arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-a83t-bananapi-m3.dts
Extension
.dts
Size
9735 bytes
Lines
423
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 "sun8i-a83t.dtsi"

#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Banana Pi BPI-M3";
	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";

	aliases {
		ethernet0 = &emac;
		serial0 = &uart0;
	};

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

	connector {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&hdmi_out_con>;
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "bananapi-m3:blue:usr";
			gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
		};

		led-1 {
			label = "bananapi-m3:green:usr";
			gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>;
		};
	};

	reg_usb1_vbus: reg-usb1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb1-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-boot-on;
		enable-active-high;
		gpio = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
	};

	wifi_pwrseq: pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&ac100_rtc 1>;
		clock-names = "ext_clock";
		/* The WiFi low power clock must be 32768 Hz */
		assigned-clocks = <&ac100_rtc 1>;
		assigned-clock-rates = <32768>;
		/* enables internal regulator and de-asserts reset */
		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
	};

	/*
	 * Power supply for the SATA disk, behind a USB-SATA bridge.
	 * Since it is a USB device, there is no consumer in the DT, so we
	 * have to keep this always on.
	 */
	regulator-sata-disk-pwr {

Annotation

Implementation Notes