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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cy8ylQ8v; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F112606A320; Thu, 29 Oct 2026 09:57:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cy8ylQ8v Received: by smtp.kernel.org (Postfix) with ESMTPSA id C32301F031E1; Thu, 29 Oct 2026 09:57:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793267834; bh=YmRNAxJyESE0wnkrH6TNuhWwf1OgBNeC7IIYTZSjnoc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=cy8ylQ8v4phJB4hT+VhHaRbMuQJj1trYWzmGrogeRwpFbbV9XhMq/T/5Ny70VWoDp Ix8hAUY0gIhzvykVQwFo/mLWpnw7l7YWJusqwWWmbdPcij7ukHsAUXAHEQnwRqgLj0 XeUzAcqVBzG/Dt7yw2iRJE/yt/sDa1Scc5iy1yh398uT8vkPKKgBBSMYwO+QRw+gVS ALp6EZfns8A5kA9g5AYeiVM06za+BSKwVmeg4QO3/ZhfPFeriOu/elHIUxPflZT8PA 54CvwuRWJ4/JzQ+8kVbIeZl3O1A9AtbLrwKO3YTBqNC78jBPTo8Dtvy65G9tySlCRQ kT47aoNiIFOBg== Message-ID: Date: Thu, 29 Oct 2026 09:57:08 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/3] dt-bindings: clock: qcom,camcc-sm8250: add interconnect provider To: Dmitry Baryshkov Cc: Atanas Filipov , Krzysztof Kozlowski , Bjorn Andersson , Michael Turquette , Stephen Boyd , Konrad Dybcio , Georgi Djakov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Abel Vesa , Jonathan Marek , Konrad Dybcio , Gjorgji Rosikopulos , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261016170701.1504338-1-atanas.filipov@oss.qualcomm.com> <20261016170701.1504338-2-atanas.filipov@oss.qualcomm.com> <20261020-bloodhound-of-remarkable-debate-11afe3@quoll> <7ca815b3-4712-42e4-996d-4a1e53cad492@oss.qualcomm.com> <20261028181040.3515955-1-atanas.filipov@oss.qualcomm.com> From: Bryan O'Donoghue Content-Language: en-GB Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 29/10/2026 01:50, Dmitry Baryshkov wrote: > From my PoV, CAMNOX_AXI, is just the same NoC clock, just not being > wired through RPM/RPMh. From this point of view the clock can be > described as as an interconnect, it gives correct abstraction: no matter > how the camera blocks are connected or how the connection between them > is managed in hardware / firmware / clock devices, there is a bus (aka > interconnect) between those camera blocks. If at some point the clock > becomes managed by RPMh, it won't (significantly) change the hardware > description yeah I think it should be an icc provider - perhaps interconnect nodes make sense, not for one clock but for a number of clocks and components in the system JPEG, ICP voting on the bandwidth/clocks. TBH my point here is more we need to soak up the CPAs clock logic in an putative cpas_icc_set() routine since I'm... as sure as I can be that icc_set_bw() on its own and CCF can't really capture that logic. --- bod