kernel/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         g2d@10800000 {
  32                 status = "okay";
  33         };
  34
  35         pinctrl@11000000 {
  36                 keypad_rows: keypad-rows {
  37                         samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
  38                         samsung,pin-function = <3>;
  39                         samsung,pin-pud = <3>;
  40                         samsung,pin-drv = <0>;
  41                 };
  42
  43                 keypad_cols: keypad-cols {
  44                         samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
  45                                        "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
  46                         samsung,pin-function = <3>;
  47                         samsung,pin-pud = <0>;
  48                         samsung,pin-drv = <0>;
  49                 };
  50         };
  51
  52         keypad@100A0000 {
  53                 samsung,keypad-num-rows = <3>;
  54                 samsung,keypad-num-columns = <8>;
  55                 linux,keypad-no-autorepeat;
  56                 linux,keypad-wakeup;
  57                 pinctrl-0 = <&keypad_rows &keypad_cols>;
  58                 pinctrl-names = "default";
  59                 status = "okay";
  60
  61                 key_1 {
  62                         keypad,row = <1>;
  63                         keypad,column = <3>;
  64                         linux,code = <2>;
  65                 };
  66
  67                 key_2 {
  68                         keypad,row = <1>;
  69                         keypad,column = <4>;
  70                         linux,code = <3>;
  71                 };
  72
  73                 key_3 {
  74                         keypad,row = <1>;
  75                         keypad,column = <5>;
  76                         linux,code = <4>;
  77                 };
  78
  79                 key_4 {
  80                         keypad,row = <1>;
  81                         keypad,column = <6>;
  82                         linux,code = <5>;
  83                 };
  84
  85                 key_5 {
  86                         keypad,row = <1>;
  87                         keypad,column = <7>;
  88                         linux,code = <6>;
  89                 };
  90
  91                 key_A {
  92                         keypad,row = <2>;
  93                         keypad,column = <6>;
  94                         linux,code = <30>;
  95                 };
  96
  97                 key_B {
  98                         keypad,row = <2>;
  99                         keypad,column = <7>;
 100                         linux,code = <48>;
 101                 };
 102
 103                 key_C {
 104                         keypad,row = <0>;
 105                         keypad,column = <5>;
 106                         linux,code = <46>;
 107                 };
 108
 109                 key_D {
 110                         keypad,row = <2>;
 111                         keypad,column = <5>;
 112                         linux,code = <32>;
 113                 };
 114
 115                 key_E {
 116                         keypad,row = <0>;
 117                         keypad,column = <7>;
 118                         linux,code = <18>;
 119                 };
 120         };
 121
 122         sdhci@12530000 {
 123                 bus-width = <4>;
 124                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
 125                 pinctrl-names = "default";
 126                 status = "okay";
 127         };
 128
 129         codec@13400000 {
 130                 samsung,mfc-r = <0x43000000 0x800000>;
 131                 samsung,mfc-l = <0x51000000 0x800000>;
 132                 status = "okay";
 133         };
 134
 135         serial@13800000 {
 136                 status = "okay";
 137         };
 138
 139         serial@13810000 {
 140                 status = "okay";
 141         };
 142
 143         serial@13820000 {
 144                 status = "okay";
 145         };
 146
 147         serial@13830000 {
 148                 status = "okay";
 149         };
 150
 151         fixed-rate-clocks {
 152                 xxti {
 153                         compatible = "samsung,clock-xxti";
 154                         clock-frequency = <0>;
 155                 };
 156
 157                 xusbxti {
 158                         compatible = "samsung,clock-xusbxti";
 159                         clock-frequency = <24000000>;
 160                 };
 161         };
 162 };