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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e6129b3a9sm3528214eec.13.2026.09.22.01.04.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 01:04:39 -0700 (PDT) From: Shawn Guo To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Pushpendra Singh , Zhangfei Gao , Shawn Guo Subject: [PATCH] arm64: dts: qcom: nord: Add bwmon node for Nord Date: Tue, 22 Sep 2026 16:04:16 +0800 Message-ID: <20260922080416.484280-1-shengchao.guo@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 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-GUID: 0fkx2zxT58Fr2rSW0mXh2mCsrMrnqXG7 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIyMDExNSBTYWx0ZWRfX6SOg+eUO7TvO YRKukWVPvdo2noEmvxFov8/lzXph+M74VCVQNKHQqKk9L/VyYEs44VyXR1QmQgg5E5o+ikbJQB2 v59GjeuIxOG2zwl9nROwmFV41o8KBdQ= X-Authority-Analysis: v=2.4 cv=U+4Hnuru c=1 sm=1 tr=0 ts=6ab23699 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=q7pI7CVp5Wuu0xCWJPQA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: 0fkx2zxT58Fr2rSW0mXh2mCsrMrnqXG7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIyMDExNSBTYWx0ZWRfX8NFCGwQwHgqF jx0rfIX4f3IoAUipyjUy7/qGSSlW5F7W75MtpI/uGNtZkSTyeQTn+CLqdoZLpF9uneGmmfbxMrn IeP0Gh0TZqpO2umnvfjHpssu+7Izk+FI/o1WE4OaM1iY86fO2MC8Ddtv6goJMzsRZxhbyVuI/0X xnhdql/Y2xZIcHgzb/OQ4xrJLJZMg4dkOsemwJ8OF/qGSQM1pGyQcZRZsGNvQtdLRSy+sXRhjRS bpCVbPHWooC3dk1B69VC43kJT/1UbPiUNelTUg9of/xGT1SDsRl5GjjfJDRarM4Z3y9qq00Uq5e ++K9Z8WQyOHcbn5BoT9yD1n72aDqrMXY+CayViS+kyoaPreL6ZR/RId1q3/XOIGYSM1u+oWPNNe JaHB7ThldingY/vRah9a3khe07vNPb5fQWyvoLzELpIlYAbE2gzFsiHyHHpQgG0UMuRRxJNlCYT UySYK573Rn2yERkwsWA== 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=2026-09-21_07,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609220115 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 Signed-off-by: Shawn Guo Reviewed-by: Bartosz Golaszewski Reviewed-by: Konrad Dybcio --- Dependencies: - BWMON binding: https://lore.kernel.org/all/20260831090134.585588-1-zhangf= ei.gao@oss.qualcomm.com/ 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..9925e770dfa4 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 0x600>; + interrupts =3D ; + operating-points-v2 =3D <&bwmon_cluster_opp_table>; + }; + + bwmon_cluster1: pmu@1015400 { + reg =3D <0x0 0x01015400 0x0 0x600>; + interrupts =3D ; + operating-points-v2 =3D <&bwmon_cluster_opp_table>; + }; + + bwmon_cluster0: pmu@1016400 { + reg =3D <0x0 0x01016400 0x0 0x600>; + 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