1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * max8952.h - Voltage regulation for the Maxim 8952
4 *
5 * Copyright (C) 2010 Samsung Electrnoics
6 * MyungJoo Ham <myungjoo.ham@samsung.com>
7 */
8
9 #ifndef REGULATOR_MAX8952
10 #define REGULATOR_MAX8952
11
12 #include <linux/regulator/machine.h>
13
14 enum {
15 MAX8952_DVS_MODE0,
16 MAX8952_DVS_MODE1,
17 MAX8952_DVS_MODE2,
18 MAX8952_DVS_MODE3,
19 };
20
21 enum {
22 MAX8952_DVS_770mV = 0,
23 MAX8952_DVS_780mV,
24 MAX8952_DVS_790mV,
25 MAX8952_DVS_800mV,
26 MAX8952_DVS_810mV,
27 MAX8952_DVS_820mV,
28 MAX8952_DVS_830mV,
29 MAX8952_DVS_840mV,
30 MAX8952_DVS_850mV,
31 MAX8952_DVS_860mV,
32 MAX8952_DVS_870mV,
33 MAX8952_DVS_880mV,
34 MAX8952_DVS_890mV,
35 MAX8952_DVS_900mV,
36 MAX8952_DVS_910mV,
37 MAX8952_DVS_920mV,
38 MAX8952_DVS_930mV,
39 MAX8952_DVS_940mV,
40 MAX8952_DVS_950mV,
41 MAX8952_DVS_960mV,
42 MAX8952_DVS_970mV,
43 MAX8952_DVS_980mV,
44 MAX8952_DVS_990mV,
45 MAX8952_DVS_1000mV,
46 MAX8952_DVS_1010mV,
47 MAX8952_DVS_1020mV,
48 MAX8952_DVS_1030mV,
49 MAX8952_DVS_1040mV,
50 MAX8952_DVS_1050mV,
51 MAX8952_DVS_1060mV,
52 MAX8952_DVS_1070mV,
53 MAX8952_DVS_1080mV,
54 MAX8952_DVS_1090mV,
55 MAX8952_DVS_1100mV,
56 MAX8952_DVS_1110mV,
57 MAX8952_DVS_1120mV,
58 MAX8952_DVS_1130mV,
59 MAX8952_DVS_1140mV,
60 MAX8952_DVS_1150mV,
61 MAX8952_DVS_1160mV,
62 MAX8952_DVS_1170mV,
63 MAX8952_DVS_1180mV,
64 MAX8952_DVS_1190mV,
65 MAX8952_DVS_1200mV,
66 MAX8952_DVS_1210mV,
67 MAX8952_DVS_1220mV,
68 MAX8952_DVS_1230mV,
69 MAX8952_DVS_1240mV,
70 MAX8952_DVS_1250mV,
71 MAX8952_DVS_1260mV,
72 MAX8952_DVS_1270mV,
73 MAX8952_DVS_1280mV,
74 MAX8952_DVS_1290mV,
75 MAX8952_DVS_1300mV,
76 MAX8952_DVS_1310mV,
77 MAX8952_DVS_1320mV,
78 MAX8952_DVS_1330mV,
79 MAX8952_DVS_1340mV,
80 MAX8952_DVS_1350mV,
81 MAX8952_DVS_1360mV,
82 MAX8952_DVS_1370mV,
83 MAX8952_DVS_1380mV,
84 MAX8952_DVS_1390mV,
85 MAX8952_DVS_1400mV,
86 };
87
88 enum {
89 MAX8952_SYNC_FREQ_26MHZ, /* Default */
90 MAX8952_SYNC_FREQ_13MHZ,
91 MAX8952_SYNC_FREQ_19_2MHZ,
92 };
93
94 enum {
95 MAX8952_RAMP_32mV_us = 0, /* Default */
96 MAX8952_RAMP_16mV_us,
97 MAX8952_RAMP_8mV_us,
98 MAX8952_RAMP_4mV_us,
99 MAX8952_RAMP_2mV_us,
100 MAX8952_RAMP_1mV_us,
101 MAX8952_RAMP_0_5mV_us,
102 MAX8952_RAMP_0_25mV_us,
103 };
104
105 #define MAX8952_NUM_DVS_MODE 4
106
107 struct max8952_platform_data {
108 u32 default_mode;
109 u32 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */
110
111 u32 sync_freq;
112 u32 ramp_speed;
113
114 struct regulator_init_data *reg_data;
115 };
116
117
118 #endif /* REGULATOR_MAX8952 */
119
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