arch/arm/boot/dts/at91sam9rlek.dts

   1 /*
   2  * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
   3  *
   4  *  Copyright (C) 2014  Alexandre Belloni <alexandre.belloni@free-electrons.com>
   5  *
   6  * Licensed under GPLv2 only
   7  */
   8 /dts-v1/;
   9 #include "at91sam9rl.dtsi"
  10
  11 / {
  12         model = "Atmel at91sam9rlek";
  13         compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";
  14
  15         chosen {
  16                 bootargs = "console=ttyS0,115200 rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
  17         };
  18
  19         memory {
  20                 reg = <0x20000000 0x4000000>;
  21         };
  22
  23         clocks {
  24                 #address-cells = <1>;
  25                 #size-cells = <1>;
  26                 ranges;
  27
  28                 main_clock: clock {
  29                         compatible = "atmel,osc", "fixed-clock";
  30                         clock-frequency = <12000000>;
  31                 };
  32         };
  33
  34         ahb {
  35                 nand0: nand@40000000 {
  36                         nand-bus-width = <8>;
  37                         nand-ecc-mode = "soft";
  38                         nand-on-flash-bbt = <1>;
  39                         status = "okay";
  40
  41                         at91bootstrap@0 {
  42                                 label = "at91bootstrap";
  43                                 reg = <0x0 0x40000>;
  44                         };
  45
  46                         bootloader@40000 {
  47                                 label = "bootloader";
  48                                 reg = <0x40000 0x80000>;
  49                         };
  50
  51                         bootloaderenv@c0000 {
  52                                 label = "bootloader env";
  53                                 reg = <0xc0000 0xc0000>;
  54                         };
  55
  56                         dtb@180000 {
  57                                 label = "device tree";
  58                                 reg = <0x180000 0x80000>;
  59                         };
  60
  61                         kernel@200000 {
  62                                 label = "kernel";
  63                                 reg = <0x200000 0x600000>;
  64                         };
  65
  66                         rootfs@800000 {
  67                                 label = "rootfs";
  68                                 reg = <0x800000 0x0f800000>;
  69                         };
  70                 };
  71
  72                 apb {
  73                         mmc0: mmc@fffa4000 {
  74                                 pinctrl-0 = <
  75                                         &pinctrl_board_mmc0
  76                                         &pinctrl_mmc0_clk
  77                                         &pinctrl_mmc0_slot0_cmd_dat0
  78                                         &pinctrl_mmc0_slot0_dat1_3>;
  79                                 status = "okay";
  80                                 slot@0 {
  81                                         reg = <0>;
  82                                         bus-width = <4>;
  83                                         cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
  84                                 };
  85                         };
  86
  87                         usart0: serial@fffb0000 {
  88                                 pinctrl-0 = <
  89                                         &pinctrl_usart0
  90                                         &pinctrl_usart0_rts
  91                                         &pinctrl_usart0_cts>;
  92                                 status = "okay";
  93                         };
  94
  95                         dbgu: serial@fffff200 {
  96                                 status = "okay";
  97                         };
  98
  99                         pinctrl@fffff400 {
 100                                 mmc0 {
 101                                         pinctrl_board_mmc0: mmc0-board {
 102                                                 atmel,pins =
 103                                                         <AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 104                                         };
 105                                 };
 106                         };
 107
 108                         pmc: pmc@fffffc00 {
 109                                 main: mainck {
 110                                         clock-frequency = <12000000>;
 111                                 };
 112                         };
 113
 114                         watchdog@fffffd40 {
 115                                 status = "okay";
 116                         };
 117                 };
 118         };
 119
 120         leds {
 121                 compatible = "gpio-leds";
 122
 123                 ds1 {
 124                         label = "ds1";
 125                         gpios = <&pioD 15 GPIO_ACTIVE_LOW>;
 126                 };
 127
 128                 ds2 {
 129                         label = "ds2";
 130                         gpios = <&pioD 16 GPIO_ACTIVE_LOW>;
 131                 };
 132
 133                 ds3 {
 134                         label = "ds3";
 135                         gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
 136                         linux,default-trigger = "heartbeat";
 137                 };
 138         };
 139
 140         gpio_keys {
 141                 compatible = "gpio-keys";
 142
 143                 right_click {
 144                         label = "right_click";
 145                         gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
 146                         linux,code = <273>;
 147                         gpio-key,wakeup;
 148                 };
 149
 150                 left_click {
 151                         label = "left_click";
 152                         gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
 153                         linux,code = <272>;
 154                         gpio-key,wakeup;
 155                 };
 156         };
 157 };