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