linux-kernel - Re: [PATCH v1 3/4] ASoC: dt-bindings: nxp, tfa989x: Add rcv-gpios property for tfa9897

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Date:   Thu, 28 Oct 2021 21:13:10 -0500
From:   Rob Herring <robh@...nel.org>
To:     Vincent Knecht <vincent.knecht@...loo.org>
Cc:     stephan@...hold.net, lgirdwood@...il.com, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v1 3/4] ASoC: dt-bindings: nxp, tfa989x: Add rcv-gpios
 property for tfa9897

On Sun, Oct 24, 2021 at 10:58:39AM +0200, Vincent Knecht wrote:
> Add optional rcv-gpios property specific to tfa9897 receiver mode.
> 
> Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
> ---
>  .../devicetree/bindings/sound/nxp,tfa989x.yaml         | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
> index 7667471be1e4..a9e15baedafd 100644
> --- a/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
> +++ b/Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
> @@ -12,6 +12,16 @@ maintainers:
>  allOf:
>    - $ref: name-prefix.yaml#
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: nxp,tfa9897
> +    then:
> +      properties:
> +        rcv-gpios:
> +          description: optional GPIO to be asserted when receiver mode is enabled.

Did you test this works? 

You have to define the property outside the if/then schema at the top 
level. Then use an if/then schema to restrict it (rcv-gpios: false).

> +
>  properties:
>    compatible:
>      enum:
> -- 
> 2.31.1
> 
> 
> 
>