From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../devicetree/bindings/usb/ci-hdrc-imx.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt (limited to 'Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt') diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt new file mode 100644 index 000000000..38a548001 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt @@ -0,0 +1,35 @@ +* Freescale i.MX ci13xxx usb controllers + +Required properties: +- compatible: Should be "fsl,imx27-usb" +- reg: Should contain registers location and length +- interrupts: Should contain controller interrupt +- fsl,usbphy: phandle of usb phy that connects to the port + +Recommended properies: +- phy_type: the type of the phy connected to the core. Should be one + of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this + property the PORTSC register won't be touched +- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg" + +Optional properties: +- fsl,usbmisc: phandler of non-core register device, with one argument + that indicate usb controller index +- vbus-supply: regulator for vbus +- disable-over-current: disable over current detect +- 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 + +Examples: +usb@02184000 { /* USB OTG */ + compatible = "fsl,imx6q-usb", "fsl,imx27-usb"; + reg = <0x02184000 0x200>; + interrupts = <0 43 0x04>; + fsl,usbphy = <&usbphy1>; + fsl,usbmisc = <&usbmisc 0>; + disable-over-current; + external-vbus-divider; + maximum-speed = "full-speed"; + tpl-support; +}; -- cgit v1.2.3-54-g00ecf