arch/arm/boot/dts/allwinner/sun5i-gr8.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun5i-gr8.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun5i-gr8.dtsi
Extension
.dtsi
Size
3717 bytes
Lines
127
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 "sun5i.dtsi"

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

/ {
	display-engine {
		compatible = "allwinner,sun5i-a13-display-engine";
		allwinner,pipelines = <&fe0>;
	};

	soc {
		pwm: pwm@1c20e00 {
			compatible = "allwinner,sun5i-a10s-pwm";
			reg = <0x01c20e00 0xc>;
			clocks = <&ccu CLK_HOSC>;
			#pwm-cells = <3>;
			status = "disabled";
		};

		spdif: spdif@1c21000 {
			#sound-dai-cells = <0>;
			compatible = "allwinner,sun4i-a10-spdif";
			reg = <0x01c21000 0x400>;
			interrupts = <13>;
			clocks = <&ccu CLK_APB0_SPDIF>, <&ccu CLK_SPDIF>;
			clock-names = "apb", "spdif";
			dmas = <&dma SUN4I_DMA_NORMAL 2>,
			       <&dma SUN4I_DMA_NORMAL 2>;
			dma-names = "rx", "tx";
			status = "disabled";
		};

		i2s0: i2s@1c22400 {
			#sound-dai-cells = <0>;
			compatible = "allwinner,sun4i-a10-i2s";
			reg = <0x01c22400 0x400>;
			interrupts = <16>;
			clocks = <&ccu CLK_APB0_I2S>, <&ccu CLK_I2S>;
			clock-names = "apb", "mod";
			dmas = <&dma SUN4I_DMA_NORMAL 3>,
			       <&dma SUN4I_DMA_NORMAL 3>;
			dma-names = "rx", "tx";
			status = "disabled";
		};
	};
};

&ccu {
	compatible = "nextthing,gr8-ccu";
};

&pio {
	compatible = "nextthing,gr8-pinctrl";

	i2s0_data_pins: i2s0-data-pins {
		pins = "PB6", "PB7", "PB8", "PB9";
		function = "i2s0";
	};

	i2s0_mclk_pin: i2s0-mclk-pin {
		pins = "PB5";
		function = "i2s0";
	};

	pwm1_pins: pwm1-pin {
		pins = "PG13";
		function = "pwm1";
	};

Annotation

Implementation Notes