diff --git a/board/gdsys/a38x/ihs_phys.c b/board/gdsys/a38x/ihs_phys.c
index 494de18..2ef3b3a 100644
--- a/board/gdsys/a38x/ihs_phys.c
+++ b/board/gdsys/a38x/ihs_phys.c
@@ -2,6 +2,7 @@
 #include <dm.h>
 #include <miiphy.h>
 #include <asm-generic/gpio.h>
+#include <linux/delay.h>
 
 #include "ihs_phys.h"
 #include "dt_helpers.h"