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