1 /*
2  *  Copyright (C) 2014 Gateworks Corporation
3  *  Tim Harvey <tharvey@gateworks.com>
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7 
8 #ifndef __PFUZE100_PMIC_H_
9 #define __PFUZE100_PMIC_H_
10 
11 /* PFUZE100 registers */
12 enum {
13 	PFUZE100_DEVICEID	= 0x00,
14 	PFUZE100_REVID		= 0x03,
15 	PFUZE100_FABID		= 0x04,
16 
17 	PFUZE100_SW1ABVOL	= 0x20,
18 	PFUZE100_SW1ABSTBY	= 0x21,
19 	PFUZE100_SW1ABOFF	= 0x22,
20 	PFUZE100_SW1ABMODE	= 0x23,
21 	PFUZE100_SW1ABCONF	= 0x24,
22 	PFUZE100_SW1CVOL	= 0x2e,
23 	PFUZE100_SW1CSTBY	= 0x2f,
24 	PFUZE100_SW1COFF	= 0x30,
25 	PFUZE100_SW1CMODE	= 0x31,
26 	PFUZE100_SW1CCONF	= 0x32,
27 	PFUZE100_SW2VOL		= 0x35,
28 	PFUZE100_SW2STBY	= 0x36,
29 	PFUZE100_SW2OFF		= 0x37,
30 	PFUZE100_SW2MODE	= 0x38,
31 	PFUZE100_SW2CONF	= 0x39,
32 	PFUZE100_SW3AVOL	= 0x3c,
33 	PFUZE100_SW3ASTBY	= 0x3D,
34 	PFUZE100_SW3AOFF	= 0x3E,
35 	PFUZE100_SW3AMODE	= 0x3F,
36 	PFUZE100_SW3ACONF	= 0x40,
37 	PFUZE100_SW3BVOL	= 0x43,
38 	PFUZE100_SW3BSTBY	= 0x44,
39 	PFUZE100_SW3BOFF	= 0x45,
40 	PFUZE100_SW3BMODE	= 0x46,
41 	PFUZE100_SW3BCONF	= 0x47,
42 	PFUZE100_SW4VOL		= 0x4a,
43 	PFUZE100_SW4STBY	= 0x4b,
44 	PFUZE100_SW4OFF		= 0x4c,
45 	PFUZE100_SW4MODE	= 0x4d,
46 	PFUZE100_SW4CONF	= 0x4e,
47 	PFUZE100_SWBSTCON1	= 0x66,
48 	PFUZE100_VREFDDRCON	= 0x6a,
49 	PFUZE100_VSNVSVOL	= 0x6b,
50 	PFUZE100_VGEN1VOL	= 0x6c,
51 	PFUZE100_VGEN2VOL	= 0x6d,
52 	PFUZE100_VGEN3VOL	= 0x6e,
53 	PFUZE100_VGEN4VOL	= 0x6f,
54 	PFUZE100_VGEN5VOL	= 0x70,
55 	PFUZE100_VGEN6VOL	= 0x71,
56 
57 	PMIC_NUM_OF_REGS	= 0x7f,
58 };
59 
60 /* Registor offset based on VOLT register */
61 #define PFUZE100_VOL_OFFSET	0
62 #define PFUZE100_STBY_OFFSET	1
63 #define PFUZE100_OFF_OFFSET	2
64 #define PFUZE100_MODE_OFFSET	3
65 #define PFUZE100_CONF_OFFSET	4
66 
67 /*
68  * Buck Regulators
69  */
70 
71 #define PFUZE100_SW1ABC_SETP(x)	((x - 3000) / 250)
72 
73 /* SW1A/B/C Output Voltage Configuration */
74 #define SW1x_0_300V 0
75 #define SW1x_0_325V 1
76 #define SW1x_0_350V 2
77 #define SW1x_0_375V 3
78 #define SW1x_0_400V 4
79 #define SW1x_0_425V 5
80 #define SW1x_0_450V 6
81 #define SW1x_0_475V 7
82 #define SW1x_0_500V 8
83 #define SW1x_0_525V 9
84 #define SW1x_0_550V 10
85 #define SW1x_0_575V 11
86 #define SW1x_0_600V 12
87 #define SW1x_0_625V 13
88 #define SW1x_0_650V 14
89 #define SW1x_0_675V 15
90 #define SW1x_0_700V 16
91 #define SW1x_0_725V 17
92 #define SW1x_0_750V 18
93 #define SW1x_0_775V 19
94 #define SW1x_0_800V 20
95 #define SW1x_0_825V 21
96 #define SW1x_0_850V 22
97 #define SW1x_0_875V 23
98 #define SW1x_0_900V 24
99 #define SW1x_0_925V 25
100 #define SW1x_0_950V 26
101 #define SW1x_0_975V 27
102 #define SW1x_1_000V 28
103 #define SW1x_1_025V 29
104 #define SW1x_1_050V 30
105 #define SW1x_1_075V 31
106 #define SW1x_1_100V 32
107 #define SW1x_1_125V 33
108 #define SW1x_1_150V 34
109 #define SW1x_1_175V 35
110 #define SW1x_1_200V 36
111 #define SW1x_1_225V 37
112 #define SW1x_1_250V 38
113 #define SW1x_1_275V 39
114 #define SW1x_1_300V 40
115 #define SW1x_1_325V 41
116 #define SW1x_1_350V 42
117 #define SW1x_1_375V 43
118 #define SW1x_1_400V 44
119 #define SW1x_1_425V 45
120 #define SW1x_1_450V 46
121 #define SW1x_1_475V 47
122 #define SW1x_1_500V 48
123 #define SW1x_1_525V 49
124 #define SW1x_1_550V 50
125 #define SW1x_1_575V 51
126 #define SW1x_1_600V 52
127 #define SW1x_1_625V 53
128 #define SW1x_1_650V 54
129 #define SW1x_1_675V 55
130 #define SW1x_1_700V 56
131 #define SW1x_1_725V 57
132 #define SW1x_1_750V 58
133 #define SW1x_1_775V 59
134 #define SW1x_1_800V 60
135 #define SW1x_1_825V 61
136 #define SW1x_1_850V 62
137 #define SW1x_1_875V 63
138 
139 #define SW1x_NORMAL_MASK  0x3f
140 #define SW1x_STBY_MASK    0x3f
141 #define SW1x_OFF_MASK     0x3f
142 
143 #define SW_MODE_MASK	0xf
144 #define SW_MODE_SHIFT	0
145 
146 #define SW1xCONF_DVSSPEED_MASK 0xc0
147 #define SW1xCONF_DVSSPEED_2US  0x00
148 #define SW1xCONF_DVSSPEED_4US  0x40
149 #define SW1xCONF_DVSSPEED_8US  0x80
150 #define SW1xCONF_DVSSPEED_16US 0xc0
151 
152 /*
153  * LDO Configuration
154  */
155 
156 /* VGEN1/2 Voltage Configuration */
157 #define LDOA_0_80V	0
158 #define LDOA_0_85V	1
159 #define LDOA_0_90V	2
160 #define LDOA_0_95V	3
161 #define LDOA_1_00V	4
162 #define LDOA_1_05V	5
163 #define LDOA_1_10V	6
164 #define LDOA_1_15V	7
165 #define LDOA_1_20V	8
166 #define LDOA_1_25V	9
167 #define LDOA_1_30V	10
168 #define LDOA_1_35V	11
169 #define LDOA_1_40V	12
170 #define LDOA_1_45V	13
171 #define LDOA_1_50V	14
172 #define LDOA_1_55V	15
173 
174 /* VGEN3/4/5/6 Voltage Configuration */
175 #define LDOB_1_80V	0
176 #define LDOB_1_90V	1
177 #define LDOB_2_00V	2
178 #define LDOB_2_10V	3
179 #define LDOB_2_20V	4
180 #define LDOB_2_30V	5
181 #define LDOB_2_40V	6
182 #define LDOB_2_50V	7
183 #define LDOB_2_60V	8
184 #define LDOB_2_70V	9
185 #define LDOB_2_80V	10
186 #define LDOB_2_90V	11
187 #define LDOB_3_00V	12
188 #define LDOB_3_10V	13
189 #define LDOB_3_20V	14
190 #define LDOB_3_30V	15
191 
192 #define LDO_VOL_MASK	0xf
193 #define LDO_EN		(1 << 4)
194 #define LDO_MODE_SHIFT	4
195 #define LDO_MODE_MASK	(1 << 4)
196 #define LDO_MODE_OFF	0
197 #define LDO_MODE_ON	1
198 
199 #define VREFDDRCON_EN	(1 << 4)
200 /*
201  * Boost Regulator
202  */
203 
204 /* SWBST Output Voltage */
205 #define SWBST_5_00V	0
206 #define SWBST_5_05V	1
207 #define SWBST_5_10V	2
208 #define SWBST_5_15V	3
209 
210 #define SWBST_VOL_MASK	0x3
211 #define SWBST_MODE_MASK	0xC
212 #define SWBST_MODE_SHIFT 0x2
213 #define SWBST_MODE_OFF	0
214 #define SWBST_MODE_PFM	1
215 #define SWBST_MODE_AUTO	2
216 #define SWBST_MODE_APS	3
217 
218 /*
219  * Regulator Mode Control
220  *
221  * OFF: The regulator is switched off and the output voltage is discharged.
222  * PFM: In this mode, the regulator is always in PFM mode, which is useful
223  *      at light loads for optimized efficiency.
224  * PWM: In this mode, the regulator is always in PWM mode operation
225  *	regardless of load conditions.
226  * APS: In this mode, the regulator moves automatically between pulse
227  *	skipping mode and PWM mode depending on load conditions.
228  *
229  * SWxMODE[3:0]
230  * Normal Mode  |  Standby Mode	|      value
231  *   OFF		OFF		0x0
232  *   PWM		OFF		0x1
233  *   PFM		OFF		0x3
234  *   APS		OFF		0x4
235  *   PWM		PWM		0x5
236  *   PWM		APS		0x6
237  *   APS		APS		0x8
238  *   APS		PFM		0xc
239  *   PWM		PFM		0xd
240  */
241 #define OFF_OFF		0x0
242 #define PWM_OFF		0x1
243 #define PFM_OFF		0x3
244 #define APS_OFF		0x4
245 #define PWM_PWM		0x5
246 #define PWM_APS		0x6
247 #define APS_APS		0x8
248 #define APS_PFM		0xc
249 #define PWM_PFM		0xd
250 
251 #define SWITCH_SIZE	0x7
252 
253 int power_pfuze100_init(unsigned char bus);
254 #endif
255