arm: mvebu: add DT information for GPIO banks on Armada 370 and XP

The gpioX aliases are needed so that the driver can use
of_alias_get_id() to get a 0-based number of the GPIO bank, which we
then use to compute the base GPIO of the bank being probed. This is
similar to what gpio-mxs.c is doing.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/armada-370.dtsi

@@ -21,6 +21,12 @@
 	model = "Marvell Armada 370 family SoC";
 	compatible = "marvell,armada370", "marvell,armada-370-xp";
 
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+	};
+
 	mpic: interrupt-controller@d0020000 {
 	      reg = <0xd0020a00 0x1d0>,
 		    <0xd0021870 0x58>;
@@ -35,6 +41,39 @@
 		pinctrl {
 			compatible = "marvell,mv88f6710-pinctrl";
 			reg = <0xd0018000 0x38>;
+	        };
+
+		gpio0: gpio@d0018100 {
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018100 0x40>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <82>, <83>, <84>, <85>;
+		};
+
+		gpio1: gpio@d0018140 {
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018140 0x40>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <87>, <88>, <89>, <90>;
+		};
+
+		gpio2: gpio@d0018180 {
+			compatible = "marvell,orion-gpio";
+			reg = <0xd0018180 0x40>;
+			ngpios = <2>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <91>;
 		};
 	};
 };

arch/arm/boot/dts/armada-xp-mv78230.dtsi

@@ -19,10 +19,39 @@
 	model = "Marvell Armada XP MV78230 SoC";
 	compatible = "marvell,armadaxp-mv78230", "marvell,armadaxp", "marvell,armada-370-xp";
 
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+	};
+
 	soc {
 		pinctrl {
 			compatible = "marvell,mv78230-pinctrl";
 			reg = <0xd0018000 0x38>;
 		};
+
+		gpio0: gpio@d0018100 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018100 0x40>,
+			    <0xd0018800 0x30>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <16>, <17>, <18>, <19>;
+		};
+
+		gpio1: gpio@d0018140 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018140 0x40>,
+			    <0xd0018840 0x30>;
+			ngpios = <17>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <20>, <21>, <22>;
+		};
 	};
 };

arch/arm/boot/dts/armada-xp-mv78260.dtsi

@@ -19,10 +19,52 @@
 	model = "Marvell Armada XP MV78260 SoC";
 	compatible = "marvell,armadaxp-mv78260", "marvell,armadaxp", "marvell,armada-370-xp";
 
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+	};
+
 	soc {
 		pinctrl {
 			compatible = "marvell,mv78260-pinctrl";
 			reg = <0xd0018000 0x38>;
 		};
+
+		gpio0: gpio@d0018100 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018100 0x40>,
+			    <0xd0018800 0x30>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <16>, <17>, <18>, <19>;
+		};
+
+		gpio1: gpio@d0018140 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018140 0x40>,
+			    <0xd0018840 0x30>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <20>, <21>, <22>, <23>;
+		};
+
+		gpio2: gpio@d0018180 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018180 0x40>,
+			    <0xd0018870 0x30>;
+			ngpios = <3>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <24>;
+		};
 	};
 };

arch/arm/boot/dts/armada-xp-mv78460.dtsi

@@ -19,10 +19,52 @@
 	model = "Marvell Armada XP MV78460 SoC";
 	compatible = "marvell,armadaxp-mv78460", "marvell,armadaxp", "marvell,armada-370-xp";
 
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+	};
+
 	soc {
 		pinctrl {
 			compatible = "marvell,mv78460-pinctrl";
 			reg = <0xd0018000 0x38>;
 		};
+
+		gpio0: gpio@d0018100 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018100 0x40>,
+			    <0xd0018800 0x30>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <16>, <17>, <18>, <19>;
+		};
+
+		gpio1: gpio@d0018140 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018140 0x40>,
+			    <0xd0018840 0x30>;
+			ngpios = <32>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <20>, <21>, <22>, <23>;
+		};
+
+		gpio2: gpio@d0018180 {
+			compatible = "marvell,armadaxp-gpio";
+			reg = <0xd0018180 0x40>,
+			    <0xd0018870 0x30>;
+			ngpios = <3>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupts-cells = <2>;
+			interrupts = <24>;
+		};
 	};
  };