Messages in this thread |  | | Date | Thu, 11 Feb 2021 10:52:22 +0000 | From | Russell King - ARM Linux admin <> | Subject | Re: [PATCH v2 01/12] fix: arm64: dts: replace wrong regulator on ap emmc |
| |
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?
-- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
|  |