文件操作 - pxa2xx_udc.h
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文件: /usr/src/linux-headers-5.15.0-186/include/linux/platform_data/pxa2xx_udc.h
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/* 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
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