Re: [PATCH 0/6] arm64: add ethernet to orange pi 3

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Le Mon, May 09, 2022 at 05:19:16PM +0200, Andrew Lunn a écrit :
> On Mon, May 09, 2022 at 03:27:30PM +0200, LABBE Corentin wrote:
> > Le Mon, May 09, 2022 at 02:20:07PM +0200, Andrew Lunn a écrit :
> > > On Mon, May 09, 2022 at 07:48:51AM +0000, Corentin Labbe wrote:
> > > > Hello
> > > > 
> > > > 2 sunxi board still does not have ethernet working, orangepi 1+ and
> > > > orangepi 3.
> > > > This is due to the fact thoses boards have a PHY which need 2 regulators.
> > > 
> > > Why PHY make/module is it which is causing problems?
> > > 
> > 
> > The problem was stmmac support only one regulator for PHY.
> 
> I'm trying to understand the differences between the two different
> regulators. If you tell me what the PHY is, i might be able to find
> the data sheet, and then understand why two regulators are needed and
> if one needs to be controlled by the PHY driver, not the MDIO bus
> driver.

The schematic for the board is https://linux-sunxi.org/images/5/50/OrangePi_3_Schematics_v1.5.pdf
Which show a RTL8211E.



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