boards/weact/blackpill_u585ci/blackpill_u585ci.dts

/*
 * Copyright (c) 2025 Michal Piekos
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/u5/stm32u585Xi.dtsi>
#include <st/u5/stm32u585ciux-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "WeAct Studio Black Pill STM32U585 Core Board";
	compatible = "weact,blackpill-u585ci";

	#address-cells = <1>;
	#size-cells = <1>;

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,canbus = &fdcan1;
	};

	aliases {
		led0 = &led_0;
		sw0 = &button_0;
		watchdog0 = &iwdg;
		volt-sensor0 = &vref1;
		volt-sensor1 = &vbat4;
		die-temp0 = &die_temp;
	};

	leds {
		compatible = "gpio-leds";

		led_0: led0 {
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
			label = "User LED";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		button_0: button0 {
			label = "User Button";
			gpios = <&gpioa 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	zephyr,user {
		io-channels = <&adc1 16>, <&adc4 18>;
	};
};

&clk_hsi48 {
	status = "okay";
};

&clk_lse {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(25)>;
	status = "okay";
};

&clk_msis {
	status = "okay";
	msi-range = <4>;
	msi-pll-mode;
};

&pll1 {
	div-m = <5>;
	mul-n = <32>;
	div-q = <2>;
	div-r = <1>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll1>;
	clock-frequency = <DT_FREQ_M(160)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
	apb3-prescaler = <1>;
};

&lpuart1 {
	pinctrl-0 = <&lpuart1_tx_pa2 &lpuart1_rx_pa3>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb3>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c2 {
	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb14>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa1
		     &spi1_miso_pa6 &spi1_mosi_pa7>;
	pinctrl-names = "default";
	status = "okay";
};

&fdcan1 {
	clocks = <&rcc STM32_CLOCK(APB1_2, 9)>,
		 <&rcc STM32_SRC_PLL1_Q FDCAN1_SEL(1)>;
	pinctrl-0 = <&fdcan1_rx_pb8 &fdcan1_tx_pb9>;
	pinctrl-names = "default";
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc1_in16_pb1>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	st,adc-prescaler = <4>;
	status = "okay";
};

&adc4 {
	pinctrl-0 = <&adc4_in18_pb0>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	st,adc-prescaler = <4>;
	status = "okay";
};

&dac1 {
	/* CAUTION: DAC on PA4 may conflict with SPI1 NSS on same pin */
	pinctrl-0 = <&dac1_out1_pa4>;
	pinctrl-names = "default";
	status = "disabled";
};

&timers3 {
	st,prescaler = <10000>;
	status = "okay";

	pwm3: pwm {
		pinctrl-0 = <&tim3_ch1_pb4>;
		pinctrl-names = "default";
		status = "okay";
	};
};

&timers4 {
	st,prescaler = <10000>;
	status = "okay";

	pwm4: pwm {
		pinctrl-0 = <&tim4_ch2_pb7>;
		pinctrl-names = "default";
		status = "okay";
	};
};

zephyr_udc0: &usbotg_fs {
	pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
	pinctrl-names = "default";
	status = "okay";

	cdc_acm_uart0: cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";
	};
};

&iwdg {
	status = "okay";
};

&rng {
	status = "okay";
};

&gpdma1 {
	status = "okay";
};

&die_temp {
	status = "okay";
};

&rtc {
	clocks = <&rcc STM32_CLOCK(APB3, 21)>,
		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

&vref1 {
	status = "okay";
};

&vbat4 {
	status = "okay";
};

&clk_lsi {
	status = "okay";
};

stm32_lp_tick_source: &lptim1 {
	clocks = <&rcc STM32_CLOCK(APB3, 11)>,
		 <&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
	status = "okay";
};

&backup_sram {
	status = "okay";
};