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Subject[PATCH v4 08/13] usb: doc: dt-binding: Add otg-controller property
The otg-controller property is used to link the host/gadget
controllers to the otg controller. otg-controller property must
contain the phandle of the otg controller.

The otg core uses this property to tie the host/gadget
controllres to the correct otg controller.

Signed-off-by: Roger Quadros <>
Documentation/devicetree/bindings/usb/generic.txt | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
index bba8257..5a457bc 100644
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ b/Documentation/devicetree/bindings/usb/generic.txt
@@ -24,6 +24,11 @@ Optional properties:
optional for OTG device.
- adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
optional for OTG device.
+ - otg-controller: phandle to otg controller. Host or gadget controllers can
+ contain this property to link it to a particular otg
+ controller. If this property is not present then otg
+ core assumes that host and gadget controllers are
+ children of the otg controller.

This is an attribute to a USB controller such as:


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