From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 2C78747ACC0 for ; Thu, 3 Sep 2026 11:55:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788436517; cv=none; b=elgqD9bNbqukS2Km0fvGzC7Pd2R94Cz6NByWu1+SIFeWxyiMLjB/KMj20sfqXqBYRuX+cctQN+DEbxCggn8DAaic3cDpfSI7Q0v1fRZl0jVZ8yZknyPTKuCcPKLX/truuoWKJrDOxogaa1NzjVR/kzp7dv3zmxr7fml427utzDo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788436517; c=relaxed/simple; bh=HE+3NgHU+iqphVmzJvVd/qUCV7WGbAwNsOGOo1O+UOs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=qHiF1CCwjP1aTeC9unYhoqDrfEG7x+2gDFiq1hPZEsbNps9wSim3evUQI+y+u5bv0Iaiy8RMWb8sV3tvzk2ngnZMtsbZuOUUvi2wkgEV6jm2L5EuOFINwKaXP1YxgwwjhAjx0stbcPXf/4rSVsS11Yu0X1/z/zJxs4Wv0ympGcY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=O+9TsFqG; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=NdiHivbj; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="O+9TsFqG"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="NdiHivbj" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 683AHASY440122 for ; Thu, 3 Sep 2026 11:55:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= HE+3NgHU+iqphVmzJvVd/qUCV7WGbAwNsOGOo1O+UOs=; b=O+9TsFqGE6k363JD 9dCl5iUaVqdw+Uclh1Y9mEV2kw5QjIsYEQHsfBNouNDUqBNanKxnvoO4qvURVb6Y tweP7l2SckV3qIF14Dg0GXiNhkLRxRXd3yr/3jdr1ZrFuFb8Y5UX1OloNRpOU37K H3GP4s1mYIa6oARjHZZFEf/wrUYXYggLVmkZYCRVfJQ7EyHzUmzby4kHAksf9HQC qUhjWwtipBC9lBFl8PV3lOtDCmrTLMwgsW18Y8QeZ7MWpQr1cUKTx65o3cD95G+b T5yMZ1QreIlqU1Aock/D31wolgVAx35NBhkL/P51lC5faZTW26HmOnIVcyoEqHUN EsnO+w== Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gf6p70eqh-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 03 Sep 2026 11:55:11 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-92eebb130dcso54409085a.1 for ; Thu, 03 Sep 2026 04:55:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1788436511; x=1789041311; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=HE+3NgHU+iqphVmzJvVd/qUCV7WGbAwNsOGOo1O+UOs=; b=NdiHivbj4d7vqy8EIhZVv5+1etzmuImHPH2wiTt9O+95O5QBt63FErV+9MQJHvvKuW z9++AwvCppxW2W1XTgdj0iMCAgm0lRA14OLVVjNBnm5KvXmMstOs/l1YgnqeOof70x7W 15i+8OeHKjmEzbk3myxoQmNJ+FjI5SM2I/gs95+190q9FeRpx19h6L7RgoTk9kVWI7wm UIOycGXKHMZRVlltetM5fiDuaZ+2tOWoMTCxSDTQnWmSKOxHNP5dt6oSnnr9euWPt6bn 0P2HUaTDNCjZjO3APxBwrmwgNId4MKx8RQI27m5AkfuLrd0pYgwZuy8ogm6sDLeQHA/J MWsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788436511; x=1789041311; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=HE+3NgHU+iqphVmzJvVd/qUCV7WGbAwNsOGOo1O+UOs=; b=MqyiC+yEauZi3PiWQutKkOpaIQ1fj2GkoP+AHt4SfFcuWhoVUe57YJCRgTSW+JVOgU eOURHQUNLh9UNzw4kcjwJvotFzRQl2awn6fA3U/gXoNOU+UGIGF2EkhBtUOAICc6Mpzz CA/37EtwCuhcPDTZy7XYnYqcLnZabyXUrvBTUiicbA3enmY1eyx7YgIW+6DvA791TWyV B5q3K9w3urnzFJn2QzwsXlI4qF7oPhjd1Fp2MtcEjRNqdvs6GXGMkOEAC3oa2P8pXyM9 LmA66BOInPZ510tOQxLvsyJwXBXj6reI4dMJDK2umV0jVo2cWBr+NW04j+wtAjOlJBkj AI4A== X-Forwarded-Encrypted: i=1; AKwUvBy8pTfjbdhsZ/GsWeMvwNbm5SNkDjZboXPWcJqUavmGCvD57koGxPfk4JIGah4lzWjGZPQqR+mB3pA=@vger.kernel.org X-Gm-Message-State: AFuF++mvNTCz0z7/B8alQsk1mgJDXV/xxq5AwsxLQCDJsZ+u+xRicArq hljYX/a3k1UOEafzyGgR761WYI0RRjtEGLpGX55P4VIRzV0xhnFRTR+iG3CQwSZcqC/0Gp5yRCP WdkUI5dj3X/7Z2XKidtg/u6qd3Uo6bUZcGFH47oH6i6j9qzYjPHt3roAJMWtehv4= X-Gm-Gg: AYBFou3MpB4youA9n9M6IrKJSYMewTQDRLVd8CDa4UlEvcvAf/5lydo3BoptOp9cMQb pW32qiGl6wnPrbT4873lZek49UujtJkMJhhcGxC/NRT7YXt+TtsIzBp/qBrwabtFaGgBxmTS++j RIVkzlh/dcze7/8+3uGVkEGruu2dS0+veIrVJnz3dRyvf0zukliz0MPZVGTMcxxwgzSOE0jVg5o D+3Hw8sb2kVdkNfkvWRAJHqGox2X2mlTCv9Gf0Z8CBIU9E0ogewKyA7PHZ1dvTUmPuvQayZcvKF upnCrJ4dIOahVOG0mGmNsGF8XlZk32zqpJk3Kj28O2su7VUoVIplqpnRFnxyWpTyKlz1NjU9Dxu mUJ5A2BrUdgMksHHcCeXgyw== X-Received: by 2002:a05:620a:458a:b0:939:4b2b:b831 with SMTP id af79cd13be357-93960f5b7dbmr848199585a.3.1788436510847; Thu, 03 Sep 2026 04:55:10 -0700 (PDT) X-Received: by 2002:a05:620a:458a:b0:939:4b2b:b831 with SMTP id af79cd13be357-93960f5b7dbmr848193585a.3.1788436510224; Thu, 03 Sep 2026 04:55:10 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c25f424528esm88150666b.59.2026.09.03.04.55.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Sep 2026 04:55:09 -0700 (PDT) Message-ID: <219ad037-ff37-40fa-babd-21276ff23f50@oss.qualcomm.com> Date: Thu, 3 Sep 2026 13:55:06 +0200 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 04/12] clk: qcom: ipq-cmn-pll: Register CMN PLL /2 clock To: Luo Jie , Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, quic_kkumarcs@quicinc.com, quic_linchen@quicinc.com, quic_leiwei@quicinc.com, quic_suruchia@quicinc.com References: <20260814-qcom_ipq5210_cmnpll-v3-0-21c3db378611@oss.qualcomm.com> <20260814-qcom_ipq5210_cmnpll-v3-4-21c3db378611@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260814-qcom_ipq5210_cmnpll-v3-4-21c3db378611@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: oDyow_RXr9Il7RcgdhEKYPHOiWudm7VM X-Proofpoint-ORIG-GUID: oDyow_RXr9Il7RcgdhEKYPHOiWudm7VM X-Authority-Analysis: v=2.4 cv=OZyoyBTY c=1 sm=1 tr=0 ts=6a99601f cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=zIksogJa38HEA0Sl8gkA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDEwMyBTYWx0ZWRfXx3l+n30GwX2x oD6yX71fRF045EYuHFYwm6D41YfJFO6wrb1NInZOJquBJryguPvPPpd22Z+zZZcp2MLfvhI5USY f2UDP+edUZyfsyHsZQyPNxmQMuanFkA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDEwMyBTYWx0ZWRfX8e3V++ARtm0K vVD1fX4qoS37vuMynEkXDRkCtNBgQEx4rBVvZNuFjBnjpPXDw+FyceoUjfwISj18DI35h45B0f6 PbZqHTi/0XRU6uRe4gcTX2dnByT+Fcsc1aL6aaFC5lkp20OLRfVJTnprV5Q/r2459PjEErmbHsK ljCWamcKgE++j0XimT4drYQ/BrhX7VsNln+wLN1rV9GOEhpMHSfq1z9pQCqFGhPR2KKrIWZYyJ9 cJjqDCUncogqHD/uo7Ty0D32eKve2A24kzVmUU8TflJVXut2ePdulQWkJJALPteXrvNIFsoqd9Q yydYy6fkQEl7dAqBXQL0JcpnMVAOyj2/isAJtAjm09xw0Cggzt6wiwd5C8HOJ7p0TOuDcp+Iq3X Qt9EVj5cQvHF3oY65lL6jUBDH7+oY6w8pMx8Vg3mNlJ5MtQ/hyFOmVDpVRdO0c4DED/zJVCfFdI 46VQubkxzMp3v/7jp3A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-03_03,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 impostorscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609030103 On 8/14/26 2:48 PM, Luo Jie wrote: > Most CMN PLL output clocks are derived from the 12 GHz PLL output > through a shared, physical /2 stage, ahead of any further per-clock > processing: a gated fixed rate (PCS/ETH0/ETH1/ETH2/EPHY/ETH), a > configurable divider (NSS/PPE/PON), or a rate-select bit (EPHY-RAW). > This /2 stage is present in the CMN PLL block on every SoC supported > by this driver, not just IPQ5210. I'm not sure how the mention of IPQ5210 here is significant Konrad