linux-kernel - [PATCH 7/8] dt-bindings: perf: arm-cmn: Add CMN S3

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Message-Id: <ec64f4d13b3b30c2ff242deddd302b1d1e256bd1.1723229941.git.robin.murphy@arm.com>
Date: Fri,  9 Aug 2024 20:15:46 +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
Subject: [PATCH 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>
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