2 * Copyright (c) 2018 Emmanuel Vadot <manu@freebsd.org>
3 * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * X-Powers AXP803/813/818 PMU for Allwinner SoCs
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/eventhandler.h>
42 #include <sys/kernel.h>
43 #include <sys/reboot.h>
45 #include <sys/module.h>
46 #include <machine/bus.h>
48 #include <dev/iicbus/iicbus.h>
49 #include <dev/iicbus/iiconf.h>
51 #include <dev/gpio/gpiobusvar.h>
53 #include <dev/ofw/ofw_bus.h>
54 #include <dev/ofw/ofw_bus_subr.h>
56 #include <dev/extres/regulator/regulator.h>
59 #include "iicbus_if.h"
60 #include "regdev_if.h"
62 MALLOC_DEFINE(M_AXP8XX_REG, "AXP8xx regulator", "AXP8xx power regulator");
64 #define AXP_POWERSRC 0x00
65 #define AXP_POWERSRC_ACIN (1 << 7)
66 #define AXP_POWERSRC_VBUS (1 << 5)
67 #define AXP_POWERSRC_VBAT (1 << 3)
68 #define AXP_POWERSRC_CHARING (1 << 2) /* Charging Direction */
69 #define AXP_POWERSRC_SHORTED (1 << 1)
70 #define AXP_POWERSRC_STARTUP (1 << 0)
71 #define AXP_POWERMODE 0x01
72 #define AXP_POWERMODE_BAT_CHARGING (1 << 6)
73 #define AXP_POWERMODE_BAT_PRESENT (1 << 5)
74 #define AXP_POWERMODE_BAT_VALID (1 << 4)
75 #define AXP_ICTYPE 0x03
76 #define AXP_POWERCTL1 0x10
77 #define AXP_POWERCTL1_DCDC7 (1 << 6) /* AXP813/818 only */
78 #define AXP_POWERCTL1_DCDC6 (1 << 5)
79 #define AXP_POWERCTL1_DCDC5 (1 << 4)
80 #define AXP_POWERCTL1_DCDC4 (1 << 3)
81 #define AXP_POWERCTL1_DCDC3 (1 << 2)
82 #define AXP_POWERCTL1_DCDC2 (1 << 1)
83 #define AXP_POWERCTL1_DCDC1 (1 << 0)
84 #define AXP_POWERCTL2 0x12
85 #define AXP_POWERCTL2_DC1SW (1 << 7) /* AXP803 only */
86 #define AXP_POWERCTL2_DLDO4 (1 << 6)
87 #define AXP_POWERCTL2_DLDO3 (1 << 5)
88 #define AXP_POWERCTL2_DLDO2 (1 << 4)
89 #define AXP_POWERCTL2_DLDO1 (1 << 3)
90 #define AXP_POWERCTL2_ELDO3 (1 << 2)
91 #define AXP_POWERCTL2_ELDO2 (1 << 1)
92 #define AXP_POWERCTL2_ELDO1 (1 << 0)
93 #define AXP_POWERCTL3 0x13
94 #define AXP_POWERCTL3_ALDO3 (1 << 7)
95 #define AXP_POWERCTL3_ALDO2 (1 << 6)
96 #define AXP_POWERCTL3_ALDO1 (1 << 5)
97 #define AXP_POWERCTL3_FLDO3 (1 << 4) /* AXP813/818 only */
98 #define AXP_POWERCTL3_FLDO2 (1 << 3)
99 #define AXP_POWERCTL3_FLDO1 (1 << 2)
100 #define AXP_VOLTCTL_DLDO1 0x15
101 #define AXP_VOLTCTL_DLDO2 0x16
102 #define AXP_VOLTCTL_DLDO3 0x17
103 #define AXP_VOLTCTL_DLDO4 0x18
104 #define AXP_VOLTCTL_ELDO1 0x19
105 #define AXP_VOLTCTL_ELDO2 0x1A
106 #define AXP_VOLTCTL_ELDO3 0x1B
107 #define AXP_VOLTCTL_FLDO1 0x1C
108 #define AXP_VOLTCTL_FLDO2 0x1D
109 #define AXP_VOLTCTL_DCDC1 0x20
110 #define AXP_VOLTCTL_DCDC2 0x21
111 #define AXP_VOLTCTL_DCDC3 0x22
112 #define AXP_VOLTCTL_DCDC4 0x23
113 #define AXP_VOLTCTL_DCDC5 0x24
114 #define AXP_VOLTCTL_DCDC6 0x25
115 #define AXP_VOLTCTL_DCDC7 0x26
116 #define AXP_VOLTCTL_ALDO1 0x28
117 #define AXP_VOLTCTL_ALDO2 0x29
118 #define AXP_VOLTCTL_ALDO3 0x2A
119 #define AXP_VOLTCTL_STATUS (1 << 7)
120 #define AXP_VOLTCTL_MASK 0x7f
121 #define AXP_POWERBAT 0x32
122 #define AXP_POWERBAT_SHUTDOWN (1 << 7)
123 #define AXP_CHARGERCTL1 0x33
124 #define AXP_CHARGERCTL1_MIN 0
125 #define AXP_CHARGERCTL1_MAX 13
126 #define AXP_CHARGERCTL1_CMASK 0xf
127 #define AXP_IRQEN1 0x40
128 #define AXP_IRQEN1_ACIN_HI (1 << 6)
129 #define AXP_IRQEN1_ACIN_LO (1 << 5)
130 #define AXP_IRQEN1_VBUS_HI (1 << 3)
131 #define AXP_IRQEN1_VBUS_LO (1 << 2)
132 #define AXP_IRQEN2 0x41
133 #define AXP_IRQEN2_BAT_IN (1 << 7)
134 #define AXP_IRQEN2_BAT_NO (1 << 6)
135 #define AXP_IRQEN2_BATCHGC (1 << 3)
136 #define AXP_IRQEN2_BATCHGD (1 << 2)
137 #define AXP_IRQEN3 0x42
138 #define AXP_IRQEN4 0x43
139 #define AXP_IRQEN4_BATLVL_LO1 (1 << 1)
140 #define AXP_IRQEN4_BATLVL_LO0 (1 << 0)
141 #define AXP_IRQEN5 0x44
142 #define AXP_IRQEN5_POKSIRQ (1 << 4)
143 #define AXP_IRQEN5_POKLIRQ (1 << 3)
144 #define AXP_IRQEN6 0x45
145 #define AXP_IRQSTAT1 0x48
146 #define AXP_IRQSTAT1_ACIN_HI (1 << 6)
147 #define AXP_IRQSTAT1_ACIN_LO (1 << 5)
148 #define AXP_IRQSTAT1_VBUS_HI (1 << 3)
149 #define AXP_IRQSTAT1_VBUS_LO (1 << 2)
150 #define AXP_IRQSTAT2 0x49
151 #define AXP_IRQSTAT2_BAT_IN (1 << 7)
152 #define AXP_IRQSTAT2_BAT_NO (1 << 6)
153 #define AXP_IRQSTAT2_BATCHGC (1 << 3)
154 #define AXP_IRQSTAT2_BATCHGD (1 << 2)
155 #define AXP_IRQSTAT3 0x4a
156 #define AXP_IRQSTAT4 0x4b
157 #define AXP_IRQSTAT4_BATLVL_LO1 (1 << 1)
158 #define AXP_IRQSTAT4_BATLVL_LO0 (1 << 0)
159 #define AXP_IRQSTAT5 0x4c
160 #define AXP_IRQSTAT5_POKSIRQ (1 << 4)
161 #define AXP_IRQEN5_POKLIRQ (1 << 3)
162 #define AXP_IRQSTAT6 0x4d
163 #define AXP_BATSENSE_HI 0x78
164 #define AXP_BATSENSE_LO 0x79
165 #define AXP_BATCHG_HI 0x7a
166 #define AXP_BATCHG_LO 0x7b
167 #define AXP_BATDISCHG_HI 0x7c
168 #define AXP_BATDISCHG_LO 0x7d
169 #define AXP_GPIO0_CTRL 0x90
170 #define AXP_GPIO0LDO_CTRL 0x91
171 #define AXP_GPIO1_CTRL 0x92
172 #define AXP_GPIO1LDO_CTRL 0x93
173 #define AXP_GPIO_FUNC (0x7 << 0)
174 #define AXP_GPIO_FUNC_SHIFT 0
175 #define AXP_GPIO_FUNC_DRVLO 0
176 #define AXP_GPIO_FUNC_DRVHI 1
177 #define AXP_GPIO_FUNC_INPUT 2
178 #define AXP_GPIO_FUNC_LDO_ON 3
179 #define AXP_GPIO_FUNC_LDO_OFF 4
180 #define AXP_GPIO_SIGBIT 0x94
181 #define AXP_GPIO_PD 0x97
182 #define AXP_FUEL_GAUGECTL 0xb8
183 #define AXP_FUEL_GAUGECTL_EN (1 << 7)
185 #define AXP_BAT_CAP 0xb9
186 #define AXP_BAT_CAP_VALID (1 << 7)
187 #define AXP_BAT_CAP_PERCENT 0x7f
189 #define AXP_BAT_MAX_CAP_HI 0xe0
190 #define AXP_BAT_MAX_CAP_VALID (1 << 7)
191 #define AXP_BAT_MAX_CAP_LO 0xe1
193 #define AXP_BAT_COULOMB_HI 0xe2
194 #define AXP_BAT_COULOMB_VALID (1 << 7)
195 #define AXP_BAT_COULOMB_LO 0xe3
197 #define AXP_BAT_CAP_WARN 0xe6
198 #define AXP_BAT_CAP_WARN_LV1 0xf0 /* Bits 4, 5, 6, 7 */
199 #define AXP_BAT_CAP_WARN_LV2 0xf /* Bits 0, 1, 2, 3 */
201 /* Sensor conversion macros */
202 #define AXP_SENSOR_BAT_H(hi) ((hi) << 4)
203 #define AXP_SENSOR_BAT_L(lo) ((lo) & 0xf)
204 #define AXP_SENSOR_COULOMB(hi, lo) (((hi & ~(1 << 7)) << 8) | (lo))
206 static const struct {
210 { "GPIO0", AXP_GPIO0_CTRL },
211 { "GPIO1", AXP_GPIO1_CTRL },
219 static struct ofw_compat_data compat_data[] = {
220 { "x-powers,axp803", AXP803 },
221 { "x-powers,axp813", AXP813 },
222 { "x-powers,axp818", AXP813 },
226 static struct resource_spec axp8xx_spec[] = {
227 { SYS_RES_IRQ, 0, RF_ACTIVE },
231 struct axp8xx_regdef {
237 uint8_t enable_value;
238 uint8_t disable_value;
249 AXP8XX_REG_ID_DCDC1 = 100,
270 AXP8XX_REG_ID_GPIO0_LDO,
271 AXP8XX_REG_ID_GPIO1_LDO,
274 static struct axp8xx_regdef axp803_regdefs[] = {
276 .id = AXP803_REG_ID_DC1SW,
278 .enable_reg = AXP_POWERCTL2,
279 .enable_mask = (uint8_t) AXP_POWERCTL2_DC1SW,
280 .enable_value = AXP_POWERCTL2_DC1SW,
284 static struct axp8xx_regdef axp813_regdefs[] = {
286 .id = AXP813_REG_ID_DCDC7,
288 .enable_reg = AXP_POWERCTL1,
289 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC7,
290 .enable_value = AXP_POWERCTL1_DCDC7,
291 .voltage_reg = AXP_VOLTCTL_DCDC7,
295 .voltage_nstep1 = 50,
297 .voltage_nstep2 = 21,
301 static struct axp8xx_regdef axp8xx_common_regdefs[] = {
303 .id = AXP8XX_REG_ID_DCDC1,
305 .enable_reg = AXP_POWERCTL1,
306 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC1,
307 .enable_value = AXP_POWERCTL1_DCDC1,
308 .voltage_reg = AXP_VOLTCTL_DCDC1,
311 .voltage_step1 = 100,
312 .voltage_nstep1 = 18,
315 .id = AXP8XX_REG_ID_DCDC2,
317 .enable_reg = AXP_POWERCTL1,
318 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC2,
319 .enable_value = AXP_POWERCTL1_DCDC2,
320 .voltage_reg = AXP_VOLTCTL_DCDC2,
324 .voltage_nstep1 = 70,
329 .id = AXP8XX_REG_ID_DCDC3,
331 .enable_reg = AXP_POWERCTL1,
332 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC3,
333 .enable_value = AXP_POWERCTL1_DCDC3,
334 .voltage_reg = AXP_VOLTCTL_DCDC3,
338 .voltage_nstep1 = 70,
343 .id = AXP8XX_REG_ID_DCDC4,
345 .enable_reg = AXP_POWERCTL1,
346 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC4,
347 .enable_value = AXP_POWERCTL1_DCDC4,
348 .voltage_reg = AXP_VOLTCTL_DCDC4,
352 .voltage_nstep1 = 70,
357 .id = AXP8XX_REG_ID_DCDC5,
359 .enable_reg = AXP_POWERCTL1,
360 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC5,
361 .enable_value = AXP_POWERCTL1_DCDC5,
362 .voltage_reg = AXP_VOLTCTL_DCDC5,
366 .voltage_nstep1 = 42,
368 .voltage_nstep2 = 36,
371 .id = AXP8XX_REG_ID_DCDC6,
373 .enable_reg = AXP_POWERCTL1,
374 .enable_mask = (uint8_t) AXP_POWERCTL1_DCDC6,
375 .enable_value = AXP_POWERCTL1_DCDC6,
376 .voltage_reg = AXP_VOLTCTL_DCDC6,
380 .voltage_nstep1 = 50,
382 .voltage_nstep2 = 21,
385 .id = AXP8XX_REG_ID_DLDO1,
387 .enable_reg = AXP_POWERCTL2,
388 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO1,
389 .enable_value = AXP_POWERCTL2_DLDO1,
390 .voltage_reg = AXP_VOLTCTL_DLDO1,
393 .voltage_step1 = 100,
394 .voltage_nstep1 = 26,
397 .id = AXP8XX_REG_ID_DLDO2,
399 .enable_reg = AXP_POWERCTL2,
400 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO2,
401 .enable_value = AXP_POWERCTL2_DLDO2,
402 .voltage_reg = AXP_VOLTCTL_DLDO2,
405 .voltage_step1 = 100,
406 .voltage_nstep1 = 27,
407 .voltage_step2 = 200,
411 .id = AXP8XX_REG_ID_DLDO3,
413 .enable_reg = AXP_POWERCTL2,
414 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO3,
415 .enable_value = AXP_POWERCTL2_DLDO3,
416 .voltage_reg = AXP_VOLTCTL_DLDO3,
419 .voltage_step1 = 100,
420 .voltage_nstep1 = 26,
423 .id = AXP8XX_REG_ID_DLDO4,
425 .enable_reg = AXP_POWERCTL2,
426 .enable_mask = (uint8_t) AXP_POWERCTL2_DLDO4,
427 .enable_value = AXP_POWERCTL2_DLDO4,
428 .voltage_reg = AXP_VOLTCTL_DLDO4,
431 .voltage_step1 = 100,
432 .voltage_nstep1 = 26,
435 .id = AXP8XX_REG_ID_ALDO1,
437 .enable_reg = AXP_POWERCTL3,
438 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO1,
439 .enable_value = AXP_POWERCTL3_ALDO1,
442 .voltage_step1 = 100,
443 .voltage_nstep1 = 26,
446 .id = AXP8XX_REG_ID_ALDO2,
448 .enable_reg = AXP_POWERCTL3,
449 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO2,
450 .enable_value = AXP_POWERCTL3_ALDO2,
453 .voltage_step1 = 100,
454 .voltage_nstep1 = 26,
457 .id = AXP8XX_REG_ID_ALDO3,
459 .enable_reg = AXP_POWERCTL3,
460 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO3,
461 .enable_value = AXP_POWERCTL3_ALDO3,
464 .voltage_step1 = 100,
465 .voltage_nstep1 = 26,
468 .id = AXP8XX_REG_ID_ELDO1,
470 .enable_reg = AXP_POWERCTL2,
471 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO1,
472 .enable_value = AXP_POWERCTL2_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,
487 .voltage_nstep1 = 24,
490 .id = AXP8XX_REG_ID_ELDO3,
492 .enable_reg = AXP_POWERCTL2,
493 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO3,
494 .enable_value = AXP_POWERCTL2_ELDO3,
498 .voltage_nstep1 = 24,
501 .id = AXP8XX_REG_ID_FLDO1,
503 .enable_reg = AXP_POWERCTL3,
504 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO1,
505 .enable_value = AXP_POWERCTL3_FLDO1,
509 .voltage_nstep1 = 15,
512 .id = AXP8XX_REG_ID_FLDO2,
514 .enable_reg = AXP_POWERCTL3,
515 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO2,
516 .enable_value = AXP_POWERCTL3_FLDO2,
520 .voltage_nstep1 = 15,
523 .id = AXP8XX_REG_ID_GPIO0_LDO,
525 .enable_reg = AXP_GPIO0_CTRL,
526 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
527 .enable_value = AXP_GPIO_FUNC_LDO_ON,
528 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
529 .voltage_reg = AXP_GPIO0LDO_CTRL,
532 .voltage_step1 = 100,
533 .voltage_nstep1 = 26,
536 .id = AXP8XX_REG_ID_GPIO1_LDO,
538 .enable_reg = AXP_GPIO1_CTRL,
539 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
540 .enable_value = AXP_GPIO_FUNC_LDO_ON,
541 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
542 .voltage_reg = AXP_GPIO1LDO_CTRL,
545 .voltage_step1 = 100,
546 .voltage_nstep1 = 26,
551 AXP_SENSOR_ACIN_PRESENT,
552 AXP_SENSOR_VBUS_PRESENT,
553 AXP_SENSOR_BATT_PRESENT,
554 AXP_SENSOR_BATT_CHARGING,
555 AXP_SENSOR_BATT_CHARGE_STATE,
556 AXP_SENSOR_BATT_VOLTAGE,
557 AXP_SENSOR_BATT_CHARGE_CURRENT,
558 AXP_SENSOR_BATT_DISCHARGE_CURRENT,
559 AXP_SENSOR_BATT_CAPACITY_PERCENT,
560 AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
561 AXP_SENSOR_BATT_CURRENT_CAPACITY,
564 enum battery_capacity_state {
565 BATT_CAPACITY_NORMAL = 1, /* normal cap in battery */
566 BATT_CAPACITY_WARNING, /* warning cap in battery */
567 BATT_CAPACITY_CRITICAL, /* critical cap in battery */
568 BATT_CAPACITY_HIGH, /* high cap in battery */
569 BATT_CAPACITY_MAX, /* maximum cap in battery */
570 BATT_CAPACITY_LOW /* low cap in battery */
573 struct axp8xx_sensors {
580 static const struct axp8xx_sensors axp8xx_common_sensors[] = {
582 .id = AXP_SENSOR_ACIN_PRESENT,
585 .desc = "ACIN Present",
588 .id = AXP_SENSOR_VBUS_PRESENT,
591 .desc = "VBUS Present",
594 .id = AXP_SENSOR_BATT_PRESENT,
597 .desc = "Battery Present",
600 .id = AXP_SENSOR_BATT_CHARGING,
601 .name = "batcharging",
603 .desc = "Battery Charging",
606 .id = AXP_SENSOR_BATT_CHARGE_STATE,
607 .name = "batchargestate",
609 .desc = "Battery Charge State",
612 .id = AXP_SENSOR_BATT_VOLTAGE,
615 .desc = "Battery Voltage",
618 .id = AXP_SENSOR_BATT_CHARGE_CURRENT,
619 .name = "batchargecurrent",
621 .desc = "Average Battery Charging Current",
624 .id = AXP_SENSOR_BATT_DISCHARGE_CURRENT,
625 .name = "batdischargecurrent",
627 .desc = "Average Battery Discharging Current",
630 .id = AXP_SENSOR_BATT_CAPACITY_PERCENT,
631 .name = "batcapacitypercent",
633 .desc = "Battery Capacity Percentage",
636 .id = AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
637 .name = "batmaxcapacity",
639 .desc = "Battery Maximum Capacity",
642 .id = AXP_SENSOR_BATT_CURRENT_CAPACITY,
643 .name = "batcurrentcapacity",
645 .desc = "Battery Current Capacity",
649 struct axp8xx_config {
651 int batsense_step; /* uV */
652 int charge_step; /* uA */
653 int discharge_step; /* uA */
654 int maxcap_step; /* uAh */
655 int coulomb_step; /* uAh */
658 static struct axp8xx_config axp803_config = {
660 .batsense_step = 1100,
662 .discharge_step = 1000,
664 .coulomb_step = 1456,
669 struct axp8xx_reg_sc {
670 struct regnode *regnode;
672 struct axp8xx_regdef *def;
674 struct regnode_std_param *param;
677 struct axp8xx_softc {
678 struct resource *res;
688 const struct axp8xx_config *config;
691 const struct axp8xx_sensors *sensors;
695 struct axp8xx_reg_sc **regs;
698 /* Warning, shutdown thresholds */
703 #define AXP_LOCK(sc) mtx_lock(&(sc)->mtx)
704 #define AXP_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
707 axp8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size)
709 struct axp8xx_softc *sc;
710 struct iic_msg msg[2];
712 sc = device_get_softc(dev);
714 msg[0].slave = sc->addr;
715 msg[0].flags = IIC_M_WR;
719 msg[1].slave = sc->addr;
720 msg[1].flags = IIC_M_RD;
724 return (iicbus_transfer(dev, msg, 2));
728 axp8xx_write(device_t dev, uint8_t reg, uint8_t val)
730 struct axp8xx_softc *sc;
731 struct iic_msg msg[2];
733 sc = device_get_softc(dev);
735 msg[0].slave = sc->addr;
736 msg[0].flags = IIC_M_WR;
740 msg[1].slave = sc->addr;
741 msg[1].flags = IIC_M_WR;
745 return (iicbus_transfer(dev, msg, 2));
749 axp8xx_regnode_init(struct regnode *regnode)
755 axp8xx_regnode_enable(struct regnode *regnode, bool enable, int *udelay)
757 struct axp8xx_reg_sc *sc;
760 sc = regnode_get_softc(regnode);
763 device_printf(sc->base_dev, "%sable %s (%s)\n",
764 enable ? "En" : "Dis",
765 regnode_get_name(regnode),
768 axp8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
769 val &= ~sc->def->enable_mask;
771 val |= sc->def->enable_value;
773 if (sc->def->disable_value)
774 val |= sc->def->disable_value;
776 val &= ~sc->def->enable_value;
778 axp8xx_write(sc->base_dev, sc->def->enable_reg, val);
786 axp8xx_regnode_reg_to_voltage(struct axp8xx_reg_sc *sc, uint8_t val, int *uv)
788 if (val < sc->def->voltage_nstep1)
789 *uv = sc->def->voltage_min + val * sc->def->voltage_step1;
791 *uv = sc->def->voltage_min +
792 (sc->def->voltage_nstep1 * sc->def->voltage_step1) +
793 ((val - sc->def->voltage_nstep1) * sc->def->voltage_step2);
798 axp8xx_regnode_voltage_to_reg(struct axp8xx_reg_sc *sc, int min_uvolt,
799 int max_uvolt, uint8_t *val)
805 uvolt = sc->def->voltage_min * 1000;
807 for (nstep = 0; nstep < sc->def->voltage_nstep1 && uvolt < min_uvolt;
810 uvolt += (sc->def->voltage_step1 * 1000);
812 for (nstep = 0; nstep < sc->def->voltage_nstep2 && uvolt < min_uvolt;
815 uvolt += (sc->def->voltage_step2 * 1000);
817 if (uvolt > max_uvolt)
825 axp8xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
826 int max_uvolt, int *udelay)
828 struct axp8xx_reg_sc *sc;
831 sc = regnode_get_softc(regnode);
834 device_printf(sc->base_dev, "Setting %s (%s) to %d<->%d\n",
835 regnode_get_name(regnode),
837 min_uvolt, max_uvolt);
839 if (sc->def->voltage_step1 == 0)
842 if (axp8xx_regnode_voltage_to_reg(sc, min_uvolt, max_uvolt, &val) != 0)
845 axp8xx_write(sc->base_dev, sc->def->voltage_reg, val);
853 axp8xx_regnode_get_voltage(struct regnode *regnode, int *uvolt)
855 struct axp8xx_reg_sc *sc;
858 sc = regnode_get_softc(regnode);
860 if (!sc->def->voltage_step1 || !sc->def->voltage_step2)
863 axp8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
864 axp8xx_regnode_reg_to_voltage(sc, val & AXP_VOLTCTL_MASK, uvolt);
869 static regnode_method_t axp8xx_regnode_methods[] = {
870 /* Regulator interface */
871 REGNODEMETHOD(regnode_init, axp8xx_regnode_init),
872 REGNODEMETHOD(regnode_enable, axp8xx_regnode_enable),
873 REGNODEMETHOD(regnode_set_voltage, axp8xx_regnode_set_voltage),
874 REGNODEMETHOD(regnode_get_voltage, axp8xx_regnode_get_voltage),
877 DEFINE_CLASS_1(axp8xx_regnode, axp8xx_regnode_class, axp8xx_regnode_methods,
878 sizeof(struct axp8xx_reg_sc), regnode_class);
881 axp8xx_shutdown(void *devp, int howto)
885 if ((howto & RB_POWEROFF) == 0)
891 device_printf(dev, "Shutdown Axp8xx\n");
893 axp8xx_write(dev, AXP_POWERBAT, AXP_POWERBAT_SHUTDOWN);
897 axp8xx_sysctl_chargecurrent(SYSCTL_HANDLER_ARGS)
903 error = axp8xx_read(dev, AXP_CHARGERCTL1, &data, 1);
908 device_printf(dev, "Raw CHARGECTL1 val: 0x%0x\n", data);
909 val = (data & AXP_CHARGERCTL1_CMASK);
910 error = sysctl_handle_int(oidp, &val, 0, req);
911 if (error || !req->newptr) /* error || read request */
914 if ((val < AXP_CHARGERCTL1_MIN) || (val > AXP_CHARGERCTL1_MAX))
917 val |= (data & (AXP_CHARGERCTL1_CMASK << 4));
918 axp8xx_write(dev, AXP_CHARGERCTL1, val);
924 axp8xx_sysctl(SYSCTL_HANDLER_ARGS)
926 struct axp8xx_softc *sc;
928 enum axp8xx_sensor sensor = arg2;
929 const struct axp8xx_config *c;
931 int val, i, found, batt_val;
934 sc = device_get_softc(dev);
937 for (found = 0, i = 0; i < sc->nsensors; i++) {
938 if (sc->sensors[i].id == sensor) {
948 case AXP_SENSOR_ACIN_PRESENT:
949 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
950 val = !!(data & AXP_POWERSRC_ACIN);
952 case AXP_SENSOR_VBUS_PRESENT:
953 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
954 val = !!(data & AXP_POWERSRC_VBUS);
956 case AXP_SENSOR_BATT_PRESENT:
957 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0) {
958 if (data & AXP_POWERMODE_BAT_VALID)
959 val = !!(data & AXP_POWERMODE_BAT_PRESENT);
962 case AXP_SENSOR_BATT_CHARGING:
963 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0)
964 val = !!(data & AXP_POWERMODE_BAT_CHARGING);
966 case AXP_SENSOR_BATT_CHARGE_STATE:
967 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
968 (data & AXP_BAT_CAP_VALID) != 0) {
969 batt_val = (data & AXP_BAT_CAP_PERCENT);
970 if (batt_val <= sc->shut_thres)
971 val = BATT_CAPACITY_CRITICAL;
972 else if (batt_val <= sc->warn_thres)
973 val = BATT_CAPACITY_WARNING;
975 val = BATT_CAPACITY_NORMAL;
978 case AXP_SENSOR_BATT_CAPACITY_PERCENT:
979 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
980 (data & AXP_BAT_CAP_VALID) != 0)
981 val = (data & AXP_BAT_CAP_PERCENT);
983 case AXP_SENSOR_BATT_VOLTAGE:
984 if (axp8xx_read(dev, AXP_BATSENSE_HI, &hi, 1) == 0 &&
985 axp8xx_read(dev, AXP_BATSENSE_LO, &lo, 1) == 0) {
986 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
987 val *= c->batsense_step;
990 case AXP_SENSOR_BATT_CHARGE_CURRENT:
991 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
992 (data & AXP_POWERSRC_CHARING) != 0 &&
993 axp8xx_read(dev, AXP_BATCHG_HI, &hi, 1) == 0 &&
994 axp8xx_read(dev, AXP_BATCHG_LO, &lo, 1) == 0) {
995 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
996 val *= c->charge_step;
999 case AXP_SENSOR_BATT_DISCHARGE_CURRENT:
1000 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
1001 (data & AXP_POWERSRC_CHARING) == 0 &&
1002 axp8xx_read(dev, AXP_BATDISCHG_HI, &hi, 1) == 0 &&
1003 axp8xx_read(dev, AXP_BATDISCHG_LO, &lo, 1) == 0) {
1004 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
1005 val *= c->discharge_step;
1008 case AXP_SENSOR_BATT_MAXIMUM_CAPACITY:
1009 if (axp8xx_read(dev, AXP_BAT_MAX_CAP_HI, &hi, 1) == 0 &&
1010 axp8xx_read(dev, AXP_BAT_MAX_CAP_LO, &lo, 1) == 0) {
1011 val = AXP_SENSOR_COULOMB(hi, lo);
1012 val *= c->maxcap_step;
1015 case AXP_SENSOR_BATT_CURRENT_CAPACITY:
1016 if (axp8xx_read(dev, AXP_BAT_COULOMB_HI, &hi, 1) == 0 &&
1017 axp8xx_read(dev, AXP_BAT_COULOMB_LO, &lo, 1) == 0) {
1018 val = AXP_SENSOR_COULOMB(hi, lo);
1019 val *= c->coulomb_step;
1024 return sysctl_handle_opaque(oidp, &val, sizeof(val), req);
1028 axp8xx_intr(void *arg)
1036 error = axp8xx_read(dev, AXP_IRQSTAT1, &val, 1);
1042 device_printf(dev, "AXP_IRQSTAT1 val: %x\n", val);
1043 if (val & AXP_IRQSTAT1_ACIN_HI)
1044 devctl_notify("PMU", "AC", "plugged", NULL);
1045 if (val & AXP_IRQSTAT1_ACIN_LO)
1046 devctl_notify("PMU", "AC", "unplugged", NULL);
1047 if (val & AXP_IRQSTAT1_VBUS_HI)
1048 devctl_notify("PMU", "USB", "plugged", NULL);
1049 if (val & AXP_IRQSTAT1_VBUS_LO)
1050 devctl_notify("PMU", "USB", "unplugged", NULL);
1052 axp8xx_write(dev, AXP_IRQSTAT1, val);
1055 error = axp8xx_read(dev, AXP_IRQSTAT2, &val, 1);
1061 device_printf(dev, "AXP_IRQSTAT2 val: %x\n", val);
1062 if (val & AXP_IRQSTAT2_BATCHGD)
1063 devctl_notify("PMU", "Battery", "charged", NULL);
1064 if (val & AXP_IRQSTAT2_BATCHGC)
1065 devctl_notify("PMU", "Battery", "charging", NULL);
1066 if (val & AXP_IRQSTAT2_BAT_NO)
1067 devctl_notify("PMU", "Battery", "absent", NULL);
1068 if (val & AXP_IRQSTAT2_BAT_IN)
1069 devctl_notify("PMU", "Battery", "plugged", NULL);
1071 axp8xx_write(dev, AXP_IRQSTAT2, val);
1074 error = axp8xx_read(dev, AXP_IRQSTAT3, &val, 1);
1080 axp8xx_write(dev, AXP_IRQSTAT3, val);
1083 error = axp8xx_read(dev, AXP_IRQSTAT4, &val, 1);
1089 device_printf(dev, "AXP_IRQSTAT4 val: %x\n", val);
1090 if (val & AXP_IRQSTAT4_BATLVL_LO0)
1091 devctl_notify("PMU", "Battery", "shutdown threshold", NULL);
1092 if (val & AXP_IRQSTAT4_BATLVL_LO1)
1093 devctl_notify("PMU", "Battery", "warning threshold", NULL);
1095 axp8xx_write(dev, AXP_IRQSTAT4, val);
1098 error = axp8xx_read(dev, AXP_IRQSTAT5, &val, 1);
1103 if ((val & AXP_IRQSTAT5_POKSIRQ) != 0) {
1105 device_printf(dev, "Power button pressed\n");
1106 shutdown_nice(RB_POWEROFF);
1109 axp8xx_write(dev, AXP_IRQSTAT5, val);
1112 error = axp8xx_read(dev, AXP_IRQSTAT6, &val, 1);
1118 axp8xx_write(dev, AXP_IRQSTAT6, val);
1123 axp8xx_gpio_get_bus(device_t dev)
1125 struct axp8xx_softc *sc;
1127 sc = device_get_softc(dev);
1129 return (sc->gpiodev);
1133 axp8xx_gpio_pin_max(device_t dev, int *maxpin)
1135 *maxpin = nitems(axp8xx_pins) - 1;
1141 axp8xx_gpio_pin_getname(device_t dev, uint32_t pin, char *name)
1143 if (pin >= nitems(axp8xx_pins))
1146 snprintf(name, GPIOMAXNAME, "%s", axp8xx_pins[pin].name);
1152 axp8xx_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
1154 if (pin >= nitems(axp8xx_pins))
1157 *caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
1163 axp8xx_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
1165 struct axp8xx_softc *sc;
1169 if (pin >= nitems(axp8xx_pins))
1172 sc = device_get_softc(dev);
1175 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1177 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1178 if (func == AXP_GPIO_FUNC_INPUT)
1179 *flags = GPIO_PIN_INPUT;
1180 else if (func == AXP_GPIO_FUNC_DRVLO ||
1181 func == AXP_GPIO_FUNC_DRVHI)
1182 *flags = GPIO_PIN_OUTPUT;
1192 axp8xx_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
1194 struct axp8xx_softc *sc;
1198 if (pin >= nitems(axp8xx_pins))
1201 sc = device_get_softc(dev);
1204 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1206 data &= ~AXP_GPIO_FUNC;
1207 if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) != 0) {
1208 if ((flags & GPIO_PIN_OUTPUT) == 0)
1209 data |= AXP_GPIO_FUNC_INPUT;
1211 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1219 axp8xx_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val)
1221 struct axp8xx_softc *sc;
1225 if (pin >= nitems(axp8xx_pins))
1228 sc = device_get_softc(dev);
1231 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1233 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1235 case AXP_GPIO_FUNC_DRVLO:
1238 case AXP_GPIO_FUNC_DRVHI:
1241 case AXP_GPIO_FUNC_INPUT:
1242 error = axp8xx_read(dev, AXP_GPIO_SIGBIT, &data, 1);
1244 *val = (data & (1 << pin)) ? 1 : 0;
1257 axp8xx_gpio_pin_set(device_t dev, uint32_t pin, unsigned int val)
1259 struct axp8xx_softc *sc;
1263 if (pin >= nitems(axp8xx_pins))
1266 sc = device_get_softc(dev);
1269 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1271 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1273 case AXP_GPIO_FUNC_DRVLO:
1274 case AXP_GPIO_FUNC_DRVHI:
1275 data &= ~AXP_GPIO_FUNC;
1276 data |= (val << AXP_GPIO_FUNC_SHIFT);
1284 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1292 axp8xx_gpio_pin_toggle(device_t dev, uint32_t pin)
1294 struct axp8xx_softc *sc;
1298 if (pin >= nitems(axp8xx_pins))
1301 sc = device_get_softc(dev);
1304 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1306 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1308 case AXP_GPIO_FUNC_DRVLO:
1309 data &= ~AXP_GPIO_FUNC;
1310 data |= (AXP_GPIO_FUNC_DRVHI << AXP_GPIO_FUNC_SHIFT);
1312 case AXP_GPIO_FUNC_DRVHI:
1313 data &= ~AXP_GPIO_FUNC;
1314 data |= (AXP_GPIO_FUNC_DRVLO << AXP_GPIO_FUNC_SHIFT);
1322 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1329 axp8xx_gpio_map_gpios(device_t bus, phandle_t dev, phandle_t gparent,
1330 int gcells, pcell_t *gpios, uint32_t *pin, uint32_t *flags)
1332 if (gpios[0] >= nitems(axp8xx_pins))
1342 axp8xx_get_node(device_t dev, device_t bus)
1344 return (ofw_bus_get_node(dev));
1347 static struct axp8xx_reg_sc *
1348 axp8xx_reg_attach(device_t dev, phandle_t node,
1349 struct axp8xx_regdef *def)
1351 struct axp8xx_reg_sc *reg_sc;
1352 struct regnode_init_def initdef;
1353 struct regnode *regnode;
1355 memset(&initdef, 0, sizeof(initdef));
1356 if (regulator_parse_ofw_stdparam(dev, node, &initdef) != 0)
1358 if (initdef.std_param.min_uvolt == 0)
1359 initdef.std_param.min_uvolt = def->voltage_min * 1000;
1360 if (initdef.std_param.max_uvolt == 0)
1361 initdef.std_param.max_uvolt = def->voltage_max * 1000;
1362 initdef.id = def->id;
1363 initdef.ofw_node = node;
1364 regnode = regnode_create(dev, &axp8xx_regnode_class, &initdef);
1365 if (regnode == NULL) {
1366 device_printf(dev, "cannot create regulator\n");
1370 reg_sc = regnode_get_softc(regnode);
1371 reg_sc->regnode = regnode;
1372 reg_sc->base_dev = dev;
1374 reg_sc->xref = OF_xref_from_node(node);
1375 reg_sc->param = regnode_get_stdparam(regnode);
1377 regnode_register(regnode);
1383 axp8xx_regdev_map(device_t dev, phandle_t xref, int ncells, pcell_t *cells,
1386 struct axp8xx_softc *sc;
1389 sc = device_get_softc(dev);
1390 for (i = 0; i < sc->nregs; i++) {
1391 if (sc->regs[i] == NULL)
1393 if (sc->regs[i]->xref == xref) {
1394 *num = sc->regs[i]->def->id;
1403 axp8xx_probe(device_t dev)
1405 if (!ofw_bus_status_okay(dev))
1408 switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data)
1411 device_set_desc(dev, "X-Powers AXP803 Power Management Unit");
1414 device_set_desc(dev, "X-Powers AXP813 Power Management Unit");
1420 return (BUS_PROBE_DEFAULT);
1424 axp8xx_attach(device_t dev)
1426 struct axp8xx_softc *sc;
1427 struct axp8xx_reg_sc *reg;
1428 uint8_t chip_id, val;
1429 phandle_t rnode, child;
1432 sc = device_get_softc(dev);
1434 sc->addr = iicbus_get_addr(dev);
1435 mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
1437 error = bus_alloc_resources(dev, axp8xx_spec, &sc->res);
1439 device_printf(dev, "cannot allocate resources for device\n");
1444 axp8xx_read(dev, AXP_ICTYPE, &chip_id, 1);
1445 device_printf(dev, "chip ID 0x%02x\n", chip_id);
1448 sc->nregs = nitems(axp8xx_common_regdefs);
1449 sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
1452 sc->nregs += nitems(axp803_regdefs);
1455 sc->nregs += nitems(axp813_regdefs);
1458 sc->config = &axp803_config;
1459 sc->sensors = axp8xx_common_sensors;
1460 sc->nsensors = nitems(axp8xx_common_sensors);
1462 sc->regs = malloc(sizeof(struct axp8xx_reg_sc *) * sc->nregs,
1463 M_AXP8XX_REG, M_WAITOK | M_ZERO);
1465 /* Attach known regulators that exist in the DT */
1466 rnode = ofw_bus_find_child(ofw_bus_get_node(dev), "regulators");
1468 for (i = 0; i < sc->nregs; i++) {
1470 struct axp8xx_regdef *regdef;
1472 if (i <= nitems(axp8xx_common_regdefs)) {
1473 regname = axp8xx_common_regdefs[i].name;
1474 regdef = &axp8xx_common_regdefs[i];
1478 off = i - nitems(axp8xx_common_regdefs);
1481 regname = axp803_regdefs[off].name;
1482 regdef = &axp803_regdefs[off];
1485 regname = axp813_regdefs[off].name;
1486 regdef = &axp813_regdefs[off];
1490 child = ofw_bus_find_child(rnode,
1494 reg = axp8xx_reg_attach(dev, child,
1498 "cannot attach regulator %s\n",
1507 for (i = 0; i < sc->nsensors; i++) {
1508 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1509 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1510 OID_AUTO, sc->sensors[i].name,
1511 CTLTYPE_INT | CTLFLAG_RD,
1512 dev, sc->sensors[i].id, axp8xx_sysctl,
1513 sc->sensors[i].format,
1514 sc->sensors[i].desc);
1516 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1517 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1518 OID_AUTO, "batchargecurrentstep",
1519 CTLTYPE_INT | CTLFLAG_RW,
1520 dev, 0, axp8xx_sysctl_chargecurrent,
1521 "I", "Battery Charging Current Step, "
1522 "0: 200mA, 1: 400mA, 2: 600mA, 3: 800mA, "
1523 "4: 1000mA, 5: 1200mA, 6: 1400mA, 7: 1600mA, "
1524 "8: 1800mA, 9: 2000mA, 10: 2200mA, 11: 2400mA, "
1525 "12: 2600mA, 13: 2800mA");
1527 /* Get thresholds */
1528 if (axp8xx_read(dev, AXP_BAT_CAP_WARN, &val, 1) == 0) {
1529 sc->warn_thres = (val & AXP_BAT_CAP_WARN_LV1) >> 4;
1530 sc->shut_thres = (val & AXP_BAT_CAP_WARN_LV2);
1533 "Raw reg val: 0x%02x\n", val);
1535 "Warning threshold: 0x%02x\n", sc->warn_thres);
1537 "Shutdown threshold: 0x%02x\n", sc->shut_thres);
1541 /* Enable interrupts */
1542 axp8xx_write(dev, AXP_IRQEN1,
1543 AXP_IRQEN1_VBUS_LO |
1544 AXP_IRQEN1_VBUS_HI |
1545 AXP_IRQEN1_ACIN_LO |
1546 AXP_IRQEN1_ACIN_HI);
1547 axp8xx_write(dev, AXP_IRQEN2,
1548 AXP_IRQEN2_BATCHGD |
1549 AXP_IRQEN2_BATCHGC |
1552 axp8xx_write(dev, AXP_IRQEN3, 0);
1553 axp8xx_write(dev, AXP_IRQEN4,
1554 AXP_IRQEN4_BATLVL_LO0 |
1555 AXP_IRQEN4_BATLVL_LO1);
1556 axp8xx_write(dev, AXP_IRQEN5,
1557 AXP_IRQEN5_POKSIRQ |
1558 AXP_IRQEN5_POKLIRQ);
1559 axp8xx_write(dev, AXP_IRQEN6, 0);
1561 /* Install interrupt handler */
1562 error = bus_setup_intr(dev, sc->res, INTR_TYPE_MISC | INTR_MPSAFE,
1563 NULL, axp8xx_intr, dev, &sc->ih);
1565 device_printf(dev, "cannot setup interrupt handler\n");
1569 EVENTHANDLER_REGISTER(shutdown_final, axp8xx_shutdown, dev,
1572 sc->gpiodev = gpiobus_attach_bus(dev);
1577 static device_method_t axp8xx_methods[] = {
1578 /* Device interface */
1579 DEVMETHOD(device_probe, axp8xx_probe),
1580 DEVMETHOD(device_attach, axp8xx_attach),
1582 /* GPIO interface */
1583 DEVMETHOD(gpio_get_bus, axp8xx_gpio_get_bus),
1584 DEVMETHOD(gpio_pin_max, axp8xx_gpio_pin_max),
1585 DEVMETHOD(gpio_pin_getname, axp8xx_gpio_pin_getname),
1586 DEVMETHOD(gpio_pin_getcaps, axp8xx_gpio_pin_getcaps),
1587 DEVMETHOD(gpio_pin_getflags, axp8xx_gpio_pin_getflags),
1588 DEVMETHOD(gpio_pin_setflags, axp8xx_gpio_pin_setflags),
1589 DEVMETHOD(gpio_pin_get, axp8xx_gpio_pin_get),
1590 DEVMETHOD(gpio_pin_set, axp8xx_gpio_pin_set),
1591 DEVMETHOD(gpio_pin_toggle, axp8xx_gpio_pin_toggle),
1592 DEVMETHOD(gpio_map_gpios, axp8xx_gpio_map_gpios),
1594 /* Regdev interface */
1595 DEVMETHOD(regdev_map, axp8xx_regdev_map),
1597 /* OFW bus interface */
1598 DEVMETHOD(ofw_bus_get_node, axp8xx_get_node),
1603 static driver_t axp8xx_driver = {
1606 sizeof(struct axp8xx_softc),
1609 static devclass_t axp8xx_devclass;
1610 extern devclass_t ofwgpiobus_devclass, gpioc_devclass;
1611 extern driver_t ofw_gpiobus_driver, gpioc_driver;
1613 EARLY_DRIVER_MODULE(axp8xx, iicbus, axp8xx_driver, axp8xx_devclass, 0, 0,
1614 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1615 EARLY_DRIVER_MODULE(ofw_gpiobus, axp8xx_pmu, ofw_gpiobus_driver,
1616 ofwgpiobus_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1617 DRIVER_MODULE(gpioc, axp8xx_pmu, gpioc_driver, gpioc_devclass, 0, 0);
1618 MODULE_VERSION(axp8xx, 1);
1619 MODULE_DEPEND(axp8xx, iicbus, 1, 1, 1);