arch/arm64/boot/dts/allwinner/axp803.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/axp803.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/axp803.dtsi
Extension
.dtsi
Size
2637 bytes
Lines
146
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 2017 Icenowy Zheng <icenowy@aosc.xyz>

/*
 * AXP803 Integrated Power Management Chip
 * http://files.pine64.org/doc/datasheet/pine64/AXP803_Datasheet_V1.0.pdf
 */

&axp803 {
	interrupt-controller;
	#interrupt-cells = <1>;

	ac_power_supply: ac-power {
		compatible = "x-powers,axp803-ac-power-supply",
			     "x-powers,axp813-ac-power-supply";
		status = "disabled";
	};

	axp_adc: adc {
		compatible = "x-powers,axp803-adc", "x-powers,axp813-adc";
		#io-channel-cells = <1>;
	};

	axp_gpio: gpio {
		compatible = "x-powers,axp803-gpio", "x-powers,axp813-gpio";
		gpio-controller;
		#gpio-cells = <2>;
	};

	battery_power_supply: battery-power {
		compatible = "x-powers,axp803-battery-power-supply",
			     "x-powers,axp813-battery-power-supply";
		status = "disabled";
	};

	regulators {
		/* Default work frequency for buck regulators */
		x-powers,dcdc-freq = <3000>;

		reg_aldo1: aldo1 {
			regulator-name = "aldo1";
		};

		reg_aldo2: aldo2 {
			regulator-name = "aldo2";
		};

		reg_aldo3: aldo3 {
			regulator-name = "aldo3";
		};

		reg_dc1sw: dc1sw {
			regulator-name = "dc1sw";
		};

		reg_dcdc1: dcdc1 {
			regulator-name = "dcdc1";
		};

		reg_dcdc2: dcdc2 {
			regulator-name = "dcdc2";
		};

		reg_dcdc3: dcdc3 {
			regulator-name = "dcdc3";
		};

		reg_dcdc4: dcdc4 {
			regulator-name = "dcdc4";
		};

Annotation

Implementation Notes