xref: /openbmc/linux/include/linux/mfd/max77686.h (revision 95e9fd10)
1 /*
2  * max77686.h - Driver for the Maxim 77686
3  *
4  *  Copyright (C) 2012 Samsung Electrnoics
5  *  Chiwoong Byun <woong.byun@samsung.com>
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 };
78 
79 enum max77686_opmode {
80 	MAX77686_OPMODE_NORMAL,
81 	MAX77686_OPMODE_LP,
82 	MAX77686_OPMODE_STANDBY,
83 };
84 
85 struct max77686_opmode_data {
86 	int id;
87 	int mode;
88 };
89 
90 struct max77686_platform_data {
91 	/* IRQ */
92 	int irq_gpio;
93 	int ono;
94 	int wakeup;
95 
96 	/* ---- PMIC ---- */
97 	struct max77686_regulator_data *regulators;
98 	int num_regulators;
99 
100 	struct max77686_opmode_data *opmode_data;
101 
102 	/*
103 	 * GPIO-DVS feature is not enabled with the current version of
104 	 * MAX77686 driver. Buck2/3/4_voltages[0] is used as the default
105 	 * voltage at probe. DVS/SELB gpios are set as OUTPUT-LOW.
106 	 */
107 	int buck234_gpio_dvs[3]; /* GPIO of [0]DVS1, [1]DVS2, [2]DVS3 */
108 	int buck234_gpio_selb[3]; /* [0]SELB2, [1]SELB3, [2]SELB4 */
109 	unsigned int buck2_voltage[8]; /* buckx_voltage in uV */
110 	unsigned int buck3_voltage[8];
111 	unsigned int buck4_voltage[8];
112 };
113 
114 #endif /* __LINUX_MFD_MAX77686_H */
115