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 C5252298CC4; Sat, 23 May 2026 02:19:54 +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=1779502795; cv=none; b=nfOSyHCuhIalw0NdHwF/NMf19BVEMLANIjcieZMtbd82ULx36t3P0/KCanS6c3W5UZEICLe12NIYL1nZxrtF88Jf02Mx+RerXntkxawpPsi7b8rmi41O5wk4S3pUAd1/s/xjF5vo2iIp1TghyfYVg1iuDmnbP3ia5BDjk6CM+ps= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779502795; c=relaxed/simple; bh=Jb1cgXT+m6qIvAxiKPlYy7OzW8pI8/acTYwcZKsEHx8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kYrPUf1WgwKdEHqNRF17CybK5emW8FS/NmOsOJEteCpDQotBgQh9yGV7F4jVlz+YSni5aqRDK6XWhw2nL7TF8q0hepV1r2cP3Mg5QijPaQFZyraSx0rOKK9lkkPhDJKPZcz87GHXNh2PAPQI3RnujukUIWlAC/wMtlHH/eV7xBA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZkxAT6Vj; 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="ZkxAT6Vj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DD831F000E9; Sat, 23 May 2026 02:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779502794; bh=JVGNEIcFBWgqs/FdAqSiZ9HCjBSKwe8iBDty/6CjCCQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ZkxAT6VjaOhMWRAPlaC4dFNisHa84ZoMZL/gVSC4VI9EF3DDfeNCJPlMN2HMtuSCa 7Ti8SY1qXj0C1qQOyUbYoxkAuR/gyO2qa6AXEIJY8XHP3e1tKxt90OZfLa9sOZtR93 Cq3MbYlAmpf/Q2dWAsa9nWP4vIcE9aspplb3nS8sjdajtxcKnrjr8CNTaZkVCSxwCa r5c7KGtcvzQhMkZFAzW9bhhfwkUjM9qda5v19JgPGua2lkPFIZY2RyPfsYeg38R+55 /ohGRiSYKyNMZAQaKqk5Xre542IKyG/1jn0sPmQyDz7F+S6oZBE159ydVaG+O//01z xEfoGypCJXSWg== Date: Fri, 22 May 2026 21:19:50 -0500 From: Bjorn Andersson To: Praveen Talari Cc: Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mukesh Kumar Savaliya , Viken Dadhaniya , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.andersson@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, konrad.dybcio@oss.qualcomm.com, prasad.sodagudi@oss.qualcomm.com, aniket.randive@oss.qualcomm.com, chandana.chiluveru@oss.qualcomm.com, jyothi.seerapu@oss.qualcomm.com, chiluka.harish@oss.qualcomm.com Subject: Re: [PATCH v6 00/13] Enable I2C on SA8255p Qualcomm platforms Message-ID: References: <20260227061544.1785978-1-praveen.talari@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260227061544.1785978-1-praveen.talari@oss.qualcomm.com> On Fri, Feb 27, 2026 at 11:45:31AM +0530, Praveen Talari wrote: > The Qualcomm automotive SA8255p SoC relies on firmware to configure > platform resources, including clocks, interconnects and TLMM. > The driver requests resources operations over SCMI using power > and performance protocols. > > The SCMI power protocol enables or disables resources like clocks, > interconnect paths, and TLMM (GPIOs) using runtime PM framework APIs, > such as resume/suspend, to control power states(on/off). > > The SCMI performance protocol manages I2C frequency, with each > frequency rate represented by a performance level. The driver uses > geni_se_set_perf_opp() API to request the desired frequency rate.. > > As part of geni_se_set_perf_opp(), the OPP for the requested frequency > is obtained using dev_pm_opp_find_freq_floor() and the performance > level is set using dev_pm_opp_set_opp(). > @Andi, I've merged the soc-patches through an immutable branch into the qcom-tree for 7.2, please find this at: https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git 20260227061544.1785978-1-praveen.talari@oss.qualcomm.com Regards, Bjorn > Praveen Talari (13): > soc: qcom: geni-se: Refactor geni_icc_get() and make qup-memory ICC > path optional > soc: qcom: geni-se: Add geni_icc_set_bw_ab() function > soc: qcom: geni-se: Introduce helper API for resource initialization > soc: qcom: geni-se: Handle core clk in geni_se_clks_off() and > geni_se_clks_on() > soc: qcom: geni-se: Add resources activation/deactivation helpers > soc: qcom: geni-se: Introduce helper API for attaching power domains > soc: qcom: geni-se: Introduce helper APIs for performance control > dt-bindings: i2c: Describe SA8255p > i2c: qcom-geni: Isolate serial engine setup > i2c: qcom-geni: Move resource initialization to separate function > i2c: qcom-geni: Use resources helper APIs in runtime PM functions > i2c: qcom-geni: Store of_device_id data in driver private struct > i2c: qcom-geni: Enable I2C on SA8255p Qualcomm platforms > --- > v3->v4 > - Added a new patch(4/13) to handle core clk as part of > geni_se_clks_off/on(). > > .../bindings/i2c/qcom,sa8255p-geni-i2c.yaml | 64 ++++ > drivers/i2c/busses/i2c-qcom-geni.c | 324 +++++++++--------- > drivers/soc/qcom/qcom-geni-se.c | 270 ++++++++++++++- > include/linux/soc/qcom/geni-se.h | 19 + > 4 files changed, 491 insertions(+), 186 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/qcom,sa8255p-geni-i2c.yaml > > > base-commit: 7d6661873f6b54c75195780a40d66bad3d482d8f > -- > 2.34.1 >