Re: [RFC PATCH v2 3/3] mmc: renesas_sdhi: Add support for RZ/V2H(P) SoC

[Wolfram Sang]

> > There is a similar instance of regulator driver [1] which is
> > controlled via register bit write, but in our case the SD_STATUS
> > register is part of the SDHI IP block itself.
> 
> ... I could imagine that the SDHI driver itself exposes a regulator
> driver. Just without a <reg>-property. The compatible will induce which
> register and bit to use.

That would mean we have a compatible-entry per SDHI instance per SoC?
Did I get this right? I think that will be too many compatibles.

What is the drawback of using an "internal-regulator" property within
the SDHI node?

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