linux-kernel - Re: [PATCHv8 1/5] arm64: dts: qcom: sdm845: Add Coresight support

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Message-ID: <33215f68-1bf9-322a-d889-1d22514bdbdc@arm.com>
Date:   Fri, 19 Jul 2019 10:46:32 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     saiprakash.ranjan@...eaurora.org, gregkh@...uxfoundation.org,
        mathieu.poirier@...aro.org, leo.yan@...aro.org,
        alexander.shishkin@...ux.intel.com, mike.leach@...aro.org,
        robh+dt@...nel.org, bjorn.andersson@...aro.org,
        devicetree@...r.kernel.org, david.brown@...aro.org,
        mark.rutland@....com
Cc:     rnayak@...eaurora.org, vivek.gautam@...eaurora.org,
        sibis@...eaurora.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        marc.w.gonzalez@...e.fr
Subject: Re: [PATCHv8 1/5] arm64: dts: qcom: sdm845: Add Coresight support


Hi Sai,


On 12/07/2019 15:16, Sai Prakash Ranjan wrote:
> Add coresight components found on Qualcomm SDM845 SoC.
> 
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> Acked-by: Suzuki K Poulose <suzuki.poulose@....com>
> ---
>   arch/arm64/boot/dts/qcom/sdm845.dtsi | 451 +++++++++++++++++++++++++++
>   1 file changed, 451 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 4babff5f19b5..5d7e3f8e0f91 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -1815,6 +1815,457 @@
>   			clock-names = "xo";
>   		};
>   
> +		stm@...2000 {
> +			compatible = "arm,coresight-stm", "arm,primecell";
> +			reg = <0 0x06002000 0 0x1000>,
> +			      <0 0x16280000 0 0x180000>;
> +			reg-names = "stm-base", "stm-stimulus-base";
> +
> +			clocks = <&aoss_qmp>;
> +			clock-names = "apb_pclk";
> +
> +			out-ports {
> +				port {
> +					stm_out: endpoint {
> +						remote-endpoint =
> +						  <&funnel0_in7>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@...1000 {
> +			compatible = "arm,coresight-funnel", "arm,primecell";

We added support for static funnels and have thus updated our DT bindings. And
that implies, the above binding is now obsolete.
As of the coresight/next tree, and thus linux-next, this must be 
arm,coresight-dynamic-funnel and same applies everywhere else in the series. 
Please could you
update the series ?

Kind regards
Suzuki