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
  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 &g2d {
  45         status = "okay";
  46 };
  47
  48 &keypad {
  49         samsung,keypad-num-rows = <3>;
  50         samsung,keypad-num-columns = <8>;
  51         linux,keypad-no-autorepeat;
  52         linux,keypad-wakeup;
  53         pinctrl-0 = <&keypad_rows &keypad_cols>;
  54         pinctrl-names = "default";
  55         status = "okay";
  56
  57         key_1 {
  58                 keypad,row = <1>;
  59                 keypad,column = <3>;
  60                 linux,code = <2>;
  61         };
  62
  63         key_2 {
  64                 keypad,row = <1>;
  65                 keypad,column = <4>;
  66                 linux,code = <3>;
  67         };
  68
  69         key_3 {
  70                 keypad,row = <1>;
  71                 keypad,column = <5>;
  72                 linux,code = <4>;
  73         };
  74
  75         key_4 {
  76                 keypad,row = <1>;
  77                 keypad,column = <6>;
  78                 linux,code = <5>;
  79         };
  80
  81         key_5 {
  82                 keypad,row = <1>;
  83                 keypad,column = <7>;
  84                 linux,code = <6>;
  85         };
  86
  87         key_A {
  88                 keypad,row = <2>;
  89                 keypad,column = <6>;
  90                 linux,code = <30>;
  91         };
  92
  93         key_B {
  94                 keypad,row = <2>;
  95                 keypad,column = <7>;
  96                 linux,code = <48>;
  97         };
  98
  99         key_C {
 100                 keypad,row = <0>;
 101                 keypad,column = <5>;
 102                 linux,code = <46>;
 103         };
 104
 105         key_D {
 106                 keypad,row = <2>;
 107                 keypad,column = <5>;
 108                 linux,code = <32>;
 109         };
 110
 111         key_E {
 112                 keypad,row = <0>;
 113                 keypad,column = <7>;
 114                 linux,code = <18>;
 115         };
 116 };
 117
 118 &mfc {
 119         samsung,mfc-r = <0x43000000 0x800000>;
 120         samsung,mfc-l = <0x51000000 0x800000>;
 121         status = "okay";
 122 };
 123
 124 &pinctrl_1 {
 125         keypad_rows: keypad-rows {
 126                 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
 127                 samsung,pin-function = <3>;
 128                 samsung,pin-pud = <3>;
 129                 samsung,pin-drv = <0>;
 130         };
 131
 132         keypad_cols: keypad-cols {
 133                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 134                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 135                 samsung,pin-function = <3>;
 136                 samsung,pin-pud = <0>;
 137                 samsung,pin-drv = <0>;
 138         };
 139 };
 140
 141 &sdhci_2 {
 142         bus-width = <4>;
 143         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 144         pinctrl-names = "default";
 145         status = "okay";
 146 };
 147
 148 &serial_0 {
 149         status = "okay";
 150 };
 151
 152 &serial_1 {
 153         status = "okay";
 154 };
 155
 156 &serial_2 {
 157         status = "okay";
 158 };
 159
 160 &serial_3 {
 161         status = "okay";
 162 };