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 68C714772BF; Tue, 29 Sep 2026 08:39:38 +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=1790671179; cv=none; b=qWqm9h106BeiusAVvbtqr5I5CJRkepdLFCn0AIBK9PP5bxRIgjpdtVLsI6BnpkL5mozyLMGKbUIifI2+nCjPcYbs7WLKywjza9QbfwL2q/BZM3+UiZSiR72EJcLSedF1YKR02Td2VRsKG61JQOB0TG4IPftGY5c4MkGKI23Wb3A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790671179; c=relaxed/simple; bh=9XLVLnpAd04sheys1cEFbNRxuH25X5RyWkhQaJt/wZw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aJw7xr3iT/2ltKwk7LoL+EX0KPTrO4oiyPhsp/PbsB8D4l91GPDbyHH0FyhsgT45g00ZpbvnHNIc+ms3L+dhNGdW7txoLK6AMcOoM7qGTgcZwrWejsgzhEWlApRKs8aREuGpqs3pFvBmEYFUnCA9mlS78kJHnPBq4w9Il7Gv0dc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Imd8QD70; 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="Imd8QD70" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 500C71F000FF; Tue, 29 Sep 2026 08:39:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790671178; bh=APDT/Ge7NyqJm0LUEW4MYf/ImZiM+AqEbii4Z4M87Zc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Imd8QD70VLom82XyvrlV2U0dHQnHRjGOV7ix+4uE8cEUrr0obacbMCo8eJgn/fhVS L3oVS8OuztmV/SF00n1dG94dzumISFWsr+t875TzEeepJWgSXDAcvQmFGt/akTvu6E JeA+kKd0HtLXpe80LOvKyEU6bFPWrhE6UDGyTEvUi/lj9Z96JW8GpXhBZUq1LxSkcz mWurn+2V4ps4NyVKxqqj223uzkFK8lWkD+V+3To7+JJzpCl0dXoyJwstTqGsa8x8qH Q59kIplYv9lqLWJ5/jVVChT0NUOk8cCXFafvlP6y0qUTMgGMXk6SeoaMmFeltnNMWy KyWHDBLfBw0uw== Message-ID: <8df7fdb2-813c-402c-99c0-9de6b0dbcd0e@kernel.org> Date: Tue, 29 Sep 2026 09:39:33 +0100 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 v2 0/3] Add Qualcomm CAMNOC ICC provider To: Atanas Filipov , Georgi Djakov , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov , Gjorgji Rosikopulos References: <20260819093211.1436275-1-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 19/08/2026 10:32, Atanas Filipov wrote: > This series adds a device tree binding and driver for the Qualcomm > Camera Network-on-Chip (CAMNOC) interconnect provider for SM8250. > > CAMNOC is the internal AXI interconnect within the camera subsystem. > Multiple camera sub-devices (IFE, JPEG, BPS, IPE, etc.) share > CAM_CC_CAMNOC_AXI_CLK. Direct clk_set_rate() calls from each consumer > cause a last-writer-wins race. This series introduces a lightweight ICC > provider that aggregates bandwidth votes from all consumers and applies > a single clk_set_rate() call. > > Changes since v1: > - dt-bindings: add all SM8250 CAMNOC master port IDs to qcom,camnoc.h > (IFE 0/1, IFE Lite 0-4, BPS, IPE 0/1, JPEG, JPEG DMA, CDM, FD, SBI, > ICP) with a short comment per group (Dmitry Baryshkov) > - dt-bindings: add IFE simple consumer example alongside the JPEG > OPP-based example; clarify opp-hz and opp-peak-kBps semantics in > comments; fix maintainer email; align provider node name with DTS > - driver: register all SM8250 CAMNOC master nodes > > Atanas Filipov (3): > dt-bindings: interconnect: Add Qualcomm CAMNOC ICC binding > interconnect: qcom: Add CAMNOC interconnect provider driver > arm64: dts: qcom: sm8250: Add CAMNOC ICC provider node > > .../bindings/interconnect/qcom,camnoc.yaml | 124 ++++++++ > arch/arm64/boot/dts/qcom/sm8250.dtsi | 8 + > drivers/interconnect/qcom/Kconfig | 10 + > drivers/interconnect/qcom/Makefile | 2 + > drivers/interconnect/qcom/qcom-camnoc.c | 279 ++++++++++++++++++ > .../dt-bindings/interconnect/qcom,camnoc.h | 52 ++++ > 6 files changed, 475 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,camnoc.yaml > create mode 100644 drivers/interconnect/qcom/qcom-camnoc.c > create mode 100644 include/dt-bindings/interconnect/qcom,camnoc.h > > > base-commit: 9e970952a9503d6ab471a2fea4c10b6a2785406f > -- > 2.34.1 > > I'd like to see the code for actually _using_ this in CAMSS, seems a bit incomplete without that part. --- bod