[PATCH v2 10/15] ASoC: dt-bindings: rockchip: i2s: Document property for playback/capture

[Rob Herring]

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 at rock-chips.com>
> ---
> 
> 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@gmail.com/