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

   1 /*
   2  * Samsung's Exynos4210 based Origen 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 Insignal's Origen 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 = "Insignal Origen evaluation board based on Exynos4210";
  22         compatible = "insignal,origen", "samsung,exynos4210";
  23
  24         memory {
  25                 reg = <0x40000000 0x10000000
  26                        0x50000000 0x10000000
  27                        0x60000000 0x10000000
  28                        0x70000000 0x10000000>;
  29         };
  30
  31         chosen {
  32                 bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
  33         };
  34
  35         mmc_reg: voltage-regulator {
  36                 compatible = "regulator-fixed";
  37                 regulator-name = "VMEM_VDD_2.8V";
  38                 regulator-min-microvolt = <2800000>;
  39                 regulator-max-microvolt = <2800000>;
  40                 gpio = <&gpx1 1 0>;
  41                 enable-active-high;
  42         };
  43
  44         sdhci@12530000 {
  45                 bus-width = <4>;
  46                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
  47                 pinctrl-names = "default";
  48                 vmmc-supply = <&mmc_reg>;
  49                 status = "okay";
  50         };
  51
  52         sdhci@12510000 {
  53                 bus-width = <4>;
  54                 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
  55                 pinctrl-names = "default";
  56                 vmmc-supply = <&mmc_reg>;
  57                 status = "okay";
  58         };
  59
  60         codec@13400000 {
  61                 samsung,mfc-r = <0x43000000 0x800000>;
  62                 samsung,mfc-l = <0x51000000 0x800000>;
  63                 status = "okay";
  64         };
  65
  66         serial@13800000 {
  67                 status = "okay";
  68         };
  69
  70         serial@13810000 {
  71                 status = "okay";
  72         };
  73
  74         serial@13820000 {
  75                 status = "okay";
  76         };
  77
  78         serial@13830000 {
  79                 status = "okay";
  80         };
  81
  82         gpio_keys {
  83                 compatible = "gpio-keys";
  84                 #address-cells = <1>;
  85                 #size-cells = <0>;
  86
  87                 up {
  88                         label = "Up";
  89                         gpios = <&gpx2 0 1>;
  90                         linux,code = <103>;
  91                         gpio-key,wakeup;
  92                 };
  93
  94                 down {
  95                         label = "Down";
  96                         gpios = <&gpx2 1 1>;
  97                         linux,code = <108>;
  98                         gpio-key,wakeup;
  99                 };
 100
 101                 back {
 102                         label = "Back";
 103                         gpios = <&gpx1 7 1>;
 104                         linux,code = <158>;
 105                         gpio-key,wakeup;
 106                 };
 107
 108                 home {
 109                         label = "Home";
 110                         gpios = <&gpx1 6 1>;
 111                         linux,code = <102>;
 112                         gpio-key,wakeup;
 113                 };
 114
 115                 menu {
 116                         label = "Menu";
 117                         gpios = <&gpx1 5 1>;
 118                         linux,code = <139>;
 119                         gpio-key,wakeup;
 120                 };
 121         };
 122
 123         leds {
 124                 compatible = "gpio-leds";
 125                 status {
 126                         gpios = <&gpx1 3 1>;
 127                         linux,default-trigger = "heartbeat";
 128                 };
 129         };
 130
 131         fixed-rate-clocks {
 132                 xxti {
 133                         compatible = "samsung,clock-xxti";
 134                         clock-frequency = <0>;
 135                 };
 136
 137                 xusbxti {
 138                         compatible = "samsung,clock-xusbxti";
 139                         clock-frequency = <24000000>;
 140                 };
 141         };
 142 };