arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
Extension
.dtsi
Size
15047 bytes
Lines
764
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)
/*
 * RK3399-based FriendlyElec boards device tree source
 *
 * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
 *
 * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
 * (http://www.friendlyarm.com)
 *
 * Copyright (c) 2018 Collabora Ltd.
 * Copyright (c) 2019 Arm Ltd.
 */

/dts-v1/;
#include <dt-bindings/input/linux-event-codes.h>
#include "rk3399.dtsi"

/ {
	aliases {
		ethernet0 = &gmac;
		mmc0 = &sdio0;
		mmc1 = &sdmmc;
		mmc2 = &sdhci;
	};

	chosen {
		stdout-path = "serial2:1500000n8";
	};

	clkin_gmac: external-gmac-clock {
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
		clock-output-names = "clkin_gmac";
		#clock-cells = <0>;
	};

	vcc3v3_sys: regulator-vcc3v3-sys {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "vcc3v3_sys";
	};

	vcc5v0_sys: regulator-vcc5v0-sys {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "vcc5v0_sys";
		vin-supply = <&vdd_5v>;
	};

	/* switched by pmic_sleep */
	vcc1v8_s3: regulator-vcc1v8-s3 {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-name = "vcc1v8_s3";
		vin-supply = <&vcc_1v8>;
	};

	vcc3v0_sd: regulator-vcc3v0-sd {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes