arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-speaker-one.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-speaker-one.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/pxa/pxa300-raumfeld-speaker-one.dts
Extension
.dts
Size
2978 bytes
Lines
141
Domain
Architecture Layer
Bucket
arch/arm
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

/dts-v1/;

#include "pxa300-raumfeld-common.dtsi"

/ {
	model = "Raumfeld Speaker One (PXA3xx)";
	compatible = "raumfeld,raumfeld-speaker-one-pxa303", "marvell,pxa300";

	wm8782: wm8782 {
		compatible = "wm8782";
		#sound-dai-cells = <0>;
		Vdd-supply = <&reg_3v3>;
		Vdda-supply = <&reg_va_5v0>;
	};

	xo_11mhz: oscillator-11mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <11289600>;
		clock-accuracy = <100>;
	};

	xo_audio: clock-gate {
		compatible = "gpio-gate-clock";
		pinctrlnames = "default";
		pinctrl-0 = <&xo_audio_pins>;
		clocks = <&xo_11mhz>;
		#clock-cells = <0>;
		enable-gpios = <&gpio 111 GPIO_ACTIVE_HIGH>;
	};

	reg_va_30v0: regulator-va-30v0 {
		compatible = "regulator-fixed";
		regulator-name = "va-30v0-fixed-supply";
		regulator-min-microvolt = <30000000>;
		regulator-max-microvolt = <30000000>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "Raumfeld Speaker";
		#address-cells = <1>;
		#size-cells = <0>;

		simple-audio-card,dai-link@0 {
			reg = <0>;
			format = "i2s";
			bitclock-master = <&dailink_master_analog_out>;
			frame-master = <&dailink_master_analog_out>;
			mclk-fs = <256>;

			dailink_master_analog_out: cpu {
				sound-dai = <&ssp_dai0>;
			};

			codec {
				sound-dai = <&sta320>;
			};
		};

		simple-audio-card,dai-link@1 {
			reg = <1>;
			format = "i2s";
			bitclock-master = <&dailink_master_analog_in>;
			frame-master = <&dailink_master_analog_in>;
			mclk-fs = <256>;

			dailink_master_analog_in: cpu {

Annotation

Implementation Notes