Thread (50 messages) 50 messages, 5 authors, 2020-10-13
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[PATCH 03/18] dt-bindings: usb: usb-hcd: Add "otg-rev" property restriction

From: Serge Semin <hidden>
Date: 2020-10-10 23:00:25
Also in: linux-usb, lkml
Subsystem: open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman 

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 <redacted>
---
 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 e1a82a2b3295..39e90147dfcc 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -56,6 +56,7 @@ 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
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