fan53555.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * fan53555.h - Fairchild Regulator FAN53555 Driver
 4 *
 5 * Copyright (C) 2012 Marvell Technology Ltd.
 6 * Yunfan Zhang <yfzhang@marvell.com>
 7 */
 8
 9#ifndef __FAN53555_H__
10#define __FAN53555_H__
11
12/* VSEL ID */
13enum {
14	FAN53555_VSEL_ID_0 = 0,
15	FAN53555_VSEL_ID_1,
16};
17
18/* Transition slew rate limiting from a low to high voltage.
19 * -----------------------
20 *   Bin |Slew Rate(mV/uS)
21 * ------|----------------
22 *   000 |    64.00
23 * ------|----------------
24 *   001 |    32.00
25 * ------|----------------
26 *   010 |    16.00
27 * ------|----------------
28 *   011 |     8.00
29 * ------|----------------
30 *   100 |     4.00
31 * ------|----------------
32 *   101 |     2.00
33 * ------|----------------
34 *   110 |     1.00
35 * ------|----------------
36 *   111 |     0.50
37 * -----------------------
38 */
39enum {
40	FAN53555_SLEW_RATE_64MV = 0,
41	FAN53555_SLEW_RATE_32MV,
42	FAN53555_SLEW_RATE_16MV,
43	FAN53555_SLEW_RATE_8MV,
44	FAN53555_SLEW_RATE_4MV,
45	FAN53555_SLEW_RATE_2MV,
46	FAN53555_SLEW_RATE_1MV,
47	FAN53555_SLEW_RATE_0_5MV,
48};
49
50struct fan53555_platform_data {
51	struct regulator_init_data *regulator;
52	unsigned int slew_rate;
53	/* Sleep VSEL ID */
54	unsigned int sleep_vsel_id;
55};
56
57#endif /* __FAN53555_H__ */