include/linux/mfd/hi6421-pmic.h

   1 /*
   2  * Header file for device driver Hi6421 PMIC
   3  *
   4  * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd.
   5  *              http://www.hisilicon.com
   6  * Copyright (c) <2013-2014> Linaro Ltd.
   7  *              http://www.linaro.org
   8  *
   9  * Author: Guodong Xu <guodong.xu@linaro.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #ifndef __HI6421_PMIC_H
  17 #define __HI6421_PMIC_H
  18
  19 /* Hi6421 registers are mapped to memory bus in 4 bytes stride */
  20 #define HI6421_REG_TO_BUS_ADDR(x)       (x << 2)
  21
  22 /* Hi6421 maximum register number */
  23 #define HI6421_REG_MAX                  0xFF
  24
  25 /* Hi6421 OCP (over current protection) and DEB (debounce) control register */
  26 #define HI6421_OCP_DEB_CTRL_REG         HI6421_REG_TO_BUS_ADDR(0x51)
  27 #define HI6421_OCP_DEB_SEL_MASK         0x0C
  28 #define HI6421_OCP_DEB_SEL_8MS          0x00
  29 #define HI6421_OCP_DEB_SEL_16MS         0x04
  30 #define HI6421_OCP_DEB_SEL_32MS         0x08
  31 #define HI6421_OCP_DEB_SEL_64MS         0x0C
  32 #define HI6421_OCP_EN_DEBOUNCE_MASK     0x02
  33 #define HI6421_OCP_EN_DEBOUNCE_ENABLE   0x02
  34 #define HI6421_OCP_AUTO_STOP_MASK       0x01
  35 #define HI6421_OCP_AUTO_STOP_ENABLE     0x01
  36
  37 struct hi6421_pmic {
  38         struct regmap           *regmap;
  39 };
  40
  41 enum hi6421_type {
  42         HI6421 = 0,
  43         HI6421_V530,
  44 };
  45
  46 #endif          /* __HI6421_PMIC_H */