/* * Copyright (c) 2017 Linaro Limited * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include / { model = "STMicroelectronics STM32F401RE-NUCLEO board"; compatible = "st,stm32f401re-nucleo", "st,stm32f401"; chosen { zephyr,console = &usart2; zephyr,sram = &sram0; zephyr,flash = &flash0; }; leds { compatible = "gpio-leds"; green_led_2: led@0 { gpios = <&gpioa 5 GPIO_INT_ACTIVE_HIGH>; label = "User LD2"; }; }; gpio_keys { compatible = "gpio-keys"; user_button: button@0 { 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 = ; }; &spi1 { status = "ok"; }; &spi2 { status = "ok"; }; &flash0 { /* * For more information, see: * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html */ partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; boot_partition: partition@0 { label = "mcuboot"; reg = <0x00000000 0x00010000>; read-only; }; /* * The flash starting at offset 0x10000 and ending at * offset 0x1ffff is reserved for use by the application. */ slot0_partition: partition@20000 { label = "image-0"; reg = <0x00020000 0x00020000>; }; slot1_partition: partition@40000 { label = "image-1"; reg = <0x00040000 0x00020000>; }; scratch_partition: partition@60000 { label = "image-scratch"; reg = <0x00060000 0x00020000>; }; }; }; &timers2 { status = "ok"; pwm { status = "ok"; }; }; &rtc { status = "ok"; };