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 #include <dt-bindings/gpio/gpio.h>
  20
  21 / {
  22         model = "Samsung smdkv310 evaluation board based on Exynos4210";
  23         compatible = "samsung,smdkv310", "samsung,exynos4210", "samsung,exynos4";
  24
  25         memory {
  26                 reg = <0x40000000 0x80000000>;
  27         };
  28
  29         chosen {
  30                 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
  31                 stdout-path = &serial_1;
  32         };
  33
  34         fixed-rate-clocks {
  35                 xxti {
  36                         compatible = "samsung,clock-xxti";
  37                         clock-frequency = <12000000>;
  38                 };
  39
  40                 xusbxti {
  41                         compatible = "samsung,clock-xusbxti";
  42                         clock-frequency = <24000000>;
  43                 };
  44         };
  45 };
  46
  47 &g2d {
  48         status = "okay";
  49 };
  50
  51 &i2c_0 {
  52         #address-cells = <1>;
  53         #size-cells = <0>;
  54         samsung,i2c-sda-delay = <100>;
  55         samsung,i2c-max-bus-freq = <100000>;
  56         status = "okay";
  57
  58         eeprom@50 {
  59                 compatible = "samsung,24ad0xd1";
  60                 reg = <0x50>;
  61         };
  62
  63         eeprom@52 {
  64                 compatible = "samsung,24ad0xd1";
  65                 reg = <0x52>;
  66         };
  67 };
  68
  69 &keypad {
  70         samsung,keypad-num-rows = <2>;
  71         samsung,keypad-num-columns = <8>;
  72         linux,keypad-no-autorepeat;
  73         linux,keypad-wakeup;
  74         pinctrl-names = "default";
  75         pinctrl-0 = <&keypad_rows &keypad_cols>;
  76         status = "okay";
  77
  78         key_1 {
  79                 keypad,row = <0>;
  80                 keypad,column = <3>;
  81                 linux,code = <2>;
  82         };
  83
  84         key_2 {
  85                 keypad,row = <0>;
  86                 keypad,column = <4>;
  87                 linux,code = <3>;
  88         };
  89
  90         key_3 {
  91                 keypad,row = <0>;
  92                 keypad,column = <5>;
  93                 linux,code = <4>;
  94         };
  95
  96         key_4 {
  97                 keypad,row = <0>;
  98                 keypad,column = <6>;
  99                 linux,code = <5>;
 100         };
 101
 102         key_5 {
 103                 keypad,row = <0>;
 104                 keypad,column = <7>;
 105                 linux,code = <6>;
 106         };
 107
 108         key_a {
 109                 keypad,row = <1>;
 110                 keypad,column = <3>;
 111                 linux,code = <30>;
 112         };
 113
 114         key_b {
 115                 keypad,row = <1>;
 116                 keypad,column = <4>;
 117                 linux,code = <48>;
 118         };
 119
 120         key_c {
 121                 keypad,row = <1>;
 122                 keypad,column = <5>;
 123                 linux,code = <46>;
 124         };
 125
 126         key_d {
 127                 keypad,row = <1>;
 128                 keypad,column = <6>;
 129                 linux,code = <32>;
 130         };
 131
 132         key_e {
 133                 keypad,row = <1>;
 134                 keypad,column = <7>;
 135                 linux,code = <18>;
 136         };
 137 };
 138
 139 &mfc {
 140         samsung,mfc-r = <0x43000000 0x800000>;
 141         samsung,mfc-l = <0x51000000 0x800000>;
 142         status = "okay";
 143 };
 144
 145 &pinctrl_1 {
 146         keypad_rows: keypad-rows {
 147                 samsung,pins = "gpx2-0", "gpx2-1";
 148                 samsung,pin-function = <3>;
 149                 samsung,pin-pud = <3>;
 150                 samsung,pin-drv = <0>;
 151         };
 152
 153         keypad_cols: keypad-cols {
 154                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 155                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 156                 samsung,pin-function = <3>;
 157                 samsung,pin-pud = <0>;
 158                 samsung,pin-drv = <0>;
 159         };
 160 };
 161
 162 &sdhci_2 {
 163         bus-width = <4>;
 164         pinctrl-names = "default";
 165         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 166         status = "okay";
 167 };
 168
 169 &serial_0 {
 170         status = "okay";
 171 };
 172
 173 &serial_1 {
 174         status = "okay";
 175 };
 176
 177 &serial_2 {
 178         status = "okay";
 179 };
 180
 181 &serial_3 {
 182         status = "okay";
 183 };
 184
 185 &spi_2 {
 186         cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
 187         status = "okay";
 188
 189         w25x80@0 {
 190                 #address-cells = <1>;
 191                 #size-cells = <1>;
 192                 compatible = "w25x80";
 193                 reg = <0>;
 194                 spi-max-frequency = <1000000>;
 195
 196                 controller-data {
 197                         samsung,spi-feedback-delay = <0>;
 198                 };
 199
 200                 partition@0 {
 201                         label = "U-Boot";
 202                         reg = <0x0 0x40000>;
 203                         read-only;
 204                 };
 205
 206                 partition@40000 {
 207                         label = "Kernel";
 208                         reg = <0x40000 0xc0000>;
 209                 };
 210         };
 211 };