arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
Extension
.dtsi
Size
2633 bytes
Lines
138
Domain
Architecture Layer
Bucket
arch/arm64
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) 2017 Icenowy Zheng <icenowy@aosc.xyz>
// Based on sun50i-a64-pine64.dts, which is:
//   Copyright (c) 2016 ARM Ltd.

#include "sun50i-a64.dtsi"
#include "sun50i-a64-cpu-opp.dtsi"

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

&codec_analog {
	cpvdd-supply = <&reg_eldo1>;
};

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

&cpu1 {
	cpu-supply = <&reg_dcdc2>;
};

&cpu2 {
	cpu-supply = <&reg_dcdc2>;
};

&cpu3 {
	cpu-supply = <&reg_dcdc2>;
};

&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins>;
	vmmc-supply = <&reg_dcdc1>;
	disable-wp;
	bus-width = <4>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 push-pull switch */
	status = "okay";
};

&r_rsb {
	status = "okay";

	axp803: pmic@3a3 {
		compatible = "x-powers,axp803";
		reg = <0x3a3>;
		interrupt-parent = <&r_intc>;
		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
	};
};

&spi0  {
	status = "okay";

	flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <40000000>;
	};
};

#include "axp803.dtsi"

&reg_aldo2 {
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-pl";

Annotation

Implementation Notes