On Fri, Aug 15, 2025 at 05:03:52PM +0800, Peng Fan wrote:
> Add etf, etm, etr, funnel nodes for coresight.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> 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 {
node name use -, funnel-sys
Frank
> + 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
>