Re: [PATCH] arm64: dts: qcom: kaanapali: enable ETR and CTCU devices

[Jie Gan <jie.gan@oss.qualcomm.com>]

On 8/31/2026 7:34 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.
> 

Please ignore this patch, I already sent it before and got reviewed by 
Konrad. Sorry for the mistake.

https://lore.kernel.org/all/b9bd5d63-787f-41c6-ae7b-8543a7b6c4c6@oss.qualcomm.com/

Thanks,
Jie

> Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
> ---
>   arch/arm64/boot/dts/qcom/kaanapali.dtsi | 181 ++++++++++++++++++++++++++++++++
>   1 file changed, 181 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/kaanapali.dtsi b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> index 131fd2a16c54..6fc1399a7e5e 100644
> --- a/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> +++ b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> @@ -4421,40 +4421,69 @@ cmd-pins {
>   					pins = "sdc2_cmd";
>   					drive-strength = <2>;
>   					bias-pull-up;
>   				};
>   
>   				data-pins {
>   					pins = "sdc2_data";
>   					drive-strength = <2>;
>   					bias-pull-up;
>   				};
>   
>   				card-detect-pins {
>   					pins = "gpio55";
>   					function = "gpio";
>   					drive-strength = <2>;
>   					bias-pull-up;
>   				};
>   			};
>   		};
>   
> +		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>,
>   			      <0x0 0x16280000 0x0 0x180000>;
>   			reg-names = "stm-base",
>   				    "stm-stimulus-base";
>   
>   			clocks = <&aoss_qmp>;
>   			clock-names = "apb_pclk";
>   
>   			out-ports {
>   				port {
>   					stm_out: endpoint {
>   						remote-endpoint = <&funnel_in0_in7>;
>   					};
>   				};
>   			};
>   		};
>   
>   		tpdm@10003000 {
> @@ -4560,40 +4589,155 @@ funnel_in0_in6: endpoint {
>   				};
>   
>   				port@7 {
>   					reg = <7>;
>   
>   					funnel_in0_in7: endpoint {
>   						remote-endpoint = <&stm_out>;
>   					};
>   				};
>   			};
>   
>   			out-ports {
>   				port {
>   					funnel_in0_out: endpoint {
>   						remote-endpoint = <&funnel_aoss_in6>;
>   					};
>   				};
>   			};
>   		};
>   
> +		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>;
>   
>   			clocks = <&aoss_qmp>;
>   			clock-names = "apb_pclk";
>   			label = "tpdm_modem_0";
>   
>   			qcom,dsb-element-bits = <32>;
>   			qcom,dsb-msrs-num = <32>;
>   
>   			out-ports {
>   				port {
>   					tpdm_modem0_out: endpoint {
>   						remote-endpoint = <&tpda_modem_in0>;
>   					};
>   				};
>   			};
>   		};
>   
> @@ -5374,40 +5518,77 @@ funnel_aoss_out: endpoint {
>   						remote-endpoint = <&tmc_etf_in>;
>   					};
>   				};
>   			};
>   		};
>   
>   		tmc@11305000 {
>   			compatible = "arm,coresight-tmc", "arm,primecell";
>   			reg = <0x0 0x11305000 0x0 0x1000>;
>   
>   			clocks = <&aoss_qmp>;
>   			clock-names = "apb_pclk";
>   
>   			in-ports {
>   				port {
>   					tmc_etf_in: endpoint {
>   						remote-endpoint = <&funnel_aoss_out>;
>   					};
>   				};
>   			};
> +
> +			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 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					replicator_swao_out0: endpoint {
> +						remote-endpoint = <&replicator_qdss_in>;
> +					};
> +				};
> +			};
>   		};
>   
>   		tpda@11308000 {
>   			compatible = "qcom,coresight-tpda", "arm,primecell";
>   			reg = <0x0 0x11308000 0x0 0x1000>;
>   
>   			clocks = <&aoss_qmp>;
>   			clock-names = "apb_pclk";
>   
>   			in-ports {
>   				#address-cells = <1>;
>   				#size-cells = <0>;
>   
>   				port@0 {
>   					reg = <0>;
>   
>   					tpda_aoss_in0: endpoint {
>   						remote-endpoint = <&tpdm_swao_prio0_out>;
>   					};
>   				};
> 
> ---
> base-commit: e30626823a406725ce29bc75cb8ec467d3e1e326
> change-id: 20260831-enable-ctcu-etr-for-knp-28434e777f1e
> 
> Best regards,