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path: root/arch/arm/boot/dts/armada-388-clearfog.dts
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/*
 * Device Tree file for SolidRun Clearfog Pro revision A1 rev 2.0 (88F6828)
 *
 *  Copyright (C) 2015 Russell King
 *
 * This board is in development; the contents of this file work with
 * the A1 rev 2.0 of the board, which does not represent final
 * production board.  Things will change, don't expect this file to
 * remain compatible info the future.
 *
 * 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
 *     version 2 as published by the Free Software Foundation.
 *
 *     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.
 *
 * 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.
 */

/dts-v1/;
#include "armada-388-clearfog.dtsi"

/ {
	model = "SolidRun Clearfog A1";
	compatible = "solidrun,clearfog-a1", "marvell,armada388",
		"marvell,armada385", "marvell,armada380";

	soc {
		internal-regs {
			usb3@f0000 {
				/* CON2, nearest CPU, USB2 only. */
				status = "okay";
			};
		};

		pcie {
			pcie@3,0 {
				/* Port 2, Lane 0. CON2, nearest CPU. */
				reset-gpios = <&expander0 2 GPIO_ACTIVE_LOW>;
				status = "okay";
			};
		};
	};

	dsa@0 {
		status = "disabled";

		compatible = "marvell,dsa";
		dsa,ethernet = <&eth1>;
		dsa,mii-bus = <&mdio>;
		pinctrl-0 = <&clearfog_dsa0_clk_pins &clearfog_dsa0_pins>;
		pinctrl-names = "default";
		#address-cells = <2>;
		#size-cells = <0>;

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

			port@0 {
				reg = <0>;
				label = "lan5";
			};

			port@1 {
				reg = <1>;
				label = "lan4";
			};

			port@2 {
				reg = <2>;
				label = "lan3";
			};

			port@3 {
				reg = <3>;
				label = "lan2";
			};

			port@4 {
				reg = <4>;
				label = "lan1";
			};

			port@5 {
				reg = <5>;
				label = "cpu";
			};

			port@6 {
				/* 88E1512 external phy */
				reg = <6>;
				label = "lan6";
				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&rear_button_pins>;
		pinctrl-names = "default";

		button_0 {
			/* The rear SW3 button */
			label = "Rear Button";
			gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
			linux,can-disable;
			linux,code = <BTN_0>;
		};
	};
};

&eth1 {
	/* ethernet@30000 */
	fixed-link {
		speed = <1000>;
		full-duplex;
	};
};

&expander0 {
	/*
	 * PCA9655 GPIO expander:
	 *  0-CON3 CLKREQ#
	 *  1-CON3 PERST#
	 *  2-CON2 PERST#
	 *  3-CON3 W_DISABLE
	 *  4-CON2 CLKREQ#
	 *  5-USB3 overcurrent
	 *  6-USB3 power
	 *  7-CON2 W_DISABLE
	 *  8-JP4 P1
	 *  9-JP4 P4
	 * 10-JP4 P5
	 * 11-m.2 DEVSLP
	 * 12-SFP_LOS
	 * 13-SFP_TX_FAULT
	 * 14-SFP_TX_DISABLE
	 * 15-SFP_MOD_DEF0
	 */
	pcie2_0_clkreq {
		gpio-hog;
		gpios = <4 GPIO_ACTIVE_LOW>;
		input;
		line-name = "pcie2.0-clkreq";
	};
	pcie2_0_w_disable {
		gpio-hog;
		gpios = <7 GPIO_ACTIVE_LOW>;
		output-low;
		line-name = "pcie2.0-w-disable";
	};
};

&mdio {
	status = "okay";

	switch@4 {
		compatible = "marvell,mv88e6085";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <4>;
		pinctrl-0 = <&clearfog_dsa0_clk_pins &clearfog_dsa0_pins>;
		pinctrl-names = "default";

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;
				label = "lan5";
			};

			port@1 {
				reg = <1>;
				label = "lan4";
			};

			port@2 {
				reg = <2>;
				label = "lan3";
			};

			port@3 {
				reg = <3>;
				label = "lan2";
			};

			port@4 {
				reg = <4>;
				label = "lan1";
			};

			port@5 {
				reg = <5>;
				label = "cpu";
				ethernet = <&eth1>;
				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};

			port@6 {
				/* 88E1512 external phy */
				reg = <6>;
				label = "lan6";
				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};
		};
	};
};

&pinctrl {
	clearfog_dsa0_clk_pins: clearfog-dsa0-clk-pins {
		marvell,pins = "mpp46";
		marvell,function = "ref";
	};
	clearfog_dsa0_pins: clearfog-dsa0-pins {
		marvell,pins = "mpp23", "mpp41";
		marvell,function = "gpio";
	};
	clearfog_spi1_cs_pins: spi1-cs-pins {
		marvell,pins = "mpp55";
		marvell,function = "spi1";
	};
	rear_button_pins: rear-button-pins {
		marvell,pins = "mpp34";
		marvell,function = "gpio";
	};
};

&spi1 {
	/*
	 * Add SPI CS pins for clearfog:
	 * CS0: W25Q32 (not populated on uSOM)
	 * CS1:
	 * CS2: mikrobus
	 */
	pinctrl-0 = <&spi1_pins &clearfog_spi1_cs_pins &mikro_spi_pins>;
};