1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  Copyright (C) 2014 Gateworks Corporation
4  *  Tim Harvey <tharvey@gateworks.com>
5  */
6 
7 #ifndef __PFUZE100_PMIC_H_
8 #define __PFUZE100_PMIC_H_
9 
10 /* Device ID */
11 enum {PFUZE100 = 0x10, PFUZE200 = 0x11, PFUZE3000 = 0x30};
12 
13 #define PFUZE100_REGULATOR_DRIVER	"pfuze100_regulator"
14 
15 /* PFUZE100 registers */
16 enum {
17 	PFUZE100_DEVICEID	= 0x00,
18 	PFUZE100_REVID		= 0x03,
19 	PFUZE100_FABID		= 0x04,
20 
21 	PFUZE100_SW1ABVOL	= 0x20,
22 	PFUZE100_SW1ABSTBY	= 0x21,
23 	PFUZE100_SW1ABOFF	= 0x22,
24 	PFUZE100_SW1ABMODE	= 0x23,
25 	PFUZE100_SW1ABCONF	= 0x24,
26 	PFUZE100_SW1CVOL	= 0x2e,
27 	PFUZE100_SW1CSTBY	= 0x2f,
28 	PFUZE100_SW1COFF	= 0x30,
29 	PFUZE100_SW1CMODE	= 0x31,
30 	PFUZE100_SW1CCONF	= 0x32,
31 	PFUZE100_SW2VOL		= 0x35,
32 	PFUZE100_SW2STBY	= 0x36,
33 	PFUZE100_SW2OFF		= 0x37,
34 	PFUZE100_SW2MODE	= 0x38,
35 	PFUZE100_SW2CONF	= 0x39,
36 	PFUZE100_SW3AVOL	= 0x3c,
37 	PFUZE100_SW3ASTBY	= 0x3D,
38 	PFUZE100_SW3AOFF	= 0x3E,
39 	PFUZE100_SW3AMODE	= 0x3F,
40 	PFUZE100_SW3ACONF	= 0x40,
41 	PFUZE100_SW3BVOL	= 0x43,
42 	PFUZE100_SW3BSTBY	= 0x44,
43 	PFUZE100_SW3BOFF	= 0x45,
44 	PFUZE100_SW3BMODE	= 0x46,
45 	PFUZE100_SW3BCONF	= 0x47,
46 	PFUZE100_SW4VOL		= 0x4a,
47 	PFUZE100_SW4STBY	= 0x4b,
48 	PFUZE100_SW4OFF		= 0x4c,
49 	PFUZE100_SW4MODE	= 0x4d,
50 	PFUZE100_SW4CONF	= 0x4e,
51 	PFUZE100_SWBSTCON1	= 0x66,
52 	PFUZE100_VREFDDRCON	= 0x6a,
53 	PFUZE100_VSNVSVOL	= 0x6b,
54 	PFUZE100_VGEN1VOL	= 0x6c,
55 	PFUZE100_VGEN2VOL	= 0x6d,
56 	PFUZE100_VGEN3VOL	= 0x6e,
57 	PFUZE100_VGEN4VOL	= 0x6f,
58 	PFUZE100_VGEN5VOL	= 0x70,
59 	PFUZE100_VGEN6VOL	= 0x71,
60 
61 	PFUZE100_NUM_OF_REGS	= 0x7f,
62 };
63 
64 /* Registor offset based on VOLT register */
65 #define PFUZE100_VOL_OFFSET	0
66 #define PFUZE100_STBY_OFFSET	1
67 #define PFUZE100_OFF_OFFSET	2
68 #define PFUZE100_MODE_OFFSET	3
69 #define PFUZE100_CONF_OFFSET	4
70 
71 /*
72  * Buck Regulators
73  */
74 
75 #define PFUZE100_SW1ABC_SETP(x)	((x - 3000) / 250)
76 
77 /* SW1A/B/C Output Voltage Configuration */
78 #define SW1x_0_300V 0
79 #define SW1x_0_325V 1
80 #define SW1x_0_350V 2
81 #define SW1x_0_375V 3
82 #define SW1x_0_400V 4
83 #define SW1x_0_425V 5
84 #define SW1x_0_450V 6
85 #define SW1x_0_475V 7
86 #define SW1x_0_500V 8
87 #define SW1x_0_525V 9
88 #define SW1x_0_550V 10
89 #define SW1x_0_575V 11
90 #define SW1x_0_600V 12
91 #define SW1x_0_625V 13
92 #define SW1x_0_650V 14
93 #define SW1x_0_675V 15
94 #define SW1x_0_700V 16
95 #define SW1x_0_725V 17
96 #define SW1x_0_750V 18
97 #define SW1x_0_775V 19
98 #define SW1x_0_800V 20
99 #define SW1x_0_825V 21
100 #define SW1x_0_850V 22
101 #define SW1x_0_875V 23
102 #define SW1x_0_900V 24
103 #define SW1x_0_925V 25
104 #define SW1x_0_950V 26
105 #define SW1x_0_975V 27
106 #define SW1x_1_000V 28
107 #define SW1x_1_025V 29
108 #define SW1x_1_050V 30
109 #define SW1x_1_075V 31
110 #define SW1x_1_100V 32
111 #define SW1x_1_125V 33
112 #define SW1x_1_150V 34
113 #define SW1x_1_175V 35
114 #define SW1x_1_200V 36
115 #define SW1x_1_225V 37
116 #define SW1x_1_250V 38
117 #define SW1x_1_275V 39
118 #define SW1x_1_300V 40
119 #define SW1x_1_325V 41
120 #define SW1x_1_350V 42
121 #define SW1x_1_375V 43
122 #define SW1x_1_400V 44
123 #define SW1x_1_425V 45
124 #define SW1x_1_450V 46
125 #define SW1x_1_475V 47
126 #define SW1x_1_500V 48
127 #define SW1x_1_525V 49
128 #define SW1x_1_550V 50
129 #define SW1x_1_575V 51
130 #define SW1x_1_600V 52
131 #define SW1x_1_625V 53
132 #define SW1x_1_650V 54
133 #define SW1x_1_675V 55
134 #define SW1x_1_700V 56
135 #define SW1x_1_725V 57
136 #define SW1x_1_750V 58
137 #define SW1x_1_775V 59
138 #define SW1x_1_800V 60
139 #define SW1x_1_825V 61
140 #define SW1x_1_850V 62
141 #define SW1x_1_875V 63
142 
143 #define SW1x_NORMAL_MASK  0x3f
144 #define SW1x_STBY_MASK    0x3f
145 #define SW1x_OFF_MASK     0x3f
146 
147 #define SW_MODE_MASK	0xf
148 #define SW_MODE_SHIFT	0
149 
150 #define SW1xCONF_DVSSPEED_MASK 0xc0
151 #define SW1xCONF_DVSSPEED_2US  0x00
152 #define SW1xCONF_DVSSPEED_4US  0x40
153 #define SW1xCONF_DVSSPEED_8US  0x80
154 #define SW1xCONF_DVSSPEED_16US 0xc0
155 
156 /*
157  * LDO Configuration
158  */
159 
160 /* VGEN1/2 Voltage Configuration */
161 #define LDOA_0_80V	0
162 #define LDOA_0_85V	1
163 #define LDOA_0_90V	2
164 #define LDOA_0_95V	3
165 #define LDOA_1_00V	4
166 #define LDOA_1_05V	5
167 #define LDOA_1_10V	6
168 #define LDOA_1_15V	7
169 #define LDOA_1_20V	8
170 #define LDOA_1_25V	9
171 #define LDOA_1_30V	10
172 #define LDOA_1_35V	11
173 #define LDOA_1_40V	12
174 #define LDOA_1_45V	13
175 #define LDOA_1_50V	14
176 #define LDOA_1_55V	15
177 
178 /* VGEN3/4/5/6 Voltage Configuration */
179 #define LDOB_1_80V	0
180 #define LDOB_1_90V	1
181 #define LDOB_2_00V	2
182 #define LDOB_2_10V	3
183 #define LDOB_2_20V	4
184 #define LDOB_2_30V	5
185 #define LDOB_2_40V	6
186 #define LDOB_2_50V	7
187 #define LDOB_2_60V	8
188 #define LDOB_2_70V	9
189 #define LDOB_2_80V	10
190 #define LDOB_2_90V	11
191 #define LDOB_3_00V	12
192 #define LDOB_3_10V	13
193 #define LDOB_3_20V	14
194 #define LDOB_3_30V	15
195 
196 #define LDO_VOL_MASK	0xf
197 #define LDO_EN		(1 << 4)
198 #define LDO_MODE_SHIFT	4
199 #define LDO_MODE_MASK	(1 << 4)
200 #define LDO_MODE_OFF	0
201 #define LDO_MODE_ON	1
202 
203 #define VREFDDRCON_EN	(1 << 4)
204 /*
205  * Boost Regulator
206  */
207 
208 /* SWBST Output Voltage */
209 #define SWBST_5_00V	0
210 #define SWBST_5_05V	1
211 #define SWBST_5_10V	2
212 #define SWBST_5_15V	3
213 
214 #define SWBST_VOL_MASK	0x3
215 #define SWBST_MODE_MASK	0xC
216 #define SWBST_MODE_SHIFT 0x2
217 #define SWBST_MODE_OFF	0
218 #define SWBST_MODE_PFM	1
219 #define SWBST_MODE_AUTO	2
220 #define SWBST_MODE_APS	3
221 
222 /*
223  * Regulator Mode Control
224  *
225  * OFF: The regulator is switched off and the output voltage is discharged.
226  * PFM: In this mode, the regulator is always in PFM mode, which is useful
227  *      at light loads for optimized efficiency.
228  * PWM: In this mode, the regulator is always in PWM mode operation
229  *	regardless of load conditions.
230  * APS: In this mode, the regulator moves automatically between pulse
231  *	skipping mode and PWM mode depending on load conditions.
232  *
233  * SWxMODE[3:0]
234  * Normal Mode  |  Standby Mode	|      value
235  *   OFF		OFF		0x0
236  *   PWM		OFF		0x1
237  *   PFM		OFF		0x3
238  *   APS		OFF		0x4
239  *   PWM		PWM		0x5
240  *   PWM		APS		0x6
241  *   APS		APS		0x8
242  *   APS		PFM		0xc
243  *   PWM		PFM		0xd
244  */
245 #define OFF_OFF		0x0
246 #define PWM_OFF		0x1
247 #define PFM_OFF		0x3
248 #define APS_OFF		0x4
249 #define PWM_PWM		0x5
250 #define PWM_APS		0x6
251 #define APS_APS		0x8
252 #define APS_PFM		0xc
253 #define PWM_PFM		0xd
254 
255 #define SWITCH_SIZE	0x7
256 
257 int power_pfuze100_init(unsigned char bus);
258 #endif
259