boards/arm/stm32f3_seco_d23/stm32f3_seco_d23.dts

/*
 * Copyright (c) 2022 Seco Spa
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f3/stm32f302Xc.dtsi>
#include <st/f3/stm32f302v(b-c)tx-pinctrl.dtsi>

/ {
	model = "SECO JUNO SBC-D23 board (STM32F302VCT6)";
	compatible = "seco,stm32f3-d23";

	chosen {
		zephyr,console = &usart1;
		zephyr,code-partition = &slot0_partition;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,canbus = &can1;
	};

	leds {
		compatible = "gpio-leds";
		led_1: led_1 {
			gpios = <&gpiod 8 GPIO_ACTIVE_HIGH>;
			label = "LED-1";
		};
		led_2: led_2 {
			gpios = <&gpiod 9 GPIO_ACTIVE_HIGH>;
			label = "LED-2";
		};
	};

	out_3p3v_pwr: 3p3v-out-pwr-ctrl {
		compatible = "regulator-fixed";
		regulator-name = "3p3v-out-pwr-ctrl";
		enable-gpios = <&gpioe 7 GPIO_ACTIVE_HIGH>;
		regulator-always-on;
		regulator-boot-on;
		status = "okay";
	};

	out_gpio_bufa_pwr: out-gpio-bufa-pwr-ctrl {
		compatible = "regulator-fixed";
		regulator-name = "out-gpio-bufa-pwr-ctrl";
		enable-gpios = <&gpiof 2 GPIO_ACTIVE_LOW>;
		regulator-boot-on;
		status = "okay";
	};

	out_gpio_bufb_pwr: out-gpio-bufb-pwr-ctrl {
		compatible = "regulator-fixed";
		regulator-name = "out-gpio-bufb-pwr-ctrl";
		enable-gpios = <&gpiof 4 GPIO_ACTIVE_LOW>;
		regulator-boot-on;
		status = "okay";
	};

	in_gpio_buf_pwr: in-gpio-buf-pwr-ctrl {
		compatible = "regulator-fixed";
		regulator-name = "in-gpio-buf-pwr-ctrl";
		enable-gpios = <&gpiof 6 GPIO_ACTIVE_LOW>;
		regulator-boot-on;
		status = "okay";
	};

	transceiver0: can-phy0 {
		compatible = "nxp,tja1040", "can-transceiver-gpio";
		standby-gpios = <&gpiod 0 GPIO_ACTIVE_HIGH>;
		max-bitrate = <1000000>;
		#phy-cells = <0>;
	};

	aliases {
		led0 = &led_1;
		led1 = &led_2;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(8)>;
	status = "okay";
};

&pll {
	prediv = <1>;
	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>;
	status = "okay";
};

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

/* Modbus */
&usart2 {
	pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6
		     &usart2_cts_pd3 &usart2_rts_pd4>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

/* RS-485 */
&usart3 {
	pinctrl-0 = <&usart3_tx_pc10 &usart3_rx_pc11
		     &usart3_rts_pd12>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

&uart5 {
	pinctrl-0 = <&uart5_tx_pc12 &uart5_rx_pd2>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_FAST>;
	status = "okay";
};

&i2c2 {
	/* alternate config usart1 */
	pinctrl-0 = <&i2c2_scl_pa9 &i2c2_sda_pa10>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pb3
		     &spi1_miso_pb4 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	status = "okay";
};

&spi2 {
	pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
		     &spi2_miso_pb14 &spi2_mosi_pb15>;
	pinctrl-names = "default";
	status = "okay";
};

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";
};

&can1 {
	pinctrl-0 = <&can_rx_pb8 &can_tx_pb9>;
	pinctrl-names = "default";
	bus-speed = <125000>;
	phys = <&transceiver0>;
	status = "okay";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0x00010000>;
			read-only;
		};
		/*
		 * The flash starting at 0x00010000 and ending at
		 * 0x0001ffff (sectors 16-31) is reserved for use
		 * by the application.
		 */
		slot0_partition: partition@20000 {
			label = "image-0";
			reg = <0x00020000 0x00008000>;
		};
		slot1_partition: partition@28000 {
			label = "image-1";
			reg = <0x00028000 0x00008000>;
		};
		storage_partition: partition@30000 {
			label = "storage";
			reg = <0x00030000 0x00002000>;
		};
		scratch_partition: partition@32000 {
			label = "image-scratch";
			reg = <0x00032000 0x00008000>;
		};
	};
};

&iwdg {
	status = "okay";
};

&timers1 {
	st,prescaler = <10000>;
	status = "okay";
	pwm1: pwm {
		pinctrl-0 = <&tim1_ch1_pe9 &tim1_ch2n_pe10 &tim1_ch2_pe11
			     &tim1_ch3n_pe12 &tim1_ch3_pe13 &tim1_ch4_pe14>;
		pinctrl-names = "default";
		status = "okay";
	};
};

&timers4 {
	st,prescaler = <10000>;
	status = "okay";
	pwm4: pwm {
		pinctrl-0 = <&tim4_ch2_pd13 &tim4_ch3_pd14 &tim4_ch4_pd15>;
		pinctrl-names = "default";
		status = "okay";
	};
};