zephyr/boards/arm/stm32f103_mini/stm32f103_mini.dts

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/*
* Copyright (c) 2020 WuhanStudio
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f1/stm32f103Xc.dtsi>
#include <st/f1/stm32f103r(c-d-e)tx-pinctrl.dtsi>
/ {
model = "stm32f103_mini board";
compatible = "st,stm32f103";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
leds {
compatible = "gpio-leds";
green_led_1: led_1 {
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
label = "User LD1";
};
};
aliases {
led0 = &green_led_1;
watchdog0 = &iwdg;
};
};
&clk_lsi {
status = "okay";
};
&clk_hse {
clock-frequency = <DT_FREQ_M(8)>;
status = "okay";
};
&pll {
mul = <9>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(72)>;
ahb-prescaler = <1>;
apb1-prescaler = <2>;
apb2-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
pinctrl-names = "default";
current-speed = <115200>;
};
&usart3 {
pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
pinctrl-names = "default";
current-speed = <115200>;
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_remap1_pb8 &i2c1_sda_remap1_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_nss_master_pa4 &spi1_sck_master_pa5
&spi1_miso_master_pa6 &spi1_mosi_master_pa7>;
pinctrl-names = "default";
status = "okay";
};
&spi2 {
pinctrl-0 = <&spi2_nss_master_pb12 &spi2_sck_master_pb13
&spi2_miso_master_pb14 &spi2_mosi_master_pb15>;
pinctrl-names = "default";
status = "okay";
};
&iwdg {
status = "okay";
};
&timers1 {
st,prescaler = <10000>;
status = "okay";
pwm1: pwm {
status = "okay";
pinctrl-0 = <&tim1_ch1_pwm_pa8>;
pinctrl-names = "default";
};
};
zephyr_udc0: &usb {
pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
pinctrl-names = "default";
status = "okay";
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
};
&adc1 {
pinctrl-0 = <&adc1_in0_pa0>;
pinctrl-names = "default";
status = "okay";
};