linux_dsm_epyc7002/arch/arm/boot/dts/armada-370-db.dts

/*
 * Device Tree file for Marvell Armada 370 evaluation board
 * (DB-88F6710-BP-DDR3)
 *
 *  Copyright (C) 2012 Marvell
 *
 * Lior Amsalem <alior@marvell.com>
 * 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 "armada-370.dtsi"

/ {
	model = "Marvell Armada 370 Evaluation Board";
	compatible = "marvell,a370-db", "marvell,armada370", "marvell,armada-370-xp";

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

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

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
			  MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;

		internal-regs {
			serial@12000 {
				status = "okay";
			};
			sata@a0000 {
				nr-ports = <2>;
				status = "okay";
			};

			mdio {
				pinctrl-0 = <&mdio_pins>;
				pinctrl-names = "default";
				phy0: ethernet-phy@0 {
					reg = <0>;
				};

				phy1: ethernet-phy@1 {
					reg = <1>;
				};
			};

			ethernet@70000 {
				pinctrl-0 = <&ge0_rgmii_pins>;
				pinctrl-names = "default";
				status = "okay";
				phy = <&phy0>;
				phy-mode = "rgmii-id";
			};
			ethernet@74000 {
				pinctrl-0 = <&ge1_rgmii_pins>;
				pinctrl-names = "default";
				status = "okay";
				phy = <&phy1>;
				phy-mode = "rgmii-id";
			};

			i2c@11000 {
				pinctrl-0 = <&i2c0_pins>;
				pinctrl-names = "default";
				clock-frequency = <100000>;
				status = "okay";
				audio_codec: audio-codec@4a {
					#sound-dai-cells = <0>;
					compatible = "cirrus,cs42l51";
					reg = <0x4a>;
				};
			};

			audio-controller@30000 {
				pinctrl-0 = <&i2s_pins2>;
				pinctrl-names = "default";
				status = "okay";
			};

			mvsdio@d4000 {
				pinctrl-0 = <&sdio_pins1>;
				pinctrl-names = "default";
				/*
				 * This device is disabled by default, because
				 * using the SD card connector requires
				 * changing the default CON40 connector
				 * "DB-88F6710_MPP_2xRGMII_DEVICE_Jumper" to a
				 * different connector
				 * "DB-88F6710_MPP_RGMII_SD_Jumper".
				 */
				status = "disabled";
				/* No CD or WP GPIOs */
				broken-cd;
			};

			usb@50000 {
				status = "okay";
			};

			usb@51000 {
				status = "okay";
			};

			spi0: spi@10600 {
				pinctrl-0 = <&spi0_pins2>;
				pinctrl-names = "default";
				status = "okay";

				spi-flash@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					compatible = "mx25l25635e";
					reg = <0>; /* Chip select 0 */
					spi-max-frequency = <50000000>;
				};
			};
		};

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

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

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "Armada 370 DB Audio";
		simple-audio-card,mclk-fs = <256>;
		simple-audio-card,widgets =
			"Headphone", "Out Jack",
			"Line", "In Jack";
		simple-audio-card,routing =
			"Out Jack", "HPL",
			"Out Jack", "HPR",
			"AIN1L", "In Jack",
			"AIN1L", "In Jack";
		status = "okay";

		simple-audio-card,dai-link@0 {
			format = "i2s";
			cpu {
				sound-dai = <&audio_controller 0>;
			};

			codec {
				sound-dai = <&audio_codec>;
			};
		};

		simple-audio-card,dai-link@1 {
			format = "i2s";
			cpu {
				sound-dai = <&audio_controller 1>;
			};

			codec {
				sound-dai = <&spdif_out>;
			};
		};

		simple-audio-card,dai-link@2 {
			format = "i2s";
			cpu {
				sound-dai = <&audio_controller 1>;
			};

			codec {
				sound-dai = <&spdif_in>;
			};
		};
	};

	spdif_out: spdif-out {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
	};

	spdif_in: spdif-in {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dir";
	};
};

&pinctrl {
	/*
	 * These pins might be muxed as I2S by
	 * the bootloader, but it conflicts
	 * with the real I2S pins that are
	 * muxed using i2s_pins. We must mux
	 * those pins to a function other than
	 * I2S.
	 */
	pinctrl-0 = <&hog_pins1 &hog_pins2>;
	pinctrl-names = "default";

	hog_pins1: hog-pins1 {
		marvell,pins = "mpp6",  "mpp8", "mpp10",
			       "mpp12", "mpp13";
		marvell,function = "gpio";
	};

	hog_pins2: hog-pins2 {
		marvell,pins = "mpp5", "mpp7", "mpp9";
		marvell,function = "gpo";
	};
};