linux-kernel - Re: [PATCH 3/4] arm64: dts: qcom: Commonize IQ-X-IOT DTSI

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Message-ID: <d105c29d-82fb-4127-bef2-11bc43472dd5@kernel.org>
Date: Tue, 23 Dec 2025 14:42:39 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Yijie Yang <yijie.yang@....qualcomm.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: qcom: Commonize IQ-X-IOT DTSI

On 23/12/2025 03:00, Yijie Yang wrote:
> 
> 
> On 12/22/2025 5:11 PM, Krzysztof Kozlowski wrote:
>> On Mon, Dec 22, 2025 at 02:03:28PM +0800, YijieYang wrote:
>>> From: Yijie Yang <yijie.yang@....qualcomm.com>
>>>
>>> HAMOA-IOT-EVK and PURWA-IOT-EVK share a similar board design. Extract
>>> the common components into separate files for better maintainability.
>>
>> SoMs do not share actual hardware. DTSI does not represent what looks
>> similar to you, but actually common parts.
> 
> The two SOMs share the same hardware except for the SoC. What are your 
> suggestions for the file architecture?

Not likely. That's like saying SM8650 and SM8550 share the same
hardware... Take the Som to your hand. Can you remove the soc? No? So
you're done. Separate device.

Best regards,
Krzysztof