Re: [PATCH] ARM64: dts: allwinner: Add devicetree for pine H64 modelA evaluation board
From: Corentin Labbe
Date: Wed Aug 14 2019 - 09:17:49 EST
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@xxxxxxxxx>
> > ---
> > 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@xxxxxxxxx>
> > + */
> > +
> > +#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 = <®_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.