arch/arm/boot/dts/allwinner/sun8i-v40-bananapi-m2-berry.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-v40-bananapi-m2-berry.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-v40-bananapi-m2-berry.dts
Extension
.dts
Size
7169 bytes
Lines
311
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-r40.dtsi"
#include "sun8i-r40-cpu-opp.dtsi"

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

/ {
	model = "Banana Pi M2 Berry";
	compatible = "sinovoip,bpi-m2-berry", "allwinner,sun8i-r40";

	aliases {
		ethernet0 = &gmac;
		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";

		pwr-led {
			label = "bananapi:red:pwr";
			gpios = <&pio 7 20 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

		user-led {
			label = "bananapi:green:user";
			gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>;
		};
	};

	reg_vcc5v0: vcc5v0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&pio 7 23 GPIO_ACTIVE_HIGH>; /* PH23 */
		enable-active-high;
	};

	wifi_pwrseq: pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 WIFI_EN */
		clocks = <&ccu CLK_OUTA>;
		clock-names = "ext_clock";
	};
};

&ahci {
	ahci-supply = <&reg_dldo4>;
	phy-supply = <&reg_eldo3>;
	status = "okay";
};

&cpu0 {
	cpu-supply = <&reg_dcdc2>;

Annotation

Implementation Notes