diff --git a/sys/dev/iicbus/gpio/tca6416.c b/sys/dev/iicbus/gpio/tca6416.c
--- a/sys/dev/iicbus/gpio/tca6416.c
+++ b/sys/dev/iicbus/gpio/tca6416.c
@@ -136,6 +136,7 @@
 
 static struct ofw_compat_data compat_data[] = {
 	{"ti,tca6416",	1},
+	{"ti,tca9539",	1},
 	{0,0}
 };