arch/arm/boot/dts/allwinner/sun8i-a83t-allwinner-h8homlet-v2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-a83t-allwinner-h8homlet-v2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-a83t-allwinner-h8homlet-v2.dts
Extension
.dts
Size
6783 bytes
Lines
282
Domain
Architecture Layer
Bucket
arch/arm
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

/dts-v1/;
#include "sun8i-a83t.dtsi"

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

/ {
	model = "Allwinner A83T H8Homlet Proto Dev Board v2.0";
	compatible = "allwinner,h8homlet-v2", "allwinner,sun8i-a83t";

	aliases {
		serial0 = &uart0;
	};

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

	reg_usb0_vbus: reg-usb0-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb0-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		enable-active-high;
		gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
	};

	reg_usb1_vbus: reg-usb1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb1-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		enable-active-high;
		gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
	};
};

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

&cpu100 {
	cpu-supply = <&reg_dcdc3>;
};

&ehci0 {
	status = "okay";
};

&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	vmmc-supply = <&reg_dcdc1>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
	bus-width = <4>;
	status = "okay";
};

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
	vmmc-supply = <&reg_dcdc1>;
	vqmmc-supply = <&reg_dcdc1>;
	bus-width = <8>;
	non-removable;
	cap-mmc-hw-reset;
	status = "okay";
};

Annotation

Implementation Notes