linux-kernel - Re: [PATCH 5/6] ARM: dts: stm32: Adapt STM32MP157 DK boards to stm32 DT diversity

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Date:   Fri, 29 Nov 2019 15:51:48 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        DTML <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH 5/6] ARM: dts: stm32: Adapt STM32MP157 DK boards to stm32
 DT diversity



On 11/29/19 3:20 PM, Arnd Bergmann wrote:
> On Wed, Nov 20, 2019 at 3:41 PM Alexandre Torgue
> <alexandre.torgue@...com> wrote:
>>
>> To handle STM32MP15 SOCs diversity, some updates have to been done.
>> This commit mainly adapt dk1 board to include the correct package and the
>> correct SOC version. A new file has been created to factorize common parts.
>>
>> Signed-off-by: Alexandre Torgue <alexandre.torgue@...com>
>>
>> diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
>> index 3f869bd67082..1292ac3b6890 100644
>> --- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
>> +++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
>>          model = "STMicroelectronics STM32MP157A-DK1 Discovery Board";
>>          compatible = "st,stm32mp157a-dk1", "st,stm32mp157";
>> -
>> -       aliases {
>> -               ethernet0 = &ethernet0;
>> -               serial0 = &uart4;
>> -       };
>> -
>> -       chosen {
>> -               stdout-path = "serial0:115200n8";
>> -       };
>> -
> 
> As a rule, I would leave aliases and chosen nodes in the .dts file and not
> move them into a shared .dtsi, since they tend to be board specific.
> 
> (even if that may not be the case in this particular file)

I agree, I'll move them in V2.

Thanks
Alex

> 
>        Arnd
>