linux-kernel - [PATCH] dt-bindings: usb: usb-device: Replace free-form 'reg' with constraints

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Message-ID: <20250214114235.49476-1-krzysztof.kozlowski@linaro.org>
Date: Fri, 14 Feb 2025 12:42:35 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] dt-bindings: usb: usb-device: Replace free-form 'reg' with constraints

Replace free-form text of 'reg' property with proper constraints so
incorrect values can be actually reported.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/usb/usb-device.yaml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml
index da890ee60ce6..c67695681033 100644
--- a/Documentation/devicetree/bindings/usb/usb-device.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-device.yaml
@@ -39,8 +39,10 @@ properties:
 
   reg:
     description: the number of the USB hub port or the USB host-controller
-      port to which this device is attached. The range is 1-255.
-    maxItems: 1
+      port to which this device is attached.
+    items:
+      - minimum: 1
+        maximum: 255
 
   "#address-cells":
     description: should be 1 for hub nodes with device nodes,
-- 
2.43.0