diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index 838b594..b0a2142 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -384,6 +384,7 @@
 /* PRM_CLKSEL */
 #define OMAP3430_SYS_CLKIN_SEL_SHIFT			0
 #define OMAP3430_SYS_CLKIN_SEL_MASK			(0x7 << 0)
+#define OMAP3430_SYS_CLKIN_SEL_WIDTH			3
 
 /* PRM_CLKOUT_CTRL */
 #define OMAP3430_CLKOUT_EN_MASK				(1 << 7)