arm64: dts: imx8mq: Add coresight trace components

Add coresight trace components (ETM, ETF, ETB and Funnel).

┌───────┐  ┌───────┐  ┌───────┐
│ CPU0  ├─►│ ETM0  ├─►│       │
└───────┘  └───────┘  │       │
                      │       │
┌───────┐  ┌───────┐  │  ATP  │
│ CPU1  ├─►│ ETM1  ├─►│       │
└───────┘  └───────┘  │       │
                      │ FUNNEL│
┌───────┐  ┌───────┐  │       │
│ CPU2  ├─►│ ETM2  ├─►│       │
└───────┘  └───────┘  │       │   ┌─────┐
                      │       │   │     │
┌───────┐  ┌───────┐  │       │   │ M4  │
│ CPU3  ├─►│ ETM3  ├─►│       │   │     │
└───────┘  └───────┘  └───┬───┘   └──┬──┘                        AXI
                          │          │                            ▲
                          ▼          ▼                            │
                      ┌───────────────────────────┐   ┌─────┐   ┌─┴──┐
                      │          ATP FUNNEL       ├──►│ ETF ├─► │ETR │
                      └───────────────────────────┘   └─────┘   └────┘

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 5b5414955420bf29e7b3cf1e9397bad23fe0203e..38e62583b656c9df2f878a6f3cfdb1c534154541 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -330,6 +330,198 @@
                nvmem-cells = <&imx8mq_uid>;
                nvmem-cell-names = "soc_unique_id";
 
+               etm0: etm@28440000 {
+                       compatible = "arm,coresight-etm4x", "arm,primecell";
+                       reg = <0x28440000 0x1000>;
+                       cpu = <&A53_0>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       out-ports {
+                               port {
+                                       etm0_out_port: endpoint {
+                                               remote-endpoint = <&ca_funnel_in_port0>;
+                                       };
+                               };
+                       };
+               };
+
+               etm1: etm@28540000 {
+                       compatible = "arm,coresight-etm4x", "arm,primecell";
+                       reg = <0x28540000 0x1000>;
+                       cpu = <&A53_1>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       out-ports {
+                               port {
+                                       etm1_out_port: endpoint {
+                                               remote-endpoint = <&ca_funnel_in_port1>;
+                                       };
+                               };
+                       };
+               };
+
+               etm2: etm@28640000 {
+                       compatible = "arm,coresight-etm4x", "arm,primecell";
+                       reg = <0x28640000 0x1000>;
+                       cpu = <&A53_2>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       out-ports {
+                               port {
+                                       etm2_out_port: endpoint {
+                                               remote-endpoint = <&ca_funnel_in_port2>;
+                                       };
+                               };
+                       };
+               };
+
+               etm3: etm@28740000 {
+                       compatible = "arm,coresight-etm4x", "arm,primecell";
+                       reg = <0x28740000 0x1000>;
+                       cpu = <&A53_3>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       out-ports {
+                               port {
+                                       etm3_out_port: endpoint {
+                                               remote-endpoint = <&ca_funnel_in_port3>;
+                                       };
+                               };
+                       };
+               };
+
+               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";
+
+                       in-ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+
+                                       ca_funnel_in_port0: endpoint {
+                                               remote-endpoint = <&etm0_out_port>;
+                                       };
+                               };
+
+                               port@1 {
+                                       reg = <1>;
+
+                                       ca_funnel_in_port1: endpoint {
+                                               remote-endpoint = <&etm1_out_port>;
+                                       };
+                               };
+
+                               port@2 {
+                                       reg = <2>;
+
+                                       ca_funnel_in_port2: endpoint {
+                                               remote-endpoint = <&etm2_out_port>;
+                                       };
+                               };
+
+                               port@3 {
+                                       reg = <3>;
+
+                                       ca_funnel_in_port3: endpoint {
+                                               remote-endpoint = <&etm3_out_port>;
+                                       };
+                               };
+                       };
+
+                       out-ports {
+                               port {
+                                       ca_funnel_out_port0: endpoint {
+                                               remote-endpoint = <&hugo_funnel_in_port0>;
+                                       };
+                               };
+                       };
+               };
+
+               funnel@28c03000 {
+                       compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
+                       reg = <0x28c03000 0x1000>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       in-ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+
+                                       hugo_funnel_in_port0: endpoint {
+                                               remote-endpoint = <&ca_funnel_out_port0>;
+                                       };
+                               };
+
+                               port@1 {
+                                       reg = <1>;
+
+                                       hugo_funnel_in_port1: endpoint {
+                                       /* M4 input */
+                                       };
+                               };
+                               /* the other input ports are not connect to anything */
+                       };
+
+                       out-ports {
+                               port {
+                                       hugo_funnel_out_port0: endpoint {
+                                               remote-endpoint = <&etf_in_port>;
+                                       };
+                               };
+                       };
+               };
+
+               etf@28c04000 {
+                       compatible = "arm,coresight-tmc", "arm,primecell";
+                       reg = <0x28c04000 0x1000>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       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@28c06000 {
+                       compatible = "arm,coresight-tmc", "arm,primecell";
+                       reg = <0x28c06000 0x1000>;
+                       clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;
+                       clock-names = "apb_pclk";
+
+                       in-ports {
+                               port {
+                                       etr_in_port: endpoint {
+                                               remote-endpoint = <&etf_out_port>;
+                                       };
+                               };
+                       };
+               };
+
                aips1: bus@30000000 { /* AIPS1 */
                        compatible = "fsl,aips-bus", "simple-bus";
                        reg = <0x30000000 0x400000>;