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

Frank Kunz mailinglists at kunz-im-inter.net
Fri Nov 3 05:01:12 PDT 2017


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




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