linux-kernel - Re: [PATCH v3 02/14] dt-bindings: media: rkisp1: Add i.MX8MP ISP example

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Date:   Sat, 19 Nov 2022 18:59:19 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Paul Elder <paul.elder@...asonboard.com>,
        linux-media@...r.kernel.org, Dafna Hirschfeld <dafna@...tmail.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Helen Koike <helen.koike@...labora.com>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/14] dt-bindings: media: rkisp1: Add i.MX8MP ISP
 example

Hi Krzysztof,

On Fri, Nov 18, 2022 at 02:06:14PM +0100, Krzysztof Kozlowski wrote:
> On 18/11/2022 10:39, Paul Elder wrote:
> > From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> > 
> > Add an example to the rockchip-isp1 DT binding that showcases usage of
> > the parallel input of the ISP, connected to the CSI-2 receiver internal
> > to the i.MX8MP.
> > 
> > Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> 
> Missing SoB.
> 
> > ---
> >  .../bindings/media/rockchip-isp1.yaml         | 72 +++++++++++++++++++
> >  1 file changed, 72 insertions(+)
> > 
> 
> I don't know what do you demonstrate there... usage of endpoints? That's
> the only difference. Such usage is the same everywhere, nothing specific
> to this example. You already have two examples, so I don't think this
> brings anything more.

The i.MX8MP is the only SoC integrating this ISP (and supported in
mainlineà that has an external CSI-2 receiver, as opposed to using the
CSI-2 receiver from the ISP. This patch this showcases the DT
integration for that use case. If you think it's not worth it, I'm fine
dropping it.

-- 
Regards,

Laurent Pinchart