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Message-ID: <c0aa9b4a-5161-41af-8000-6b6392a53dfd@quicinc.com>
Date: Thu, 12 Dec 2024 14:24:12 +0800
From: Yuanfang Zhang <quic_yuanfang@...cinc.com>
To: <neil.armstrong@...aro.org>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: qcom: Add coresight node for SM8650
On 12/11/2024 6:48 PM, neil.armstrong@...aro.org wrote:
> Hi,
>
> On 10/12/2024 09:23, Yuanfang Zhang wrote:
>> Add coresight components: Funnel, ETE and ETF for SM8650.
>
> Is there a way to validate those are working fine ?
>
> Thanks,
> Neil
>
Yes, these can be verified on Snapdragon 8Gen3 platforms, after boot up,
these nodes can be found under /sys/bus/coresight/devices/.
thanks,
yuanfang
>>
>> Signed-off-by: Yuanfang Zhang <quic_yuanfang@...cinc.com>
>> ---
>> Changes in v2:
>> - Update compatible for funnel and etf.
>> - remove unnecessary property: reg-names and arm,primecell-periphid.
>> - Link to v1: https://lore.kernel.org/r/20241210-sm8650-cs-dt-v1-1-269693451584@quicinc.com
>> ---
>> arch/arm64/boot/dts/qcom/sm8650.dtsi | 165 +++++++++++++++++++++++++++++++++++
>> 1 file changed, 165 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
>> index 25e47505adcb790d09f1d2726386438487255824..76620d478e872a2b725693dc32364e2a183572b7 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
>> @@ -5654,6 +5654,171 @@ compute-cb@12 {
>> };
>> };
>> };
>> +
>> + ete0 {
>> + compatible = "arm,embedded-trace-extension";
>> +
>> + cpu = <&cpu0>;
>> + qcom,skip-power-up;
>> +
>> + out-ports {
>> + port {
>> + ete0_out_funnel_ete: endpoint {
>> + remote-endpoint = <&funnel_ete_in_ete0>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + funnel_ete {
>> + compatible = "arm,coresight-static-funnel";
>> +
>> + in-ports {
>> + port@0 {
>> + reg = <0>;
>> +
>> + funnel_ete_in_ete0: endpoint {
>> + remote-endpoint = <&ete0_out_funnel_ete>;
>> + };
>> + };
>> + };
>> +
>> + out-ports {
>> + port {
>> + funnel_ete_out_funnel_apss: endpoint {
>> + remote-endpoint = <&funnel_apss_in_funnel_ete>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + funnel@...10000 {
>> + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>> +
>> + reg = <0x0 0x13810000 0x0 0x1000>;
>> +
>> + clocks = <&aoss_qmp>;
>> + clock-names = "apb_pclk";
>> +
>> + in-ports {
>> + port@0 {
>> + reg = <0>;
>> +
>> + funnel_apss_in_funnel_ete: endpoint {
>> + remote-endpoint = <&funnel_ete_out_funnel_apss>;
>> + };
>> + };
>> + };
>> +
>> + out-ports {
>> + port {
>> + funnel_apss_out_funnel_in1: endpoint {
>> + remote-endpoint = <&funnel_in1_in_funnel_apss>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + funnel@...42000 {
>> + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>> +
>> + reg = <0x0 0x10042000 0x0 0x1000>;
>> +
>> + clocks = <&aoss_qmp>;
>> + clock-names = "apb_pclk";
>> +
>> + in-ports {
>> + port@4 {
>> + reg = <4>;
>> +
>> + funnel_in1_in_funnel_apss: endpoint {
>> + remote-endpoint = <&funnel_apss_out_funnel_in1>;
>> + };
>> + };
>> + };
>> +
>> + out-ports {
>> + port {
>> + funnel_in1_out_funnel_qdss: endpoint {
>> + remote-endpoint = <&funnel_qdss_in_funnel_in1>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + funnel@...45000 {
>> + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>> +
>> + reg = <0x0 0x10045000 0x0 0x1000>;
>> +
>> + clocks = <&aoss_qmp>;
>> + clock-names = "apb_pclk";
>> +
>> + in-ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@1 {
>> + reg = <1>;
>> +
>> + funnel_qdss_in_funnel_in1: endpoint {
>> + remote-endpoint = <&funnel_in1_out_funnel_qdss>;
>> + };
>> + };
>> + };
>> +
>> + out-ports {
>> + port {
>> + funnel_qdss_out_funnel_aoss: endpoint {
>> + remote-endpoint = <&funnel_aoss_in_funnel_qdss>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + funnel@...04000 {
>> + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
>> +
>> + reg = <0x0 0x10b04000 0x0 0x1000>;
>> +
>> + clocks = <&aoss_qmp>;
>> + clock-names = "apb_pclk";
>> +
>> + in-ports {
>> + port@7 {
>> + reg = <7>;
>> +
>> + funnel_aoss_in_funnel_qdss: endpoint {
>> + remote-endpoint = <&funnel_qdss_out_funnel_aoss>;
>> + };
>> + };
>> + };
>> +
>> + out-ports {
>> + port {
>> + funnel_aoss_out_tmc_etf: endpoint {
>> + remote-endpoint = <&tmc_etf_in_funnel_aoss>;
>> + };
>> + };
>> + };
>> + };
>> +
>> + tmc@...05000 {
>> + compatible = "arm,coresight-tmc", "arm,primecell";
>> +
>> + reg = <0x0 0x10b05000 0x0 0x1000>;
>> +
>> + clocks = <&aoss_qmp>;
>> + clock-names = "apb_pclk";
>> +
>> + in-ports {
>> + port {
>> + tmc_etf_in_funnel_aoss: endpoint {
>> + remote-endpoint = <&funnel_aoss_out_tmc_etf>;
>> + };
>> + };
>> + };
>> + };
>> };
>> thermal-zones {
>>
>> ---
>> base-commit: fac04efc5c793dccbd07e2d59af9f90b7fc0dca4
>> change-id: 20241209-sm8650-cs-dt-ad649dcfa5e8
>>
>> Best regards,
>
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