Re: [PATCH 2/8] pinctrl: sunxi: Add support for the Allwinner H616 pin controller

Chen-Yu Tsai
2020-12-14T09:28:02Z

On Mon, Dec 14, 2020 at 12:28 AM Icenowy Zheng <icenowy@aosc.io> wrote:
>
> 在 2020-12-02星期三的 13:54 +0000，Andre Przywara写道：
> > 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