arch/arm/boot/dts/allwinner/sun6i-a31s-primo81.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun6i-a31s-primo81.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun6i-a31s-primo81.dts
Extension
.dts
Size
5976 bytes
Lines
268
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 "sunxi-common-regulators.dtsi"

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

/ {
	model = "MSI Primo81 tablet";
	compatible = "msi,primo81", "allwinner,sun6i-a31s";

	hdmi-connector {
		compatible = "hdmi-connector";
		type = "c";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&hdmi_out_con>;
			};
		};
	};
};

&cpu0 {
	cpu-supply = <&reg_dcdc3>;
};

&de {
	status = "okay";
};

&ehci0 {
	/* rtl8188etv wifi is connected here */
	status = "okay";
};

&hdmi {
	status = "okay";
};

&hdmi_out {
	hdmi_out_con: endpoint {
		remote-endpoint = <&hdmi_con_in>;
	};
};

&i2c0 {
	/* pull-ups and device VDDIO use AXP221 DLDO3 */
	status = "fail";
};

&i2c1 {
	status = "okay";

	ctp@5d {
		compatible = "goodix,gt911";
		reg = <0x5d>;
		interrupt-parent = <&pio>;
		interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
		touchscreen-swapped-x-y;
	};
};

&i2c2 {
	status = "okay";

	accelerometer@1c {
		pinctrl-names = "default";
		pinctrl-0 = <&mma8452_int_primo81>;
		compatible = "fsl,mma8452";

Annotation

Implementation Notes