On Thu, Feb 27, 2025 at 10:07:44PM +1000, James Calligeros wrote: > TAS2770 can pull down and zero-fill SDOUT when not actively transmitting > TDM slot data. Zero-fill is useful when there are no other amps on the > bus. Pulldown is useful when the chip is attached to a shared bus. > > Signed-off-by: James Calligeros <jcalligeros99@xxxxxxxxx> > --- > .../bindings/sound/ti,tas2770.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml > index 8eab98a0f7a25a9c87d2c56fd0635ff8ecee17d0..3eba9bb34a581526f68b6bf2e8437e1f1e03d26f 100644 > --- a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml > +++ b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml > @@ -57,6 +57,18 @@ properties: > - 0 # Rising edge > - 1 # Falling edge > > + ti,sdout-pull-down: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + If present, SDOUT will be pulled low when not > + transmitting. > + > + ti,sdout-zero-fill: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + If present, SDOUT will be zero-filled when not > + transmitting. Can't you align this with the other property you added? Or extend the existing TDM properties we have. Rob
