arch/arm/boot/dts/allwinner/sun5i.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun5i.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun5i.dtsi
Extension
.dtsi
Size
19960 bytes
Lines
820
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

#include <dt-bindings/clock/sun5i-ccu.h>
#include <dt-bindings/dma/sun4i-a10.h>
#include <dt-bindings/reset/sun5i-ccu.h>

/ {
	interrupt-parent = <&intc>;
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a8";
			reg = <0x0>;
			clocks = <&ccu CLK_CPU>;
		};
	};

	chosen {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		framebuffer-lcd0 {
			compatible = "allwinner,simple-framebuffer",
				     "simple-framebuffer";
			allwinner,pipeline = "de_be0-lcd0";
			clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>,
				 <&ccu CLK_TCON_CH0>, <&ccu CLK_DRAM_DE_BE>;
			status = "disabled";
		};

		framebuffer-lcd0-tve0 {
			compatible = "allwinner,simple-framebuffer",
				     "simple-framebuffer";
			allwinner,pipeline = "de_be0-lcd0-tve0";
			clocks = <&ccu CLK_AHB_TVE>, <&ccu CLK_AHB_LCD>,
				 <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>,
				 <&ccu CLK_TCON_CH1>, <&ccu CLK_DRAM_DE_BE>;
			status = "disabled";
		};
	};

	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		osc24M: clk-24M {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <24000000>;
			clock-output-names = "osc24M";
		};

		osc32k: clk-32k {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <32768>;
			clock-output-names = "osc32k";
		};
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

Annotation

Implementation Notes