Linux-libre 5.4.39-gnu
[librecmc/linux-libre.git] / include / linux / mfd / rohm-bd718x7.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Copyright (C) 2018 ROHM Semiconductors */
3
4 #ifndef __LINUX_MFD_BD718XX_H__
5 #define __LINUX_MFD_BD718XX_H__
6
7 #include <linux/mfd/rohm-generic.h>
8 #include <linux/regmap.h>
9
10 enum {
11         BD718XX_BUCK1 = 0,
12         BD718XX_BUCK2,
13         BD718XX_BUCK3,
14         BD718XX_BUCK4,
15         BD718XX_BUCK5,
16         BD718XX_BUCK6,
17         BD718XX_BUCK7,
18         BD718XX_BUCK8,
19         BD718XX_LDO1,
20         BD718XX_LDO2,
21         BD718XX_LDO3,
22         BD718XX_LDO4,
23         BD718XX_LDO5,
24         BD718XX_LDO6,
25         BD718XX_LDO7,
26         BD718XX_REGULATOR_AMOUNT,
27 };
28
29 /* Common voltage configurations */
30 #define BD718XX_DVS_BUCK_VOLTAGE_NUM            0x3D
31 #define BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM      0x3D
32
33 #define BD718XX_LDO1_VOLTAGE_NUM        0x08
34 #define BD718XX_LDO2_VOLTAGE_NUM        0x02
35 #define BD718XX_LDO3_VOLTAGE_NUM        0x10
36 #define BD718XX_LDO4_VOLTAGE_NUM        0x0A
37 #define BD718XX_LDO6_VOLTAGE_NUM        0x0A
38
39 /* BD71837 specific voltage configurations */
40 #define BD71837_BUCK5_VOLTAGE_NUM       0x10
41 #define BD71837_BUCK6_VOLTAGE_NUM       0x04
42 #define BD71837_BUCK7_VOLTAGE_NUM       0x08
43 #define BD71837_LDO5_VOLTAGE_NUM        0x10
44 #define BD71837_LDO7_VOLTAGE_NUM        0x10
45
46 /* BD71847 specific voltage configurations */
47 #define BD71847_BUCK3_VOLTAGE_NUM       0x18
48 #define BD71847_BUCK4_VOLTAGE_NUM       0x08
49 #define BD71847_LDO5_VOLTAGE_NUM        0x20
50
51 /* Registers specific to BD71837 */
52 enum {
53         BD71837_REG_BUCK3_CTRL =        0x07,
54         BD71837_REG_BUCK4_CTRL =        0x08,
55         BD71837_REG_BUCK3_VOLT_RUN =    0x12,
56         BD71837_REG_BUCK4_VOLT_RUN =    0x13,
57         BD71837_REG_LDO7_VOLT =         0x1E,
58 };
59
60 /* Registers common for BD71837 and BD71847 */
61 enum {
62         BD718XX_REG_REV =                       0x00,
63         BD718XX_REG_SWRESET =                   0x01,
64         BD718XX_REG_I2C_DEV =                   0x02,
65         BD718XX_REG_PWRCTRL0 =                  0x03,
66         BD718XX_REG_PWRCTRL1 =                  0x04,
67         BD718XX_REG_BUCK1_CTRL =                0x05,
68         BD718XX_REG_BUCK2_CTRL =                0x06,
69         BD718XX_REG_1ST_NODVS_BUCK_CTRL =       0x09,
70         BD718XX_REG_2ND_NODVS_BUCK_CTRL =       0x0A,
71         BD718XX_REG_3RD_NODVS_BUCK_CTRL =       0x0B,
72         BD718XX_REG_4TH_NODVS_BUCK_CTRL =       0x0C,
73         BD718XX_REG_BUCK1_VOLT_RUN =            0x0D,
74         BD718XX_REG_BUCK1_VOLT_IDLE =           0x0E,
75         BD718XX_REG_BUCK1_VOLT_SUSP =           0x0F,
76         BD718XX_REG_BUCK2_VOLT_RUN =            0x10,
77         BD718XX_REG_BUCK2_VOLT_IDLE =           0x11,
78         BD718XX_REG_1ST_NODVS_BUCK_VOLT =       0x14,
79         BD718XX_REG_2ND_NODVS_BUCK_VOLT =       0x15,
80         BD718XX_REG_3RD_NODVS_BUCK_VOLT =       0x16,
81         BD718XX_REG_4TH_NODVS_BUCK_VOLT =       0x17,
82         BD718XX_REG_LDO1_VOLT =                 0x18,
83         BD718XX_REG_LDO2_VOLT =                 0x19,
84         BD718XX_REG_LDO3_VOLT =                 0x1A,
85         BD718XX_REG_LDO4_VOLT =                 0x1B,
86         BD718XX_REG_LDO5_VOLT =                 0x1C,
87         BD718XX_REG_LDO6_VOLT =                 0x1D,
88         BD718XX_REG_TRANS_COND0 =               0x1F,
89         BD718XX_REG_TRANS_COND1 =               0x20,
90         BD718XX_REG_VRFAULTEN =                 0x21,
91         BD718XX_REG_MVRFLTMASK0 =               0x22,
92         BD718XX_REG_MVRFLTMASK1 =               0x23,
93         BD718XX_REG_MVRFLTMASK2 =               0x24,
94         BD718XX_REG_RCVCFG =                    0x25,
95         BD718XX_REG_RCVNUM =                    0x26,
96         BD718XX_REG_PWRONCONFIG0 =              0x27,
97         BD718XX_REG_PWRONCONFIG1 =              0x28,
98         BD718XX_REG_RESETSRC =                  0x29,
99         BD718XX_REG_MIRQ =                      0x2A,
100         BD718XX_REG_IRQ =                       0x2B,
101         BD718XX_REG_IN_MON =                    0x2C,
102         BD718XX_REG_POW_STATE =                 0x2D,
103         BD718XX_REG_OUT32K =                    0x2E,
104         BD718XX_REG_REGLOCK =                   0x2F,
105         BD718XX_REG_OTPVER =                    0xFF,
106         BD718XX_MAX_REGISTER =                  0x100,
107 };
108
109 #define REGLOCK_PWRSEQ  0x1
110 #define REGLOCK_VREG    0x10
111
112 /* Generic BUCK control masks */
113 #define BD718XX_BUCK_SEL        0x02
114 #define BD718XX_BUCK_EN         0x01
115 #define BD718XX_BUCK_RUN_ON     0x04
116
117 /* Generic LDO masks */
118 #define BD718XX_LDO_SEL         0x80
119 #define BD718XX_LDO_EN          0x40
120
121 /* BD71837 BUCK ramp rate CTRL reg bits */
122 #define BUCK_RAMPRATE_MASK      0xC0
123 #define BUCK_RAMPRATE_10P00MV   0x0
124 #define BUCK_RAMPRATE_5P00MV    0x1
125 #define BUCK_RAMPRATE_2P50MV    0x2
126 #define BUCK_RAMPRATE_1P25MV    0x3
127
128 #define DVS_BUCK_RUN_MASK       0x3F
129 #define DVS_BUCK_SUSP_MASK      0x3F
130 #define DVS_BUCK_IDLE_MASK      0x3F
131
132 #define BD718XX_1ST_NODVS_BUCK_MASK     0x07
133 #define BD718XX_3RD_NODVS_BUCK_MASK     0x07
134 #define BD718XX_4TH_NODVS_BUCK_MASK     0x3F
135
136 #define BD71847_BUCK3_MASK              0x07
137 #define BD71847_BUCK3_RANGE_MASK        0xC0
138 #define BD71847_BUCK4_MASK              0x03
139 #define BD71847_BUCK4_RANGE_MASK        0x40
140
141 #define BD71837_BUCK5_MASK              0x07
142 #define BD71837_BUCK5_RANGE_MASK        0x80
143 #define BD71837_BUCK6_MASK              0x03
144
145 #define BD718XX_LDO1_MASK               0x03
146 #define BD718XX_LDO1_RANGE_MASK         0x20
147 #define BD718XX_LDO2_MASK               0x20
148 #define BD718XX_LDO3_MASK               0x0F
149 #define BD718XX_LDO4_MASK               0x0F
150 #define BD718XX_LDO6_MASK               0x0F
151
152 #define BD71837_LDO5_MASK               0x0F
153 #define BD71847_LDO5_MASK               0x0F
154 #define BD71847_LDO5_RANGE_MASK         0x20
155
156 #define BD71837_LDO7_MASK               0x0F
157
158 /* BD718XX Voltage monitoring masks */
159 #define BD718XX_BUCK1_VRMON80           0x1
160 #define BD718XX_BUCK1_VRMON130          0x2
161 #define BD718XX_BUCK2_VRMON80           0x4
162 #define BD718XX_BUCK2_VRMON130          0x8
163 #define BD718XX_1ST_NODVS_BUCK_VRMON80  0x1
164 #define BD718XX_1ST_NODVS_BUCK_VRMON130 0x2
165 #define BD718XX_2ND_NODVS_BUCK_VRMON80  0x4
166 #define BD718XX_2ND_NODVS_BUCK_VRMON130 0x8
167 #define BD718XX_3RD_NODVS_BUCK_VRMON80  0x10
168 #define BD718XX_3RD_NODVS_BUCK_VRMON130 0x20
169 #define BD718XX_4TH_NODVS_BUCK_VRMON80  0x40
170 #define BD718XX_4TH_NODVS_BUCK_VRMON130 0x80
171 #define BD718XX_LDO1_VRMON80            0x1
172 #define BD718XX_LDO2_VRMON80            0x2
173 #define BD718XX_LDO3_VRMON80            0x4
174 #define BD718XX_LDO4_VRMON80            0x8
175 #define BD718XX_LDO5_VRMON80            0x10
176 #define BD718XX_LDO6_VRMON80            0x20
177
178 /* BD71837 specific voltage monitoring masks */
179 #define BD71837_BUCK3_VRMON80           0x10
180 #define BD71837_BUCK3_VRMON130          0x20
181 #define BD71837_BUCK4_VRMON80           0x40
182 #define BD71837_BUCK4_VRMON130          0x80
183 #define BD71837_LDO7_VRMON80            0x40
184
185 /* BD718XX_REG_IRQ bits */
186 #define IRQ_SWRST               0x40
187 #define IRQ_PWRON_S             0x20
188 #define IRQ_PWRON_L             0x10
189 #define IRQ_PWRON               0x08
190 #define IRQ_WDOG                0x04
191 #define IRQ_ON_REQ              0x02
192 #define IRQ_STBY_REQ            0x01
193
194 /* BD718XX_REG_OUT32K bits */
195 #define BD718XX_OUT32K_EN       0x01
196
197 /* BD7183XX gated clock rate */
198 #define BD718XX_CLK_RATE 32768
199
200 /* ROHM BD718XX irqs */
201 enum {
202         BD718XX_INT_STBY_REQ,
203         BD718XX_INT_ON_REQ,
204         BD718XX_INT_WDOG,
205         BD718XX_INT_PWRBTN,
206         BD718XX_INT_PWRBTN_L,
207         BD718XX_INT_PWRBTN_S,
208         BD718XX_INT_SWRST
209 };
210
211 /* ROHM BD718XX interrupt masks */
212 #define BD718XX_INT_SWRST_MASK          0x40
213 #define BD718XX_INT_PWRBTN_S_MASK       0x20
214 #define BD718XX_INT_PWRBTN_L_MASK       0x10
215 #define BD718XX_INT_PWRBTN_MASK         0x8
216 #define BD718XX_INT_WDOG_MASK           0x4
217 #define BD718XX_INT_ON_REQ_MASK         0x2
218 #define BD718XX_INT_STBY_REQ_MASK       0x1
219
220 /* Register write induced reset settings */
221
222 /*
223  * Even though the bit zero is not SWRESET type we still want to write zero
224  * to it when changing type. Bit zero is 'SWRESET' trigger bit and if we
225  * write 1 to it we will trigger the action. So always write 0 to it when
226  * changning SWRESET action - no matter what we read from it.
227  */
228 #define BD718XX_SWRESET_TYPE_MASK       7
229 #define BD718XX_SWRESET_TYPE_DISABLED   0
230 #define BD718XX_SWRESET_TYPE_COLD       4
231 #define BD718XX_SWRESET_TYPE_WARM       6
232
233 #define BD718XX_SWRESET_RESET_MASK      1
234 #define BD718XX_SWRESET_RESET           1
235
236 /* Poweroff state transition conditions */
237
238 #define BD718XX_ON_REQ_POWEROFF_MASK    1
239 #define BD718XX_SWRESET_POWEROFF_MASK   2
240 #define BD718XX_WDOG_POWEROFF_MASK      4
241 #define BD718XX_KEY_L_POWEROFF_MASK     8
242
243 #define BD718XX_POWOFF_TO_SNVS  0
244 #define BD718XX_POWOFF_TO_RDY   0xF
245
246 #define BD718XX_POWOFF_TIME_MASK 0xF0
247 enum {
248         BD718XX_POWOFF_TIME_5MS = 0,
249         BD718XX_POWOFF_TIME_10MS,
250         BD718XX_POWOFF_TIME_15MS,
251         BD718XX_POWOFF_TIME_20MS,
252         BD718XX_POWOFF_TIME_25MS,
253         BD718XX_POWOFF_TIME_30MS,
254         BD718XX_POWOFF_TIME_35MS,
255         BD718XX_POWOFF_TIME_40MS,
256         BD718XX_POWOFF_TIME_45MS,
257         BD718XX_POWOFF_TIME_50MS,
258         BD718XX_POWOFF_TIME_75MS,
259         BD718XX_POWOFF_TIME_100MS,
260         BD718XX_POWOFF_TIME_250MS,
261         BD718XX_POWOFF_TIME_500MS,
262         BD718XX_POWOFF_TIME_750MS,
263         BD718XX_POWOFF_TIME_1500MS
264 };
265
266 /* Poweron sequence state transition conditions */
267 #define BD718XX_RDY_TO_SNVS_MASK 0xF
268 #define BD718XX_SNVS_TO_RUN_MASK 0xF0
269
270 #define BD718XX_PWR_TRIG_KEY_L          1
271 #define BD718XX_PWR_TRIG_KEY_S          2
272 #define BD718XX_PWR_TRIG_PMIC_ON        4
273 #define BD718XX_PWR_TRIG_VSYS_UVLO      8
274 #define BD718XX_RDY_TO_SNVS_SIFT        0
275 #define BD718XX_SNVS_TO_RUN_SIFT        4
276
277 #define BD718XX_PWRBTN_PRESS_DURATION_MASK 0xF
278
279 /* Timeout value for detecting short press */
280 enum {
281         BD718XX_PWRBTN_SHORT_PRESS_10MS = 0,
282         BD718XX_PWRBTN_SHORT_PRESS_500MS,
283         BD718XX_PWRBTN_SHORT_PRESS_1000MS,
284         BD718XX_PWRBTN_SHORT_PRESS_1500MS,
285         BD718XX_PWRBTN_SHORT_PRESS_2000MS,
286         BD718XX_PWRBTN_SHORT_PRESS_2500MS,
287         BD718XX_PWRBTN_SHORT_PRESS_3000MS,
288         BD718XX_PWRBTN_SHORT_PRESS_3500MS,
289         BD718XX_PWRBTN_SHORT_PRESS_4000MS,
290         BD718XX_PWRBTN_SHORT_PRESS_4500MS,
291         BD718XX_PWRBTN_SHORT_PRESS_5000MS,
292         BD718XX_PWRBTN_SHORT_PRESS_5500MS,
293         BD718XX_PWRBTN_SHORT_PRESS_6000MS,
294         BD718XX_PWRBTN_SHORT_PRESS_6500MS,
295         BD718XX_PWRBTN_SHORT_PRESS_7000MS,
296         BD718XX_PWRBTN_SHORT_PRESS_7500MS
297 };
298
299 /* Timeout value for detecting LONG press */
300 enum {
301         BD718XX_PWRBTN_LONG_PRESS_10MS = 0,
302         BD718XX_PWRBTN_LONG_PRESS_1S,
303         BD718XX_PWRBTN_LONG_PRESS_2S,
304         BD718XX_PWRBTN_LONG_PRESS_3S,
305         BD718XX_PWRBTN_LONG_PRESS_4S,
306         BD718XX_PWRBTN_LONG_PRESS_5S,
307         BD718XX_PWRBTN_LONG_PRESS_6S,
308         BD718XX_PWRBTN_LONG_PRESS_7S,
309         BD718XX_PWRBTN_LONG_PRESS_8S,
310         BD718XX_PWRBTN_LONG_PRESS_9S,
311         BD718XX_PWRBTN_LONG_PRESS_10S,
312         BD718XX_PWRBTN_LONG_PRESS_11S,
313         BD718XX_PWRBTN_LONG_PRESS_12S,
314         BD718XX_PWRBTN_LONG_PRESS_13S,
315         BD718XX_PWRBTN_LONG_PRESS_14S,
316         BD718XX_PWRBTN_LONG_PRESS_15S
317 };
318
319 struct bd718xx {
320         /*
321          * Please keep this as the first member here as some
322          * drivers (clk) supporting more than one chip may only know this
323          * generic struct 'struct rohm_regmap_dev' and assume it is
324          * the first chunk of parent device's private data.
325          */
326         struct rohm_regmap_dev chip;
327
328         int chip_irq;
329         struct regmap_irq_chip_data *irq_data;
330 };
331
332 #endif /* __LINUX_MFD_BD718XX_H__ */