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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: devicetree@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: gAlxhzLkDJM8qvECDpVbdnnbXszhp82e X-Authority-Analysis: v=2.4 cv=TqjWQjXh c=1 sm=1 tr=0 ts=6a99601f cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=zIksogJa38HEA0Sl8gkA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: gAlxhzLkDJM8qvECDpVbdnnbXszhp82e X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDEwMyBTYWx0ZWRfX+7WULHIi0wQy U/AC9KIawcB/T7Cl9VIIXDQtz/Wko9CNP+cDZYMfU2blNOqU816WSjZIUPxDan0zOFORJR490Mc Ak/mNU/n2bZJnU8DDFAlRNi63jSXlMfFUjUrrrqL/BxASNntHoSZfMNuh8qXiIXcFVs+gl+zIX2 gp314aMvZt7MA28yejsf4NU/2Rv6j0D+qAsL6MZV3+R1vIgEzCxzve9rDYyPRk8hWbOsR0Ij9Vf d9EkfhyT8OAAohgSDk12hbJn0eKsr3Gffl/25ounbaX3/7EEZNo/BrjSShqDs8F7V7Ws9p9rqaw 8KYtXrS/o+Z1HTqZtRJ4+InngPy18iq0huO+x9IOeCmNEr+39SvBwr83mlvwTISakXnXc0yAeuy XztfpR35hb3Tvtkj1U/qFheV7r5A+/9yRVvnjW+pII1MRhD0NgPvQYoyUsaxdF/59axdlGZMOz4 XTq1XpSA7jW/MDxpiQA== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDEwMyBTYWx0ZWRfX+Mn3LqHQG4ZK 5VWslJNK7P/2REXQu3VtjnqVo38QvcIbJAFRphs52IidxJ15BJjiEAWd4wkFkWbAG3WSr50KNq1 TdCXCfSLqSjFdCSFGnRWiajbVNVtvlk= 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 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 malwarescore=0 spamscore=0 priorityscore=1501 bulkscore=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