diff --git a/configs/comtrend_ar5315u_ram_defconfig b/configs/comtrend_ar5315u_ram_defconfig
index a0ba7ac..6b2c355 100644
--- a/configs/comtrend_ar5315u_ram_defconfig
+++ b/configs/comtrend_ar5315u_ram_defconfig
@@ -27,6 +27,7 @@
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
 # CONFIG_CMD_MISC is not set
 CONFIG_OF_EMBED=y
 # CONFIG_NET is not set
@@ -39,7 +40,8 @@
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
-CONFIG_POWER_DOMAIN=y
+CONFIG_PHY=y
+CONFIG_BCM6318_USBH_PHY=y
 CONFIG_BCM6328_POWER_DOMAIN=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_BCM6345=y
@@ -48,3 +50,9 @@
 CONFIG_BCM6345_SERIAL=y
 CONFIG_DM_SPI=y
 CONFIG_BCM63XX_HSSPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y