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lastdragon
2026-09-06 12:53:21 -06:00
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linux-7.2.3/Documentation/devicetree/bindings/sound/sirf-audio.txt
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* SiRF atlas6 and prima2 internal audio codec and port based audio setups
Required properties:
- compatible: "sirf,sirf-audio-card"
- sirf,audio-platform: phandle for the platform node
- sirf,audio-codec: phandle for the SiRF internal codec node
Optional properties:
- hp-pa-gpios: Need to be present if the board need control external
headphone amplifier.
- spk-pa-gpios: Need to be present if the board need control external
speaker amplifier.
- hp-switch-gpios: Need to be present if the board capable to detect jack
insertion, removal.
Available audio endpoints for the audio-routing table:
Board connectors:
* Headset Stereophone
* Ext Spk
* Line In
* Mic
SiRF internal audio codec pins:
* HPOUTL
* HPOUTR
* SPKOUT
* Ext Mic
* Mic Bias
Example:
sound {
compatible = "sirf,sirf-audio-card";
sirf,audio-codec = <&audiocodec>;
sirf,audio-platform = <&audioport>;
hp-pa-gpios = <&gpio 44 0>;
spk-pa-gpios = <&gpio 46 0>;
hp-switch-gpios = <&gpio 45 0>;
};