From 790b520e3accec16f3d93937ef6fb91d1fd30cf0 Mon Sep 17 00:00:00 2001
From: Thierry Reding <thierry.reding@avionic-design.de>
Date: Wed, 19 Sep 2012 10:57:36 +0200
Subject: gpio: adnp: dt: Reference generic interrupt binding

Instead of having to duplicate the description of the properties needed
for interrupt support, reference the new standard document.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
[Minor spelling correction]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-adnp.txt b/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
index 5a09a21..af66b27 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-adnp.txt
@@ -11,6 +11,10 @@ Required properties:
 - gpio-controller: Marks the device as a GPIO controller
 - nr-gpios: The number of pins supported by the controller.
 
+The GPIO expander can optionally be used as an interrupt controller, in
+which case it uses the default two cell specifier as described in
+Documentation/devicetree/bindings/interrupt-controller/interrupts.txt.
+
 Example:
 
 	gpioext: gpio-controller@41 {
-- 
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