Re: [PATCHv8 3/5] arm64: dts: qcom: msm8996: Add Coresight support

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On Fri, Jul 12, 2019 at 07:46:25PM +0530, Sai Prakash Ranjan wrote:
> From: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>
> 
> Enable coresight support by adding device nodes for the
> available source, sinks and channel blocks on msm8996.
> 
> This also adds coresight cpu debug nodes.
> 
> Signed-off-by: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> Acked-By: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/msm8996.dtsi | 434 ++++++++++++++++++++++++++
>  1 file changed, 434 insertions(+)
> 

We've gone trhough 8 iteration of this set and I'm still finding checkpatch
problems, and I'm not referring to lines over 80 characters.

> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index 96c0a481f454..8968431e772c 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -633,6 +633,440 @@
>  			reg = <0x300000 0x90000>;
>  		};
>  
> +		stm@3002000 {
> +			compatible = "arm,coresight-stm", "arm,primecell";
> +			reg = <0x3002000 0x1000>,
> +			      <0x8280000 0x180000>;
> +			reg-names = "stm-base", "stm-stimulus-base";
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			out-ports {
> +				port {
> +					stm_out: endpoint {
> +						remote-endpoint =
> +						  <&funnel0_in>;
> +					};
> +				};
> +			};
> +		};
> +
> +		tpiu@3020000 {
> +			compatible = "arm,coresight-tpiu", "arm,primecell";
> +			reg = <0x3020000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				port {
> +					tpiu_in: endpoint {
> +						remote-endpoint =
> +						  <&replicator_out1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@3021000 {
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x3021000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				port {
> +					funnel0_in: endpoint {
> +						remote-endpoint =
> +						  <&stm_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					funnel0_out: endpoint {
> +						remote-endpoint =
> +						  <&merge_funnel_in0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@3022000 {
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x3022000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				port {
> +					funnel1_in: endpoint {
> +						remote-endpoint =
> +						  <&apss_merge_funnel_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					funnel1_out: endpoint {
> +						remote-endpoint =
> +						  <&merge_funnel_in1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@3025000 {
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x3025000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			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>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					merge_funnel_out: endpoint {
> +						remote-endpoint =
> +						  <&etf_in>;
> +					};
> +				};
> +			};
> +		};
> +
> +		replicator@3026000 {
> +			compatible = "arm,coresight-dynamic-replicator", "arm,primecell";
> +			reg = <0x3026000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				port {
> +					replicator_in: endpoint {
> +						remote-endpoint =
> +						  <&etf_out>;
> +					};
> +				};
> +			};
> +
> +			out-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>;
> +					};
> +				};
> +			};
> +		};
> +
> +		etf@3027000 {
> +			compatible = "arm,coresight-tmc", "arm,primecell";
> +			reg = <0x3027000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				port {
> +					etf_in: endpoint {
> +						remote-endpoint =
> +						  <&merge_funnel_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					etf_out: endpoint {
> +						remote-endpoint =
> +						  <&replicator_in>;
> +					};
> +				};
> +			};
> +		};
> +
> +		etr@3028000 {
> +			compatible = "arm,coresight-tmc", "arm,primecell";
> +			reg = <0x3028000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +			arm,scatter-gather;
> +
> +			in-ports {
> +				port {
> +					etr_in: endpoint {
> +						remote-endpoint =
> +						  <&replicator_out0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		debug@3810000 {
> +			compatible = "arm,coresight-cpu-debug", "arm,primecell";
> +			reg = <0x3810000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>;
> +			clock-names = "apb_pclk";
> +
> +			cpu = <&CPU0>;
> +		};
> +
> +		etm@3840000 {
> +			compatible = "arm,coresight-etm4x", "arm,primecell";
> +			reg = <0x3840000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			cpu = <&CPU0>;
> +
> +			out-ports {
> +				port {
> +					etm0_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel0_in0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		debug@3910000 {
> +			compatible = "arm,coresight-cpu-debug", "arm,primecell";
> +			reg = <0x3910000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>;
> +			clock-names = "apb_pclk";
> +
> +			cpu = <&CPU1>;
> +		};
> +
> +		etm@3940000 {
> +			compatible = "arm,coresight-etm4x", "arm,primecell";
> +			reg = <0x3940000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			cpu = <&CPU1>;
> +
> +			out-ports {
> +				port {
> +					etm1_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel0_in1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@39b0000 { /* APSS Funnel 0 */
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x39b0000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					apss_funnel0_in0: endpoint {
> +						remote-endpoint = <&etm0_out>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					apss_funnel0_in1: endpoint {
> +						remote-endpoint = <&etm1_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					apss_funnel0_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_merge_funnel_in0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		debug@3a10000 {
> +			compatible = "arm,coresight-cpu-debug", "arm,primecell";
> +			reg = <0x3a10000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>;
> +			clock-names = "apb_pclk";
> +
> +			cpu = <&CPU2>;
> +		};
> +
> +		etm@3a40000 {
> +			compatible = "arm,coresight-etm4x", "arm,primecell";
> +			reg = <0x3a40000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			cpu = <&CPU2>;
> +
> +			out-ports {
> +				port {
> +					etm2_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel1_in0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		debug@3b10000 {
> +			compatible = "arm,coresight-cpu-debug", "arm,primecell";
> +			reg = <0x3b10000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>;
> +			clock-names = "apb_pclk";
> +
> +			cpu = <&CPU3>;
> +		};
> +
> +		etm@3b40000 {
> +			compatible = "arm,coresight-etm4x", "arm,primecell";
> +			reg = <0x3b40000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			cpu = <&CPU3>;
> +
> +			out-ports {
> +				port {
> +					etm3_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel1_in1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@3bb0000 { /* APSS Funnel 1 */
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x3bb0000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					apss_funnel1_in0: endpoint {
> +						remote-endpoint = <&etm2_out>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					apss_funnel1_in1: endpoint {
> +						remote-endpoint = <&etm3_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					apss_funnel1_out: endpoint {
> +						remote-endpoint =
> +						  <&apss_merge_funnel_in1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@3bc0000 {
> +			compatible = "arm,coresight-funnel", "arm,primecell";
> +			reg = <0x3bc0000 0x1000>;
> +
> +			clocks = <&rpmcc RPM_QDSS_CLK>, <&rpmcc RPM_QDSS_A_CLK>;
> +			clock-names = "apb_pclk", "atclk";
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					apss_merge_funnel_in0: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel0_out>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					apss_merge_funnel_in1: endpoint {
> +						remote-endpoint =
> +						  <&apss_funnel1_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					apss_merge_funnel_out: endpoint {
> +						remote-endpoint =
> +						  <&funnel1_in>;
> +					};
> +				};
> +			};
> +		};
> +
>  		kryocc: clock-controller@6400000 {
>  			compatible = "qcom,apcc-msm8996";
>  			reg = <0x6400000 0x90000>;
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 



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