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max8952.h
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1 /*
2  * max8952.h - Voltage regulation for the Maxim 8952
3  *
4  * Copyright (C) 2010 Samsung Electrnoics
5  * MyungJoo Ham <[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 
22 #ifndef REGULATOR_MAX8952
23 #define REGULATOR_MAX8952
24 
25 #include <linux/regulator/machine.h>
26 
27 enum {
28  MAX8952_DVS_MODE0,
29  MAX8952_DVS_MODE1,
30  MAX8952_DVS_MODE2,
31  MAX8952_DVS_MODE3,
32 };
33 
34 enum {
35  MAX8952_DVS_770mV = 0,
36  MAX8952_DVS_780mV,
37  MAX8952_DVS_790mV,
38  MAX8952_DVS_800mV,
39  MAX8952_DVS_810mV,
40  MAX8952_DVS_820mV,
41  MAX8952_DVS_830mV,
42  MAX8952_DVS_840mV,
43  MAX8952_DVS_850mV,
44  MAX8952_DVS_860mV,
45  MAX8952_DVS_870mV,
46  MAX8952_DVS_880mV,
47  MAX8952_DVS_890mV,
48  MAX8952_DVS_900mV,
49  MAX8952_DVS_910mV,
50  MAX8952_DVS_920mV,
51  MAX8952_DVS_930mV,
52  MAX8952_DVS_940mV,
53  MAX8952_DVS_950mV,
54  MAX8952_DVS_960mV,
55  MAX8952_DVS_970mV,
56  MAX8952_DVS_980mV,
57  MAX8952_DVS_990mV,
58  MAX8952_DVS_1000mV,
59  MAX8952_DVS_1010mV,
60  MAX8952_DVS_1020mV,
61  MAX8952_DVS_1030mV,
62  MAX8952_DVS_1040mV,
63  MAX8952_DVS_1050mV,
64  MAX8952_DVS_1060mV,
65  MAX8952_DVS_1070mV,
66  MAX8952_DVS_1080mV,
67  MAX8952_DVS_1090mV,
68  MAX8952_DVS_1100mV,
69  MAX8952_DVS_1110mV,
70  MAX8952_DVS_1120mV,
71  MAX8952_DVS_1130mV,
72  MAX8952_DVS_1140mV,
73  MAX8952_DVS_1150mV,
74  MAX8952_DVS_1160mV,
75  MAX8952_DVS_1170mV,
76  MAX8952_DVS_1180mV,
77  MAX8952_DVS_1190mV,
78  MAX8952_DVS_1200mV,
79  MAX8952_DVS_1210mV,
80  MAX8952_DVS_1220mV,
81  MAX8952_DVS_1230mV,
82  MAX8952_DVS_1240mV,
83  MAX8952_DVS_1250mV,
84  MAX8952_DVS_1260mV,
85  MAX8952_DVS_1270mV,
86  MAX8952_DVS_1280mV,
87  MAX8952_DVS_1290mV,
88  MAX8952_DVS_1300mV,
89  MAX8952_DVS_1310mV,
90  MAX8952_DVS_1320mV,
91  MAX8952_DVS_1330mV,
92  MAX8952_DVS_1340mV,
93  MAX8952_DVS_1350mV,
94  MAX8952_DVS_1360mV,
95  MAX8952_DVS_1370mV,
96  MAX8952_DVS_1380mV,
97  MAX8952_DVS_1390mV,
98  MAX8952_DVS_1400mV,
99 };
100 
101 enum {
102  MAX8952_SYNC_FREQ_26MHZ, /* Default */
103  MAX8952_SYNC_FREQ_13MHZ,
104  MAX8952_SYNC_FREQ_19_2MHZ,
105 };
106 
107 enum {
108  MAX8952_RAMP_32mV_us = 0, /* Default */
109  MAX8952_RAMP_16mV_us,
110  MAX8952_RAMP_8mV_us,
111  MAX8952_RAMP_4mV_us,
112  MAX8952_RAMP_2mV_us,
113  MAX8952_RAMP_1mV_us,
114  MAX8952_RAMP_0_5mV_us,
115  MAX8952_RAMP_0_25mV_us,
116 };
117 
118 #define MAX8952_NUM_DVS_MODE 4
119 
120 struct max8952_platform_data {
121  int gpio_vid0;
122  int gpio_vid1;
123  int gpio_en;
124 
125  u8 default_mode;
126  u8 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */
127 
128  u8 sync_freq;
129  u8 ramp_speed;
130 
131  struct regulator_init_data reg_data;
132 };
133 
134 
135 #endif /* REGULATOR_MAX8952 */
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