| /* 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 */ | |
| }; | |
| #endif |