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[v3,1/3] dt-bindings/perf: Add Arm NI-700 PMU

Message ID 5f86237580219116de37e5e54d8b7eb0c9ed580d.1725037424.git.robin.murphy@arm.com (mailing list archive)
State New
Headers show
Series perf: Add Arm Network-on-Chip PMU driver | expand

Commit Message

Robin Murphy Aug. 30, 2024, 5:19 p.m. UTC 
Add an initial binding for the Arm NI-700 interconnect PMU. As with the
Arm CMN family, there are already future NI products on the roadmap, so
the overall binding is named generically just in case any
non-discoverable incompatibility between generations crops up.

Cc: <devicetree@vger.kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---

v3: No change

 .../devicetree/bindings/perf/arm,ni.yaml      | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/perf/arm,ni.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/perf/arm,ni.yaml b/Documentation/devicetree/bindings/perf/arm,ni.yaml
new file mode 100644
index 000000000000..d66fffa256d5
--- /dev/null
+++ b/Documentation/devicetree/bindings/perf/arm,ni.yaml
@@ -0,0 +1,30 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/arm,ni.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm NI (Network-on-Chip Interconnect) Performance Monitors
+
+maintainers:
+  - Robin Murphy <robin.murphy@arm.com>
+
+properties:
+  compatible:
+    const: arm,ni-700
+
+  reg:
+    items:
+      - description: Complete configuration register space
+
+  interrupts:
+    minItems: 1
+    maxItems: 32
+    description: Overflow interrupts, one per clock domain, in order of domain ID
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false