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";
  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         };
  29
  30         g2d@10800000 {
  31                 status = "okay";
  32         };
  33
  34         pinctrl@11000000 {
  35                 keypad_rows: keypad-rows {
  36                         samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
  37                         samsung,pin-function = <3>;
  38                         samsung,pin-pud = <3>;
  39                         samsung,pin-drv = <0>;
  40                 };
  41
  42                 keypad_cols: keypad-cols {
  43                         samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
  44                                        "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
  45                         samsung,pin-function = <3>;
  46                         samsung,pin-pud = <0>;
  47                         samsung,pin-drv = <0>;
  48                 };
  49         };
  50
  51         keypad@100A0000 {
  52                 samsung,keypad-num-rows = <3>;
  53                 samsung,keypad-num-columns = <8>;
  54                 linux,keypad-no-autorepeat;
  55                 linux,keypad-wakeup;
  56                 pinctrl-0 = <&keypad_rows &keypad_cols>;
  57                 pinctrl-names = "default";
  58                 status = "okay";
  59
  60                 key_1 {
  61                         keypad,row = <1>;
  62                         keypad,column = <3>;
  63                         linux,code = <2>;
  64                 };
  65
  66                 key_2 {
  67                         keypad,row = <1>;
  68                         keypad,column = <4>;
  69                         linux,code = <3>;
  70                 };
  71
  72                 key_3 {
  73                         keypad,row = <1>;
  74                         keypad,column = <5>;
  75                         linux,code = <4>;
  76                 };
  77
  78                 key_4 {
  79                         keypad,row = <1>;
  80                         keypad,column = <6>;
  81                         linux,code = <5>;
  82                 };
  83
  84                 key_5 {
  85                         keypad,row = <1>;
  86                         keypad,column = <7>;
  87                         linux,code = <6>;
  88                 };
  89
  90                 key_A {
  91                         keypad,row = <2>;
  92                         keypad,column = <6>;
  93                         linux,code = <30>;
  94                 };
  95
  96                 key_B {
  97                         keypad,row = <2>;
  98                         keypad,column = <7>;
  99                         linux,code = <48>;
 100                 };
 101
 102                 key_C {
 103                         keypad,row = <0>;
 104                         keypad,column = <5>;
 105                         linux,code = <46>;
 106                 };
 107
 108                 key_D {
 109                         keypad,row = <2>;
 110                         keypad,column = <5>;
 111                         linux,code = <32>;
 112                 };
 113
 114                 key_E {
 115                         keypad,row = <0>;
 116                         keypad,column = <7>;
 117                         linux,code = <18>;
 118                 };
 119         };
 120
 121         sdhci@12530000 {
 122                 bus-width = <4>;
 123                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 124                 pinctrl-names = "default";
 125                 status = "okay";
 126         };
 127
 128         codec@13400000 {
 129                 samsung,mfc-r = <0x43000000 0x800000>;
 130                 samsung,mfc-l = <0x51000000 0x800000>;
 131                 status = "okay";
 132         };
 133
 134         serial@13800000 {
 135                 status = "okay";
 136         };
 137
 138         serial@13810000 {
 139                 status = "okay";
 140         };
 141
 142         serial@13820000 {
 143                 status = "okay";
 144         };
 145
 146         serial@13830000 {
 147                 status = "okay";
 148         };
 149
 150         fixed-rate-clocks {
 151                 xxti {
 152                         compatible = "samsung,clock-xxti";
 153                         clock-frequency = <0>;
 154                 };
 155
 156                 xusbxti {
 157                         compatible = "samsung,clock-xusbxti";
 158                         clock-frequency = <24000000>;
 159                 };
 160         };
 161 };