arch/arm/dts/at91sam9rlek.dts

   1 /*
   2  * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
   3  *
   4  *  Copyright (C) 2014  Alexandre Belloni <alexandre.belloni@free-electrons.com>
   5  *
   6  * Licensed under GPLv2 only
   7  */
   8 /dts-v1/;
   9 #include "at91sam9rl.dtsi"
  10
  11 / {
  12         model = "Atmel at91sam9rlek";
  13         compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";
  14
  15         chosen {
  16                 bootargs = "rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
  17                 stdout-path = "serial0:115200n8";
  18                 u-boot,dm-pre-reloc;
  19         };
  20
  21         memory {
  22                 reg = <0x20000000 0x4000000>;
  23         };
  24
  25         clocks {
  26                 slow_xtal {
  27                         clock-frequency = <32768>;
  28                 };
  29
  30                 main_xtal {
  31                         clock-frequency = <12000000>;
  32                 };
  33         };
  34
  35         ahb {
  36                 fb0: fb@00500000 {
  37                         display = <&display0>;
  38                         status = "okay";
  39
  40                         display0: display {
  41                                 bits-per-pixel = <16>;
  42                                 atmel,lcdcon-backlight;
  43                                 atmel,dmacon = <0x1>;
  44                                 atmel,lcdcon2 = <0x80008002>;
  45                                 atmel,guard-time = <1>;
  46                                 atmel,lcd-wiring-mode = "RGB";
  47
  48                                 display-timings {
  49                                         native-mode = <&timing0>;
  50                                         timing0: timing0 {
  51                                                 clock-frequency = <4965000>;
  52                                                 hactive = <240>;
  53                                                 vactive = <320>;
  54                                                 hback-porch = <1>;
  55                                                 hfront-porch = <33>;
  56                                                 vback-porch = <1>;
  57                                                 vfront-porch = <0>;
  58                                                 hsync-len = <5>;
  59                                                 vsync-len = <1>;
  60                                                 hsync-active = <1>;
  61                                                 vsync-active = <1>;
  62                                         };
  63                                 };
  64                         };
  65                 };
  66
  67                 nand0: nand@40000000 {
  68                         nand-bus-width = <8>;
  69                         nand-ecc-mode = "soft";
  70                         nand-on-flash-bbt = <1>;
  71                         status = "okay";
  72
  73                         at91bootstrap@0 {
  74                                 label = "at91bootstrap";
  75                                 reg = <0x0 0x40000>;
  76                         };
  77
  78                         bootloader@40000 {
  79                                 label = "bootloader";
  80                                 reg = <0x40000 0x80000>;
  81                         };
  82
  83                         bootloaderenv@c0000 {
  84                                 label = "bootloader env";
  85                                 reg = <0xc0000 0xc0000>;
  86                         };
  87
  88                         dtb@180000 {
  89                                 label = "device tree";
  90                                 reg = <0x180000 0x80000>;
  91                         };
  92
  93                         kernel@200000 {
  94                                 label = "kernel";
  95                                 reg = <0x200000 0x600000>;
  96                         };
  97
  98                         rootfs@800000 {
  99                                 label = "rootfs";
 100                                 reg = <0x800000 0x0f800000>;
 101                         };
 102                 };
 103
 104                 apb {
 105                         mmc0: mmc@fffa4000 {
 106                                 pinctrl-0 = <
 107                                         &pinctrl_board_mmc0
 108                                         &pinctrl_mmc0_clk
 109                                         &pinctrl_mmc0_slot0_cmd_dat0
 110                                         &pinctrl_mmc0_slot0_dat1_3>;
 111                                 status = "okay";
 112                                 slot@0 {
 113                                         reg = <0>;
 114                                         bus-width = <4>;
 115                                         cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
 116                                 };
 117                         };
 118
 119                         usart0: serial@fffb0000 {
 120                                 pinctrl-0 = <
 121                                         &pinctrl_usart0
 122                                         &pinctrl_usart0_rts
 123                                         &pinctrl_usart0_cts>;
 124                                 status = "okay";
 125                         };
 126
 127                         adc0: adc@fffd0000 {
 128                                 pinctrl-names = "default";
 129                                 pinctrl-0 = <
 130                                         &pinctrl_adc0_ad0
 131                                         &pinctrl_adc0_ad1
 132                                         &pinctrl_adc0_ad2
 133                                         &pinctrl_adc0_ad3
 134                                         &pinctrl_adc0_ad4
 135                                         &pinctrl_adc0_ad5
 136                                         &pinctrl_adc0_adtrg>;
 137                                 atmel,adc-ts-wires = <4>;
 138                                 status = "okay";
 139                         };
 140
 141                         usb0: gadget@fffd4000 {
 142                                 atmel,vbus-gpio = <&pioA 8 GPIO_ACTIVE_HIGH>;
 143                                 status = "okay";
 144                         };
 145
 146                         spi0: spi@fffcc000 {
 147                                 status = "okay";
 148                                 cs-gpios = <&pioA 28 0>, <0>, <0>, <0>;
 149                                 mtd_dataflash@0 {
 150                                         compatible = "atmel,at45", "atmel,dataflash";
 151                                         spi-max-frequency = <15000000>;
 152                                         reg = <0>;
 153                                 };
 154                         };
 155
 156                         pwm0: pwm@fffc8000 {
 157                                 status = "okay";
 158
 159                                 pinctrl-names = "default";
 160                                 pinctrl-0 = <&pinctrl_pwm0_pwm1_2>,
 161                                         <&pinctrl_pwm0_pwm2_2>;
 162                         };
 163
 164                         dbgu: serial@fffff200 {
 165                                 u-boot,dm-pre-reloc;
 166                                 status = "okay";
 167                         };
 168
 169                         pinctrl@fffff400 {
 170                                 mmc0 {
 171                                         pinctrl_board_mmc0: mmc0-board {
 172                                                 atmel,pins =
 173                                                         <AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 174                                         };
 175                                 };
 176                         };
 177
 178                         watchdog@fffffd40 {
 179                                 status = "okay";
 180                         };
 181
 182                         rtc@fffffe00 {
 183                                 status = "okay";
 184                         };
 185                 };
 186         };
 187
 188         pwmleds {
 189                 compatible = "pwm-leds";
 190
 191                 ds1 {
 192                         label = "ds1";
 193                         pwms = <&pwm0 1 5000 PWM_POLARITY_INVERTED>;
 194                         max-brightness = <255>;
 195                 };
 196
 197                 ds2 {
 198                         label = "ds2";
 199                         pwms = <&pwm0 2 5000 PWM_POLARITY_INVERTED>;
 200                         max-brightness = <255>;
 201                 };
 202         };
 203
 204         leds {
 205                 compatible = "gpio-leds";
 206
 207                 ds3 {
 208                         label = "ds3";
 209                         gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
 210                         linux,default-trigger = "heartbeat";
 211                 };
 212         };
 213
 214         gpio_keys {
 215                 compatible = "gpio-keys";
 216
 217                 right_click {
 218                         label = "right_click";
 219                         gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
 220                         linux,code = <273>;
 221                         wakeup-source;
 222                 };
 223
 224                 left_click {
 225                         label = "left_click";
 226                         gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
 227                         linux,code = <272>;
 228                         wakeup-source;
 229                 };
 230         };
 231
 232         i2c-gpio-0 {
 233                 status = "okay";
 234         };
 235
 236         i2c-gpio-1 {
 237                 status = "okay";
 238         };
 239 };