cros: exynos: add cros-ec device nodes to exynos5250-snow.dts

This patch adds cros-ec related device nodes to exynos5250-snow.dts.
It also adds a gpio node to exynos5250.dtsi.

Signed-off-by: Hung-ying Tyan <tyanh@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/exynos5250.dtsi

@@ -202,4 +202,6 @@
 		interrupts = <0 78 0>;
 	};
 
+	gpio: gpio {
+	};
 };

board/samsung/dts/exynos5250-snow.dts

@@ -32,6 +32,33 @@
 		spi4 = "/spi@131b0000";
 	};
 
+	i2c4: i2c@12ca0000 {
+		cros-ec@1e {
+			reg = <0x1e>;
+			compatible = "google,cros-ec";
+			i2c-max-frequency = <100000>;
+			ec-interrupt = <&gpio 782 1>;
+		};
+
+		power-regulator@48 {
+			compatible = "ti,tps65090";
+			reg = <0x48>;
+		};
+	};
+
+	spi@131b0000 {
+		spi-max-frequency = <1000000>;
+		spi-deactivate-delay = <100>;
+		cros-ec@0 {
+			reg = <0>;
+			compatible = "google,cros-ec";
+			spi-max-frequency = <5000000>;
+			ec-interrupt = <&gpio 782 1>;
+			optimise-flash-write;
+			status = "disabled";
+		};
+	};
+
 	sound@12d60000 {
 		samsung,i2s-epll-clock-frequency = <192000000>;
 		samsung,i2s-sampling-rate = <48000>;
@@ -69,4 +96,58 @@
 		samsung,dc-value	= <25>;
 	};
 
+	cros-ec-keyb {
+		compatible = "google,cros-ec-keyb";
+		google,key-rows = <8>;
+		google,key-columns = <13>;
+		google,repeat-delay-ms = <240>;
+		google,repeat-rate-ms = <30>;
+		google,ghost-filter;
+		/*
+		 * Keymap entries take the form of 0xRRCCKKKK where
+		 * RR=Row CC=Column KKKK=Key Code
+		 * The values below are for a US keyboard layout and
+		 * are taken from the Linux driver. Note that the
+		 * 102ND key is not used for US keyboards.
+		 */
+		linux,keymap = <
+			/* CAPSLCK F1         B          F10     */
+			0x0001003a 0x0002003b 0x00030030 0x00040044
+			/* N       =          R_ALT      ESC     */
+			0x00060031 0x0008000d 0x000a0064 0x01010001
+			/* F4      G          F7         H       */
+			0x0102003e 0x01030022 0x01040041 0x01060023
+			/* '       F9         BKSPACE    L_CTRL  */
+			0x01080028 0x01090043 0x010b000e 0x0200001d
+			/* TAB     F3         T          F6      */
+			0x0201000f 0x0202003d 0x02030014 0x02040040
+			/* ]       Y          102ND      [       */
+			0x0205001b 0x02060015 0x02070056 0x0208001a
+			/* F8      GRAVE      F2         5       */
+			0x02090042 0x03010029 0x0302003c 0x03030006
+			/* F5      6          -          \       */
+			0x0304003f 0x03060007 0x0308000c 0x030b002b
+			/* R_CTRL  A          D          F       */
+			0x04000061 0x0401001e 0x04020020 0x04030021
+			/* S       K          J          ;       */
+			0x0404001f 0x04050025 0x04060024 0x04080027
+			/* L       ENTER      Z          C       */
+			0x04090026 0x040b001c 0x0501002c 0x0502002e
+			/* V       X          ,          M       */
+			0x0503002f 0x0504002d 0x05050033 0x05060032
+			/* L_SHIFT /          .          SPACE   */
+			0x0507002a 0x05080035 0x05090034 0x050B0039
+			/* 1       3          4          2       */
+			0x06010002 0x06020004 0x06030005 0x06040003
+			/* 8       7          0          9       */
+			0x06050009 0x06060008 0x0608000b 0x0609000a
+			/* L_ALT   DOWN       RIGHT      Q       */
+			0x060a0038 0x060b006c 0x060c006a 0x07010010
+			/* E       R          W          I       */
+			0x07020012 0x07030013 0x07040011 0x07050017
+			/* U       R_SHIFT    P          O       */
+			0x07060016 0x07070036 0x07080019 0x07090018
+			/* UP      LEFT    */
+			0x070b0067 0x070c0069>;
+	};
 };