arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
Extension
.dts
Size
2212 bytes
Lines
122
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) 2017 Icenowy Zheng <icenowy@aosc.io>

/dts-v1/;
#include "sun50i-h5.dtsi"

#include <dt-bindings/gpio/gpio.h>

/ {
	model = "FriendlyARM NanoPi NEO 2";
	compatible = "friendlyarm,nanopi-neo2", "allwinner,sun50i-h5";

	aliases {
		ethernet0 = &emac;
		serial0 = &uart0;
	};

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "nanopi:green:pwr";
			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

		led-1 {
			label = "nanopi:blue:status";
			gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>;
		};
	};

	reg_gmac_3v3: gmac-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "gmac-3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		startup-delay-us = <100000>;
		enable-active-high;
		gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
	};

	reg_vcc3v3: vcc3v3 {
		compatible = "regulator-fixed";
		regulator-name = "vcc3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	reg_usb0_vbus: usb0-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb0-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		enable-active-high;
		gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
		status = "okay";
	};
};

&ehci0 {
	status = "okay";
};

&ehci3 {
	status = "okay";

Annotation

Implementation Notes