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 */