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

[Kostya Porotchkin]

> ----------------------------------------------------------------------
> On Wed, Feb 10, 2021 at 04:09:38PM +0200, kostap at marvell.com wrote:
> > From: Konstantin Porotchkin <kostap at 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
> --
> RMK's Patch system: https://urldefense.proofpoint.com/v2/url?u=https-
> 3A__www.armlinux.org.uk_developer_patches_&d=DwIBAg&c=nKjWec2b6R0
> mOyPaz7xtfQ&r=-
> N9sN4p5NSr0JGQoQ_2UCOgAqajG99W1EbSOww0WU8o&m=7JAOlRdnL-
> 42trjLrz_DOgZhvVuW8Skolb3bL-wJ6lo&s=9IB3Lxht5IQHTINpyLfX-
> KC8AmqqHn0cCSSuQuTvfkE&e=
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!