arch/arm/boot/dts/allwinner/sun6i-a31-hummingbird.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun6i-a31-hummingbird.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun6i-a31-hummingbird.dts
Extension
.dts
Size
6926 bytes
Lines
339
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-a31.dtsi"
#include "sunxi-common-regulators.dtsi"

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

/ {
	model = "Merrii A31 Hummingbird";
	compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";

	aliases {
		rtc0 = &pcf8563;
		rtc1 = &rtc;
		serial0 = &uart0;
	};

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

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

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

	vga-connector {
		compatible = "vga-connector";

		port {
			vga_con_in: endpoint {
				remote-endpoint = <&vga_dac_out>;
			};
		};
	};

	vga-dac {
		compatible = "dumb-vga-dac";
		vdd-supply = <&reg_vga_3v3>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;

				vga_dac_in: endpoint {
					remote-endpoint = <&tcon0_out_vga>;
				};
			};

			port@1 {
				reg = <1>;

				vga_dac_out: endpoint {
					remote-endpoint = <&vga_con_in>;
				};
			};
		};
	};

	reg_vga_3v3: vga-3v3-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vga-3v3";

Annotation

Implementation Notes