linux-zen-server/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts

// SPDX-License-Identifier: (GPL-2.0+ OR X11)
/*
 * Copyright (C) 2015 Marek Vasut <marex@denx.de>
 */

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

/ {
	model = "samtec VIN|ING FPGA";
	compatible = "samtec,vining", "altr,socfpga-cyclone5", "altr,socfpga";

	chosen {
		bootargs = "earlyprintk";
		stdout-path = "serial0:115200n8";
	};

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

	aliases {
		/*
		 * This allow the ethaddr uboot environment variable contents
		 * to be added to the gmac1 device tree blob.
		 */
		ethernet0 = &gmac1;
		ethernet1 = &gmac0;
	};

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

		hps_temp0 {
			label = "BTN_0";			/* TEMP_OS */
			gpios = <&portc 18 GPIO_ACTIVE_LOW>;	/* HPS_GPI5 */
			linux,code = <BTN_0>;
		};

		hps_hkey0 {
			label = "GP_SWITCH";			/* GP_SWITCH */
			gpios = <&portc 19 GPIO_ACTIVE_LOW>;	/* HPS_GPI6 */
			linux,code = <BTN_1>;
		};

		hps_hkey1 {
			label = "RESET_SWITCH";			/* RESET_SWITCH */
			gpios = <&portc 20 GPIO_ACTIVE_LOW>;	/* HPS_GPI7 */
			linux,code = <BTN_2>;
		};

		hps_hkey2 {
			label = "POWER_DOWN";			/* POWER_DOWN */
			gpios = <&portc 4 GPIO_ACTIVE_LOW>;	/* HPS_GPIO62 */
			linux,code = <KEY_POWER>;
		};

		hps_hkey3 {
			label = "SENSE";			/* SENSE */
			gpios = <&porta 9 GPIO_ACTIVE_LOW>;	/* HPS_GPIO9 */
			linux,code = <BTN_3>;
		};
	};

	regulator-usb-nrst {
		compatible = "regulator-fixed";
		regulator-name = "usb_nrst";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&portb 5 GPIO_ACTIVE_HIGH>;
		startup-delay-us = <70000>;
		enable-active-high;
		regulator-always-on;
	};
};

&gmac1 {
	status = "okay";
	phy-mode = "rgmii";
	phy-handle = <&phy1>;

	snps,reset-gpio = <&porta 0 GPIO_ACTIVE_LOW>;
	snps,reset-active-low;
	snps,reset-delays-us = <10000 10000 10000>;

	mdio0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";
		phy1: ethernet-phy@1 {
			reg = <1>;
			rxd0-skew-ps = <0>;
			rxd1-skew-ps = <0>;
			rxd2-skew-ps = <0>;
			rxd3-skew-ps = <0>;
			txd0-skew-ps = <0>;
			txd1-skew-ps = <0>;
			txd2-skew-ps = <0>;
			txd3-skew-ps = <0>;
			txen-skew-ps = <0>;
			txc-skew-ps = <1860>;
			rxdv-skew-ps = <0>;
			rxc-skew-ps = <1860>;
		};
	};
};

&gpio0 {	/* GPIO 0..29 */
	status = "okay";
};

&gpio1 {	/* GPIO 30..57 */
	status = "okay";
};

&gpio2 {	/* GPIO 58..66 (HLGPI 0..13 at offset 13) */
	status = "okay";
};

&i2c0 {
	status = "okay";

	gpio: pca9557@1f {
		compatible = "nxp,pca9557";
		reg = <0x1f>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	temp: lm75@48 {
		compatible = "lm75";
		reg = <0x48>;
	};

	at24@50 {
		compatible = "atmel,24c01";
		pagesize = <8>;
		reg = <0x50>;
	};

	i2c-mux@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
		};

		i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;
		};

		i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;
		};

		i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;
		};

		i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
		};

		i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
		};

		i2c@6 {	/* Backplane EEPROM */
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;
			eeprom@51 {
				compatible = "atmel,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@7 {	/* Power board EEPROM */
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
			eeprom@51 {
				compatible = "atmel,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};
	};
};

&i2c1 {
	status = "okay";
	clock-frequency = <100000>;

	at24@50 {
		compatible = "atmel,24c02";
		pagesize = <8>;
		reg = <0x50>;
	};
};

&qspi {
	status = "okay";

	flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "micron,n25q128", "jedec,spi-nor";
		reg = <0>;		/* chip select */
		spi-max-frequency = <100000000>;
		m25p,fast-read;

		cdns,page-size = <256>;
		cdns,block-size = <16>;
		cdns,read-delay = <4>;
		cdns,tshsl-ns = <50>;
		cdns,tsd2d-ns = <50>;
		cdns,tchsh-ns = <4>;
		cdns,tslch-ns = <4>;
	};

	flash@1 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "micron,mt25qu02g", "jedec,spi-nor";
		reg = <1>;		/* chip select */
		spi-max-frequency = <100000000>;
		m25p,fast-read;

		cdns,page-size = <256>;
		cdns,block-size = <16>;
		cdns,read-delay = <4>;
		cdns,tshsl-ns = <50>;
		cdns,tsd2d-ns = <50>;
		cdns,tchsh-ns = <4>;
		cdns,tslch-ns = <4>;
	};
};

&usb0 {
	dr_mode = "host";
	status = "okay";
};

&usb1 {
	dr_mode = "peripheral";
	status = "okay";
};