|  | /* | 
|  | * Copyright (c) 2017 Christian Taedcke | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  | #include <silabs/efm32wg990f256.dtsi> | 
|  |  | 
|  | / { | 
|  | model = "Silicon Labs EFM32WG STK3800 board"; | 
|  | compatible = "silabs,efm32wg_stk3800", "silabs,efm32wg"; | 
|  |  | 
|  | chosen { | 
|  | zephyr,console = &uart0; | 
|  | zephyr,shell-uart = &uart0; | 
|  | zephyr,sram = &sram0; | 
|  | zephyr,flash = &flash0; | 
|  | }; | 
|  |  | 
|  | /* These aliases are provided for compatibility with samples */ | 
|  | aliases { | 
|  | led0 = &led0; | 
|  | led1 = &led1; | 
|  | sw0 = &button0; | 
|  | sw1 = &button1; | 
|  | }; | 
|  |  | 
|  | leds { | 
|  | compatible = "gpio-leds"; | 
|  | led0: led_0 { | 
|  | gpios = <&gpioe 2 0>; | 
|  | label = "LED 0"; | 
|  | }; | 
|  | led1: led_1 { | 
|  | gpios = <&gpioe 3 0>; | 
|  | label = "LED 1"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | buttons { | 
|  | compatible = "gpio-keys"; | 
|  | button0: button_0 { | 
|  | /* gpio flags need validation */ | 
|  | gpios = <&gpiob 9 GPIO_INT_ACTIVE_LOW>; | 
|  | label = "User Push Button 0"; | 
|  | }; | 
|  | button1: button_1 { | 
|  | /* gpio flags need validation */ | 
|  | gpios = <&gpiob 19 GPIO_INT_ACTIVE_LOW>; | 
|  | label = "User Push Button 1"; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &cpu0 { | 
|  | clock-frequency = <48000000>; | 
|  | }; | 
|  |  | 
|  | &uart0 { | 
|  | current-speed = <115200>; | 
|  | location-rx = <GECKO_LOCATION(1) GECKO_PORT_E GECKO_PIN(1)>; | 
|  | location-tx = <GECKO_LOCATION(1) GECKO_PORT_E GECKO_PIN(0)>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &flash0 { | 
|  | /* | 
|  | * For more information, see: | 
|  | * http://docs.zephyrproject.org/latest/guides/dts/index.html#flash-partitions | 
|  | */ | 
|  | partitions { | 
|  | compatible = "fixed-partitions"; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  |  | 
|  | /* Set 4Kb of storage at the end of the 256Kb of flash */ | 
|  | storage_partition: partition@3f000 { | 
|  | label = "storage"; | 
|  | reg = <0x0003f000 0x00001000>; | 
|  | }; | 
|  |  | 
|  | }; | 
|  | }; |