u-boot/arch/arm/dts/stm32f769-disco.dts

// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
 *
 */

/dts-v1/;
#include "stm32f746.dtsi"
#include "stm32f769-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "STMicroelectronics STM32F769-DISCO board";
	compatible = "st,stm32f769-disco", "st,stm32f769";

	chosen {
		bootargs = "root=/dev/ram";
		stdout-path = "serial0:115200n8";
	};

	memory {
		device_type = "memory";
		reg = <0xC0000000 0x1000000>;
	};

	aliases {
		serial0 = &usart1;
	};

	leds {
		compatible = "gpio-leds";
		green {
			gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
		red {
			gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;
		autorepeat;
		button@0 {
			label = "User";
			linux,code = <KEY_HOME>;
			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
		};
	};

	usbotg_hs_phy: usb-phy {
		#phy-cells = <0>;
		compatible = "usb-nop-xceiv";
		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
		clock-names = "main_clk";
	};

	mmc_vcard: mmc_vcard {
		compatible = "regulator-fixed";
		regulator-name = "mmc_vcard";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&rcc {
	compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
};

&cec {
	pinctrl-0 = <&cec_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};

&clk_hse {
	clock-frequency = <25000000>;
};

&i2c1 {
	pinctrl-0 = <&i2c1_pins_b>;
	pinctrl-names = "default";
	i2c-scl-rising-time-ns = <185>;
	i2c-scl-falling-time-ns = <20>;
	status = "okay";
};

&rtc {
	status = "okay";
};

&sdio2 {
	status = "okay";
	vmmc-supply = <&mmc_vcard>;
	cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
	broken-cd;
	pinctrl-names = "default", "opendrain";
	pinctrl-0 = <&sdio_pins_b>;
	pinctrl-1 = <&sdio_pins_od_b>;
	bus-width = <4>;
};

&usart1 {
	pinctrl-0 = <&usart1_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};

&usbotg_hs {
	dr_mode = "otg";
	phys = <&usbotg_hs_phy>;
	phy-names = "usb2-phy";
	pinctrl-0 = <&usbotg_hs_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};