linux-kernel - [PATCH v1] dt-bindings: cache: ax45mp: add 2048 as a supported cache-sets value

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Message-ID: <20250827-negligee-kinship-7832ba58deba@spud>
Date: Wed, 27 Aug 2025 19:03:44 +0100
From: Conor Dooley <conor@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: Conor Dooley <conor.dooley@...rochip.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Ben Zong-You Xie <ben717@...estech.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] dt-bindings: cache: ax45mp: add 2048 as a supported cache-sets value

From: Conor Dooley <conor.dooley@...rochip.com>

The QiLai implementation of this cache controller uses a cache-sets of
2048, and mandates it in an if/else block - but the definition of the
property only permits 1024. Add 2048 as an option, and deny its use
outside of the QiLai.

Fixes: 51b081cdb9237 ("dt-bindings: cache: add QiLai compatible to ax45mp")
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
CC: Conor Dooley <conor@...nel.org>
CC: Rob Herring <robh@...nel.org>
CC: Krzysztof Kozlowski <krzk+dt@...nel.org>
CC: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
CC: Ben Zong-You Xie <ben717@...estech.com>
CC: devicetree@...r.kernel.org
CC: linux-kernel@...r.kernel.org
---
 .../devicetree/bindings/cache/andestech,ax45mp-cache.yaml   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/cache/andestech,ax45mp-cache.yaml b/Documentation/devicetree/bindings/cache/andestech,ax45mp-cache.yaml
index 4de5bb2e5f246..b135ffa4ab6b8 100644
--- a/Documentation/devicetree/bindings/cache/andestech,ax45mp-cache.yaml
+++ b/Documentation/devicetree/bindings/cache/andestech,ax45mp-cache.yaml
@@ -47,7 +47,7 @@ properties:
     const: 2
 
   cache-sets:
-    const: 1024
+    enum: [1024, 2048]
 
   cache-size:
     enum: [131072, 262144, 524288, 1048576, 2097152]
@@ -81,6 +81,10 @@ allOf:
           const: 2048
         cache-size:
           const: 2097152
+    else:
+      properties:
+        cache-sets:
+          const: 1024
 
 examples:
   - |
-- 
2.47.2