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

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Date:   Fri, 6 Oct 2023 11:27:03 -0500
From:   Rob Herring <robh@...nel.org>
To:     Adam Ford <aford173@...il.com>
Cc:     Hugues Fruchet <hugues.fruchet@...s.st.com>,
        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,
        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,
        Andrzej Pietrasiewicz <andrzej.p@...labora.com>
Subject: Re: [PATCH 3/7] dt-bindings: media: Document STM32MP25 VENC video
 encoder

On Wed, Oct 04, 2023 at 06:41:09PM -0500, Adam Ford wrote:
> On Wed, Oct 4, 2023 at 4:16 AM Hugues Fruchet
> <hugues.fruchet@...s.st.com> wrote:
> >
> > Add STM32MP25 VENC video encoder bindings.
> >
> > Signed-off-by: Hugues Fruchet <hugues.fruchet@...s.st.com>
> > ---
> >  .../bindings/media/st,stm32mp25-venc.yaml     | 56 +++++++++++++++++++
> >  1 file changed, 56 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/media/st,stm32mp25-venc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/st,stm32mp25-venc.yaml b/Documentation/devicetree/bindings/media/st,stm32mp25-venc.yaml
> > new file mode 100644
> > index 000000000000..c69e0a34f675
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/st,stm32mp25-venc.yaml
> > @@ -0,0 +1,56 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/media/st,stm32mp25-venc.yaml#
> 
> Can this dt-binding be made more generic, like something like
> hantro-h1 or VC8000NanoE?
> 
> I think there will be more boards that may incorporate the Hantro-H1
> or a VC8000 in the future, because I don't think this IP is unique to
> the STM32MP25.

Unless the underlying IP is well documented (i.e. public), then it's 
kind of pointless. Everyone will just invent their own numbers and names 
of clocks, resets, etc. unless someone can enforce not doing that.

Rob