2 * Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org>
3 * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
21 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * X-Powers AXP803/813/818 PMU for Allwinner SoCs
31 #include <sys/cdefs.h>
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/eventhandler.h>
37 #include <sys/kernel.h>
38 #include <sys/reboot.h>
40 #include <sys/module.h>
41 #include <machine/bus.h>
43 #include <dev/iicbus/iicbus.h>
44 #include <dev/iicbus/iiconf.h>
46 #include <dev/gpio/gpiobusvar.h>
48 #include <dev/ofw/ofw_bus.h>
49 #include <dev/ofw/ofw_bus_subr.h>
51 #include <dev/extres/regulator/regulator.h>
54 #include "iicbus_if.h"
55 #include "regdev_if.h"
57 MALLOC_DEFINE(M_AXP8XX_REG, "AXP8xx regulator", "AXP8xx power regulator");
59 #define AXP_POWERSRC 0x00
60 #define AXP_POWERSRC_ACIN (1 << 7)
61 #define AXP_POWERSRC_VBUS (1 << 5)
62 #define AXP_POWERSRC_VBAT (1 << 3)
63 #define AXP_POWERSRC_CHARING (1 << 2) /* Charging Direction */
64 #define AXP_POWERSRC_SHORTED (1 << 1)
65 #define AXP_POWERSRC_STARTUP (1 << 0)
66 #define AXP_POWERMODE 0x01
67 #define AXP_POWERMODE_BAT_CHARGING (1 << 6)
68 #define AXP_POWERMODE_BAT_PRESENT (1 << 5)
69 #define AXP_POWERMODE_BAT_VALID (1 << 4)
70 #define AXP_ICTYPE 0x03
71 #define AXP_POWERCTL1 0x10
72 #define AXP_POWERCTL1_DCDC7 (1 << 6) /* AXP813/818 only */
73 #define AXP_POWERCTL1_DCDC6 (1 << 5)
74 #define AXP_POWERCTL1_DCDC5 (1 << 4)
75 #define AXP_POWERCTL1_DCDC4 (1 << 3)
76 #define AXP_POWERCTL1_DCDC3 (1 << 2)
77 #define AXP_POWERCTL1_DCDC2 (1 << 1)
78 #define AXP_POWERCTL1_DCDC1 (1 << 0)
79 #define AXP_POWERCTL2 0x12
80 #define AXP_POWERCTL2_DC1SW (1 << 7) /* AXP803 only */
81 #define AXP_POWERCTL2_DLDO4 (1 << 6)
82 #define AXP_POWERCTL2_DLDO3 (1 << 5)
83 #define AXP_POWERCTL2_DLDO2 (1 << 4)
84 #define AXP_POWERCTL2_DLDO1 (1 << 3)
85 #define AXP_POWERCTL2_ELDO3 (1 << 2)
86 #define AXP_POWERCTL2_ELDO2 (1 << 1)
87 #define AXP_POWERCTL2_ELDO1 (1 << 0)
88 #define AXP_POWERCTL3 0x13
89 #define AXP_POWERCTL3_ALDO3 (1 << 7)
90 #define AXP_POWERCTL3_ALDO2 (1 << 6)
91 #define AXP_POWERCTL3_ALDO1 (1 << 5)
92 #define AXP_POWERCTL3_FLDO3 (1 << 4) /* AXP813/818 only */
93 #define AXP_POWERCTL3_FLDO2 (1 << 3)
94 #define AXP_POWERCTL3_FLDO1 (1 << 2)
95 #define AXP_VOLTCTL_DLDO1 0x15
96 #define AXP_VOLTCTL_DLDO2 0x16
97 #define AXP_VOLTCTL_DLDO3 0x17
98 #define AXP_VOLTCTL_DLDO4 0x18
99 #define AXP_VOLTCTL_ELDO1 0x19
100 #define AXP_VOLTCTL_ELDO2 0x1A
101 #define AXP_VOLTCTL_ELDO3 0x1B
102 #define AXP_VOLTCTL_FLDO1 0x1C
103 #define AXP_VOLTCTL_FLDO2 0x1D
104 #define AXP_VOLTCTL_DCDC1 0x20
105 #define AXP_VOLTCTL_DCDC2 0x21
106 #define AXP_VOLTCTL_DCDC3 0x22
107 #define AXP_VOLTCTL_DCDC4 0x23
108 #define AXP_VOLTCTL_DCDC5 0x24
109 #define AXP_VOLTCTL_DCDC6 0x25
110 #define AXP_VOLTCTL_DCDC7 0x26
111 #define AXP_VOLTCTL_ALDO1 0x28
112 #define AXP_VOLTCTL_ALDO2 0x29
113 #define AXP_VOLTCTL_ALDO3 0x2A
114 #define AXP_VOLTCTL_STATUS (1 << 7)
115 #define AXP_VOLTCTL_MASK 0x7f
116 #define AXP_POWERBAT 0x32
117 #define AXP_POWERBAT_SHUTDOWN (1 << 7)
118 #define AXP_CHARGERCTL1 0x33
119 #define AXP_CHARGERCTL1_MIN 0
120 #define AXP_CHARGERCTL1_MAX 13
121 #define AXP_CHARGERCTL1_CMASK 0xf
122 #define AXP_IRQEN1 0x40
123 #define AXP_IRQEN1_ACIN_HI (1 << 6)
124 #define AXP_IRQEN1_ACIN_LO (1 << 5)
125 #define AXP_IRQEN1_VBUS_HI (1 << 3)
126 #define AXP_IRQEN1_VBUS_LO (1 << 2)
127 #define AXP_IRQEN2 0x41
128 #define AXP_IRQEN2_BAT_IN (1 << 7)
129 #define AXP_IRQEN2_BAT_NO (1 << 6)
130 #define AXP_IRQEN2_BATCHGC (1 << 3)
131 #define AXP_IRQEN2_BATCHGD (1 << 2)
132 #define AXP_IRQEN3 0x42
133 #define AXP_IRQEN4 0x43
134 #define AXP_IRQEN4_BATLVL_LO1 (1 << 1)
135 #define AXP_IRQEN4_BATLVL_LO0 (1 << 0)
136 #define AXP_IRQEN5 0x44
137 #define AXP_IRQEN5_POKSIRQ (1 << 4)
138 #define AXP_IRQEN5_POKLIRQ (1 << 3)
139 #define AXP_IRQEN6 0x45
140 #define AXP_IRQSTAT1 0x48
141 #define AXP_IRQSTAT1_ACIN_HI (1 << 6)
142 #define AXP_IRQSTAT1_ACIN_LO (1 << 5)
143 #define AXP_IRQSTAT1_VBUS_HI (1 << 3)
144 #define AXP_IRQSTAT1_VBUS_LO (1 << 2)
145 #define AXP_IRQSTAT2 0x49
146 #define AXP_IRQSTAT2_BAT_IN (1 << 7)
147 #define AXP_IRQSTAT2_BAT_NO (1 << 6)
148 #define AXP_IRQSTAT2_BATCHGC (1 << 3)
149 #define AXP_IRQSTAT2_BATCHGD (1 << 2)
150 #define AXP_IRQSTAT3 0x4a
151 #define AXP_IRQSTAT4 0x4b
152 #define AXP_IRQSTAT4_BATLVL_LO1 (1 << 1)
153 #define AXP_IRQSTAT4_BATLVL_LO0 (1 << 0)
154 #define AXP_IRQSTAT5 0x4c
155 #define AXP_IRQSTAT5_POKSIRQ (1 << 4)
156 #define AXP_IRQEN5_POKLIRQ (1 << 3)
157 #define AXP_IRQSTAT6 0x4d
158 #define AXP_BATSENSE_HI 0x78
159 #define AXP_BATSENSE_LO 0x79
160 #define AXP_BATCHG_HI 0x7a
161 #define AXP_BATCHG_LO 0x7b
162 #define AXP_BATDISCHG_HI 0x7c
163 #define AXP_BATDISCHG_LO 0x7d
164 #define AXP_GPIO0_CTRL 0x90
165 #define AXP_GPIO0LDO_CTRL 0x91
166 #define AXP_GPIO1_CTRL 0x92
167 #define AXP_GPIO1LDO_CTRL 0x93
168 #define AXP_GPIO_FUNC (0x7 << 0)
169 #define AXP_GPIO_FUNC_SHIFT 0
170 #define AXP_GPIO_FUNC_DRVLO 0
171 #define AXP_GPIO_FUNC_DRVHI 1
172 #define AXP_GPIO_FUNC_INPUT 2
173 #define AXP_GPIO_FUNC_LDO_ON 3
174 #define AXP_GPIO_FUNC_LDO_OFF 4
175 #define AXP_GPIO_SIGBIT 0x94
176 #define AXP_GPIO_PD 0x97
177 #define AXP_FUEL_GAUGECTL 0xb8
178 #define AXP_FUEL_GAUGECTL_EN (1 << 7)
180 #define AXP_BAT_CAP 0xb9
181 #define AXP_BAT_CAP_VALID (1 << 7)
182 #define AXP_BAT_CAP_PERCENT 0x7f
184 #define AXP_BAT_MAX_CAP_HI 0xe0
185 #define AXP_BAT_MAX_CAP_VALID (1 << 7)
186 #define AXP_BAT_MAX_CAP_LO 0xe1
188 #define AXP_BAT_COULOMB_HI 0xe2
189 #define AXP_BAT_COULOMB_VALID (1 << 7)
190 #define AXP_BAT_COULOMB_LO 0xe3
192 #define AXP_BAT_CAP_WARN 0xe6
193 #define AXP_BAT_CAP_WARN_LV1 0xf0 /* Bits 4, 5, 6, 7 */
194 #define AXP_BAP_CAP_WARN_LV1BASE 5 /* 5-20%, 1% per step */
195 #define AXP_BAT_CAP_WARN_LV2 0xf /* Bits 0, 1, 2, 3 */
197 /* Sensor conversion macros */
198 #define AXP_SENSOR_BAT_H(hi) ((hi) << 4)
199 #define AXP_SENSOR_BAT_L(lo) ((lo) & 0xf)
200 #define AXP_SENSOR_COULOMB(hi, lo) (((hi & ~(1 << 7)) << 8) | (lo))
202 static const struct {
206 { "GPIO0", AXP_GPIO0_CTRL },
207 { "GPIO1", AXP_GPIO1_CTRL },
215 static struct ofw_compat_data compat_data[] = {
216 { "x-powers,axp803", AXP803 },
217 { "x-powers,axp813", AXP813 },
218 { "x-powers,axp818", AXP813 },
222 static struct resource_spec axp8xx_spec[] = {
223 { SYS_RES_IRQ, 0, RF_ACTIVE },
227 struct axp8xx_regdef {
233 uint8_t enable_value;
234 uint8_t disable_value;
245 AXP8XX_REG_ID_DCDC1 = 100,
266 AXP8XX_REG_ID_GPIO0_LDO,
267 AXP8XX_REG_ID_GPIO1_LDO,
270 static struct axp8xx_regdef axp803_regdefs[] = {
272 .id = AXP803_REG_ID_DC1SW,
274 .enable_reg = AXP_POWERCTL2,
275 .enable_mask = (uint8_t) AXP_POWERCTL2_DC1SW,
276 .enable_value = AXP_POWERCTL2_DC1SW,
280 static struct axp8xx_regdef axp813_regdefs[] = {
282 .id = AXP813_REG_ID_DCDC7,
284 .enable_reg = AXP_POWERCTL1,
285 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC7,
286 .enable_value = AXP_POWERCTL1_DCDC7,
287 .voltage_reg = AXP_VOLTCTL_DCDC7,
291 .voltage_nstep1 = 50,
293 .voltage_nstep2 = 21,
297 static struct axp8xx_regdef axp8xx_common_regdefs[] = {
299 .id = AXP8XX_REG_ID_DCDC1,
301 .enable_reg = AXP_POWERCTL1,
302 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC1,
303 .enable_value = AXP_POWERCTL1_DCDC1,
304 .voltage_reg = AXP_VOLTCTL_DCDC1,
307 .voltage_step1 = 100,
308 .voltage_nstep1 = 18,
311 .id = AXP8XX_REG_ID_DCDC2,
313 .enable_reg = AXP_POWERCTL1,
314 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC2,
315 .enable_value = AXP_POWERCTL1_DCDC2,
316 .voltage_reg = AXP_VOLTCTL_DCDC2,
320 .voltage_nstep1 = 70,
325 .id = AXP8XX_REG_ID_DCDC3,
327 .enable_reg = AXP_POWERCTL1,
328 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC3,
329 .enable_value = AXP_POWERCTL1_DCDC3,
330 .voltage_reg = AXP_VOLTCTL_DCDC3,
334 .voltage_nstep1 = 70,
339 .id = AXP8XX_REG_ID_DCDC4,
341 .enable_reg = AXP_POWERCTL1,
342 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC4,
343 .enable_value = AXP_POWERCTL1_DCDC4,
344 .voltage_reg = AXP_VOLTCTL_DCDC4,
348 .voltage_nstep1 = 70,
353 .id = AXP8XX_REG_ID_DCDC5,
355 .enable_reg = AXP_POWERCTL1,
356 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC5,
357 .enable_value = AXP_POWERCTL1_DCDC5,
358 .voltage_reg = AXP_VOLTCTL_DCDC5,
362 .voltage_nstep1 = 42,
364 .voltage_nstep2 = 36,
367 .id = AXP8XX_REG_ID_DCDC6,
369 .enable_reg = AXP_POWERCTL1,
370 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC6,
371 .enable_value = AXP_POWERCTL1_DCDC6,
372 .voltage_reg = AXP_VOLTCTL_DCDC6,
376 .voltage_nstep1 = 50,
378 .voltage_nstep2 = 21,
381 .id = AXP8XX_REG_ID_DLDO1,
383 .enable_reg = AXP_POWERCTL2,
384 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO1,
385 .enable_value = AXP_POWERCTL2_DLDO1,
386 .voltage_reg = AXP_VOLTCTL_DLDO1,
389 .voltage_step1 = 100,
390 .voltage_nstep1 = 26,
393 .id = AXP8XX_REG_ID_DLDO2,
395 .enable_reg = AXP_POWERCTL2,
396 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO2,
397 .enable_value = AXP_POWERCTL2_DLDO2,
398 .voltage_reg = AXP_VOLTCTL_DLDO2,
401 .voltage_step1 = 100,
402 .voltage_nstep1 = 27,
403 .voltage_step2 = 200,
407 .id = AXP8XX_REG_ID_DLDO3,
409 .enable_reg = AXP_POWERCTL2,
410 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO3,
411 .enable_value = AXP_POWERCTL2_DLDO3,
412 .voltage_reg = AXP_VOLTCTL_DLDO3,
415 .voltage_step1 = 100,
416 .voltage_nstep1 = 26,
419 .id = AXP8XX_REG_ID_DLDO4,
421 .enable_reg = AXP_POWERCTL2,
422 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO4,
423 .enable_value = AXP_POWERCTL2_DLDO4,
424 .voltage_reg = AXP_VOLTCTL_DLDO4,
427 .voltage_step1 = 100,
428 .voltage_nstep1 = 26,
431 .id = AXP8XX_REG_ID_ALDO1,
433 .enable_reg = AXP_POWERCTL3,
434 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO1,
435 .enable_value = AXP_POWERCTL3_ALDO1,
436 .voltage_reg = AXP_VOLTCTL_ALDO1,
439 .voltage_step1 = 100,
440 .voltage_nstep1 = 26,
443 .id = AXP8XX_REG_ID_ALDO2,
445 .enable_reg = AXP_POWERCTL3,
446 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO2,
447 .enable_value = AXP_POWERCTL3_ALDO2,
448 .voltage_reg = AXP_VOLTCTL_ALDO2,
451 .voltage_step1 = 100,
452 .voltage_nstep1 = 26,
455 .id = AXP8XX_REG_ID_ALDO3,
457 .enable_reg = AXP_POWERCTL3,
458 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO3,
459 .enable_value = AXP_POWERCTL3_ALDO3,
460 .voltage_reg = AXP_VOLTCTL_ALDO3,
463 .voltage_step1 = 100,
464 .voltage_nstep1 = 26,
467 .id = AXP8XX_REG_ID_ELDO1,
469 .enable_reg = AXP_POWERCTL2,
470 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO1,
471 .enable_value = AXP_POWERCTL2_ELDO1,
472 .voltage_reg = AXP_VOLTCTL_ELDO1,
476 .voltage_nstep1 = 24,
479 .id = AXP8XX_REG_ID_ELDO2,
481 .enable_reg = AXP_POWERCTL2,
482 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO2,
483 .enable_value = AXP_POWERCTL2_ELDO2,
484 .voltage_reg = AXP_VOLTCTL_ELDO2,
488 .voltage_nstep1 = 24,
491 .id = AXP8XX_REG_ID_ELDO3,
493 .enable_reg = AXP_POWERCTL2,
494 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO3,
495 .enable_value = AXP_POWERCTL2_ELDO3,
496 .voltage_reg = AXP_VOLTCTL_ELDO3,
500 .voltage_nstep1 = 24,
503 .id = AXP8XX_REG_ID_FLDO1,
505 .enable_reg = AXP_POWERCTL3,
506 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO1,
507 .enable_value = AXP_POWERCTL3_FLDO1,
508 .voltage_reg = AXP_VOLTCTL_FLDO1,
512 .voltage_nstep1 = 15,
515 .id = AXP8XX_REG_ID_FLDO2,
517 .enable_reg = AXP_POWERCTL3,
518 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO2,
519 .enable_value = AXP_POWERCTL3_FLDO2,
520 .voltage_reg = AXP_VOLTCTL_FLDO2,
524 .voltage_nstep1 = 15,
527 .id = AXP8XX_REG_ID_GPIO0_LDO,
529 .enable_reg = AXP_GPIO0_CTRL,
530 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
531 .enable_value = AXP_GPIO_FUNC_LDO_ON,
532 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
533 .voltage_reg = AXP_GPIO0LDO_CTRL,
536 .voltage_step1 = 100,
537 .voltage_nstep1 = 26,
540 .id = AXP8XX_REG_ID_GPIO1_LDO,
542 .enable_reg = AXP_GPIO1_CTRL,
543 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
544 .enable_value = AXP_GPIO_FUNC_LDO_ON,
545 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
546 .voltage_reg = AXP_GPIO1LDO_CTRL,
549 .voltage_step1 = 100,
550 .voltage_nstep1 = 26,
555 AXP_SENSOR_ACIN_PRESENT,
556 AXP_SENSOR_VBUS_PRESENT,
557 AXP_SENSOR_BATT_PRESENT,
558 AXP_SENSOR_BATT_CHARGING,
559 AXP_SENSOR_BATT_CHARGE_STATE,
560 AXP_SENSOR_BATT_VOLTAGE,
561 AXP_SENSOR_BATT_CHARGE_CURRENT,
562 AXP_SENSOR_BATT_DISCHARGE_CURRENT,
563 AXP_SENSOR_BATT_CAPACITY_PERCENT,
564 AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
565 AXP_SENSOR_BATT_CURRENT_CAPACITY,
568 enum battery_capacity_state {
569 BATT_CAPACITY_NORMAL = 1, /* normal cap in battery */
570 BATT_CAPACITY_WARNING, /* warning cap in battery */
571 BATT_CAPACITY_CRITICAL, /* critical cap in battery */
572 BATT_CAPACITY_HIGH, /* high cap in battery */
573 BATT_CAPACITY_MAX, /* maximum cap in battery */
574 BATT_CAPACITY_LOW /* low cap in battery */
577 struct axp8xx_sensors {
584 static const struct axp8xx_sensors axp8xx_common_sensors[] = {
586 .id = AXP_SENSOR_ACIN_PRESENT,
589 .desc = "ACIN Present",
592 .id = AXP_SENSOR_VBUS_PRESENT,
595 .desc = "VBUS Present",
598 .id = AXP_SENSOR_BATT_PRESENT,
601 .desc = "Battery Present",
604 .id = AXP_SENSOR_BATT_CHARGING,
605 .name = "batcharging",
607 .desc = "Battery Charging",
610 .id = AXP_SENSOR_BATT_CHARGE_STATE,
611 .name = "batchargestate",
613 .desc = "Battery Charge State",
616 .id = AXP_SENSOR_BATT_VOLTAGE,
619 .desc = "Battery Voltage",
622 .id = AXP_SENSOR_BATT_CHARGE_CURRENT,
623 .name = "batchargecurrent",
625 .desc = "Average Battery Charging Current",
628 .id = AXP_SENSOR_BATT_DISCHARGE_CURRENT,
629 .name = "batdischargecurrent",
631 .desc = "Average Battery Discharging Current",
634 .id = AXP_SENSOR_BATT_CAPACITY_PERCENT,
635 .name = "batcapacitypercent",
637 .desc = "Battery Capacity Percentage",
640 .id = AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
641 .name = "batmaxcapacity",
643 .desc = "Battery Maximum Capacity",
646 .id = AXP_SENSOR_BATT_CURRENT_CAPACITY,
647 .name = "batcurrentcapacity",
649 .desc = "Battery Current Capacity",
653 struct axp8xx_config {
655 int batsense_step; /* uV */
656 int charge_step; /* uA */
657 int discharge_step; /* uA */
658 int maxcap_step; /* uAh */
659 int coulomb_step; /* uAh */
662 static struct axp8xx_config axp803_config = {
664 .batsense_step = 1100,
666 .discharge_step = 1000,
668 .coulomb_step = 1456,
673 struct axp8xx_reg_sc {
674 struct regnode *regnode;
676 struct axp8xx_regdef *def;
678 struct regnode_std_param *param;
681 struct axp8xx_softc {
682 struct resource *res;
692 const struct axp8xx_config *config;
695 const struct axp8xx_sensors *sensors;
699 struct axp8xx_reg_sc **regs;
702 /* Warning, shutdown thresholds */
707 #define AXP_LOCK(sc) mtx_lock(&(sc)->mtx)
708 #define AXP_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
709 static int axp8xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
710 int max_uvolt, int *udelay);
713 axp8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size)
715 struct axp8xx_softc *sc;
716 struct iic_msg msg[2];
718 sc = device_get_softc(dev);
720 msg[0].slave = sc->addr;
721 msg[0].flags = IIC_M_WR;
725 msg[1].slave = sc->addr;
726 msg[1].flags = IIC_M_RD;
730 return (iicbus_transfer(dev, msg, 2));
734 axp8xx_write(device_t dev, uint8_t reg, uint8_t val)
736 struct axp8xx_softc *sc;
737 struct iic_msg msg[2];
739 sc = device_get_softc(dev);
741 msg[0].slave = sc->addr;
742 msg[0].flags = IIC_M_WR;
746 msg[1].slave = sc->addr;
747 msg[1].flags = IIC_M_WR;
751 return (iicbus_transfer(dev, msg, 2));
755 axp8xx_regnode_init(struct regnode *regnode)
757 struct regnode_std_param *param;
760 param = regnode_get_stdparam(regnode);
761 if (param->min_uvolt == 0)
765 * Set the regulator at the correct voltage
766 * Do not enable it, this is will be done either by a
767 * consumer or by regnode_set_constraint if boot_on is true
769 rv = axp8xx_regnode_set_voltage(regnode, param->min_uvolt,
770 param->max_uvolt, &udelay);
778 axp8xx_regnode_enable(struct regnode *regnode, bool enable, int *udelay)
780 struct axp8xx_reg_sc *sc;
783 sc = regnode_get_softc(regnode);
786 device_printf(sc->base_dev, "%sable %s (%s)\n",
787 enable ? "En" : "Dis",
788 regnode_get_name(regnode),
791 axp8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
792 val &= ~sc->def->enable_mask;
794 val |= sc->def->enable_value;
796 if (sc->def->disable_value)
797 val |= sc->def->disable_value;
799 val &= ~sc->def->enable_value;
801 axp8xx_write(sc->base_dev, sc->def->enable_reg, val);
809 axp8xx_regnode_reg_to_voltage(struct axp8xx_reg_sc *sc, uint8_t val, int *uv)
811 if (val < sc->def->voltage_nstep1)
812 *uv = sc->def->voltage_min + val * sc->def->voltage_step1;
814 *uv = sc->def->voltage_min +
815 (sc->def->voltage_nstep1 * sc->def->voltage_step1) +
816 ((val - sc->def->voltage_nstep1) * sc->def->voltage_step2);
821 axp8xx_regnode_voltage_to_reg(struct axp8xx_reg_sc *sc, int min_uvolt,
822 int max_uvolt, uint8_t *val)
828 uvolt = sc->def->voltage_min * 1000;
830 for (nstep = 0; nstep < sc->def->voltage_nstep1 && uvolt < min_uvolt;
833 uvolt += (sc->def->voltage_step1 * 1000);
835 for (nstep = 0; nstep < sc->def->voltage_nstep2 && uvolt < min_uvolt;
838 uvolt += (sc->def->voltage_step2 * 1000);
840 if (uvolt > max_uvolt)
848 axp8xx_regnode_status(struct regnode *regnode, int *status)
850 struct axp8xx_reg_sc *sc;
853 sc = regnode_get_softc(regnode);
856 axp8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
857 if (val & sc->def->enable_mask)
858 *status = REGULATOR_STATUS_ENABLED;
864 axp8xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
865 int max_uvolt, int *udelay)
867 struct axp8xx_reg_sc *sc;
870 sc = regnode_get_softc(regnode);
873 device_printf(sc->base_dev, "Setting %s (%s) to %d<->%d\n",
874 regnode_get_name(regnode),
876 min_uvolt, max_uvolt);
878 if (sc->def->voltage_step1 == 0)
881 if (axp8xx_regnode_voltage_to_reg(sc, min_uvolt, max_uvolt, &val) != 0)
884 axp8xx_write(sc->base_dev, sc->def->voltage_reg, val);
892 axp8xx_regnode_get_voltage(struct regnode *regnode, int *uvolt)
894 struct axp8xx_reg_sc *sc;
897 sc = regnode_get_softc(regnode);
899 if (!sc->def->voltage_step1 || !sc->def->voltage_step2)
902 axp8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
903 axp8xx_regnode_reg_to_voltage(sc, val & AXP_VOLTCTL_MASK, uvolt);
908 static regnode_method_t axp8xx_regnode_methods[] = {
909 /* Regulator interface */
910 REGNODEMETHOD(regnode_init, axp8xx_regnode_init),
911 REGNODEMETHOD(regnode_enable, axp8xx_regnode_enable),
912 REGNODEMETHOD(regnode_status, axp8xx_regnode_status),
913 REGNODEMETHOD(regnode_set_voltage, axp8xx_regnode_set_voltage),
914 REGNODEMETHOD(regnode_get_voltage, axp8xx_regnode_get_voltage),
915 REGNODEMETHOD(regnode_check_voltage, regnode_method_check_voltage),
918 DEFINE_CLASS_1(axp8xx_regnode, axp8xx_regnode_class, axp8xx_regnode_methods,
919 sizeof(struct axp8xx_reg_sc), regnode_class);
922 axp8xx_shutdown(void *devp, int howto)
926 if ((howto & RB_POWEROFF) == 0)
932 device_printf(dev, "Shutdown Axp8xx\n");
934 axp8xx_write(dev, AXP_POWERBAT, AXP_POWERBAT_SHUTDOWN);
938 axp8xx_sysctl_chargecurrent(SYSCTL_HANDLER_ARGS)
944 error = axp8xx_read(dev, AXP_CHARGERCTL1, &data, 1);
949 device_printf(dev, "Raw CHARGECTL1 val: 0x%0x\n", data);
950 val = (data & AXP_CHARGERCTL1_CMASK);
951 error = sysctl_handle_int(oidp, &val, 0, req);
952 if (error || !req->newptr) /* error || read request */
955 if ((val < AXP_CHARGERCTL1_MIN) || (val > AXP_CHARGERCTL1_MAX))
958 val |= (data & (AXP_CHARGERCTL1_CMASK << 4));
959 axp8xx_write(dev, AXP_CHARGERCTL1, val);
965 axp8xx_sysctl(SYSCTL_HANDLER_ARGS)
967 struct axp8xx_softc *sc;
969 enum axp8xx_sensor sensor = arg2;
970 const struct axp8xx_config *c;
972 int val, i, found, batt_val;
975 sc = device_get_softc(dev);
978 for (found = 0, i = 0; i < sc->nsensors; i++) {
979 if (sc->sensors[i].id == sensor) {
989 case AXP_SENSOR_ACIN_PRESENT:
990 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
991 val = !!(data & AXP_POWERSRC_ACIN);
993 case AXP_SENSOR_VBUS_PRESENT:
994 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
995 val = !!(data & AXP_POWERSRC_VBUS);
997 case AXP_SENSOR_BATT_PRESENT:
998 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0) {
999 if (data & AXP_POWERMODE_BAT_VALID)
1000 val = !!(data & AXP_POWERMODE_BAT_PRESENT);
1003 case AXP_SENSOR_BATT_CHARGING:
1004 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0)
1005 val = !!(data & AXP_POWERMODE_BAT_CHARGING);
1007 case AXP_SENSOR_BATT_CHARGE_STATE:
1008 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
1009 (data & AXP_BAT_CAP_VALID) != 0) {
1010 batt_val = (data & AXP_BAT_CAP_PERCENT);
1011 if (batt_val <= sc->shut_thres)
1012 val = BATT_CAPACITY_CRITICAL;
1013 else if (batt_val <= sc->warn_thres)
1014 val = BATT_CAPACITY_WARNING;
1016 val = BATT_CAPACITY_NORMAL;
1019 case AXP_SENSOR_BATT_CAPACITY_PERCENT:
1020 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
1021 (data & AXP_BAT_CAP_VALID) != 0)
1022 val = (data & AXP_BAT_CAP_PERCENT);
1024 case AXP_SENSOR_BATT_VOLTAGE:
1025 if (axp8xx_read(dev, AXP_BATSENSE_HI, &hi, 1) == 0 &&
1026 axp8xx_read(dev, AXP_BATSENSE_LO, &lo, 1) == 0) {
1027 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
1028 val *= c->batsense_step;
1031 case AXP_SENSOR_BATT_CHARGE_CURRENT:
1032 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
1033 (data & AXP_POWERSRC_CHARING) != 0 &&
1034 axp8xx_read(dev, AXP_BATCHG_HI, &hi, 1) == 0 &&
1035 axp8xx_read(dev, AXP_BATCHG_LO, &lo, 1) == 0) {
1036 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
1037 val *= c->charge_step;
1040 case AXP_SENSOR_BATT_DISCHARGE_CURRENT:
1041 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
1042 (data & AXP_POWERSRC_CHARING) == 0 &&
1043 axp8xx_read(dev, AXP_BATDISCHG_HI, &hi, 1) == 0 &&
1044 axp8xx_read(dev, AXP_BATDISCHG_LO, &lo, 1) == 0) {
1045 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
1046 val *= c->discharge_step;
1049 case AXP_SENSOR_BATT_MAXIMUM_CAPACITY:
1050 if (axp8xx_read(dev, AXP_BAT_MAX_CAP_HI, &hi, 1) == 0 &&
1051 axp8xx_read(dev, AXP_BAT_MAX_CAP_LO, &lo, 1) == 0) {
1052 val = AXP_SENSOR_COULOMB(hi, lo);
1053 val *= c->maxcap_step;
1056 case AXP_SENSOR_BATT_CURRENT_CAPACITY:
1057 if (axp8xx_read(dev, AXP_BAT_COULOMB_HI, &hi, 1) == 0 &&
1058 axp8xx_read(dev, AXP_BAT_COULOMB_LO, &lo, 1) == 0) {
1059 val = AXP_SENSOR_COULOMB(hi, lo);
1060 val *= c->coulomb_step;
1065 return sysctl_handle_opaque(oidp, &val, sizeof(val), req);
1069 axp8xx_intr(void *arg)
1077 error = axp8xx_read(dev, AXP_IRQSTAT1, &val, 1);
1083 device_printf(dev, "AXP_IRQSTAT1 val: %x\n", val);
1084 if (val & AXP_IRQSTAT1_ACIN_HI)
1085 devctl_notify("PMU", "AC", "plugged", NULL);
1086 if (val & AXP_IRQSTAT1_ACIN_LO)
1087 devctl_notify("PMU", "AC", "unplugged", NULL);
1088 if (val & AXP_IRQSTAT1_VBUS_HI)
1089 devctl_notify("PMU", "USB", "plugged", NULL);
1090 if (val & AXP_IRQSTAT1_VBUS_LO)
1091 devctl_notify("PMU", "USB", "unplugged", NULL);
1093 axp8xx_write(dev, AXP_IRQSTAT1, val);
1096 error = axp8xx_read(dev, AXP_IRQSTAT2, &val, 1);
1102 device_printf(dev, "AXP_IRQSTAT2 val: %x\n", val);
1103 if (val & AXP_IRQSTAT2_BATCHGD)
1104 devctl_notify("PMU", "Battery", "charged", NULL);
1105 if (val & AXP_IRQSTAT2_BATCHGC)
1106 devctl_notify("PMU", "Battery", "charging", NULL);
1107 if (val & AXP_IRQSTAT2_BAT_NO)
1108 devctl_notify("PMU", "Battery", "absent", NULL);
1109 if (val & AXP_IRQSTAT2_BAT_IN)
1110 devctl_notify("PMU", "Battery", "plugged", NULL);
1112 axp8xx_write(dev, AXP_IRQSTAT2, val);
1115 error = axp8xx_read(dev, AXP_IRQSTAT3, &val, 1);
1121 axp8xx_write(dev, AXP_IRQSTAT3, val);
1124 error = axp8xx_read(dev, AXP_IRQSTAT4, &val, 1);
1130 device_printf(dev, "AXP_IRQSTAT4 val: %x\n", val);
1131 if (val & AXP_IRQSTAT4_BATLVL_LO0)
1132 devctl_notify("PMU", "Battery", "shutdown-threshold", NULL);
1133 if (val & AXP_IRQSTAT4_BATLVL_LO1)
1134 devctl_notify("PMU", "Battery", "warning-threshold", NULL);
1136 axp8xx_write(dev, AXP_IRQSTAT4, val);
1139 error = axp8xx_read(dev, AXP_IRQSTAT5, &val, 1);
1144 if ((val & AXP_IRQSTAT5_POKSIRQ) != 0) {
1146 device_printf(dev, "Power button pressed\n");
1147 shutdown_nice(RB_POWEROFF);
1150 axp8xx_write(dev, AXP_IRQSTAT5, val);
1153 error = axp8xx_read(dev, AXP_IRQSTAT6, &val, 1);
1159 axp8xx_write(dev, AXP_IRQSTAT6, val);
1164 axp8xx_gpio_get_bus(device_t dev)
1166 struct axp8xx_softc *sc;
1168 sc = device_get_softc(dev);
1170 return (sc->gpiodev);
1174 axp8xx_gpio_pin_max(device_t dev, int *maxpin)
1176 *maxpin = nitems(axp8xx_pins) - 1;
1182 axp8xx_gpio_pin_getname(device_t dev, uint32_t pin, char *name)
1184 if (pin >= nitems(axp8xx_pins))
1187 snprintf(name, GPIOMAXNAME, "%s", axp8xx_pins[pin].name);
1193 axp8xx_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
1195 if (pin >= nitems(axp8xx_pins))
1198 *caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
1204 axp8xx_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
1206 struct axp8xx_softc *sc;
1210 if (pin >= nitems(axp8xx_pins))
1213 sc = device_get_softc(dev);
1216 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1218 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1219 if (func == AXP_GPIO_FUNC_INPUT)
1220 *flags = GPIO_PIN_INPUT;
1221 else if (func == AXP_GPIO_FUNC_DRVLO ||
1222 func == AXP_GPIO_FUNC_DRVHI)
1223 *flags = GPIO_PIN_OUTPUT;
1233 axp8xx_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
1235 struct axp8xx_softc *sc;
1239 if (pin >= nitems(axp8xx_pins))
1242 sc = device_get_softc(dev);
1245 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1247 data &= ~AXP_GPIO_FUNC;
1248 if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) != 0) {
1249 if ((flags & GPIO_PIN_OUTPUT) == 0)
1250 data |= AXP_GPIO_FUNC_INPUT;
1252 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1260 axp8xx_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val)
1262 struct axp8xx_softc *sc;
1266 if (pin >= nitems(axp8xx_pins))
1269 sc = device_get_softc(dev);
1272 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1274 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1276 case AXP_GPIO_FUNC_DRVLO:
1279 case AXP_GPIO_FUNC_DRVHI:
1282 case AXP_GPIO_FUNC_INPUT:
1283 error = axp8xx_read(dev, AXP_GPIO_SIGBIT, &data, 1);
1285 *val = (data & (1 << pin)) ? 1 : 0;
1298 axp8xx_gpio_pin_set(device_t dev, uint32_t pin, unsigned int val)
1300 struct axp8xx_softc *sc;
1304 if (pin >= nitems(axp8xx_pins))
1307 sc = device_get_softc(dev);
1310 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1312 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1314 case AXP_GPIO_FUNC_DRVLO:
1315 case AXP_GPIO_FUNC_DRVHI:
1316 data &= ~AXP_GPIO_FUNC;
1317 data |= (val << AXP_GPIO_FUNC_SHIFT);
1325 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1332 axp8xx_gpio_pin_toggle(device_t dev, uint32_t pin)
1334 struct axp8xx_softc *sc;
1338 if (pin >= nitems(axp8xx_pins))
1341 sc = device_get_softc(dev);
1344 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1346 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1348 case AXP_GPIO_FUNC_DRVLO:
1349 data &= ~AXP_GPIO_FUNC;
1350 data |= (AXP_GPIO_FUNC_DRVHI << AXP_GPIO_FUNC_SHIFT);
1352 case AXP_GPIO_FUNC_DRVHI:
1353 data &= ~AXP_GPIO_FUNC;
1354 data |= (AXP_GPIO_FUNC_DRVLO << AXP_GPIO_FUNC_SHIFT);
1362 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1369 axp8xx_gpio_map_gpios(device_t bus, phandle_t dev, phandle_t gparent,
1370 int gcells, pcell_t *gpios, uint32_t *pin, uint32_t *flags)
1372 if (gpios[0] >= nitems(axp8xx_pins))
1382 axp8xx_get_node(device_t dev, device_t bus)
1384 return (ofw_bus_get_node(dev));
1387 static struct axp8xx_reg_sc *
1388 axp8xx_reg_attach(device_t dev, phandle_t node,
1389 struct axp8xx_regdef *def)
1391 struct axp8xx_reg_sc *reg_sc;
1392 struct regnode_init_def initdef;
1393 struct regnode *regnode;
1395 memset(&initdef, 0, sizeof(initdef));
1396 if (regulator_parse_ofw_stdparam(dev, node, &initdef) != 0)
1398 if (initdef.std_param.min_uvolt == 0)
1399 initdef.std_param.min_uvolt = def->voltage_min * 1000;
1400 if (initdef.std_param.max_uvolt == 0)
1401 initdef.std_param.max_uvolt = def->voltage_max * 1000;
1402 initdef.id = def->id;
1403 initdef.ofw_node = node;
1404 regnode = regnode_create(dev, &axp8xx_regnode_class, &initdef);
1405 if (regnode == NULL) {
1406 device_printf(dev, "cannot create regulator\n");
1410 reg_sc = regnode_get_softc(regnode);
1411 reg_sc->regnode = regnode;
1412 reg_sc->base_dev = dev;
1414 reg_sc->xref = OF_xref_from_node(node);
1415 reg_sc->param = regnode_get_stdparam(regnode);
1417 regnode_register(regnode);
1423 axp8xx_regdev_map(device_t dev, phandle_t xref, int ncells, pcell_t *cells,
1426 struct axp8xx_softc *sc;
1429 sc = device_get_softc(dev);
1430 for (i = 0; i < sc->nregs; i++) {
1431 if (sc->regs[i] == NULL)
1433 if (sc->regs[i]->xref == xref) {
1434 *num = sc->regs[i]->def->id;
1443 axp8xx_probe(device_t dev)
1445 if (!ofw_bus_status_okay(dev))
1448 switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data)
1451 device_set_desc(dev, "X-Powers AXP803 Power Management Unit");
1454 device_set_desc(dev, "X-Powers AXP813 Power Management Unit");
1460 return (BUS_PROBE_DEFAULT);
1464 axp8xx_attach(device_t dev)
1466 struct axp8xx_softc *sc;
1467 struct axp8xx_reg_sc *reg;
1468 uint8_t chip_id, val;
1469 phandle_t rnode, child;
1472 sc = device_get_softc(dev);
1474 sc->addr = iicbus_get_addr(dev);
1475 mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
1477 error = bus_alloc_resources(dev, axp8xx_spec, &sc->res);
1479 device_printf(dev, "cannot allocate resources for device\n");
1484 axp8xx_read(dev, AXP_ICTYPE, &chip_id, 1);
1485 device_printf(dev, "chip ID 0x%02x\n", chip_id);
1488 sc->nregs = nitems(axp8xx_common_regdefs);
1489 sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
1492 sc->nregs += nitems(axp803_regdefs);
1495 sc->nregs += nitems(axp813_regdefs);
1498 sc->config = &axp803_config;
1499 sc->sensors = axp8xx_common_sensors;
1500 sc->nsensors = nitems(axp8xx_common_sensors);
1502 sc->regs = malloc(sizeof(struct axp8xx_reg_sc *) * sc->nregs,
1503 M_AXP8XX_REG, M_WAITOK | M_ZERO);
1505 /* Attach known regulators that exist in the DT */
1506 rnode = ofw_bus_find_child(ofw_bus_get_node(dev), "regulators");
1508 for (i = 0; i < sc->nregs; i++) {
1510 struct axp8xx_regdef *regdef;
1512 if (i <= nitems(axp8xx_common_regdefs)) {
1513 regname = axp8xx_common_regdefs[i].name;
1514 regdef = &axp8xx_common_regdefs[i];
1518 off = i - nitems(axp8xx_common_regdefs);
1521 regname = axp803_regdefs[off].name;
1522 regdef = &axp803_regdefs[off];
1525 regname = axp813_regdefs[off].name;
1526 regdef = &axp813_regdefs[off];
1530 child = ofw_bus_find_child(rnode,
1534 reg = axp8xx_reg_attach(dev, child,
1538 "cannot attach regulator %s\n",
1547 for (i = 0; i < sc->nsensors; i++) {
1548 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1549 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1550 OID_AUTO, sc->sensors[i].name,
1551 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1552 dev, sc->sensors[i].id, axp8xx_sysctl,
1553 sc->sensors[i].format,
1554 sc->sensors[i].desc);
1556 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1557 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1558 OID_AUTO, "batchargecurrentstep",
1559 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1560 dev, 0, axp8xx_sysctl_chargecurrent,
1561 "I", "Battery Charging Current Step, "
1562 "0: 200mA, 1: 400mA, 2: 600mA, 3: 800mA, "
1563 "4: 1000mA, 5: 1200mA, 6: 1400mA, 7: 1600mA, "
1564 "8: 1800mA, 9: 2000mA, 10: 2200mA, 11: 2400mA, "
1565 "12: 2600mA, 13: 2800mA");
1567 /* Get thresholds */
1568 if (axp8xx_read(dev, AXP_BAT_CAP_WARN, &val, 1) == 0) {
1569 sc->warn_thres = (val & AXP_BAT_CAP_WARN_LV1) >> 4;
1570 sc->warn_thres += AXP_BAP_CAP_WARN_LV1BASE;
1571 sc->shut_thres = (val & AXP_BAT_CAP_WARN_LV2);
1574 "Raw reg val: 0x%02x\n", val);
1576 "Warning threshold: 0x%02x\n", sc->warn_thres);
1578 "Shutdown threshold: 0x%02x\n", sc->shut_thres);
1582 /* Enable interrupts */
1583 axp8xx_write(dev, AXP_IRQEN1,
1584 AXP_IRQEN1_VBUS_LO |
1585 AXP_IRQEN1_VBUS_HI |
1586 AXP_IRQEN1_ACIN_LO |
1587 AXP_IRQEN1_ACIN_HI);
1588 axp8xx_write(dev, AXP_IRQEN2,
1589 AXP_IRQEN2_BATCHGD |
1590 AXP_IRQEN2_BATCHGC |
1593 axp8xx_write(dev, AXP_IRQEN3, 0);
1594 axp8xx_write(dev, AXP_IRQEN4,
1595 AXP_IRQEN4_BATLVL_LO0 |
1596 AXP_IRQEN4_BATLVL_LO1);
1597 axp8xx_write(dev, AXP_IRQEN5,
1598 AXP_IRQEN5_POKSIRQ |
1599 AXP_IRQEN5_POKLIRQ);
1600 axp8xx_write(dev, AXP_IRQEN6, 0);
1602 /* Install interrupt handler */
1603 error = bus_setup_intr(dev, sc->res, INTR_TYPE_MISC | INTR_MPSAFE,
1604 NULL, axp8xx_intr, dev, &sc->ih);
1606 device_printf(dev, "cannot setup interrupt handler\n");
1610 EVENTHANDLER_REGISTER(shutdown_final, axp8xx_shutdown, dev,
1613 sc->gpiodev = gpiobus_attach_bus(dev);
1618 static device_method_t axp8xx_methods[] = {
1619 /* Device interface */
1620 DEVMETHOD(device_probe, axp8xx_probe),
1621 DEVMETHOD(device_attach, axp8xx_attach),
1623 /* GPIO interface */
1624 DEVMETHOD(gpio_get_bus, axp8xx_gpio_get_bus),
1625 DEVMETHOD(gpio_pin_max, axp8xx_gpio_pin_max),
1626 DEVMETHOD(gpio_pin_getname, axp8xx_gpio_pin_getname),
1627 DEVMETHOD(gpio_pin_getcaps, axp8xx_gpio_pin_getcaps),
1628 DEVMETHOD(gpio_pin_getflags, axp8xx_gpio_pin_getflags),
1629 DEVMETHOD(gpio_pin_setflags, axp8xx_gpio_pin_setflags),
1630 DEVMETHOD(gpio_pin_get, axp8xx_gpio_pin_get),
1631 DEVMETHOD(gpio_pin_set, axp8xx_gpio_pin_set),
1632 DEVMETHOD(gpio_pin_toggle, axp8xx_gpio_pin_toggle),
1633 DEVMETHOD(gpio_map_gpios, axp8xx_gpio_map_gpios),
1635 /* Regdev interface */
1636 DEVMETHOD(regdev_map, axp8xx_regdev_map),
1638 /* OFW bus interface */
1639 DEVMETHOD(ofw_bus_get_node, axp8xx_get_node),
1644 static driver_t axp8xx_driver = {
1647 sizeof(struct axp8xx_softc),
1650 extern driver_t ofw_gpiobus_driver, gpioc_driver;
1652 EARLY_DRIVER_MODULE(axp8xx, iicbus, axp8xx_driver, 0, 0,
1653 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1654 EARLY_DRIVER_MODULE(ofw_gpiobus, axp8xx_pmu, ofw_gpiobus_driver, 0, 0,
1655 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1656 DRIVER_MODULE(gpioc, axp8xx_pmu, gpioc_driver, 0, 0);
1657 MODULE_VERSION(axp8xx, 1);
1658 MODULE_DEPEND(axp8xx, iicbus, 1, 1, 1);
1659 SIMPLEBUS_PNP_INFO(compat_data);