linux-kernel - Re: [PATCH 03/17] ARM: dts: r8a7742: Add I2C and IIC support

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Date:   Mon, 18 May 2020 11:53:50 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Jens Axboe <axboe@...nel.dk>, Rob Herring <robh+dt@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        "David S. Miller" <davem@...emloft.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, linux-ide@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-i2c@...r.kernel.org,
        Linux MMC List <linux-mmc@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        linux-watchdog@...r.kernel.org
Subject: Re: [PATCH 03/17] ARM: dts: r8a7742: Add I2C and IIC support

Hi Prabhakar,

> > Leaves us with a seperate compatible entry for it?
> >
> Sounds okay to me, how about "renesas,iic-no-dvfs" ? So that this
> could be used on all the SoC's which don't support DVFS.

Well, the feature missing is used for DVFS, but its name is "automatic
transmission". So, I'd rather suggest "-no-auto" as suffix. Also, there
are already quite some IIC variants out there, so plain "iic" won't
catch them all. My suggestion would be "renesas,rcar-gen2-iic-no-auto".

All the best,

   Wolfram


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