From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 91F0D38F232; Thu, 26 Feb 2026 09:59:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772099994; cv=none; b=nS0OuRa/E3FxtIbgdhbDujlwelsli2wyUQrukbigs3d9YPmqRdzXpVB+GSNclGc8jW1UHfcazzl2M5YMqM+uhmki6xitLhxIDH5imKgBPVWCugiyyJenfQuJIf0MlLWqD36ZZdoGRpPTrT/GJ3jvtQFM1J7tMJ3ITMn26SnukGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772099994; c=relaxed/simple; bh=dxE97f4xkDOBn1ABj1RxP6net+K6aNqE7aE/gcrHZ/Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KVkFGSKrPxPdNjTfX3n9z49w/w3RZ5IqYFBbakAdpxC2/FtqJNNREX1nUiNBjbP3RVlZA+SGu+0hmqwryefwnCBZ69xYnqkPVClqgDaS/2iOn+SCvTA8RegCTVaGOTEFTqrKDqLgl4cOQjzeJVHEd6Jnnw4+SLbGzmxovoDoVn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EWPkJX0Z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EWPkJX0Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3DC6C19422; Thu, 26 Feb 2026 09:59:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772099994; bh=dxE97f4xkDOBn1ABj1RxP6net+K6aNqE7aE/gcrHZ/Y=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=EWPkJX0ZQbcL0pxtd68lLtYeul9RykUK9JkiB4/34qsSvL1JupzsLiP9t8XL6mJRp epUUWydyKASmtUy90HQpsE55/RSmcZxvveZ6ilkaevAV19lOIHErAisDBb3/UKJvkl ICXLD7npGCAOZWndA8gyTnDYS3v0YhUaIL4H14XC3DB3W9BjQj8mNHmripYfmv4JrP 1yXagjAbeKUV+qzHi7fdn5rkP67lOeIwLULTJnWBaZlNzdtw830OqInSp6ZRIueB5I R2iPI5ombYppdzn6LiXdBbtBk1ttoS+yoFiOPnSwTofoGvC8OBkTQma1nd/a9EQ0BV uYd4TP/XeHmwg== Message-ID: <033dcec7-edf0-4c3b-a6ce-14a61d0a0b24@kernel.org> Date: Thu, 26 Feb 2026 10:59:49 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND v2 1/5] media: dt-bindings: Add CAMSS device for SM8750 To: Hangxiang Ma , Robert Foss , Todor Tomov , Vladimir Zapolskiy , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan O'Donoghue Cc: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, jeyaprakash.soundrapandian@oss.qualcomm.com, Vijay Kumar Tumati References: <20260119-add-support-for-camss-on-sm8750-v2-0-3e06583a0a81@oss.qualcomm.com> <20260119-add-support-for-camss-on-sm8750-v2-1-3e06583a0a81@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/01/2026 07:42, Hangxiang Ma wrote: > Add bindings for Camera Subsystem (CAMSS) on the Qualcomm SM8750 platform. > > The SM8750 platform provides: > > - 3 x VFE (Video Front End), 5 RDI per VFE > - 2 x VFE Lite, 4 RDI per VFE Lite > - 3 x CSID (CSI Decoder) > - 2 x CSID Lite > - 6 x CSIPHY (CSI Physical Layer) > - 2 x ICP (Image Control Processor) > - 1 x IPE (Image Processing Engine) > - 2 x JPEG DMA & Downscaler > - 2 x JPEG Encoder > - 1 x OFE (Offline Front End) > - 5 x RT CDM (Camera Data Mover) > - 3 x TPG (Test Pattern Generator) > > Reviewed-by: Bryan O'Donoghue > Signed-off-by: Hangxiang Ma > --- > .../bindings/media/qcom,sm8750-camss.yaml | 663 +++++++++++++++++++++ > 1 file changed, 663 insertions(+) Same comment as here: https://lore.kernel.org/r/7927bdab-9c3b-460d-a2ba-2e5b06ee8804@kernel.org/ Pasting for reference: Just to be clear, because Bryan posted now x1e80100 camss patches changing ABI. I was holding this patchset for camss/media maintainers to come up with driver and any other necessary pieces (like guidance for bindings) support for split CSI PHY. Finally after long time I gave up and gave these bindings green light. Additionally there is some claim that there is policy allowing to change bindings. No. There is no change of bindings with few exceptions. Decide now what bindings you want to have. One single node or split CSI PHY, because you cannot take the first option but then six months later send complete revamp of the ABI. So please decide and answer, e.g. by taking this patch, that you understand above and THIS will be your fixed ABI. Best regards, Krzysztof