ARM: Dove: Convert to DT GPIO and pinctrl

Following the ongoing conversion of Orion SoCs to DT, make use of
gpio and pinctrl drivers through DT. The main dtsi for Dove is prepared
to allow board specific descriptors to make use of pinctrl muxing.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/Kconfig

@@ -536,6 +536,8 @@ config ARCH_DOVE
 	select CPU_V7
 	select GENERIC_CLOCKEVENTS
 	select MIGHT_HAVE_PCI
+	select PINCTRL
+	select PINCTRL_DOVE
 	select PLAT_ORION_LEGACY
 	select USB_ARCH_HAS_EHCI
 	help

arch/arm/boot/dts/dove.dtsi

@@ -4,6 +4,12 @@ / {
 	compatible = "marvell,dove";
 	model = "Marvell Armada 88AP510 SoC";
 
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+	};
+
 	soc@f1000000 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -72,7 +78,8 @@ gpio0: gpio@d0400 {
 			#gpio-cells = <2>;
 			gpio-controller;
 			reg = <0xd0400 0x20>;
-			ngpio = <32>;
+			ngpios = <32>;
+			interrupt-controller;
 			interrupts = <12>, <13>, <14>, <60>;
 		};
 
@@ -81,7 +88,8 @@ gpio1: gpio@d0420 {
 			#gpio-cells = <2>;
 			gpio-controller;
 			reg = <0xd0420 0x20>;
-			ngpio = <32>;
+			ngpios = <32>;
+			interrupt-controller;
 			interrupts = <61>;
 		};
 
@@ -90,7 +98,12 @@ gpio2: gpio@e8400 {
 			#gpio-cells = <2>;
 			gpio-controller;
 			reg = <0xe8400 0x0c>;
-			ngpio = <8>;
+			ngpios = <8>;
+		};
+
+		pinctrl: pinctrl@d0200 {
+			compatible = "marvell,dove-pinctrl";
+			reg = <0xd0200 0x10>;
 		};
 
 		spi0: spi@10600 {