[PATCH RfC v4 6/6] ARM(64): dts: meson: mark gpio controllers as interrupt controllers and update binding documentation

[Heiner Kallweit <hkallweit1@gmail.com>]

Make the GPIO controllers act as interrupt controllers and
update the related DT binding documentation.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt | 4 ++++
 arch/arm/boot/dts/meson8.dtsi                               | 4 ++++
 arch/arm/boot/dts/meson8b.dtsi                              | 4 ++++
 arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi                 | 4 ++++
 arch/arm64/boot/dts/amlogic/meson-gxl.dtsi                  | 4 ++++
 5 files changed, 20 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 b4c4175d..a645257b 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -106,6 +106,8 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_aobus 0 120 16>;
 		};
 
@@ -149,6 +151,8 @@
 			reg-names = "mux", "pull", "pull-enable", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-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 1bce64a6..49233917 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -99,6 +99,8 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_aobus 0 130 16>;
 		};
 
@@ -174,6 +176,8 @@
 			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 6f8b3011..a771dae8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -111,6 +111,8 @@
 			reg-names = "mux", "pull", "gpio";
 			gpio-controller;
 			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			gpio-ranges = <&pinctrl_aobus 0 0 14>;
 		};
 
@@ -356,6 +358,8 @@
 			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 3efad5f0..16b584f5 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>;
 		};
 
@@ -244,6 +246,8 @@
 			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