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SubjectRE: [EXT] Re: [PATCH v2 01/12] fix: arm64: dts: replace wrong regulator on ap emmc
Date

> ----------------------------------------------------------------------
> On Wed, Feb 10, 2021 at 04:09:38PM +0200, kostap@marvell.com wrote:
> > From: Konstantin Porotchkin <kostap@marvell.com>
> >
> > Replace wrong regulator in AP0 eMMC definition on MacchiatoBIN board
> > with 3.3V regulator.
> > The MacchiatoBIN board has no 1.8V regulator connected to AP0 eMMC
> > (ap0_sdhci0) interface.
>
> There seems to be some variability between Macchiatobin versions according
> to the schematics.
>
> The VDDO_H supply is connected to the eMMC VCCQ pins, and is also
> connected to the AP_VDDO_H pins. It is wired to the 1.8V regulator on rev 1.1
> schematics, but hard-wired to the 3.3V regulator on rev 1.3 schematics.
>
> This needs clarification from SolidRun before the patch can be accepted - was
> VDDO_H ever wired to the 1.8V regulator on production hardware?
>
[KP] I will try to find a relevant contact in SolidRun for get this issue clarified.

Kosta
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