1/*
2 * fan53555.h - Fairchild Regulator FAN53555 Driver
3 *
4 * Copyright (C) 2012 Marvell Technology Ltd.
5 * Yunfan Zhang <yfzhang@marvell.com>
6 *
7 * This package is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 */
12
13#ifndef __FAN53555_H__
14#define __FAN53555_H__
15
16/* VSEL ID */
17enum {
18	FAN53555_VSEL_ID_0 = 0,
19	FAN53555_VSEL_ID_1,
20};
21
22/* Transition slew rate limiting from a low to high voltage.
23 * -----------------------
24 *   Bin |Slew Rate(mV/uS)
25 * ------|----------------
26 *   000 |    64.00
27 * ------|----------------
28 *   001 |    32.00
29 * ------|----------------
30 *   010 |    16.00
31 * ------|----------------
32 *   011 |     8.00
33 * ------|----------------
34 *   100 |     4.00
35 * ------|----------------
36 *   101 |     2.00
37 * ------|----------------
38 *   110 |     1.00
39 * ------|----------------
40 *   111 |     0.50
41 * -----------------------
42 */
43enum {
44	FAN53555_SLEW_RATE_64MV = 0,
45	FAN53555_SLEW_RATE_32MV,
46	FAN53555_SLEW_RATE_16MV,
47	FAN53555_SLEW_RATE_8MV,
48	FAN53555_SLEW_RATE_4MV,
49	FAN53555_SLEW_RATE_2MV,
50	FAN53555_SLEW_RATE_1MV,
51	FAN53555_SLEW_RATE_0_5MV,
52};
53
54struct fan53555_platform_data {
55	struct regulator_init_data *regulator;
56	unsigned int slew_rate;
57	/* Sleep VSEL ID */
58	unsigned int sleep_vsel_id;
59};
60
61#endif /* __FAN53555_H__ */
62