x77 0x06
+				/*
+				* 04h Adjust VTotal tolerance to
+				* fix the 30Hz no display issue
+				*/
+				0x00 0x4c 0x04
+				/* DPCD00400='h00, Parade OUI = 'h001cf8 */
+				0x01 0xc0 0x00
+				0x01 0xc1 0x1c  /* DPCD00401='h1c */
+				0x01 0xc2 0xf8  /* DPCD00402='hf8 */
+				/*
+				* DPCD403~408 = ASCII code
+				* D2SLV5='h4432534c5635
+				*/
+				0x01 0xc3 0x44
+				0x01 0xc4 0x32  /* DPCD404 */
+				0x01 0xc5 0x53  /* DPCD405 */
+				0x01 0xc6 0x4c  /* DPCD406 */
+				0x01 0xc7 0x56  /* DPCD407 */
+				0x01 0xc8 0x35  /* DPCD408 */
+				/*
+				* DPCD40A, Initial Code major  revision
+				* '01'
+				*/
+				0x01 0xca 0x01
+				/* DPCD40B Initial Code minor revision '05' */
+				0x01 0xcb 0x05
+				/* DPCD720 Select internal PWM */
+				0x01 0xa5 0xa0
+				/*
+				* FFh for 100% PWM of brightness, 0h for 0%
+				* brightness
+				*/
+				0x01 0xa7 0xff
+				/*
+				* Set LVDS output as 6bit-VESA mapping,
+				* single LVDS channel
+				*/
+				0x01 0xcc 0x13
+				/* Enable SSC set by register */
+				0x02 0xb1 0x20
+				/*
+				* Set SSC enabled and +/-1% central
+				* spreading
+				*/
+				0x04 0x10 0x16
+				/* MPU Clock source: LC => RCO */
+				0x04 0x59 0x60
+				0x04 0x54 0x14  /* LC -> RCO */
+				0x02 0xa1 0x91>;  /* HPD high */
 	        };
 	};
 
@@ -76,7 +195,7 @@
                 samsung,codec-type = "max98090";
         };
 
-	i2c@12e10000 { /* i2c9 */
+	i2c@12E10000 { /* i2c9 */
 		clock-frequency = <400000>;
                 tpm@20 {
                         compatible = "infineon,slb9645tt";
@@ -101,30 +220,6 @@
 		};
 	};
 
-	spi@12d40000 { /* spi2 */
-		spi-max-frequency = <4000000>;
-		spi-deactivate-delay = <200>;
-
-		cros_ec: cros-ec@0 {
-			compatible = "google,cros-ec-spi";
-			reg = <0>;
-			spi-half-duplex;
-			spi-max-timeout-ms = <1100>;
-			ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
-
-			/*
-			 * This describes the flash memory within the EC. Note
-			 * that the STM32L flash erases to 0, not 0xff.
-			 */
-			#address-cells = <1>;
-			#size-cells = <1>;
-			flash@8000000 {
-				reg = <0x08000000 0x20000>;
-				erase-value = <0>;
-			};
-		};
-	};
-
 	xhci@12000000 {
 		samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
 	};
@@ -159,4 +254,103 @@
 	};
 };
 
+&spi_2 {
+	spi-max-frequency = <3125000>;
+	spi-deactivate-delay = <200>;
+	status = "okay";
+	num-cs = <1>;
+	samsung,spi-src-clk = <0>;
+	cs-gpios = <&gpb1 2 0>;
+
+	cros_ec: cros-ec@0 {
+		compatible = "google,cros-ec-spi";
+		interrupt-parent = <&gpx1>;
+		interrupts = <5 0>;
+		reg = <0>;
+		spi-half-duplex;
+		spi-max-timeout-ms = <1100>;
+		ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/*
+		 * This describes the flash memory within the EC. Note
+		 * that the STM32L flash erases to 0, not 0xff.
+		 */
+		flash@8000000 {
+			reg = <0x08000000 0x20000>;
+			erase-value = <0>;
+		};
+
+		controller-data {
+			samsung,spi-feedback-delay = <1>;
+		};
+
+		i2c_tunnel: i2c-tunnel {
+			compatible = "google,cros-ec-i2c-tunnel";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			google,remote-bus = <0>;
+
+			battery: sbs-battery@b {
+				compatible = "sbs,sbs-battery";
+				reg = <0xb>;
+				sbs,poll-retry-count = <1>;
+				sbs,i2c-retry-count = <2>;
+			};
+
+			power-regulator@48 {
+				compatible = "ti,tps65090";
+				reg = <0x48>;
+
+				regulators {
+					tps65090_dcdc1: dcdc1 {
+						ti,enable-ext-control;
+					};
+					tps65090_dcdc2: dcdc2 {
+						ti,enable-ext-control;
+					};
+					tps65090_dcdc3: dcdc3 {
+						ti,enable-ext-control;
+					};
+					tps65090_fet1: fet1 {
+						regulator-name = "vcd_led";
+					};
+					tps65090_fet2: fet2 {
+						regulator-name = "video_mid";
+						regulator-always-on;
+					};
+					tps65090_fet3: fet3 {
+						regulator-name = "wwan_r";
+						regulator-always-on;
+					};
+					tps65090_fet4: fet4 {
+						regulator-name = "sdcard";
+						regulator-always-on;
+					};
+					tps65090_fet5: fet5 {
+						regulator-name = "camout";
+						regulator-always-on;
+					};
+					tps65090_fet6: fet6 {
+						regulator-name = "lcd_vdd";
+					};
+					tps65090_fet7: fet7 {
+						regulator-name = "video_mid_1a";
+						regulator-always-on;
+					};
+					tps65090_ldo1: ldo1 {
+					};
+					tps65090_ldo2: ldo2 {
+					};
+				};
+
+				charger {
+					compatible = "ti,tps65090-charger";
+				};
+			};
+		};
+	};
+};
+
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/arm/dts/exynos5420-smdk5420.dts b/arch/arm/dts/exynos5420-smdk5420.dts
index 6855027389..015ff151f2 100644
--- a/arch/arm/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/dts/exynos5420-smdk5420.dts
@@ -37,7 +37,7 @@
 	};
 
 	/* s2mps11 is on i2c bus 4 */
-	i2c@12ca0000 {
+	i2c@12CA0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		pmic@66 {
@@ -82,7 +82,7 @@
 		samsung,codec-type = "wm8994";
 	};
 
-	i2c@12c70000 {
+	i2c@12C70000 {
 		soundcodec@1a {
 			reg = <0x1a>;
 			compatible = "wolfson,wm8994-codec";
diff --git a/arch/arm/dts/exynos54xx.dtsi b/arch/arm/dts/exynos54xx.dtsi
index 31fabb190e..bd3619d751 100644
--- a/arch/arm/dts/exynos54xx.dtsi
+++ b/arch/arm/dts/exynos54xx.dtsi
@@ -14,17 +14,17 @@
 	};
 
 	aliases {
-		i2c0 = "/i2c@12c60000";
-		i2c1 = "/i2c@12c70000";
-		i2c2 = "/i2c@12c80000";
-		i2c3 = "/i2c@12c90000";
-		i2c4 = "/i2c@12ca0000";
-		i2c5 = "/i2c@12cb0000";
-		i2c6 = "/i2c@12cc0000";
-		i2c7 = "/i2c@12cd0000";
-		i2c8 = "/i2c@12e00000";
-		i2c9 = "/i2c@12e10000";
-		i2c10 = "/i2c@12e20000";
+		i2c0 = "/i2c@12C60000";
+		i2c1 = "/i2c@12C70000";
+		i2c2 = "/i2c@12C80000";
+		i2c3 = "/i2c@12C90000";
+		i2c4 = "/i2c@12CA0000";
+		i2c5 = "/i2c@12CB0000";
+		i2c6 = "/i2c@12CC0000";
+		i2c7 = "/i2c@12CD0000";
+		i2c8 = "/i2c@12E00000";
+		i2c9 = "/i2c@12E10000";
+		i2c10 = "/i2c@12E20000";
 		pinctrl0 = &pinctrl_0;
 		pinctrl1 = &pinctrl_1;
 		pinctrl2 = &pinctrl_2;
@@ -42,7 +42,7 @@
 		xhci1 = "/xhci@12400000";
 	};
 
-	i2c@12ca0000 {
+	i2c@12CA0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -50,7 +50,7 @@
 		interrupts = <0 60 0>;
 	};
 
-	i2c@12cb0000 {
+	i2c@12CB0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -58,7 +58,7 @@
 		interrupts = <0 61 0>;
 	};
 
-	i2c@12cc0000 {
+	i2c@12CC0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -66,7 +66,7 @@
 		interrupts = <0 62 0>;
 	};
 
-	i2c@12cd0000 {
+	i2c@12CD0000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -74,7 +74,7 @@
 		interrupts = <0 63 0>;
 	};
 
-	i2c@12e00000 {
+	i2c@12E00000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -82,7 +82,7 @@
 		interrupts = <0 87 0>;
 	};
 
-	i2c@12e10000 {
+	i2c@12E10000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
@@ -90,7 +90,7 @@
 		interrupts = <0 88 0>;
 	};
 
-	i2c@12e20000 {
+	i2c@12E20000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "samsung,exynos5-hsi2c";
diff --git a/arch/arm/dts/exynos5800-peach-pi.dts b/arch/arm/dts/exynos5800-peach-pi.dts
index 176ce552ad..600c2948cf 100644
--- a/arch/arm/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/dts/exynos5800-peach-pi.dts
@@ -25,7 +25,8 @@
 	aliases {
 		serial0 = "/serial@12C30000";
 		console = "/serial@12C30000";
-		pmic = "/i2c@12ca0000";
+		pmic = "/i2c@12CA0000";
+		i2c104 = &i2c_tunnel;
 	};
 
 	dmc {
@@ -49,7 +50,7 @@
 	};
 
 	/* MAX77802 is on i2c bus 4 */
-	i2c@12ca0000 {
+	i2c@12CA0000 {
 		clock-frequency = <400000>;
 		power-regulator@9 {
 			compatible = "maxim,max77802-pmic";
@@ -57,7 +58,7 @@
 		};
 	};
 
-	i2c@12cd0000 { /* i2c7 */
+	i2c@12CD0000 { /* i2c7 */
 		clock-frequency = <100000>;
 	       soundcodec@20 {
 	              reg = <0x20>;
@@ -69,7 +70,7 @@
                 samsung,codec-type = "max98090";
         };
 
-	i2c@12e10000 { /* i2c9 */
+	i2c@12E10000 { /* i2c9 */
 		clock-frequency = <400000>;
                 tpm@20 {
                         compatible = "infineon,slb9645tt";
@@ -93,29 +94,6 @@
 		};
 	};
 
-	spi@12d40000 { /* spi2 */
-		spi-max-frequency = <4000000>;
-		spi-deactivate-delay = <200>;
-		cros_ec: cros-ec@0 {
-			compatible = "google,cros-ec-spi";
-			reg = <0>;
-			spi-half-duplex;
-			spi-max-timeout-ms = <1100>;
-			ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
-
-			/*
-			 * This describes the flash memory within the EC. Note
-			 * that the STM32L flash erases to 0, not 0xff.
-			 */
-			#address-cells = <1>;
-			#size-cells = <1>;
-			flash@8000000 {
-				reg = <0x08000000 0x20000>;
-				erase-value = <0>;
-			};
-		};
-	};
-
 	xhci@12000000 {
 		samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
 	};
@@ -153,4 +131,103 @@
 	};
 };
 
+&spi_2 {
+	spi-max-frequency = <3125000>;
+	spi-deactivate-delay = <200>;
+	status = "okay";
+	num-cs = <1>;
+	samsung,spi-src-clk = <0>;
+	cs-gpios = <&gpb1 2 0>;
+
+	cros_ec: cros-ec@0 {
+		compatible = "google,cros-ec-spi";
+		interrupt-parent = <&gpx1>;
+		interrupts = <5 0>;
+		reg = <0>;
+		spi-half-duplex;
+		spi-max-timeout-ms = <1100>;
+		ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
+
+		/*
+		 * This describes the flash memory within the EC. Note
+		 * that the STM32L flash erases to 0, not 0xff.
+		 */
+		#address-cells = <1>;
+		#size-cells = <1>;
+		flash@8000000 {
+			reg = <0x08000000 0x20000>;
+			erase-value = <0>;
+		};
+
+		controller-data {
+			samsung,spi-feedback-delay = <1>;
+		};
+
+		i2c_tunnel: i2c-tunnel {
+			compatible = "google,cros-ec-i2c-tunnel";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			google,remote-bus = <0>;
+
+			battery: sbs-battery@b {
+				compatible = "sbs,sbs-battery";
+				reg = <0xb>;
+				sbs,poll-retry-count = <1>;
+				sbs,i2c-retry-count = <2>;
+			};
+
+			power-regulator@48 {
+				compatible = "ti,tps65090";
+				reg = <0x48>;
+
+				regulators {
+					tps65090_dcdc1: dcdc1 {
+						ti,enable-ext-control;
+					};
+					tps65090_dcdc2: dcdc2 {
+						ti,enable-ext-control;
+					};
+					tps65090_dcdc3: dcdc3 {
+						ti,enable-ext-control;
+					};
+					tps65090_fet1: fet1 {
+						regulator-name = "vcd_led";
+					};
+					tps65090_fet2: fet2 {
+						regulator-name = "video_mid";
+						regulator-always-on;
+					};
+					tps65090_fet3: fet3 {
+						regulator-name = "wwan_r";
+						regulator-always-on;
+					};
+					tps65090_fet4: fet4 {
+						regulator-name = "sdcard";
+						regulator-always-on;
+					};
+					tps65090_fet5: fet5 {
+						regulator-name = "camout";
+						regulator-always-on;
+					};
+					tps65090_fet6: fet6 {
+						regulator-name = "lcd_vdd";
+					};
+					tps65090_fet7: fet7 {
+						regulator-name = "video_mid_1a";
+						regulator-always-on;
+					};
+					tps65090_ldo1: ldo1 {
+					};
+					tps65090_ldo2: ldo2 {
+					};
+				};
+
+				charger {
+					compatible = "ti,tps65090-charger";
+				};
+			};
+		};
+	};
+};
+
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/arm/include/asm/arch-exynos/dp_info.h b/arch/arm/include/asm/arch-exynos/dp_info.h
index 3f6750a6b2..17e8f56d90 100644
--- a/arch/arm/include/asm/arch-exynos/dp_info.h
+++ b/arch/arm/include/asm/arch-exynos/dp_info.h
@@ -197,6 +197,4 @@ unsigned int exynos_init_dp(void)
 }
 #endif
 
-void exynos_set_dp_platform_data(struct exynos_dp_platform_data *pd);
-
 #endif /* _DP_INFO_H */
diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h
index 5c1c3d4a93..fdc9e87c69 100644
--- a/arch/arm/include/asm/arch-exynos/periph.h
+++ b/arch/arm/include/asm/arch-exynos/periph.h
@@ -53,6 +53,7 @@ enum periph_id {
 	PERIPH_ID_PWM2,
 	PERIPH_ID_PWM3,
 	PERIPH_ID_PWM4,
+	PERIPH_ID_DPHPD,
 	PERIPH_ID_I2C10 = 203,
 
 	PERIPH_ID_NONE = -1,
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index e5c1733e59..313fa3ff96 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -128,6 +128,15 @@ car_init_ret:
 	andl	$0xfffffff0, %esp
 	post_code(POST_START_STACK)
 
+	/*
+	 * Debug UART is available here although it may not be plumbed out
+	 * to pins depending on the board. To use it:
+	 *
+	 * call  debug_uart_init
+	 * mov   $'a', %eax
+	 * call  printch
+	 */
+
 	/* Zero the global data since it won't happen later */
 	xorl	%eax, %eax
 	movl	$GENERATED_GBL_DATA_SIZE, %ecx