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dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property 

AM654 SoC requires USB3.0 PHY to be turned on before the USB controller.
For this SoC, the 'phys' property is used to provide the USB3.0
reference.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Roger Quadros 2020-05-25 10:10:47 +03:00 committed by Felipe Balbi
parent 1883a934e1
commit 15aeb360e4
1 changed files with 10 additions and 0 deletions
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Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
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@ -34,6 +34,16 @@ properties:
value. This property is as per the binding,
Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
phys:
description:
PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
to be turned on before the controller.
Documentation/devicetree/bindings/phy/phy-bindings.txt
phy-names:
items:
- const: "usb3-phy"
dwc3:
description: This is the node representing the DWC3 controller instance
Documentation/devicetree/bindings/usb/dwc3.txt