arch/arm/boot/dts/exynos4412-smdk4412.dts

   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 #include "exynos-mfc-reserved-memory.dtsi"
  18
  19 / {
  20         model = "Samsung SMDK evaluation board based on Exynos4412";
  21         compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
  22
  23         memory {
  24                 reg = <0x40000000 0x40000000>;
  25         };
  26
  27         chosen {
  28                 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
  29                 stdout-path = &serial_1;
  30         };
  31
  32         fixed-rate-clocks {
  33                 xxti {
  34                         compatible = "samsung,clock-xxti";
  35                         clock-frequency = <0>;
  36                 };
  37
  38                 xusbxti {
  39                         compatible = "samsung,clock-xusbxti";
  40                         clock-frequency = <24000000>;
  41                 };
  42         };
  43 };
  44
  45 &keypad {
  46         samsung,keypad-num-rows = <3>;
  47         samsung,keypad-num-columns = <8>;
  48         linux,keypad-no-autorepeat;
  49         wakeup-source;
  50         pinctrl-0 = <&keypad_rows &keypad_cols>;
  51         pinctrl-names = "default";
  52         status = "okay";
  53
  54         key_1 {
  55                 keypad,row = <1>;
  56                 keypad,column = <3>;
  57                 linux,code = <2>;
  58         };
  59
  60         key_2 {
  61                 keypad,row = <1>;
  62                 keypad,column = <4>;
  63                 linux,code = <3>;
  64         };
  65
  66         key_3 {
  67                 keypad,row = <1>;
  68                 keypad,column = <5>;
  69                 linux,code = <4>;
  70         };
  71
  72         key_4 {
  73                 keypad,row = <1>;
  74                 keypad,column = <6>;
  75                 linux,code = <5>;
  76         };
  77
  78         key_5 {
  79                 keypad,row = <1>;
  80                 keypad,column = <7>;
  81                 linux,code = <6>;
  82         };
  83
  84         key_A {
  85                 keypad,row = <2>;
  86                 keypad,column = <6>;
  87                 linux,code = <30>;
  88         };
  89
  90         key_B {
  91                 keypad,row = <2>;
  92                 keypad,column = <7>;
  93                 linux,code = <48>;
  94         };
  95
  96         key_C {
  97                 keypad,row = <0>;
  98                 keypad,column = <5>;
  99                 linux,code = <46>;
 100         };
 101
 102         key_D {
 103                 keypad,row = <2>;
 104                 keypad,column = <5>;
 105                 linux,code = <32>;
 106         };
 107
 108         key_E {
 109                 keypad,row = <0>;
 110                 keypad,column = <7>;
 111                 linux,code = <18>;
 112         };
 113 };
 114
 115 &pinctrl_1 {
 116         keypad_rows: keypad-rows {
 117                 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
 118                 samsung,pin-function = <3>;
 119                 samsung,pin-pud = <3>;
 120                 samsung,pin-drv = <0>;
 121         };
 122
 123         keypad_cols: keypad-cols {
 124                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 125                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 126                 samsung,pin-function = <3>;
 127                 samsung,pin-pud = <0>;
 128                 samsung,pin-drv = <0>;
 129         };
 130 };
 131
 132 &sdhci_2 {
 133         bus-width = <4>;
 134         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 135         pinctrl-names = "default";
 136         status = "okay";
 137 };
 138
 139 &serial_0 {
 140         status = "okay";
 141 };
 142
 143 &serial_1 {
 144         status = "okay";
 145 };
 146
 147 &serial_2 {
 148         status = "okay";
 149 };
 150
 151 &serial_3 {
 152         status = "okay";
 153 };