| /* |
| * Copyright (c) 2020 TriaGnoSys GmbH |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <silabs/efr32mg21a020f1024im32.dtsi> |
| |
| / { |
| model = "Silicon Labs BRD4180A (Mighty Gecko Radio Board)"; |
| compatible = "silabs,efr32mg21_brd4180a", "silabs,efr32mg21"; |
| |
| chosen { |
| zephyr,console = &usart0; |
| zephyr,shell-uart = &usart0; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| zephyr,code-partition = &slot0_partition; |
| }; |
| |
| /* These aliases are provided for compatibility with samples */ |
| aliases { |
| led0 = &led0; |
| led1 = &led1; |
| sw0 = &button0; |
| sw1 = &button1; |
| watchdog0 = &wdog0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led0: led_0 { |
| gpios = <&gpiob 0 0>; |
| label = "LED 0"; |
| }; |
| led1: led_1 { |
| gpios = <&gpiob 1 0>; |
| label = "LED 1"; |
| }; |
| }; |
| |
| buttons { |
| compatible = "gpio-keys"; |
| button0: button_0 { |
| /* gpio flags need validation */ |
| gpios = <&gpiod 2 GPIO_ACTIVE_LOW>; |
| label = "User Push Button 0"; |
| }; |
| button1: button_1 { |
| /* gpio flags need validation */ |
| gpios = <&gpiod 3 GPIO_ACTIVE_LOW>; |
| label = "User Push Button 1"; |
| }; |
| }; |
| |
| }; |
| |
| &cpu0 { |
| clock-frequency = <38400000>; |
| }; |
| |
| &usart0 { |
| current-speed = <115200>; |
| location-rx = <GECKO_LOCATION(0) GECKO_PORT_A GECKO_PIN(6)>; |
| location-tx = <GECKO_LOCATION(0) GECKO_PORT_A GECKO_PIN(5)>; |
| status = "okay"; |
| }; |
| |
| &rtcc0 { |
| prescaler = <1>; |
| status = "okay"; |
| }; |
| |
| &gpio { |
| status = "okay"; |
| }; |
| |
| &gpioa { |
| status = "okay"; |
| }; |
| |
| &gpiob { |
| status = "okay"; |
| }; |
| |
| &gpioc { |
| status = "okay"; |
| }; |
| |
| &gpiod { |
| status = "okay"; |
| }; |
| |
| &wdog0 { |
| status = "okay"; |
| }; |
| |
| &flash0 { |
| partitions { |
| compatible = "fixed-partitions"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| /* Reserve 48 kB for the bootloader */ |
| boot_partition: partition@0 { |
| label = "mcuboot"; |
| reg = <0x0 0x0000c000>; |
| read-only; |
| }; |
| |
| /* Reserve 464 kB for the application in slot 0 */ |
| slot0_partition: partition@c000 { |
| label = "image-0"; |
| reg = <0x0000c000 0x00074000>; |
| }; |
| |
| /* Reserve 464 kB for the application in slot 1 */ |
| slot1_partition: partition@80000 { |
| label = "image-1"; |
| reg = <0x00080000 0x00074000>; |
| }; |
| |
| /* Reserve 32 kB for the scratch partition */ |
| scratch_partition: partition@f4000 { |
| label = "image-scratch"; |
| reg = <0x000f4000 0x00008000>; |
| }; |
| |
| /* Set 16Kb of storage at the end of the 1024Kb of flash */ |
| storage_partition: partition@fc000 { |
| label = "storage"; |
| reg = <0x000fc000 0x00004000>; |
| }; |
| |
| }; |
| }; |