dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache

Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name Composable cache to prevent confusion.

Signed-off-by: Zong Li <zong.li@sifive.com>
Suggested-by: Conor Dooley <conor.dooley@microchip.com>
Suggested-by: Ben Dooks <ben.dooks@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220913061817.22564-2-zong.li@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
similarity index 83%
rename from Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
rename to Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
index ca3b9be580584f43da83873ba2dfe2064507c871..bf3f07421f7e5df3e7ca90c88c06290074321650 100644 (file)
--- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
@@ -2,18 +2,18 @@
 # Copyright (C) 2020 SiFive, Inc.
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/riscv/sifive-l2-cache.yaml#
+$id: http://devicetree.org/schemas/riscv/sifive,ccache0.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: SiFive L2 Cache Controller
+title: SiFive Composable Cache Controller
 
 maintainers:
   - Sagar Kadam <sagar.kadam@sifive.com>
   - Paul Walmsley  <paul.walmsley@sifive.com>
 
 description:
-  The SiFive Level 2 Cache Controller is used to provide access to fast copies
-  of memory for masters in a Core Complex. The Level 2 Cache Controller also
+  The SiFive Composable Cache Controller is used to provide access to fast copies
+  of memory for masters in a Core Complex. The Composable Cache Controller also
   acts as directory-based coherency manager.
   All the properties in ePAPR/DeviceTree specification applies for this platform.
 
@@ -22,6 +22,7 @@ select:
     compatible:
       contains:
         enum:
+          - sifive,ccache0
           - sifive,fu540-c000-ccache
           - sifive,fu740-c000-ccache
 
@@ -33,6 +34,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - sifive,ccache0
               - sifive,fu540-c000-ccache
               - sifive,fu740-c000-ccache
           - const: cache
@@ -45,7 +47,7 @@ properties:
     const: 64
 
   cache-level:
-    const: 2
+    enum: [2, 3]
 
   cache-sets:
     enum: [1024, 2048]
@@ -115,6 +117,22 @@ allOf:
         cache-sets:
           const: 1024
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: sifive,ccache0
+
+    then:
+      properties:
+        cache-level:
+          enum: [2, 3]
+
+    else:
+      properties:
+        cache-level:
+          const: 2
+
 additionalProperties: false
 
 required: