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

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Date:   Tue, 10 Nov 2020 18:41:37 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Maxime Ripard <maxime@...no.tech>
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



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.

>
>Maxime