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From: Jie Gan <jie.gan@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mike Leach <mike.leach@linaro.org>,
	James Clark <james.clark@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Tingwei Zhang <tingwei.zhang@oss.qualcomm.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>
Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/3] arm64: dts: qcom: hamoa: enable ETR and CTCU devices
Date: Tue, 3 Feb 2026 17:50:17 +0800	[thread overview]
Message-ID: <c14ba722-5195-472b-a4d6-3b8f6421df7b@oss.qualcomm.com> (raw)
In-Reply-To: <c739da90-de92-4d84-bb5a-e653a9fbdcef@oss.qualcomm.com>



On 2/3/2026 5:44 PM, Konrad Dybcio wrote:
> On 2/3/26 10:32 AM, Jie Gan wrote:
>> Embedded Trace Router(ETR) is working as a DDR memory sink to collect
>> tracing data from source device.
>>
>> The CTCU serves as the control unit for the ETR device, managing its
>> behavior to determine how trace data is collected.
>>
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>> Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
>> ---
>>   arch/arm64/boot/dts/qcom/hamoa.dtsi | 160 +++++++++++++++++++++++++++++++++++-
>>   1 file changed, 159 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> index db65c392e618..88ec29446ba1 100644
>> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
>> @@ -6771,6 +6771,35 @@ data-pins {
>>   			};
>>   		};
>>   
>> +		ctcu@10001000 {
>> +			compatible = "qcom,hamoa-ctcu", "qcom,sa8775p-ctcu";
> 
> Sorry for not pointing that out explicitly the previous time around,
> but 'hamoa' also falls under the "had numerical compatibles" category

I saw the dtsi is renamed to hamoa.dtsi but we still need to use 
qcom,x1e80100 for hamoa?

Thanks,
Jie

> (you'll see the only hits for "qcom,hamoa" are "qcom,hamoa-iot-evk"
> which is a board name)
> 
> Glymur and Kaanapali are, understandably, Glymur and Kaanapali
> respectively
> 
> Konrad


  reply	other threads:[~2026-02-03  9:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-03  9:32 [PATCH v2 0/3] Enable CTCU and ETR devices for multiple QCOM platforms Jie Gan
2026-02-03  9:32 ` [PATCH v2 1/3] dt-binding: document QCOM platforms for CTCU device Jie Gan
2026-02-03  9:32 ` [PATCH v2 2/3] arm64: dts: qcom: hamoa: enable ETR and CTCU devices Jie Gan
2026-02-03  9:44   ` Konrad Dybcio
2026-02-03  9:50     ` Jie Gan [this message]
2026-02-03  9:54       ` Jie Gan
2026-02-03  9:55       ` Konrad Dybcio
2026-02-03  9:32 ` [PATCH v2 3/3] arm64: dts: qcom: sm8750: " Jie Gan

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