linux-kernel - Re: [PATCH 4/7] media: qcom: camss: csiphy: Add support for v2.3.0 two-phase CSIPHY

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Message-ID: <ece56115-12be-47f4-bb50-106a10aa5b42@oss.qualcomm.com>
Date: Tue, 6 Jan 2026 10:05:22 -0800
From: Vijay Kumar Tumati <vijay.tumati@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>
Cc: 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>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org,
        jeyaprakash.soundrapandian@....qualcomm.com
Subject: Re: [PATCH 4/7] media: qcom: camss: csiphy: Add support for v2.3.0
 two-phase CSIPHY


On 11/27/2025 12:14 AM, Krzysztof Kozlowski wrote:
> On Wed, Nov 26, 2025 at 01:38:37AM -0800, Hangxiang Ma wrote:
>> Add more detailed resource information for CSIPHY devices in the camss
>> driver along with the support for v2.3.0 in the 2 phase CSIPHY driver
>> that is responsible for the PHY lane register configuration, module
>> reset and interrupt handling.
>>
>> Additionally, generalize the struct name for the lane configuration that
>> had been added for Kaanapali and use it for SM8750 as well as they share
>> the settings.
>>
>> Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
>> ---
>>   .../platform/qcom/camss/camss-csiphy-3ph-1-0.c     |  11 ++-
>>   drivers/media/platform/qcom/camss/camss.c          | 107 +++++++++++++++++++++
>>   2 files changed, 114 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
>> index f9db7e195dfe..157e946f67db 100644
>> --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
>> +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
>> @@ -684,9 +684,9 @@ csiphy_lane_regs lane_regs_sm8650[] = {
>>   	{0x0c10, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
>>   };
>>   
>> -/* 3nm 2PH v 2.4.0 2p5Gbps 4 lane DPHY mode */
>> +/* 3nm 2PH v 2.3.0/2.4.0 2p5Gbps 4 lane DPHY mode */
>>   static const struct
>> -csiphy_lane_regs lane_regs_kaanapali[] = {
> There is no such line in next. Your cover letter does not explain
> dependencies.
Will do. Thanks.
>
>> +csiphy_lane_regs lane_regs_v_2_3[] = {
> Best regards,
> Krzysztof
>