arch/arm/boot/dts/allwinner/sun7i-a20-cubieboard2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun7i-a20-cubieboard2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun7i-a20-cubieboard2.dts
Extension
.dts
Size
4750 bytes
Lines
238
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 "sun7i-a20.dtsi"
#include "sunxi-common-regulators.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Cubietech Cubieboard2";
	compatible = "cubietech,cubieboard2", "allwinner,sun7i-a20";

	aliases {
		serial0 = &uart0;
	};

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

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

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "cubieboard2:blue:usr";
			gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>;
		};

		led-1 {
			label = "cubieboard2:green:usr";
			gpios = <&pio 7 20 GPIO_ACTIVE_HIGH>;
		};
	};
};

&ahci {
	target-supply = <&reg_ahci_5v>;
	status = "okay";
};

&codec {
	status = "okay";
};

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

&de {
	status = "okay";
};

&ehci0 {
	status = "okay";
};

&ehci1 {
	status = "okay";
};

Annotation

Implementation Notes