diff --git a/target/linux/mediatek/files-5.4/drivers/usb/host/unusual-statement.h b/target/linux/mediatek/files-5.4/drivers/usb/host/unusual-statement.h
new file mode 100644
index 0000000..b929342
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/usb/host/unusual-statement.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * xhci-mtk-unusuallib.h -- xhci toolkit header file
+ *
+ * Copyright (C) 2021 Mediatek Inc - http://www.mediatek.com
+ *
+ * Author: Zhanyong Wang <zhanyong.wang@mediatek.com>
+ */
+
+UNUSUAL_DEVICE_ATTR(RG_USB20_INTR_EN),
+UNUSUAL_DEVICE_ATTR(RG_USB20_VRT_VREF_SEL),
+UNUSUAL_DEVICE_ATTR(RG_USB20_TERM_VREF_SEL),
+UNUSUAL_DEVICE_ATTR(RG_USB20_HSTX_SRCTRL),
+UNUSUAL_DEVICE_ATTR(RG_USB20_DISCTH),
+UNUSUAL_DEVICE_ATTR(RG_CHGDT_EN),
+