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name : pxa2xx_udc.h
 /* SPDX-License-Identifier: GPL-2.0 */
/*
 * This supports machine-specific differences in how the PXA2xx
 * USB Device Controller (UDC) is wired.
 *
 * It is set in linux/arch/arm/mach-pxa/<machine>.c or in
 * linux/arch/mach-ixp4xx/<machine>.c and used in
 * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c
 */
#ifndef PXA2XX_UDC_H
#define PXA2XX_UDC_H

struct pxa2xx_udc_mach_info {
        int  (*udc_is_connected)(void);		/* do we see host? */
        void (*udc_command)(int cmd);
#define	PXA2XX_UDC_CMD_CONNECT		0	/* let host see us */
#define	PXA2XX_UDC_CMD_DISCONNECT	1	/* so host won't see us */

	/* Boards following the design guidelines in the developer's manual,
	 * with on-chip GPIOs not Lubbock's weird hardware, can have a sane
	 * VBUS IRQ and omit the methods above.  Store the GPIO number
	 * here.  Note that sometimes the signals go through inverters...
	 */
	bool	gpio_pullup_inverted;
	int	gpio_pullup;			/* high == pullup activated */
};

#ifdef CONFIG_PXA27x
extern void pxa27x_clear_otgph(void);
#else
#define pxa27x_clear_otgph()	do {} while (0)
#endif

#endif
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