diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index 3e765c4bf986..3b1203db81b2 100644
--- a/arch/arm/mach-lpc32xx/serial.c
+++ b/arch/arm/mach-lpc32xx/serial.c
@@ -15,6 +15,7 @@
 #include <linux/serial_8250.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/soc/nxp/lpc32xx-misc.h>
 
 #include "lpc32xx.h"
 #include "common.h"