linux-kernel - Re: [PATCH] dt-bindings: clock: ti: Convert interface.txt to json-schema

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Date:   Tue, 28 Nov 2023 21:41:16 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        kristo@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: clock: ti: Convert interface.txt to
 json-schema

Am Tue, 28 Nov 2023 09:41:23 +0100
schrieb Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>:

[...] 
> > We have two usecases here (status quo in dts usage and code):
> > If these interface clocks are below a ti,clksel then we are
> > describing multiple bits in the same register and therefore every
> > child of ti,clksel would have the same reg.  
> 
> Regs can have bits, so that could still work.
> 
Yes, it could. Things could be designed in another way. But for now I
want to get rid of dtbs_check warnings and finally have some fun with
that and not always tempted to skip it and just copy over $bad_example.
So I am not in the mood of redesigning everything.

> > If the interface clock is not below a ti,clksel then we have reg.  
> 
> This should be expressed in the bindings. It's fine to make the reg
> optional (skip the description, it's confusing), but the ti,clksel
> should reference this schema and enforce it on the children.
> 
Well there are other compatibles below ti,clksel, too, so should we
rather add them when the other .txt files are converted?

Regards,
Andreas