From: Bryan O'Donoghue <bod@kernel.org>
To: David Heidelberg <david@ixit.cz>, Frank Li <Frank.li@oss.nxp.com>
Cc: Robert Foss <rfoss@kernel.org>, Todor Tomov <todor.too@gmail.com>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Luca Weiss <luca.weiss@fairphone.com>,
Petr Hodina <phodina@protonmail.com>,
"Dr. Git" <drgitx@gmail.com>, Cory Keitz <ckeitz@amazon.com>,
Loic Poulain <loic.poulain@oss.qualcomm.com>,
Hans Verkuil <hverkuil@kernel.org>,
Nihal Kumar Gupta <nihal.gupta@oss.qualcomm.com>,
Frank Li <Frank.Li@nxp.com>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Kieran Bingham <kbingham@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org
Subject: Re: [PATCH RESEND v9 6/9] media: qcom: camss: csiphy-3ph: Add Gen2 v1.1 MIPI CSI-2 C-PHY init
Date: Thu, 30 Jul 2026 10:31:01 +0100 [thread overview]
Message-ID: <635b1d39-636f-4aa0-8194-c3aa2b69edb2@kernel.org> (raw)
In-Reply-To: <3648ba47-fa2a-4e2d-a3f2-040cd9568ace@ixit.cz>
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
next prev parent reply other threads:[~2026-07-30 9:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-29 20:19 [PATCH RESEND v9 0/9] media: camss: Add support for C-PHY configuration on Qualcomm platforms David Heidelberg via B4 Relay
2026-07-29 20:19 ` [PATCH RESEND v9 1/9] media: qcom: camss: csiphy-3ph: Fix lane mask calculation David Heidelberg via B4 Relay
2026-07-29 21:26 ` Frank Li
2026-07-29 20:19 ` [PATCH RESEND v9 2/9] media: qcom: camss: csiphy: Introduce PHY configuration David Heidelberg via B4 Relay
2026-07-29 20:19 ` [PATCH RESEND v9 3/9] media: qcom: camss: csiphy-3ph: Use odd bits for configuring C-PHY lanes David Heidelberg via B4 Relay
2026-07-29 21:29 ` Frank Li
2026-07-29 20:19 ` [PATCH RESEND v9 4/9] media: qcom: camss: Prepare CSID for C-PHY support David Heidelberg via B4 Relay
2026-07-29 20:20 ` [PATCH RESEND v9 5/9] media: qcom: camss: Initialize lanes after lane configuration is available David Heidelberg via B4 Relay
2026-07-29 20:20 ` [PATCH RESEND v9 6/9] media: qcom: camss: csiphy-3ph: Add Gen2 v1.1 MIPI CSI-2 C-PHY init David Heidelberg via B4 Relay
2026-07-29 21:35 ` Frank Li
2026-07-30 9:15 ` David Heidelberg
2026-07-30 9:31 ` Bryan O'Donoghue [this message]
2026-07-30 9:48 ` David Heidelberg
2026-07-29 20:20 ` [PATCH RESEND v9 7/9] media: qcom: camss: csiphy-3ph: Update " David Heidelberg via B4 Relay
2026-07-29 21:37 ` Frank Li
2026-07-29 22:09 ` David Heidelberg
2026-07-30 10:55 ` Konrad Dybcio
2026-07-29 20:20 ` [PATCH RESEND v9 8/9] media: qcom: camss: Account for C-PHY when calculating link frequency David Heidelberg via B4 Relay
2026-07-29 21:41 ` Frank Li
2026-07-30 9:22 ` David Heidelberg
2026-07-29 20:20 ` [PATCH RESEND v9 9/9] media: qcom: camss: Enable C-PHY where available David Heidelberg via B4 Relay
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=635b1d39-636f-4aa0-8194-c3aa2b69edb2@kernel.org \
--to=bod@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=Frank.li@oss.nxp.com \
--cc=bryan.odonoghue@linaro.org \
--cc=ckeitz@amazon.com \
--cc=david@ixit.cz \
--cc=drgitx@gmail.com \
--cc=hverkuil@kernel.org \
--cc=kbingham@kernel.org \
--cc=konrad.dybcio@oss.qualcomm.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=loic.poulain@oss.qualcomm.com \
--cc=luca.weiss@fairphone.com \
--cc=mchehab@kernel.org \
--cc=nihal.gupta@oss.qualcomm.com \
--cc=phodina@protonmail.com \
--cc=phone-devel@vger.kernel.org \
--cc=rfoss@kernel.org \
--cc=sakari.ailus@linux.intel.com \
--cc=todor.too@gmail.com \
--cc=vladimir.zapolskiy@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®