On 29 April 2015 at 06:20, Ivan T. Ivanov <ivan.ivanov@xxxxxxxxxx> wrote:
> Add initial set of CoreSight components found on Qualcomm's 8x16 chipset.
>
> Signed-off-by: Ivan T. Ivanov <ivan.ivanov@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/msm8916-coresight.dtsi | 244 ++++++++++++++++++++++++
> 1 file changed, 244 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/msm8916-coresight.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-coresight.dtsi b/arch/arm64/boot/dts/qcom/msm8916-coresight.dtsi
> new file mode 100644
> index 0000000..08d8582
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8916-coresight.dtsi
> @@ -0,0 +1,244 @@
> +/*
> + * Copyright (c) 2013 - 2015, The Linux Foundation. All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 and
> + * only version 2 as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +&soc {
> +
> + tpiu@820000 {
> + compatible = "arm,coresight-tpiu", "arm,primecell";
> + reg = <0x820000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + port {
> + tpiu_in: endpoint {
> + slave-mode;
> + remote-endpoint = <&replicator_out1>;
> + };
> + };
> + };
> +
> + funnel@821000 {
> + compatible = "arm,coresight-funnel", "arm,primecell";
> + reg = <0x821000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@4 {
> + reg = <4>;
> + funnel0_in4: endpoint {
> + slave-mode;
> + remote-endpoint = <&funnel1_out>;
> + };
> + };
> + port@8 {
> + reg = <0>;
> + funnel0_out: endpoint {
> + remote-endpoint = <&etf_in>;
> + };
> + };
Please add a comment indicating what the other ports are connected to.
> + };
> + };
> +
> + replicator@824000 {
> + compatible = "qcom,coresight-replicator", "arm,primecell";
> + reg = <0x824000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + replicator_out0: endpoint {
> + remote-endpoint = <&etr_in>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + replicator_out1: endpoint {
> + remote-endpoint = <&tpiu_in>;
> + };
> + };
> + port@2 {
> + reg = <0>;
> + replicator_in: endpoint {
> + slave-mode;
> + remote-endpoint = <&etf_out>;
> + };
> + };
Same comment as with the funnel component.
> + };
> + };
> +
> + etf@825000 {
> + compatible = "arm,coresight-tmc", "arm,primecell";
> + reg = <0x825000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + etf_out: endpoint {
> + slave-mode;
> + remote-endpoint = <&funnel0_out>;
> + };
> + };
> + port@1 {
> + reg = <0>;
> + etf_in: endpoint {
> + remote-endpoint = <&replicator_in>;
> + };
> + };
> + };
> + };
> +
> + etr@826000 {
> + compatible = "arm,coresight-tmc", "arm,primecell";
> + reg = <0x826000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + port {
> + etr_in: endpoint {
> + slave-mode;
> + remote-endpoint = <&replicator_out0>;
> + };
> + };
> + };
> +
> + funnel@841000 { /* APSS */
> + compatible = "arm,coresight-funnel", "arm,primecell";
> + reg = <0x841000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + funnel1_in0: endpoint {
> + slave-mode;
> + remote-endpoint = <&etm0_out>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + funnel1_in1: endpoint {
> + slave-mode;
> + remote-endpoint = <&etm1_out>;
> + };
> + };
> + port@2 {
> + reg = <2>;
> + funnel1_in2: endpoint {
> + slave-mode;
> + remote-endpoint = <&etm2_out>;
> + };
> + };
> + port@3 {
> + reg = <3>;
> + funnel1_in3: endpoint {
> + slave-mode;
> + remote-endpoint = <&etm3_out>;
> + };
> + };
> + port@4 {
> + reg = <0>;
> + funnel1_out: endpoint {
> + remote-endpoint = <&funnel0_in4>;
> + };
> + };
Same comment as with the funnel component.
> + };
> + };
> +
> + etm@85c000 {
> + compatible = "arm,coresight-etm4x", "arm,primecell";
> + reg = <0x85c000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + cpu = <&CPU0>;
> +
> + port {
> + etm0_out: endpoint {
> + remote-endpoint = <&funnel1_in0>;
> + };
> + };
> + };
> +
> + etm@85d000 {
> + compatible = "arm,coresight-etm4x", "arm,primecell";
> + reg = <0x85d000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + cpu = <&CPU1>;
> +
> + port {
> + etm1_out: endpoint {
> + remote-endpoint = <&funnel1_in1>;
> + };
> + };
> + };
> +
> + etm@85e000 {
> + compatible = "arm,coresight-etm4x", "arm,primecell";
> + reg = <0x85e000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + cpu = <&CPU2>;
> +
> + port {
> + etm2_out: endpoint {
> + remote-endpoint = <&funnel1_in2>;
> + };
> + };
> + };
> +
> + etm@85f000 {
> + compatible = "arm,coresight-etm4x", "arm,primecell";
> + reg = <0x85f000 0x1000>;
> +
> + clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> + clock-names = "apb_pclk", "atclk";
> +
> + cpu = <&CPU3>;
> +
> + port {
> + etm3_out: endpoint {
> + remote-endpoint = <&funnel1_in3>;
> + };
> + };
> + };
> +};
> --
> 1.9.1
>
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