arch/arm/boot/dts/allwinner/sunxi-bananapi-m2-plus.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sunxi-bananapi-m2-plus.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sunxi-bananapi-m2-plus.dtsi
Extension
.dtsi
Size
5487 bytes
Lines
245
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 "sunxi-common-regulators.dtsi"

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

/ {
	aliases {
		ethernet0 = &emac;
		serial0 = &uart0;
		serial1 = &uart1;
	};

	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";

		pwr_led {
			label = "bananapi-m2-plus:red:pwr";
			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
			default-state = "on";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		switch-4 {
			label = "power";
			linux,code = <KEY_POWER>;
			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	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>;
	};

	wifi_pwrseq: pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
		clocks = <&rtc CLK_OSC32K_FANOUT>;
		clock-names = "ext_clock";
	};
};

&de {
	status = "okay";
};

Annotation

Implementation Notes