From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10816219FC; Mon, 22 Dec 2025 10:46:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766400407; cv=none; b=KhuAtoHSx5KTBAWENT0ErJTE5BknUxKz29fFQvBeZsXV0zJ+fwo4MZxpDV3CLnykCHspxLW+k94hd1hjkmAs5WhZP07/KIsgAnnN5xcrGgeoOls2spbUNBSd92oOQ6QhJBIn3tzEq4+xNIe+SGA9A0+w17cumOG1Q0EAqQNuUYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766400407; c=relaxed/simple; bh=RdzLGMafBat0IP/kahOkNlKOQ7xkrlkxZrPqkq1Y0F0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fQPZOuHwtJexHvSsaU7ZFJnrf4EIQb1Kajeft+BWbyia1UzJmP0m0EGVzdy2upNclEwpgAJC/4DGIA0ItcfQiGpawPzYqeB5arVa13UMURltMS7OdRmVaPy3UymUz8Ej+Ad2HxC0VlSAJdOcFiVGeRUsH2nM9AXNCDvR7KkQGT0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=P9ag6DBD; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="P9ag6DBD" Received: from [192.168.88.20] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id CA2173C8; Mon, 22 Dec 2025 11:46:32 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1766400393; bh=RdzLGMafBat0IP/kahOkNlKOQ7xkrlkxZrPqkq1Y0F0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=P9ag6DBDTyRiT//M2+Z0Ur7tYkpUEoCVvW3Y/I7eJ4xC7+DWdKdggV3FH8t9/UrQ6 TIviuKnYahVSOg02siYwO72fWsfK4w1dA54gEaMaf3NFgbsMg6nrSv8UgxybmraCrd RBrgI3NYgVQfuTDpYlVzJV+h8aXYCnjFo5lzbVHE= Message-ID: Date: Mon, 22 Dec 2025 12:46:40 +0200 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 V3 4/4] media: i2c: ds90ub960: Add support for DS90UB954-Q1 To: Yemike Abhilash Chandra , mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, hverkuil@xs4all.nl, sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com Cc: hansg@kernel.org, mehdi.djait@linux.intel.com, ribalda@chromium.org, git@apitzsch.eu, vladimir.zapolskiy@linaro.org, benjamin.mugnier@foss.st.com, dongcheng.yan@intel.com, u-kumar1@ti.com, jai.luthra@linux.dev, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251219122955.2078270-1-y-abhilashchandra@ti.com> <20251219122955.2078270-5-y-abhilashchandra@ti.com> From: Tomi Valkeinen Content-Language: en-US Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 19/12/2025 14:29, Yemike Abhilash Chandra wrote: > DS90UB954-Q1 is an FPDLink-III deserializer that is mostly register > compatible with DS90UB960-Q1. The main difference is that it supports half > of the RX and TX ports, i.e. 2x FPDLink RX ports and 1x CSI TX port. > > A couple of differences are between the status registers and the > strobe setting registers. Hence accommodate these differences in > the UB960 driver so that we can reuse a large part of the existing code. > > Link: https://www.ti.com/lit/gpn/ds90ub954-q1 > Signed-off-by: Yemike Abhilash Chandra > --- > Changelog: > Changes in v3: > - Remove redundant reads and writes to the same register. (Tomi) > - Correct the bit positions for data delay in set_strobe_pos for UB954. (Tomi) > - Address a few minor nitpicks in code comments. (Tomi) > > drivers/media/i2c/Kconfig | 4 +- > drivers/media/i2c/ds90ub960.c | 182 ++++++++++++++++++++++++---------- > 2 files changed, 129 insertions(+), 57 deletions(-) Reviewed-by: Tomi Valkeinen Tomi