|  | /* | 
|  | * 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" | 
|  |  | 
|  | / { | 
|  | model = "Particle Argon"; | 
|  | compatible = "particle,argon", "particle,feather"; | 
|  |  | 
|  | 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)>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &uart1 { /* ESP32 */ | 
|  | compatible = "nordic,nrf-uarte"; | 
|  | current-speed = <921600>; | 
|  | status = "okay"; | 
|  | tx-pin = <37>; | 
|  | rx-pin = <36>; | 
|  | rts-pin = <39>; | 
|  | cts-pin = <38>; | 
|  | }; |