diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index 341997c8ecbb1e4a129aa96d78b7dea8cd4a6f19..4f3e22530f95a0f3e9af957a2dcac6239a7fe1f4 100644
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -588,7 +588,8 @@ SCIF_FNS(SCSPTR,                        0,  0, 0, 0)
 #else
 SCIF_FNS(SCSPTR,                        0,  0, 0x20, 16)
 #endif
-#if defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#if defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 SCIF_FNS(DL,				0,  0, 0x30, 16)
 SCIF_FNS(CKS,				0,  0, 0x34, 16)
 #endif