[PATCH 5/9] dt-bindings: pinctrl: meson: update gpio dt-bindings

From: Jerome Brunet
Date: Wed Oct 19 2016 - 11:37:14 EST

Add description for the interrupt-parent property of the gpio sub-node
If provided here, this property must be a phandle to an interrupt
controller suitable for meson pinctrl, like the meson gpio interrupt

Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
index fe7fe0b03cfb..39932c4dfb32 100644
--- a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
@@ -23,6 +23,10 @@ Required properties for sub-nodes are:
- gpio-controller: identifies the node as a gpio controller
- #gpio-cells: must be 2

+Optional property for sub-nodes is:
+ - interrupt-parent: must be a phandle to the meson gpio interrupt controller.
+ if this property is provided, enables gpio ability to generate interrupts
=== Other sub-nodes ===

Child nodes without the "gpio-controller" represent some desired