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                 slow_xtal {
  26                         clock-frequency = <32768>;
  27                 };
  28
  29                 main_xtal {
  30                         clock-frequency = <18432000>;
  31                 };
  32         };
  33
  34         ahb {
  35                 usb0: ohci@500000 {
  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                 ebi: ebi@10000000 {
  72                         status = "okay";
  73
  74                         nand_controller: nand-controller {
  75                                 status = "okay";
  76                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
  77                                 pinctrl-names = "default";
  78
  79                                 nand@3 {
  80                                         reg = <0x3 0x0 0x800000>;
  81                                         rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
  82                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
  83                                         nand-bus-width = <8>;
  84                                         nand-ecc-mode = "soft";
  85                                         nand-on-flash-bbt;
  86                                         label = "atmel_nand";
  87
  88                                         partitions {
  89                                                 compatible = "fixed-partitions";
  90                                                 #address-cells = <1>;
  91                                                 #size-cells = <1>;
  92
  93                                                 at91bootstrap@0 {
  94                                                         label = "at91bootstrap";
  95                                                         reg = <0x0 0x40000>;
  96                                                 };
  97
  98                                                 bootloader@40000 {
  99                                                         label = "bootloader";
 100                                                         reg = <0x40000 0x80000>;
 101                                                 };
 102
 103                                                 bootloaderenv@c0000 {
 104                                                         label = "bootloader env";
 105                                                         reg = <0xc0000 0xc0000>;
 106                                                 };
 107
 108                                                 dtb@180000 {
 109                                                         label = "device tree";
 110                                                         reg = <0x180000 0x80000>;
 111                                                 };
 112
 113                                                 kernel@200000 {
 114                                                         label = "kernel";
 115                                                         reg = <0x200000 0x600000>;
 116                                                 };
 117
 118                                                 rootfs@800000 {
 119                                                         label = "rootfs";
 120                                                         reg = <0x800000 0x0f800000>;
 121                                                 };
 122                                         };
 123                                 };
 124                         };
 125                 };
 126
 127                 apb {
 128                         usb1: gadget@fffa4000 {
 129                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 130                                 status = "okay";
 131                         };
 132
 133                         spi0: spi@fffc8000 {
 134                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 135                                 status = "okay";
 136
 137                                 mtd_dataflash@0 {
 138                                         compatible = "atmel,at45", "atmel,dataflash";
 139                                         reg = <0>;
 140                                         spi-max-frequency = <15000000>;
 141                                 };
 142
 143                                 tsc2046@0 {
 144                                         reg = <2>;
 145                                         compatible = "ti,ads7843";
 146                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 147                                         spi-max-frequency = <3000000>;
 148                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 149
 150                                         ti,x-min = /bits/ 16 <150>;
 151                                         ti,x-max = /bits/ 16 <3830>;
 152                                         ti,y-min = /bits/ 16 <190>;
 153                                         ti,y-max = /bits/ 16 <3830>;
 154                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 155                                         ti,x-plate-ohms = /bits/ 16 <450>;
 156                                         ti,y-plate-ohms = /bits/ 16 <250>;
 157                                         ti,pressure-max = /bits/ 16 <15000>;
 158                                         ti,debounce-rep = /bits/ 16 <0>;
 159                                         ti,debounce-tol = /bits/ 16 <65535>;
 160                                         ti,debounce-max = /bits/ 16 <1>;
 161
 162                                         wakeup-source;
 163                                 };
 164                         };
 165
 166                         dbgu: serial@fffff200 {
 167                                 status = "okay";
 168                         };
 169
 170                         watchdog@fffffd40 {
 171                                 status = "okay";
 172                         };
 173
 174                 };
 175         };
 176
 177         leds {
 178                 compatible = "gpio-leds";
 179
 180                 ds8 {
 181                         label = "ds8";
 182                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 183                         linux,default-trigger = "none";
 184                 };
 185
 186                 ds7 {
 187                         label = "ds7";
 188                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 189                         linux,default-trigger = "nand-disk";
 190                 };
 191
 192                 ds1 {
 193                         label = "ds1";
 194                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 195                         linux,default-trigger = "heartbeat";
 196                 };
 197         };
 198
 199         gpio_keys {
 200                 compatible = "gpio-keys";
 201
 202                 button_0 {
 203                         label = "button_0";
 204                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 205                         linux,code = <256>;
 206                         wakeup-source;
 207                 };
 208
 209                 button_1 {
 210                         label = "button_1";
 211                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 212                         linux,code = <257>;
 213                         wakeup-source;
 214                 };
 215
 216                 button_2 {
 217                         label = "button_2";
 218                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 219                         linux,code = <258>;
 220                         wakeup-source;
 221                 };
 222
 223                 button_3 {
 224                         label = "button_3";
 225                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 226                         linux,code = <259>;
 227                         wakeup-source;
 228                 };
 229         };
 230 };