/* * 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,shell-uart = &usart2; zephyr,sram = &sram0; zephyr,flash = &flash0; zephyr,code-partition = &slot0_partition; }; 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; }; arduino_header: connector { compatible = "arduino-header-r3"; #gpio-cells = <2>; gpio-map = <0 0 &gpioa 0 0>, /* A0 */ <1 0 &gpioa 1 0>, /* A1 */ <2 0 &gpioa 4 0>, /* A2 */ <3 0 &gpiob 0 0>, /* A3 */ <4 0 &gpioc 1 0>, /* A4 */ <5 0 &gpioc 0 0>, /* A5 */ <6 0 &gpioa 3 0>, /* D0 */ <7 0 &gpioa 2 0>, /* D1 */ <8 0 &gpioa 10 0>, /* D2 */ <9 0 &gpiob 3 0>, /* D3 */ <10 0 &gpiob 5 0>, /* D4 */ <11 0 &gpiob 4 0>, /* D5 */ <12 0 &gpiob 10 0>, /* D6 */ <13 0 &gpioa 8 0>, /* D7 */ <14 0 &gpioa 9 0>, /* D8 */ <15 0 &gpioc 7 0>, /* D9 */ <16 0 &gpiob 6 0>, /* D10 */ <17 0 &gpioa 7 0>, /* D11 */ <18 0 &gpioa 6 0>, /* D12 */ <19 0 &gpioa 5 0>, /* D13 */ <20 0 &gpiob 9 0>, /* D14 */ <21 0 &gpiob 8 0>; /* D15 */ }; }; &usart1 { current-speed = <115200>; pinctrl-0 = <&usart1_pins_a>; pinctrl-names = "default"; status = "okay"; }; &usart2 { current-speed = <115200>; pinctrl-0 = <&usart2_pins_a>; pinctrl-names = "default"; status = "okay"; }; arduino_i2c: &i2c1 { status = "okay"; clock-frequency = ; }; arduino_spi: &spi1 { status = "okay"; }; &spi2 { 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>; 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 = "okay"; pwm { status = "okay"; }; }; &rtc { status = "okay"; }; &adc1 { status = "okay"; };