diff options
| author | T Karthik Reddy <t.karthik.reddy@xilinx.com> | 2019-10-14 14:52:50 +0200 |
|---|---|---|
| committer | Marek Vasut <marek.vasut+renesas@gmail.com> | 2019-11-07 00:24:59 +0100 |
| commit | f69257baa8323ffdc5b4fb6af200f9994a2003bd (patch) | |
| tree | 9200c51327c62f8872cda904545372ef9b4f235d /include/linux/usb | |
| parent | d80effb1847822e521cda17b4c73c83629b035d0 (diff) | |
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>
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/ch9.h | 3 | ||||
| -rw-r--r-- | include/linux/usb/gadget.h | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 264c9712a3..989a5fcbd9 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -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 /* diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 66794d7894..06292ddeb6 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -592,6 +592,15 @@ static inline int gadget_is_otg(struct usb_gadget *g) } /** + * 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 * |