diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
index 238ad0c5584b..8b4447e66708 100644
--- a/drivers/tty/serial/sh-sci.h
+++ b/drivers/tty/serial/sh-sci.h
@@ -70,7 +70,9 @@ enum {
 
 /* SCSPTR (Serial Port Register), optional */
 #define SCSPTR_RTSIO	(1 << 7)	/* Serial Port RTS Pin Input/Output */
+#define SCSPTR_RTSDT	(1 << 6)	/* Serial Port RTS Pin Data */
 #define SCSPTR_CTSIO	(1 << 5)	/* Serial Port CTS Pin Input/Output */
+#define SCSPTR_CTSDT	(1 << 4)	/* Serial Port CTS Pin Data */
 #define SCSPTR_SPB2IO	(1 << 1)	/* Serial Port Break Input/Output */
 #define SCSPTR_SPB2DT	(1 << 0)	/* Serial Port Break Data */