On Mon, Dec 14, 2020 at 12:28 AM Icenowy Zheng [off-list ref] wrote:

在 2020-12-02星期三的 13:54 +0000，Andre Przywara写道：

quoted

Port A is used for an internal connection to some analogue circuitry
which looks like an AC200 IP (as in the H6), though this is not
mentioned in the manual.

When developing for V831, I found that PIO controller in H616 (and
V831) has the functionality of selecting IO voltage of PF bank (needed
to handle UHS-I).

How should we model this in PIO driver?

I suppose we could expose it as a regulator for the mmc node to consume
as its vqmmc-supply?

ChenYu

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