arch/arm/boot/dts/marvell/armada-388-clearfog-base.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-388-clearfog-base.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-388-clearfog-base.dts
Extension
.dts
Size
1366 bytes
Lines
69
Domain
Architecture Layer
Bucket
arch/arm
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)
/*
 * Device Tree file for SolidRun Clearfog Base revision A1 rev 2.0 (88F6828)
 *
 *  Copyright (C) 2015 Russell King
 */

/dts-v1/;
#include "armada-388-clearfog.dtsi"

/ {
	model = "SolidRun Clearfog Base A1";
	compatible = "solidrun,clearfog-base-a1",
		"solidrun,clearfog-a1", "marvell,armada388",
		"marvell,armada385", "marvell,armada380";

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&rear_button_pins>;
		pinctrl-names = "default";

		button-0 {
			/* The rear SW3 button */
			label = "Rear Button";
			gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
			linux,can-disable;
			linux,code = <BTN_0>;
		};
	};
};

&eth1 {
	phy = <&phy1>;
};

&gpio0 {
	phy1-reset-hog {
		gpio-hog;
		gpios = <19 GPIO_ACTIVE_LOW>;
		output-low;
		line-name = "phy1-reset";
	};
};

&mdio {
	pinctrl-0 = <&mdio_pins &microsom_phy_clk_pins &clearfog_phy_pins>;
	phy1: ethernet-phy@1 {
		/*
		 * Annoyingly, the marvell phy driver configures the LED
		 * register, rather than preserving reset-loaded setting.
		 * We undo that rubbish here.
		 */
		marvell,reg-init = <3 16 0 0x101e>;
		reg = <1>;
	};
};

&pinctrl {
	/* phy1 reset */
	clearfog_phy_pins: clearfog-phy-pins {
		marvell,pins = "mpp19";
		marvell,function = "gpio";
	};
	rear_button_pins: rear-button-pins {
		marvell,pins = "mpp44";
		marvell,function = "gpio";
	};
};

Annotation

Implementation Notes