linux-stable/arch/arm/boot/dts/at91sam9x5cm.dtsi

/*
 * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
 *
 *  Copyright (C) 2012 Atmel,
 *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
 *
 * Licensed under GPLv2 or later.
 */

/ {
	memory@20000000 {
		reg = <0x20000000 0x8000000>;
	};

	leds {
		compatible = "gpio-leds";

		pb18 {
			label = "pb18";
			gpios = <&pioB 18 1>;
			linux,default-trigger = "heartbeat";
		};

		pd21 {
			label = "pd21";
			gpios = <&pioD 21 0>;
		};
	};
};