include/linux/mfd/max8998.h

   1 /*
   2  * max8998.h - Voltage regulator driver for the Maxim 8998
   3  *
   4  *  Copyright (C) 2009-2010 Samsung Electrnoics
   5  *  Kyungmin Park <kyungmin.park@samsung.com>
   6  *  Marek Szyprowski <m.szyprowski@samsung.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef __LINUX_MFD_MAX8998_H
  24 #define __LINUX_MFD_MAX8998_H
  25
  26 #include <linux/regulator/machine.h>
  27
  28 /* MAX 8998 regulator ids */
  29 enum {
  30         MAX8998_LDO2 = 2,
  31         MAX8998_LDO3,
  32         MAX8998_LDO4,
  33         MAX8998_LDO5,
  34         MAX8998_LDO6,
  35         MAX8998_LDO7,
  36         MAX8998_LDO8,
  37         MAX8998_LDO9,
  38         MAX8998_LDO10,
  39         MAX8998_LDO11,
  40         MAX8998_LDO12,
  41         MAX8998_LDO13,
  42         MAX8998_LDO14,
  43         MAX8998_LDO15,
  44         MAX8998_LDO16,
  45         MAX8998_LDO17,
  46         MAX8998_BUCK1,
  47         MAX8998_BUCK2,
  48         MAX8998_BUCK3,
  49         MAX8998_BUCK4,
  50         MAX8998_EN32KHZ_AP,
  51         MAX8998_EN32KHZ_CP,
  52         MAX8998_ENVICHG,
  53         MAX8998_ESAFEOUT1,
  54         MAX8998_ESAFEOUT2,
  55 };
  56
  57 /**
  58  * max8998_regulator_data - regulator data
  59  * @id: regulator id
  60  * @initdata: regulator init data (contraints, supplies, ...)
  61  * @reg_node: DT node of regulator (unused on non-DT platforms)
  62  */
  63 struct max8998_regulator_data {
  64         int                             id;
  65         struct regulator_init_data      *initdata;
  66         struct device_node              *reg_node;
  67 };
  68
  69 /**
  70  * struct max8998_board - packages regulator init data
  71  * @regulators: array of defined regulators
  72  * @num_regulators: number of regulators used
  73  * @irq_base: base IRQ number for max8998, required for IRQs
  74  * @ono: power onoff IRQ number for max8998
  75  * @buck_voltage_lock: Do NOT change the values of the following six
  76  *   registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
  77  *   be other than the preset values.
  78  * @buck1_voltage: BUCK1 DVS mode 1 voltage registers
  79  * @buck2_voltage: BUCK2 DVS mode 2 voltage registers
  80  * @buck1_set1: BUCK1 gpio pin 1 to set output voltage
  81  * @buck1_set2: BUCK1 gpio pin 2 to set output voltage
  82  * @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
  83  * @buck2_set3: BUCK2 gpio pin to set output voltage
  84  * @buck2_default_idx: Default for BUCK2 gpio pin.
  85  * @wakeup: Allow to wake up from suspend
  86  * @rtc_delay: LP3974 RTC chip bug that requires delay after a register
  87  * write before reading it.
  88  * @eoc: End of Charge Level in percent: 10% ~ 45% by 5% step
  89  *   If it equals 0, leave it unchanged.
  90  *   Otherwise, it is a invalid value.
  91  * @restart: Restart Level in mV: 100, 150, 200, and -1 for disable.
  92  *   If it equals 0, leave it unchanged.
  93  *   Otherwise, it is a invalid value.
  94  * @timeout: Full Timeout in hours: 5, 6, 7, and -1 for disable.
  95  *   If it equals 0, leave it unchanged.
  96  *   Otherwise, leave it unchanged.
  97  */
  98 struct max8998_platform_data {
  99         struct max8998_regulator_data   *regulators;
 100         int                             num_regulators;
 101         unsigned int                    irq_base;
 102         int                             ono;
 103         bool                            buck_voltage_lock;
 104         int                             buck1_voltage[4];
 105         int                             buck2_voltage[2];
 106         int                             buck1_set1;
 107         int                             buck1_set2;
 108         int                             buck1_default_idx;
 109         int                             buck2_set3;
 110         int                             buck2_default_idx;
 111         bool                            wakeup;
 112         bool                            rtc_delay;
 113         int                             eoc;
 114         int                             restart;
 115         int                             timeout;
 116 };
 117
 118 #endif /*  __LINUX_MFD_MAX8998_H */