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authorPeter Chen <peter.chen@freescale.com>2015-07-15 07:53:05 +0200
committerPeter Chen <peter.chen@freescale.com>2015-08-14 03:13:11 +0200
commit1bd57127d4aaff518cf93f4809ec2f11b2baf865 (patch)
treebb1b3f9f68eb1fd5871aeb80ba6c049819164dc0 /Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
parentusb: chipidea: introduce ci_platform_configure (diff)
downloadlinux-1bd57127d4aaff518cf93f4809ec2f11b2baf865.tar.xz
linux-1bd57127d4aaff518cf93f4809ec2f11b2baf865.zip
Doc: usb: ci-hdrc-usb2: add itc-setting at binding doc
It is used to configure the ITC (in register USBCMD) value for kinds of applications. Signed-off-by: Peter Chen <peter.chen@freescale.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt')
-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 */
};