Update the DT bindings documentation with the interrupt-controller
and #interrupt-cells properties.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
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 cb3dc7b..8655df9 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>;
};
--
Regards,
Laurent Pinchart
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