Re: [PATCH v9 00/21] media: i2c: add Maxim GMSL2/3 serializer and deserializer drivers
From: Ceclan Dumitru
Date: Wed Apr 01 2026 - 01:57:33 EST
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
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> From 36936732c6ecd599f1a26744bef3031e41194229 Mon Sep 17 00:00:00 2001
> From: Vivekananda Dayananda <vivekana@xxxxxxx>
> 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 <vivekana@xxxxxxx>
> ---
[...]
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.