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 = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
  18         };
  19
  20         memory {
  21                 reg = <0x20000000 0x8000000>;
  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                                 qt1070: keyboard@1b {
  45                                         compatible = "qt1070";
  46                                         reg = <0x1b>;
  47                                         interrupt-parent = <&pioA>;
  48                                         interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  49                                         pinctrl-names = "default";
  50                                         pinctrl-0 = <&pinctrl_qt1070_irq>;
  51                                 };
  52                         };
  53
  54                         i2c1: i2c@f8014000 {
  55                                 status = "okay";
  56                         };
  57
  58                         mmc0: mmc@f0008000 {
  59                                 pinctrl-0 = <
  60                                         &pinctrl_board_mmc0
  61                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  62                                         &pinctrl_mmc0_slot0_dat1_3>;
  63                                 status = "okay";
  64                                 slot@0 {
  65                                         reg = <0>;
  66                                         bus-width = <4>;
  67                                         cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
  68                                 };
  69                         };
  70
  71                         pinctrl@fffff400 {
  72                                 mmc0 {
  73                                         pinctrl_board_mmc0: mmc0-board {
  74                                                 atmel,pins =
  75                                                         <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;   /* PA7 gpio CD pin pull up and deglitch */
  76                                         };
  77                                 };
  78
  79                                 qt1070 {
  80                                         pinctrl_qt1070_irq: qt1070_irq {
  81                                                 atmel,pins =
  82                                                         <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
  83                                         };
  84                                 };
  85                         };
  86
  87                         spi0: spi@f0000000 {
  88                                 status = "okay";
  89                                 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
  90                                 m25p80@0 {
  91                                         compatible = "atmel,at25df321a";
  92                                         spi-max-frequency = <50000000>;
  93                                         reg = <0>;
  94                                 };
  95                         };
  96
  97                         watchdog@fffffe40 {
  98                                 status = "okay";
  99                         };
 100                 };
 101
 102                 nand0: nand@40000000 {
 103                         nand-bus-width = <8>;
 104                         nand-ecc-mode = "hw";
 105                         atmel,has-pmecc;
 106                         atmel,pmecc-cap = <2>;
 107                         atmel,pmecc-sector-size = <512>;
 108                         nand-on-flash-bbt;
 109                         status = "okay";
 110                 };
 111         };
 112
 113         leds {
 114                 compatible = "gpio-leds";
 115
 116                 d8 {
 117                         label = "d8";
 118                         gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
 119                         linux,default-trigger = "mmc0";
 120                 };
 121
 122                 d9 {
 123                         label = "d6";
 124                         gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
 125                         linux,default-trigger = "nand-disk";
 126                 };
 127
 128                 d10 {
 129                         label = "d7";
 130                         gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
 131                         linux,default-trigger = "heartbeat";
 132                 };
 133         };
 134
 135         gpio_keys {
 136                 compatible = "gpio-keys";
 137
 138                 enter {
 139                         label = "Enter";
 140                         gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
 141                         linux,code = <28>;
 142                         gpio-key,wakeup;
 143                 };
 144         };
 145 };