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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b472d7944e6sm1256386a12.54.2025.08.15.06.18.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Aug 2025 06:18:27 -0700 (PDT) From: Yuanfang Zhang Subject: [PATCH 0/3] coresight-tnoc: Add support for Interconnect TNOC Date: Fri, 15 Aug 2025 06:18:11 -0700 Message-Id: <20250815-itnoc-v1-0-62c8e4f7ad32@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=H4sIAJMzn2gC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1MDC0NT3cySvPxkXRMzAyNz4xTDJAuDZCWg2oKi1LTMCrA50bG1tQD4+X3 aVwAAAA== 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=1755263906; l=976; i=yuanfang.zhang@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=tZvCUIV6qFGLGvVtuK5LH9xKC+z1XirS0OHevyW3A0I=; b=/y7yCqYrQE6UiowbeO+3Y1+8kdR4PxSbc5lm7I+OXET3NFKx6udfiCilwy3Xjff35ud/O/7Zu 0677fDQMCsXATGlVNEG6PABModwamaG4PE2RYi5Fya+6LMEzXMH3Oct X-Developer-Key: i=yuanfang.zhang@oss.qualcomm.com; a=ed25519; pk=9oS/FoPW5k0CsqSDDrPlnV+kVIOUaAe0O5pr4M1wHgY= X-Proofpoint-GUID: iEhpSr97yiLCL_vqy5hrYIxJ_QEvEuQi X-Proofpoint-ORIG-GUID: iEhpSr97yiLCL_vqy5hrYIxJ_QEvEuQi X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODExMDA2OCBTYWx0ZWRfX8GXtdH/+3OwO me2rkpfWEqWT9OHT07/kDGxkJ5k8fA/Tv3iDbxfKvZklaWd+2hSARq0sQbGGi1mEkYpgVVRVw9C BjGS6m7g+jl3lv0nq0j+rvd7nyfxkwUstcdb9zCOaGM0zMxZxufj2/Cy34rVjU+/+LsM3+xbfdk yDstYd5NgEv6qD+kU+ntRa6K/VBpfl/LL366LbgyEp1cEjmrPbZMhptgqsa3Q0xe6qe6J8LiOU7 vn5YTKxFmi3rqbwOPPZqvZDb/uNTqe0k+asZ+9M/Nk1Kaw5jT9j8U/Yh5TvfXV5uXp/Wq+YRSZ0 lFUzioVtUjgKjprRGjafi8EW6qlt+tqyf+d+Ath82wgMIeuOat4GdAcMgdUK0nivsYCmrlDYDQM fNaqxlRR X-Authority-Analysis: v=2.4 cv=YMafyQGx c=1 sm=1 tr=0 ts=689f33a5 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=EUspDBNiAAAA:8 a=f40Fa9qqsm2vFiWgvDIA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 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=2025-08-15_04,2025-08-14_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 priorityscore=1501 spamscore=0 suspectscore=0 adultscore=0 impostorscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508110068 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 --- 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 | 108 +++++++++++++ drivers/hwtracing/coresight/coresight-tnoc.c | 179 +++++++++++++++------ 2 files changed, 240 insertions(+), 47 deletions(-) --- base-commit: 2b52cf338d39d684a1c6af298e8204902c026aca change-id: 20250815-itnoc-460273d1b80c Best regards, -- Yuanfang Zhang