From 545d64a46c1ed04eb96802a3bf5b6627c4d28dbd Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Fri, 17 Oct 2014 22:43:04 +0200 Subject: [PATCH] usb: gadget: pxa27x_udc device-tree documentation Add documentation for device-tree binding of arm PXA 27x udc (usb device) driver. Signed-off-by: Robert Jarzmik Cc: devicetree@vger.kernel.org Acked-by: Arnd Bergmann Signed-off-by: Felipe Balbi --- .../devicetree/bindings/usb/pxa-usb.txt | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/pxa-usb.txt b/Documentation/devicetree/bindings/usb/pxa-usb.txt index 79729a948d5a..9c331799b87c 100644 --- a/Documentation/devicetree/bindings/usb/pxa-usb.txt +++ b/Documentation/devicetree/bindings/usb/pxa-usb.txt @@ -29,3 +29,25 @@ Example: marvell,port-mode = <2>; /* PMM_GLOBAL_MODE */ }; +UDC + +Required properties: + - compatible: Should be "marvell,pxa270-udc" for USB controllers + used in device mode. + - reg: usb device MMIO address space + - interrupts: single interrupt generated by the UDC IP + - clocks: input clock of the UDC IP (see clock-bindings.txt) + +Optional properties: + - gpios: + - gpio activated to control the USB D+ pullup (see gpio.txt) + +Example: + + pxa27x_udc: udc@40600000 { + compatible = "marvell,pxa270-udc"; + reg = <0x40600000 0x10000>; + interrupts = <11>; + clocks = <&pxa2xx_clks 11>; + gpios = <&gpio 22 GPIO_ACTIVE_LOW>; + }; -- 2.20.1