On Wed, Mar 06, 2024 at 06:45:13PM +0000, Conor Dooley wrote: > On Tue, Mar 05, 2024 at 12:33:04PM -0500, 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. > > Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > > --- > > Documentation/devicetree/bindings/sound/fsl,sai.yaml | 13 ++++++------- > > 1 file changed, 6 insertions(+), 7 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml > > index 2456d958adeef..6f551c68d33db 100644 > > --- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml > > +++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml > > @@ -81,15 +81,14 @@ properties: > > > > dmas: > > minItems: 1 > > - items: > > - - description: DMA controller phandle and request line for RX > > - - description: DMA controller phandle and request line for TX > > + maxItems: 2 > > > > dma-names: > > - minItems: 1 > > - items: > > - - const: rx > > - - const: tx > > + oneOf: > > + - items: > > + - const: rx > > + - const: tx > > + - enum: [ rx, tx ] > > I'm not entirely sure if this was Rob's suggestion, I got the impression > he was suggesting that in the two items case we'd not care about the > order. But while I think this is different to that suggestion it's also > not wrong. I log this at cover-letter. b4 can't support write change log at every patch yet. Rob's suggest was not work. dt-binding check complain too long if there are two dma-names = "rx", "tx". Frank > > Thanks, > Conor.