diff --git a/arch/arm/configs/rk2928_phonepad_defconfig b/arch/arm/configs/rk2928_phonepad_defconfig
index 72ad4b792c38..44e16f230be9 100644
--- a/arch/arm/configs/rk2928_phonepad_defconfig
+++ b/arch/arm/configs/rk2928_phonepad_defconfig
@@ -251,6 +251,8 @@ CONFIG_GS_KXTIK=y
 # CONFIG_CONSOLE_TRANSLATIONS is not set
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_RK29=y
+CONFIG_UART0_RK29=y
+CONFIG_UART0_CTS_RTS_RK29=y
 CONFIG_UART1_RK29=y
 CONFIG_UART1_CTS_RTS_RK29=y
 # CONFIG_HW_RANDOM is not set