arch/arm/boot/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                 #address-cells = <1>;
  26                 #size-cells = <1>;
  27                 ranges;
  28
  29                 main_clock: clock@0 {
  30                         compatible = "atmel,osc", "fixed-clock";
  31                         clock-frequency = <18432000>;
  32                 };
  33
  34                 slow_xtal {
  35                         clock-frequency = <32768>;
  36                 };
  37
  38                 main_xtal {
  39                         clock-frequency = <18432000>;
  40                 };
  41         };
  42
  43         ahb {
  44                 usb0: ohci@00500000 {
  45                         status = "okay";
  46                 };
  47
  48                 fb0: fb@0x00600000 {
  49                         display = <&display0>;
  50                         atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
  51                         status = "okay";
  52
  53                         display0: display {
  54                                 bits-per-pixel = <16>;
  55                                 atmel,lcdcon-backlight;
  56                                 atmel,dmacon = <0x1>;
  57                                 atmel,lcdcon2 = <0x80008002>;
  58                                 atmel,guard-time = <1>;
  59                                 atmel,lcd-wiring-mode = "BRG";
  60
  61                                 display-timings {
  62                                         native-mode = <&timing0>;
  63                                         timing0: timing0 {
  64                                                 clock-frequency = <4965000>;
  65                                                 hactive = <240>;
  66                                                 vactive = <320>;
  67                                                 hback-porch = <1>;
  68                                                 hfront-porch = <33>;
  69                                                 vback-porch = <1>;
  70                                                 vfront-porch = <0>;
  71                                                 hsync-len = <5>;
  72                                                 vsync-len = <1>;
  73                                                 hsync-active = <1>;
  74                                                 vsync-active = <1>;
  75                                         };
  76                                 };
  77                         };
  78                 };
  79
  80                 nand0: nand@40000000 {
  81                         nand-bus-width = <8>;
  82                         nand-ecc-mode = "soft";
  83                         nand-on-flash-bbt;
  84                         status = "okay";
  85
  86                         at91bootstrap@0 {
  87                                 label = "at91bootstrap";
  88                                 reg = <0x0 0x40000>;
  89                         };
  90
  91                         bootloader@40000 {
  92                                 label = "bootloader";
  93                                 reg = <0x40000 0x80000>;
  94                         };
  95
  96                         bootloaderenv@c0000 {
  97                                 label = "bootloader env";
  98                                 reg = <0xc0000 0xc0000>;
  99                         };
 100
 101                         dtb@180000 {
 102                                 label = "device tree";
 103                                 reg = <0x180000 0x80000>;
 104                         };
 105
 106                         kernel@200000 {
 107                                 label = "kernel";
 108                                 reg = <0x200000 0x600000>;
 109                         };
 110
 111                         rootfs@800000 {
 112                                 label = "rootfs";
 113                                 reg = <0x800000 0x0f800000>;
 114                         };
 115                 };
 116
 117                 apb {
 118                         usb1: gadget@fffa4000 {
 119                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 120                                 status = "okay";
 121                         };
 122
 123                         spi0: spi@fffc8000 {
 124                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 125                                 status = "okay";
 126
 127                                 mtd_dataflash@0 {
 128                                         compatible = "atmel,at45", "atmel,dataflash";
 129                                         reg = <0>;
 130                                         spi-max-frequency = <15000000>;
 131                                 };
 132
 133                                 tsc2046@0 {
 134                                         reg = <2>;
 135                                         compatible = "ti,ads7843";
 136                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 137                                         spi-max-frequency = <3000000>;
 138                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 139
 140                                         ti,x-min = /bits/ 16 <150>;
 141                                         ti,x-max = /bits/ 16 <3830>;
 142                                         ti,y-min = /bits/ 16 <190>;
 143                                         ti,y-max = /bits/ 16 <3830>;
 144                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 145                                         ti,x-plate-ohms = /bits/ 16 <450>;
 146                                         ti,y-plate-ohms = /bits/ 16 <250>;
 147                                         ti,pressure-max = /bits/ 16 <15000>;
 148                                         ti,debounce-rep = /bits/ 16 <0>;
 149                                         ti,debounce-tol = /bits/ 16 <65535>;
 150                                         ti,debounce-max = /bits/ 16 <1>;
 151
 152                                         linux,wakeup;
 153                                 };
 154                         };
 155
 156                         dbgu: serial@fffff200 {
 157                                 status = "okay";
 158                         };
 159
 160                         watchdog@fffffd40 {
 161                                 status = "okay";
 162                         };
 163
 164                 };
 165         };
 166
 167         leds {
 168                 compatible = "gpio-leds";
 169
 170                 ds8 {
 171                         label = "ds8";
 172                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 173                         linux,default-trigger = "none";
 174                 };
 175
 176                 ds7 {
 177                         label = "ds7";
 178                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 179                         linux,default-trigger = "nand-disk";
 180                 };
 181
 182                 ds1 {
 183                         label = "ds1";
 184                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 185                         linux,default-trigger = "heartbeat";
 186                 };
 187         };
 188
 189         gpio_keys {
 190                 compatible = "gpio-keys";
 191
 192                 button_0 {
 193                         label = "button_0";
 194                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 195                         linux,code = <256>;
 196                         gpio-key,wakeup;
 197                 };
 198
 199                 button_1 {
 200                         label = "button_1";
 201                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 202                         linux,code = <257>;
 203                         gpio-key,wakeup;
 204                 };
 205
 206                 button_2 {
 207                         label = "button_2";
 208                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 209                         linux,code = <258>;
 210                         gpio-key,wakeup;
 211                 };
 212
 213                 button_3 {
 214                         label = "button_3";
 215                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 216                         linux,code = <259>;
 217                         gpio-key,wakeup;
 218                 };
 219         };
 220 };