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@40000000 {
  27                 device_type = "memory";
  28                 reg = <0x40000000 0x80000000>;
  29         };
  30
  31         chosen {
  32                 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
  33                 stdout-path = &serial_1;
  34         };
  35
  36         fixed-rate-clocks {
  37                 xxti {
  38                         compatible = "samsung,clock-xxti";
  39                         clock-frequency = <12000000>;
  40                 };
  41
  42                 xusbxti {
  43                         compatible = "samsung,clock-xusbxti";
  44                         clock-frequency = <24000000>;
  45                 };
  46         };
  47 };
  48
  49 &i2c_0 {
  50         #address-cells = <1>;
  51         #size-cells = <0>;
  52         samsung,i2c-sda-delay = <100>;
  53         samsung,i2c-max-bus-freq = <100000>;
  54         status = "okay";
  55
  56         eeprom@50 {
  57                 compatible = "samsung,24ad0xd1";
  58                 reg = <0x50>;
  59         };
  60
  61         eeprom@52 {
  62                 compatible = "samsung,24ad0xd1";
  63                 reg = <0x52>;
  64         };
  65 };
  66
  67 &keypad {
  68         samsung,keypad-num-rows = <2>;
  69         samsung,keypad-num-columns = <8>;
  70         linux,keypad-no-autorepeat;
  71         wakeup-source;
  72         pinctrl-names = "default";
  73         pinctrl-0 = <&keypad_rows &keypad_cols>;
  74         status = "okay";
  75
  76         key_1 {
  77                 keypad,row = <0>;
  78                 keypad,column = <3>;
  79                 linux,code = <2>;
  80         };
  81
  82         key_2 {
  83                 keypad,row = <0>;
  84                 keypad,column = <4>;
  85                 linux,code = <3>;
  86         };
  87
  88         key_3 {
  89                 keypad,row = <0>;
  90                 keypad,column = <5>;
  91                 linux,code = <4>;
  92         };
  93
  94         key_4 {
  95                 keypad,row = <0>;
  96                 keypad,column = <6>;
  97                 linux,code = <5>;
  98         };
  99
 100         key_5 {
 101                 keypad,row = <0>;
 102                 keypad,column = <7>;
 103                 linux,code = <6>;
 104         };
 105
 106         key_a {
 107                 keypad,row = <1>;
 108                 keypad,column = <3>;
 109                 linux,code = <30>;
 110         };
 111
 112         key_b {
 113                 keypad,row = <1>;
 114                 keypad,column = <4>;
 115                 linux,code = <48>;
 116         };
 117
 118         key_c {
 119                 keypad,row = <1>;
 120                 keypad,column = <5>;
 121                 linux,code = <46>;
 122         };
 123
 124         key_d {
 125                 keypad,row = <1>;
 126                 keypad,column = <6>;
 127                 linux,code = <32>;
 128         };
 129
 130         key_e {
 131                 keypad,row = <1>;
 132                 keypad,column = <7>;
 133                 linux,code = <18>;
 134         };
 135 };
 136
 137 &pinctrl_1 {
 138         keypad_rows: keypad-rows {
 139                 samsung,pins = "gpx2-0", "gpx2-1";
 140                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 141                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 142                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 143         };
 144
 145         keypad_cols: keypad-cols {
 146                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 147                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 148                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 149                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 150                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 151         };
 152 };
 153
 154 &sdhci_2 {
 155         bus-width = <4>;
 156         pinctrl-names = "default";
 157         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 158         status = "okay";
 159 };
 160
 161 &serial_0 {
 162         status = "okay";
 163 };
 164
 165 &serial_1 {
 166         status = "okay";
 167 };
 168
 169 &serial_2 {
 170         status = "okay";
 171 };
 172
 173 &serial_3 {
 174         status = "okay";
 175 };
 176
 177 &spi_2 {
 178         cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
 179         status = "okay";
 180
 181         w25x80@0 {
 182                 #address-cells = <1>;
 183                 #size-cells = <1>;
 184                 compatible = "w25x80";
 185                 reg = <0>;
 186                 spi-max-frequency = <1000000>;
 187
 188                 controller-data {
 189                         samsung,spi-feedback-delay = <0>;
 190                 };
 191
 192                 partition@0 {
 193                         label = "U-Boot";
 194                         reg = <0x0 0x40000>;
 195                         read-only;
 196                 };
 197
 198                 partition@40000 {
 199                         label = "Kernel";
 200                         reg = <0x40000 0xc0000>;
 201                 };
 202         };
 203 };