diff --git a/configs/MSI_Primo81_defconfig b/configs/MSI_Primo81_defconfig
index 83a95cb04a..e6888a176a 100644
--- a/configs/MSI_Primo81_defconfig
+++ b/configs/MSI_Primo81_defconfig
@@ -17,3 +17,7 @@ CONFIG_VIDEO_LCD_SPI_CS="PH9"
 CONFIG_VIDEO_LCD_SPI_SCLK="PH10"
 CONFIG_VIDEO_LCD_SPI_MOSI="PH11"
 CONFIG_VIDEO_LCD_SPI_MISO="PH12"
+CONFIG_AXP_GPIO=y
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
+CONFIG_USB_MUSB_SUNXI=y