[PATCH v4 03/18] dt-bindings: usb: usb-drd: Add "otg-rev" property constraints

[Serge Semin]

There are only four OTG revisions are currently supported by the kernel:
0x0100, 0x0120, 0x0130, 0x0200. Any another value is considered as
invalid.

Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
Reviewed-by: Rob Herring <robh at kernel.org>

---

Changelog v4:
- Move the constraints to the usb-drd.yaml schema where the otg-rev
  property is now defined.
---
 Documentation/devicetree/bindings/usb/usb-drd.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-drd.yaml b/Documentation/devicetree/bindings/usb/usb-drd.yaml
index f3a64c46dcd0..f229fc8068d9 100644
--- a/Documentation/devicetree/bindings/usb/usb-drd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-drd.yaml
@@ -18,6 +18,7 @@ properties:
       features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be
       0x0200 or above.
     $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0x0100, 0x0120, 0x0130, 0x0200]
 
   dr_mode:
     description:
-- 
2.28.0