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 &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 };