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gpio-rcar: Add interrupt controller support to the DT bindings

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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>
This commit is contained in:
Laurent Pinchart
2013-07-04 19:44:39 +02:00
committed by Linus Walleij
parent a5d28d79f5
commit f8b1bd71d0
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
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@@ -23,6 +23,10 @@ Required Properties:
Please refer to gpio.txt in this directory for details of gpio-ranges property Please refer to gpio.txt in this directory for details of gpio-ranges property
and the common GPIO bindings used by client devices. 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 Example: R8A7779 (R-Car H1) GPIO controller nodes
gpio0: gpio@ffc40000 { gpio0: gpio@ffc40000 {
@@ -33,6 +37,8 @@ Example: R8A7779 (R-Car H1) GPIO controller nodes
#gpio-cells = <2>; #gpio-cells = <2>;
gpio-controller; gpio-controller;
gpio-ranges = <&pfc 0 0 32>; gpio-ranges = <&pfc 0 0 32>;
interrupt-controller;
#interrupt-cells = <2>;
}; };
... ...
gpio6: gpio@ffc46000 { gpio6: gpio@ffc46000 {
@@ -43,4 +49,6 @@ Example: R8A7779 (R-Car H1) GPIO controller nodes
#gpio-cells = <2>; #gpio-cells = <2>;
gpio-controller; gpio-controller;
gpio-ranges = <&pfc 0 192 9>; gpio-ranges = <&pfc 0 192 9>;
interrupt-controller;
#interrupt-cells = <2>;
}; };