boards/arm/nucleo_h753zi/nucleo_h753zi.dts

/*
 * Copyright (c) 2021 Blue Clover Devices
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h7/stm32h753Xi.dtsi>
#include <st/h7/stm32h753zitx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32H743ZI-NUCLEO board";
	compatible = "st,stm32h753zi-nucleo";

	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,dtcm = &dtcm;
		zephyr,code-partition = &slot0_partition;
		zephyr,canbus = &can1;
	};

	leds {
		compatible = "gpio-leds";
		green_led: led_0 {
			gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};
		yellow_led: led_1 {
			gpios = <&gpioe 1 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		red_pwm_led: red_pwm_led {
			pwms = <&pwm12 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button_0 {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
		};
	};

	aliases {
		led0 = &green_led;
		led1 = &yellow_led;
		pwm-led0 = &red_pwm_led;
		sw0 = &user_button;
	};
};

&clk_hse {
	hse-bypass;
	clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
	status = "okay";
};

&pll {
	div-m = <1>;
	mul-n = <24>;
	div-p = <2>;
	div-q = <4>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(96)>;
	d1cpre = <1>;
	hpre = <1>;
	d1ppre = <1>;
	d2ppre1 = <1>;
	d2ppre2 = <1>;
	d3ppre = <1>;
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pd8 &usart3_rx_pd9>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

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

&rtc {
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&timers12 {
	st,prescaler = <10000>;
	status = "okay";

	pwm12: pwm {
		status = "okay";
		pinctrl-0 = <&tim12_ch1_pb14>;
		pinctrl-names = "default";
	};
};

&adc1 {
	pinctrl-0 = <&adc1_inp15_pa3>;
	pinctrl-names = "default";
	status = "okay";
};

&rng {
	status = "okay";
};

&can1 {
	pinctrl-0 = <&fdcan1_rx_pd0 &fdcan1_tx_pd1>;
	pinctrl-names = "default";
	bus-speed = <125000>;
	bus-speed-data = <1000000>;
	status = "okay";
};

/*
 * WARNING:
 * Possible pin conflicts:
 *          The pins PA2 and PB13 may conflict on selection of ETH_STM32_HAL,
 *          since they are used in ST Zio or ST morpho connectors.
 *          To avoid conflicting states the jumpers JP6 and JP7
 *          must be in ON state.
 */
&mac {
	status = "okay";
	pinctrl-0 = <&eth_mdc_pc1
		     &eth_rxd0_pc4
		     &eth_rxd1_pc5
		     &eth_ref_clk_pa1
		     &eth_mdio_pa2
		     &eth_crs_dv_pa7
		     &eth_tx_en_pg11
		     &eth_txd0_pg13
		     &eth_txd1_pb13>;
	pinctrl-names = "default";
};

&spi1 {
	status = "okay";
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	cs-gpios = <&gpiod 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};

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

		/* 128KB for bootloader */
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(128)>;
			read-only;
		};

		/* storage: 128KB for settings */
		storage_partition: partition@20000 {
			label = "storage";
			reg = <0x00020000 DT_SIZE_K(128)>;
		};

		/* application image slot: 256KB */
		slot0_partition: partition@40000 {
			label = "image-0";
			reg = <0x00040000 DT_SIZE_K(256)>;
		};

		/* backup slot: 256KB */
		slot1_partition: partition@80000 {
			label = "image-1";
			reg = <0x00080000 DT_SIZE_K(256)>;
		};

		/* swap slot: 128KB */
		scratch_partition: partition@c0000 {
			label = "image-scratch";
			reg = <0x000c0000 DT_SIZE_K(128)>;
		};

	};
};