RE: [PATCH v5] devicetree: bindings: uart: Add new compatible string for ZynqMP

From: Nava kishore Manne
Date: Wed Oct 05 2016 - 08:39:03 EST


Hi Rob,

Thanks for the review...

> > Changes for v5:
> > -Fixed some minor comments.
>
> Not a useful changelog. The point of these comments is to remind the
> reviewers of what they commented on.

Ok will take care from next version onwards...

> > Required properties:
> > -- compatible : should be "cdns,uart-r1p8", or "xlnx,xuartps"
> > +- compatible :
> > + Use "cdns,uart-r1p8", or "xlnx,xuartps" for Zynq-7xxx SoC.
>
> This is still not right. It was wrong before, but you are touching it so make it
> right.
>
> OR doesn't match the dts files. It is AND and the opposite order.
>
> xlnx,xuartps wasn't the best naming, but it's in use so we'll have to live with it
> for zynq-7xxx.
>
> > + Use "cdns,uart-r1p12" for Zynq Ultrascale+ MPSoC.
>
> What I meant here was this should have something like "xlnx,mpsoc-uart"
> as the first compatible with "cdns,uart-r1p12" as the second. Not sure if
> "mpsoc" is the best name here.

You mean something like below
Use "xlnx,xuartps" or "cdns,uart-r1p8" for Zynq-7xxx SoC.
Use "xlnx,zynqmp-uart" or " cdns,uart-r1p12" for Zynq Ultrascale+ MPSoC.

Please correct me if my understanding is wrong.

Regards,
Navakishore.