It is used to configure the ITC (in register USBCMD) value
for gadget mode.
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
index 38a5480..c21171e 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
@@ -20,6 +20,8 @@ Optional properties:
- external-vbus-divider: enables off-chip resistor divider for Vbus
- maximum-speed: limit the maximum connection speed to "full-speed".
- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
+- gadget-itc-setting: the ITC setting for gadget, the required value
+ should be aligned with ITC bits at register USBCMD.
Examples:
usb@02184000 { /* USB OTG */
@@ -32,4 +34,5 @@ usb@02184000 { /* USB OTG */
external-vbus-divider;
maximum-speed = "full-speed";
tpl-support;
+ gadget-itc-setting = <0x4>; /* 4 micro-frames */
};
--
1.9.1
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