include/linux/mfd/max8998.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * max8998.h - Voltage regulator driver for the Maxim 8998
   4  *
   5  *  Copyright (C) 2009-2010 Samsung Electrnoics
   6  *  Kyungmin Park <kyungmin.park@samsung.com>
   7  *  Marek Szyprowski <m.szyprowski@samsung.com>
   8  */
   9
  10 #ifndef __LINUX_MFD_MAX8998_H
  11 #define __LINUX_MFD_MAX8998_H
  12
  13 #include <linux/regulator/machine.h>
  14
  15 /* MAX 8998 regulator ids */
  16 enum {
  17         MAX8998_LDO2 = 2,
  18         MAX8998_LDO3,
  19         MAX8998_LDO4,
  20         MAX8998_LDO5,
  21         MAX8998_LDO6,
  22         MAX8998_LDO7,
  23         MAX8998_LDO8,
  24         MAX8998_LDO9,
  25         MAX8998_LDO10,
  26         MAX8998_LDO11,
  27         MAX8998_LDO12,
  28         MAX8998_LDO13,
  29         MAX8998_LDO14,
  30         MAX8998_LDO15,
  31         MAX8998_LDO16,
  32         MAX8998_LDO17,
  33         MAX8998_BUCK1,
  34         MAX8998_BUCK2,
  35         MAX8998_BUCK3,
  36         MAX8998_BUCK4,
  37         MAX8998_EN32KHZ_AP,
  38         MAX8998_EN32KHZ_CP,
  39         MAX8998_ENVICHG,
  40         MAX8998_ESAFEOUT1,
  41         MAX8998_ESAFEOUT2,
  42 };
  43
  44 /**
  45  * max8998_regulator_data - regulator data
  46  * @id: regulator id
  47  * @initdata: regulator init data (contraints, supplies, ...)
  48  * @reg_node: DT node of regulator (unused on non-DT platforms)
  49  */
  50 struct max8998_regulator_data {
  51         int                             id;
  52         struct regulator_init_data      *initdata;
  53         struct device_node              *reg_node;
  54 };
  55
  56 /**
  57  * struct max8998_board - packages regulator init data
  58  * @regulators: array of defined regulators
  59  * @num_regulators: number of regulators used
  60  * @irq_base: base IRQ number for max8998, required for IRQs
  61  * @ono: power onoff IRQ number for max8998
  62  * @buck_voltage_lock: Do NOT change the values of the following six
  63  *   registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
  64  *   be other than the preset values.
  65  * @buck1_voltage: BUCK1 DVS mode 1 voltage registers
  66  * @buck2_voltage: BUCK2 DVS mode 2 voltage registers
  67  * @buck1_set1: BUCK1 gpio pin 1 to set output voltage
  68  * @buck1_set2: BUCK1 gpio pin 2 to set output voltage
  69  * @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
  70  * @buck2_set3: BUCK2 gpio pin to set output voltage
  71  * @buck2_default_idx: Default for BUCK2 gpio pin.
  72  * @wakeup: Allow to wake up from suspend
  73  * @rtc_delay: LP3974 RTC chip bug that requires delay after a register
  74  * write before reading it.
  75  * @eoc: End of Charge Level in percent: 10% ~ 45% by 5% step
  76  *   If it equals 0, leave it unchanged.
  77  *   Otherwise, it is a invalid value.
  78  * @restart: Restart Level in mV: 100, 150, 200, and -1 for disable.
  79  *   If it equals 0, leave it unchanged.
  80  *   Otherwise, it is a invalid value.
  81  * @timeout: Full Timeout in hours: 5, 6, 7, and -1 for disable.
  82  *   If it equals 0, leave it unchanged.
  83  *   Otherwise, leave it unchanged.
  84  */
  85 struct max8998_platform_data {
  86         struct max8998_regulator_data   *regulators;
  87         int                             num_regulators;
  88         unsigned int                    irq_base;
  89         int                             ono;
  90         bool                            buck_voltage_lock;
  91         int                             buck1_voltage[4];
  92         int                             buck2_voltage[2];
  93         int                             buck1_set1;
  94         int                             buck1_set2;
  95         int                             buck1_default_idx;
  96         int                             buck2_set3;
  97         int                             buck2_default_idx;
  98         bool                            wakeup;
  99         bool                            rtc_delay;
 100         int                             eoc;
 101         int                             restart;
 102         int                             timeout;
 103 };
 104
 105 #endif /*  __LINUX_MFD_MAX8998_H */