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Fri, 27 Jun 2025 03:52:24 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 55R3qNKa023629 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 27 Jun 2025 03:52:23 GMT Received: from [10.217.217.109] (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Thu, 26 Jun 2025 20:52:19 -0700 Message-ID: <2b29ae78-e4a0-4d25-a694-abb10883086d@quicinc.com> Date: Fri, 27 Jun 2025 09:22:13 +0530 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 v4 2/2] arm64: dts: qcom: qcs615: Add CPU scaling clock node To: Dmitry Baryshkov CC: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ajit Pandey , Imran Shaik , "Jagadeesh Kona" , , , References: <20250625-qcs615-mm-cpu-dt-v4-v4-0-9ca880c53560@quicinc.com> <20250625-qcs615-mm-cpu-dt-v4-v4-2-9ca880c53560@quicinc.com> Content-Language: en-US From: Taniya Das In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: XoZjffqjWohu2Ehsc8x766svlliaEezw X-Proofpoint-ORIG-GUID: XoZjffqjWohu2Ehsc8x766svlliaEezw X-Authority-Analysis: v=2.4 cv=J+eq7BnS c=1 sm=1 tr=0 ts=685e1578 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=COk6AnOGAAAA:8 a=wECTHmSFBrqOf3EFGEoA:9 a=QEXdDO2ut3YA:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI3MDAyNyBTYWx0ZWRfX0W68a1hK01Ai 2YjcPf3iiQd61XLDOfQG3JXdAeeXG2w3WosFgRhdrAwLLkuq0QZEmf7emKNxkeiYNUijoXgPzrs qnufuyDg89Y4vN3qmM6kOfg0ZlG+nfPmccccA8uKBpWRL94VX5SpLSCIHncP/k/VN0lkmEsmFVm NaGFDS+BzJ09jn5VDt3lfwTGgraMCf+IBeidtkAshU1uG2IFD+F2h76CJzYly+Zd97AyRxhszZ4 2YM3CEBjvD8e6huG2uKWtgGeHMrmOG6s6MDaWksm8CQ0KBkMN8jHdxFVjo1bBYhtVXMDRRdLIdY qwmn/y/GAtNhr7Y0BvkLzZ1lX5VFLBzzWK7nzXvehwZQjJxhnIo9UcziJOWV8NnquF9Oa/r1RGv Qv6dzWbMTlT3e5JkyAqSwlq8IWX7RIh24aX1oAxZ+yTsZIlJ1MyNaBqbnk1GZiyPbJuEWd/U X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-27_01,2025-06-26_05,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=870 adultscore=0 impostorscore=0 clxscore=1015 spamscore=0 malwarescore=0 phishscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506270027 On 6/25/2025 5:06 PM, Dmitry Baryshkov wrote: > On Wed, Jun 25, 2025 at 04:44:01PM +0530, Taniya Das wrote: >> Add cpufreq-hw node to support CPU frequency scaling. >> >> Signed-off-by: Taniya Das >> --- >> arch/arm64/boot/dts/qcom/qcs615.dtsi | 29 +++++++++++++++++++++++++++++ >> 1 file changed, 29 insertions(+) >> >> @@ -3891,6 +3907,19 @@ glink_edge: glink-edge { >> qcom,remote-pid = <2>; >> }; >> }; >> + >> + cpufreq_hw: cpufreq@18323000 { >> + compatible = "qcom,sc7180-cpufreq-hw", "qcom,cpufreq-hw"; > > Why? Other platforms use a true SoC as the first entry. > Dmitry, from cpufreq-hw perspective SC7180 is a exact match for QCS615 and that was the reason to use the same. >> + reg = <0 0x18323000 0 0x1400>, <0 0x18325800 0 0x1400>; >> + reg-names = "freq-domain0", "freq-domain1"; >> + >> + clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>; >> + clock-names = "xo", "alternate"; >> + >> + #freq-domain-cells = <1>; >> + #clock-cells = <1>; >> + }; >> + >> }; >> >> arch_timer: timer { >> >> -- >> 2.34.1 >> >