arch/arm/dts/socfpga_cyclone5_de10_nano.dts


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// SPDX-License-Identifier: GPL-2.0-or-later

/*
 * socfpga_cyclone5_de10_nano.dts - Device Tree File for Terasic DE10-Nano
 * Copyright (C) 2021 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
 */

#include <arm/socfpga_cyclone5.dtsi>
#include "socfpga.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Terasic DE10-Nano";
	compatible = "terasic,de10-nano", "altr,socfpga-cyclone5", "altr,socfpga";

	chosen {
		bootargs = "earlyprintk";
		stdout-path = &uart0;

		environment {
			compatible = "barebox,environment";
			device-path = &mmc, "partname:1";
			file-path = "barebox.env";
		};
	};

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

	aliases {
		ethernet0 = &gmac1;
	};

	regulator_3_3v: 3-3-v-regulator {
		compatible = "regulator-fixed";
		regulator-name = "3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		hps_hkey0 {
			label = "HPS_KEY";
			gpios = <&portb 25 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_0>;
		};
	};

	leds {
		compatible = "gpio-leds";
		hps0 {
			label = "hps_led0";
			gpios = <&portb 24 0>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&gmac1 {
	status = "okay";
	phy-mode = "rgmii";

	txd0-skew-ps = <0>; /* -420ps */
	txd1-skew-ps = <0>; /* -420ps */
	txd2-skew-ps = <0>; /* -420ps */
	txd3-skew-ps = <0>; /* -420ps */
	rxd0-skew-ps = <420>; /* 0ps */
	rxd1-skew-ps = <420>; /* 0ps */
	rxd2-skew-ps = <420>; /* 0ps */
	rxd3-skew-ps = <420>; /* 0ps */
	txen-skew-ps = <0>; /* -420ps */
	txc-skew-ps = <1860>; /* 960ps */
	rxdv-skew-ps = <420>; /* 0ps */
	rxc-skew-ps = <1680>; /* 780ps */

	max-frame-size = <3800>;
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpio2 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <100000>;

	adxl345: adxl345@53 {
		compatible = "adi,adxl345";
		reg = <0x53>;

		interrupt-parent = <&portc>;
		interrupts = <3 2>;
	};
};

&i2c1 {
	status = "okay";
};

&mmc0 {
	vmmc-supply = <&regulator_3_3v>;
	vqmmc-supply = <&regulator_3_3v>;
	status = "okay";
};

&uart0 {
	status = "okay";
};

&usb1 {
	status = "okay";
};