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@xxxxxxxxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/usb/usb-hcd.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml index ee7ea205c71d..e01d8a54971e 100644 --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml @@ -60,6 +60,7 @@ 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] companion: description: Phandle of a companion device -- 2.27.0