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 /* Device ID */
12 enum {PFUZE100 = 0x10, PFUZE200 = 0x11, PFUZE3000 = 0x30};
13 
14 #define PFUZE100_REGULATOR_DRIVER	"pfuze100_regulator"
15 
16 /* PFUZE100 registers */
17 enum {
18 	PFUZE100_DEVICEID	= 0x00,
19 	PFUZE100_REVID		= 0x03,
20 	PFUZE100_FABID		= 0x04,
21 
22 	PFUZE100_SW1ABVOL	= 0x20,
23 	PFUZE100_SW1ABSTBY	= 0x21,
24 	PFUZE100_SW1ABOFF	= 0x22,
25 	PFUZE100_SW1ABMODE	= 0x23,
26 	PFUZE100_SW1ABCONF	= 0x24,
27 	PFUZE100_SW1CVOL	= 0x2e,
28 	PFUZE100_SW1CSTBY	= 0x2f,
29 	PFUZE100_SW1COFF	= 0x30,
30 	PFUZE100_SW1CMODE	= 0x31,
31 	PFUZE100_SW1CCONF	= 0x32,
32 	PFUZE100_SW2VOL		= 0x35,
33 	PFUZE100_SW2STBY	= 0x36,
34 	PFUZE100_SW2OFF		= 0x37,
35 	PFUZE100_SW2MODE	= 0x38,
36 	PFUZE100_SW2CONF	= 0x39,
37 	PFUZE100_SW3AVOL	= 0x3c,
38 	PFUZE100_SW3ASTBY	= 0x3D,
39 	PFUZE100_SW3AOFF	= 0x3E,
40 	PFUZE100_SW3AMODE	= 0x3F,
41 	PFUZE100_SW3ACONF	= 0x40,
42 	PFUZE100_SW3BVOL	= 0x43,
43 	PFUZE100_SW3BSTBY	= 0x44,
44 	PFUZE100_SW3BOFF	= 0x45,
45 	PFUZE100_SW3BMODE	= 0x46,
46 	PFUZE100_SW3BCONF	= 0x47,
47 	PFUZE100_SW4VOL		= 0x4a,
48 	PFUZE100_SW4STBY	= 0x4b,
49 	PFUZE100_SW4OFF		= 0x4c,
50 	PFUZE100_SW4MODE	= 0x4d,
51 	PFUZE100_SW4CONF	= 0x4e,
52 	PFUZE100_SWBSTCON1	= 0x66,
53 	PFUZE100_VREFDDRCON	= 0x6a,
54 	PFUZE100_VSNVSVOL	= 0x6b,
55 	PFUZE100_VGEN1VOL	= 0x6c,
56 	PFUZE100_VGEN2VOL	= 0x6d,
57 	PFUZE100_VGEN3VOL	= 0x6e,
58 	PFUZE100_VGEN4VOL	= 0x6f,
59 	PFUZE100_VGEN5VOL	= 0x70,
60 	PFUZE100_VGEN6VOL	= 0x71,
61 
62 	PFUZE100_NUM_OF_REGS	= 0x7f,
63 };
64 
65 /* Registor offset based on VOLT register */
66 #define PFUZE100_VOL_OFFSET	0
67 #define PFUZE100_STBY_OFFSET	1
68 #define PFUZE100_OFF_OFFSET	2
69 #define PFUZE100_MODE_OFFSET	3
70 #define PFUZE100_CONF_OFFSET	4
71 
72 /*
73  * Buck Regulators
74  */
75 
76 #define PFUZE100_SW1ABC_SETP(x)	((x - 3000) / 250)
77 
78 /* SW1A/B/C Output Voltage Configuration */
79 #define SW1x_0_300V 0
80 #define SW1x_0_325V 1
81 #define SW1x_0_350V 2
82 #define SW1x_0_375V 3
83 #define SW1x_0_400V 4
84 #define SW1x_0_425V 5
85 #define SW1x_0_450V 6
86 #define SW1x_0_475V 7
87 #define SW1x_0_500V 8
88 #define SW1x_0_525V 9
89 #define SW1x_0_550V 10
90 #define SW1x_0_575V 11
91 #define SW1x_0_600V 12
92 #define SW1x_0_625V 13
93 #define SW1x_0_650V 14
94 #define SW1x_0_675V 15
95 #define SW1x_0_700V 16
96 #define SW1x_0_725V 17
97 #define SW1x_0_750V 18
98 #define SW1x_0_775V 19
99 #define SW1x_0_800V 20
100 #define SW1x_0_825V 21
101 #define SW1x_0_850V 22
102 #define SW1x_0_875V 23
103 #define SW1x_0_900V 24
104 #define SW1x_0_925V 25
105 #define SW1x_0_950V 26
106 #define SW1x_0_975V 27
107 #define SW1x_1_000V 28
108 #define SW1x_1_025V 29
109 #define SW1x_1_050V 30
110 #define SW1x_1_075V 31
111 #define SW1x_1_100V 32
112 #define SW1x_1_125V 33
113 #define SW1x_1_150V 34
114 #define SW1x_1_175V 35
115 #define SW1x_1_200V 36
116 #define SW1x_1_225V 37
117 #define SW1x_1_250V 38
118 #define SW1x_1_275V 39
119 #define SW1x_1_300V 40
120 #define SW1x_1_325V 41
121 #define SW1x_1_350V 42
122 #define SW1x_1_375V 43
123 #define SW1x_1_400V 44
124 #define SW1x_1_425V 45
125 #define SW1x_1_450V 46
126 #define SW1x_1_475V 47
127 #define SW1x_1_500V 48
128 #define SW1x_1_525V 49
129 #define SW1x_1_550V 50
130 #define SW1x_1_575V 51
131 #define SW1x_1_600V 52
132 #define SW1x_1_625V 53
133 #define SW1x_1_650V 54
134 #define SW1x_1_675V 55
135 #define SW1x_1_700V 56
136 #define SW1x_1_725V 57
137 #define SW1x_1_750V 58
138 #define SW1x_1_775V 59
139 #define SW1x_1_800V 60
140 #define SW1x_1_825V 61
141 #define SW1x_1_850V 62
142 #define SW1x_1_875V 63
143 
144 #define SW1x_NORMAL_MASK  0x3f
145 #define SW1x_STBY_MASK    0x3f
146 #define SW1x_OFF_MASK     0x3f
147 
148 #define SW_MODE_MASK	0xf
149 #define SW_MODE_SHIFT	0
150 
151 #define SW1xCONF_DVSSPEED_MASK 0xc0
152 #define SW1xCONF_DVSSPEED_2US  0x00
153 #define SW1xCONF_DVSSPEED_4US  0x40
154 #define SW1xCONF_DVSSPEED_8US  0x80
155 #define SW1xCONF_DVSSPEED_16US 0xc0
156 
157 /*
158  * LDO Configuration
159  */
160 
161 /* VGEN1/2 Voltage Configuration */
162 #define LDOA_0_80V	0
163 #define LDOA_0_85V	1
164 #define LDOA_0_90V	2
165 #define LDOA_0_95V	3
166 #define LDOA_1_00V	4
167 #define LDOA_1_05V	5
168 #define LDOA_1_10V	6
169 #define LDOA_1_15V	7
170 #define LDOA_1_20V	8
171 #define LDOA_1_25V	9
172 #define LDOA_1_30V	10
173 #define LDOA_1_35V	11
174 #define LDOA_1_40V	12
175 #define LDOA_1_45V	13
176 #define LDOA_1_50V	14
177 #define LDOA_1_55V	15
178 
179 /* VGEN3/4/5/6 Voltage Configuration */
180 #define LDOB_1_80V	0
181 #define LDOB_1_90V	1
182 #define LDOB_2_00V	2
183 #define LDOB_2_10V	3
184 #define LDOB_2_20V	4
185 #define LDOB_2_30V	5
186 #define LDOB_2_40V	6
187 #define LDOB_2_50V	7
188 #define LDOB_2_60V	8
189 #define LDOB_2_70V	9
190 #define LDOB_2_80V	10
191 #define LDOB_2_90V	11
192 #define LDOB_3_00V	12
193 #define LDOB_3_10V	13
194 #define LDOB_3_20V	14
195 #define LDOB_3_30V	15
196 
197 #define LDO_VOL_MASK	0xf
198 #define LDO_EN		(1 << 4)
199 #define LDO_MODE_SHIFT	4
200 #define LDO_MODE_MASK	(1 << 4)
201 #define LDO_MODE_OFF	0
202 #define LDO_MODE_ON	1
203 
204 #define VREFDDRCON_EN	(1 << 4)
205 /*
206  * Boost Regulator
207  */
208 
209 /* SWBST Output Voltage */
210 #define SWBST_5_00V	0
211 #define SWBST_5_05V	1
212 #define SWBST_5_10V	2
213 #define SWBST_5_15V	3
214 
215 #define SWBST_VOL_MASK	0x3
216 #define SWBST_MODE_MASK	0xC
217 #define SWBST_MODE_SHIFT 0x2
218 #define SWBST_MODE_OFF	0
219 #define SWBST_MODE_PFM	1
220 #define SWBST_MODE_AUTO	2
221 #define SWBST_MODE_APS	3
222 
223 /*
224  * Regulator Mode Control
225  *
226  * OFF: The regulator is switched off and the output voltage is discharged.
227  * PFM: In this mode, the regulator is always in PFM mode, which is useful
228  *      at light loads for optimized efficiency.
229  * PWM: In this mode, the regulator is always in PWM mode operation
230  *	regardless of load conditions.
231  * APS: In this mode, the regulator moves automatically between pulse
232  *	skipping mode and PWM mode depending on load conditions.
233  *
234  * SWxMODE[3:0]
235  * Normal Mode  |  Standby Mode	|      value
236  *   OFF		OFF		0x0
237  *   PWM		OFF		0x1
238  *   PFM		OFF		0x3
239  *   APS		OFF		0x4
240  *   PWM		PWM		0x5
241  *   PWM		APS		0x6
242  *   APS		APS		0x8
243  *   APS		PFM		0xc
244  *   PWM		PFM		0xd
245  */
246 #define OFF_OFF		0x0
247 #define PWM_OFF		0x1
248 #define PFM_OFF		0x3
249 #define APS_OFF		0x4
250 #define PWM_PWM		0x5
251 #define PWM_APS		0x6
252 #define APS_APS		0x8
253 #define APS_PFM		0xc
254 #define PWM_PFM		0xd
255 
256 #define SWITCH_SIZE	0x7
257 
258 int power_pfuze100_init(unsigned char bus);
259 #endif
260