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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 553e2fae3a76..4159c8cf78e3 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
@@ -30,6 +30,8 @@ Optional properties:
argument that indicate usb controller index
- disable-over-current: (FSL only) disable over current detect
- external-vbus-divider: (FSL only) enables off-chip resistor divider for Vbus
+- itc-setting: interrupt threshold control register control, the setting
+ should be aligned with ITC bits at register USBCMD.
Example:
@@ -41,4 +43,5 @@ Example:
phys = <&usb_phy0>;
phy-names = "usb-phy";
vbus-supply = <&reg_usb0_vbus>;
+ gadget-itc-setting = <0x4>; /* 4 micro-frames */
};