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

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun5i-gr8-evb.dts
Extension
.dts
Size
7020 bytes
Lines
334
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 "sun5i-gr8.dtsi"
#include "sunxi-common-regulators.dtsi"

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

/ {
	model = "NextThing GR8-EVB";
	compatible = "nextthing,gr8-evb", "nextthing,gr8";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		serial0 = &uart1;
		serial1 = &uart2;
	};

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

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 10000 0>;
		enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
		power-supply = <&reg_vcc3v3>;
		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
		default-brightness-level = <8>;
	};

	sound-analog {
		compatible = "simple-audio-card";
		simple-audio-card,name = "gr8-evb-wm8978";
		simple-audio-card,format = "i2s";
		simple-audio-card,mclk-fs = <512>;

		simple-audio-card,cpu {
			sound-dai = <&i2s0>;
		};

		simple-audio-card,codec {
			sound-dai = <&wm8978>;
		};
	};

	sound-spdif {
		compatible = "simple-audio-card";
		simple-audio-card,name = "On-board SPDIF";

		simple-audio-card,cpu {
			sound-dai = <&spdif>;
		};

		simple-audio-card,codec {
			sound-dai = <&spdif_out>;
		};
	};

	spdif_out: spdif-out {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
	};
};

&be0 {
	status = "okay";
};

Annotation

Implementation Notes