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Message-Id: <2150e87f33284ba55cf6594def018a02bcf809fe.1725296395.git.robin.murphy@arm.com>
Date: Mon, 2 Sep 2024 18:52:03 +0100
From: Robin Murphy <robin.murphy@....com>
To: will@...nel.org
Cc: mark.rutland@....com,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
ilkka@...amperecomputing.com,
devicetree@...r.kernel.org,
Rob Herring <robh@...nel.org>
Subject: [PATCH v2 7/8] dt-bindings: perf: arm-cmn: Add CMN S3
The CMN S3 PMU is functionally still very similar to CMN-700, however
while the register contents are compatible, many of them are moved to
different offsets. While this is technically discoverable by a careful
driver that understands the part number in the peripheral ID registers
(which do at least remain in the same place), a new unique compatible
seems warranted to avoid any surprises.
CC: <devicetree@...r.kernel.org>
Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Robin Murphy <robin.murphy@....com>
---
Documentation/devicetree/bindings/perf/arm,cmn.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/perf/arm,cmn.yaml b/Documentation/devicetree/bindings/perf/arm,cmn.yaml
index 2e51072e794a..0e9d665584e6 100644
--- a/Documentation/devicetree/bindings/perf/arm,cmn.yaml
+++ b/Documentation/devicetree/bindings/perf/arm,cmn.yaml
@@ -16,6 +16,7 @@ properties:
- arm,cmn-600
- arm,cmn-650
- arm,cmn-700
+ - arm,cmn-s3
- arm,ci-700
reg:
--
2.39.2.101.g768bb238c484.dirty
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