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3008ddbe | 1 | /* |
aee2a57c | 2 | * max14577.h - Driver for the Maxim 14577/77836 |
3008ddbe | 3 | * |
aee2a57c | 4 | * Copyright (C) 2014 Samsung Electrnoics |
3008ddbe | 5 | * Chanwoo Choi <cw00.choi@samsung.com> |
8c5d0571 | 6 | * Krzysztof Kozlowski <krzk@kernel.org> |
3008ddbe CC |
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 | * This driver is based on max8997.h | |
19 | * | |
20 | * MAX14577 has MUIC, Charger devices. | |
21 | * The devices share the same I2C bus and interrupt line | |
22 | * included in this mfd driver. | |
aee2a57c KK |
23 | * |
24 | * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave | |
25 | * addresses. | |
3008ddbe CC |
26 | */ |
27 | ||
28 | #ifndef __MAX14577_H__ | |
29 | #define __MAX14577_H__ | |
30 | ||
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31 | #include <linux/regulator/consumer.h> |
32 | ||
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33 | /* MAX14577 regulator IDs */ |
34 | enum max14577_regulators { | |
35 | MAX14577_SAFEOUT = 0, | |
36 | MAX14577_CHARGER, | |
37 | ||
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38 | MAX14577_REGULATOR_NUM, |
39 | }; | |
40 | ||
41 | /* MAX77836 regulator IDs */ | |
42 | enum max77836_regulators { | |
43 | MAX77836_SAFEOUT = 0, | |
44 | MAX77836_CHARGER, | |
45 | MAX77836_LDO1, | |
46 | MAX77836_LDO2, | |
47 | ||
48 | MAX77836_REGULATOR_NUM, | |
3008ddbe CC |
49 | }; |
50 | ||
51 | struct max14577_regulator_platform_data { | |
52 | int id; | |
53 | struct regulator_init_data *initdata; | |
54 | struct device_node *of_node; | |
55 | }; | |
56 | ||
e30110e9 KK |
57 | struct max14577_charger_platform_data { |
58 | u32 constant_uvolt; | |
59 | u32 fast_charge_uamp; | |
60 | u32 eoc_uamp; | |
61 | u32 ovp_uvolt; | |
62 | }; | |
63 | ||
3008ddbe CC |
64 | /* |
65 | * MAX14577 MFD platform data | |
66 | */ | |
67 | struct max14577_platform_data { | |
68 | /* IRQ */ | |
69 | int irq_base; | |
70 | ||
71 | /* current control GPIOs */ | |
72 | int gpio_pogo_vbatt_en; | |
73 | int gpio_pogo_vbus_en; | |
74 | ||
75 | /* current control GPIO control function */ | |
76 | int (*set_gpio_pogo_vbatt_en) (int gpio_val); | |
77 | int (*set_gpio_pogo_vbus_en) (int gpio_val); | |
78 | ||
79 | int (*set_gpio_pogo_cb) (int new_dev); | |
80 | ||
81 | struct max14577_regulator_platform_data *regulators; | |
82 | }; | |
83 | ||
b8f139f6 KK |
84 | /* |
85 | * Valid limits of current for max14577 and max77836 chargers. | |
86 | * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4 | |
87 | * register for given chipset. | |
88 | */ | |
89 | struct maxim_charger_current { | |
90 | /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */ | |
91 | unsigned int min; | |
92 | /* | |
93 | * Minimal current when high setting is active, | |
94 | * set in CHGCTRL4/MBCICHWRCH, uA | |
95 | */ | |
96 | unsigned int high_start; | |
97 | /* Value of one step in high setting, uA */ | |
98 | unsigned int high_step; | |
99 | /* Maximum current of high setting, uA */ | |
100 | unsigned int max; | |
101 | }; | |
102 | ||
103 | extern const struct maxim_charger_current maxim_charger_currents[]; | |
104 | extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits, | |
105 | unsigned int min_ua, unsigned int max_ua, u8 *dst); | |
106 | ||
3008ddbe | 107 | #endif /* __MAX14577_H__ */ |