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From: Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
To: 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>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Leo Yan <leo.yan@linux.dev>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>
Cc: kernel@oss.qualcomm.com, coresight@lists.linaro.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>,
	maulik.shah@oss.qualcomm.com
Subject: [PATCH v2 01/12] dt-bindings: arm: coresight: Add 'qcom,cpu-bound-components' property
Date: Thu, 18 Dec 2025 00:09:41 -0800	[thread overview]
Message-ID: <20251218-cpu_cluster_component_pm-v2-1-2335a6ae62a0@oss.qualcomm.com> (raw)
In-Reply-To: <20251218-cpu_cluster_component_pm-v2-0-2335a6ae62a0@oss.qualcomm.com>

Introduce the `qcom,cpu-bound-components` boolean property for CoreSight
components (TMC, Funnel, and Replicator).

This property indicates that the component is physically located within a
CPU cluster power domain. Such components share the power state of the
cluster and may require special handling (e.g., cross-CPU register
access) compared to system-wide components.

Signed-off-by: Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
---
 .../devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml        | 5 +++++
 .../devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml    | 5 +++++
 Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml         | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
index b74db15e5f8af2226b817f6af5f533b1bfc74736..a4c7333e8359da9035a9fed999ec99159e00a1d9 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
@@ -57,6 +57,11 @@ properties:
   power-domains:
     maxItems: 1
 
+  qcom,cpu-bound-components:
+    type: boolean
+    description:
+      Indicates whether the funnel is located physically within cpu cluster.
+
   label:
     description:
       Description of a coresight device.
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
index 17ea936b796fd42bb885e539201276a11e91028c..2c6e78f02ed84d95bb4366e4c4bbd1b3953efa32 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
@@ -67,6 +67,11 @@ properties:
       Indicates that the replicator will lose register context when AMBA clock
       is removed which is observed in some replicator designs.
 
+  qcom,cpu-bound-components:
+    type: boolean
+    description:
+      Indicates whether the replicator is located physically within cpu cluster.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
     additionalProperties: false
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
index 96dd5b5f771a39138df9adde0c9c9a6f5583d9da..8c4f2244a5c74dc8654892305025a4e6bccbce07 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
@@ -86,6 +86,11 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     maximum: 15
 
+  qcom,cpu-bound-components:
+    type: boolean
+    description:
+      indicates whether the TMC-ETF is located physically within cpu cluster.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
     additionalProperties: false

-- 
2.34.1


  reply	other threads:[~2025-12-18  8:10 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-18  8:09 [PATCH v2 00/12] coresight: Add CPU cluster funnel/replicator/tmc support Yuanfang Zhang
2025-12-18  8:09 ` Yuanfang Zhang [this message]
2025-12-18 11:37   ` [PATCH v2 01/12] dt-bindings: arm: coresight: Add 'qcom,cpu-bound-components' property Sudeep Holla
2025-12-18  8:09 ` [PATCH v2 02/12] coresight-funnel: Support CPU cluster funnel initialization Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 03/12] coresight-funnel: Defer probe when associated CPUs are offline Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 04/12] coresight-replicator: Support CPU cluster replicator initialization Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 05/12] coresight-replicator: Defer probe when associated CPUs are offline Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 06/12] coresight-replicator: Update management interface for CPU-bound devices Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 07/12] coresight-tmc: Support probe and initialization for CPU cluster TMCs Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 08/12] coresight-tmc-etf: Refactor enable function for CPU cluster ETF support Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 09/12] coresight-tmc: Update management interface for CPU-bound TMCs Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 10/12] coresight-tmc: Defer probe when associated CPUs are offline Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 11/12] coresight: Pass trace mode to link enable callback Yuanfang Zhang
2025-12-18  8:09 ` [PATCH v2 12/12] arm64: dts: qcom: hamoa: Add CoreSight nodes for APSS debug block yuanfang Zhang
2025-12-18  9:32 ` [PATCH v2 00/12] coresight: Add CPU cluster funnel/replicator/tmc support Suzuki K Poulose
2025-12-18 16:18   ` yuanfang zhang
2025-12-18 17:04     ` Suzuki K Poulose
2025-12-19 10:06       ` Sudeep Holla
2025-12-18 10:40 ` Leo Yan
2025-12-19  1:50   ` yuanfang zhang
2025-12-19 10:42     ` Leo Yan
2025-12-18 11:33 ` Sudeep Holla
2025-12-19  2:13   ` yuanfang zhang
2025-12-19 10:21     ` Sudeep Holla
2025-12-19 10:28       ` Suzuki K Poulose

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