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Message-ID: <CAL_Jsq+RJbHmayX8HdoWzPxxCrGKZjjyRQrwPzSmdOnHTKkC2Q@mail.gmail.com>
Date:   Wed, 5 Oct 2016 07:52:09 -0500
From:   Rob Herring <robh@...nel.org>
To:     Nava kishore Manne <nava.manne@...inx.com>
Cc:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "jslaby@...e.com" <jslaby@...e.com>,
        "michal.simek@...inx.com" <michal.simek@...inx.com>,
        Soren Brinkmann <sorenb@...inx.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Punnaiah Choudary Kalluri <punnaia@...inx.com>
Subject: Re: [PATCH v5] devicetree: bindings: uart: Add new compatible string
 for ZynqMP

On Wed, Oct 5, 2016 at 7:23 AM, Nava kishore Manne
<nava.manne@...inx.com> wrote:
> 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.

As I said, it is not an OR condition. 'Use "xlnx,xuartps",
"cdns,uart-r1p8" for Zynq-7xxx SoC

> Use "xlnx,zynqmp-uart" or " cdns,uart-r1p12" for Zynq Ultrascale+ MPSoC.

Yes, but as above.

Rob

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