From: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Maxime Ripard <mripard-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
wens-jdAy2FN1RRM@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH] ARM64: dts: allwinner: Add devicetree for pine H64 modelA evaluation board
Date: Fri, 16 Aug 2019 13:57:50 +0200 [thread overview]
Message-ID: <20190816115750.GA24545@Red> (raw)
In-Reply-To: <20190816113650.hstbi5ntstx3wh4a@flea>
On Fri, Aug 16, 2019 at 01:36:50PM +0200, Maxime Ripard wrote:
> On Fri, Aug 16, 2019 at 11:35:13AM +0200, Corentin Labbe wrote:
> > On Wed, Aug 14, 2019 at 03:33:22PM +0200, Maxime Ripard wrote:
> > > 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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > > > > ---
> > > > > > 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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > > > > + */
> > > > > > +
> > > > > > +#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.
> > >
> > > 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.
> > >
> >
> > model A and B are different enough for distinct dtb, (see sub-thread
> > on HDMI difference for an other difference than PHY regulator)
>
> I don't mind having separate DTBs for model A and model B.
>
> > And clearly, the current dtb is for model B.
>
> That DTS was added almost a year before the model B was announced, and
> no commit to that file mention the model B, so it's definitely not
> clear.
Normal it was added for model A (without any ethernet/HDMI support, so nothing distinct from model B), and the modelB ethernet/HDMI support cames after.
>
> > So do you mean that we need to create a new dtb for model B ? (and
> > hack the current back to model A ?)
>
> I'd prefer not to hack anything, but yes
>
Since model A is not public (only evaluations boards exists), the probability of a production model A is low and the current dtb is perfect for model B , could you reconsider this ?
next prev parent reply other threads:[~2019-08-16 11:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-08 8:42 [PATCH] ARM64: dts: allwinner: Add devicetree for pine H64 modelA evaluation board Corentin Labbe
[not found] ` <20190808084253.10573-1-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-08-08 14:50 ` Clément Péron
[not found] ` <CAJiuCccEQFvKemTodJbuEDzDy9j6-M4SYskxPFJ5DpsbQDnvkA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-08-14 13:07 ` Corentin Labbe
2019-08-12 10:56 ` Jernej Škrabec
2019-08-14 13:20 ` Corentin Labbe
2019-08-14 13:28 ` [linux-sunxi] " Clément Péron
[not found] ` <CAJiuCcfASQriPLMuwuDCn9bU=_8q4jL+KkPo8NmMrrYpOqy2qA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-08-16 9:50 ` Jernej Škrabec
2019-08-12 9:40 ` Maxime Ripard
2019-08-14 13:17 ` Corentin Labbe
2019-08-14 13:33 ` Maxime Ripard
2019-08-16 9:35 ` Corentin Labbe
2019-08-16 11:36 ` Maxime Ripard
2019-08-16 11:57 ` Corentin Labbe [this message]
2019-08-16 13:52 ` Maxime Ripard
2019-08-16 14:00 ` Corentin Labbe
2019-08-20 13:58 ` Maxime Ripard
2019-08-21 9:19 ` Icenowy Zheng
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