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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e939fe502sm11052635eec.2.2026.09.24.00.33.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 00:33:12 -0700 (PDT) From: Shawn Guo To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Georgi Djakov , Bartosz Golaszewski , Zhangfei Gao , Pushpendra Singh , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski Subject: [PATCH v2 1/2] dt-bindings: interconnect: qcom-bwmon: add nord cpu-bwmon compatible Date: Thu, 24 Sep 2026 15:32:21 +0800 Message-ID: <20260924073222.1000666-2-shengchao.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924073222.1000666-1-shengchao.guo@oss.qualcomm.com> References: <20260924073222.1000666-1-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDAzMSBTYWx0ZWRfX0Av3cv6hpBFv wyFhdxW5c71fXjBtZ0yGBENUx499ZYpZdeajTqa28pb95lGBcDQ2ikEhXSkizSXJCwFFRhPu9lS JGPmwLBGKbhqht30hMVHmaI86IviWoM= X-Proofpoint-GUID: Fo7WvYDz1YDU3xOycAsrF-h30qaF2ySD X-Authority-Analysis: v=2.4 cv=RYMFmFtv c=1 sm=1 tr=0 ts=6ab4d23a cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=VwQbUJbxAAAA:8 a=0xkv8-iTUpmfRSWBdI0A:9 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDAzMSBTYWx0ZWRfXxsdJKfBKHR+p /h15PYx2Ytgn31IfMpn3d9J16CVMl4DdMum0R1mmCDnU8B9X/XADle5Y/AUcvfnp/2a4+4rFCHp ZRgb8jZE5BQJYF0zsmknoJO3d3wlawlh5f9QS0LJTxY6wmgLcFAjkKzvlf3ngnB2HOxmVZOhBqq Q2eMNg1o8XW2EZ63PUeaI7elKxEgIzKR1AQeBfHxrwSuwB3rkn5xj7zNE3/IGHCcdBHKE2ValFL KSf4O49fBpqLVkj0mO/sRa4/B2kNvz2pFQs2MqUq0kL3hdSWi13DucGkR13iArQLEon3P8a5wdX pm4xeEdVrSJkVHqvgcChItvvJKbAnKP702OiwD9tvUVNCdUJn6S8DJK9IyfFAFTQCsA9IJzJqyf dZlRzI48r9Gh8/KQ2Em7C45gWgaAhVKu+rbYn7JPqeFE55vS11XYk9x59W59YtBoa1Cg+uaUcW4 Jb8DonNLW9ZO42V+hKw== X-Proofpoint-ORIG-GUID: Fo7WvYDz1YDU3xOycAsrF-h30qaF2ySD 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=2026-09-24_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240031 Content-Type: text/plain; charset="utf-8" From: Zhangfei Gao Document the qcom,nord-cpu-bwmon fallback compatible used by the CPU bandwidth monitors on Nord. Signed-off-by: Zhangfei Gao Acked-by: Krzysztof Kozlowski Acked-by: Georgi Djakov Reviewed-by: Bartosz Golaszewski --- .../devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/interconnect/qcom,msm8998-bw= mon.yaml b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmo= n.yaml index f6969910bded..3db61c38e2e7 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml @@ -30,6 +30,7 @@ properties: - qcom,hawi-cpu-bwmon - qcom,kaanapali-cpu-bwmon - qcom,maili-cpu-bwmon + - qcom,nord-cpu-bwmon - qcom,qcm2290-cpu-bwmon - qcom,qcs615-cpu-bwmon - qcom,qcs8300-cpu-bwmon --=20 2.43.0 From nobody Thu Sep 24 12:53:50 2026 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 BF317436BC0 for ; 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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e939fe502sm11052635eec.2.2026.09.24.00.33.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 00:33:17 -0700 (PDT) From: Shawn Guo To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Georgi Djakov , Bartosz Golaszewski , Zhangfei Gao , Pushpendra Singh , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Konrad Dybcio , Shawn Guo Subject: [PATCH v2 2/2] arm64: dts: qcom: nord: Add bwmon node for Nord Date: Thu, 24 Sep 2026 15:32:22 +0800 Message-ID: <20260924073222.1000666-3-shengchao.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260924073222.1000666-1-shengchao.guo@oss.qualcomm.com> References: <20260924073222.1000666-1-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=YfoodARf c=1 sm=1 tr=0 ts=6ab4d23f cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=q7pI7CVp5Wuu0xCWJPQA:9 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-ORIG-GUID: Zcz35XK3Xs5ti9OdOOjPWzLVpLTLVoH2 X-Proofpoint-GUID: Zcz35XK3Xs5ti9OdOOjPWzLVpLTLVoH2 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDAzMSBTYWx0ZWRfX7nCB5C2YpHUH Pb9ZTiyk6UjPYeWFrQLnI5wRxRWVUcIT+3XOKz6DQ+pmjnKsf4qwMh2IRQAJenI6OWN3RVOeNKG 63KsG4gyo+T41rrrjx5SpauMe9TAQ2E= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDAzMSBTYWx0ZWRfX5z+PneWAFkPv 6yp5Y/n3N1gUT7w85+HjvlcnmBOrhjZI+GIxxLFxHWrg02Iv93HsqrnlVTeM8qVdh+7VEaKUAmV XwqcD7JOT3iJBZWS1mKVGVCqCGDtUTOV9CL7SVo28e4PQJTGtHefKOSwiI1R2XDxKQyByBfhJmI a1v6+bzorK2aCTXaMaVS4qxR84ZODUIQBkNHGMe0p3WgZ9w1oWooQmFvHKuZKdN2G3nVs5hkI+s FtgmjpLfSCZo317Vg3o2dMNXNtRbpQ6NPSl5ghejWur+u9Ztgp7g3oGOgiJ7y39O5k4QhZRJT4h S84Q1P4r1nzGgSbkJv7nRLSqg2ZLj4fQxCqI1g/Y1+ozmw+vF7y62S+T2uPhfuImf5uKSo1hn3l 8J7fzhacXoq8dp6Fn2GRqoQSQdY3YEqKDQzfx/cuFsH/GGEWaqd5wkpiE0TY/r3dpsy+/GhrnLZ ZxzqK7IoAUatkz+6TwA== 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=2026-09-24_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240031 Content-Type: text/plain; charset="utf-8" From: Pushpendra Singh Add BWMON nodes and associated OPP tables to enable dynamic DDR/LLCC frequency scaling. The compatible is added in nord-embedded.dtsi rather than nord.dtsi, because Embedded variant specific 'interconnects' is required by the compatible. Co-developed-by: Zhangfei Gao Signed-off-by: Zhangfei Gao Signed-off-by: Pushpendra Singh Reviewed-by: Bartosz Golaszewski Reviewed-by: Konrad Dybcio Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/qcom/nord-embedded.dtsi | 21 +++++++ arch/arm64/boot/dts/qcom/nord.dtsi | 67 +++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/= dts/qcom/nord-embedded.dtsi index 568fe68cd185..c27d01a82214 100644 --- a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi @@ -30,6 +30,27 @@ mc_virt: interconnect-mc-virt { }; }; =20 +&bwmon_cluster0 { + compatible =3D "qcom,nord-cpu-bwmon", + "qcom,sdm845-bwmon"; + interconnects =3D <&hscnoc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>; +}; + +&bwmon_cluster1 { + compatible =3D "qcom,nord-cpu-bwmon", + "qcom,sdm845-bwmon"; + interconnects =3D <&hscnoc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>; +}; + +&bwmon_cluster2 { + compatible =3D "qcom,nord-cpu-bwmon", + "qcom,sdm845-bwmon"; + interconnects =3D <&hscnoc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>; +}; + &crypto { interconnects =3D <&aggre1_noc_tile MASTER_CRYPTO_CORE0 QCOM_ICC_TAG_ALWA= YS &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; diff --git a/arch/arm64/boot/dts/qcom/nord.dtsi b/arch/arm64/boot/dts/qcom/= nord.dtsi index e0496fd40c30..4c3504b2a233 100644 --- a/arch/arm64/boot/dts/qcom/nord.dtsi +++ b/arch/arm64/boot/dts/qcom/nord.dtsi @@ -1460,6 +1460,73 @@ uart13: serial@a98000 { }; }; =20 + bwmon_cluster2: pmu@1014400 { + reg =3D <0x0 0x01014400 0x0 0x500>; + interrupts =3D ; + operating-points-v2 =3D <&bwmon_cluster_opp_table>; + }; + + bwmon_cluster1: pmu@1015400 { + reg =3D <0x0 0x01015400 0x0 0x500>; + interrupts =3D ; + operating-points-v2 =3D <&bwmon_cluster_opp_table>; + }; + + bwmon_cluster0: pmu@1016400 { + reg =3D <0x0 0x01016400 0x0 0x500>; + interrupts =3D ; + + operating-points-v2 =3D <&bwmon_cluster_opp_table>; + + bwmon_cluster_opp_table: opp-table { + compatible =3D "operating-points-v2"; + + opp-0 { + opp-peak-kBps =3D <800000>; + }; + + opp-1 { + opp-peak-kBps =3D <2188800>; + }; + + opp-2 { + opp-peak-kBps =3D <5414400>; + }; + + opp-3 { + opp-peak-kBps =3D <6220800>; + }; + + opp-4 { + opp-peak-kBps =3D <6835200>; + }; + + opp-5 { + opp-peak-kBps =3D <7603200>; + }; + + opp-6 { + opp-peak-kBps =3D <8371200>; + }; + + opp-7 { + opp-peak-kBps =3D <9657600>; + }; + + opp-8 { + opp-peak-kBps =3D <10944000>; + }; + + opp-9 { + opp-peak-kBps =3D <12748800>; + }; + + opp-10 { + opp-peak-kBps =3D <14745600>; + }; + }; + }; + rng: rng@10c3000 { compatible =3D "qcom,nord-trng", "qcom,trng"; --=20 2.43.0