[PATCH 07/18] dt-bindings: display: rockchip: dw-hdmi: Allow "ref" as clock name

[Sascha Hauer]

On Sun, Dec 12, 2021 at 11:09:24PM +0100, Heiko Stuebner wrote:
> Am Mittwoch, 8. Dezember 2021, 16:12:19 CET schrieb Sascha Hauer:
> > "vpll" is a misnomer. A clock input to a device should be named after
> > the usage in the device, not after the clock that drives it. On the
> > rk3568 the same clock is driven by the HPLL.
> > To fix that, this patch renames the vpll clock to ref clock.  The clock
> > name "vpll" is left for compatibility to old device trees.
> 
> Can't we just say that the binding only takes the "ref" name, but
> the code still allows "vpll".
> 
> I think I remember Rob suggesting something similar in the past.
> 
> I don't think that we need to keep the binding(-validation)
> compatible with old devicetrees, but the kernel itself should stay
> compatible.

Sounds reasonable. I'll also add a patch changing the in-tree users next
round.

Sascha

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