linux_kernel/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts

/*
 *  Copyright (C) 2015 Marek Vasut <marex@denx.de>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of
 *     the License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public
 *     License along with this file; if not, write to the Free
 *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 *     MA 02110-1301 USA
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

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

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

	chosen {
		bootargs = "console=ttyS0,115200";
	};

	memory {
		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;
	};

	leds {
		compatible = "gpio-leds";

		hps_led0 {
			label = "hps:green:led0";	/* ALIVE_LED_GR */
			gpios = <&portb 19 0>;	/* HPS_GPIO48 */
			linux,default-trigger = "heartbeat";
		};

		hps_led1 {
			label = "hps:red:led0";		/* ALIVE_LED_RD */
			gpios = <&portb 24 0>;	/* HPS_GPIO53 */
			linux,default-trigger = "none";
		};

		hps_led2 {
			label = "hps:green:led1";	/* LINK2HOST_LED_GR */
			gpios = <&portb 25 0>;	/* HPS_GPIO54 */
			linux,default-trigger = "heartbeat";
		};

		hps_led3 {
			label = "hps:red:led1";		/* LINK2HOST_LED_RD */
			gpios = <&portc 7 0>;	/* HPS_GPIO65 */
			linux,default-trigger = "none";
		};
	};

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

		hps_temp0 {
			label = "BTN_0";			/* TEMP_OS */
			gpios = <&portc 18 GPIO_ACTIVE_LOW>;	/* HPS_GPIO60 */
			linux,code = <BTN_0>;
		};

		hps_hkey0 {
			label = "BTN_1";			/* DIS_PWR */
			gpios = <&portc 19 GPIO_ACTIVE_LOW>;	/* HPS_GPIO61 */
			linux,code = <BTN_1>;
		};

		hps_hkey1 {
			label = "hps_hkey1";			/* POWER_DOWN */
			gpios = <&portc 20 GPIO_ACTIVE_LOW>;	/* HPS_GPIO62 */
			linux,code = <KEY_POWER>;
		};
	};

	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>;
			txen-skew-ps = <0>;
			txc-skew-ps = <2600>;
			rxdv-skew-ps = <0>;
			rxc-skew-ps = <2000>;
		};
	};
};

&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 = "at24,24c01";
		pagesize = <8>;
		reg = <0x50>;
	};

	i2cswitch@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

		i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};

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

		i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
			eeprom@51 {
				compatible = "at,24c01";
				pagesize = <8>;
				reg = <0x51>;
			};
		};
	};
};

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

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

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

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