| /* |
| * Copyright (c) 2018 Philémon Jaermann |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/f4/stm32f446Xe.dtsi> |
| #include <st/f4/stm32f446r(c-e)tx-pinctrl.dtsi> |
| #include "arduino_r3_connector.dtsi" |
| #include "st_morpho_connector.dtsi" |
| #include <zephyr/dt-bindings/input/input-event-codes.h> |
| |
| / { |
| model = "STMicroelectronics STM32F446RE-NUCLEO board"; |
| compatible = "st,stm32f446re-nucleo"; |
| |
| chosen { |
| zephyr,console = &usart2; |
| zephyr,shell-uart = &usart2; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| zephyr,canbus = &can2; |
| }; |
| |
| leds: leds { |
| compatible = "gpio-leds"; |
| green_led_2: led_2 { |
| gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>; |
| label = "User LD2"; |
| }; |
| }; |
| |
| pwmleds { |
| compatible = "pwm-leds"; |
| green_pwm_led: green_pwm_led { |
| pwms = <&pwm2 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>; |
| }; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| user_button: button { |
| label = "User"; |
| gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; |
| zephyr,code = <INPUT_KEY_0>; |
| }; |
| }; |
| |
| aliases { |
| led0 = &green_led_2; |
| pwm-led0 = &green_pwm_led; |
| sw0 = &user_button; |
| }; |
| }; |
| |
| &clk_lsi { |
| status = "okay"; |
| }; |
| |
| &clk_hse { |
| hse-bypass; |
| clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */ |
| status = "okay"; |
| }; |
| |
| &pll { |
| div-m = <8>; |
| mul-n = <384>; |
| div-p = <4>; |
| div-q = <8>; |
| clocks = <&clk_hse>; |
| status = "okay"; |
| }; |
| |
| &rcc { |
| clocks = <&pll>; |
| clock-frequency = <DT_FREQ_M(96)>; |
| ahb-prescaler = <1>; |
| apb1-prescaler = <2>; |
| apb2-prescaler = <1>; |
| }; |
| |
| &usart1 { |
| pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "okay"; |
| }; |
| |
| &usart2 { |
| pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "okay"; |
| }; |
| |
| &i2c1 { |
| pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| clock-frequency = <I2C_BITRATE_FAST>; |
| }; |
| |
| &i2c2 { |
| pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb3>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| clock-frequency = <I2C_BITRATE_FAST>; |
| }; |
| |
| &i2c3 { |
| pinctrl-0 = <&i2c3_scl_pa8 &i2c3_sda_pb4>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| clock-frequency = <I2C_BITRATE_FAST>; |
| }; |
| |
| &spi1 { |
| pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5 |
| &spi1_miso_pa6 &spi1_mosi_pa7>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &timers2 { |
| status = "okay"; |
| |
| pwm2: pwm { |
| status = "okay"; |
| pinctrl-0 = <&tim2_ch1_pa5>; |
| pinctrl-names = "default"; |
| }; |
| }; |
| |
| &rtc { |
| clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>, |
| <&rcc STM32_SRC_LSI RTC_SEL(2)>; |
| status = "okay"; |
| }; |
| |
| &backup_sram { |
| status = "okay"; |
| }; |
| |
| &can1 { |
| /* CAUTION: PB8 and PB9 may conflict with same pins of I2C1 */ |
| pinctrl-0 = <&can1_rx_pb8 &can1_tx_pb9>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &can2 { |
| pinctrl-0 = <&can2_rx_pb12 &can2_tx_pb13>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &flash0 { |
| |
| partitions { |
| compatible = "fixed-partitions"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| boot_partition: partition@0 { |
| label = "mcuboot"; |
| reg = <0x00000000 DT_SIZE_K(64)>; |
| read-only; |
| }; |
| |
| /* |
| * The flash starting at 0x00010000 and ending at |
| * 0x0001ffff (sectors 16-31) is reserved for use |
| * by the application. |
| */ |
| storage_partition: partition@10000 { |
| label = "storage"; |
| reg = <0x00010000 DT_SIZE_K(64)>; |
| }; |
| |
| slot0_partition: partition@20000 { |
| label = "image-0"; |
| reg = <0x00020000 DT_SIZE_K(128)>; |
| }; |
| slot1_partition: partition@40000 { |
| label = "image-1"; |
| reg = <0x00040000 DT_SIZE_K(128)>; |
| }; |
| scratch_partition: partition@60000 { |
| label = "image-scratch"; |
| reg = <0x00060000 DT_SIZE_K(128)>; |
| }; |
| }; |
| }; |