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@40000000 {
  24                 device_type = "memory";
  25                 reg = <0x40000000 0x40000000>;
  26         };
  27
  28         chosen {
  29                 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
  30                 stdout-path = &serial_1;
  31         };
  32
  33         fixed-rate-clocks {
  34                 xxti {
  35                         compatible = "samsung,clock-xxti";
  36                         clock-frequency = <0>;
  37                 };
  38
  39                 xusbxti {
  40                         compatible = "samsung,clock-xusbxti";
  41                         clock-frequency = <24000000>;
  42                 };
  43         };
  44 };
  45
  46 &keypad {
  47         samsung,keypad-num-rows = <3>;
  48         samsung,keypad-num-columns = <8>;
  49         linux,keypad-no-autorepeat;
  50         wakeup-source;
  51         pinctrl-0 = <&keypad_rows &keypad_cols>;
  52         pinctrl-names = "default";
  53         status = "okay";
  54
  55         key_1 {
  56                 keypad,row = <1>;
  57                 keypad,column = <3>;
  58                 linux,code = <2>;
  59         };
  60
  61         key_2 {
  62                 keypad,row = <1>;
  63                 keypad,column = <4>;
  64                 linux,code = <3>;
  65         };
  66
  67         key_3 {
  68                 keypad,row = <1>;
  69                 keypad,column = <5>;
  70                 linux,code = <4>;
  71         };
  72
  73         key_4 {
  74                 keypad,row = <1>;
  75                 keypad,column = <6>;
  76                 linux,code = <5>;
  77         };
  78
  79         key_5 {
  80                 keypad,row = <1>;
  81                 keypad,column = <7>;
  82                 linux,code = <6>;
  83         };
  84
  85         key_A {
  86                 keypad,row = <2>;
  87                 keypad,column = <6>;
  88                 linux,code = <30>;
  89         };
  90
  91         key_B {
  92                 keypad,row = <2>;
  93                 keypad,column = <7>;
  94                 linux,code = <48>;
  95         };
  96
  97         key_C {
  98                 keypad,row = <0>;
  99                 keypad,column = <5>;
 100                 linux,code = <46>;
 101         };
 102
 103         key_D {
 104                 keypad,row = <2>;
 105                 keypad,column = <5>;
 106                 linux,code = <32>;
 107         };
 108
 109         key_E {
 110                 keypad,row = <0>;
 111                 keypad,column = <7>;
 112                 linux,code = <18>;
 113         };
 114 };
 115
 116 &pinctrl_1 {
 117         keypad_rows: keypad-rows {
 118                 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
 119                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 120                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 121                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 122         };
 123
 124         keypad_cols: keypad-cols {
 125                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 126                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 127                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 128                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 129                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 130         };
 131 };
 132
 133 &sdhci_2 {
 134         bus-width = <4>;
 135         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 136         pinctrl-names = "default";
 137         status = "okay";
 138 };
 139
 140 &serial_0 {
 141         status = "okay";
 142 };
 143
 144 &serial_1 {
 145         status = "okay";
 146 };
 147
 148 &serial_2 {
 149         status = "okay";
 150 };
 151
 152 &serial_3 {
 153         status = "okay";
 154 };