linux-kernel - [PATCH] dt-bindings: cache: Convert marvell,{feroceon,kirkwood}-cache to DT schema

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Message-ID: <20250513015252.1049409-1-robh@kernel.org>
Date: Mon, 12 May 2025 20:52:51 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Conor Dooley <conor@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: cache: Convert marvell,{feroceon,kirkwood}-cache to DT schema

Convert the Marvell Feroceon/Kirkwood Cache binding to DT schema format.

Use "marvell,kirkwood-cache" for the filename instead as that's only
compatible used in a .dts upstream.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../bindings/cache/marvell,feroceon-cache.txt | 16 -------
 .../cache/marvell,kirkwood-cache.yaml         | 45 +++++++++++++++++++
 2 files changed, 45 insertions(+), 16 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/cache/marvell,feroceon-cache.txt
 create mode 100644 Documentation/devicetree/bindings/cache/marvell,kirkwood-cache.yaml

diff --git a/Documentation/devicetree/bindings/cache/marvell,feroceon-cache.txt b/Documentation/devicetree/bindings/cache/marvell,feroceon-cache.txt
deleted file mode 100644
index 0d244b999d10..000000000000
--- a/Documentation/devicetree/bindings/cache/marvell,feroceon-cache.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-* Marvell Feroceon Cache
-
-Required properties:
-- compatible : Should be either "marvell,feroceon-cache" or
-  	       "marvell,kirkwood-cache".
-
-Optional properties:
-- reg        : Address of the L2 cache control register. Mandatory for
-  	       "marvell,kirkwood-cache", not used by "marvell,feroceon-cache"
-
-
-Example:
-		l2: l2-cache@...28 {
-			compatible = "marvell,kirkwood-cache";
-			reg = <0x20128 0x4>;
-		};
diff --git a/Documentation/devicetree/bindings/cache/marvell,kirkwood-cache.yaml b/Documentation/devicetree/bindings/cache/marvell,kirkwood-cache.yaml
new file mode 100644
index 000000000000..2bfa3c29f6a6
--- /dev/null
+++ b/Documentation/devicetree/bindings/cache/marvell,kirkwood-cache.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/cache/marvell,kirkwood-cache.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Feroceon/Kirkwood Cache
+
+maintainers:
+  - Andrew Lunn <andrew@...n.ch>
+  - Gregory Clement <gregory.clement@...tlin.com>
+
+properties:
+  compatible:
+    enum:
+      - marvell,feroceon-cache
+      - marvell,kirkwood-cache
+
+  reg:
+    maxItems: 1
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: marvell,kirkwood-cache
+    then:
+      required:
+        - reg
+    else:
+      properties:
+        reg: false
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    l2-cache@...28 {
+        compatible = "marvell,kirkwood-cache";
+        reg = <0x20128 0x4>;
+    };
-- 
2.47.2