linux-kernel - [PATCH v2] dt-bindings: memory: convert H8/300 bus controller to dtschema

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Date:   Wed, 18 Aug 2021 22:29:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh+dt@...nel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v2] dt-bindings: memory: convert H8/300 bus controller to dtschema

Convert H8/300 bus controller bindings to DT schema format using
json-schema.

The conversion also extends the bindings to match what is really used in
existing devicetree sources (the original file mentions only
"renesas,h8300-bsc" but "renesas,h8300h-bsc" and "renesas,h8s-bsc" are
used with it).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

---

Changes since v1:
1. Add renesas,h8s-bsc pointed by Rob.
2. Extend commit log.
---
 .../memory-controllers/renesas,h8300-bsc.txt  | 12 -------
 .../memory-controllers/renesas,h8300-bsc.yaml | 35 +++++++++++++++++++
 2 files changed, 35 insertions(+), 12 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.txt
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.yaml

diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.txt b/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.txt
deleted file mode 100644
index cdf406c902e2..000000000000
--- a/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-* H8/300 bus controller
-
-Required properties:
-  - compatible: Must be "renesas,h8300-bsc".
-  - reg: Base address and length of BSC registers.
-
-Example.
-	bsc: memory-controller@...01e {
-		compatible = "renesas,h8300h-bsc", "renesas,h8300-bsc";
-		reg = <0xfee01e 8>;
-	};
-
diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.yaml
new file mode 100644
index 000000000000..2b18cef99511
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/renesas,h8300-bsc.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/renesas,h8300-bsc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: H8/300 bus controller
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
+  - Yoshinori Sato <ysato@...rs.sourceforge.jp>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - renesas,h8300h-bsc
+          - renesas,h8s-bsc
+      - const: renesas,h8300-bsc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    memory-controller@...01e {
+        compatible = "renesas,h8300h-bsc", "renesas,h8300-bsc";
+        reg = <0xfee01e 8>;
+    };
-- 
2.30.2