Re: [PATCHv7 2/6] arm64: dts: qcom: msm8998: Add Coresight support

[Mathieu Poirier <mathieu.poirier@linaro.org>]

On Thu, 31 Jan 2019 at 17:54, Sai Prakash Ranjan
<saiprakash.ranjan@codeaurora.org> wrote:
>
> Enable coresight support by adding device nodes for the
> available source, sinks and channel blocks on MSM8998.
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
>
> ---
> For testing, all dependent patches are in below tree:
>  * https://github.com/saiprakash-ranjan/linux/tree/coresight-next
>
> This depends on MSM8998 rpm clocks and rpmcc node by Jeffrey Hugo
> and Marc Gonzalez [1][2][3].
>
> [1] https://lore.kernel.org/lkml/1545099336-5615-1-git-send-email-jhugo@codeaurora.org/
> [2] https://lore.kernel.org/lkml/1548866144-30265-1-git-send-email-jhugo@codeaurora.org/
> [3] https://lore.kernel.org/lkml/6da00186-e7c9-c93d-a80a-65eda2516451@free.fr/
> ---
>  arch/arm64/boot/dts/qcom/msm8998.dtsi | 435 ++++++++++++++++++++++++++
>  1 file changed, 435 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
> index eb691be6e171..3020a76ed201 100644
> --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
> @@ -566,6 +566,441 @@
>                         #interrupt-cells = <0x2>;
>                 };
>
> +               stm@6002000 {
> +                       compatible = "arm,coresight-stm", "arm,primecell";
> +                       reg = <0x06002000 0x1000>,
> +                             <0x16280000 0x180000>;
> +                       reg-names = "stm-base", "stm-data-base";
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       stm_out: endpoint {
> +                                               remote-endpoint = <&funnel0_in7>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               funnel@6041000 {
> +                       compatible = "arm,coresight-funnel", "arm,primecell";
> +                       reg = <0x06041000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       funnel0_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&merge_funnel_in0>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@7 {
> +                                       reg = <7>;
> +                                       funnel0_in7: endpoint {
> +                                               remote-endpoint = <&stm_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               funnel@6042000 {
> +                       compatible = "arm,coresight-funnel", "arm,primecell";
> +                       reg = <0x06042000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       funnel1_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&merge_funnel_in1>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@6 {
> +                                       reg = <6>;
> +                                       funnel1_in6: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_merge_funnel_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               funnel@6045000 {
> +                       compatible = "arm,coresight-funnel", "arm,primecell";
> +                       reg = <0x06045000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       merge_funnel_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etf_in>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@0 {
> +                                       reg = <0>;
> +                                       merge_funnel_in0: endpoint {
> +                                               remote-endpoint =
> +                                                 <&funnel0_out>;
> +                                       };
> +                               };
> +
> +                               port@1 {
> +                                       reg = <1>;
> +                                       merge_funnel_in1: endpoint {
> +                                               remote-endpoint =
> +                                                 <&funnel1_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               replicator@6046000 {
> +                       compatible = "arm,coresight-dynamic-replicator", "arm,primecell";
> +                       reg = <0x06046000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       replicator_out: endpoint {
> +                                               remote-endpoint = <&etr_in>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               port {
> +                                       replicator_in: endpoint {
> +                                               remote-endpoint = <&etf_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etf@6047000 {
> +                       compatible = "arm,coresight-tmc", "arm,primecell";
> +                       reg = <0x06047000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       etf_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&replicator_in>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               port {
> +                                       etf_in: endpoint {
> +                                               remote-endpoint =
> +                                                 <&merge_funnel_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etr@6048000 {
> +                       compatible = "arm,coresight-tmc", "arm,primecell";
> +                       reg = <0x06048000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +                       arm,scatter-gather;
> +
> +                       in-ports {
> +                               port {
> +                                       etr_in: endpoint {
> +                                               remote-endpoint =
> +                                                 <&replicator_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etm@7840000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07840000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU0>;
> +
> +                       out-ports {
> +                               port {
> +                                       etm0_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_funnel_in0>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etm@7940000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07940000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU1>;
> +
> +                       out-ports {
> +                               port {
> +                                       etm1_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_funnel_in1>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etm@7a40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07a40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU2>;
> +
> +                       out-ports {
> +                               port {
> +                                       etm2_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_funnel_in2>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etm@7b40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07b40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU3>;
> +
> +                       out-ports {
> +                               port {
> +                                       etm3_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_funnel_in3>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               funnel@7b60000 { /* APSS Funnel */
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07b60000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       apss_funnel_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_merge_funnel_in>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@0 {
> +                                       reg = <0>;
> +                                       apss_funnel_in0: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm0_out>;
> +                                       };
> +                               };
> +
> +                               port@1 {
> +                                       reg = <1>;
> +                                       apss_funnel_in1: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm1_out>;
> +                                       };
> +                               };
> +
> +                               port@2 {
> +                                       reg = <2>;
> +                                       apss_funnel_in2: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm2_out>;
> +                                       };
> +                               };
> +
> +                               port@3 {
> +                                       reg = <3>;
> +                                       apss_funnel_in3: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm3_out>;
> +                                       };
> +                               };
> +
> +                               port@4 {
> +                                       reg = <4>;
> +                                       apss_funnel_in4: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm4_out>;
> +                                       };
> +                               };
> +
> +                               port@5 {
> +                                       reg = <5>;
> +                                       apss_funnel_in5: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm5_out>;
> +                                       };
> +                               };
> +
> +                               port@6 {
> +                                       reg = <6>;
> +                                       apss_funnel_in6: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm6_out>;
> +                                       };
> +                               };
> +
> +                               port@7 {
> +                                       reg = <7>;
> +                                       apss_funnel_in7: endpoint {
> +                                               remote-endpoint =
> +                                                 <&etm7_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               funnel@7b70000 {
> +                       compatible = "arm,coresight-funnel", "arm,primecell";
> +                       reg = <0x07b70000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       out-ports {
> +                               port {
> +                                       apss_merge_funnel_out: endpoint {
> +                                               remote-endpoint =
> +                                                 <&funnel1_in6>;
> +                                       };
> +                               };
> +                       };
> +
> +                       in-ports {
> +                               port {
> +                                       apss_merge_funnel_in: endpoint {
> +                                               remote-endpoint =
> +                                                 <&apss_funnel_out>;
> +                                       };
> +                               };
> +                       };
> +               };
> +
> +               etm@7c40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07c40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU4>;
> +
> +                       port{
> +                               etm4_out: endpoint {
> +                                       remote-endpoint = <&apss_funnel_in4>;
> +                               };
> +                       };
> +               };
> +
> +               etm@7d40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07d40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU5>;
> +
> +                       port{
> +                               etm5_out: endpoint {
> +                                       remote-endpoint = <&apss_funnel_in5>;
> +                               };
> +                       };
> +               };
> +
> +               etm@7e40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07e40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU6>;
> +
> +                       port{
> +                               etm6_out: endpoint {
> +                                       remote-endpoint = <&apss_funnel_in6>;
> +                               };
> +                       };
> +               };
> +
> +               etm@7f40000 {
> +                       compatible = "arm,coresight-etm4x", "arm,primecell";
> +                       reg = <0x07f40000 0x1000>;
> +
> +                       clocks = <&rpmcc RPM_SMD_QDSS_CLK>, <&rpmcc RPM_SMD_QDSS_A_CLK>;
> +                       clock-names = "apb_pclk", "atclk";
> +
> +                       cpu = <&CPU7>;
> +
> +                       port{
> +                               etm7_out: endpoint {
> +                                       remote-endpoint = <&apss_funnel_in7>;
> +                               };
> +                       };
> +               };
> +
>                 spmi_bus: spmi@800f000 {
>                         compatible = "qcom,spmi-pmic-arb";
>                         reg =   <0x800f000 0x1000>,
> --
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
>

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>