linux-kernel - Re: [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs property bindings

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Date: Thu, 22 Feb 2024 10:14:04 -0700
From: Rob Herring <robh@...nel.org>
To: Wolfram Sang <wsa@...nel.org>,
	Théo Lebrun <theo.lebrun@...tlin.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Andi Shyti <andi.shyti@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Gregory Clement <gregory.clement@...tlin.com>,
	Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Tawfik Bayouk <tawfik.bayouk@...ileye.com>
Subject: Re: [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs
 property bindings

On Wed, Feb 21, 2024 at 06:43:55PM +0100, Wolfram Sang wrote:
> Hi,
> 
> > > > > i2c-mpc (fsl,timeout) and i2c-gpio (i2c-gpio,timeout-ms). I agree this
> > > > > prop has no reason to be compatible-specific.
> 
> Anyone up to convert these drivers to the new binding and mark the old
> ones as deprecated?
> 
> > > > As Rob mentioned this isn't in the kernel schemas but in dtschema, so
> > > > you need to patch this:
> > > > https://github.com/robherring/dt-schema
> 
> @Rob: My memory fails a little bit about these two schemas: we have the
> github one for generic bindings, not strictly related to Linux, right?

Well, NONE of the bindings are strictly related to linux unless they say 
'linux,' prefix.

> But why do we have then i2c.txt in ther kernel tree? Why don't we sync
> regularly with the generic schema?

We need to remove i2c.txt. Often that hasn't happened because we need to 
relicense the text from GPL only to dual licensed. From a quick look, 
i2c/i2c-controller.yaml appears to have everything in i2c.txt, so I 
think we can go ahead and remove it. There's only a few references to 
i2c.txt to update with that. I'll send a patch, but please double check 
whether you think i2c-controller.yaml is missing anything.

Rob