On Tue, Aug 24, 2021 at 05:17:57PM +0800, Sugar Zhang wrote: > This patch documents property for playback-only and capture-only. > > Signed-off-by: Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx> > --- > > Changes in v2: None > > Documentation/devicetree/bindings/sound/rockchip-i2s.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml > index 9f9cc48..005b6e6 100644 > --- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml > +++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml > @@ -81,6 +81,16 @@ properties: > description: > Max playback channels, if not set, 8 channels default. > > + rockchip,capture-only: > + type: boolean > + description: > + Specify that the controller has capture only capability. > + > + rockchip,playback-only: > + type: boolean > + description: > + Specify that the controller has playback only capability. In the Rockchip TDM-I2S binding[1], these were dropped. Perhaps comment there why they are needed. Rob [1] https://lore.kernel.org/lkml/20210820182731.29370-1-frattaroli.nicolas@xxxxxxxxx/
