arch/arm/boot/dts/overlays/gpio-poweroff-overlay.dts


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// Definitions for gpio-poweroff module
/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2708";

	fragment@0 {
		target-path = "/";
		__overlay__ {
			power_ctrl: power_ctrl {
				compatible = "gpio-poweroff";
				gpios = <&gpio 26 0>;
				force;
			};
		};
	};

	fragment@1 {
		target = <&gpio>;
		__overlay__ {
			power_ctrl_pins: power_ctrl_pins {
				brcm,pins = <26>;
				brcm,function = <1>; // out
			};
		};
	};

	__overrides__ {
		gpiopin =       <&power_ctrl>,"gpios:4",
				<&power_ctrl_pins>,"brcm,pins:0";
		active_low =    <&power_ctrl>,"gpios:8";
	};
};