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

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Message-ID: <CAK8P3a2Bg9KwfEqEE3_NUHxVv=svFGuj--Tnq-w-xFg63cfqAA@mail.gmail.com>
Date:   Fri, 29 Nov 2019 15:20:17 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Alexandre Torgue <alexandre.torgue@...com>
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 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)

      Arnd