xref: /openbmc/linux/include/linux/mfd/ds1wm.h (revision b2441318)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* MFD cell driver data for the DS1WM driver
3  *
4  * to be defined in the MFD device that is
5  * using this driver for one of his sub devices
6  */
7 
8 struct ds1wm_driver_data {
9 	int active_high;
10 	int clock_rate;
11 	/* in milliseconds, the amount of time to
12 	 * sleep following a reset pulse. Zero
13 	 * should work if your bus devices recover
14 	 * time respects the 1-wire spec since the
15 	 * ds1wm implements the precise timings of
16 	 * a reset pulse/presence detect sequence.
17 	 */
18 	unsigned int reset_recover_delay;
19 
20 	/* Say 1 here for big endian Hardware
21 	 * (only relevant with bus-shift > 0
22 	 */
23 	bool is_hw_big_endian;
24 
25 	/* left shift of register number to get register address offsett.
26 	 * Only 0,1,2 allowed for 8,16 or 32 bit bus width respectively
27 	 */
28 	unsigned int bus_shift;
29 };
30