| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * This supports machine-specific differences in how the PXA2xx |
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| 4 | * USB Device Controller (UDC) is wired. |
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| 5 | * |
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| 6 | * It is set in linux/arch/arm/mach-pxa/<machine>.c or in |
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| 7 | * linux/arch/mach-ixp4xx/<machine>.c and used in |
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| 8 | * the probe routine of linux/drivers/usb/gadget/pxa2xx_udc.c |
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| 9 | */ |
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| 10 | #ifndef PXA2XX_UDC_H |
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| 11 | #define PXA2XX_UDC_H |
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| 12 | |
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| 13 | struct pxa2xx_udc_mach_info { |
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| 14 | int (*udc_is_connected)(void); /* do we see host? */ |
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| 15 | void (*udc_command)(int cmd); |
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| 16 | #define PXA2XX_UDC_CMD_CONNECT 0 /* let host see us */ |
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| 17 | #define PXA2XX_UDC_CMD_DISCONNECT 1 /* so host won't see us */ |
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| 18 | |
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| 19 | /* Boards following the design guidelines in the developer's manual, |
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| 20 | * with on-chip GPIOs not Lubbock's weird hardware, can have a sane |
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| 21 | * VBUS IRQ and omit the methods above. Store the GPIO number |
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| 22 | * here. Note that sometimes the signals go through inverters... |
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| 23 | */ |
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| 24 | bool gpio_pullup_inverted; |
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| 25 | int gpio_pullup; /* high == pullup activated */ |
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| 26 | }; |
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| 27 | |
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| 28 | #ifdef CONFIG_PXA27x |
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| 29 | extern void pxa27x_clear_otgph(void); |
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| 30 | #else |
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| 31 | #define pxa27x_clear_otgph() do {} while (0) |
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| 32 | #endif |
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| 33 | |
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| 34 | #endif |
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| 35 | |
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