1/*
2 * max8952.h - Voltage regulation for the Maxim 8952
3 *
4 *  Copyright (C) 2010 Samsung Electrnoics
5 *  MyungJoo Ham <myungjoo.ham@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
22#ifndef REGULATOR_MAX8952
23#define REGULATOR_MAX8952
24
25#include <linux/regulator/machine.h>
26
27enum {
28	MAX8952_DVS_MODE0,
29	MAX8952_DVS_MODE1,
30	MAX8952_DVS_MODE2,
31	MAX8952_DVS_MODE3,
32};
33
34enum {
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
101enum {
102	MAX8952_SYNC_FREQ_26MHZ, /* Default */
103	MAX8952_SYNC_FREQ_13MHZ,
104	MAX8952_SYNC_FREQ_19_2MHZ,
105};
106
107enum {
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
120struct max8952_platform_data {
121	int gpio_vid0;
122	int gpio_vid1;
123	int gpio_en;
124
125	u32 default_mode;
126	u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */
127
128	u32 sync_freq;
129	u32 ramp_speed;
130
131	struct regulator_init_data *reg_data;
132};
133
134
135#endif /* REGULATOR_MAX8952 */
136