Re: [PATCH 3/9] arm64: dts: allwinner: pinebook: Remove unused AXP803 regulators

From: Vasily Khoruzhick
Date: Tue Jan 21 2020 - 13:48:51 EST


On Tue, Jan 21, 2020 at 1:05 AM Maxime Ripard <mripard@xxxxxxxxxx> wrote:
>
> On Sun, Jan 19, 2020 at 10:30:58AM -0600, Samuel Holland wrote:
> > The Pinebook does not use the CSI bus on the A64. In fact it does not
> > use GPIO port E for anything at all. Thus the following regulators are
> > not used and do not need voltages set:
> >
> > - ALDO1: Connected to VCC-PE only
> > - DLDO3: Not connected
> > - ELDO3: Not connected
> >
> > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
> > ---
> > .../boot/dts/allwinner/sun50i-a64-pinebook.dts | 16 +---------------
> > 1 file changed, 1 insertion(+), 15 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> > index ff32ca1a495e..8e7ce6ad28dd 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> > @@ -202,9 +202,7 @@
> > };
> >
> > &reg_aldo1 {
> > - regulator-min-microvolt = <2800000>;
> > - regulator-max-microvolt = <2800000>;
> > - regulator-name = "vcc-csi";
> > + regulator-name = "vcc-pe";
> > };
>
> If it's connected to PE, I'd expect the voltage to be at 3.3v?

Commit message says that PE is not used, so we don't need to set it at all.

> Maxime
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