usb: composite: add BOS descriptor support to composite framework

To add usb-3.0 support to peripheral device add BOS & SS capability
descriptors to gadget composite framework.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
This commit is contained in:
T Karthik Reddy 2019-10-14 14:52:50 +02:00 committed by Marek Vasut
parent d80effb184
commit f69257baa8
3 changed files with 67 additions and 6 deletions

View file

@ -878,6 +878,9 @@ struct usb_ss_cap_descriptor { /* Link Power Management */
__le16 bU2DevExitLat;
} __attribute__((packed));
#define USB_DEFAULT_U1_DEV_EXIT_LAT 0x01 /* Less then 1 microsec */
#define USB_DEFAULT_U2_DEV_EXIT_LAT 0x01F4 /* Less then 500 microsec */
#define USB_DT_USB_SS_CAP_SIZE 10
/*

View file

@ -591,6 +591,15 @@ static inline int gadget_is_otg(struct usb_gadget *g)
#endif
}
/**
* gadget_is_superspeed() - return true if the hardware handles superspeed
* @g: controller that might support superspeed
*/
static inline int gadget_is_superspeed(struct usb_gadget *g)
{
return g->max_speed >= USB_SPEED_SUPER;
}
/**
* usb_gadget_frame_number - returns the current frame number
* @gadget: controller that reports the frame number