arch/arm/boot/dts/allwinner/sun7i-a20-icnova-a20.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun7i-a20-icnova-a20.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun7i-a20-icnova-a20.dtsi
Extension
.dtsi
Size
1074 bytes
Lines
63
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

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
// Copyright (C) 2023 In-Circuit GmbH

#include "sun7i-a20.dtsi"
#include "sunxi-common-regulators.dtsi"

#include <dt-bindings/interrupt-controller/irq.h>

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

&gmac {
	pinctrl-names = "default";
	pinctrl-0 = <&gmac_mii_pins>;
	phy-handle = <&phy1>;
	phy-mode = "mii";
	status = "okay";
};

&i2c0 {
	status = "okay";

	axp209: pmic@34 {
		reg = <0x34>;
		interrupt-parent = <&nmi_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
	};
};

&gmac_mdio {
	phy1: ethernet-phy@1 {
		reg = <1>;
	};
};

#include "axp209.dtsi"

&reg_dcdc2 {
	regulator-always-on;
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "vdd-cpu";
};

&reg_dcdc3 {
	regulator-always-on;
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "vdd-int-dll";
};

&reg_ldo1 {
	regulator-name = "vdd-rtc";
};

&reg_ldo2 {
	regulator-always-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	regulator-name = "avcc";
};

Annotation

Implementation Notes