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Tue, 31 Mar 2026 22:53:02 -0700 (PDT) Message-ID: <8e8acf76-2101-4566-ad09-ce32b6f51e94@gmail.com> Date: Wed, 1 Apr 2026 08:52:59 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 00/21] media: i2c: add Maxim GMSL2/3 serializer and deserializer drivers To: "Dayananda, Vivekananda" , "dumitru.ceclan@analog.com" , Tomi Valkeinen , Mauro Carvalho Chehab , Sakari Ailus , Laurent Pinchart , Julien Massot , Rob Herring , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , Greg Kroah-Hartman , Cosmin Tanislav Cc: "linux-media@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-staging@lists.linux.dev" , "linux-gpio@vger.kernel.org" , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , "martin.hecht@avnet.eu" , Tomi Valkeinen , Cosmin Tanislav , Cory Keitz References: <20260311-gmsl2-3_serdes-v9-0-41499f09004f@analog.com> <86a96690-1307-4a6f-8265-1d6d30ce6d6c@gmail.com> Content-Language: en-US From: Ceclan Dumitru In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/31/26 8:43 PM, Dayananda, Vivekananda wrote: > [Public] > > There is one other patch that is required in addition, which enables the remote-control channel links from port 1 using REG3. Adding the patch below > ---- > From 36936732c6ecd599f1a26744bef3031e41194229 Mon Sep 17 00:00:00 2001 > From: Vivekananda Dayananda > Date: Tue, 31 Mar 2026 08:12:20 -0700 > Subject: [PATCH] media: i2c: maxim-serdes: max96724: allow selecting CC port > > Add a DT property that lets platforms choose which control-channel port the MAX96724 exposes to the upstream I2C host. Document the new property for the MAX96724 compatibles and default to port 0 so existing device trees retain their behaviour. > > The driver caches the chosen port and reprograms register 0x03 after every reset, restoring control-channel access regardless of whether the deserializer was power-cycled. Boards that need to talk through port 1 can now opt in by setting "maxim,control-channel-port = <1>;" in the device tree. > > Signed-off-by: Vivekananda Dayananda > --- [...] Thank you, will be included in V10. I'll await first confirmation from Sakari that the failing v4l2 compliance tests do not make sense for serdes like I've considered.