linux-kernel - [PATCH v2] dt-bindings: usb: uhci: convert to dt schema

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Message-ID: <20240422093706.324115-1-sheharyaar48@gmail.com>
Date: Mon, 22 Apr 2024 15:07:04 +0530
From: Mohammad Shehar Yaar Tausif <sheharyaar48@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Mohammad Shehar Yaar Tausif <sheharyaar48@...il.com>,
	linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] dt-bindings: usb: uhci: convert to dt schema

Convert USB UHCI bindings to DT schema.

Signed-off-by: Mohammad Shehar Yaar Tausif <sheharyaar48@...il.com>
---

Changes v1->v2:
- add aspeed compatible and deprecated platform-uhci compatible

v1 patch : https://lore.kernel.org/all/20240420142108.76984-1-sheharyaar48@gmail.com/

---
 .../devicetree/bindings/usb/usb-uhci.txt      | 18 -----
 .../devicetree/bindings/usb/usb-uhci.yaml     | 70 +++++++++++++++++++
 2 files changed, 70 insertions(+), 18 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/usb/usb-uhci.txt
 create mode 100644 Documentation/devicetree/bindings/usb/usb-uhci.yaml

diff --git a/Documentation/devicetree/bindings/usb/usb-uhci.txt b/Documentation/devicetree/bindings/usb/usb-uhci.txt
deleted file mode 100644
index d1702eb2c8bd..000000000000
--- a/Documentation/devicetree/bindings/usb/usb-uhci.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-Generic Platform UHCI Controller
------------------------------------------------------
-
-Required properties:
-- compatible : "generic-uhci" (deprecated: "platform-uhci")
-- reg : Should contain 1 register ranges(address and length)
-- interrupts : UHCI controller interrupt
-
-additionally the properties from usb-hcd.yaml (in the current directory) are
-supported.
-
-Example:
-
-	uhci@...07b00 {
-		compatible = "generic-uhci";
-		reg = <0xd8007b00 0x200>;
-		interrupts = <43>;
-	};
diff --git a/Documentation/devicetree/bindings/usb/usb-uhci.yaml b/Documentation/devicetree/bindings/usb/usb-uhci.yaml
new file mode 100644
index 000000000000..c5cbcc0a820a
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb-uhci.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb-uhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic Platform UHCI Controller
+
+maintainers:
+  - Greg Kroah-Hartman <gregkh@...uxfoundation.org>
+
+properties:
+  compatible:
+    oneOf:
+      - const: generic-uhci
+      - const: platform-uhci
+        deprecated: true
+      - items:
+          - enum:
+              - aspeed,ast2400-uhci
+              - aspeed,ast2500-uhci
+              - aspeed,ast2600-uhci
+          - const: generic-uhci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+if:
+  properties:
+    compatible:
+      contains:
+        const: generic-uhci
+then:
+  allOf:
+    - $ref: usb-hcd.yaml
+  if:
+    properties:
+      compatible:
+        contains:
+          enum:
+            - aspeed,ast2400-uhci
+            - aspeed,ast2500-uhci
+            - aspeed,ast2600-uhci
+  then:
+    properties:
+      '#ports':
+        $ref: /schemas/types.yaml#/definitions/uint32
+      clocks:
+        maxItems: 1
+    required:
+      - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    usb@...07b00 {
+        compatible = "generic-uhci";
+        reg = <0xd8007b00 0x200>;
+        interrupts = <43>;
+    };
+...
-- 
2.44.0