arch/arm/boot/dts/allwinner/axp209.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/axp209.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/axp209.dtsi
Extension
.dtsi
Size
3549 bytes
Lines
127
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

/ {
	pmic-temp {
		compatible = "iio-hwmon";
		io-channels = <&axp_adc 4>; /* Internal temperature */
	};
};

&axp209 {
	compatible = "x-powers,axp209";
	interrupt-controller;
	#interrupt-cells = <1>;

	ac_power_supply: ac-power {
		compatible = "x-powers,axp202-ac-power-supply";
		status = "disabled";
	};

	axp_adc: adc {
		compatible = "x-powers,axp209-adc";
		#io-channel-cells = <1>;
	};

	axp_gpio: gpio {
		compatible = "x-powers,axp209-gpio";
		gpio-controller;
		#gpio-cells = <2>;
	};

	battery_power_supply: battery-power {
		compatible = "x-powers,axp209-battery-power-supply";
		status = "disabled";
	};

	regulators {
		/* Default work frequency for buck regulators */
		x-powers,dcdc-freq = <1500>;

		reg_dcdc2: dcdc2 {
			regulator-name = "dcdc2";
		};

		reg_dcdc3: dcdc3 {
			regulator-name = "dcdc3";
		};

		reg_ldo1: ldo1 {
			/* LDO1 is a fixed output regulator */
			regulator-always-on;
			regulator-min-microvolt = <1300000>;
			regulator-max-microvolt = <1300000>;
			regulator-name = "ldo1";
		};

		reg_ldo2: ldo2 {
			regulator-name = "ldo2";
		};

		reg_ldo3: ldo3 {
			regulator-name = "ldo3";
		};

		reg_ldo4: ldo4 {
			regulator-name = "ldo4";
		};

		reg_ldo5: ldo5 {
			regulator-name = "ldo5";
			status = "disabled";
		};
	};

Annotation

Implementation Notes