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Message-Id: <20251104-enable-etr-and-ctcu-for-hamoa-v1-2-af552cfb902c@oss.qualcomm.com>
Date: Tue, 04 Nov 2025 16:10:18 +0800
From: Jie Gan <jie.gan@....qualcomm.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
James Clark <james.clark@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Tingwei Zhang <tingwei.zhang@....qualcomm.com>,
Mao Jinlong <jinlong.mao@....qualcomm.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Jie Gan <jie.gan@....qualcomm.com>
Subject: [PATCH 2/2] arm64: dts: qcom: hamoa: enable ETR and CTCU devices
Embedded Trace Router(ETR) is working as a DDR memory sink to collect
tracing data from source device.
The CTCU serves as the control unit for the ETR device, managing its
behavior to determine how trace data is collected.
Signed-off-by: Jie Gan <jie.gan@....qualcomm.com>
---
arch/arm64/boot/dts/qcom/hamoa.dtsi | 160 +++++++++++++++++++++++++++++++++++-
1 file changed, 159 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
index a17900eacb20..ca4a473614ee 100644
--- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
@@ -6713,6 +6713,35 @@ data-pins {
};
};
+ ctcu@...01000 {
+ compatible = "qcom,hamoa-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@...02000 {
compatible = "arm,coresight-stm", "arm,primecell";
reg = <0x0 0x10002000 0x0 0x1000>,
@@ -6927,6 +6956,122 @@ qdss_funnel_out: endpoint {
};
};
+ replicator@...46000 {
+ 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_etr: tmc@...48000 {
+ 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@...4e000 {
+ 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@...4f000 {
+ 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@...00000 {
compatible = "qcom,coresight-tpdm", "arm,primecell";
reg = <0x0 0x10800000 0x0 0x1000>;
@@ -7240,7 +7385,20 @@ swao_rep_in: endpoint {
};
out-ports {
- port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ swao_rep_out0: endpoint {
+ remote-endpoint = <&qdss_rep_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
swao_rep_out1: endpoint {
remote-endpoint = <&eud_in>;
};
--
2.34.1
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