arch/arm/boot/dts/allwinner/sun8i-r16-bananapi-m2m.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-r16-bananapi-m2m.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-r16-bananapi-m2m.dts
Extension
.dts
Size
7021 bytes
Lines
312
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-a33.dtsi"

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

/ {
	model = "BananaPi M2 Magic";
	compatible = "sinovoip,bananapi-m2m", "allwinner,sun8i-a33";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		serial0 = &uart0;
		serial1 = &uart1;
	};

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "bpi-m2m:blue:usr";
			gpios = <&pio 2 7 GPIO_ACTIVE_LOW>;
		};

		led-1 {
			label = "bpi-m2m:green:usr";
			gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>;
		};

		led-2 {
			label = "bpi-m2m:red:power";
			gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
	};

	reg_vcc5v0: vcc5v0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	wifi_pwrseq: pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL06 */
		clocks = <&rtc CLK_OSC32K_FANOUT>;
		clock-names = "ext_clock";
	};
};

&codec {
	status = "okay";
};

&cpu0 {
	cpu-supply = <&reg_dcdc3>;
};

&cpu0_opp_table {
	opp-1104000000 {
		opp-hz = /bits/ 64 <1104000000>;
		opp-microvolt = <1320000>;
		clock-latency-ns = <244144>; /* 8 32k periods */
	};

Annotation

Implementation Notes