arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
Extension
.dts
Size
12525 bytes
Lines
639
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) 2018 Amlogic, Inc. All rights reserved.
 */

/dts-v1/;

#include "meson-g12a.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/gpio/meson-g12a-gpio.h>
#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
#include <dt-bindings/sound/meson-g12a-toacodec.h>

/ {
	compatible = "amlogic,u200", "amlogic,g12a";
	model = "Amlogic Meson G12A U200 Development Board";

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

	dioo2133: audio-amplifier-0 {
		compatible = "simple-audio-amplifier";
		enable-gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
		VCC-supply = <&vcc_5v>;
		sound-name-prefix = "10U2";
	};

	spdif_dir: audio-codec-0 {
		compatible = "linux,spdif-dir";
		#sound-dai-cells = <0>;
		sound-name-prefix = "DIR";
	};

	spdif_dit: audio-codec-1 {
		compatible = "linux,spdif-dit";
		#sound-dai-cells = <0>;
		sound-name-prefix = "DIT";
	};

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

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

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

	emmc_pwrseq: emmc-pwrseq {
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
	};

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

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

Annotation

Implementation Notes