diff --git a/arch/arm/configs/rk3188_sdk_defconfig b/arch/arm/configs/rk3188_sdk_defconfig
old mode 100644
new mode 100755
index 2d00d03f6b2d..156e712b56d7
--- a/arch/arm/configs/rk3188_sdk_defconfig
+++ b/arch/arm/configs/rk3188_sdk_defconfig
@@ -394,6 +394,7 @@ CONFIG_USB_SERIAL_OPTION=y
 CONFIG_USB_GADGET=y
 CONFIG_USB20_HOST=y
 CONFIG_USB20_OTG=y
+CONFIG_DWC_OTG_BOTH_HOST_SLAVE=y
 CONFIG_MMC=y
 CONFIG_MMC_UNSAFE_RESUME=y
 CONFIG_MMC_EMBEDDED_SDIO=y