blob: c598d08bd15d3179301f0da7218ab1dbc11f9dd7 [file] [log] [blame]
/*
* 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"
/ {
model = "STMicroelectronics STM32F446RE-NUCLEO board";
compatible = "st,stm32f446re-nucleo";
chosen {
zephyr,console = &usart2;
zephyr,shell-uart = &usart2;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,can-primary = &can1;
};
leds {
compatible = "gpio-leds";
green_led_2: led_2 {
gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
label = "User LD2";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
};
};
aliases {
led0 = &green_led_2;
sw0 = &user_button;
};
};
&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>;
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c2 {
pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb3>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c3 {
pinctrl-0 = <&i2c3_scl_pa8 &i2c3_sda_pb4>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5
&spi1_miso_pa6 &spi1_mosi_pa7>;
status = "okay";
};
&rtc {
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>;
bus-speed = <125000>;
sjw = <1>;
prop-seg = <0>;
phase-seg1 = <6>;
phase-seg2 = <5>;
status = "okay";
};
&flash0 {
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 0x00010000 and ending at
* 0x0001ffff (sectors 16-31) is reserved for use
* by the application.
*/
storage_partition: partition@10000 {
label = "storage";
reg = <0x00010000 0x00010000>;
};
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>;
};
};
};