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

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun6i-a31-colombus.dts
Extension
.dts
Size
3438 bytes
Lines
131
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 = "WITS A31 Colombus Evaluation Board";
	compatible = "wits,colombus", "allwinner,sun6i-a31";

	aliases {
		serial0 = &uart0;
	};

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

	i2c_lcd: i2c {
		/* The lcd panel i2c interface is hooked up via gpios */
		compatible = "i2c-gpio";
		sda-gpios = <&pio 0 23 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PA23 */
		scl-gpios = <&pio 0 24 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PA24 */
		i2c-gpio,delay-us = <5>;
	};
};

&ehci1 {
	status = "okay";
};

&gmac {
	pinctrl-names = "default";
	pinctrl-0 = <&gmac_rgmii_pins>;
	phy-handle = <&phy1>;
	phy-mode = "rgmii";
	status = "okay";
};

&i2c0 {
	status = "fail";
};

&i2c1 {
	status = "okay";
};

&i2c2 {
	status = "okay";

	mma8452: mma8452@1d {
		compatible = "fsl,mma8452";
		reg = <0x1d>;
		interrupt-parent = <&pio>;
		interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PA9 */
	};
};

&mdio {
	phy1: ethernet-phy@1 {
		reg = <1>;
	};
};

&mmc0 {
	vmmc-supply = <&reg_vcc3v0>;
	bus-width = <4>;
	cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
	status = "okay";
};

Annotation

Implementation Notes