linux_dsm_epyc7002/arch/arm/boot/dts/armada-375-db.dts

/*
 * Device Tree file for Marvell Armada 375 evaluation board
 * (DB-88F6720)
 *
 *  Copyright (C) 2014 Marvell
 *
 * Gregory CLEMENT <gregory.clement@free-electrons.com>
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 *
 * 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.
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "armada-375.dtsi"

/ {
	model = "Marvell Armada 375 Development Board";
	compatible = "marvell,a375-db", "marvell,armada375";

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

	memory {
		device_type = "memory";
		reg = <0x00000000 0x40000000>; /* 1 GB */
	};

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

		internal-regs {
			spi@10600 {
				pinctrl-0 = <&spi0_pins>;
				pinctrl-names = "default";
				/*
				 * SPI conflicts with NAND, so we disable it
				 * here, and select NAND as the enabled device
				 * by default.
				 */
				status = "disabled";

				spi-flash@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					compatible = "n25q128a13";
					reg = <0>; /* Chip select 0 */
					spi-max-frequency = <108000000>;
				};
			};

			i2c@11000 {
				status = "okay";
				clock-frequency = <100000>;
				pinctrl-0 = <&i2c0_pins>;
				pinctrl-names = "default";
			};

			i2c@11100 {
				status = "okay";
				clock-frequency = <100000>;
				pinctrl-0 = <&i2c1_pins>;
				pinctrl-names = "default";
			};

			serial@12000 {
				status = "okay";
			};

			pinctrl {
				sdio_st_pins: sdio-st-pins {
					marvell,pins = "mpp44", "mpp45";
					marvell,function = "gpio";
				};
			};

			sata@a0000 {
				status = "okay";
				nr-ports = <2>;
			};

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

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

			usb@54000 {
				status = "okay";
			};

			usb3@58000 {
				status = "okay";
			};

			mvsdio@d4000 {
				pinctrl-0 = <&sdio_pins &sdio_st_pins>;
				pinctrl-names = "default";
				status = "okay";
				cd-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
				wp-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
			};
		};

		pcie-controller {
			status = "okay";
			/*
			 * The two PCIe units are accessible through
			 * standard PCIe slots on the board.
			 */
			pcie@1,0 {
				/* Port 0, Lane 0 */
				status = "okay";
			};
			pcie@2,0 {
				/* Port 1, Lane 0 */
				status = "okay";
			};
		};
	};
};