| From: |
| Yuanfang Zhang <yuanfang.zhang-AT-oss.qualcomm.com> |
| To: |
| Suzuki K Poulose <suzuki.poulose-AT-arm.com>, Mike Leach <mike.leach-AT-linaro.org>, James Clark <james.clark-AT-linaro.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Alexander Shishkin <alexander.shishkin-AT-linux.intel.com> |
| Subject: |
| [PATCH v5 0/3] coresight-tnoc: Add support for Interconnect TNOC |
| Date: |
| Wed, 15 Oct 2025 22:49:29 -0700 |
| Message-ID: |
| <20251015-itnoc-v5-0-d7ca2b1cc6df@oss.qualcomm.com> |
| Cc: |
| kernel-AT-oss.qualcomm.com, coresight-AT-lists.linaro.org, linux-arm-kernel-AT-lists.infradead.org, linux-arm-msm-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Yuanfang Zhang <yuanfang.zhang-AT-oss.qualcomm.com>, Leo Yan <leo.yan-AT-arm.com> |
| Archive-link: |
| Article |
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@oss.qualcomm.com>
---
Changes in v5:
- Add the missing review-by tag for patch 3.
- Link to v4: https://lore.kernel.org/r/20250831-itnoc-v4-0-f0fb0ef822a...
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-f1b55dea7a2...
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-v2-0-2d0e6be44e2...
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-v1-0-62c8e4f7ad3...
---
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 <yuanfang.zhang@oss.qualcomm.com>
