linux-kernel - Re: [PATCH 3/7] dt-bindings: media: Document STM32MP25 VENC video encoder

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Message-ID: <0de2ae74-2ba1-0e8d-aa7b-77806ac8b252@foss.st.com>
Date:   Mon, 9 Oct 2023 15:49:41 +0200
From:   Hugues FRUCHET <hugues.fruchet@...s.st.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        <linux-media@...r.kernel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-rockchip@...ts.infradead.org>
CC:     Andrzej Pietrasiewicz <andrzej.p@...labora.com>
Subject: Re: [PATCH 3/7] dt-bindings: media: Document STM32MP25 VENC video
 encoder

Hi Krzysztof,

On 10/5/23 21:45, Krzysztof Kozlowski wrote:
> On 04/10/2023 11:15, Hugues Fruchet wrote:
>> Add STM32MP25 VENC video encoder bindings.
>>
> 
> I don't understand why this binding is separate from video decoder.
> Merge them.
VDEC and VENC are two independent IPs with their own clock, reset, 
interrupt & register set, they have their own access to APB/AXI bus.
Moreover future chipsets may embed only VENC or VDEC.

Hoping that this clarifies the reason of two different bindings.

> 
> Best regards,
> Krzysztof
> 


Br,
Hugues.