From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AF005371899; Wed, 8 Jul 2026 21:21:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783545710; cv=none; b=nfdItxbw50iND3JbR3xpF6QUq90bFmBZPNEaa+1FYJQo72z5vG807CwPReiQba1/ZEJsSAj2PODweiYSRDiJ2P5yQlOqDer9zr96IqErPvX18YS/jpsyR9Umy5B2Cx1nxooA56zQysPkdhIJuVnyZ4utxn4sYVFeuAwTq11/VR0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783545710; c=relaxed/simple; bh=FLc6lJa0blijyZGmnuNxFGNVMvBPEdxs+/wUUWYbLcE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=lL3CwavM3MSwpTZQJNOGbfOSeaauABKjmuN++v8R4qdjHehC0luHTVqe0xs2Kw22KukIom21CBPqNTF2Y+HxoWfL4t0SVt8qP3vjdXTfjMlgNN0B4hAtzqx5KFSR37hsBZjXJrEZSsJEWQR9E1OGGsyPF06u8zGrqWG02L/rEto= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NoNy+n6y; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NoNy+n6y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36DC81F00A3A; Wed, 8 Jul 2026 21:21:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783545708; bh=eui37Vx1xu6JVhgSmO2/BwFhQk4xpqrRpfAVH+9sxmc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=NoNy+n6yF6ecxsKI/epGNS0JXqa625XHCKba5KV3cttFMlHkl7ZrmLbMW9Ji8sBo0 95MjF/WXZWDoBWbCn/lsYaToIoBx085Vmp0mywa0RbHvNtoJjQBBiaJ+Cia1Uk6ga5 wGDViTbPet9X0dFtX94nOBSazz1QVejoD5gT0RbbIAqDMTvn/bw9jPPB02Hq95fX/k u5fWx3fiQwbEfCeIo5pnHjInduTCAMXTfA/PW7cZ3uMJ2PHF4yO+E6YfVKcNfA8v1Z aToueVLVneRP7dvmtHp+4d+NycMAOc9/VoVVqkqYz8hHMCy5o9hTGixWJylztE6QpK VbFNdbJ4HwwTQ== Message-ID: <54ad9b8a-7596-4bc7-a1c3-7230cca21360@kernel.org> Date: Wed, 8 Jul 2026 22:21:43 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/5] Add Qualcomm JPEG V4L2 encoder for SM8250 To: Konrad Dybcio , Vladimir Zapolskiy , Atanas Filipov , linux-media@vger.kernel.org Cc: loic.poulain@oss.qualcomm.com, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Dmitry Baryshkov References: <20260706071113.383215-1-atanas.filipov@oss.qualcomm.com> <68e59764-5a10-4abc-849c-14ea2d9ef76e@linaro.org> <437d1eb0-4495-406a-9501-b0515cfa3151@linaro.org> <8116c54e-4050-4e9d-b236-59d74846bd57@linaro.org> <8a09875d-af5f-438b-b947-bc2b61219b70@oss.qualcomm.com> <8fc1ddfd-0f77-4b67-b9bd-33fbd60e2046@oss.qualcomm.com> From: Bryan O'Donoghue Content-Language: en-US Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 08/07/2026 13:19, Konrad Dybcio wrote: > On 7/7/26 12:41 PM, Bryan O'Donoghue wrote: >> On 07/07/2026 11:11, Konrad Dybcio wrote: >>> On 7/7/26 12:00 PM, Bryan O'Donoghue wrote: >>>> On 07/07/2026 10:24, Konrad Dybcio wrote: >>>>> On 7/6/26 3:37 PM, Bryan O'Donoghue wrote: >>>>>> On 06/07/2026 14:02, Vladimir Zapolskiy wrote: > [...] > >> OK, I can see how this thread is confusing. >> >> The idea is to start to declare sub-nodes "on the road" to making camss into a bus. The legacy binding we have is really for the IFE domain - that is CSIPHY, CSID, IFE. >> >> Right now the camss binding describes those things - so linking say OPE or JPEG back to the thing that describes those isn't right. >> >> OTOH we_want_ to make the top-level binding into a bus, we've discussed that several times. >> >> To transition from monolith IFE-domain only, to camss-bus, we should have the sub-nodes fully describe themselves as "camss-bus" doesn't exist yet. >> >> Once we have compat="camss-bus" then fine, make that linkage, I fully support that. >> >> That roadmap BTW is why I'm asking Antanas and Loic to make JPEG and OPE sub-nodes of camss - but make them complete sub-nodes - power-domains, clocks, nocs, including the TOP_GDSC. > I think this needlessly increases the amount of combinations we'll > have to keep supporting down the line (with a ton of compatibility > boilerplate code) > > Konrad Fine. Lets drop the bus idea then. I'm happy to close the conversation as peer-nodes. camss@{ existing CSID/IFE IFE SID stuff goes here power-domains = TITAN_TOP_GDSC, IFE_GDSC } csiphy @ { } jpeg@ { JPEG SID stuff goes here power-domains = TITAN_TOP_GDSC, JPEG_GDSC } camnoc@ { modelled as an ICC provider and consumed by } --- bod