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/*
 * Device Tree file for the Turris Omnia
 *
 * Copyright (C) 2016 Uwe Kleine-König <uwe@kleine-koenig.org>
 * Copyright (C) 2016 Tomas Hlavacek <tmshlvkc@gmail.com>
 *
 * 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 licensed under the terms of the GNU General Public
 *     License version 2.  This program is licensed "as is" without
 *     any warranty of any kind, whether express or implied.
 *
 * 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.
 */

/*
 * Schematic available at https://www.turris.cz/doc/_media/rtrom01-schema.pdf
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "armada-385.dtsi"

/ {
	model = "Turris Omnia";
	compatible = "cznic,turris-omnia", "marvell,armada385", "marvell,armada380";

	chosen {
		stdout-path = &uart0;
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x40000000>; /* 1024 MB */
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;

		internal-regs {

			/* USB part of the PCIe2/USB 2.0 port */
			usb@58000 {
				status = "okay";
			};

			sata@a8000 {
				status = "okay";
			};

			sdhci@d8000 {
				pinctrl-names = "default";
				pinctrl-0 = <&sdhci_pins>;
				status = "okay";

				bus-width = <8>;
				no-1-8-v;
				non-removable;
			};

			usb3@f0000 {
				status = "okay";
			};

			usb3@f8000 {
				status = "okay";
			};
		};

		pcie-controller {
			status = "okay";

			pcie@1,0 {
				/* Port 0, Lane 0 */
				status = "okay";
			};

			pcie@2,0 {
				/* Port 1, Lane 0 */
				status = "okay";
			};

			pcie@3,0 {
				/* Port 2, Lane 0 */
				status = "okay";
			};
		};
	};
};

/* Connected to 88E6176 switch, port 6 */
&eth0 {
	pinctrl-names = "default";
	pinctrl-0 = <&ge0_rgmii_pins>;
	status = "okay";
	phy-mode = "rgmii";

	fixed-link {
		speed = <1000>;
		full-duplex;
	};
};

/* Connected to 88E6176 switch, port 5 */
&eth1 {
	pinctrl-names = "default";
	pinctrl-0 = <&ge1_rgmii_pins>;
	status = "okay";
	phy-mode = "rgmii";

	fixed-link {
		speed = <1000>;
		full-duplex;
	};
};

/* WAN port */
&eth2 {
	status = "okay";
	phy-mode = "sgmii";
	phy = <&phy1>;
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";

	i2cmux@70 {
		compatible = "nxp,pca9547";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;
		status = "okay";

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

			/* STM32F0 command interface at address 0x2a */
			/* leds device (in STM32F0) at address 0x2b */

			eeprom@54 {
				compatible = "atmel,24c64";
				reg = <0x54>;

				/* The EEPROM contains data for bootloader.
				 * Contents:
				 * 	struct omnia_eeprom {
				 * 		u32 magic; (=0x0341a034 in LE)
				 *		u32 ramsize; (in GiB)
				 * 		char regdomain[4];
				 * 		u32 crc32;
				 * 	};
				 */
			};
		};

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

			/* routed to PCIe0/mSATA connector (CN7A) */
		};

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

			/* routed to PCIe1/USB2 connector (CN61A) */
		};

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

			/* routed to PCIe2 connector (CN62A) */
		};

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

			/* routed to SFP+ */
		};

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

			/* ATSHA204A at address 0x64 */
		};

		i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;

			/* exposed on pin header */
		};

		i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;

			pcawan: gpio@71 {
				/*
				 * GPIO expander for SFP+ signals and
				 * and phy irq
				 */
				compatible = "nxp,pca9538";
				reg = <0x71>;

				pinctrl-names = "default";
				pinctrl-0 = <&pcawan_pins>;

				interrupt-parent = <&gpio1>;
				interrupts = <14 IRQ_TYPE_LEVEL_LOW>;

				gpio-controller;
				#gpio-cells = <2>;
			};
		};
	};
};

&mdio {
	pinctrl-names = "default";
	pinctrl-0 = <&mdio_pins>;
	status = "okay";

	phy1: phy@1 {
		status = "okay";
		compatible = "ethernet-phy-id0141.0DD1", "ethernet-phy-ieee802.3-c22";
		reg = <1>;

		/* irq is connected to &pcawan pin 7 */
	};

	/* Switch MV88E6176 at address 0x10 */
	switch@10 {
		compatible = "marvell,mv88e6085";
		#address-cells = <1>;
		#size-cells = <0>;
		dsa,member = <0 0>;

		reg = <0x10>;

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

			ports@0 {
				reg = <0>;
				label = "lan0";
			};

			ports@1 {
				reg = <1>;
				label = "lan1";
			};

			ports@2 {
				reg = <2>;
				label = "lan2";
			};

			ports@3 {
				reg = <3>;
				label = "lan3";
			};

			ports@4 {
				reg = <4>;
				label = "lan4";
			};

			ports@5 {
				reg = <5>;
				label = "cpu";
				ethernet = <&eth1>;
				phy-mode = "rgmii-id";

				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};

			/* port 6 is connected to eth0 */
		};
	};
};

&pinctrl {
	pcawan_pins: pcawan-pins {
		marvell,pins = "mpp46";
		marvell,function = "gpio";
	};

	spi0cs0_pins: spi0cs0-pins {
		marvell,pins = "mpp25";
		marvell,function = "spi0";
	};

	spi0cs1_pins: spi0cs1-pins {
		marvell,pins = "mpp26";
		marvell,function = "spi0";
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins &spi0cs0_pins>;
	status = "okay";

	spi-nor@0 {
		compatible = "spansion,s25fl164k", "jedec,spi-nor";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0>;
		spi-max-frequency = <40000000>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				reg = <0x0 0x00100000>;
				label = "U-Boot";
			};

			partition@100000 {
				reg = <0x00100000 0x00700000>;
				label = "Rescue system";
			};
		};
	};

	/* MISO, MOSI, SCLK and CS1 are routed to pin header CN11 */
};

&uart0 {
	/* Pin header CN10 */
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&uart1 {
	/* Pin header CN11 */
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
	status = "okay";
};