linux-kernel - Re: [PATCH v2 0/2] r8a7742-iwg21d-q7-dbcm: Add support for ov7725 sensors

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Message-ID: <CAMuHMdW78pvi4pfX-hUV_+=8A0FqWG7t87m4w6=C2Wy2--+kPw@mail.gmail.com>
Date:   Wed, 25 Nov 2020 18:34:32 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Cc:     Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 0/2] r8a7742-iwg21d-q7-dbcm: Add support for ov7725 sensors

Hi Prabhakar,

On Wed, Nov 25, 2020 at 6:23 PM Lad, Prabhakar
<prabhakar.csengg@...il.com> wrote:
> On Wed, Nov 25, 2020 at 4:32 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Wed, Nov 25, 2020 at 5:26 PM Prabhakar Mahadev Lad
> > <prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> > > > -----Original Message-----
> > > > From: Geert Uytterhoeven <geert@...ux-m68k.org>
> > > > Sent: 25 November 2020 16:21
> > > > To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
> > > > Cc: Magnus Damm <magnus.damm@...il.com>; Rob Herring <robh+dt@...nel.org>; Linux-Renesas <linux-
> > > > renesas-soc@...r.kernel.org>; open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
> > > > <devicetree@...r.kernel.org>; Linux Kernel Mailing List <linux-kernel@...r.kernel.org>; Biju Das
> > > > <biju.das.jz@...renesas.com>; Prabhakar <prabhakar.csengg@...il.com>
> > > > Subject: Re: [PATCH v2 0/2] r8a7742-iwg21d-q7-dbcm: Add support for ov7725 sensors
> > > >
> > > > On Wed, Nov 25, 2020 at 2:02 PM Lad Prabhakar
> > > > <prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> > > > > This patch set enables to connect ov7725 sensors on iWave-RZ/G1H Qseven
> > > > > board.
> > > >
> > > > Thanks for your series!
> > > >
> > > > Do you think it's a valid use case to mix and match ov5640 and ov7725
> > > > cameras? E.g. connect two of each?
> > > >
> > > Yes that is valid case to mix and match. Do you want me to make it configurable too ?
> >
> > If this is a valid use case, then please do so.
> >
> In that case do we still want to keep the ov7725/ov5640 nodes in
> separate dtsi  ?

You can, if you define only a single camera in each include file,
and #include four camera include files, with some #define/#undef-ery
around each #include.

Cfr. my suggestion in
https://lore.kernel.org/linux-renesas-soc/CAMuHMdXAB-eUAMSeptptajr0eReHXHFuoR5HZkB-X+AKBUsyxA@mail.gmail.com/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds