blob: ff9c35dca59d39b05f94c26c88ac7d53c51a00fb [file] [log] [blame]
/* 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 */