arch/arm/boot/dts/marvell/kirkwood-blackarmor-nas220.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/kirkwood-blackarmor-nas220.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/kirkwood-blackarmor-nas220.dts
Extension
.dts
Size
3094 bytes
Lines
173
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 Blackarmor NAS220
 *
 * Copyright (C) 2014 Evgeni Dobrev <evgeni@studio-punkt.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "kirkwood.dtsi"
#include "kirkwood-6192.dtsi"

/ {
	model = "Seagate Blackarmor NAS220";
	compatible = "seagate,blackarmor-nas220","marvell,kirkwood-88f6192",
		     "marvell,kirkwood";

	memory { /* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8";
		stdout-path = &uart0;
	};

	gpio_poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-reset {
			label = "Reset";
			linux,code = <KEY_POWER>;
			gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>;
		};

		button-power {
			label = "Power";
			linux,code = <KEY_SLEEP>;
			gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";

		led-blue-power {
			label = "nas220:blue:power";
			gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;
		pinctrl-0 = <&pmx_power_sata0 &pmx_power_sata1>;
		pinctrl-names = "default";

		sata0_power: regulator@1 {
			compatible = "regulator-fixed";
			reg = <1>;

Annotation

Implementation Notes