linux-kernel - [PATCH 1/3] dt-bindings/perf: Add Arm NI-700 PMU

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Message-Id: <4992eacd883cbc54519ffea5bd35f80463cf504a.1713972897.git.robin.murphy@arm.com>
Date: Thu, 25 Apr 2024 13:29:52 +0100
From: Robin Murphy <robin.murphy@....com>
To: will@...nel.org,
	mark.rutland@....com
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	jialong.yang@...ngroup.cn
Subject: [PATCH 1/3] dt-bindings/perf: Add Arm NI-700 PMU

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.

Signed-off-by: Robin Murphy <robin.murphy@....com>
---
 .../devicetree/bindings/perf/arm,ni.yaml      | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/perf/arm,ni.yaml

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@....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
-- 
2.39.2.101.g768bb238c484.dirty