arch/arm/boot/dts/marvell/armada-388-helios4.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-388-helios4.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-388-helios4.dts
Extension
.dts
Size
7093 bytes
Lines
325
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 Helios4
 * based on SolidRun Clearfog revision A1 rev 2.0 (88F6828)
 *
 *  Copyright (C) 2017 Aditya Prayoga <aditya@kobol.io>
 *
 */

/dts-v1/;
#include "armada-388.dtsi"
#include "armada-38x-solidrun-microsom.dtsi"

/ {
	model = "Helios4";
	compatible = "kobol,helios4", "marvell,armada388",
		"marvell,armada385", "marvell,armada380";

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

	aliases {
		/* So that mvebu u-boot can update the MAC addresses */
		ethernet1 = &eth0;
	};

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

	reg_12v: regulator-12v {
		compatible = "regulator-fixed";
		regulator-name = "power_brick_12V";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		vin-supply = <&reg_12v>;
	};

	reg_5p0v_hdd: regulator-5v-hdd {
		compatible = "regulator-fixed";
		regulator-name = "5V_HDD";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		vin-supply = <&reg_12v>;
	};

	reg_5p0v_usb: regulator-5v-usb {
		compatible = "regulator-fixed";
		regulator-name = "USB-PWR";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		regulator-always-on;
		enable-active-high;
		gpio = <&expander0 6 GPIO_ACTIVE_HIGH>;
		vin-supply = <&reg_12v>;
	};

Annotation

Implementation Notes