boards/arm/stm32h735g_disco/stm32h735g_disco.dts

/*
 * Copyright (c) 2021 SILA Embedded Solutions GmbH
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h7/stm32h735Xg.dtsi>
#include <st/h7/stm32h735igkx-pinctrl.dtsi>
#include "pmod_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32H735G DISCOVERY board";
	compatible = "st,stm32h735g-disco";

	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";
		red_led: led_1 {
			gpios = <&gpioc 2 GPIO_ACTIVE_LOW>;
			label = "User LD2";
		};
		green_led: led_2 {
			gpios = <&gpioc 3 GPIO_ACTIVE_LOW>;
			label = "User LD1";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &red_led;
		led1 = &green_led;
		sw0 = &user_button;
		volt-sensor1 = &vbat;
	};
};

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

&clk_lse {
	status = "okay";
};

&clk_lsi {
	status = "okay";
};

&clk_hsi48 {
	status = "okay";
};

&pll {
	div-m = <5>;
	mul-n = <110>;
	div-p = <1>;
	div-q = <4>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(550)>;
	d1cpre = <1>;
	hpre = <2>;
	d1ppre = <2>;
	d2ppre1 = <2>;
	d2ppre2 = <2>;
	d3ppre = <2>;
};

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

&uart7 {
	pinctrl-0 = <&uart7_tx_pf7 &uart7_rx_pf6>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

&i2c4 {
	pinctrl-0 = <&i2c4_scl_pf14 &i2c4_sda_pf15>;
	pinctrl-names = "default";
};

&rng {
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc1_inp0_pa0_c>;
	pinctrl-names = "default";
	st,adc-clock-source = <SYNC>;
	st,adc-prescaler = <4>;
	status = "okay";
};

&mac {
	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_pb11
		     &eth_txd0_pb12
		     &eth_txd1_pb13>;
	pinctrl-names = "default";
	status = "okay";
};

&sdmmc1 {
	pinctrl-0 = <&sdmmc1_d0_pc8
		     &sdmmc1_d1_pc9
		     &sdmmc1_d2_pc10
		     &sdmmc1_d3_pc11
		     &sdmmc1_ck_pc12
		     &sdmmc1_cmd_pd2>;
	pinctrl-names = "default";
	cd-gpios = <&gpiof 5 GPIO_ACTIVE_LOW>;
};

&octospi1 {
	pinctrl-0 = <&octospim_p1_clk_pf10 &octospim_p1_ncs_pg6
		     &octospim_p1_io0_pd11 &octospim_p1_io1_pd12
		     &octospim_p1_io2_pe2 &octospim_p1_io3_pd13
		     &octospim_p1_io4_pd4 &octospim_p1_io5_pd5
		     &octospim_p1_io6_pg9 &octospim_p1_io7_pd7
		     &octospim_p1_dqs_pb2>;
	pinctrl-names = "default";

	status = "okay";

	mx25lm51245: ospi-nor-flash@0 {
		compatible = "st,stm32-ospi-nor";
		reg = <0>;
		ospi-max-frequency = <DT_FREQ_M(50)>;
		size = <DT_SIZE_M(512)>; /* 64 MBytes */
		spi-bus-width = <OSPI_OPI_MODE>;
		data-rate = <OSPI_DTR_TRANSFER>;
		status = "okay";

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

			   partition@0 {
			       label = "nor";
			       reg = <0x00000000 DT_SIZE_M(4)>;
			   };
		};
	};
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB4 0x00010000>,
		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";

	backup_regs {
		status = "okay";
	};
};

&vbat {
	status = "okay";
};