Re: [PATCH v2 07/10] dt-bindings: adv748x: add information about serial audio interface (I2S/TDM)

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Hi Laurent,

Laurent Pinchart, Fri, Mar 20, 2020 10:59:07 +0100:
> On Fri, Mar 20, 2020 at 10:03:39AM +0100, Alex Riesen wrote:
> > Geert Uytterhoeven, Fri, Mar 20, 2020 09:48:14 +0100:
> > > 
> > > You'd be surprised how many board designers would consider this a cheap
> > > 12.288 MHz clock source, without using the I2S port ;-)
> > 
> > Well, I am :-)
> > 
> > Especially considering that the driver will not switch the MCLK pin aktive
> > (all I2S-related pins are tristate by default).
> 
> If the MCLK can't be output without enabling the I2S then I don't mind
> if we make the #clock-cells optional, although, as Geert mentioned,
> someone may still want to use it.

So I settled on just removing the option.

> > And how do I require it to be set unconditionally? By just removing the
> > "if ..." part of the statement?
> 
> Yes. For YAML it's easy too, the hard part is making properties
> conditional :-)

Converting it into YAML turned out a bit more than just reformatting:
some of the explicit bindings schema is only implied in the text format :-(

Takes a while to find out what is what.

Regards,
Alex
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