linux-sg2042/include/linux/regulator/fan53555.h

62 lines
1.3 KiB
C

/*
* fan53555.h - Fairchild Regulator FAN53555 Driver
*
* Copyright (C) 2012 Marvell Technology Ltd.
* Yunfan Zhang <yfzhang@marvell.com>
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __FAN53555_H__
#define __FAN53555_H__
/* VSEL ID */
enum {
FAN53555_VSEL_ID_0 = 0,
FAN53555_VSEL_ID_1,
};
/* Transition slew rate limiting from a low to high voltage.
* -----------------------
* Bin |Slew Rate(mV/uS)
* ------|----------------
* 000 | 64.00
* ------|----------------
* 001 | 32.00
* ------|----------------
* 010 | 16.00
* ------|----------------
* 011 | 8.00
* ------|----------------
* 100 | 4.00
* ------|----------------
* 101 | 2.00
* ------|----------------
* 110 | 1.00
* ------|----------------
* 111 | 0.50
* -----------------------
*/
enum {
FAN53555_SLEW_RATE_64MV = 0,
FAN53555_SLEW_RATE_32MV,
FAN53555_SLEW_RATE_16MV,
FAN53555_SLEW_RATE_8MV,
FAN53555_SLEW_RATE_4MV,
FAN53555_SLEW_RATE_2MV,
FAN53555_SLEW_RATE_1MV,
FAN53555_SLEW_RATE_0_5MV,
};
struct fan53555_platform_data {
struct regulator_init_data *regulator;
unsigned int slew_rate;
/* Sleep VSEL ID */
unsigned int sleep_vsel_id;
};
#endif /* __FAN53555_H__ */