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Commit f8b1bd71 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Linus Walleij
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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: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent a5d28d79

Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt

+8 −0
Original line number Diff line number Diff line
@@ -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>;

	};