arch/arm/dts/bcm2835-rpi-zero-w.dts

/dts-v1/;
#include "bcm2835.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-smsc9512.dtsi"
#include "bcm283x-rpi-usb-host.dtsi"

/ {
	compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
	model = "Raspberry Pi Zero W";

	leds {
		act {
			gpios = <&gpio 47 0>;
		};
	};
};

&uart1 {
    pinctrl-names = "default";
    pinctrl-0 = <&uart1_gpio14>;
    status = "okay";
};

&hdmi {
	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
};