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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2dd2cff297esm61574725ad.73.2026.09.15.01.09.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Sep 2026 01:09:16 -0700 (PDT) Message-ID: <4dc33440-133b-4b81-b460-4484d9829aee@oss.qualcomm.com> Date: Tue, 15 Sep 2026 16:09:12 +0800 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] arm64: dts: qcom: kaanapali: enable ETR and CTCU devices To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260714-add-etr-ctcu-for-kaanapali-v1-1-be5cd7a3c656@oss.qualcomm.com> Content-Language: en-US From: Jie Gan In-Reply-To: <20260714-add-etr-ctcu-for-kaanapali-v1-1-be5cd7a3c656@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE1MDExNiBTYWx0ZWRfXxIsaU39jDE6o kmyqsH0QH+n+V2hTgCJiyOuitiFtPl6wdDiIFbYVP70mYXDA3z1OPUPh90eQwv8zcjpzb6EwhJK KkBg99Zint9F/NtLnGrznV7EiA/QrJo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE1MDExNiBTYWx0ZWRfX7qzAKLH6VIXE S6AgG19g87Zj5e3QYxAK/n1Y7wgByiA8hJFuC6EJYhzikoYUpUHVDcU+mAp7jOvSfGkDDhjJF8g 3xvvUlXa9klolhHtzZ1nYV2u692YU9dWK2OJLvjeqCZAie37rsOkorPsg3RYKleRNxbkXhgn8tX ubKZoE9eB7tOchJVAcgyinvYXjSEz/qFwR6A2BD6GjkMv94DExYqbxoRdLD28rVBje8RyYPSzBO OGUFh6tZdyXRkTy258r27nBr1GWezk3l0PM5AGMTkwbCslk0J/bYGRormxsXqcOnDWbC7xpD2Gt JfNUdGlVDW0BKVDnLuZOBt/Y7FFMScYKIUENicmYPe1GzAFyNpqVROC8tMjLLrl7pjV3mFI9yAL 8Pkdg68/2G6sx92rbShsp+buTH4W+vK3gEUn61qVOsdrMwmRxTU3nZnzz8FfaQqMoXZY2t0sIae Tj8oQ71M+TIEuSc3pgg== X-Authority-Analysis: v=2.4 cv=PKKaavqC c=1 sm=1 tr=0 ts=6aa8fd30 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=YSVC6_zYCsoJ3GjGXcEA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-GUID: dEbyQzrrqMh9Qk76deOWkzoel3iKPDy1 X-Proofpoint-ORIG-GUID: dEbyQzrrqMh9Qk76deOWkzoel3iKPDy1 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=2026-09-15_02,2026-09-14_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 malwarescore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609150116 On 7/14/2026 4:05 PM, Jie Gan wrote: > 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. > Gentle ping. > Signed-off-by: Jie Gan > --- > arch/arm64/boot/dts/qcom/kaanapali.dtsi | 176 ++++++++++++++++++++++++++++++++ > 1 file changed, 176 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/kaanapali.dtsi b/arch/arm64/boot/dts/qcom/kaanapali.dtsi > index 0bf664cd4b40..07a0b00dfb62 100644 > --- a/arch/arm64/boot/dts/qcom/kaanapali.dtsi > +++ b/arch/arm64/boot/dts/qcom/kaanapali.dtsi > @@ -4984,6 +4984,35 @@ card-detect-pins { > }; > }; > > + ctcu@10001000 { > + compatible = "qcom,kaanapali-ctcu", "qcom,sa8775p-ctcu"; > + reg = <0x0 0x10001000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb"; > + > + in-ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + ctcu_in0: endpoint { > + remote-endpoint = <&tmc_etr_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + ctcu_in1: endpoint { > + remote-endpoint = <&tmc_etr1_out>; > + }; > + }; > + }; > + }; > + > stm@10002000 { > compatible = "arm,coresight-stm", "arm,primecell"; > reg = <0x0 0x10002000 0x0 0x1000>, > @@ -5123,6 +5152,121 @@ funnel_in0_out: endpoint { > }; > }; > > + replicator@10046000 { > + compatible = "arm,coresight-dynamic-replicator", "arm,primecell"; > + reg = <0x0 0x10046000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb_pclk"; > + > + in-ports { > + port { > + replicator_qdss_in: endpoint { > + remote-endpoint = <&replicator_swao_out0>; > + }; > + }; > + }; > + > + out-ports { > + port { > + replicator_qdss_out: endpoint { > + remote-endpoint = <&replicator_etr_in>; > + }; > + }; > + }; > + }; > + > + tmc@10048000 { > + compatible = "arm,coresight-tmc", "arm,primecell"; > + reg = <0x0 0x10048000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb_pclk"; > + > + iommus = <&apps_smmu 0x04e0 0x0>; > + arm,scatter-gather; > + > + in-ports { > + port { > + tmc_etr_in: endpoint { > + remote-endpoint = <&replicator_etr_out0>; > + }; > + }; > + }; > + > + out-ports { > + port { > + tmc_etr_out: endpoint { > + remote-endpoint = <&ctcu_in0>; > + }; > + }; > + }; > + }; > + > + replicator@1004e000 { > + compatible = "arm,coresight-dynamic-replicator", "arm,primecell"; > + reg = <0x0 0x1004e000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb_pclk"; > + > + in-ports { > + port { > + replicator_etr_in: endpoint { > + remote-endpoint = <&replicator_qdss_out>; > + }; > + }; > + }; > + > + out-ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + replicator_etr_out0: endpoint { > + remote-endpoint = <&tmc_etr_in>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + replicator_etr_out1: endpoint { > + remote-endpoint = <&tmc_etr1_in>; > + }; > + }; > + }; > + }; > + > + tmc@1004f000 { > + compatible = "arm,coresight-tmc", "arm,primecell"; > + reg = <0x0 0x1004f000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb_pclk"; > + > + iommus = <&apps_smmu 0x0500 0x0>; > + arm,scatter-gather; > + > + in-ports { > + port { > + tmc_etr1_in: endpoint { > + remote-endpoint = <&replicator_etr_out1>; > + }; > + }; > + }; > + > + out-ports { > + port { > + tmc_etr1_out: endpoint { > + remote-endpoint = <&ctcu_in1>; > + }; > + }; > + }; > + }; > + > tpdm@11000000 { > compatible = "qcom,coresight-tpdm", "arm,primecell"; > reg = <0x0 0x11000000 0x0 0x1000>; > @@ -5937,6 +6081,38 @@ tmc_etf_in: endpoint { > }; > }; > }; > + > + out-ports { > + port { > + tmc_etf_out: endpoint { > + remote-endpoint = <&replicator_swao_in>; > + }; > + }; > + }; > + }; > + > + replicator@11306000 { > + compatible = "arm,coresight-dynamic-replicator", "arm,primecell"; > + reg = <0x0 0x11306000 0x0 0x1000>; > + > + clocks = <&aoss_qmp>; > + clock-names = "apb_pclk"; > + > + in-ports { > + port { > + replicator_swao_in: endpoint { > + remote-endpoint = <&tmc_etf_out>; > + }; > + }; > + }; > + > + out-ports { > + port { > + replicator_swao_out0: endpoint { > + remote-endpoint = <&replicator_qdss_in>; > + }; > + }; > + }; > }; > > tpda@11308000 { > > --- > base-commit: 49362394dad7df66c274c867a271394c10ca2bb8 > change-id: 20260714-add-etr-ctcu-for-kaanapali-9aa6b297778c > > Best regards,