blob: 6b7c02915ecb7fa6c75696337cbf6da822baad23 [file] [log] [blame]
/*
* Copyright (c) 2021 Tom Owen
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f4/stm32f446Xe.dtsi>
#include <st/f4/stm32f446z(c-e)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32F446ZE-NUCLEO board";
compatible = "st,stm32f446ze-nucleo";
chosen {
zephyr,console = &usart3;
zephyr,shell-uart = &usart3;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,canbus = &can1;
};
leds {
compatible = "gpio-leds";
green_led_1: led_1 {
gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
label = "User LD1";
};
blue_led_2: led_2 {
gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
label = "User LD2";
};
red_led_3: led_3 {
gpios = <&gpiob 14 GPIO_ACTIVE_HIGH>;
label = "User LD3";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
};
};
aliases {
led0 = &green_led_1;
led1 = &blue_led_2;
led2 = &red_led_3;
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 = <336>;
div-p = <2>;
div-q = <7>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(168)>; /* highest value to get a precise USB clock */
ahb-prescaler = <1>;
apb1-prescaler = <4>;
apb2-prescaler = <2>;
};
&adc1 {
pinctrl-0 = <&adc1_in0_pa0>;
pinctrl-names = "default";
status = "okay";
};
&dac1 {
status = "okay";
pinctrl-0 = <&dac_out1_pa4>;
pinctrl-names = "default";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart3 {
pinctrl-0 = <&usart3_tx_pd8 &usart3_rx_pd9>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart6 {
pinctrl-0 = <&usart6_tx_pg14 &usart6_rx_pg9>;
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_pf1 &i2c2_sda_pf0>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
cs-gpios = <&gpiod 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
status = "okay";
};
&spi2 {
pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
&spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";
status = "okay";
};
zephyr_udc0: &usbotg_fs {
pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12
&usb_otg_fs_id_pa10>;
pinctrl-names = "default";
status = "okay";
};
&timers1 {
status = "okay";
pwm1: pwm {
status = "okay";
pinctrl-0 = <&tim1_ch1_pe9>;
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 {
pinctrl-0 = <&can1_rx_pd0 &can1_tx_pd1>;
pinctrl-names = "default";
bus-speed = <125000>;
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)>;
};
};
};