linux_dsm_epyc7002/arch/arm/boot/dts/armada-390-db.dts

/*
 * Device Tree file for Marvell Armada 390 Development Board
 * (DB-88F6920)
 *
 * Copyright (C) 2016 Marvell
 *
 * Grzegorz Jaszczyk <jaz@semihalf.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 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.
 *
 * 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-390.dtsi"

/ {
	model = "Marvell Armada 390 Development Board";
	compatible = "marvell,a390-db", "marvell,armada390";

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

	memory {
		device_type = "memory";
		reg = <0x00000000 0x80000000>; /* 2 GB */
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000>;

		internal-regs {
			i2c@11000 {
				status = "okay";
				clock-frequency = <100000>;

				eeprom@50 {
					compatible = "atmel,24c64";
					reg = <0x50>;
				};
			};

			/* CON104 */
			serial@12000 {
				status = "okay";
			};

			/* CON97 */
			usb@58000 {
				status = "okay";
			};

			flash@d0000 {
				status = "okay";
				pinctrl-0 = <&nand_pins>;
				pinctrl-names = "default";
				num-cs = <1>;
				marvell,nand-keep-config;
				marvell,nand-enable-arbiter;
				nand-on-flash-bbt;
				nand-ecc-strength = <8>;
				nand-ecc-step-size = <512>;

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

					partition@0 {
						label = "U-Boot";
						reg = <0 0x800000>;
					};
					partition@800000 {
						label = "Linux";
						reg = <0x800000 0x800000>;
					};
					partition@1000000 {
						label = "Filesystem";
						reg = <0x1000000 0x3f000000>;
					};
				};
			};

			/* CON98 */
			usb3@f8000 {
				status = "okay";
			};
		};

		pcie {
			status = "okay";

			/* CON30 */
			pcie@1,0 {
				status = "okay";
			};

			/* CON44 */
			pcie@2,0 {
				status = "okay";
			};

			/* CON61 */
			pcie@3,0 {
				status = "okay";
			};
		};
	};
};

&spi1 {
	status = "okay";
	pinctrl-0 = <&spi1_pins>;
	pinctrl-names = "default";

	spi-flash@1 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "n25q128a13",
			     "jedec,spi-nor";
		reg = <0>; /* Chip select 0 */
		spi-max-frequency = <108000000>;

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

			partition@0 {
				label = "U-Boot";
				reg = <0 0x400000>;
			};
			partition@400000 {
				label = "Filesystem";
				reg = <0x400000 0xc00000>;
			};
		};
	};
};