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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b04e58d423sm2564824eec.6.2025.12.18.00.10.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Dec 2025 00:10:40 -0800 (PST) From: Yuanfang Zhang Date: Thu, 18 Dec 2025 00:09:41 -0800 Subject: [PATCH v2 01/12] dt-bindings: arm: coresight: Add 'qcom,cpu-bound-components' property Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251218-cpu_cluster_component_pm-v2-1-2335a6ae62a0@oss.qualcomm.com> References: <20251218-cpu_cluster_component_pm-v2-0-2335a6ae62a0@oss.qualcomm.com> In-Reply-To: <20251218-cpu_cluster_component_pm-v2-0-2335a6ae62a0@oss.qualcomm.com> To: Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Leo Yan , Alexander Shishkin , Bjorn Andersson , Konrad Dybcio 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 , maulik.shah@oss.qualcomm.com X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766045439; l=3052; i=yuanfang.zhang@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=+Jqa7JFXnLG9afqUMCpYAS5qCe7jJ7CCqJKnko2EM/E=; b=QxzfOTMXLpA75RWYYuwBvLFwkh6xifOv2aAmFGxZ7X3aUgF6UJGRlSWV7WZkOOqFEveY2HRNN BZgiyJ9fG8+Bh902i2nsoVUOu33jThGzWU31j9n/CWl/Di2RwU1Bm8E X-Developer-Key: i=yuanfang.zhang@oss.qualcomm.com; a=ed25519; pk=9oS/FoPW5k0CsqSDDrPlnV+kVIOUaAe0O5pr4M1wHgY= X-Proofpoint-ORIG-GUID: ydB4HqFB3PQHznMoeifz3Uxk-S7Urmxs X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE4MDA2NiBTYWx0ZWRfX8b6WSkhl98sq 5hKefSk5jdjiE9bfBMBAsKMYRzA6AIS9wAoFkkMcis6dyzrB8k7YG0BE+GIdyad3oRPPFBzaKfC 1krXtQXlqy7dZTaZD948io8m15jBeV7kl5F1F8XCbxu/gENUuHRJIgFrHH74waIS+6p4Ir3jdcC 7HMfiJr7TRFOd3T7uNp8Oi0iTi/rX0U9S8ojfdjFveETpTU6KSPzJRxraUo6yyRweOZq4fI3UeI 43yMBDUYi0dyoQiMr7rJ6OllwTbtyI1P9MYjoBTriSnTLLxDEh2w5NozNOGPuDS0Z85ZxVuv3aH As0Aw4VGvdXYTkL4KA6d25pmB+JJfrmGOwCHklIX1dnDBPu5FQpUK5zAPEQJuP9qhBFyv9AxHDd vSPWNxEXDLdIYEwwJa93Yrww1yJYRg== X-Authority-Analysis: v=2.4 cv=NPHYOk6g c=1 sm=1 tr=0 ts=6943b703 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=zthVEJJq2wqy0CFkTqIA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-GUID: ydB4HqFB3PQHznMoeifz3Uxk-S7Urmxs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-18_01,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 adultscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512180066 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 --- .../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