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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2013-07-04 19:44:39 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-07-20 22:28:12 +0200
commitf8b1bd71d0c5c9fdcd4458c1688208eaf06a26fb (patch)
tree4800fb23c5cf8511fee493b8672c34b0e9625738 /Documentation/devicetree/bindings/gpio
parenta5d28d79f568a0a2792e3135b304a82b1f91d4ad (diff)
gpio-rcar: Add interrupt controller support to the DT bindings
Update the DT bindings documentation with the interrupt-controller and #interrupt-cells properties. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r--Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
index cb3dc7bcd8e6..8655df9440d5 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
@@ -23,6 +23,10 @@ Required Properties:
Please refer to gpio.txt in this directory for details of gpio-ranges property
and the common GPIO bindings used by client devices.
+The GPIO controller also acts as an interrupt controller. It uses the default
+two cells specifier as described in Documentation/devicetree/bindings/
+interrupt-controller/interrupts.txt.
+
Example: R8A7779 (R-Car H1) GPIO controller nodes
gpio0: gpio@ffc40000 {
@@ -33,6 +37,8 @@ Example: R8A7779 (R-Car H1) GPIO controller nodes
#gpio-cells = <2>;
gpio-controller;
gpio-ranges = <&pfc 0 0 32>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
};
...
gpio6: gpio@ffc46000 {
@@ -43,4 +49,6 @@ Example: R8A7779 (R-Car H1) GPIO controller nodes
#gpio-cells = <2>;
gpio-controller;
gpio-ranges = <&pfc 0 192 9>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
};

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