netdev - RE: [PATCH v2] dt-bindings: net: ravb : Add support for r8a7743 SoC

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Date:   Tue, 11 Jul 2017 12:20:06 +0000
From:   Chris Paterson <Chris.Paterson2@...esas.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Biju Das <biju.das@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>
CC:     "David S. Miller" <davem@...emloft.net>,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH v2] dt-bindings: net: ravb : Add support for r8a7743 SoC

Hello Sergei,

> From: Sergei Shtylyov [mailto:sergei.shtylyov@...entembedded.com]
> Sent: 11 July 2017 13:12
> 
> Hello!
> 
> On 07/10/2017 06:32 PM, Biju Das wrote:
> 
> > Add a new compatible string for the RZ/G1M (R8A7743) SoC.
> >
> > Signed-off-by: Biju Das <biju.das@...renesas.com>
> > ---
> > v1->v2
> > * Changed the subject
> > * re-formatted the required properties
> >
> >  .../devicetree/bindings/net/renesas,ravb.txt       | 29 +++++++++++++------
> ---
> >  1 file changed, 17 insertions(+), 12 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/net/renesas,ravb.txt
> > b/Documentation/devicetree/bindings/net/renesas,ravb.txt
> > index b519503..4717bc2 100644
> > --- a/Documentation/devicetree/bindings/net/renesas,ravb.txt
> > +++ b/Documentation/devicetree/bindings/net/renesas,ravb.txt
> > @@ -4,19 +4,24 @@ This file provides information on what the device
> > node for the Ethernet AVB  interface contains.
> >
> >  Required properties:
> > -- compatible: "renesas,etheravb-r8a7790" if the device is a part of R8A7790
> SoC.
> > -	      "renesas,etheravb-r8a7791" if the device is a part of R8A7791 SoC.
> > -	      "renesas,etheravb-r8a7792" if the device is a part of R8A7792 SoC.
> > -	      "renesas,etheravb-r8a7793" if the device is a part of R8A7793 SoC.
> > -	      "renesas,etheravb-r8a7794" if the device is a part of R8A7794 SoC.
> > -	      "renesas,etheravb-r8a7795" if the device is a part of R8A7795 SoC.
> > -	      "renesas,etheravb-r8a7796" if the device is a part of R8A7796 SoC.
> > -	      "renesas,etheravb-rcar-gen2" for generic R-Car Gen 2 compatible
> interface.
> > -	      "renesas,etheravb-rcar-gen3" for generic R-Car Gen 3 compatible
> interface.
> > +- compatible: Must contain one or more of the following:
> 
>     No, it can't contain more than one SoC specific value.

Surely it can contain both "renesas,etheravb-r8a7743" and "renesas,etheravb-rcar-gen2" for example?

As indeed dictated by the instruction further down:

> > +	When compatible with the generic version, nodes must list the
> > +	SoC-specific version corresponding to the platform first followed by
> > +	the generic version.

Kind regards, Chris