arch/arm/boot/dts/synaptics/berlin2q-marvell-dmp.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/synaptics/berlin2q-marvell-dmp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/synaptics/berlin2q-marvell-dmp.dts
Extension
.dts
Size
2730 bytes
Lines
145
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)
/*
 * Copyright (C) 2014 Antoine Ténart <antoine.tenart@free-electrons.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include "berlin2q.dtsi"

/ {
	model = "Marvell BG2-Q DMP";
	compatible = "marvell,berlin2q-dmp", "marvell,berlin2q", "marvell,berlin";

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x80000000>;
	};

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

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		reg_usb0_vbus: regulator_usb0 {
			compatible = "regulator-fixed";
			regulator-name = "usb0_vbus";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			gpio = <&portb 8 GPIO_ACTIVE_HIGH>;
			enable-active-high;
		};

		reg_usb1_vbus: regulator_usb1 {
			compatible = "regulator-fixed";
			regulator-name = "usb1_vbus";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			gpio = <&portb 10 GPIO_ACTIVE_HIGH>;
			enable-active-high;
		};

		reg_usb2_vbus: regulator_usb2 {
			compatible = "regulator-fixed";
			regulator-name = "usb2_vbus";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			gpio = <&portb 12 GPIO_ACTIVE_HIGH>;
			enable-active-high;
		};

		reg_sdio1_vmmc: regulator_sdio1_vmmc {
			compatible = "regulator-fixed";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-name = "sdio1_vmmc";
			enable-active-high;
			regulator-boot-on;
			gpio = <&portb 21 GPIO_ACTIVE_HIGH>;
		};

		reg_sdio1_vqmmc: regulator_sido1_vqmmc {
			compatible = "regulator-gpio";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <3300000>;

Annotation

Implementation Notes