include/linux/mfd/sy7636a.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Functions to access SY3686A power management chip.
   4  *
   5  * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/
   6  */
   7
   8 #ifndef __MFD_SY7636A_H
   9 #define __MFD_SY7636A_H
  10
  11 #define SY7636A_REG_OPERATION_MODE_CRL          0x00
  12 /* It is set if a gpio is used to control the regulator */
  13 #define SY7636A_OPERATION_MODE_CRL_VCOMCTL      BIT(6)
  14 #define SY7636A_OPERATION_MODE_CRL_ONOFF        BIT(7)
  15 #define SY7636A_REG_VCOM_ADJUST_CTRL_L          0x01
  16 #define SY7636A_REG_VCOM_ADJUST_CTRL_H          0x02
  17 #define SY7636A_REG_VCOM_ADJUST_CTRL_MASK       0x01ff
  18 #define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL   0x03
  19 #define SY7636A_REG_POWER_ON_DELAY_TIME         0x06
  20 #define SY7636A_REG_FAULT_FLAG                  0x07
  21 #define SY7636A_FAULT_FLAG_PG                   BIT(0)
  22 #define SY7636A_REG_TERMISTOR_READOUT           0x08
  23
  24 #define SY7636A_REG_MAX                         0x08
  25
  26 #define VCOM_ADJUST_CTRL_MASK   0x1ff
  27 // Used to shift the high byte
  28 #define VCOM_ADJUST_CTRL_SHIFT  8
  29 // Used to scale from VCOM_ADJUST_CTRL to mv
  30 #define VCOM_ADJUST_CTRL_SCAL   10000
  31
  32 #define FAULT_FLAG_SHIFT        1
  33
  34 #endif /* __LINUX_MFD_SY7636A_H */