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-rw-r--r--Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
index db48bad84228..77946f57a3a4 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
@@ -51,6 +51,8 @@ Optional properties:
to external connector device, which provide "USB-HOST" cable events. If one
of the external connector devices is not required, empty <0> phandle should
be specified.
+- phy-clkgate-delay-us: the delay time (us) between putting the PHY into
+ low power mode and gating the PHY clock.
Example:
@@ -68,4 +70,5 @@ Example:
tx-burst-size-dword = <0x10>; /* 64 bytes */
rx-burst-size-dword = <0x10>;
extcon = <0>, <&usb_id>;
+ phy-clkgate-delay-us = <400>;
};