From f8b1bd71d0c5c9fdcd4458c1688208eaf06a26fb Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 4 Jul 2013 19:44:39 +0200 Subject: 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 Signed-off-by: Linus Walleij --- Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt | 8 ++++++++ 1 file changed, 8 insertions(+) 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>; }; -- cgit v1.2.3