158 lines
2.7 KiB
Plaintext
158 lines
2.7 KiB
Plaintext
/*
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* Copyright (c) 2022 Brian Bradley (brian.bradley.p@gmail.com)
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/f4/stm32f401Xc.dtsi>
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#include <st/f4/stm32f401c(b-c)ux-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STM32 Mini F401";
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compatible = "stm32f401_mini";
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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leds {
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compatible = "gpio-leds";
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user_led: led {
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gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
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label = "User LED";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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boot1: button {
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label = "BOOT1";
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gpios = <&gpiob 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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aliases {
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led0 = &user_led;
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sw0 = &boot1;
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volt-sensor0 = &vref;
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volt-sensor1 = &vbat;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(64)>;
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read-only;
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};
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slot0_partition: partition@20000 {
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label = "image-0";
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reg = <0x00020000 DT_SIZE_K(128)>;
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};
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slot1_partition: partition@40000 {
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label = "image-1";
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reg = <0x00040000 DT_SIZE_K(128)>;
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};
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scratch_partition: partition@60000 {
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label = "image-scratch";
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reg = <0x00060000 DT_SIZE_K(128)>;
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};
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};
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};
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&timers4 {
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status = "okay";
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pwm4: pwm {
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status = "okay";
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pinctrl-0 = <&tim4_ch1_pb6 &tim4_ch2_pb7>;
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pinctrl-names = "default";
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};
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
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pinctrl-names = "default";
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status = "okay";
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current-speed = <115200>;
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_sck_pa5 &spi1_nss_pa4
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&spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
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<&rcc STM32_SRC_LSI RTC_SEL(2)>;
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status = "okay";
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};
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zephyr_udc0: &usbotg_fs {
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pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
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pinctrl-names = "default";
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status = "okay";
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};
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&adc1 {
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pinctrl-0 = <&adc1_in1_pa1>;
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pinctrl-names = "default";
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st,adc-clock-source = <SYNC>;
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st,adc-prescaler = <2>;
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status = "okay";
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};
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&clk_lsi {
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status = "okay";
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};
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&clk_hse {
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clock-frequency = <DT_FREQ_M(25)>;
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status = "okay";
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};
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&pll {
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div-m = <25>;
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mul-n = <336>;
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div-p = <4>;
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div-q = <7>;
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clocks = <&clk_hse>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(84)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <2>;
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apb2-prescaler = <1>;
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};
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&vref {
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status = "okay";
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};
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&vbat {
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status = "okay";
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};
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