include/linux/mfd/hi6421-pmic.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Header file for device driver Hi6421 PMIC
   4  *
   5  * Copyright (c) <2011-2014> HiSilicon Technologies Co., Ltd.
   6  *              http://www.hisilicon.com
   7  * Copyright (c) <2013-2014> Linaro Ltd.
   8  *              http://www.linaro.org
   9  *
  10  * Author: Guodong Xu <guodong.xu@linaro.org>
  11  */
  12
  13 #ifndef __HI6421_PMIC_H
  14 #define __HI6421_PMIC_H
  15
  16 /* Hi6421 registers are mapped to memory bus in 4 bytes stride */
  17 #define HI6421_REG_TO_BUS_ADDR(x)       (x << 2)
  18
  19 /* Hi6421 maximum register number */
  20 #define HI6421_REG_MAX                  0xFF
  21
  22 /* Hi6421 OCP (over current protection) and DEB (debounce) control register */
  23 #define HI6421_OCP_DEB_CTRL_REG         HI6421_REG_TO_BUS_ADDR(0x51)
  24 #define HI6421_OCP_DEB_SEL_MASK         0x0C
  25 #define HI6421_OCP_DEB_SEL_8MS          0x00
  26 #define HI6421_OCP_DEB_SEL_16MS         0x04
  27 #define HI6421_OCP_DEB_SEL_32MS         0x08
  28 #define HI6421_OCP_DEB_SEL_64MS         0x0C
  29 #define HI6421_OCP_EN_DEBOUNCE_MASK     0x02
  30 #define HI6421_OCP_EN_DEBOUNCE_ENABLE   0x02
  31 #define HI6421_OCP_AUTO_STOP_MASK       0x01
  32 #define HI6421_OCP_AUTO_STOP_ENABLE     0x01
  33
  34 struct hi6421_pmic {
  35         struct regmap           *regmap;
  36 };
  37
  38 enum hi6421_type {
  39         HI6421 = 0,
  40         HI6421_V530,
  41 };
  42
  43 #endif          /* __HI6421_PMIC_H */