zephyr/boards/arm/nucleo_g474re/nucleo_g474re.dts

/*
 * Copyright (c) 2019 STMicroelectronics.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/g4/stm32g474Xe.dtsi>
#include <st/g4/stm32g474r(b-c-e)tx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32G474RE-NUCLEO board";
	compatible = "st,stm32g474re-nucleo";

	chosen {
		zephyr,console = &lpuart1;
		zephyr,shell-uart = &lpuart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,canbus = &can1;
	};

	leds {
		compatible = "gpio-leds";
		green_led: led_0 {
			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		green_pwm_led: green_pwm_led {
			pwms = <&pwm2 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
		};
	};

	aliases {
		led0 = &green_led;
		pwm-led0 = &green_pwm_led;
		sw0 = &user_button;
		watchdog0 = &iwdg;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(24)>;
	status = "okay";
};

&pll {
	div-m = <6>;
	mul-n = <85>;
	div-p = <7>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(170)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pc4 &usart1_rx_pc5>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

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

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
	pinctrl-names = "default";
	status = "okay";
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
	pinctrl-names = "default";
	cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

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

&spi3 {
	/* SPI3 on the ST Morpho Connector CN7 pins 17, 1, 2, 3*/
	pinctrl-0 = <&spi3_nss_pa15 &spi3_sck_pc10
		     &spi3_miso_pc11 &spi3_mosi_pc12>;
	pinctrl-names = "default";
	status = "okay";
};

&timers2 {
	status = "okay";

	pwm2: pwm {
		status = "okay";
		pinctrl-0 = <&tim2_ch1_pa5>;
		pinctrl-names = "default";
	};
};

&timers3 {
	st,prescaler = <10000>;
	status = "okay";
	pwm3: pwm {
		status = "okay";
		pinctrl-0 = <&tim3_ch1_pb4>;
		pinctrl-names = "default";
	};
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000400>,
		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Set 4Kb of storage at the end of the 128Kb of flash */
		storage_partition: partition@1f000 {
			label = "storage";
			reg = <0x0001f000 DT_SIZE_K(4)>;
		};
	};
};

&iwdg {
	status = "okay";
};

&rng {
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc1_in1_pa0>;
	pinctrl-names = "default";
	status = "okay";
};

&die_temp {
	status = "okay";
};

&dac1 {
	pinctrl-0 = <&dac1_out1_pa4>;
	pinctrl-names = "default";
	status = "okay";
};

&can1 {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x02000000>,
		 <&rcc STM32_SRC_HSE FDCAN_SEL(0)>;
	pinctrl-0 = <&fdcan1_rx_pa11 &fdcan1_tx_pa12>;
	pinctrl-names = "default";
	bus-speed = <125000>;
	bus-speed-data = <1000000>;
	status = "okay";
};