Re: [linux-sunxi] [PATCH] ARM64: dts: allwinner: Add devicetree for pine H64 modelA evaluation board

From: Jernej Åkrabec
Date: Fri Aug 16 2019 - 05:50:44 EST


Dne sreda, 14. avgust 2019 ob 15:28:53 CEST je ClÃment PÃron napisal(a):
> Hi,
>
> On Wed, 14 Aug 2019 at 15:20, Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
wrote:
> > On Mon, Aug 12, 2019 at 12:56:56PM +0200, Jernej Åkrabec wrote:
> > > Dne Äetrtek, 08. avgust 2019 ob 10:42:53 CEST je Corentin Labbe
napisal(a):
> > > > This patch adds the evaluation variant of the model A of the PineH64.
> > > > The model A has the same size of the pine64 and has a PCIE slot.
> > > >
> > > > The only devicetree difference with current pineH64, is the PHY
> > > > regulator.
> > >
> > > I have Model A board which also needs ddc-en-gpios property for HDMI
> > > connector in order for HDMI to work correctly. Otherwise it will just
> > > use 1024x768 resolution. Can you confirm that?
>
> Schematics Rev A:
> http://files.pine64.org/doc/Pine%20H64/Pine%20H64%20Ver1.1-20180104.pdf
>
> Rev B:
> http://files.pine64.org/doc/Pine%20H64/PINE-H6-model-B-20181212-schematic.pd
> f
>
> There is a DDC_EN on REV A not on REV B
>
> Regards,
> ClÃment
>
> > > Best regards,
> > > Jernej
> >
> > Sorry I didnt use at all video stuff (like HDMI), so I cannot answer now.
> >
> > Could you send me a patch against my future v2 and I could test
> > with/without.

I don't have access to my Model A board currently, but this should suffice:

&connector {
ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
};

Best regards,
Jernej

> >
> > Regards
> >
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> > d.