On Tue, Nov 28, 2023 at 10:11:19AM +0200, Daniel Baluta wrote: > From: Daniel Baluta <daniel.baluta@xxxxxxx> > > Document new playback-only and capture-only flags which can be used > when dai link can only support just one direction: playback or capture > but not both. > > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx> > --- > .../devicetree/bindings/sound/audio-graph-port.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml > index 60b5e3fd1115..b13c08de505e 100644 > --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml > +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml > @@ -19,6 +19,12 @@ definitions: > properties: > mclk-fs: > $ref: simple-card.yaml#/definitions/mclk-fs > + playback-only: > + description: port connection used only for playback > + $ref: /schemas/types.yaml#/definitions/flag > + capture-only: > + description: port connection used only for capture > + $ref: /schemas/types.yaml#/definitions/flag It seems like we have a random mix of port and endpoint properties here and I can't tell what's the logic for deciding the right place. Everything in port is also in endpoint, so maybe using port is deprecated. In most cases for graph bindings, we put properties in endpoint nodes. Rob