/* * Copyright (c) 2017 Linaro Limited * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include / { model = "STMicroelectronics STM32F411RE-NUCLEO board"; compatible = "st,stm32f411re-nucleo", "st,stm32f411"; chosen { zephyr,console = &usart2; zephyr,sram = &sram0; zephyr,flash = &flash0; }; leds { compatible = "gpio-leds"; green_led_2: led_2 { gpios = <&gpioa 5 GPIO_INT_ACTIVE_HIGH>; label = "User LD2"; }; }; gpio_keys { compatible = "gpio-keys"; user_button: button { label = "User"; gpios = <&gpioc 13 GPIO_INT_ACTIVE_LOW>; }; }; aliases { led0 = &green_led_2; sw0 = &user_button; }; }; &usart1 { current-speed = <115200>; pinctrl-0 = <&usart1_pins_a>; pinctrl-names = "default"; status = "ok"; }; &usart2 { current-speed = <115200>; pinctrl-0 = <&usart2_pins_a>; pinctrl-names = "default"; status = "ok"; }; &i2c1 { status = "ok"; clock-frequency = ; }; &i2c2 { clock-frequency = ; }; &i2c3 { clock-frequency = ; }; &rtc { status = "ok"; };