diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index f7adc6e01f9e..4338eb7b09b3 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -866,6 +866,35 @@ struct usb_ss_container_id_descriptor {
 } __attribute__((packed));
 
 #define USB_DT_USB_SS_CONTN_ID_SIZE	20
+
+/*
+ * SuperSpeed Plus USB Capability descriptor: Defines the set of
+ * SuperSpeed Plus USB specific device level capabilities
+ */
+#define	USB_SSP_CAP_TYPE	0xa
+struct usb_ssp_cap_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+	__u8  bDevCapabilityType;
+	__u8  bReserved;
+	__le32 bmAttributes;
+#define USB_SSP_SUBLINK_SPEED_ATTRIBS	(0x1f << 0) /* sublink speed entries */
+#define USB_SSP_SUBLINK_SPEED_IDS	(0xf << 5)  /* speed ID entries */
+	__u16  wFunctionalitySupport;
+#define USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID	(0xf)
+#define USB_SSP_MIN_RX_LANE_COUNT		(0xf << 8)
+#define USB_SSP_MIN_TX_LANE_COUNT		(0xf << 12)
+	__le16 wReserved;
+	__le32 bmSublinkSpeedAttr[1]; /* list of sublink speed attrib entries */
+#define USB_SSP_SUBLINK_SPEED_SSID	(0xf)		/* sublink speed ID */
+#define USB_SSP_SUBLINK_SPEED_LSE	(0x3 << 4)	/* Lanespeed exponent */
+#define USB_SSP_SUBLINK_SPEED_ST	(0x3 << 6)	/* Sublink type */
+#define USB_SSP_SUBLINK_SPEED_RSVD	(0x3f << 8)	/* Reserved */
+#define USB_SSP_SUBLINK_SPEED_LP	(0x3 << 14)	/* Link protocol */
+#define USB_SSP_SUBLINK_SPEED_LSM	(0xff << 16)	/* Lanespeed mantissa */
+} __attribute__((packed));
+
+
 /*-------------------------------------------------------------------------*/
 
 /* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with