arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
Extension
.dts
Size
2567 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) 2016 Endless Computers, Inc.
 * Author: Carlo Caione <carlo@endlessm.com>
 */

/dts-v1/;

#include "meson-gxl-s905x-p212.dtsi"
#include <dt-bindings/sound/meson-aiu.h>

/ {
	compatible = "amlogic,p212", "amlogic,s905x", "amlogic,meson-gxl";
	model = "Amlogic Meson GXL (S905X) P212 Development Board";

	dio2133: analog-amplifier {
		compatible = "simple-audio-amplifier";
		sound-name-prefix = "AU2";
		VCC-supply = <&hdmi_5v>;
		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
	};

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

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

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

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

	sound {
		compatible = "amlogic,gx-sound-card";
		model = "S905X-P212";
		audio-aux-devs = <&dio2133>;
		audio-widgets = "Line", "Lineout";
		audio-routing = "AU2 INL", "ACODEC LOLN",
				"AU2 INR", "ACODEC LORN",
				"Lineout", "AU2 OUTL",
				"Lineout", "AU2 OUTR";
		clocks = <&clkc CLKID_MPLL0>,
			 <&clkc CLKID_MPLL1>,
			 <&clkc CLKID_MPLL2>;

		assigned-clocks = <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>,
				  <&clkc CLKID_MPLL2>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;
		dai-link-0 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
		};

		dai-link-1 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
			dai-format = "i2s";
			mclk-fs = <256>;

Annotation

Implementation Notes