1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * This supports machine-specific differences in how the PXA2xx
4 * USB Device Controller (UDC) is wired.
5 *
6 * It is set in linux/arch/arm/mach-pxa/<machine>.c or in
7 * linux/arch/mach-ixp4xx/<machine>.c and used in
8 * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c
9 */
10 #ifndef PXA2XX_UDC_H
11 #define PXA2XX_UDC_H
12
13 struct pxa2xx_udc_mach_info {
14 int (*udc_is_connected)(void); /* do we see host? */
15 void (*udc_command)(int cmd);
16 #define PXA2XX_UDC_CMD_CONNECT 0 /* let host see us */
17 #define PXA2XX_UDC_CMD_DISCONNECT 1 /* so host won't see us */
18
19 /* Boards following the design guidelines in the developer's manual,
20 * with on-chip GPIOs not Lubbock's weird hardware, can have a sane
21 * VBUS IRQ and omit the methods above. Store the GPIO number
22 * here. Note that sometimes the signals go through inverters...
23 */
24 bool gpio_pullup_inverted;
25 int gpio_pullup; /* high == pullup activated */
26 };
27
28 #endif