Re: [PATCH] ARM: sun7i: Add Cubietech Einstein A20 board device-tree

From: Frank Kunz
Date: Fri Nov 03 2017 - 08:01:21 EST


Am Freitag, 3. November 2017, 09:44:27 CET schrieb Maxime Ripard:
> Hi Frank,
>
> On Thu, Nov 02, 2017 at 07:59:04PM +0100, Frank Kunz wrote:
> > > > +&mmc2 {
> > > > + pinctrl-names = "default";
> > > > + pinctrl-0 = <&mmc2_pins_a>;
> > > > + vmmc-supply = <&reg_vcc3v3>;
> > >
> > > What regulator is this connected to on the PMIC?
> >
> > Fixed, On the schematic it is finally connected to 3v0.
>
> Sorry, it wasn't really what I meant. Surely there's a PMIC regulator
> providing that 3.0V, you should put that regulator here.
>

It is not connected to any of the PMIC (AXP209) regulators. There is a
dedicated DCDC converter on that board which is driven by IPSOUT. This one
generates the 3.0V IO supply.

Br,
Frank