include/linux/platform_data/pxa2xx_udc.h

   1 /*
   2  * This supports machine-specific differences in how the PXA2xx
   3  * USB Device Controller (UDC) is wired.
   4  *
   5  * It is set in linux/arch/arm/mach-pxa/<machine>.c or in
   6  * linux/arch/mach-ixp4xx/<machine>.c and used in
   7  * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c
   8  */
   9 #ifndef PXA2XX_UDC_H
  10 #define PXA2XX_UDC_H
  11
  12 struct pxa2xx_udc_mach_info {
  13         int  (*udc_is_connected)(void);         /* do we see host? */
  14         void (*udc_command)(int cmd);
  15 #define PXA2XX_UDC_CMD_CONNECT          0       /* let host see us */
  16 #define PXA2XX_UDC_CMD_DISCONNECT       1       /* so host won't see us */
  17
  18         /* Boards following the design guidelines in the developer's manual,
  19          * with on-chip GPIOs not Lubbock's weird hardware, can have a sane
  20          * VBUS IRQ and omit the methods above.  Store the GPIO number
  21          * here.  Note that sometimes the signals go through inverters...
  22          */
  23         bool    gpio_pullup_inverted;
  24         int     gpio_pullup;                    /* high == pullup activated */
  25 };
  26
  27 #endif