linux-kernel - [PATCH v2 5/9] dt-bindings: pinctrl: meson: update gpio dt-bindings

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Date:   Wed, 19 Oct 2016 17:21:16 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Russell King <linux@...linux.org.uk>
Subject: [PATCH v2 5/9] dt-bindings: pinctrl: meson: update gpio dt-bindings

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
controller.

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 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
-- 
2.7.4