ARM: dts: mvebu: Add PWM properties for armada-38x

Add the required properties to the GPIO nodes for them to be used as PWM
lines.
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/armada-38x.dtsi

@@ -312,31 +312,39 @@ sata3_pins: sata-pins-3 {
 			};
 
 			gpio0: gpio@18100 {
-				compatible = "marvell,orion-gpio";
-				reg = <0x18100 0x40>;
+				compatible = "marvell,armada-370-gpio",
+					     "marvell,orion-gpio";
+				reg = <0x18100 0x40>, <0x181c0 0x08>;
+				reg-names = "gpio", "pwm";
 				ngpios = <32>;
 				gpio-controller;
 				#gpio-cells = <2>;
+				#pwm-cells = <2>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
 				interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&coreclk 0>;
 			};
 
 			gpio1: gpio@18140 {
-				compatible = "marvell,orion-gpio";
-				reg = <0x18140 0x40>;
+				compatible = "marvell,armada-370-gpio",
+					     "marvell,orion-gpio";
+				reg = <0x18140 0x40>, <0x181c8 0x08>;
+				reg-names = "gpio", "pwm";
 				ngpios = <28>;
 				gpio-controller;
 				#gpio-cells = <2>;
+				#pwm-cells = <2>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
 				interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&coreclk 0>;
 			};
 
 			systemc: system-controller@18200 {