Hi Nikita
> Example usage:
>
> codec: tlv320dac3100@18 {
> compatible = "ti,tlv320dac3100";
> ...
> }
>
> amp: tpa6130a2@60 {
> compatible = "ti,tpa6130a2";
> ...
> }
>
> sound {
> compatible = "simple-audio-card";
> ...
> simple-audio-card,widgets =
> "Headphone", "Headphone Jack";
> simple-audio-card,routing =
> "Headphone Jack", "HPLEFT",
> "Headphone Jack", "HPRIGHT",
> "LEFTIN", "HPL",
> "RIGHTIN", "HPR";
> simple-audio-card,aux-devs = <&>;
> simple-audio-card,cpu {
> sound-dai = <&ssi2>;
> };
> simple-audio-card,codec {
> sound-dai = <&codec1>;
> clocks = ...
> };
This case, I think you want ...
simple-audio-card,codec {
- sound-dai = <&codec1>;
+ sound-dai = <&codec>;
> diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
> index 59d8628..5579f40 100644
> --- a/Documentation/devicetree/bindings/sound/simple-card.txt
> +++ b/Documentation/devicetree/bindings/sound/simple-card.txt
> @@ -22,6 +22,8 @@ Optional properties:
> headphones are attached.
> - simple-audio-card,mic-det-gpio : Reference to GPIO that signals when
> a microphone is attached.
> +- simple-audio-card,aux-devs : List of phandles pointing to auxiliary devices, such
> + as amplifiers, to be added to the sound card.
>
> Optional subnodes:
I think it is very helpful if this document has above sample
Best regards
---
Kuninori Morimoto
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