[PATCH 2/2] ASoC: dt-bindings: fsl: add ac97 fixed mode support
Rob Herring
robh at kernel.org
Tue Oct 6 23:52:39 CEST 2020
On Mon, Oct 05, 2020 at 08:35:58AM -0300, Fabio Estevam wrote:
> On Mon, Oct 5, 2020 at 8:16 AM Primoz Fiser <primoz.fiser at norik.com> wrote:
> >
> > Add devicetree bindings documentation for operating SSI in AC'97
> > variable/fixed mode of operation.
> >
> > Signed-off-by: Primoz Fiser <primoz.fiser at norik.com>
> > ---
> > 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.
Then perhaps it could be boolean?
Rob
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