Refer to audio graph card, add playback-only and capture-only property
for imx-audio-card.yaml for the case that only playback or capture
is supported.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
 .../devicetree/bindings/sound/imx-audio-card.yaml         | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
index f7ad5ea2491e..86571fa930f6 100644
--- a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
+++ b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
@@ -46,6 +46,14 @@ patternProperties:
         description: see tdm-slot.txt.
         $ref: /schemas/types.yaml#/definitions/uint32
 
+      playback-only:
+        description: link is used only for playback
+        $ref: /schemas/types.yaml#/definitions/flag
+
+      capture-only:
+        description: link is used only for capture
+        $ref: /schemas/types.yaml#/definitions/flag
+
       cpu:
         description: Holds subnode which indicates cpu dai.
         type: object
-- 
2.34.1

On Tue, Feb 11, 2025 at 11:57:36AM +0800, Shengjiu Wang wrote:
> Refer to audio graph card, add playback-only and capture-only property
> for imx-audio-card.yaml for the case that only playback or capture
> is supported.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> ---
>  .../devicetree/bindings/sound/imx-audio-card.yaml         | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> index f7ad5ea2491e..86571fa930f6 100644
> --- a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> +++ b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> @@ -46,6 +46,14 @@ patternProperties:
>          description: see tdm-slot.txt.
>          $ref: /schemas/types.yaml#/definitions/uint32
>
> +      playback-only:
> +        description: link is used only for playback
> +        $ref: /schemas/types.yaml#/definitions/flag
> +
> +      capture-only:
> +        description: link is used only for capture
> +        $ref: /schemas/types.yaml#/definitions/flag
> +

why not ref to audio-graph-port.yaml?

Frank

>        cpu:
>          description: Holds subnode which indicates cpu dai.
>          type: object
> --
> 2.34.1
>

On Tue, Feb 11, 2025 at 11:32 PM Frank Li <Frank.li@nxp.com> wrote:
>
> On Tue, Feb 11, 2025 at 11:57:36AM +0800, Shengjiu Wang wrote:
> > Refer to audio graph card, add playback-only and capture-only property
> > for imx-audio-card.yaml for the case that only playback or capture
> > is supported.
> >
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> > ---
> >  .../devicetree/bindings/sound/imx-audio-card.yaml         | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > index f7ad5ea2491e..86571fa930f6 100644
> > --- a/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > +++ b/Documentation/devicetree/bindings/sound/imx-audio-card.yaml
> > @@ -46,6 +46,14 @@ patternProperties:
> >          description: see tdm-slot.txt.
> >          $ref: /schemas/types.yaml#/definitions/uint32
> >
> > +      playback-only:
> > +        description: link is used only for playback
> > +        $ref: /schemas/types.yaml#/definitions/flag
> > +
> > +      capture-only:
> > +        description: link is used only for capture
> > +        $ref: /schemas/types.yaml#/definitions/flag
> > +
>
> why not ref to audio-graph-port.yaml?
>
audio-graph-port are based on 'port'. which is not used
in imx-card.  imx-card can't directly refer to audio-graph-port.yaml.

Best regards
Shengjiu Wang

> Frank
>
> >        cpu:
> >          description: Holds subnode which indicates cpu dai.
> >          type: object
> > --
> > 2.34.1
> >