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max77686.h
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1 /*
2  * max77686.h - Driver for the Maxim 77686
3  *
4  * Copyright (C) 2012 Samsung Electrnoics
5  * Chiwoong Byun <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  * This driver is based on max8997.h
22  *
23  * MAX77686 has PMIC, RTC devices.
24  * The devices share the same I2C bus and included in
25  * this mfd driver.
26  */
27 
28 #ifndef __LINUX_MFD_MAX77686_H
29 #define __LINUX_MFD_MAX77686_H
30 
31 #include <linux/regulator/consumer.h>
32 
33 /* MAX77686 regulator IDs */
34 enum max77686_regulators {
35  MAX77686_LDO1 = 0,
36  MAX77686_LDO2,
37  MAX77686_LDO3,
38  MAX77686_LDO4,
39  MAX77686_LDO5,
40  MAX77686_LDO6,
41  MAX77686_LDO7,
42  MAX77686_LDO8,
43  MAX77686_LDO9,
44  MAX77686_LDO10,
45  MAX77686_LDO11,
46  MAX77686_LDO12,
47  MAX77686_LDO13,
48  MAX77686_LDO14,
49  MAX77686_LDO15,
50  MAX77686_LDO16,
51  MAX77686_LDO17,
52  MAX77686_LDO18,
53  MAX77686_LDO19,
54  MAX77686_LDO20,
55  MAX77686_LDO21,
56  MAX77686_LDO22,
57  MAX77686_LDO23,
58  MAX77686_LDO24,
59  MAX77686_LDO25,
60  MAX77686_LDO26,
61  MAX77686_BUCK1,
62  MAX77686_BUCK2,
63  MAX77686_BUCK3,
64  MAX77686_BUCK4,
65  MAX77686_BUCK5,
66  MAX77686_BUCK6,
67  MAX77686_BUCK7,
68  MAX77686_BUCK8,
69  MAX77686_BUCK9,
70 
71  MAX77686_REG_MAX,
72 };
73 
74 struct max77686_regulator_data {
75  int id;
76  struct regulator_init_data *initdata;
77  struct device_node *of_node;
78 };
79 
80 enum max77686_opmode {
81  MAX77686_OPMODE_NORMAL,
82  MAX77686_OPMODE_LP,
83  MAX77686_OPMODE_STANDBY,
84 };
85 
86 struct max77686_opmode_data {
87  int id;
88  int mode;
89 };
90 
91 struct max77686_platform_data {
92  /* IRQ */
93  int irq_gpio;
94  int ono;
95  int wakeup;
96 
97  /* ---- PMIC ---- */
98  struct max77686_regulator_data *regulators;
99  int num_regulators;
100 
101  struct max77686_opmode_data *opmode_data;
102 
103  /*
104  * GPIO-DVS feature is not enabled with the current version of
105  * MAX77686 driver. Buck2/3/4_voltages[0] is used as the default
106  * voltage at probe. DVS/SELB gpios are set as OUTPUT-LOW.
107  */
108  int buck234_gpio_dvs[3]; /* GPIO of [0]DVS1, [1]DVS2, [2]DVS3 */
109  int buck234_gpio_selb[3]; /* [0]SELB2, [1]SELB3, [2]SELB4 */
110  unsigned int buck2_voltage[8]; /* buckx_voltage in uV */
111  unsigned int buck3_voltage[8];
112  unsigned int buck4_voltage[8];
113 };
114 
115 #endif /* __LINUX_MFD_MAX77686_H */
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