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Message-ID: <b3a5f971-6fbb-4c23-a7a0-f1e85787d85c@linaro.org>
Date:   Mon, 20 Nov 2023 08:15:19 +0100
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Subject: Re: [PATCH] docs: dt-bindings: add DTS Coding Style document
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To:     Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Bjorn Andersson <andersson@kernel.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Heiko Stuebner <heiko@sntech.de>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Michal Simek <michal.simek@amd.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Nishanth Menon <nm@ti.com>, Olof Johansson <olof@lixom.net>
References: <20231116181218.18886-1-krzysztof.kozlowski@linaro.org>
 <bbbd30c4-75ca-4d04-ac07-1b458ee543b7@linaro.org>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <bbbd30c4-75ca-4d04-ac07-1b458ee543b7@linaro.org>
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Precedence: bulk

On 18/11/2023 00:53, Konrad Dybcio wrote:
> On 16.11.2023 19:12, Krzysztof Kozlowski wrote:
>> Document preferred coding style for Devicetree sources (DTS and DTSI),
>> to bring consistency among all (sub)architectures and ease in reviews.
>>
>> Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> Cc: Bjorn Andersson <andersson@kernel.org>
>> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
>> Cc: Heiko Stuebner <heiko@sntech.de>
>> Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
>> Cc: Matthias Brugger <matthias.bgg@gmail.com>
>> Cc: Michal Simek <michal.simek@amd.com>
>> Cc: Neil Armstrong <neil.armstrong@linaro.org>
>> Cc: Nishanth Menon <nm@ti.com>
>> Cc: Olof Johansson <olof@lixom.net>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>
>> ---
> [...]
> 
>> +Order of Nodes
>> +--------------
>> +
>> +1. Nodes within any bus, thus using unit addresses for children, shall be
>> +   ordered incrementally by unit address.
>> +
>> +2. Nodes without unit addresses should be ordered alpha-numerically.
> I largely agree with all this given our fight for some level of
> tidyness across linux-msm, but there's one specific case where I think
> it would make sense to break this ordering, and that's GPIO states:
> 
> 
> &pinctrl {
> 	xyz-active-state {
> 		pins ="gpio0";
> 		...
> 	};
> 
> 	abc-active-state {
> 		pins ="gpio1";
> 		...
> 	};
> 
> 	qwe-active-state {
> 		pins ="gpio2";
> 		...
> 	};
> };
> 
> looks so much more readable to me than

True. I'll mention exception for this and Renesas.

Best regards,
Krzysztof