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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Samsung's Exynos4412 based SMDK board device tree source
   4  *
   5  * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
   6  *              http://www.samsung.com
   7  *
   8  * Device tree source file for Samsung's SMDK4412 board which is based on
   9  * Samsung's Exynos4412 SoC.
  10  */
  11
  12 /dts-v1/;
  13 #include "exynos4412.dtsi"
  14 #include "exynos-mfc-reserved-memory.dtsi"
  15
  16 / {
  17         model = "Samsung SMDK evaluation board based on Exynos4412";
  18         compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4";
  19
  20         memory@40000000 {
  21                 device_type = "memory";
  22                 reg = <0x40000000 0x40000000>;
  23         };
  24
  25         chosen {
  26                 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
  27                 stdout-path = &serial_1;
  28         };
  29
  30         fixed-rate-clocks {
  31                 xxti {
  32                         compatible = "samsung,clock-xxti";
  33                         clock-frequency = <0>;
  34                 };
  35
  36                 xusbxti {
  37                         compatible = "samsung,clock-xusbxti";
  38                         clock-frequency = <24000000>;
  39                 };
  40         };
  41 };
  42
  43 &keypad {
  44         samsung,keypad-num-rows = <3>;
  45         samsung,keypad-num-columns = <8>;
  46         linux,keypad-no-autorepeat;
  47         wakeup-source;
  48         pinctrl-0 = <&keypad_rows &keypad_cols>;
  49         pinctrl-names = "default";
  50         status = "okay";
  51
  52         key_1 {
  53                 keypad,row = <1>;
  54                 keypad,column = <3>;
  55                 linux,code = <2>;
  56         };
  57
  58         key_2 {
  59                 keypad,row = <1>;
  60                 keypad,column = <4>;
  61                 linux,code = <3>;
  62         };
  63
  64         key_3 {
  65                 keypad,row = <1>;
  66                 keypad,column = <5>;
  67                 linux,code = <4>;
  68         };
  69
  70         key_4 {
  71                 keypad,row = <1>;
  72                 keypad,column = <6>;
  73                 linux,code = <5>;
  74         };
  75
  76         key_5 {
  77                 keypad,row = <1>;
  78                 keypad,column = <7>;
  79                 linux,code = <6>;
  80         };
  81
  82         key_A {
  83                 keypad,row = <2>;
  84                 keypad,column = <6>;
  85                 linux,code = <30>;
  86         };
  87
  88         key_B {
  89                 keypad,row = <2>;
  90                 keypad,column = <7>;
  91                 linux,code = <48>;
  92         };
  93
  94         key_C {
  95                 keypad,row = <0>;
  96                 keypad,column = <5>;
  97                 linux,code = <46>;
  98         };
  99
 100         key_D {
 101                 keypad,row = <2>;
 102                 keypad,column = <5>;
 103                 linux,code = <32>;
 104         };
 105
 106         key_E {
 107                 keypad,row = <0>;
 108                 keypad,column = <7>;
 109                 linux,code = <18>;
 110         };
 111 };
 112
 113 &pinctrl_1 {
 114         keypad_rows: keypad-rows {
 115                 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
 116                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 117                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 118                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 119         };
 120
 121         keypad_cols: keypad-cols {
 122                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 123                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 124                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 125                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 126                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 127         };
 128 };
 129
 130 &sdhci_2 {
 131         bus-width = <4>;
 132         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 133         pinctrl-names = "default";
 134         status = "okay";
 135 };
 136
 137 &serial_0 {
 138         status = "okay";
 139 };
 140
 141 &serial_1 {
 142         status = "okay";
 143 };
 144
 145 &serial_2 {
 146         status = "okay";
 147 };
 148
 149 &serial_3 {
 150         status = "okay";
 151 };