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
29