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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3237e3eef8fsm2499643a91.18.2025.08.19.03.27.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Aug 2025 03:27:52 -0700 (PDT) From: Yuanfang Zhang Subject: [PATCH v2 0/3] coresight-tnoc: Add support for Interconnect TNOC Date: Tue, 19 Aug 2025 03:27:42 -0700 Message-Id: <20250819-itnoc-v2-0-2d0e6be44e2f@oss.qualcomm.com> 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 X-B4-Tracking: v=1; b=H4sIAJ9RpGgC/12Myw7CIBBFf6WZtTRAX8SV/2G6QKB2EguVqUTT8 O9il25ucm5Ozg7kIjqCc7VDdAkJgy8gTxWYWfu7Y2gLg+Sy40p0DDcfDGt7LofGipviBoq7Rjf h++hcx8Iz0hbi58gm8Xv/C0kwznpplGunQdtGXgJR/XzphwnLUpeBMef8Be4yqRWhAAAA 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 X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755599271; l=1208; i=yuanfang.zhang@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=XHlIDamfozF0NB3BJsqHQ2b+McMZm5vEA+kk0C9b6SM=; b=7C6M4/UOPx5g23jPQPBAf62HvnTMhZrJOK1dyo2JQfFc3IumuNoX1xYONxfzKsr/SIhyPRB+Y uzpmlgMQzCrDHokCxhGOakwF+xq32r0XeI8ruflGjYU3OPvVakR8Mqz X-Developer-Key: i=yuanfang.zhang@oss.qualcomm.com; a=ed25519; pk=9oS/FoPW5k0CsqSDDrPlnV+kVIOUaAe0O5pr4M1wHgY= X-Authority-Analysis: v=2.4 cv=Sdn3duRu c=1 sm=1 tr=0 ts=68a451a9 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=s8j_kBg_6ddNrZYoh_kA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: 0i_Pm3Ja4lpL8CLOjAuzHPlUCbKYnYQ3 X-Proofpoint-GUID: 0i_Pm3Ja4lpL8CLOjAuzHPlUCbKYnYQ3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODE2MDA0MiBTYWx0ZWRfXzxtPnzTsO/8M egP7KZzVthIYMHgZYGsNop/mlbz4RlaA11iifR+rE1LK3xXR3tMiAj52gl06Y+wm26A6P0kMxeB eHhjfMRsloTO3LAox4JLcOGcPNz6dlYWxsbOKWA+TsuHQ3U2uGcFdjF9Gs++LokDxWGzeDUjZQi WFhuL6ScX3wmsT3woWhx00hYtBwNhLefHiHk87C6OMiANDM1KoFfMos37Ml4z4gmHVgVflqUGxg MfqabPiks7qLehnMSQFDN8CN1zlahLCI6peEpZQByhTUsV9AtPVSvbGMK932BBLb8I8kurRHtcB vm+1fned4eh974dLmap2FTgGufyj+x7o4rotZCZ0Ku92lmKAxVHtb0rZ/cMxR77n/zQ40R6WpXa noD8ll0o 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=2025-08-19_01,2025-08-14_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 spamscore=0 adultscore=0 malwarescore=0 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508160042 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 v2: - Refactor the dt-binding file. - 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 | 96 ++++++++++++++ drivers/hwtracing/coresight/coresight-tnoc.c | 147 ++++++++++++++++++--- 2 files changed, 226 insertions(+), 17 deletions(-) --- base-commit: 2b52cf338d39d684a1c6af298e8204902c026aca change-id: 20250815-itnoc-460273d1b80c Best regards, -- Yuanfang Zhang