linux_dsm_epyc7002/include/linux/platform_data/max3421-hcd.h
David Mosberger-Tang 4055e5e54e usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
Signed-off-by: Davidm Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-29 11:19:30 -07:00

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C

/*
* Copyright (c) 2014 eGauge Systems LLC
* Contributed by David Mosberger-Tang <davidm@egauge.net>
*
* Platform-data structure for MAX3421 USB HCD driver.
*
*/
#ifndef MAX3421_HCD_PLAT_H_INCLUDED
#define MAX3421_HCD_PLAT_H_INCLUDED
/*
* This structure defines the mapping of certain auxiliary functions to the
* MAX3421E GPIO pins. The chip has eight GP inputs and eight GP outputs.
* A value of 0 indicates that the pin is not used/wired to anything.
*
* At this point, the only control the max3421-hcd driver cares about is
* to control Vbus (5V to the peripheral).
*/
struct max3421_hcd_platform_data {
u8 vbus_gpout; /* pin controlling Vbus */
u8 vbus_active_level; /* level that turns on power */
};
#endif /* MAX3421_HCD_PLAT_H_INCLUDED */