arch/arm/boot/dts/allwinner/sun8i-h3-orangepi-plus.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-h3-orangepi-plus.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-h3-orangepi-plus.dts
Extension
.dts
Size
3840 bytes
Lines
136
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 "sun8i-h3-orangepi-2.dts"

/ {
	model = "Xunlong Orange Pi Plus / Plus 2";
	compatible = "xunlong,orangepi-plus", "allwinner,sun8i-h3";

	aliases {
		ethernet0 = &emac;
	};

	reg_gmac_3v3: gmac-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "gmac-3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		startup-delay-us = <100000>;
		enable-active-high;
		gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>;
	};

	reg_usb3_vbus: usb3-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb3-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		enable-active-high;
		gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>;
	};
};

&cpu0 {
	cpu-supply = <&reg_vdd_cpux>;
};

&ehci3 {
	status = "okay";
};

&emac {
	pinctrl-names = "default";
	pinctrl-0 = <&emac_rgmii_pins>;
	phy-supply = <&reg_gmac_3v3>;
	phy-handle = <&ext_rgmii_phy>;
	phy-mode = "rgmii-id";

	status = "okay";
};

&external_mdio {
	ext_rgmii_phy: ethernet-phy@1 {
		compatible = "ethernet-phy-ieee802.3-c22";
		reg = <0>;
	};
};

&mmc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc2_8bit_pins>;
	vmmc-supply = <&reg_vcc3v3>;
	bus-width = <8>;
	non-removable;
	cap-mmc-hw-reset;
	status = "okay";
};

&mmc2_8bit_pins {
	/* Increase drive strength for DDR modes */
	drive-strength = <40>;
	/* eMMC is missing pull-ups */

Annotation

Implementation Notes