diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 97034d3937fd11a1e6d80be2558b7b3f51ef9743..b9378c72a2f5876b787dd49b10db67cc7ce6f848 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -819,7 +819,7 @@ config SERIAL_M32R_SIO_CONSOLE
 
 config SERIAL_M32R_PLDSIO
 	bool "M32R SIO I/F on a PLD"
-	depends on SERIAL_M32R_SIO=y
+	depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PALT_USRV || PLAT_M32700UT)
 	default n
 	help
 	  Say Y here if you want to use the M32R serial controller