diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 2e6d8ddc44252b44bfeba8e9a2a0072052a9414f..5d9b01aa54f4c0e3d037611b721c562a2f4823fd 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1226,6 +1226,7 @@ config SERIAL_BFIN_SPORT3_UART_CTSRTS
 config SERIAL_TIMBERDALE
 	tristate "Support for timberdale UART"
 	select SERIAL_CORE
+	depends on X86_32 || COMPILE_TEST
 	---help---
 	Add support for UART controller on timberdale.