arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
Extension
.dts
Size
9501 bytes
Lines
445
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-only OR MIT)
// Copyright (C) 2024 Arm Ltd.

/dts-v1/;

#include "sun55i-a523.dtsi"

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

/ {
	model = "Avaota A1";
	compatible = "yuzukihd,avaota-a1", "allwinner,sun55i-t527";

	aliases {
		ethernet0 = &gmac0;
		ethernet1 = &gmac1;
		serial0 = &uart0;
	};

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

	ext_osc32k: ext-osc32k-clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <32768>;
		clock-output-names = "ext_osc32k";
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&axp717_adc 3>, /* vsys_v */
			      <&axp717_adc 4>; /* pmic_temp */
	};

	reg_vcc12v: vcc12v {
		/* DC input jack */
		compatible = "regulator-fixed";
		regulator-name = "vcc-12v";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
	};

	reg_vcc5v: vcc5v {
		/* board wide 5V supply from the 12V->5V regulator */
		compatible = "regulator-fixed";
		regulator-name = "vcc-5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_vcc12v>;
		regulator-always-on;
	};

	reg_usb_vbus: vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_vcc5v>;
		gpio = <&pio 8 12 GPIO_ACTIVE_HIGH>;	/* PI12 */
		enable-active-high;
	};
};

&ehci0 {
	status = "okay";
};

Annotation

Implementation Notes