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From: Jie Gan <jie.gan@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.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>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: glymur: add coresight nodes
Date: Mon, 23 Mar 2026 20:30:18 +0800	[thread overview]
Message-ID: <7972211e-d735-4401-ada9-b83c7b96b612@oss.qualcomm.com> (raw)
In-Reply-To: <ef89e328-fda6-43f4-b40c-8834d16e2cfd@oss.qualcomm.com>



On 3/23/2026 7:05 PM, Konrad Dybcio wrote:
> On 3/18/26 12:42 PM, Jie Gan wrote:
>> Add CoreSight nodes to enable trace paths like TPDM->ETF/STM->ETF.
>> These devices are part of the AOSS, CDSP, QDSS, PCIe5, TraceNoc and
>> some small subsystems, such as GCC, IPCC, PMU and so on.
>>
>> Signed-off-by: Jie Gan <jie.gan@oss.qualcomm.com>
>> ---
>> Changes in V2:
>> 1. removed two cti devices due to GFX block is down
> 
> i.e. "because GPU is not yet enabled"?

Yeah, these CTI devices have clock issue for enabling due to the GPU 
block is not yet enabled.

> 
>>     - cti@11c42000
>>     - cti@11c4b000
>> 2. changes two TPDM devices to static:
>>     - tpdm-cdsp-cmsr
>>     - tpdm-cdsp-cmsr2
> 
> They were TPDM instances in v1. What's the reason for the change?

These TPDMs havent clock source for accessing registers. We only need 
enable its ports to output trace data. So I have changed them to 
static-TPDM compatible.

Thanks,
Jie

> 
> Konrad


  reply	other threads:[~2026-03-23 12:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-18 11:42 Jie Gan
2026-03-23 11:05 ` Konrad Dybcio
2026-03-23 12:30   ` Jie Gan [this message]
2026-03-23 13:02     ` Konrad Dybcio
2026-03-23 13:27       ` Jie Gan
2026-03-23 14:03         ` Bjorn Andersson
2026-03-23 14:09           ` Jie Gan
2026-03-23 14:12             ` Konrad Dybcio
2026-03-23 14:18               ` Jie Gan
2026-03-25  0:59               ` Jie Gan

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