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

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Message-ID: <6211f39c-90a0-4460-a20a-5487c35de80c@oss.qualcomm.com>
Date: Wed, 24 Dec 2025 10:27:48 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
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 12/23/2025 9:42 PM, Krzysztof Kozlowski wrote:
> 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.

Although the two SOMs differ, they share an almost identical hardware 
layout. In this scenario, would there be any issue with extracting the 
common DTS parts into a separate file?

> 
> Best regards,
> Krzysztof

-- 
Best Regards,
Yijie