linux-kernel - Re: [PATCH v4 3/3] arm64: dts: qcom: lemans: enable static TPDM

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Message-ID: <e8f2f3b2-9a87-4c2a-909e-fc771fe37e8c@arm.com>
Date: Thu, 6 Nov 2025 13:23:16 +0000
From: Suzuki K Poulose <suzuki.poulose@....com>
To: Jie Gan <jie.gan@....qualcomm.com>, Mike Leach <mike.leach@...aro.org>,
 James Clark <james.clark@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Tingwei Zhang <tingwei.zhang@....qualcomm.com>,
 Mao Jinlong <jinlong.mao@....qualcomm.com>,
 Tao Zhang <tao.zhang@....qualcomm.com>,
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, coresight@...ts.linaro.org,
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v4 3/3] arm64: dts: qcom: lemans: enable static TPDM

On 28/10/2025 10:11, Jie Gan wrote:
> Enable static TPDM device for lemans.
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> Signed-off-by: Jie Gan <jie.gan@....qualcomm.com>

Assuming this goes via some other tree:

Acked-by: Suzuki K Poulose <suzuki.poulose@....com>


> ---
>   arch/arm64/boot/dts/qcom/lemans.dtsi | 105 +++++++++++++++++++++++++++++++++++
>   1 file changed, 105 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 0b154d57ba24..8a93b353d11c 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -2961,6 +2961,14 @@ funnel1_in4: endpoint {
>   						<&apss_funnel1_out>;
>   					};
>   				};
> +
> +				port@5 {
> +					reg = <5>;
> +
> +					funnel1_in5: endpoint {
> +						remote-endpoint = <&dlct0_funnel_out>;
> +					};
> +				};
>   			};
>   		};
>   
> @@ -3118,6 +3126,60 @@ etr1_out: endpoint {
>   			};
>   		};
>   
> +		tpda@...3000 {
> +			compatible = "qcom,coresight-tpda", "arm,primecell";
> +			reg = <0x0 0x4ad3000 0x0 0x1000>;
> +
> +			clocks = <&aoss_qmp>;
> +			clock-names = "apb_pclk";
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@10 {
> +					reg = <16>;
> +					dlct0_tpda_in16: endpoint {
> +						remote-endpoint = <&turing0_funnel_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					dlct0_tpda_out: endpoint {
> +						remote-endpoint =
> +						<&dlct0_funnel_in0>;
> +					};
> +				};
> +			};
> +
> +		};
> +
> +		funnel@...4000 {
> +			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> +			reg = <0x0 0x4ad4000 0x0 0x1000>;
> +
> +			clocks = <&aoss_qmp>;
> +			clock-names = "apb_pclk";
> +
> +			in-ports {
> +				port {
> +					dlct0_funnel_in0: endpoint {
> +						remote-endpoint = <&dlct0_tpda_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					dlct0_funnel_out: endpoint {
> +						remote-endpoint = <&funnel1_in5>;
> +					};
> +				};
> +			};
> +		};
> +
>   		funnel@...4000 {
>   			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>   			reg = <0x0 0x4b04000 0x0 0x1000>;
> @@ -3390,6 +3452,35 @@ aoss_cti: cti@...3000 {
>   			clock-names = "apb_pclk";
>   		};
>   
> +		funnel@...3000 {
> +			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> +			reg = <0x0 0x4b83000 0x0 0x1000>;
> +
> +			clocks = <&aoss_qmp>;
> +			clock-names = "apb_pclk";
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					turing0_funnel_in1: endpoint {
> +						remote-endpoint = <&turing_llm_tpdm_out>;
> +					};
> +				};
> +			};
> +
> +			out-ports {
> +				port {
> +					turing0_funnel_out: endpoint {
> +						remote-endpoint = <&dlct0_tpda_in16>;
> +					};
> +				};
> +			};
> +		};
> +
>   		etm@...0000 {
>   			compatible = "arm,primecell";
>   			reg = <0x0 0x6040000 0x0 0x1000>;
> @@ -8269,6 +8360,20 @@ arch_timer: timer {
>   			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
>   	};
>   
> +	turing-llm-tpdm {
> +		compatible = "qcom,coresight-static-tpdm";
> +
> +		qcom,cmb-element-bits = <32>;
> +
> +		out-ports {
> +			port {
> +				turing_llm_tpdm_out: endpoint {
> +					remote-endpoint = <&turing0_funnel_in1>;
> +				};
> +			};
> +		};
> +	};
> +
>   	pcie0: pcie@...0000 {
>   		compatible = "qcom,pcie-sa8775p";
>   		reg = <0x0 0x01c00000 0x0 0x3000>,
>