arch/arm64/boot/dts/allwinner/sun50i-a133-liontron-h-a133l.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun50i-a133-liontron-h-a133l.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun50i-a133-liontron-h-a133l.dts
Extension
.dts
Size
4167 bytes
Lines
231
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) 2025 Arm Ltd.
 */

/dts-v1/;

#include "sun50i-a100.dtsi"
#include "sun50i-a100-cpu-opp.dtsi"

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

/{
	model = "Liontron H-A133L";
	compatible = "liontron,h-a133l", "allwinner,sun50i-a100";

	aliases {
		serial0 = &uart0;
	};

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

	leds {
		compatible = "gpio-leds";

		led {
			function = LED_FUNCTION_POWER;
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>; /* PH16 */
		};
	};

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

	reg_usb1_vbus: regulator-usb1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb1-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_vcc5v>;
		enable-active-high;
		gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
	};
};

&cpu0 {
	cpu-supply = <&reg_dcdc2>;
};

&ehci0 {
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&emac0 {
	pinctrl-names = "default";
	pinctrl-0 = <&rmii0_pins>;

Annotation

Implementation Notes