arch/arm64/boot/dts/marvell/armada-7020-comexpress.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-7020-comexpress.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-7020-comexpress.dtsi
Extension
.dtsi
Size
2485 bytes
Lines
162
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (C) 2023 Marvell Technology Group Ltd.
 *
 * Device Tree file for Marvell Armada 7020 Com Express CPU module board.
 */

#include "armada-7020.dtsi"

/ {
	model = "Marvell Armada-7020 COMEXPRESS board setup";
	compatible = "marvell,armada7020-cpu-module", "marvell,armada7020",
			"marvell,armada-ap806-dual", "marvell,armada-ap806";

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x2 0x00000000>;
	};

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

	aliases {
		ethernet0 = &cp0_eth0;
		ethernet1 = &cp0_eth1;
	};
};

&ap_clk {
	status = "okay";
};

&gic {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <100000>;
};

&spi0 {
	status = "okay";
};

&uart0 {
	status = "okay";
};

&cp0_mdio {
	status = "okay";

	phy0: ethernet-phy@10 {
		reg = <0x10>;
	};
};

&cp0_ethernet {
	status = "okay";
};

&cp0_eth0 {
	status = "okay";
	phy-mode = "10gbase-r";
	managed = "in-band-status";
	/* Generic PHY, providing serdes lanes */
	phys = <&cp0_comphy4 0>;
};

Annotation

Implementation Notes