Re: [PATCH RESEND v9 6/9] media: qcom: camss: csiphy-3ph: Add Gen2 v1.1 MIPI CSI-2 C-PHY init

Bryan O'Donoghue <[email protected]> Thu, 30 Jul 2026 10:31:01 +0100
Newsgroups org.kernel.vger.phone-devel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media
Message-ID <[email protected]>
On 30/07/2026 10:15, David Heidelberg wrote:
> On 29/07/2026 23:35, Frank Li wrote:
>> On Wed, Jul 29, 2026 at 10:20:01PM +0200, David Heidelberg wrote:
>>> Add a PHY configuration sequence for the sdm845 which uses a Qualcomm
>>> Gen 2 version 1.1 CSI-2 PHY.
>>>
>>> The PHY can be configured as two phase or three phase in C-PHY or D-PHY
>>> mode.
>> too much or, according to my understand D-PHY use 2 phase,  C-PHY use 3
>> phase?
>>
>> The PHY can be configured as two phase (D-PHY) or three phase (C-PHY) ?
> Yes, I'll address the wrong wording in the next version then 🙂

Can you look at what's required to convert to the new driver ?

I think some Linux plumbing to represent cphy v dphy to the phy 
subsystem might be nice, plus differentiating inside of the new driver 
and camss with media-graph used to find the PHY.

---
bod