linux-kernel - [PATCH 1/1] dt-bindings: usb: microchip,usb2514: Fix reference USB device schema

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Message-Id: <20240814065833.36372-1-alexander.stein@ew.tq-group.com>
Date: Wed, 14 Aug 2024 08:58:32 +0200
From: Alexander Stein <alexander.stein@...tq-group.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>,
	Fabio Estevam <festevam@...il.com>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] dt-bindings: usb: microchip,usb2514: Fix reference USB device schema

An USB hub is not a HCD, but an USB device. Fix the referenced schema
accordingly. Adjust example to keep it aligned to other schemas.

Fixes: bfbf2e4b77e27 ("dt-bindings: usb: Document the Microchip USB2514 hub")
Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
As this USB hub also can contain an USB (ethernet) sub device, I copied
the subdevice part from usb-hcd.yaml.

I had to add 'additionalProperties: true' as well, because I got that warning
upon dt_binding_check otherwise:
> Documentation/devicetree/bindings/usb/microchip,usb2514.yaml: 
>   ^.*@[0-9a-f]{1,2}$: Missing additionalProperties/unevaluatedProperties constraint

I added a Fixes tag to keep this schema aligned in v6.10 stable tree.

 .../devicetree/bindings/usb/microchip,usb2514.yaml    | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
index 245e8c3ce6699..aa3db8e373c70 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -10,7 +10,7 @@ maintainers:
   - Fabio Estevam <festevam@...il.com>
 
 allOf:
-  - $ref: usb-hcd.yaml#
+  - $ref: usb-device.yaml#
 
 properties:
   compatible:
@@ -36,6 +36,13 @@ required:
   - compatible
   - reg
 
+patternProperties:
+  "^.*@[0-9a-f]{1,2}$":
+    description: The hard wired USB devices
+    type: object
+    $ref: /schemas/usb/usb-device.yaml
+    additionalProperties: true
+
 unevaluatedProperties: false
 
 examples:
@@ -47,7 +54,7 @@ examples:
         #address-cells = <1>;
         #size-cells = <0>;
 
-        usb-hub@1 {
+        hub@1 {
             compatible = "usb424,2514";
             reg = <1>;
             clocks = <&clks IMX6QDL_CLK_CKO>;
-- 
2.34.1