arch/arm/dts/at91sam9261ek.dts

   1 /*
   2  * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
   3  *
   4  *  Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
   5  *
   6  * Licensed under GPLv2 only.
   7  */
   8 /dts-v1/;
   9 #include "at91sam9261.dtsi"
  10
  11 / {
  12         model = "Atmel at91sam9261ek";
  13         compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9";
  14
  15         chosen {
  16                 bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw";
  17                 stdout-path = "serial0:115200n8";
  18         };
  19
  20         memory {
  21                 reg = <0x20000000 0x4000000>;
  22         };
  23
  24         clocks {
  25                 slow_xtal {
  26                         clock-frequency = <32768>;
  27                 };
  28
  29                 main_xtal {
  30                         clock-frequency = <18432000>;
  31                 };
  32         };
  33
  34         ahb {
  35                 usb0: ohci@00500000 {
  36                         status = "okay";
  37                 };
  38
  39                 fb0: fb@0x00600000 {
  40                         display = <&display0>;
  41                         atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
  42                         status = "okay";
  43
  44                         display0: display {
  45                                 bits-per-pixel = <16>;
  46                                 atmel,lcdcon-backlight;
  47                                 atmel,dmacon = <0x1>;
  48                                 atmel,lcdcon2 = <0x80008002>;
  49                                 atmel,guard-time = <1>;
  50                                 atmel,lcd-wiring-mode = "BRG";
  51
  52                                 display-timings {
  53                                         native-mode = <&timing0>;
  54                                         timing0: timing0 {
  55                                                 clock-frequency = <4965000>;
  56                                                 hactive = <240>;
  57                                                 vactive = <320>;
  58                                                 hback-porch = <1>;
  59                                                 hfront-porch = <33>;
  60                                                 vback-porch = <1>;
  61                                                 vfront-porch = <0>;
  62                                                 hsync-len = <5>;
  63                                                 vsync-len = <1>;
  64                                                 hsync-active = <1>;
  65                                                 vsync-active = <1>;
  66                                         };
  67                                 };
  68                         };
  69                 };
  70
  71                 nand0: nand@40000000 {
  72                         nand-bus-width = <8>;
  73                         nand-ecc-mode = "soft";
  74                         nand-on-flash-bbt;
  75                         status = "okay";
  76
  77                         at91bootstrap@0 {
  78                                 label = "at91bootstrap";
  79                                 reg = <0x0 0x40000>;
  80                         };
  81
  82                         bootloader@40000 {
  83                                 label = "bootloader";
  84                                 reg = <0x40000 0x80000>;
  85                         };
  86
  87                         bootloaderenv@c0000 {
  88                                 label = "bootloader env";
  89                                 reg = <0xc0000 0xc0000>;
  90                         };
  91
  92                         dtb@180000 {
  93                                 label = "device tree";
  94                                 reg = <0x180000 0x80000>;
  95                         };
  96
  97                         kernel@200000 {
  98                                 label = "kernel";
  99                                 reg = <0x200000 0x600000>;
 100                         };
 101
 102                         rootfs@800000 {
 103                                 label = "rootfs";
 104                                 reg = <0x800000 0x0f800000>;
 105                         };
 106                 };
 107
 108                 apb {
 109                         usb1: gadget@fffa4000 {
 110                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 111                                 status = "okay";
 112                         };
 113
 114                         spi0: spi@fffc8000 {
 115                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 116                                 status = "okay";
 117
 118                                 mtd_dataflash@0 {
 119                                         compatible = "atmel,at45", "atmel,dataflash";
 120                                         reg = <0>;
 121                                         spi-max-frequency = <15000000>;
 122                                 };
 123
 124                                 tsc2046@0 {
 125                                         reg = <2>;
 126                                         compatible = "ti,ads7843";
 127                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 128                                         spi-max-frequency = <3000000>;
 129                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 130
 131                                         ti,x-min = /bits/ 16 <150>;
 132                                         ti,x-max = /bits/ 16 <3830>;
 133                                         ti,y-min = /bits/ 16 <190>;
 134                                         ti,y-max = /bits/ 16 <3830>;
 135                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 136                                         ti,x-plate-ohms = /bits/ 16 <450>;
 137                                         ti,y-plate-ohms = /bits/ 16 <250>;
 138                                         ti,pressure-max = /bits/ 16 <15000>;
 139                                         ti,debounce-rep = /bits/ 16 <0>;
 140                                         ti,debounce-tol = /bits/ 16 <65535>;
 141                                         ti,debounce-max = /bits/ 16 <1>;
 142
 143                                         wakeup-source;
 144                                 };
 145                         };
 146
 147                         dbgu: serial@fffff200 {
 148                                 status = "okay";
 149                         };
 150
 151                         watchdog@fffffd40 {
 152                                 status = "okay";
 153                         };
 154
 155                 };
 156         };
 157
 158         leds {
 159                 compatible = "gpio-leds";
 160
 161                 ds8 {
 162                         label = "ds8";
 163                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 164                         linux,default-trigger = "none";
 165                 };
 166
 167                 ds7 {
 168                         label = "ds7";
 169                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 170                         linux,default-trigger = "nand-disk";
 171                 };
 172
 173                 ds1 {
 174                         label = "ds1";
 175                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 176                         linux,default-trigger = "heartbeat";
 177                 };
 178         };
 179
 180         gpio_keys {
 181                 compatible = "gpio-keys";
 182
 183                 button_0 {
 184                         label = "button_0";
 185                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 186                         linux,code = <256>;
 187                         wakeup-source;
 188                 };
 189
 190                 button_1 {
 191                         label = "button_1";
 192                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 193                         linux,code = <257>;
 194                         wakeup-source;
 195                 };
 196
 197                 button_2 {
 198                         label = "button_2";
 199                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 200                         linux,code = <258>;
 201                         wakeup-source;
 202                 };
 203
 204                 button_3 {
 205                         label = "button_3";
 206                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 207                         linux,code = <259>;
 208                         wakeup-source;
 209                 };
 210         };
 211 };