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Commit cd5f9726 authored by Douglas Anderson's avatar Douglas Anderson Committed by Felipe Balbi
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Documentation: dt-bindings: Add snps,need-phy-for-wake for dwc2 USB 



Some SoCs with a dwc2 USB controller may need to keep the PHY on to
support remote wakeup.  Allow specifying this as a device tree
property.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 1112cf4c

Documentation/devicetree/bindings/usb/dwc2.txt

+3 −0
Original line number Diff line number Diff line
@@ -42,6 +42,8 @@ Refer to phy/phy-bindings.txt for generic phy consumer properties 
- g-rx-fifo-size: size of rx fifo size in gadget mode.

- g-np-tx-fifo-size: size of non-periodic tx fifo size in gadget mode.

- g-tx-fifo-size: size of periodic tx fifo per endpoint (except ep0) in gadget mode.

- snps,need-phy-for-wake: If present indicates that the phy needs to be left

                          on for remote wakeup during suspend.

- snps,reset-phy-on-wake: If present indicates that we need to reset the PHY when

                          we detect a wakeup.  This is due to a hardware errata.
@@ -58,4 +60,5 @@ Example: 
		clock-names = "otg";

		phys = <&usbphy>;

		phy-names = "usb2-phy";

		snps,need-phy-for-wake;

        };