arch/arm/boot/dts/exynos4210-smdkv310.dts

   1 /*
   2  * Samsung's Exynos4210 based SMDKV310 board device tree source
   3  *
   4  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
   5  *              http://www.samsung.com
   6  * Copyright (c) 2010-2011 Linaro Ltd.
   7  *              www.linaro.org
   8  *
   9  * Device tree source file for Samsung's SMDKV310 board which is based on
  10  * Samsung's Exynos4210 SoC.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15 */
  16
  17 /dts-v1/;
  18 /include/ "exynos4210.dtsi"
  19
  20 / {
  21         model = "Samsung smdkv310 evaluation board based on Exynos4210";
  22         compatible = "samsung,smdkv310", "samsung,exynos4210";
  23
  24         memory {
  25                 reg = <0x40000000 0x80000000>;
  26         };
  27
  28         chosen {
  29                 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
  30         };
  31
  32         sdhci@12530000 {
  33                 samsung,sdhci-bus-width = <4>;
  34                 linux,mmc_cap_4_bit_data;
  35                 samsung,sdhci-cd-internal;
  36                 gpio-cd = <&gpk2 2 2 3 3>;
  37                 gpios = <&gpk2 0 2 0 3>,
  38                         <&gpk2 1 2 0 3>,
  39                         <&gpk2 3 2 3 3>,
  40                         <&gpk2 4 2 3 3>,
  41                         <&gpk2 5 2 3 3>,
  42                         <&gpk2 6 2 3 3>;
  43                 status = "okay";
  44         };
  45
  46         keypad@100A0000 {
  47                 samsung,keypad-num-rows = <2>;
  48                 samsung,keypad-num-columns = <8>;
  49                 linux,keypad-no-autorepeat;
  50                 linux,keypad-wakeup;
  51                 status = "okay";
  52
  53                 row-gpios = <&gpx2 0 3 3 0>,
  54                             <&gpx2 1 3 3 0>;
  55
  56                 col-gpios = <&gpx1 0 3 0 0>,
  57                             <&gpx1 1 3 0 0>,
  58                             <&gpx1 2 3 0 0>,
  59                             <&gpx1 3 3 0 0>,
  60                             <&gpx1 4 3 0 0>,
  61                             <&gpx1 5 3 0 0>,
  62                             <&gpx1 6 3 0 0>,
  63                             <&gpx1 7 3 0 0>;
  64
  65                 key_1 {
  66                         keypad,row = <0>;
  67                         keypad,column = <3>;
  68                         linux,code = <2>;
  69                 };
  70
  71                 key_2 {
  72                         keypad,row = <0>;
  73                         keypad,column = <4>;
  74                         linux,code = <3>;
  75                 };
  76
  77                 key_3 {
  78                         keypad,row = <0>;
  79                         keypad,column = <5>;
  80                         linux,code = <4>;
  81                 };
  82
  83                 key_4 {
  84                         keypad,row = <0>;
  85                         keypad,column = <6>;
  86                         linux,code = <5>;
  87                 };
  88
  89                 key_5 {
  90                         keypad,row = <0>;
  91                         keypad,column = <7>;
  92                         linux,code = <6>;
  93                 };
  94
  95                 key_a {
  96                         keypad,row = <1>;
  97                         keypad,column = <3>;
  98                         linux,code = <30>;
  99                 };
 100
 101                 key_b {
 102                         keypad,row = <1>;
 103                         keypad,column = <4>;
 104                         linux,code = <48>;
 105                 };
 106
 107                 key_c {
 108                         keypad,row = <1>;
 109                         keypad,column = <5>;
 110                         linux,code = <46>;
 111                 };
 112
 113                 key_d {
 114                         keypad,row = <1>;
 115                         keypad,column = <6>;
 116                         linux,code = <32>;
 117                 };
 118
 119                 key_e {
 120                         keypad,row = <1>;
 121                         keypad,column = <7>;
 122                         linux,code = <18>;
 123                 };
 124         };
 125
 126         i2c@13860000 {
 127                 #address-cells = <1>;
 128                 #size-cells = <0>;
 129                 samsung,i2c-sda-delay = <100>;
 130                 samsung,i2c-max-bus-freq = <20000>;
 131                 gpios = <&gpd1 0 2 3 0>,
 132                         <&gpd1 1 2 3 0>;
 133                 status = "okay";
 134
 135                 eeprom@50 {
 136                         compatible = "samsung,24ad0xd1";
 137                         reg = <0x50>;
 138                 };
 139
 140                 eeprom@52 {
 141                         compatible = "samsung,24ad0xd1";
 142                         reg = <0x52>;
 143                 };
 144         };
 145
 146         spi_2: spi@13940000 {
 147                 gpios = <&gpc1 1 5 3 0>,
 148                         <&gpc1 3 5 3 0>,
 149                         <&gpc1 4 5 3 0>;
 150                 status = "okay";
 151
 152                 w25x80@0 {
 153                         #address-cells = <1>;
 154                         #size-cells = <1>;
 155                         compatible = "w25x80";
 156                         reg = <0>;
 157                         spi-max-frequency = <1000000>;
 158
 159                         controller-data {
 160                                 cs-gpio = <&gpc1 2 1 0 3>;
 161                                 samsung,spi-feedback-delay = <0>;
 162                         };
 163
 164                         partition@0 {
 165                                 label = "U-Boot";
 166                                 reg = <0x0 0x40000>;
 167                                 read-only;
 168                         };
 169
 170                         partition@40000 {
 171                                 label = "Kernel";
 172                                 reg = <0x40000 0xc0000>;
 173                         };
 174                 };
 175         };
 176 };