arch/arm/boot/dts/marvell/armada-370-seagate-nas-4bay.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-370-seagate-nas-4bay.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-370-seagate-nas-4bay.dts
Extension
.dts
Size
2657 bytes
Lines
129
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
/*
 * Device Tree file for Seagate NAS 4-Bay (Armada 370 SoC).
 *
 * Copyright (C) 2015 Seagate
 *
 * Author: Vincent Donnefort <vdonnefort@gmail.com>
 */

/*
 * Here are some information allowing to identify the device:
 *
 * Product name                 : Seagate NAS 4-Bay
 * Code name (board/PCB)        : Dart 4-Bay
 * Model name (case sticker)    : SRPD40
 * Material desc (product spec) : STCUxxxxxxx
 */

/dts-v1/;
#include "armada-370-seagate-nas-xbay.dtsi"
#include <dt-bindings/leds/leds-ns2.h>

/ {
	model = "Seagate NAS 4-Bay (Dart, SRPD40)";
	compatible = "seagate,dart-4", "marvell,armada370", "marvell,armada-370-xp";

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

			i2c@11000 {
				/* I2C GPIO expander (PCA9554A) */
				pca9554: pca9554@21 {
					compatible = "nxp,pca9554";
					reg = <0x21>;
					#gpio-cells = <2>;
					gpio-controller;
				};
			};
		};
	};

	regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "SATA2 power";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
		regulator-always-on;
		regulator-boot-on;
		gpio = <&pca9554 6 GPIO_ACTIVE_HIGH>;
	};

	regulator-4 {
		compatible = "regulator-fixed";
		regulator-name = "SATA3 power";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
		regulator-always-on;
		regulator-boot-on;
		gpio = <&pca9554 7 GPIO_ACTIVE_HIGH>;
	};

Annotation

Implementation Notes