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

[Maxime Ripard <mripard@kernel.org>]

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On Wed, Aug 14, 2019 at 03:17:41PM +0200, Corentin Labbe wrote:
> On Mon, Aug 12, 2019 at 11:40:00AM +0200, Maxime Ripard wrote:
> > On Thu, Aug 08, 2019 at 10:42:53AM +0200, Corentin Labbe wrote:
> > > 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.
> > >
> > > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > > ---
> > >  arch/arm64/boot/dts/allwinner/Makefile        |  1 +
> > >  .../sun50i-h6-pine-h64-modelA-eval.dts        | 26 +++++++++++++++++++
> > >  2 files changed, 27 insertions(+)
> > >  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-modelA-eval.dts
> > >
> > > diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> > > index f6db0611cb85..9a02166cbf72 100644
> > > --- a/arch/arm64/boot/dts/allwinner/Makefile
> > > +++ b/arch/arm64/boot/dts/allwinner/Makefile
> > > @@ -25,3 +25,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-3.dtb
> > >  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-lite2.dtb
> > >  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
> > >  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
> > > +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64-modelA-eval.dtb
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-modelA-eval.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-modelA-eval.dts
> > > new file mode 100644
> > > index 000000000000..d8ff02747efe
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-modelA-eval.dts
> > > @@ -0,0 +1,26 @@
> > > +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> > > +/*
> > > + * Copyright (C) 2019 Corentin Labbe <clabbe.montjoie@gmail.com>
> > > + */
> > > +
> > > +#include "sun50i-h6-pine-h64.dts"
> > > +
> > > +/ {
> > > +	model = "Pine H64 model A evaluation board";
> > > +	compatible = "pine64,pine-h64-modelA-eval", "allwinner,sun50i-h6";
> > > +
> > > +	reg_gmac_3v3: gmac-3v3 {
> > > +		compatible = "regulator-fixed";
> > > +		regulator-name = "vcc-gmac-3v3";
> > > +		regulator-min-microvolt = <3300000>;
> > > +		regulator-max-microvolt = <3300000>;
> > > +		startup-delay-us = <100000>;
> > > +		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>;
> > > +		enable-active-high;
> > > +	};
> > > +
> > > +};
> > > +
> > > +&emac {
> > > +	phy-supply = <&reg_gmac_3v3>;
> > > +};
> >
> > I might be missing some context here, but I'm pretty sure that the
> > initial intent of the pine h64 DTS was to support the model A all
> > along.
> >
>
> The regulator changed between modelA and B.
> See this old patchset (supporting modelA) https://patchwork.kernel.org/patch/10539149/ for example.

I'm not sure what your point is, but mine is that everything about the
model A should be in sun50i-h6-pine-h64.dts.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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