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

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