arch/arm64/boot/dts/marvell/armada-7040-db.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-7040-db.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-7040-db.dts
Extension
.dts
Size
5767 bytes
Lines
308
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) 2016 Marvell Technology Group Ltd.
 *
 * Device Tree file for Marvell Armada 7040 Development board platform
 */

#include <dt-bindings/gpio/gpio.h>
#include "armada-7040.dtsi"

/ {
	model = "Marvell Armada 7040 DB board";
	compatible = "marvell,armada7040-db", "marvell,armada7040",
		     "marvell,armada-ap806-quad", "marvell,armada-ap806";

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

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x80000000>;
	};

	aliases {
		ethernet0 = &cp0_eth0;
		ethernet1 = &cp0_eth1;
		ethernet2 = &cp0_eth2;
	};

	cp0_exp_usb3_0_current_regulator: gpio-regulator {
		compatible = "regulator-gpio";
		regulator-name = "cp0-usb3-0-current-regulator";
		regulator-type = "current";
		regulator-min-microamp = <500000>;
		regulator-max-microamp = <900000>;
		gpios = <&expander0 4 GPIO_ACTIVE_HIGH>;
		states = <500000 0x0
			  900000 0x1>;
		enable-active-high;
		gpios-states = <0>;
	};

	cp0_exp_usb3_1_current_regulator: gpio-regulator {
		compatible = "regulator-gpio";
		regulator-name = "cp0-usb3-1-current-regulator";
		regulator-type = "current";
		regulator-min-microamp = <500000>;
		regulator-max-microamp = <900000>;
		gpios = <&expander0 5 GPIO_ACTIVE_HIGH>;
		states = <500000 0x0
			  900000 0x1>;
		enable-active-high;
		gpios-states = <0>;
	};

	cp0_reg_usb3_0_vbus: cp0-usb3-0-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb3h0-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
		gpio = <&expander0 0 GPIO_ACTIVE_HIGH>;
		vin-supply = <&cp0_exp_usb3_0_current_regulator>;
	};

	cp0_reg_usb3_1_vbus: cp0-usb3-1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb3h1-vbus";
		regulator-min-microvolt = <5000000>;

Annotation

Implementation Notes