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

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Date:   Fri, 03 Nov 2017 13:01:12 +0100
From:   Frank Kunz <mailinglists@...z-im-inter.net>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     devicetree@...r.kernel.org, mark.rutland@....com, wens@...e.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        robh+dt@...nel.org
Subject: Re: [PATCH] ARM: sun7i: Add Cubietech Einstein A20 board device-tree

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