linux-kernel - Re: [PATCH 1/6] media: dt-bindings: media: sun6i: Separate H3 compatible from A31

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Message-ID: <CAGb2v67xoqV+QuVxDyBrUzzpab9vsbJRQBFPA0OS=h_bZ2H7Tw@mail.gmail.com>
Date:   Mon, 3 Dec 2018 17:48:31 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Yong Deng <yong.deng@...ewell.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/6] media: dt-bindings: media: sun6i: Separate H3
 compatible from A31

On Mon, Dec 3, 2018 at 5:42 PM Jagan Teki <jagan@...rulasolutions.com> wrote:
>
> On Fri, Nov 30, 2018 at 1:29 PM Chen-Yu Tsai <wens@...e.org> wrote:
> >
> > The CSI controller found on the H3 (and H5) is a reduced version of the
> > one found on the A31. It only has 1 channel, instead of 4 channels for
> > time-multiplexed BT.656. Since the H3 is a reduced version, it cannot
> > "fallback" to a compatible that implements more features than it
> > supports.
> >
> > Split out the H3 compatible as a separate entry, with no fallback.
> >
> > Fixes: b7eadaa3a02a ("media: dt-bindings: media: sun6i: Add A31 and H3
> >                       compatibles")
> > Signed-off-by: Chen-Yu Tsai <wens@...e.org>
>
> "media" text appear two times on commit head.

Just following what previous commits did. :)

> Reviewed-by: Jagan Teki <jagan@...rulasolutions.com>

BTW, I know you've been trying to get CSI to work on the A64.
I have it working for the Bananapi-M64. The CSI SCLK needs to
be lowered to 300 MHz or the image gets corrupted.

ChenYu