1/* 2 * Samsung's Exynos4412 based SMDK board device tree source 3 * 4 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com 6 * 7 * Device tree source file for Samsung's SMDK4412 board which is based on 8 * Samsung's Exynos4412 SoC. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13*/ 14 15/dts-v1/; 16#include "exynos4412.dtsi" 17 18/ { 19 model = "Samsung SMDK evaluation board based on Exynos4412"; 20 compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4"; 21 22 memory { 23 reg = <0x40000000 0x40000000>; 24 }; 25 26 chosen { 27 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc"; 28 stdout-path = &serial_1; 29 }; 30 31 fixed-rate-clocks { 32 xxti { 33 compatible = "samsung,clock-xxti"; 34 clock-frequency = <0>; 35 }; 36 37 xusbxti { 38 compatible = "samsung,clock-xusbxti"; 39 clock-frequency = <24000000>; 40 }; 41 }; 42}; 43 44&keypad { 45 samsung,keypad-num-rows = <3>; 46 samsung,keypad-num-columns = <8>; 47 linux,keypad-no-autorepeat; 48 linux,keypad-wakeup; 49 pinctrl-0 = <&keypad_rows &keypad_cols>; 50 pinctrl-names = "default"; 51 status = "okay"; 52 53 key_1 { 54 keypad,row = <1>; 55 keypad,column = <3>; 56 linux,code = <2>; 57 }; 58 59 key_2 { 60 keypad,row = <1>; 61 keypad,column = <4>; 62 linux,code = <3>; 63 }; 64 65 key_3 { 66 keypad,row = <1>; 67 keypad,column = <5>; 68 linux,code = <4>; 69 }; 70 71 key_4 { 72 keypad,row = <1>; 73 keypad,column = <6>; 74 linux,code = <5>; 75 }; 76 77 key_5 { 78 keypad,row = <1>; 79 keypad,column = <7>; 80 linux,code = <6>; 81 }; 82 83 key_A { 84 keypad,row = <2>; 85 keypad,column = <6>; 86 linux,code = <30>; 87 }; 88 89 key_B { 90 keypad,row = <2>; 91 keypad,column = <7>; 92 linux,code = <48>; 93 }; 94 95 key_C { 96 keypad,row = <0>; 97 keypad,column = <5>; 98 linux,code = <46>; 99 }; 100 101 key_D { 102 keypad,row = <2>; 103 keypad,column = <5>; 104 linux,code = <32>; 105 }; 106 107 key_E { 108 keypad,row = <0>; 109 keypad,column = <7>; 110 linux,code = <18>; 111 }; 112}; 113 114&mfc { 115 samsung,mfc-r = <0x43000000 0x800000>; 116 samsung,mfc-l = <0x51000000 0x800000>; 117 status = "okay"; 118}; 119 120&pinctrl_1 { 121 keypad_rows: keypad-rows { 122 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2"; 123 samsung,pin-function = <3>; 124 samsung,pin-pud = <3>; 125 samsung,pin-drv = <0>; 126 }; 127 128 keypad_cols: keypad-cols { 129 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3", 130 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7"; 131 samsung,pin-function = <3>; 132 samsung,pin-pud = <0>; 133 samsung,pin-drv = <0>; 134 }; 135}; 136 137&sdhci_2 { 138 bus-width = <4>; 139 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; 140 pinctrl-names = "default"; 141 status = "okay"; 142}; 143 144&serial_0 { 145 status = "okay"; 146}; 147 148&serial_1 { 149 status = "okay"; 150}; 151 152&serial_2 { 153 status = "okay"; 154}; 155 156&serial_3 { 157 status = "okay"; 158}; 159