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* Copyright (c) 2022 Brian Bradley (brian.bradley.p@gmail.com)
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f4/stm32f401Xc.dtsi>
#include <st/f4/stm32f401c(b-c)ux-pinctrl.dtsi>
/ {
model = "STM32 Mini F401";
compatible = "stm32f401_mini";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
leds {
compatible = "gpio-leds";
user_led: led {
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
label = "User LED";
};
};
gpio_keys {
compatible = "gpio-keys";
boot1: button {
label = "BOOT1";
gpios = <&gpiob 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};
};
aliases {
led0 = &user_led;
sw0 = &boot1;
};
};
&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;
};
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)>;
};
};
};
&timers4 {
status = "okay";
pwm4: pwm {
status = "okay";
pinctrl-0 = <&tim4_ch1_pb6 &tim4_ch2_pb7>;
pinctrl-names = "default";
};
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
pinctrl-names = "default";
status = "okay";
current-speed = <115200>;
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_sck_pa5 &spi1_nss_pa4
&spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
status = "okay";
};
&rtc {
status = "okay";
};
zephyr_udc0: &usbotg_fs {
pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
pinctrl-names = "default";
status = "okay";
};
&adc1 {
pinctrl-0 = <&adc1_in1_pa1>;
pinctrl-names = "default";
status = "okay";
};
&clk_hse {
clock-frequency = <DT_FREQ_M(25)>;
status = "okay";
};
&pll {
div-m = <25>;
mul-n = <336>;
div-p = <4>;
div-q = <7>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(84)>;
ahb-prescaler = <1>;
apb1-prescaler = <2>;
apb2-prescaler = <1>;
};
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