arch/arm/boot/dts/allwinner/sun5i-gr8-chip-pro.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun5i-gr8-chip-pro.dts
Extension
.dts
Size
5503 bytes
Lines
239
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 C.H.I.P. Pro";
	compatible = "nextthing,chip-pro", "nextthing,gr8";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
	};

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "chip-pro:white:status";
			gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	mmc0_pwrseq: pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
	};
};

&codec {
	status = "okay";
};

&ehci0 {
	status = "okay";
};

&i2c0 {
	status = "okay";

	axp209: pmic@34 {
		reg = <0x34>;

		/*
		* The interrupt is routed through the "External Fast
		* Interrupt Request" pin (ball G13 of the module)
		* directly to the main interrupt controller, without
		* any other controller interfering.
		*/
		interrupts = <0>;
	};
};

#include "axp209.dtsi"

&i2c1 {
	status = "disabled";
};

Annotation

Implementation Notes