Re: [PATCH 2/2] dt-bindings: tpm: Add st,st33ktpm2xi2c to TCG TIS binding

[Lukas Wunner]

On Sat, Apr 13, 2024 at 12:53:25PM +0200, Krzysztof Kozlowski wrote:
> On 13/04/2024 12:51, Lukas Wunner wrote:
> > The binding requires two entries in the compatible string used in the DT,
> > the chip name followed by the generic string:
> > 
> >         items:
> >           - enum:
> >               - infineon,slb9673
> >               - nuvoton,npct75x
> >           - const: tcg,tpm-tis-i2c
> > 
> > This allows us to deal with device-specific quirks, should they pop up
> > (e.g. special timing requirements, hardware bugs).  We don't know in
> > advance if they will be discovered, but if they are, it's cumbersome
> > to determine after the fact which products (and thus DTs) are affected.
> > So having the name of the actual chip used on the board has value.
> 
> So you say devices are compatible. Then the second patch is wrong.
> 
> I cannot respond to it, though... so NAK-here-for-second-patch.

I disagree.  It's ugly to have inconsistencies between the DT bindings
and the driver.  So I think patch [1/2] in this series is fine.

Thanks,

Lukas