arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
Extension
.dtsi
Size
8592 bytes
Lines
444
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
/*
 * Copyright (c) 2019 BayLibre SAS.
 * Author: Jerome Brunet <jbrunet@baylibre.com>
 */

/* Libretech Amlogic GX PC form factor - AKA: Tartiflette */

#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/sound/meson-aiu.h>

/ {
	adc-keys {
		compatible = "adc-keys";
		io-channels = <&saradc 0>;
		io-channel-names = "buttons";
		keyup-threshold-microvolt = <1800000>;

		button-update {
			label = "update";
			linux,code = <KEY_VENDOR>;
			press-threshold-microvolt = <1300000>;
		};
	};

	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
		spi0 = &spifc;
	};

	dio2133: analog-amplifier {
		compatible = "simple-audio-amplifier";
		sound-name-prefix = "AU2";
		VCC-supply = <&vcc5v>;
		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
	};

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

	cvbs-connector {
		compatible = "composite-video-connector";
		status = "disabled";

		port {
			cvbs_connector_in: endpoint {
				remote-endpoint = <&cvbs_vdac_out>;
			};
		};
	};

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

	hdmi-connector {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&hdmi_tx_tmds_out>;
			};
		};
	};

Annotation

Implementation Notes