The RTC on Dove has an interrupt on the PMU interrupt controller.
Add this interrupt to the RTC node. Tested using the
"RTC Driver Test Example"

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 arch/arm/boot/dts/dove.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
index 52b992a..1fd615d 100644
--- a/arch/arm/boot/dts/dove.dtsi
+++ b/arch/arm/boot/dts/dove.dtsi

@@ -426,6 +426,8 @@
 		rtc: real-time-clock at d8500 {
 			compatible = "marvell,orion-rtc";
 			reg = <0xd8500 0x20>;
+			interrupt-parent = <&pmu_intc>;
+			interrupts = <5>;
 		};
 
 		crypto: crypto-engine at 30000 {

-- 
1.8.4.rc3