[PATCH v2 3/3] arm64: dts: qcom: sm8750: enable ETR and CTCU devices
From: Jie Gan <hidden>
Date: 2026-02-03 09:33:27
Also in:
linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
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 <redacted> Signed-off-by: Jie Gan <redacted> --- 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/qcom/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 = <1>; }; + ctcu@10001000 { + compatible = "qcom,sm8750-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 = <&etr0_out>; + }; + }; + + port@1 { + reg = <1>; + + ctcu_in1: endpoint { + remote-endpoint = <&etr1_out>; + }; + }; + }; + }; + stm@10002000 { compatible = "arm,coresight-stm", "arm,primecell"; reg = <0x0 0x10002000 0x0 0x1000>,
@@ -3687,6 +3716,122 @@ 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 { + qdss_rep_in: endpoint { + remote-endpoint = <&swao_rep_out0>; + }; + }; + }; + + out-ports { + port { + qdss_rep_out0: endpoint { + remote-endpoint = <&etr_rep_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 { + etr0_in: endpoint { + remote-endpoint = <&etr_rep_out0>; + }; + }; + }; + + out-ports { + port { + etr0_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 { + etr_rep_in: endpoint { + remote-endpoint = <&qdss_rep_out0>; + }; + }; + }; + + out-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + etr_rep_out0: endpoint { + remote-endpoint = <&etr0_in>; + }; + }; + + port@1 { + reg = <1>; + + etr_rep_out1: endpoint { + remote-endpoint = <&etr1_in>; + }; + }; + }; + }; + + tmc_etr1: 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; + arm,buffer-size = <0x400000>; + + in-ports { + port { + etr1_in: endpoint { + remote-endpoint = <&etr_rep_out1>; + }; + }; + }; + + out-ports { + port { + etr1_out: endpoint { + remote-endpoint = <&ctcu_in1>; + }; + }; + }; + }; + tpdm@10800000 { compatible = "qcom,coresight-tpdm", "arm,primecell"; reg = <0x0 0x10800000 0x0 0x1000>;
@@ -4357,6 +4502,38 @@ tmc_etf_in: endpoint { }; }; }; + + out-ports { + port { + tmc_etf_out: endpoint { + remote-endpoint = <&swao_rep_in>; + }; + }; + }; + }; + + replicator@10b06000 { + compatible = "arm,coresight-dynamic-replicator", "arm,primecell"; + reg = <0x0 0x10b06000 0x0 0x1000>; + + clocks = <&aoss_qmp>; + clock-names = "apb_pclk"; + + in-ports { + port { + swao_rep_in: endpoint { + remote-endpoint = <&tmc_etf_out>; + }; + }; + }; + + out-ports { + port { + swao_rep_out0: endpoint { + remote-endpoint = <&qdss_rep_in>; + }; + }; + }; }; tpda@10b08000 {
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2.34.1