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fan53555.h
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1 /*
2  * fan53555.h - Fairchild Regulator FAN53555 Driver
3  *
4  * Copyright (C) 2012 Marvell Technology Ltd.
5  * Yunfan Zhang <[email protected]>
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 
15 /* VSEL ID */
16 enum {
17  FAN53555_VSEL_ID_0 = 0,
18  FAN53555_VSEL_ID_1,
19 };
20 
21 /* Transition slew rate limiting from a low to high voltage.
22  * -----------------------
23  * Bin |Slew Rate(mV/uS)
24  * ------|----------------
25  * 000 | 64.00
26  * ------|----------------
27  * 001 | 32.00
28  * ------|----------------
29  * 010 | 16.00
30  * ------|----------------
31  * 011 | 8.00
32  * ------|----------------
33  * 100 | 4.00
34  * ------|----------------
35  * 101 | 2.00
36  * ------|----------------
37  * 110 | 1.00
38  * ------|----------------
39  * 111 | 0.50
40  * -----------------------
41  */
42 enum {
43  FAN53555_SLEW_RATE_64MV = 0,
44  FAN53555_SLEW_RATE_32MV,
45  FAN53555_SLEW_RATE_16MV,
46  FAN53555_SLEW_RATE_8MV,
47  FAN53555_SLEW_RATE_4MV,
48  FAN53555_SLEW_RATE_2MV,
49  FAN53555_SLEW_RATE_1MV,
50  FAN53555_SLEW_RATE_0_5MV,
51 };
52 
53 struct fan53555_platform_data {
54  struct regulator_init_data *regulator;
55  unsigned int slew_rate;
56  /* Sleep VSEL ID */
57  unsigned int sleep_vsel_id;
58 };
59 
60 #endif /* __FAN53555_H__ */
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