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Message-ID: <7ab50a13-9711-2d77-ff47-ad4c2d9b4faf@linaro.org>
Date:   Sun, 20 Nov 2022 11:34:41 +0100
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Subject: Re: [PATCH v3 02/14] dt-bindings: media: rkisp1: Add i.MX8MP ISP
 example
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To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc:     Paul Elder <paul.elder@ideasonboard.com>,
        linux-media@vger.kernel.org, Dafna Hirschfeld <dafna@fastmail.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Helen Koike <helen.koike@collabora.com>,
        linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
References: <20221118093931.1284465-1-paul.elder@ideasonboard.com>
 <20221118093931.1284465-3-paul.elder@ideasonboard.com>
 <ca8a6070-3888-8d42-5974-d7c2adc62417@linaro.org>
 <Y3kLZ6nQ1VzN+2eu@pendragon.ideasonboard.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <Y3kLZ6nQ1VzN+2eu@pendragon.ideasonboard.com>
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On 19/11/2022 17:59, Laurent Pinchart wrote:
> 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@ideasonboard.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@ideasonboard.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.

The purpose of examples are not to demonstrate the SoC, but only this
given binding.
> 

Best regards,
Krzysztof