arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts
Extension
.dts
Size
5998 bytes
Lines
293
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>

/ {
	model = "X96Q Pro+";
	compatible = "amediatech,x96q-pro-plus", "allwinner,sun55i-h728";

	aliases {
		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";
	};

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

	reg_vcc3v3: vcc3v3 {
		/* 3.3V dummy supply for the SD card */
		compatible = "regulator-fixed";
		regulator-name = "vcc-3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&reg_vcc5v>;
		regulator-always-on;
	};
};

&ehci0 {
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&gpu {
	mali-supply = <&reg_dcdc2>;
	status = "okay";
};

&mmc0 {
	vmmc-supply = <&reg_vcc3v3>;
	cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */
	bus-width = <4>;
	disable-wp;
	status = "okay";
};

&mmc2 {

Annotation

Implementation Notes