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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b4cd366f95asm8559358a12.51.2025.08.31.23.58.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Aug 2025 23:58:18 -0700 (PDT) From: Yuanfang Zhang Subject: [PATCH v4 0/3] coresight-tnoc: Add support for Interconnect TNOC Date: Sun, 31 Aug 2025 23:58:12 -0700 Message-Id: <20250831-itnoc-v4-0-f0fb0ef822a5@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAREtWgC/3XM0QrCIBTG8VcZXufQM52rq94junB61oSapWsUY ++eGwxG1I3wyfn9RxIxOIzkkI0k4OCi810aYpcR0+rugtTZtAkwkKzikrq+84aKkoEqLK8rZki 6vQds3GvpnM5pty72PryX7MDn3+/CwCmjJZgKRaO0LeDoY8wfT301/nbL00Pm0ABbvF8xJAyWY VmjEAjNH1xsMFQrLhJueC2lRa00qB94mqYPNWPh9BsBAAA= X-Change-ID: 20250815-itnoc-460273d1b80c To: Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexander Shishkin Cc: kernel@oss.qualcomm.com, 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, Yuanfang Zhang , Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1756709897; l=2054; i=yuanfang.zhang@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=Bohuu2nXAiF4O2/AKaeromzfaJnb02aZ3+OBrSc4vGY=; b=ET8jnq7cEfnTAI4blvxKkZzx0y6DFwRxd0mxO2N8ainzsfhuOU2lmKrzM8nqL0Fn00ZjlSEsG fJFPEVbeEInDZaAU6ivgNEnSv4eMiGVXzWaZcXvRkS1FXVTv8VXkW7c X-Developer-Key: i=yuanfang.zhang@oss.qualcomm.com; a=ed25519; pk=9oS/FoPW5k0CsqSDDrPlnV+kVIOUaAe0O5pr4M1wHgY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAzMSBTYWx0ZWRfX3gm3T+vBTfc7 bx7BD6Jo7KXoFJTljx5ZHljcRJhGnDrY2Ux/e77ba+zZzlotkS261PVHG8lrthaNq3Drjfiee0c lqTF1t2OTeKm9Yy1pj3egvSo0ssiyaZGF4w465kZbKvAr5+KNih2OqH+gTAI8aEo/ugq1zavly2 v2e5Z/OdEr+7oACk+LgEFVnIUUPrZTYOK6RTRrc9aNPOejsIyDaBFWIGGhD8uTy1hM5F32/L1ZE ZyDVbOqu9P11XxMyg3X/mY/RyuB3ygWo4KZIcbQhj0rd4E8aFoZF+3N9GolFEDc2JapoH01aU+k Bf2TI46p7RYrsm7GoAJ9BC815KDEcWIaurEtDkOWwbcak0xkb6GorIJHIMLhlP8WY/R9R9Kw8yu W97DJhzO X-Authority-Analysis: v=2.4 cv=A8xsP7WG c=1 sm=1 tr=0 ts=68b5440c cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=G-CQVniXWX8y_UMPSkYA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: 2lCPhBJ5h7x7pLv1uheWYTkeHFvywZbN X-Proofpoint-GUID: 2lCPhBJ5h7x7pLv1uheWYTkeHFvywZbN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-01_03,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 impostorscore=0 bulkscore=0 clxscore=1015 suspectscore=0 malwarescore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300031 This patch series adds support for the Qualcomm CoreSight Interconnect TNOC (Trace Network On Chip) block, which acts as a CoreSight graph link forwarding trace data from subsystems to the Aggregator TNOC. Unlike the Aggregator TNOC, this block does not support aggregation or ATID assignment. Signed-off-by: Yuanfang Zhang --- Changes in v4: - Fix unintended blank line removals in trace_noc_enable_hw. - Link to v3: https://lore.kernel.org/r/20250828-itnoc-v3-0-f1b55dea7a27@oss.qualcomm.com Changes in v3: - Add detail for changes in V2. - Remove '#address-cells' and '#size-cells' properties from in-ports field. - Fix comment indentation for packet description. - Link to v2: https://lore.kernel.org/r/20250819-itnoc-v2-0-2d0e6be44e2f@oss.qualcomm.com Changes in v2: - Removed the trailing '|' after the description in qcom,coresight-itnoc.yaml. - Dropped the 'select' section from the YAML file. - Updated node name to use a more generic naming convention. - Removed the 'items' property from the compatible field. - Deleted the description for the reg property. - Dropped clock-names and adjusted the order of clock-names and clocks. - Moved additionalProperties to follow the $ref of out-ports. - Change "atid" type from u32 to int, set it as "-EOPNOTSUPP" for non-AMBA device. - Link to v1: https://lore.kernel.org/r/20250815-itnoc-v1-0-62c8e4f7ad32@oss.qualcomm.com --- Yuanfang Zhang (3): dt-bindings: arm: qcom: Add Coresight Interconnect TNOC coresight-tnoc: add platform driver to support Interconnect TNOC coresight-tnoc: Add runtime PM support for Interconnect TNOC .../bindings/arm/qcom,coresight-itnoc.yaml | 90 ++++++++++++++ drivers/hwtracing/coresight/coresight-tnoc.c | 136 +++++++++++++++++++-- 2 files changed, 215 insertions(+), 11 deletions(-) --- base-commit: 2b52cf338d39d684a1c6af298e8204902c026aca change-id: 20250815-itnoc-460273d1b80c Best regards, -- Yuanfang Zhang