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 = "console=ttyS0,115200 rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw";
  17         };
  18
  19         memory {
  20                 reg = <0x20000000 0x4000000>;
  21         };
  22
  23         main_xtal {
  24                 clock-frequency = <18432000>;
  25         };
  26
  27         clocks {
  28                 #address-cells = <1>;
  29                 #size-cells = <1>;
  30                 ranges;
  31
  32                 main_clock: clock@0 {
  33                         compatible = "atmel,osc", "fixed-clock";
  34                         clock-frequency = <18432000>;
  35                 };
  36         };
  37
  38         ahb {
  39                 usb0: ohci@00500000 {
  40                         status = "okay";
  41                 };
  42
  43                 fb0: fb@0x00600000 {
  44                         display = <&display0>;
  45                         atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>;
  46                         status = "okay";
  47
  48                         display0: display {
  49                                 bits-per-pixel = <16>;
  50                                 atmel,lcdcon-backlight;
  51                                 atmel,dmacon = <0x1>;
  52                                 atmel,lcdcon2 = <0x80008002>;
  53                                 atmel,guard-time = <1>;
  54                                 atmel,lcd-wiring-mode = "BRG";
  55
  56                                 display-timings {
  57                                         native-mode = <&timing0>;
  58                                         timing0: timing0 {
  59                                                 clock-frequency = <4965000>;
  60                                                 hactive = <240>;
  61                                                 vactive = <320>;
  62                                                 hback-porch = <1>;
  63                                                 hfront-porch = <33>;
  64                                                 vback-porch = <1>;
  65                                                 vfront-porch = <0>;
  66                                                 hsync-len = <5>;
  67                                                 vsync-len = <1>;
  68                                                 hsync-active = <1>;
  69                                                 vsync-active = <1>;
  70                                         };
  71                                 };
  72                         };
  73                 };
  74
  75                 nand0: nand@40000000 {
  76                         nand-bus-width = <8>;
  77                         nand-ecc-mode = "soft";
  78                         nand-on-flash-bbt;
  79                         status = "okay";
  80
  81                         at91bootstrap@0 {
  82                                 label = "at91bootstrap";
  83                                 reg = <0x0 0x40000>;
  84                         };
  85
  86                         bootloader@40000 {
  87                                 label = "bootloader";
  88                                 reg = <0x40000 0x80000>;
  89                         };
  90
  91                         bootloaderenv@c0000 {
  92                                 label = "bootloader env";
  93                                 reg = <0xc0000 0xc0000>;
  94                         };
  95
  96                         dtb@180000 {
  97                                 label = "device tree";
  98                                 reg = <0x180000 0x80000>;
  99                         };
 100
 101                         kernel@200000 {
 102                                 label = "kernel";
 103                                 reg = <0x200000 0x600000>;
 104                         };
 105
 106                         rootfs@800000 {
 107                                 label = "rootfs";
 108                                 reg = <0x800000 0x0f800000>;
 109                         };
 110                 };
 111
 112                 apb {
 113                         usb1: gadget@fffa4000 {
 114                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 115                                 status = "okay";
 116                         };
 117
 118                         spi0: spi@fffc8000 {
 119                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 120                                 status = "okay";
 121
 122                                 mtd_dataflash@0 {
 123                                         compatible = "atmel,at45", "atmel,dataflash";
 124                                         reg = <0>;
 125                                         spi-max-frequency = <15000000>;
 126                                 };
 127
 128                                 tsc2046@0 {
 129                                         reg = <2>;
 130                                         compatible = "ti,ads7843";
 131                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 132                                         spi-max-frequency = <3000000>;
 133                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 134
 135                                         ti,x-min = /bits/ 16 <150>;
 136                                         ti,x-max = /bits/ 16 <3830>;
 137                                         ti,y-min = /bits/ 16 <190>;
 138                                         ti,y-max = /bits/ 16 <3830>;
 139                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 140                                         ti,x-plate-ohms = /bits/ 16 <450>;
 141                                         ti,y-plate-ohms = /bits/ 16 <250>;
 142                                         ti,pressure-max = /bits/ 16 <15000>;
 143                                         ti,debounce-rep = /bits/ 16 <0>;
 144                                         ti,debounce-tol = /bits/ 16 <65535>;
 145                                         ti,debounce-max = /bits/ 16 <1>;
 146
 147                                         linux,wakeup;
 148                                 };
 149                         };
 150
 151                         dbgu: serial@fffff200 {
 152                                 status = "okay";
 153                         };
 154
 155                         watchdog@fffffd40 {
 156                                 status = "okay";
 157                         };
 158
 159                 };
 160         };
 161
 162         leds {
 163                 compatible = "gpio-leds";
 164
 165                 ds8 {
 166                         label = "ds8";
 167                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 168                         linux,default-trigger = "none";
 169                 };
 170
 171                 ds7 {
 172                         label = "ds7";
 173                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 174                         linux,default-trigger = "nand-disk";
 175                 };
 176
 177                 ds1 {
 178                         label = "ds1";
 179                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 180                         linux,default-trigger = "heartbeat";
 181                 };
 182         };
 183
 184         gpio_keys {
 185                 compatible = "gpio-keys";
 186
 187                 button_0 {
 188                         label = "button_0";
 189                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 190                         linux,code = <256>;
 191                         gpio-key,wakeup;
 192                 };
 193
 194                 button_1 {
 195                         label = "button_1";
 196                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 197                         linux,code = <257>;
 198                         gpio-key,wakeup;
 199                 };
 200
 201                 button_2 {
 202                         label = "button_2";
 203                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 204                         linux,code = <258>;
 205                         gpio-key,wakeup;
 206                 };
 207
 208                 button_3 {
 209                         label = "button_3";
 210                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 211                         linux,code = <259>;
 212                         gpio-key,wakeup;
 213                 };
 214         };
 215 };