linux-kernel - Re: [PATCH 1/3] dt-bindings: serial: Add a new compatible string for SC9863A

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Message-ID: <CAAfSe-uz396tvOSa6g-BJpwzARDi2uaPrCsP01f3A-Jww_c7BA@mail.gmail.com>
Date:   Tue, 29 Oct 2019 10:47:48 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Orson Zhai <orsonzhai@...il.com>
Cc:     Chunyan Zhang <chunyan.zhang@...soc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        DTML <devicetree@...r.kernel.org>, linux-serial@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Baolin Wang <baolin.wang7@...il.com>
Subject: Re: [PATCH 1/3] dt-bindings: serial: Add a new compatible string for SC9863A

On Sat, 26 Oct 2019 at 10:11, Orson Zhai <orsonzhai@...il.com> wrote:
>
> Hi Chunyan,
>
> On Fri, Oct 25, 2019 at 6:30 PM Chunyan Zhang <chunyan.zhang@...soc.com> wrote:
> >
> >
> > SC9863A use the same serial device which SC9836 uses.
> >
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
> > ---
> >  Documentation/devicetree/bindings/serial/sprd-uart.txt | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> > index 9607dc616205..0a9f8a7809e1 100644
> > --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt
> > +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> > @@ -4,6 +4,7 @@ Required properties:
> >  - compatible: must be one of:
> >    * "sprd,sc9836-uart"
> >    * "sprd,sc9860-uart", "sprd,sc9836-uart"
> > +  * "sprd,sc9863-uart", "sprd,sc9836-uart"
>
> Duplicated 9836 with above line?

We can just use "sprd,sc9836-uart" for SC9860 and SC9863 SoCs though,
added a new compatible string in case we'll have some difference for
serial on SC9863A in the furture.

Thanks,
Chunyan

>
> -Orson
>
> >
> >  - reg: offset and length of the register set for the device
> >  - interrupts: exactly one interrupt specifier
> > --
> > 2.20.1
> >
> >