linux-kernel - Re: [PATCH v4 2/4] dt-bindings: media: add Maxim MAX96714 GMSL2 Deserializer

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Message-ID: <20240308-footnote-landmass-e1efcaf72a6d@spud>
Date: Fri, 8 Mar 2024 15:07:02 +0000
From: Conor Dooley <conor@...nel.org>
To: Julien Massot <julien.massot@...labora.com>
Cc: linux-media@...r.kernel.org, kernel@...labora.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	mchehab@...nel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	sakari.ailus@....fi
Subject: Re: [PATCH v4 2/4] dt-bindings: media: add Maxim MAX96714 GMSL2
 Deserializer

On Fri, Mar 08, 2024 at 03:08:12PM +0100, Julien Massot wrote:
> On 3/7/24 20:21, Conor Dooley wrote:
> > On Tue, Mar 05, 2024 at 04:26:06PM +0100, Julien Massot wrote:
> > > Add DT bindings for Maxim MAX96714 GMSL2 Deserializer.
> > > 
> > > Signed-off-by: Julien Massot <julien.massot@...labora.com>
> > > ---
> > > Change since v3:
> > >   - Renamed file to maxim,max96714.yaml dropped the 'f' suffix
> > 
> > Why? The filename should match the compatible, which /does/ have an f.
> All the work has been done on MAX96714F variant of this Maxim GMSL2
> deserializer.
> The driver and the binding remain suitable for all variants of this chipset,
> since they share the same
> register mapping, similar features etc..
> 
> MAX96714 exists in different variant: MAX96714 / MAX96714F / MAX96714K that
> will be easy
> to add support for this binding and driver later.

Either document the non-f version if it really is that similar, using
all of the same properties, or name the file after the version you've
actually documented. I don't see why this particular case should be
given an exception to how bindings are named.

What is the actual difference between the f and non f versions? Is it
visible to software?

> The MAX96714 name looks the most suitable.
> Please have a look at this discussion on the V3 version
> https://lore.kernel.org/lkml/ZdXYpc2csVnhtZH9@valkosipuli.retiisi.eu


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