arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi
Extension
.dtsi
Size
7239 bytes
Lines
335
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) 2022 Vyacheslav Bocharov <adeep@lexina.in>
 * Copyright (c) 2022 JetHome
 * Author: Vyacheslav Bocharov <adeep@lexina.in>
 * Author: Aleksandr Kazantsev <ak@tvip.ru>
 * Author: Alexey Shevelkin <ash@tvip.ru>
 */

/dts-v1/;

#include "meson-axg.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	aliases {
		serial0 = &uart_AO;   /* Console */
		serial2 = &uart_AO_B; /* External UART (Wireless Module) */
		ethernet0 = &ethmac;
	};

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

	reserved-memory {
		linux,cma {
			size = <0x0 0x400000>;
		};
	};

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
	};

	vcc_3v3: regulator-vcc-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vddao_3v3>;
		regulator-always-on;
	};

	vcc_5v: regulator-vcc-5v {
		compatible = "regulator-fixed";
		regulator-name = "VCC5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	vddao_3v3: regulator-vddao-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VDDAO_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc_5v>;
		regulator-always-on;
	};

	vddio_ao18: regulator-vddio-ao18 {
		compatible = "regulator-fixed";
		regulator-name = "VDDIO_AO18";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vddao_3v3>;
		regulator-always-on;

Annotation

Implementation Notes