arch/arm/boot/dts/at91sam9n12ek.dts

   1 /*
   2  * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
   3  *
   4  *  Copyright (C) 2012 Atmel,
   5  *                2012 Hong Xu <hong.xu@atmel.com>
   6  *
   7  * Licensed under GPLv2 or later.
   8  */
   9 /dts-v1/;
  10 #include "at91sam9n12.dtsi"
  11
  12 / {
  13         model = "Atmel AT91SAM9N12-EK";
  14         compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
  15
  16         chosen {
  17                 bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
  18         };
  19
  20         memory {
  21                 reg = <0x20000000 0x10000000>;
  22         };
  23
  24         clocks {
  25                 #address-cells = <1>;
  26                 #size-cells = <1>;
  27                 ranges;
  28
  29                 main_clock: clock@0 {
  30                         compatible = "atmel,osc", "fixed-clock";
  31                         clock-frequency = <16000000>;
  32                 };
  33         };
  34
  35         ahb {
  36                 apb {
  37                         dbgu: serial@fffff200 {
  38                                 status = "okay";
  39                         };
  40
  41                         i2c0: i2c@f8010000 {
  42                                 status = "okay";
  43                         };
  44
  45                         i2c1: i2c@f8014000 {
  46                                 status = "okay";
  47                         };
  48
  49                         mmc0: mmc@f0008000 {
  50                                 pinctrl-0 = <
  51                                         &pinctrl_board_mmc0
  52                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  53                                         &pinctrl_mmc0_slot0_dat1_3>;
  54                                 status = "okay";
  55                                 slot@0 {
  56                                         reg = <0>;
  57                                         bus-width = <4>;
  58                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  59                                 };
  60                         };
  61
  62                         pinctrl@fffff400 {
  63                                 mmc0 {
  64                                         pinctrl_board_mmc0: mmc0-board {
  65                                                 atmel,pins =
  66                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  67                                         };
  68                                 };
  69                         };
  70
  71                         spi0: spi@f0000000 {
  72                                 status = "okay";
  73                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
  74                                 m25p80@0 {
  75                                         compatible = "atmel,at25df321a";
  76                                         spi-max-frequency = <50000000>;
  77                                         reg = <0>;
  78                                 };
  79                         };
  80
  81                         watchdog@fffffe40 {
  82                                 status = "okay";
  83                         };
  84                 };
  85
  86                 nand0: nand@40000000 {
  87                         nand-bus-width = <8>;
  88                         nand-ecc-mode = "hw";
  89                         atmel,has-pmecc;
  90                         atmel,pmecc-cap = <2>;
  91                         atmel,pmecc-sector-size = <512>;
  92                         nand-on-flash-bbt;
  93                         status = "okay";
  94                 };
  95         };
  96
  97         leds {
  98                 compatible = "gpio-leds";
  99
 100                 d8 {
 101                         label = "d8";
 102                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 103                         linux,default-trigger = "mmc0";
 104                 };
 105
 106                 d9 {
 107                         label = "d6";
 108                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 109                         linux,default-trigger = "nand-disk";
 110                 };
 111
 112                 d10 {
 113                         label = "d7";
 114                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 115                         linux,default-trigger = "heartbeat";
 116                 };
 117         };
 118
 119         gpio_keys {
 120                 compatible = "gpio-keys";
 121
 122                 enter {
 123                         label = "Enter";
 124                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 125                         linux,code = <28>;
 126                         gpio-key,wakeup;
 127                 };
 128         };
 129 };