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gerrit.nordix.org / codeaurora / cp-linux / 8d8f6542b666daf5e87de156590e635c2c4da0c0 / . / include / linux / mfd / max8998.h
blob: e3956a654cbcfe8122a3a8ed0976eba4d7430df5 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -0600[diff] [blame^]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 */