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                 clocksource {
  20                         timer = <&timer0>;
  21                 };
  22
  23                 clockevent {
  24                         timer = <&timer1>;
  25                 };
  26         };
  27
  28         memory {
  29                 reg = <0x20000000 0x4000000>;
  30         };
  31
  32         clocks {
  33                 slow_xtal {
  34                         clock-frequency = <32768>;
  35                 };
  36
  37                 main_xtal {
  38                         clock-frequency = <18432000>;
  39                 };
  40         };
  41
  42         ahb {
  43                 usb0: ohci@500000 {
  44                         status = "okay";
  45                 };
  46
  47                 fb0: fb@600000 {
  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                 ebi: ebi@10000000 {
  80                         status = "okay";
  81
  82                         nand_controller: nand-controller {
  83                                 status = "okay";
  84                                 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
  85                                 pinctrl-names = "default";
  86
  87                                 nand@3 {
  88                                         reg = <0x3 0x0 0x800000>;
  89                                         rb-gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
  90                                         cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
  91                                         nand-bus-width = <8>;
  92                                         nand-ecc-mode = "soft";
  93                                         nand-on-flash-bbt;
  94                                         label = "atmel_nand";
  95
  96                                         partitions {
  97                                                 compatible = "fixed-partitions";
  98                                                 #address-cells = <1>;
  99                                                 #size-cells = <1>;
 100
 101                                                 at91bootstrap@0 {
 102                                                         label = "at91bootstrap";
 103                                                         reg = <0x0 0x40000>;
 104                                                 };
 105
 106                                                 bootloader@40000 {
 107                                                         label = "bootloader";
 108                                                         reg = <0x40000 0x80000>;
 109                                                 };
 110
 111                                                 bootloaderenv@c0000 {
 112                                                         label = "bootloader env";
 113                                                         reg = <0xc0000 0xc0000>;
 114                                                 };
 115
 116                                                 dtb@180000 {
 117                                                         label = "device tree";
 118                                                         reg = <0x180000 0x80000>;
 119                                                 };
 120
 121                                                 kernel@200000 {
 122                                                         label = "kernel";
 123                                                         reg = <0x200000 0x600000>;
 124                                                 };
 125
 126                                                 rootfs@800000 {
 127                                                         label = "rootfs";
 128                                                         reg = <0x800000 0x0f800000>;
 129                                                 };
 130                                         };
 131                                 };
 132                         };
 133                 };
 134
 135                 apb {
 136                         tcb0: timer@fffa0000 {
 137                                 timer0: timer@0 {
 138                                         compatible = "atmel,tcb-timer";
 139                                         reg = <0>, <1>;
 140                                 };
 141
 142                                 timer1: timer@2 {
 143                                         compatible = "atmel,tcb-timer";
 144                                         reg = <2>;
 145                                 };
 146                         };
 147
 148                         usb1: gadget@fffa4000 {
 149                                 atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>;
 150                                 status = "okay";
 151                         };
 152
 153                         spi0: spi@fffc8000 {
 154                                 cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>;
 155                                 status = "okay";
 156
 157                                 mtd_dataflash@0 {
 158                                         compatible = "atmel,at45", "atmel,dataflash";
 159                                         reg = <0>;
 160                                         spi-max-frequency = <15000000>;
 161                                 };
 162
 163                                 tsc2046@0 {
 164                                         reg = <2>;
 165                                         compatible = "ti,ads7843";
 166                                         interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>;
 167                                         spi-max-frequency = <3000000>;
 168                                         pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>;
 169
 170                                         ti,x-min = /bits/ 16 <150>;
 171                                         ti,x-max = /bits/ 16 <3830>;
 172                                         ti,y-min = /bits/ 16 <190>;
 173                                         ti,y-max = /bits/ 16 <3830>;
 174                                         ti,vref-delay-usecs = /bits/ 16 <450>;
 175                                         ti,x-plate-ohms = /bits/ 16 <450>;
 176                                         ti,y-plate-ohms = /bits/ 16 <250>;
 177                                         ti,pressure-max = /bits/ 16 <15000>;
 178                                         ti,debounce-rep = /bits/ 16 <0>;
 179                                         ti,debounce-tol = /bits/ 16 <65535>;
 180                                         ti,debounce-max = /bits/ 16 <1>;
 181
 182                                         wakeup-source;
 183                                 };
 184                         };
 185
 186                         dbgu: serial@fffff200 {
 187                                 status = "okay";
 188                         };
 189
 190                         watchdog@fffffd40 {
 191                                 status = "okay";
 192                         };
 193
 194                 };
 195         };
 196
 197         leds {
 198                 compatible = "gpio-leds";
 199
 200                 ds8 {
 201                         label = "ds8";
 202                         gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
 203                         linux,default-trigger = "none";
 204                 };
 205
 206                 ds7 {
 207                         label = "ds7";
 208                         gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 209                         linux,default-trigger = "nand-disk";
 210                 };
 211
 212                 ds1 {
 213                         label = "ds1";
 214                         gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
 215                         linux,default-trigger = "heartbeat";
 216                 };
 217         };
 218
 219         gpio_keys {
 220                 compatible = "gpio-keys";
 221
 222                 button_0 {
 223                         label = "button_0";
 224                         gpios = <&pioA 27 GPIO_ACTIVE_LOW>;
 225                         linux,code = <256>;
 226                         wakeup-source;
 227                 };
 228
 229                 button_1 {
 230                         label = "button_1";
 231                         gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
 232                         linux,code = <257>;
 233                         wakeup-source;
 234                 };
 235
 236                 button_2 {
 237                         label = "button_2";
 238                         gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
 239                         linux,code = <258>;
 240                         wakeup-source;
 241                 };
 242
 243                 button_3 {
 244                         label = "button_3";
 245                         gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
 246                         linux,code = <259>;
 247                         wakeup-source;
 248                 };
 249         };
 250 };