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

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Message-ID: <a1a2a9c6-f58b-f849-76e4-3a76d6faaab5@codeaurora.org>
Date:   Fri, 19 Jul 2019 15:58:58 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Suzuki K Poulose <suzuki.poulose@....com>,
        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 Suzuki,

On 7/19/2019 3:16 PM, Suzuki K Poulose wrote:
> 
> 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 ?
> 

Sure, will update in the next version of the series.

Thanks,
Sai


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