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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8241d4a5c28sm695598b3a.62.2026.02.03.18.22.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 18:22:47 -0800 (PST) From: Jie Gan Date: Wed, 04 Feb 2026 10:22:03 +0800 Subject: [PATCH v3 3/3] arm64: dts: qcom: sm8750: enable ETR and CTCU devices Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260204-enable-ctcu-and-etr-v3-3-0bb95c590ae1@oss.qualcomm.com> References: <20260204-enable-ctcu-and-etr-v3-0-0bb95c590ae1@oss.qualcomm.com> In-Reply-To: <20260204-enable-ctcu-and-etr-v3-0-0bb95c590ae1@oss.qualcomm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang , Bjorn Andersson , Konrad Dybcio Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jie Gan , Konrad Dybcio X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770171750; l=4485; i=jie.gan@oss.qualcomm.com; s=20250909; h=from:subject:message-id; bh=001o5XY3+w2paDpYRNSmK49wmzg7ECB60KxXLrmgSlk=; b=LRSAYL0rhvhIu47BE21bf2cZ137WV7u+QOHDidV1GRooXE9nQAvJRCPymhmWbJF97qfJ9oeVQ sdVNwbIW7oQBmzFUGCdUGpZDbVNe3RgYGpbF7B11EWxYVY0wkAB+MMt X-Developer-Key: i=jie.gan@oss.qualcomm.com; a=ed25519; pk=3LxxUZRPCNkvPDlWOvXfJNqNO4SfGdy3eghMb8puHuk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDAxNCBTYWx0ZWRfX77zZ2ksJjXH+ 6+RRFsamNG+KLfwb3LSRLKVCG42YrYrQ5VWEiJ/Smj+hcMxDshHFPUjcB8Xb3VjFnNZTOJh8Ylg bGhJdAr23IOZpxAiBLGS0T/Nerlsh0TgyrTJY46fAwywpo19rzIGSyIbORBwWTKjKxXmClzqFRp 9QVJSG/04rYvOkOlxIPpQIOPtxuLGoKTYFZLCn2Mv5VMsZ9R1qAE5UwyEz7i4TQjnVUkla8T8Ox B5tUWFZDZcT0A/1Je4uDlTARtWucDntECPwJS4YahfWdtVH4iiO+zw8Z958VUEuF9XAYp/E3wLq SncNrBb6+wbnXNwZ5kJZT19iSrp1EFThogyZ4dBf9huVrlBcvTMeoiHCfoDc0jRs/MYknAsCEQb 4BB4n4eFIjdfoZ1XuNHhBcjzicNbMs1TimkkKs7HF7lPw62jLSY1HR5Vmy2XJ905GPFSbJcN3WM RsJNPof1G0wLJ54qu+A== X-Authority-Analysis: v=2.4 cv=XfOEDY55 c=1 sm=1 tr=0 ts=6982ad78 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=kFQAvpsttJVeTngcj60A:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-ORIG-GUID: QMB8E8geWwP38wpl0m5wGAjTIJx4ogrT X-Proofpoint-GUID: QMB8E8geWwP38wpl0m5wGAjTIJx4ogrT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-03_07,2026-02-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602040014 Embedded Trace Router(ETR) is working as a DDR memory sink to collect tracing data from source device and the CTCU device serves as the control unit for the ETR device. Reviewed-by: Konrad Dybcio Signed-off-by: Jie Gan --- arch/arm64/boot/dts/qcom/sm8750.dtsi | 177 +++++++++++++++++++++++++++++++= ++++ 1 file changed, 177 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qco= m/sm8750.dtsi index f56b1f889b85..1781ec95283f 100644 --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi @@ -3574,6 +3574,35 @@ tcsrcc: clock-controller@f204008 { #reset-cells =3D <1>; }; =20 + ctcu@10001000 { + compatible =3D "qcom,sm8750-ctcu", "qcom,sa8775p-ctcu"; + reg =3D <0x0 0x10001000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb"; + + in-ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + ctcu_in0: endpoint { + remote-endpoint =3D <&etr0_out>; + }; + }; + + port@1 { + reg =3D <1>; + + ctcu_in1: endpoint { + remote-endpoint =3D <&etr1_out>; + }; + }; + }; + }; + stm@10002000 { compatible =3D "arm,coresight-stm", "arm,primecell"; reg =3D <0x0 0x10002000 0x0 0x1000>, @@ -3687,6 +3716,122 @@ funnel_in0_out: endpoint { }; }; =20 + replicator@10046000 { + compatible =3D "arm,coresight-dynamic-replicator", "arm,primecell"; + reg =3D <0x0 0x10046000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb_pclk"; + + in-ports { + port { + qdss_rep_in: endpoint { + remote-endpoint =3D <&swao_rep_out0>; + }; + }; + }; + + out-ports { + port { + qdss_rep_out0: endpoint { + remote-endpoint =3D <&etr_rep_in>; + }; + }; + }; + }; + + tmc@10048000 { + compatible =3D "arm,coresight-tmc", "arm,primecell"; + reg =3D <0x0 0x10048000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb_pclk"; + + iommus =3D <&apps_smmu 0x04e0 0x0>; + arm,scatter-gather; + + in-ports { + port { + etr0_in: endpoint { + remote-endpoint =3D <&etr_rep_out0>; + }; + }; + }; + + out-ports { + port { + etr0_out: endpoint { + remote-endpoint =3D <&ctcu_in0>; + }; + }; + }; + }; + + replicator@1004e000 { + compatible =3D "arm,coresight-dynamic-replicator", "arm,primecell"; + reg =3D <0x0 0x1004e000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb_pclk"; + + in-ports { + port { + etr_rep_in: endpoint { + remote-endpoint =3D <&qdss_rep_out0>; + }; + }; + }; + + out-ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + + etr_rep_out0: endpoint { + remote-endpoint =3D <&etr0_in>; + }; + }; + + port@1 { + reg =3D <1>; + + etr_rep_out1: endpoint { + remote-endpoint =3D <&etr1_in>; + }; + }; + }; + }; + + tmc_etr1: tmc@1004f000 { + compatible =3D "arm,coresight-tmc", "arm,primecell"; + reg =3D <0x0 0x1004f000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb_pclk"; + + iommus =3D <&apps_smmu 0x0500 0x0>; + arm,scatter-gather; + arm,buffer-size =3D <0x400000>; + + in-ports { + port { + etr1_in: endpoint { + remote-endpoint =3D <&etr_rep_out1>; + }; + }; + }; + + out-ports { + port { + etr1_out: endpoint { + remote-endpoint =3D <&ctcu_in1>; + }; + }; + }; + }; + tpdm@10800000 { compatible =3D "qcom,coresight-tpdm", "arm,primecell"; reg =3D <0x0 0x10800000 0x0 0x1000>; @@ -4357,6 +4502,38 @@ tmc_etf_in: endpoint { }; }; }; + + out-ports { + port { + tmc_etf_out: endpoint { + remote-endpoint =3D <&swao_rep_in>; + }; + }; + }; + }; + + replicator@10b06000 { + compatible =3D "arm,coresight-dynamic-replicator", "arm,primecell"; + reg =3D <0x0 0x10b06000 0x0 0x1000>; + + clocks =3D <&aoss_qmp>; + clock-names =3D "apb_pclk"; + + in-ports { + port { + swao_rep_in: endpoint { + remote-endpoint =3D <&tmc_etf_out>; + }; + }; + }; + + out-ports { + port { + swao_rep_out0: endpoint { + remote-endpoint =3D <&qdss_rep_in>; + }; + }; + }; }; =20 tpda@10b08000 { --=20 2.34.1