diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 7208668..56af22e 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -219,6 +219,7 @@
  * @status_base: Base status register address.
  * @mask_base:   Base mask register address.
  * @ack_base:    Base ack address.  If zero then the chip is clear on read.
+ * @irq_reg_stride:  Stride to use for chips where registers are not contiguous.
  *
  * @num_regs:    Number of registers in each control bank.
  * @irqs:        Descriptors for individual IRQs.  Interrupt numbers are
@@ -231,6 +232,7 @@
 	unsigned int status_base;
 	unsigned int mask_base;
 	unsigned int ack_base;
+	unsigned int irq_reg_stride;
 
 	int num_regs;