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/*
* at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
*
* Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
*
* Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
*
* Licensed under GPLv2 or later.
*/
/dts-v1/;
#include "at91sam9g20.dtsi"
/ {
model = "Acme Systems FoxG20";
compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
chosen {
bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
};
memory {
reg = <0x20000000 0x4000000>;
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <18432000>;
};
};
ahb {
apb {
usb1: gadget@fffa4000 {
atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>;
status = "okay";
};
mmc0: mmc@fffa8000 {
pinctrl-0 = <
&pinctrl_mmc0_clk
&pinctrl_mmc0_slot1_cmd_dat0
&pinctrl_mmc0_slot1_dat1_3>;
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
};
};
usart0: serial@fffb0000 {
pinctrl-0 =
<&pinctrl_usart0
&pinctrl_usart0_rts
&pinctrl_usart0_cts
>;
status = "okay";
};
usart1: serial@fffb4000 {
status = "okay";
};
usart2: serial@fffb8000 {
status = "okay";
};
macb0: ethernet@fffc4000 {
phy-mode = "rmii";
status = "okay";
};
usart3: serial@fffd0000 {
status = "okay";
};
uart0: serial@fffd4000 {
status = "okay";
};
uart1: serial@fffd8000 {
status = "okay";
};
dbgu: serial@fffff200 {
status = "okay";
};
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */
};
};
i2c0 {
pinctrl_i2c0: i2c0-0 {
atmel,pins =
<AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */
AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */
};
};
};
watchdog@fffffd40 {
status = "okay";
};
};
usb0: ohci@00500000 {
num-ports = <2>;
status = "okay";
};
};
i2c@0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0>;
i2c-gpio,delay-us = <5>; /* ~85 kHz */
status = "okay";
};
leds {
compatible = "gpio-leds";
/* red LED marked "PC7" near mini USB (device) receptacle */
user_led {
label = "user_led";
gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */
linux,default-trigger = "heartbeat";
};
};
gpio_keys {
compatible = "gpio-keys";
btn {
label = "Button";
gpios = <&pioC 4 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
gpio-key,wakeup;
};
};
};
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