linux-kernel - Re: [PATCH 2/4] arm64: dts: mediatek: mt8365: use a specific SCPSYS compatible

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Date: Mon, 20 May 2024 12:03:28 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 MandyJH Liu <mandyjh.liu@...iatek.com>, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 2/4] arm64: dts: mediatek: mt8365: use a specific SCPSYS
 compatible

On 20/05/2024 11:55, AngeloGioacchino Del Regno wrote:
> Il 18/05/24 23:11, Krzysztof Kozlowski ha scritto:
>> SoCs should use dedicated compatibles for each of their syscon nodes to
>> precisely describe the block.  Using an incorrect compatible does not
>> allow to properly match/validate children of the syscon device.  Replace
>> SYSCFG compatible, which does not have children, with a new dedicated
>> one for SCPSYS block.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> Technically, that's not a SCPSYS block, but called SYSCFG in MT8365, but the
> meaning and the functioning is the same, so it's fine for me.

So there are two syscfg blocks? With exactly the same set of registers
or different?

Best regards,
Krzysztof