linux-kernel - Re: [PATCH 3/3] arm64: allwinner: dts: a64: add DT for PineTab developer sample

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Message-ID: <20201116155508.364dg6ycklwylswe@gilmour.lan>
Date:   Mon, 16 Nov 2020 16:55:08 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 3/3] arm64: allwinner: dts: a64: add DT for PineTab
 developer sample

On Tue, Nov 10, 2020 at 06:41:37PM +0800, Icenowy Zheng wrote:
> 
> 
> 于 2020年11月10日 GMT+08:00 下午6:39:25, Maxime Ripard <maxime@...no.tech> 写到:
> >On Sat, Nov 07, 2020 at 08:53:32PM +0800, Icenowy Zheng wrote:
> >> Some developers received PineTab samples that used an old LCD panel.
> >> 
> >> Add device tree for these samples.
> >> 
> >> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> >> ---
> >>  arch/arm64/boot/dts/allwinner/Makefile        |  1 +
> >>  .../dts/allwinner/sun50i-a64-pinetab-dev.dts  | 28
> >+++++++++++++++++++
> >>  2 files changed, 29 insertions(+)
> >>  create mode 100644
> >arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab-dev.dts
> >> 
> >> diff --git a/arch/arm64/boot/dts/allwinner/Makefile
> >b/arch/arm64/boot/dts/allwinner/Makefile
> >> index 211d1e9d4701..a221dcebfad4 100644
> >> --- a/arch/arm64/boot/dts/allwinner/Makefile
> >> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> >> @@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_SUNXI) +=
> >sun50i-a64-pinephone-1.0.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.2.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb
> >> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab-dev.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
> >>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb
> >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab-dev.dts
> >b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab-dev.dts
> >> new file mode 100644
> >> index 000000000000..3a4153890f3e
> >> --- /dev/null
> >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab-dev.dts
> >> @@ -0,0 +1,28 @@
> >> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> >> +/*
> >> + * Copyright (C) 2020 Icenowy Zheng <icenowy@...c.io>
> >> + *
> >> + */
> >> +
> >> +/dts-v1/;
> >> +
> >> +#include "sun50i-a64-pinetab.dts"
> >> +
> >> +/ {
> >> +	model = "PineTab Developer Sample";
> >> +	compatible = "pine64,pinetab-dev", "allwinner,sun50i-a64";
> >> +};
> >
> >Changing the DT and the compatible half-way through it isn't ok. Please
> >add a new DT with the newer revision like we did for the pinephone
> 
> We did this on Pine H64.

What are you referring to? I couldn't find a commit where we did what
you suggested in that patch to the pine H64.

Maxime

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