USB: at91: Device udc add dt support

[karo-tx-linux.git] / Documentation / devicetree / bindings / usb / atmel-usb.txt

diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt
index 0143d7c5b4b9e38b4a17b26e5d013ccf8f64930f..60bd2150a3e651c343e3649512e6a7666eb4623b 100644 (file)
--- a/Documentation/devicetree/bindings/usb/atmel-usb.txt
+++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt
@@ -29,3 +29,21 @@ usb1: ehci@00800000 {
        reg = <0x00800000 0x100000>;
        interrupts = <22 4>;
 };
+
+AT91 USB device controller
+
+Required properties:
+ - compatible: Should be "atmel,at91rm9200-udc"
+ - reg: Address and length of the register set for the device
+ - interrupts: Should contain macb interrupt
+
+Optional properties:
+ - atmel,vbus-gpio: If present, specifies a gpio that needs to be
+   activated for the bus to be powered.
+
+usb1: gadget@fffa4000 {
+       compatible = "atmel,at91rm9200-udc";
+       reg = <0xfffa4000 0x4000>;
+       interrupts = <10 4>;
+       atmel,vbus-gpio = <&pioC 5 0>;
+};