Thread (17 messages) 17 messages, 4 authors, 2021-03-06
STALE1913d
Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

[PATCH v2 1/2] dt-bindings: usb: generic-ehci: document ignore-oc flag

From: Álvaro Fernández Rojas <hidden>
Date: 2021-02-23 16:17:55
Also in: linux-arm-kernel, linux-devicetree, 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

Over-current reporting isn't supported on some platforms such as bcm63xx.
These devices will incorrectly report over-current if this flag isn't properly
activated.

Signed-off-by: Álvaro Fernández Rojas <redacted>
---
 v2: change flag name and improve documentation as suggested by Alan Stern.

 Documentation/devicetree/bindings/usb/generic-ehci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index cf83f2d9afac..8089dc956ba3 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -122,6 +122,12 @@ properties:
     description:
       Set this flag to force EHCI reset after resume.
 
+  spurious-oc:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Set this flag to indicate that the hardware sometimes turns on
+      the OC bit when an over-current isn't actually present.
+
   companion:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
-- 
2.20.1
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