[PATCH v8 2/2] phy: qcom-mipi-csi2: Add a CSI2 MIPI DPHY driver

Vijay Kumar Tumati vijay.tumati at oss.qualcomm.com
Wed Jun 3 14:37:48 PDT 2026



On 6/3/2026 5:57 AM, Bryan O'Donoghue wrote:
> On 03/06/2026 13:40, Dmitry Baryshkov wrote:
>>> Are you sure about that ?
>> Yes.
>>
>>> ipcat I thought designated lane 7 specifically as clk-lane i.e. named it
>>> CLK_LN of some description.
>> Split configurations explicitly use other lanes for clocks. E.g. check
>> the RB5 Navigation schematics, CAM0B connector.
> 
> Can you please check:
> 
> CSI_3PHASE_COMMON.CSI_COMMON_CTRL5
> 
> 0 LN0_PWRDN_B Lane 0
> ...
> 7 LNCK_PWRDN_B Clock Lane
> 
> ... just a badly name field
> 
> CSI_2PHASE_CTRL10
> 
> Bit[2] = IS_CLKLANE
> 
> Right so CSI_2PHASE_CTRL10 controls lane mode, indeed. Thanks for checking.
I can check this with the HW team. Although the SWI has this knob, there 
may be some limitations to use any lane as the clk lane. AFAIK, only two 
specific lanes are clk capable in DPHY mode.>
> ---
> bod
> 

Thanks,
Vijay.



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