| /* |
| * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board |
| * |
| * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com> |
| * |
| * Licensed under GPLv2 only. |
| */ |
| /dts-v1/; |
| #include "at91sam9261.dtsi" |
| |
| / { |
| model = "Atmel at91sam9261ek"; |
| compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9"; |
| |
| chosen { |
| bootargs = "rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs rw"; |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| memory { |
| reg = <0x20000000 0x4000000>; |
| }; |
| |
| clocks { |
| slow_xtal { |
| clock-frequency = <32768>; |
| }; |
| |
| main_xtal { |
| clock-frequency = <18432000>; |
| }; |
| }; |
| |
| ahb { |
| usb0: ohci@00500000 { |
| status = "okay"; |
| }; |
| |
| fb0: fb@0x00600000 { |
| display = <&display0>; |
| atmel,power-control-gpio = <&pioA 12 GPIO_ACTIVE_LOW>; |
| status = "okay"; |
| |
| display0: display { |
| bits-per-pixel = <16>; |
| atmel,lcdcon-backlight; |
| atmel,dmacon = <0x1>; |
| atmel,lcdcon2 = <0x80008002>; |
| atmel,guard-time = <1>; |
| atmel,lcd-wiring-mode = "BRG"; |
| |
| display-timings { |
| native-mode = <&timing0>; |
| timing0: timing0 { |
| clock-frequency = <4965000>; |
| hactive = <240>; |
| vactive = <320>; |
| hback-porch = <1>; |
| hfront-porch = <33>; |
| vback-porch = <1>; |
| vfront-porch = <0>; |
| hsync-len = <5>; |
| vsync-len = <1>; |
| hsync-active = <1>; |
| vsync-active = <1>; |
| }; |
| }; |
| }; |
| }; |
| |
| nand0: nand@40000000 { |
| nand-bus-width = <8>; |
| nand-ecc-mode = "soft"; |
| nand-on-flash-bbt; |
| status = "okay"; |
| |
| at91bootstrap@0 { |
| label = "at91bootstrap"; |
| reg = <0x0 0x40000>; |
| }; |
| |
| bootloader@40000 { |
| label = "bootloader"; |
| reg = <0x40000 0x80000>; |
| }; |
| |
| bootloaderenv@c0000 { |
| label = "bootloader env"; |
| reg = <0xc0000 0xc0000>; |
| }; |
| |
| dtb@180000 { |
| label = "device tree"; |
| reg = <0x180000 0x80000>; |
| }; |
| |
| kernel@200000 { |
| label = "kernel"; |
| reg = <0x200000 0x600000>; |
| }; |
| |
| rootfs@800000 { |
| label = "rootfs"; |
| reg = <0x800000 0x0f800000>; |
| }; |
| }; |
| |
| apb { |
| usb1: gadget@fffa4000 { |
| atmel,vbus-gpio = <&pioB 29 GPIO_ACTIVE_HIGH>; |
| status = "okay"; |
| }; |
| |
| spi0: spi@fffc8000 { |
| cs-gpios = <&pioA 3 0>, <0>, <&pioA 28 0>, <0>; |
| status = "okay"; |
| |
| mtd_dataflash@0 { |
| compatible = "atmel,at45", "atmel,dataflash"; |
| reg = <0>; |
| spi-max-frequency = <15000000>; |
| }; |
| |
| tsc2046@0 { |
| reg = <2>; |
| compatible = "ti,ads7843"; |
| interrupts-extended = <&pioC 2 IRQ_TYPE_EDGE_BOTH>; |
| spi-max-frequency = <3000000>; |
| pendown-gpio = <&pioC 2 GPIO_ACTIVE_HIGH>; |
| |
| ti,x-min = /bits/ 16 <150>; |
| ti,x-max = /bits/ 16 <3830>; |
| ti,y-min = /bits/ 16 <190>; |
| ti,y-max = /bits/ 16 <3830>; |
| ti,vref-delay-usecs = /bits/ 16 <450>; |
| ti,x-plate-ohms = /bits/ 16 <450>; |
| ti,y-plate-ohms = /bits/ 16 <250>; |
| ti,pressure-max = /bits/ 16 <15000>; |
| ti,debounce-rep = /bits/ 16 <0>; |
| ti,debounce-tol = /bits/ 16 <65535>; |
| ti,debounce-max = /bits/ 16 <1>; |
| |
| wakeup-source; |
| }; |
| }; |
| |
| dbgu: serial@fffff200 { |
| status = "okay"; |
| }; |
| |
| watchdog@fffffd40 { |
| status = "okay"; |
| }; |
| |
| }; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| |
| ds8 { |
| label = "ds8"; |
| gpios = <&pioA 13 GPIO_ACTIVE_LOW>; |
| linux,default-trigger = "none"; |
| }; |
| |
| ds7 { |
| label = "ds7"; |
| gpios = <&pioA 14 GPIO_ACTIVE_LOW>; |
| linux,default-trigger = "nand-disk"; |
| }; |
| |
| ds1 { |
| label = "ds1"; |
| gpios = <&pioA 23 GPIO_ACTIVE_LOW>; |
| linux,default-trigger = "heartbeat"; |
| }; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| |
| button_0 { |
| label = "button_0"; |
| gpios = <&pioA 27 GPIO_ACTIVE_LOW>; |
| linux,code = <256>; |
| wakeup-source; |
| }; |
| |
| button_1 { |
| label = "button_1"; |
| gpios = <&pioA 26 GPIO_ACTIVE_LOW>; |
| linux,code = <257>; |
| wakeup-source; |
| }; |
| |
| button_2 { |
| label = "button_2"; |
| gpios = <&pioA 25 GPIO_ACTIVE_LOW>; |
| linux,code = <258>; |
| wakeup-source; |
| }; |
| |
| button_3 { |
| label = "button_3"; |
| gpios = <&pioA 24 GPIO_ACTIVE_LOW>; |
| linux,code = <259>; |
| wakeup-source; |
| }; |
| }; |
| }; |