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.

Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
---
 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,
-- 
Jie Gan <jie.gan@oss.qualcomm.com>

On 7/14/26 10:05 AM, 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.
> 
> Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad