|  | /* | 
|  | * Copyright (c) 2020 Analog Life LLC | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  | #include <nordic/nrf52840_qiaa.dtsi> | 
|  | #include <nordic/nrf52840_partition.dtsi> | 
|  | #include "contextualelectronics_abc-pinctrl.dtsi" | 
|  |  | 
|  | / { | 
|  | model = "nRF52840 BLE Cell"; | 
|  | compatible = "nordic,nrf52840-ble-cell"; | 
|  |  | 
|  | chosen { | 
|  | zephyr,console = &uart0; | 
|  | zephyr,shell-uart = &uart0; | 
|  | }; | 
|  |  | 
|  | aliases { | 
|  | watchdog0 = &wdt0; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | ®1 { | 
|  | regulator-initial-mode = <NRF5X_REG_MODE_DCDC>; | 
|  | }; | 
|  |  | 
|  | &uicr { | 
|  | gpio-as-nreset; | 
|  | }; | 
|  |  | 
|  | &gpiote { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &gpio0 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &gpio1 { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &uart0 { | 
|  | compatible = "nordic,nrf-uart"; | 
|  | status = "okay"; | 
|  | current-speed = <115200>; | 
|  |  | 
|  | pinctrl-0 = <&uart0_default>; | 
|  | pinctrl-1 = <&uart0_sleep>; | 
|  | pinctrl-names = "default", "sleep"; | 
|  | }; | 
|  |  | 
|  | arduino_serial: &uart1 { | 
|  | status = "okay"; | 
|  | current-speed = <115200>; | 
|  |  | 
|  | /* UART Pin info. */ | 
|  |  | 
|  | /* Use hardware flow control. */ | 
|  | hw-flow-control; | 
|  |  | 
|  | /* BG9x description. */ | 
|  | pinctrl-0 = <&uart1_default>; | 
|  | pinctrl-1 = <&uart1_sleep>; | 
|  | pinctrl-names = "default", "sleep"; | 
|  |  | 
|  | quectel_bg9x { | 
|  | compatible = "quectel,bg9x"; | 
|  | status = "okay"; | 
|  |  | 
|  | mdm-power-gpios = <&gpio1 5 0>; | 
|  | mdm-reset-gpios = <&gpio1 6 0>; | 
|  | mdm-dtr-gpios = <&gpio0 22 0>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | arduino_i2c: &i2c0 { | 
|  | compatible = "nordic,nrf-twi"; | 
|  | status = "okay"; | 
|  | pinctrl-0 = <&i2c0_default>; | 
|  | pinctrl-1 = <&i2c0_sleep>; | 
|  | pinctrl-names = "default", "sleep"; | 
|  | }; | 
|  |  | 
|  | &spi2 { | 
|  | compatible = "nordic,nrf-spi"; | 
|  | status = "okay"; | 
|  |  | 
|  | /* This SPI device is interfaced with the SD card. */ | 
|  | pinctrl-0 = <&spi2_default>; | 
|  | pinctrl-1 = <&spi2_sleep>; | 
|  | pinctrl-names = "default", "sleep"; | 
|  | }; |