[PATCH 06/13] arm64: dts: imx95: Add coresight nodes
From: Peng Fan
Date: Fri Aug 15 2025 - 05:12:03 EST
Add etf, etm, etr, funnel nodes for coresight.
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx95.dtsi | 104 +++++++++++++++++++++++++++++++
1 file changed, 104 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index adc63448aa15b148ca0eb8499ff5bc217fe8208e..2fbdd9c7ca099ba6971e4f6914be680a5b96da36 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -492,6 +492,110 @@ soc {
#size-cells = <2>;
ranges;
+ etm0: etm@40840000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0x0 0x40840000 0x0 0x10000>;
+ arm,primecell-periphid = <0xbb95d>;
+ cpu = <&A55_0>;
+ clocks = <&scmi_clk IMX95_CLK_A55PERIPH>;
+ clock-names = "apb_pclk";
+ status = "disabled";
+
+ out-ports {
+ port {
+ etm0_out_port: endpoint {
+ remote-endpoint = <&ca_funnel_in_port0>;
+ };
+ };
+ };
+ };
+
+ funnel0: funnel {
+ /*
+ * non-configurable funnel don't show up on the AMBA
+ * bus. As such no need to add "arm,primecell".
+ */
+ compatible = "arm,coresight-static-funnel";
+ status = "disabled";
+
+ in-ports {
+ port {
+ ca_funnel_in_port0: endpoint {
+ remote-endpoint = <&etm0_out_port>;
+ };
+ };
+ };
+
+ out-ports {
+ port {
+ ca_funnel_out_port0: endpoint {
+ remote-endpoint = <&hugo_funnel_in_port0>;
+ };
+ };
+ };
+ };
+
+ funnel1: funnel_sys {
+ compatible = "arm,coresight-static-funnel";
+ status = "disabled";
+
+ in-ports {
+ port {
+ hugo_funnel_in_port0: endpoint {
+ remote-endpoint = <&ca_funnel_out_port0>;
+ };
+ };
+ };
+
+ out-ports {
+ port {
+ hugo_funnel_out_port0: endpoint {
+ remote-endpoint = <&etf_in_port>;
+ };
+ };
+ };
+ };
+
+ etf: etf@41030000 {
+ compatible = "arm,coresight-tmc", "arm,primecell";
+ reg = <0x0 0x41030000 0x0 0x1000>;
+ clocks = <&scmi_clk IMX95_CLK_A55PERIPH>;
+ clock-names = "apb_pclk";
+ status = "disabled";
+
+ in-ports {
+ port {
+ etf_in_port: endpoint {
+ remote-endpoint = <&hugo_funnel_out_port0>;
+ };
+ };
+ };
+
+ out-ports {
+ port {
+ etf_out_port: endpoint {
+ remote-endpoint = <&etr_in_port>;
+ };
+ };
+ };
+ };
+
+ etr: etr@41040000 {
+ compatible = "arm,coresight-tmc", "arm,primecell";
+ reg = <0x0 0x41040000 0x0 0x1000>;
+ clocks = <&scmi_clk IMX95_CLK_A55PERIPH>;
+ clock-names = "apb_pclk";
+ status = "disabled";
+
+ in-ports {
+ port {
+ etr_in_port: endpoint {
+ remote-endpoint = <&etf_out_port>;
+ };
+ };
+ };
+ };
+
aips2: bus@42000000 {
compatible = "fsl,aips-bus", "simple-bus";
reg = <0x0 0x42000000 0x0 0x800000>;
--
2.37.1