arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sc7280-herobrine-audio-rt5682.dtsi
Extension
.dtsi
Size
2351 bytes
Lines
142
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)
/*
 *
 * This file defines the common audio settings for the child boards
 * using rt5682 codec.
 *
 * Copyright 2022 Google LLC.
 */

/ {
	/* BOARD-SPECIFIC TOP LEVEL NODES */
	sound: sound {
		compatible = "google,sc7280-herobrine";
		model = "sc7280-rt5682-max98360a-1mic";

		audio-routing = "Headphone Jack", "HPOL",
				"Headphone Jack", "HPOR";

		#address-cells = <1>;
		#size-cells = <0>;

		dai-link@0 {
			link-name = "MAX98360";
			reg = <0>;

			cpu {
				sound-dai = <&lpass_cpu MI2S_SECONDARY>;
			};

			codec {
				sound-dai = <&max98360a>;
			};
		};

		dai-link@1 {
			link-name = "DisplayPort";
			reg = <1>;

			cpu {
				sound-dai = <&lpass_cpu LPASS_DP_RX>;
			};

			codec {
				sound-dai = <&mdss_dp>;
			};
		};

		dai-link@2 {
			link-name = "ALC5682";
			reg = <2>;

			cpu {
				sound-dai = <&lpass_cpu MI2S_PRIMARY>;
			};

			codec {
				sound-dai = <&alc5682 0 /* aif1 */>;
			};
		};
	};
};

hp_i2c: &i2c2 {
	clock-frequency = <400000>;
	status = "okay";

	alc5682: codec@1a {
		compatible = "realtek,rt5682s";
		reg = <0x1a>;
		pinctrl-names = "default";

Annotation

Implementation Notes