[PATCH RfC v3 7/7] pinctrl: meson: add interrupt controller to GPIO DT nodes

[Heiner Kallweit]

Add interrupt controller properties to the gpio controller nodes and
extend the gpio controller DT binding documentation.

Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
---
v3:
- added to the patch series
---
 Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt | 4 ++++
 arch/arm/boot/dts/meson8.dtsi                               | 2 ++
 arch/arm/boot/dts/meson8b.dtsi                              | 2 ++
 arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi                 | 4 ++++
 arch/arm64/boot/dts/amlogic/meson-gxl.dtsi                  | 4 ++++
 5 files changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
index 2392557e..49a8118a 100644
--- a/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
@@ -24,6 +24,8 @@ Required properties for sub-nodes are:
    when it is missing the "pull" registers are used instead
  - gpio-controller: identifies the node as a gpio controller
  - #gpio-cells: must be 2
+ - interrupt-controller: identifies the node as interrupt controller
+ - #interrupt-cells: must be 2
 
 === Other sub-nodes ===
 
@@ -62,6 +64,8 @@ pinctrl-bindings.txt
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
                };
 
 		nand {
diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 1962e16e..4fe73050 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -119,6 +119,8 @@
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interupt-cells = <2>;
 			gpio-ranges = <&pinctrl_cbus 0 0 120>;
 		};
 
diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index e48017be..16391a30 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -211,6 +211,8 @@
 				reg-names = "mux", "pull", "pull-enable", "gpio";
 				gpio-controller;
 				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
 				gpio-ranges = <&pinctrl_cbus 0 0 130>;
 			};
 		};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 07e405cf..e9177041 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -118,6 +118,8 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_aobus 0 0 14>;
 		};
 
@@ -267,6 +269,8 @@
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_periphs 0 14 120>;
 		};
 
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index d8e096df..344a5243 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -80,6 +80,8 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_aobus 0 0 14>;
 		};
 
@@ -208,6 +210,8 @@
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_periphs 0 14 101>;
 		};
 
-- 
2.13.0