diff --git a/config/boards/rock-2a.csc b/config/boards/rock-2a.csc
index 4fb25c5f30..b26e06357d 100644
--- a/config/boards/rock-2a.csc
+++ b/config/boards/rock-2a.csc
@@ -9,3 +9,5 @@ BOOT_LOGO="desktop"
 BOOT_FDT_FILE="rockchip/rk3528-rock-2a.dtb"
 BOOT_SCENARIO="spl-blobs"
 IMAGE_PARTITION_TABLE="gpt"
+enable_extension "radxa-aic8800"
+AIC8800_TYPE="usb"