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