On Mon, Oct 5, 2020 at 8:16 AM Primoz Fiser <primoz.fiser@xxxxxxxxx> wrote: > > Add devicetree bindings documentation for operating SSI in AC'97 > variable/fixed mode of operation. > > Signed-off-by: Primoz Fiser <primoz.fiser@xxxxxxxxx> > --- > Documentation/devicetree/bindings/sound/fsl,ssi.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/fsl,ssi.txt b/Documentation/devicetree/bindings/sound/fsl,ssi.txt > index 7e15a85cecd2..abc5abe11fb9 100644 > --- a/Documentation/devicetree/bindings/sound/fsl,ssi.txt > +++ b/Documentation/devicetree/bindings/sound/fsl,ssi.txt > @@ -43,6 +43,11 @@ Optional properties: > - fsl,mode: The operating mode for the AC97 interface only. > "ac97-slave" - AC97 mode, SSI is clock slave > "ac97-master" - AC97 mode, SSI is clock master > +- fsl,ac97-mode: SSI AC97 mode of operation. > + "variable" - AC97 Variable Mode, SLOTREQ bits determine > + next receive/transmit frame > + "fixed" - AC97 Fixed Mode, SSI transmits in accordance with > + AC97 Frame Rate Divider bits It would be good to mention what is the default mode when such property is absent.
