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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* Copyright (C) 2018 ROHM Semiconductors */
3
4#ifndef __LINUX_MFD_BD71837_H__
5#define __LINUX_MFD_BD71837_H__
6
7#include <linux/regmap.h>
8
9enum {
10 BD71837_BUCK1 = 0,
11 BD71837_BUCK2,
12 BD71837_BUCK3,
13 BD71837_BUCK4,
14 BD71837_BUCK5,
15 BD71837_BUCK6,
16 BD71837_BUCK7,
17 BD71837_BUCK8,
18 BD71837_LDO1,
19 BD71837_LDO2,
20 BD71837_LDO3,
21 BD71837_LDO4,
22 BD71837_LDO5,
23 BD71837_LDO6,
24 BD71837_LDO7,
25 BD71837_REGULATOR_CNT,
26};
27
28#define BD71837_BUCK1_VOLTAGE_NUM 0x40
29#define BD71837_BUCK2_VOLTAGE_NUM 0x40
30#define BD71837_BUCK3_VOLTAGE_NUM 0x40
31#define BD71837_BUCK4_VOLTAGE_NUM 0x40
32
33#define BD71837_BUCK5_VOLTAGE_NUM 0x08
34#define BD71837_BUCK6_VOLTAGE_NUM 0x04
35#define BD71837_BUCK7_VOLTAGE_NUM 0x08
36#define BD71837_BUCK8_VOLTAGE_NUM 0x40
37
38#define BD71837_LDO1_VOLTAGE_NUM 0x04
39#define BD71837_LDO2_VOLTAGE_NUM 0x02
40#define BD71837_LDO3_VOLTAGE_NUM 0x10
41#define BD71837_LDO4_VOLTAGE_NUM 0x10
42#define BD71837_LDO5_VOLTAGE_NUM 0x10
43#define BD71837_LDO6_VOLTAGE_NUM 0x10
44#define BD71837_LDO7_VOLTAGE_NUM 0x10
45
46enum {
47 BD71837_REG_REV = 0x00,
48 BD71837_REG_SWRESET = 0x01,
49 BD71837_REG_I2C_DEV = 0x02,
50 BD71837_REG_PWRCTRL0 = 0x03,
51 BD71837_REG_PWRCTRL1 = 0x04,
52 BD71837_REG_BUCK1_CTRL = 0x05,
53 BD71837_REG_BUCK2_CTRL = 0x06,
54 BD71837_REG_BUCK3_CTRL = 0x07,
55 BD71837_REG_BUCK4_CTRL = 0x08,
56 BD71837_REG_BUCK5_CTRL = 0x09,
57 BD71837_REG_BUCK6_CTRL = 0x0A,
58 BD71837_REG_BUCK7_CTRL = 0x0B,
59 BD71837_REG_BUCK8_CTRL = 0x0C,
60 BD71837_REG_BUCK1_VOLT_RUN = 0x0D,
61 BD71837_REG_BUCK1_VOLT_IDLE = 0x0E,
62 BD71837_REG_BUCK1_VOLT_SUSP = 0x0F,
63 BD71837_REG_BUCK2_VOLT_RUN = 0x10,
64 BD71837_REG_BUCK2_VOLT_IDLE = 0x11,
65 BD71837_REG_BUCK3_VOLT_RUN = 0x12,
66 BD71837_REG_BUCK4_VOLT_RUN = 0x13,
67 BD71837_REG_BUCK5_VOLT = 0x14,
68 BD71837_REG_BUCK6_VOLT = 0x15,
69 BD71837_REG_BUCK7_VOLT = 0x16,
70 BD71837_REG_BUCK8_VOLT = 0x17,
71 BD71837_REG_LDO1_VOLT = 0x18,
72 BD71837_REG_LDO2_VOLT = 0x19,
73 BD71837_REG_LDO3_VOLT = 0x1A,
74 BD71837_REG_LDO4_VOLT = 0x1B,
75 BD71837_REG_LDO5_VOLT = 0x1C,
76 BD71837_REG_LDO6_VOLT = 0x1D,
77 BD71837_REG_LDO7_VOLT = 0x1E,
78 BD71837_REG_TRANS_COND0 = 0x1F,
79 BD71837_REG_TRANS_COND1 = 0x20,
80 BD71837_REG_VRFAULTEN = 0x21,
81 BD71837_REG_MVRFLTMASK0 = 0x22,
82 BD71837_REG_MVRFLTMASK1 = 0x23,
83 BD71837_REG_MVRFLTMASK2 = 0x24,
84 BD71837_REG_RCVCFG = 0x25,
85 BD71837_REG_RCVNUM = 0x26,
86 BD71837_REG_PWRONCONFIG0 = 0x27,
87 BD71837_REG_PWRONCONFIG1 = 0x28,
88 BD71837_REG_RESETSRC = 0x29,
89 BD71837_REG_MIRQ = 0x2A,
90 BD71837_REG_IRQ = 0x2B,
91 BD71837_REG_IN_MON = 0x2C,
92 BD71837_REG_POW_STATE = 0x2D,
93 BD71837_REG_OUT32K = 0x2E,
94 BD71837_REG_REGLOCK = 0x2F,
95 BD71837_REG_OTPVER = 0xFF,
96 BD71837_MAX_REGISTER = 0x100,
97};
98
99#define REGLOCK_PWRSEQ 0x1
100#define REGLOCK_VREG 0x10
101
102/* Generic BUCK control masks */
103#define BD71837_BUCK_SEL 0x02
104#define BD71837_BUCK_EN 0x01
105#define BD71837_BUCK_RUN_ON 0x04
106
107/* Generic LDO masks */
108#define BD71837_LDO_SEL 0x80
109#define BD71837_LDO_EN 0x40
110
111/* BD71837 BUCK ramp rate CTRL reg bits */
112#define BUCK_RAMPRATE_MASK 0xC0
113#define BUCK_RAMPRATE_10P00MV 0x0
114#define BUCK_RAMPRATE_5P00MV 0x1
115#define BUCK_RAMPRATE_2P50MV 0x2
116#define BUCK_RAMPRATE_1P25MV 0x3
117
118/* BD71837_REG_BUCK1_VOLT_RUN bits */
119#define BUCK1_RUN_MASK 0x3F
120#define BUCK1_RUN_DEFAULT 0x14
121
122/* BD71837_REG_BUCK1_VOLT_SUSP bits */
123#define BUCK1_SUSP_MASK 0x3F
124#define BUCK1_SUSP_DEFAULT 0x14
125
126/* BD71837_REG_BUCK1_VOLT_IDLE bits */
127#define BUCK1_IDLE_MASK 0x3F
128#define BUCK1_IDLE_DEFAULT 0x14
129
130/* BD71837_REG_BUCK2_VOLT_RUN bits */
131#define BUCK2_RUN_MASK 0x3F
132#define BUCK2_RUN_DEFAULT 0x1E
133
134/* BD71837_REG_BUCK2_VOLT_IDLE bits */
135#define BUCK2_IDLE_MASK 0x3F
136#define BUCK2_IDLE_DEFAULT 0x14
137
138/* BD71837_REG_BUCK3_VOLT_RUN bits */
139#define BUCK3_RUN_MASK 0x3F
140#define BUCK3_RUN_DEFAULT 0x1E
141
142/* BD71837_REG_BUCK4_VOLT_RUN bits */
143#define BUCK4_RUN_MASK 0x3F
144#define BUCK4_RUN_DEFAULT 0x1E
145
146/* BD71837_REG_BUCK5_VOLT bits */
147#define BUCK5_MASK 0x07
148#define BUCK5_DEFAULT 0x02
149
150/* BD71837_REG_BUCK6_VOLT bits */
151#define BUCK6_MASK 0x03
152#define BUCK6_DEFAULT 0x03
153
154/* BD71837_REG_BUCK7_VOLT bits */
155#define BUCK7_MASK 0x07
156#define BUCK7_DEFAULT 0x03
157
158/* BD71837_REG_BUCK8_VOLT bits */
159#define BUCK8_MASK 0x3F
160#define BUCK8_DEFAULT 0x1E
161
162/* BD71837_REG_IRQ bits */
163#define IRQ_SWRST 0x40
164#define IRQ_PWRON_S 0x20
165#define IRQ_PWRON_L 0x10
166#define IRQ_PWRON 0x08
167#define IRQ_WDOG 0x04
168#define IRQ_ON_REQ 0x02
169#define IRQ_STBY_REQ 0x01
170
171/* BD71837_REG_OUT32K bits */
172#define BD71837_OUT32K_EN 0x01
173
174/* BD71837 gated clock rate */
175#define BD71837_CLK_RATE 32768
176
177/* ROHM BD71837 irqs */
178enum {
179 BD71837_INT_STBY_REQ,
180 BD71837_INT_ON_REQ,
181 BD71837_INT_WDOG,
182 BD71837_INT_PWRBTN,
183 BD71837_INT_PWRBTN_L,
184 BD71837_INT_PWRBTN_S,
185 BD71837_INT_SWRST
186};
187
188/* ROHM BD71837 interrupt masks */
189#define BD71837_INT_SWRST_MASK 0x40
190#define BD71837_INT_PWRBTN_S_MASK 0x20
191#define BD71837_INT_PWRBTN_L_MASK 0x10
192#define BD71837_INT_PWRBTN_MASK 0x8
193#define BD71837_INT_WDOG_MASK 0x4
194#define BD71837_INT_ON_REQ_MASK 0x2
195#define BD71837_INT_STBY_REQ_MASK 0x1
196
197/* BD71837_REG_LDO1_VOLT bits */
198#define LDO1_MASK 0x03
199
200/* BD71837_REG_LDO1_VOLT bits */
201#define LDO2_MASK 0x20
202
203/* BD71837_REG_LDO3_VOLT bits */
204#define LDO3_MASK 0x0F
205
206/* BD71837_REG_LDO4_VOLT bits */
207#define LDO4_MASK 0x0F
208
209/* BD71837_REG_LDO5_VOLT bits */
210#define LDO5_MASK 0x0F
211
212/* BD71837_REG_LDO6_VOLT bits */
213#define LDO6_MASK 0x0F
214
215/* BD71837_REG_LDO7_VOLT bits */
216#define LDO7_MASK 0x0F
217
218/* Register write induced reset settings */
219
220/*
221 * Even though the bit zero is not SWRESET type we still want to write zero
222 * to it when changing type. Bit zero is 'SWRESET' trigger bit and if we
223 * write 1 to it we will trigger the action. So always write 0 to it when
224 * changning SWRESET action - no matter what we read from it.
225 */
226#define BD71837_SWRESET_TYPE_MASK 7
227#define BD71837_SWRESET_TYPE_DISABLED 0
228#define BD71837_SWRESET_TYPE_COLD 4
229#define BD71837_SWRESET_TYPE_WARM 6
230
231#define BD71837_SWRESET_RESET_MASK 1
232#define BD71837_SWRESET_RESET 1
233
234/* Poweroff state transition conditions */
235
236#define BD718XX_ON_REQ_POWEROFF_MASK 1
237#define BD718XX_SWRESET_POWEROFF_MASK 2
238#define BD718XX_WDOG_POWEROFF_MASK 4
239#define BD718XX_KEY_L_POWEROFF_MASK 8
240
241#define BD718XX_POWOFF_TO_SNVS 0
242#define BD718XX_POWOFF_TO_RDY 0xF
243
244#define BD718XX_POWOFF_TIME_MASK 0xF0
245enum {
246 BD718XX_POWOFF_TIME_5MS = 0,
247 BD718XX_POWOFF_TIME_10MS,
248 BD718XX_POWOFF_TIME_15MS,
249 BD718XX_POWOFF_TIME_20MS,
250 BD718XX_POWOFF_TIME_25MS,
251 BD718XX_POWOFF_TIME_30MS,
252 BD718XX_POWOFF_TIME_35MS,
253 BD718XX_POWOFF_TIME_40MS,
254 BD718XX_POWOFF_TIME_45MS,
255 BD718XX_POWOFF_TIME_50MS,
256 BD718XX_POWOFF_TIME_75MS,
257 BD718XX_POWOFF_TIME_100MS,
258 BD718XX_POWOFF_TIME_250MS,
259 BD718XX_POWOFF_TIME_500MS,
260 BD718XX_POWOFF_TIME_750MS,
261 BD718XX_POWOFF_TIME_1500MS
262};
263
264/* Poweron sequence state transition conditions */
265#define BD718XX_RDY_TO_SNVS_MASK 0xF
266#define BD718XX_SNVS_TO_RUN_MASK 0xF0
267
268#define BD718XX_PWR_TRIG_KEY_L 1
269#define BD718XX_PWR_TRIG_KEY_S 2
270#define BD718XX_PWR_TRIG_PMIC_ON 4
271#define BD718XX_PWR_TRIG_VSYS_UVLO 8
272#define BD718XX_RDY_TO_SNVS_SIFT 0
273#define BD718XX_SNVS_TO_RUN_SIFT 4
274
275#define BD718XX_PWRBTN_PRESS_DURATION_MASK 0xF
276
277/* Timeout value for detecting short press */
278enum {
279 BD718XX_PWRBTN_SHORT_PRESS_10MS = 0,
280 BD718XX_PWRBTN_SHORT_PRESS_500MS,
281 BD718XX_PWRBTN_SHORT_PRESS_1000MS,
282 BD718XX_PWRBTN_SHORT_PRESS_1500MS,
283 BD718XX_PWRBTN_SHORT_PRESS_2000MS,
284 BD718XX_PWRBTN_SHORT_PRESS_2500MS,
285 BD718XX_PWRBTN_SHORT_PRESS_3000MS,
286 BD718XX_PWRBTN_SHORT_PRESS_3500MS,
287 BD718XX_PWRBTN_SHORT_PRESS_4000MS,
288 BD718XX_PWRBTN_SHORT_PRESS_4500MS,
289 BD718XX_PWRBTN_SHORT_PRESS_5000MS,
290 BD718XX_PWRBTN_SHORT_PRESS_5500MS,
291 BD718XX_PWRBTN_SHORT_PRESS_6000MS,
292 BD718XX_PWRBTN_SHORT_PRESS_6500MS,
293 BD718XX_PWRBTN_SHORT_PRESS_7000MS,
294 BD718XX_PWRBTN_SHORT_PRESS_7500MS
295};
296
297/* Timeout value for detecting LONG press */
298enum {
299 BD718XX_PWRBTN_LONG_PRESS_10MS = 0,
300 BD718XX_PWRBTN_LONG_PRESS_1S,
301 BD718XX_PWRBTN_LONG_PRESS_2S,
302 BD718XX_PWRBTN_LONG_PRESS_3S,
303 BD718XX_PWRBTN_LONG_PRESS_4S,
304 BD718XX_PWRBTN_LONG_PRESS_5S,
305 BD718XX_PWRBTN_LONG_PRESS_6S,
306 BD718XX_PWRBTN_LONG_PRESS_7S,
307 BD718XX_PWRBTN_LONG_PRESS_8S,
308 BD718XX_PWRBTN_LONG_PRESS_9S,
309 BD718XX_PWRBTN_LONG_PRESS_10S,
310 BD718XX_PWRBTN_LONG_PRESS_11S,
311 BD718XX_PWRBTN_LONG_PRESS_12S,
312 BD718XX_PWRBTN_LONG_PRESS_13S,
313 BD718XX_PWRBTN_LONG_PRESS_14S,
314 BD718XX_PWRBTN_LONG_PRESS_15S
315};
316
317struct bd71837_pmic;
318struct bd71837_clk;
319
320struct bd71837 {
321 struct device *dev;
322 struct regmap *regmap;
323 unsigned long int id;
324
325 int chip_irq;
326 struct regmap_irq_chip_data *irq_data;
327
328 struct bd71837_pmic *pmic;
329 struct bd71837_clk *clk;
330};
331
332#endif /* __LINUX_MFD_BD71837_H__ */