1 /* SPDX-License-Identifier: GPL-2.0+ */ <<
2 /* 1 /*
3 * max14577.h - Driver for the Maxim 14577/778 2 * max14577.h - Driver for the Maxim 14577/77836
4 * 3 *
5 * Copyright (C) 2014 Samsung Electrnoics 4 * Copyright (C) 2014 Samsung Electrnoics
6 * Chanwoo Choi <cw00.choi@samsung.com> 5 * Chanwoo Choi <cw00.choi@samsung.com>
7 * Krzysztof Kozlowski <krzk@kernel.org> 6 * Krzysztof Kozlowski <krzk@kernel.org>
>> 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.
8 * 17 *
9 * This driver is based on max8997.h 18 * This driver is based on max8997.h
10 * 19 *
11 * MAX14577 has MUIC, Charger devices. 20 * MAX14577 has MUIC, Charger devices.
12 * The devices share the same I2C bus and inte 21 * The devices share the same I2C bus and interrupt line
13 * included in this mfd driver. 22 * included in this mfd driver.
14 * 23 *
15 * MAX77836 has additional PMIC and Fuel-Gauge 24 * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave
16 * addresses. 25 * addresses.
17 */ 26 */
18 27
19 #ifndef __MAX14577_H__ 28 #ifndef __MAX14577_H__
20 #define __MAX14577_H__ 29 #define __MAX14577_H__
21 30
22 #include <linux/regulator/consumer.h> 31 #include <linux/regulator/consumer.h>
23 32
24 /* MAX14577 regulator IDs */ 33 /* MAX14577 regulator IDs */
25 enum max14577_regulators { 34 enum max14577_regulators {
26 MAX14577_SAFEOUT = 0, 35 MAX14577_SAFEOUT = 0,
27 MAX14577_CHARGER, 36 MAX14577_CHARGER,
28 37
29 MAX14577_REGULATOR_NUM, 38 MAX14577_REGULATOR_NUM,
30 }; 39 };
31 40
32 /* MAX77836 regulator IDs */ 41 /* MAX77836 regulator IDs */
33 enum max77836_regulators { 42 enum max77836_regulators {
34 MAX77836_SAFEOUT = 0, 43 MAX77836_SAFEOUT = 0,
35 MAX77836_CHARGER, 44 MAX77836_CHARGER,
36 MAX77836_LDO1, 45 MAX77836_LDO1,
37 MAX77836_LDO2, 46 MAX77836_LDO2,
38 47
39 MAX77836_REGULATOR_NUM, 48 MAX77836_REGULATOR_NUM,
40 }; 49 };
41 50
42 struct max14577_regulator_platform_data { 51 struct max14577_regulator_platform_data {
43 int id; 52 int id;
44 struct regulator_init_data *initdata; 53 struct regulator_init_data *initdata;
45 struct device_node *of_node; 54 struct device_node *of_node;
46 }; 55 };
47 56
48 struct max14577_charger_platform_data { 57 struct max14577_charger_platform_data {
49 u32 constant_uvolt; 58 u32 constant_uvolt;
50 u32 fast_charge_uamp; 59 u32 fast_charge_uamp;
51 u32 eoc_uamp; 60 u32 eoc_uamp;
52 u32 ovp_uvolt; 61 u32 ovp_uvolt;
53 }; 62 };
54 63
55 /* 64 /*
56 * MAX14577 MFD platform data 65 * MAX14577 MFD platform data
57 */ 66 */
58 struct max14577_platform_data { 67 struct max14577_platform_data {
59 /* IRQ */ 68 /* IRQ */
60 int irq_base; 69 int irq_base;
61 70
62 /* current control GPIOs */ 71 /* current control GPIOs */
63 int gpio_pogo_vbatt_en; 72 int gpio_pogo_vbatt_en;
64 int gpio_pogo_vbus_en; 73 int gpio_pogo_vbus_en;
65 74
66 /* current control GPIO control functi 75 /* current control GPIO control function */
67 int (*set_gpio_pogo_vbatt_en) (int gpi 76 int (*set_gpio_pogo_vbatt_en) (int gpio_val);
68 int (*set_gpio_pogo_vbus_en) (int gpio 77 int (*set_gpio_pogo_vbus_en) (int gpio_val);
69 78
70 int (*set_gpio_pogo_cb) (int new_dev); 79 int (*set_gpio_pogo_cb) (int new_dev);
71 80
72 struct max14577_regulator_platform_dat 81 struct max14577_regulator_platform_data *regulators;
73 }; 82 };
74 83
75 /* 84 /*
76 * Valid limits of current for max14577 and ma 85 * Valid limits of current for max14577 and max77836 chargers.
77 * They must correspond to MBCICHWRCL and MBCI 86 * They must correspond to MBCICHWRCL and MBCICHWRCH fields in CHGCTRL4
78 * register for given chipset. 87 * register for given chipset.
79 */ 88 */
80 struct maxim_charger_current { 89 struct maxim_charger_current {
81 /* Minimal current, set in CHGCTRL4/MB 90 /* Minimal current, set in CHGCTRL4/MBCICHWRCL, uA */
82 unsigned int min; 91 unsigned int min;
83 /* 92 /*
84 * Minimal current when high setting i 93 * Minimal current when high setting is active,
85 * set in CHGCTRL4/MBCICHWRCH, uA 94 * set in CHGCTRL4/MBCICHWRCH, uA
86 */ 95 */
87 unsigned int high_start; 96 unsigned int high_start;
88 /* Value of one step in high setting, 97 /* Value of one step in high setting, uA */
89 unsigned int high_step; 98 unsigned int high_step;
90 /* Maximum current of high setting, uA 99 /* Maximum current of high setting, uA */
91 unsigned int max; 100 unsigned int max;
92 }; 101 };
93 102
94 extern const struct maxim_charger_current maxi 103 extern const struct maxim_charger_current maxim_charger_currents[];
95 extern int maxim_charger_calc_reg_current(cons 104 extern int maxim_charger_calc_reg_current(const struct maxim_charger_current *limits,
96 unsigned int min_ua, unsigned 105 unsigned int min_ua, unsigned int max_ua, u8 *dst);
97 106
98 #endif /* __MAX14577_H__ */ 107 #endif /* __MAX14577_H__ */
99 108
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.