mfd: Add MAX8998 interrupts support

Use genirq and provide seperated file for interrupts support.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/max8998.h b/include/linux/mfd/max8998.h
index 1d3601a..d47ed4c 100644
--- a/include/linux/mfd/max8998.h
+++ b/include/linux/mfd/max8998.h
@@ -1,5 +1,5 @@
 /*
- * max8698.h - Voltage regulator driver for the Maxim 8998
+ * max8998.h - Voltage regulator driver for the Maxim 8998
  *
  *  Copyright (C) 2009-2010 Samsung Electrnoics
  *  Kyungmin Park <kyungmin.park@samsung.com>
@@ -66,13 +66,16 @@
 
 /**
  * struct max8998_board - packages regulator init data
- * @num_regulators: number of regultors used
  * @regulators: array of defined regulators
+ * @num_regulators: number of regultors used
+ * @irq_base: base IRQ number for max8998, required for IRQs
+ * @ono: power onoff IRQ number for max8998
  */
-
 struct max8998_platform_data {
-	int				num_regulators;
 	struct max8998_regulator_data	*regulators;
+	int				num_regulators;
+	int				irq_base;
+	int				ono;
 };
 
 #endif /*  __LINUX_MFD_MAX8998_H */