arch/arm/boot/dts/allwinner/sun6i-a31s-inet-q972.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun6i-a31s-inet-q972.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun6i-a31s-inet-q972.dts
Extension
.dts
Size
2908 bytes
Lines
99
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 "sun6i-a31s.dtsi"
#include "sun6i-reference-design-tablet.dtsi"

/ {
	model = "iNet Q972 tablet";
	compatible = "inet-tek,inet-q972", "allwinner,sun6i-a31s";
};

&ehci1 {
	status = "okay";
};

&i2c1 {
	status = "okay";

	ft5406ee8: touchscreen@38 {
		compatible = "edt,edt-ft5406";
		reg = <0x38>;
		interrupt-parent = <&pio>;
		interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
		touchscreen-size-x = <768>;
		touchscreen-size-y = <1024>;
		touchscreen-swapped-x-y;
	};
};

&lradc {
	vref-supply = <&reg_aldo3>;
	status = "okay";

	button-200 {
		label = "Volume Down";
		linux,code = <KEY_VOLUMEDOWN>;
		channel = <0>;
		voltage = <200000>;
	};

	button-900 {
		label = "Volume Up";
		linux,code = <KEY_VOLUMEUP>;
		channel = <0>;
		voltage = <900000>;
	};

	button-1200 {
		label = "Back";
		linux,code = <KEY_BACK>;
		channel = <0>;
		voltage = <1200000>;
	};
};

&ohci1 {
	status = "okay";
};

Annotation

Implementation Notes