xref: /linux/include/linux/platform_data/max3421-hcd.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2014 eGauge Systems LLC
4  *	Contributed by David Mosberger-Tang <davidm@egauge.net>
5  *
6  * Platform-data structure for MAX3421 USB HCD driver.
7  *
8  */
9 #ifndef MAX3421_HCD_PLAT_H_INCLUDED
10 #define MAX3421_HCD_PLAT_H_INCLUDED
11 
12 /*
13  * This structure defines the mapping of certain auxiliary functions to the
14  * MAX3421E GPIO pins.  The chip has eight GP inputs and eight GP outputs.
15  * A value of 0 indicates that the pin is not used/wired to anything.
16  *
17  * At this point, the only control the max3421-hcd driver cares about is
18  * to control Vbus (5V to the peripheral).
19  */
20 struct max3421_hcd_platform_data {
21 	u8 vbus_gpout;			/* pin controlling Vbus */
22 	u8 vbus_active_level;		/* level that turns on power */
23 };
24 
25 #endif /* MAX3421_HCD_PLAT_H_INCLUDED */
26