linux/include/linux/mfd/max8998.h
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   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 */
  29enum {
  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 */
  63struct 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 */
  98struct 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 */
 119