Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / usb / ci-hdrc-imx.txt
1 * Freescale i.MX ci13xxx usb controllers
2
3 Required properties:
4 - compatible: Should be "fsl,imx27-usb"
5 - reg: Should contain registers location and length
6 - interrupts: Should contain controller interrupt
7
8 Recommended properies:
9 - phy_type: the type of the phy connected to the core. Should be one
10   of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
11   property the PORTSC register won't be touched
12 - dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
13
14 Optional properties:
15 - fsl,usbphy: phandler of usb phy that connects to the only one port
16 - fsl,usbmisc: phandler of non-core register device, with one argument
17   that indicate usb controller index
18 - vbus-supply: regulator for vbus
19 - disable-over-current: disable over current detect
20 - external-vbus-divider: enables off-chip resistor divider for Vbus
21 - maximum-speed: limit the maximum connection speed to "full-speed".
22
23 Examples:
24 usb@02184000 { /* USB OTG */
25         compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
26         reg = <0x02184000 0x200>;
27         interrupts = <0 43 0x04>;
28         fsl,usbphy = <&usbphy1>;
29         fsl,usbmisc = <&usbmisc 0>;
30         disable-over-current;
31         external-vbus-divider;
32         maximum-speed = "full-speed";
33 };