linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8550: Add support for camss

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Message-ID: <72b61199-bb70-4965-9ca9-f21966195f60@quicinc.com>
Date: Fri, 16 May 2025 18:32:32 +0800
From: Wenmeng Liu <quic_wenmliu@...cinc.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Konrad Dybcio
	<konrad.dybcio@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Depeng Shao <quic_depengs@...cinc.com>
Subject: Re: [PATCH] arm64: dts: qcom: sm8550: Add support for camss



On 2025/5/16 18:15, Bryan O'Donoghue wrote:
> On 16/05/2025 08:34, Wenmeng Liu wrote:
>>> This should be 689 yes
>>>
>>> ---
>>> bod
>>
>> Hi Bryan,Konrad,
>>
>> I confirmed that the value is 688 instead of 689. The documentation 
>> incorrectly listed it as 689. To CC linux-media, I have resent the patch:
>> https://lore.kernel.org/linux-arm-msm/20250516072707.388332-1- 
>> quic_wenmliu@...cinc.com/
> 
> Do you mean the documentation in the kernel or the documentation inside 
> of qcom ?
> 
> I checked the internal silicon definition, I think Konrad did also.
> 
> Which documentation do you mean here ?
> 
> ---
> bod

I mean is the ipcat documentation.
And if configured to 689, the interrupt will fail to request:
irq：irq: type mismatch, failed to map hwirq-721 for 
interrupt-controller@...00000!

According the mobile configuration, this value should be 688.

Thanks,
Wenmeng