boards/arm/cyclonev_socdk/cyclonev_socdk.dts

/*
 * SPDX-License-Identifier: Apache-2.0
 * Copyright (C) 2021, Intel Corporation
 * Description:
 * Main Device Tree source of the Cyclone V SoC DevKit
 * this file is based on the GSRD DTS for Linux
 */

#include "intel_socfpga_std/socfpga_cyclone5.dtsi"
#include <zephyr/dt-bindings/gpio/gpio.h>

/ {
	model = "Altera SOCFPGA Cyclone V SoC Development Kit";
	compatible = "altr,socfpga-cyclone5-socdk", "altr,socfpga-cyclone5", "altr,socfpga";

	ddr0: memory@0 {
		name = "memory";
		device_type = "memory";
		reg = <0x0 0x40000000>; /* 1GB */
	};

	aliases {
	/* Giving different names to the LEDs connected to the HPS side of the chip */
		led0 = &hps0;
		led1 = &hps1;
		led2 = &hps2;
		led3 = &hps3;
		eeprom-0 = &eeprom;
	};

	leds {
		compatible = "gpio-leds";
		hps3: hps_led_3 {
			gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
		};
		hps2: hps_led_2 {
			gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
		};
		hps1: hps_led_1 {
			gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
		};
		hps0: hps_led_0 {
			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
		};
	};

	soc {
		gpio0: gpio@ff708000 {
			status = "okay";
		};
		gpio1: gpio@ff709000 {
			status = "okay";
		};
		gpio2: gpio@ff70a000 {
			status = "okay";
		};

		i2c0: i2c@ffc04000 {
			status = "okay";

			eeprom: eeprom@51 {
				compatible = "atmel,at24";
				status = "okay";
				reg = <0x51>;
				size = <4096>;
				address-width = <8>;
				timeout = <25>;
				pagesize = <32>;
				label = "EEPROM";
			};

			ds3231: rtc@68 {
				compatible = "maxim,ds3231";
				reg = <0x68>;
				label = "RTC_DS1339";
			};
		};
	};

	/* Configuring Zephyr mandatory devices */
	chosen {
		zephyr,sram	   = &ddr0;
		/*zephyr,flash	= &flash0;*/
		zephyr,console	= &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,ocm		= &ocram;
	};
};