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Message-ID: <CANLsYkwc_HQf=ghP7La7szKuPwVmdzjcr-91Z70hmzEGAEC+_A@mail.gmail.com>
Date: Thu, 7 Feb 2019 13:20:32 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andy Gross <andy.gross@...aro.org>,
David Brown <david.brown@...aro.org>,
Vivek Gautam <vivek.gautam@...eaurora.org>,
Jeffrey Hugo <jhugo@...eaurora.org>,
Doug Anderson <dianders@...omium.org>,
Stephen Boyd <sboyd@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
devicetree@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
Marc Gonzalez <marc.w.gonzalez@...e.fr>,
Rajendra Nayak <rnayak@...eaurora.org>,
Sibi Sankar <sibis@...eaurora.org>,
Tingwei Zhang <tingwei@...eaurora.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCHv7 2/6] arm64: dts: qcom: msm8998: Add Coresight support
On Thu, 31 Jan 2019 at 17:54, Sai Prakash Ranjan
<saiprakash.ranjan@...eaurora.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@...eaurora.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@...2000 {
> + 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@...1000 {
> + 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@...2000 {
> + 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@...5000 {
> + 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@...6000 {
> + 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@...7000 {
> + 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@...8000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...0000 { /* 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@...0000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...0000 {
> + 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@...f000 {
> 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@...aro.org>
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