boards/particle/argon/particle_argon.dts

/*
 * Copyright (c) 2018 Matthias Boesl
 * Copyright (c) 2018 Peter Bigot Consulting, LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "mesh_feather.dtsi"
#include "particle_argon-pinctrl.dtsi"

/ {
	model = "Particle Argon";
	compatible = "particle,argon", "particle,feather";

	sky13351: sky13351 {
		compatible = "skyworks,sky13351";
		vctl1-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
		vctl2-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
	};

	vbatt {
		compatible = "voltage-divider";
		io-channels = <&adc 3>;
		output-ohms = <2100000>;
		full-ohms = <(2100000 + 806000)>;
	};

	aliases {
		watchdog0 = &wdt0;
	};
};

&reg1 {
	regulator-initial-mode = <NRF5X_REG_MODE_DCDC>;
};

&uicr {
	gpio-as-nreset;
};

&uart1 { /* ESP32 */
	compatible = "nordic,nrf-uarte";
	current-speed = <921600>;
	status = "okay";
	pinctrl-0 = <&uart1_default>;
	pinctrl-1 = <&uart1_sleep>;
	pinctrl-names = "default", "sleep";
};