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 };