[PATCH v7 3/4] ASoC: dt-bindings: fsl-sai: allow only one dma-names

[Rob Herring]

On Mon, 18 Mar 2024 15:00:09 -0400, Frank Li wrote:
> Some sai only connect one direction dma (rx/tx) in SOC. For example:
> imx8qxp sai5 only connect tx dma channel. So allow only one "rx" or "tx"
> for dma-names.
> 
> Remove description under dmas because no user use index to get dma channel.
> All user use 'dma-names' to get correct dma channel. dma-names already in
> 'required' list.
> 
> Signed-off-by: Frank Li <Frank.Li at nxp.com>
> ---
>  Documentation/devicetree/bindings/sound/fsl,sai.yaml | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 

Reviewed-by: Rob Herring <robh at kernel.org>