exynos: dts: Add device tree node for cros_ec keyboard

Add a keyboard definition so that the keyboard can be used on pit.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/dts/exynos5420-peach-pit.dts

@@ -28,6 +28,61 @@
 		pmic = "/i2c@12ca0000";
 	};
 
+	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>;
+	};
+
 	dmc {
 		mem-manuf = "samsung";
 		mem-type = "ddr3";