Add documentation for device-tree binding of arm PXA 27x udc (usb
device) driver.
Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---
Since V1: change OF id mrvl,pxa27x_udc -> marvell,pxa27x-udc
This is a consequence of other DT reviews on the marvell
namings.
---
Documentation/devicetree/bindings/usb/pxa-usb.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/pxa-usb.txt b/Documentation/devicetree/bindings/usb/pxa-usb.txt
index 79729a9..0e4863f 100644
--- a/Documentation/devicetree/bindings/usb/pxa-usb.txt
+++ b/Documentation/devicetree/bindings/usb/pxa-usb.txt
@@ -29,3 +29,23 @@ Example:
marvell,port-mode = <2>; /* PMM_GLOBAL_MODE */
};
+UDC
+
+Required properties:
+ - compatible: Should be "marvell,pxa27x-udc" for USB controllers
+ used in device mode.
+
+Optional properties:
+ - "udc-pullup-gpio" - gpio activated to control the USB D+ pullup.
+ - "udc-pullup-gpio-inverted" - boolean inverting gpio pullup logic.
+
+Example:
+
+ pxa27x_udc: udc@40600000 {
+ compatible = "marvell,pxa27x-udc";
+ reg = <0x40600000 0x10000>;
+ interrupts = <11>;
+ clocks = <&pxa2xx_clks 11>;
+ clock-names = "pxa27x-udc";
+ udc-pullup-gpio = <22>;
+ };
--
2.0.0.rc2
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