linux-kernel - Re: [PATCH v6 1/5] media: dt-bindings: Add CAMSS device for Kaanapali

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Message-ID: <2d7ac7e8-ab69-44a6-b732-3657abf3a5a6@oss.qualcomm.com>
Date: Tue, 18 Nov 2025 19:44:09 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Vijay Kumar Tumati <vijay.tumati@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        Loic Poulain <loic.poulain@....qualcomm.com>,
        Robert Foss
 <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        aiqun.yu@....qualcomm.com, tingwei.zhang@....qualcomm.com,
        trilok.soni@....qualcomm.com, yijie.yang@....qualcomm.com,
        Jingyi Wang <jingyi.wang@....qualcomm.com>,
        Atiya Kailany <atiya.kailany@....qualcomm.com>
Subject: Re: [PATCH v6 1/5] media: dt-bindings: Add CAMSS device for Kaanapali

On 11/18/25 7:25 PM, Vijay Kumar Tumati wrote:
> 
> On 11/18/2025 7:00 AM, Bryan O'Donoghue wrote:
>> On 14/11/2025 03:29, Hangxiang Ma wrote:
>>> +                  <0x0 0x0900e000 0x0 0x1000>,
>>
>> Why aren't you starting @ 0x0900e000 ? seems to be omitting some of the registers in the ICP block. Should start at +0xd000 not +0xe000 ?
>>
>>> +                  <0x0 0x0902e000 0x0 0x1000>,
>>
>> Same here.
> Hi Bryan, HLOS does not have access to those registers. They are configured by the Hyp.

If that's hyp, please add them. We already have platforms without
Gunyah. Remember, bindings are defined once and for good and I wouldn't
call it impossible that someone would want to run that configuration on
Kaanapali some day

Konrad