2 * linux/include/asm-arm/mach/udc_pxa2xx.h
4 * This supports machine-specific differences in how the PXA2xx
5 * USB Device Controller (UDC) is wired.
7 * It is set in linux/arch/arm/mach-pxa/<machine>.c or in
8 * linux/arch/mach-ixp4xx/<machine>.c and used in
9 * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c
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 */
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; for GPIO 0, also mask in one of the pxa_gpio_mode() bits.
22 * Note that sometimes the signals go through inverters...
24 bool gpio_vbus_inverted;
25 u16 gpio_vbus; /* high == vbus present */
26 bool gpio_pullup_inverted;
27 u16 gpio_pullup; /* high == pullup activated */