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_IRQEN1 0x40
124 #define AXP_IRQEN1_ACIN_HI (1 << 6)
125 #define AXP_IRQEN1_ACIN_LO (1 << 5)
126 #define AXP_IRQEN1_VBUS_HI (1 << 3)
127 #define AXP_IRQEN1_VBUS_LO (1 << 2)
128 #define AXP_IRQEN2 0x41
129 #define AXP_IRQEN2_BAT_IN (1 << 7)
130 #define AXP_IRQEN2_BAT_NO (1 << 6)
131 #define AXP_IRQEN2_BATCHGC (1 << 3)
132 #define AXP_IRQEN2_BATCHGD (1 << 2)
133 #define AXP_IRQEN3 0x42
134 #define AXP_IRQEN4 0x43
135 #define AXP_IRQEN4_BATLVL_LO1 (1 << 1)
136 #define AXP_IRQEN4_BATLVL_LO0 (1 << 0)
137 #define AXP_IRQEN5 0x44
138 #define AXP_IRQEN5_POKSIRQ (1 << 4)
139 #define AXP_IRQEN5_POKLIRQ (1 << 3)
140 #define AXP_IRQEN6 0x45
141 #define AXP_IRQSTAT1 0x48
142 #define AXP_IRQSTAT1_ACIN_HI (1 << 6)
143 #define AXP_IRQSTAT1_ACIN_LO (1 << 5)
144 #define AXP_IRQSTAT1_VBUS_HI (1 << 3)
145 #define AXP_IRQSTAT1_VBUS_LO (1 << 2)
146 #define AXP_IRQSTAT2 0x49
147 #define AXP_IRQSTAT2_BAT_IN (1 << 7)
148 #define AXP_IRQSTAT2_BAT_NO (1 << 6)
149 #define AXP_IRQSTAT2_BATCHGC (1 << 3)
150 #define AXP_IRQSTAT2_BATCHGD (1 << 2)
151 #define AXP_IRQSTAT3 0x4a
152 #define AXP_IRQSTAT4 0x4b
153 #define AXP_IRQSTAT4_BATLVL_LO1 (1 << 1)
154 #define AXP_IRQSTAT4_BATLVL_LO0 (1 << 0)
155 #define AXP_IRQSTAT5 0x4c
156 #define AXP_IRQSTAT5_POKSIRQ (1 << 4)
157 #define AXP_IRQEN5_POKLIRQ (1 << 3)
158 #define AXP_IRQSTAT6 0x4d
159 #define AXP_BATSENSE_HI 0x78
160 #define AXP_BATSENSE_LO 0x79
161 #define AXP_BATCHG_HI 0x7a
162 #define AXP_BATCHG_LO 0x7b
163 #define AXP_BATDISCHG_HI 0x7c
164 #define AXP_BATDISCHG_LO 0x7d
165 #define AXP_GPIO0_CTRL 0x90
166 #define AXP_GPIO0LDO_CTRL 0x91
167 #define AXP_GPIO1_CTRL 0x92
168 #define AXP_GPIO1LDO_CTRL 0x93
169 #define AXP_GPIO_FUNC (0x7 << 0)
170 #define AXP_GPIO_FUNC_SHIFT 0
171 #define AXP_GPIO_FUNC_DRVLO 0
172 #define AXP_GPIO_FUNC_DRVHI 1
173 #define AXP_GPIO_FUNC_INPUT 2
174 #define AXP_GPIO_FUNC_LDO_ON 3
175 #define AXP_GPIO_FUNC_LDO_OFF 4
176 #define AXP_GPIO_SIGBIT 0x94
177 #define AXP_GPIO_PD 0x97
178 #define AXP_FUEL_GAUGECTL 0xb8
179 #define AXP_FUEL_GAUGECTL_EN (1 << 7)
181 #define AXP_BAT_CAP 0xb9
182 #define AXP_BAT_CAP_VALID (1 << 7)
183 #define AXP_BAT_CAP_PERCENT 0x7f
185 #define AXP_BAT_MAX_CAP_HI 0xe0
186 #define AXP_BAT_MAX_CAP_VALID (1 << 7)
187 #define AXP_BAT_MAX_CAP_LO 0xe1
189 #define AXP_BAT_COULOMB_HI 0xe2
190 #define AXP_BAT_COULOMB_VALID (1 << 7)
191 #define AXP_BAT_COULOMB_LO 0xe3
193 #define AXP_BAT_CAP_WARN 0xe6
194 #define AXP_BAT_CAP_WARN_LV1 0xf0 /* Bits 4, 5, 6, 7 */
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,
438 .voltage_step1 = 100,
439 .voltage_nstep1 = 26,
442 .id = AXP8XX_REG_ID_ALDO2,
444 .enable_reg = AXP_POWERCTL3,
445 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO2,
446 .enable_value = AXP_POWERCTL3_ALDO2,
449 .voltage_step1 = 100,
450 .voltage_nstep1 = 26,
453 .id = AXP8XX_REG_ID_ALDO3,
455 .enable_reg = AXP_POWERCTL3,
456 .enable_mask = (uint8_t) AXP_POWERCTL3_ALDO3,
457 .enable_value = AXP_POWERCTL3_ALDO3,
460 .voltage_step1 = 100,
461 .voltage_nstep1 = 26,
464 .id = AXP8XX_REG_ID_ELDO1,
466 .enable_reg = AXP_POWERCTL2,
467 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO1,
468 .enable_value = AXP_POWERCTL2_ELDO1,
472 .voltage_nstep1 = 24,
475 .id = AXP8XX_REG_ID_ELDO2,
477 .enable_reg = AXP_POWERCTL2,
478 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO2,
479 .enable_value = AXP_POWERCTL2_ELDO2,
483 .voltage_nstep1 = 24,
486 .id = AXP8XX_REG_ID_ELDO3,
488 .enable_reg = AXP_POWERCTL2,
489 .enable_mask = (uint8_t) AXP_POWERCTL2_ELDO3,
490 .enable_value = AXP_POWERCTL2_ELDO3,
494 .voltage_nstep1 = 24,
497 .id = AXP8XX_REG_ID_FLDO1,
499 .enable_reg = AXP_POWERCTL3,
500 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO1,
501 .enable_value = AXP_POWERCTL3_FLDO1,
505 .voltage_nstep1 = 15,
508 .id = AXP8XX_REG_ID_FLDO2,
510 .enable_reg = AXP_POWERCTL3,
511 .enable_mask = (uint8_t) AXP_POWERCTL3_FLDO2,
512 .enable_value = AXP_POWERCTL3_FLDO2,
516 .voltage_nstep1 = 15,
519 .id = AXP8XX_REG_ID_GPIO0_LDO,
521 .enable_reg = AXP_GPIO0_CTRL,
522 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
523 .enable_value = AXP_GPIO_FUNC_LDO_ON,
524 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
525 .voltage_reg = AXP_GPIO0LDO_CTRL,
528 .voltage_step1 = 100,
529 .voltage_nstep1 = 26,
532 .id = AXP8XX_REG_ID_GPIO1_LDO,
534 .enable_reg = AXP_GPIO1_CTRL,
535 .enable_mask = (uint8_t) AXP_GPIO_FUNC,
536 .enable_value = AXP_GPIO_FUNC_LDO_ON,
537 .disable_value = AXP_GPIO_FUNC_LDO_OFF,
538 .voltage_reg = AXP_GPIO1LDO_CTRL,
541 .voltage_step1 = 100,
542 .voltage_nstep1 = 26,
547 AXP_SENSOR_ACIN_PRESENT,
548 AXP_SENSOR_VBUS_PRESENT,
549 AXP_SENSOR_BATT_PRESENT,
550 AXP_SENSOR_BATT_CHARGING,
551 AXP_SENSOR_BATT_CHARGE_STATE,
552 AXP_SENSOR_BATT_VOLTAGE,
553 AXP_SENSOR_BATT_CHARGE_CURRENT,
554 AXP_SENSOR_BATT_DISCHARGE_CURRENT,
555 AXP_SENSOR_BATT_CAPACITY_PERCENT,
556 AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
557 AXP_SENSOR_BATT_CURRENT_CAPACITY,
560 enum battery_capacity_state {
561 BATT_CAPACITY_NORMAL = 1, /* normal cap in battery */
562 BATT_CAPACITY_WARNING, /* warning cap in battery */
563 BATT_CAPACITY_CRITICAL, /* critical cap in battery */
564 BATT_CAPACITY_HIGH, /* high cap in battery */
565 BATT_CAPACITY_MAX, /* maximum cap in battery */
566 BATT_CAPACITY_LOW /* low cap in battery */
569 struct axp8xx_sensors {
576 static const struct axp8xx_sensors axp8xx_common_sensors[] = {
578 .id = AXP_SENSOR_ACIN_PRESENT,
581 .desc = "ACIN Present",
584 .id = AXP_SENSOR_VBUS_PRESENT,
587 .desc = "VBUS Present",
590 .id = AXP_SENSOR_BATT_PRESENT,
593 .desc = "Battery Present",
596 .id = AXP_SENSOR_BATT_CHARGING,
597 .name = "batcharging",
599 .desc = "Battery Charging",
602 .id = AXP_SENSOR_BATT_CHARGE_STATE,
603 .name = "batchargestate",
605 .desc = "Battery Charge State",
608 .id = AXP_SENSOR_BATT_VOLTAGE,
611 .desc = "Battery Voltage",
614 .id = AXP_SENSOR_BATT_CHARGE_CURRENT,
615 .name = "batchargecurrent",
617 .desc = "Battery Charging Current",
620 .id = AXP_SENSOR_BATT_DISCHARGE_CURRENT,
621 .name = "batdischargecurrent",
623 .desc = "Battery Discharging Current",
626 .id = AXP_SENSOR_BATT_CAPACITY_PERCENT,
627 .name = "batcapacitypercent",
629 .desc = "Battery Capacity Percentage",
632 .id = AXP_SENSOR_BATT_MAXIMUM_CAPACITY,
633 .name = "batmaxcapacity",
635 .desc = "Battery Maximum Capacity",
638 .id = AXP_SENSOR_BATT_CURRENT_CAPACITY,
639 .name = "batcurrentcapacity",
641 .desc = "Battery Current Capacity",
645 struct axp8xx_config {
647 int batsense_step; /* uV */
648 int charge_step; /* uA */
649 int discharge_step; /* uA */
650 int maxcap_step; /* uAh */
651 int coulomb_step; /* uAh */
654 static struct axp8xx_config axp803_config = {
656 .batsense_step = 1100,
658 .discharge_step = 1000,
660 .coulomb_step = 1456,
665 struct axp8xx_reg_sc {
666 struct regnode *regnode;
668 struct axp8xx_regdef *def;
670 struct regnode_std_param *param;
673 struct axp8xx_softc {
674 struct resource *res;
684 const struct axp8xx_config *config;
687 const struct axp8xx_sensors *sensors;
691 struct axp8xx_reg_sc **regs;
694 /* Warning, shutdown thresholds */
699 #define AXP_LOCK(sc) mtx_lock(&(sc)->mtx)
700 #define AXP_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
703 axp8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size)
705 struct axp8xx_softc *sc;
706 struct iic_msg msg[2];
708 sc = device_get_softc(dev);
710 msg[0].slave = sc->addr;
711 msg[0].flags = IIC_M_WR;
715 msg[1].slave = sc->addr;
716 msg[1].flags = IIC_M_RD;
720 return (iicbus_transfer(dev, msg, 2));
724 axp8xx_write(device_t dev, uint8_t reg, uint8_t val)
726 struct axp8xx_softc *sc;
727 struct iic_msg msg[2];
729 sc = device_get_softc(dev);
731 msg[0].slave = sc->addr;
732 msg[0].flags = IIC_M_WR;
736 msg[1].slave = sc->addr;
737 msg[1].flags = IIC_M_WR;
741 return (iicbus_transfer(dev, msg, 2));
745 axp8xx_regnode_init(struct regnode *regnode)
751 axp8xx_regnode_enable(struct regnode *regnode, bool enable, int *udelay)
753 struct axp8xx_reg_sc *sc;
756 sc = regnode_get_softc(regnode);
759 device_printf(sc->base_dev, "%sable %s (%s)\n",
760 enable ? "En" : "Dis",
761 regnode_get_name(regnode),
764 axp8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
765 val &= ~sc->def->enable_mask;
767 val |= sc->def->enable_value;
769 if (sc->def->disable_value)
770 val |= sc->def->disable_value;
772 val &= ~sc->def->enable_value;
774 axp8xx_write(sc->base_dev, sc->def->enable_reg, val);
782 axp8xx_regnode_reg_to_voltage(struct axp8xx_reg_sc *sc, uint8_t val, int *uv)
784 if (val < sc->def->voltage_nstep1)
785 *uv = sc->def->voltage_min + val * sc->def->voltage_step1;
787 *uv = sc->def->voltage_min +
788 (sc->def->voltage_nstep1 * sc->def->voltage_step1) +
789 ((val - sc->def->voltage_nstep1) * sc->def->voltage_step2);
794 axp8xx_regnode_voltage_to_reg(struct axp8xx_reg_sc *sc, int min_uvolt,
795 int max_uvolt, uint8_t *val)
801 uvolt = sc->def->voltage_min * 1000;
803 for (nstep = 0; nstep < sc->def->voltage_nstep1 && uvolt < min_uvolt;
806 uvolt += (sc->def->voltage_step1 * 1000);
808 for (nstep = 0; nstep < sc->def->voltage_nstep2 && uvolt < min_uvolt;
811 uvolt += (sc->def->voltage_step2 * 1000);
813 if (uvolt > max_uvolt)
821 axp8xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
822 int max_uvolt, int *udelay)
824 struct axp8xx_reg_sc *sc;
827 sc = regnode_get_softc(regnode);
830 device_printf(sc->base_dev, "Setting %s (%s) to %d<->%d\n",
831 regnode_get_name(regnode),
833 min_uvolt, max_uvolt);
835 if (sc->def->voltage_step1 == 0)
838 if (axp8xx_regnode_voltage_to_reg(sc, min_uvolt, max_uvolt, &val) != 0)
841 axp8xx_write(sc->base_dev, sc->def->voltage_reg, val);
849 axp8xx_regnode_get_voltage(struct regnode *regnode, int *uvolt)
851 struct axp8xx_reg_sc *sc;
854 sc = regnode_get_softc(regnode);
856 if (!sc->def->voltage_step1 || !sc->def->voltage_step2)
859 axp8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
860 axp8xx_regnode_reg_to_voltage(sc, val & AXP_VOLTCTL_MASK, uvolt);
865 static regnode_method_t axp8xx_regnode_methods[] = {
866 /* Regulator interface */
867 REGNODEMETHOD(regnode_init, axp8xx_regnode_init),
868 REGNODEMETHOD(regnode_enable, axp8xx_regnode_enable),
869 REGNODEMETHOD(regnode_set_voltage, axp8xx_regnode_set_voltage),
870 REGNODEMETHOD(regnode_get_voltage, axp8xx_regnode_get_voltage),
873 DEFINE_CLASS_1(axp8xx_regnode, axp8xx_regnode_class, axp8xx_regnode_methods,
874 sizeof(struct axp8xx_reg_sc), regnode_class);
877 axp8xx_shutdown(void *devp, int howto)
881 if ((howto & RB_POWEROFF) == 0)
887 device_printf(dev, "Shutdown Axp8xx\n");
889 axp8xx_write(dev, AXP_POWERBAT, AXP_POWERBAT_SHUTDOWN);
893 axp8xx_sysctl(SYSCTL_HANDLER_ARGS)
895 struct axp8xx_softc *sc;
897 enum axp8xx_sensor sensor = arg2;
898 const struct axp8xx_config *c;
900 int val, i, found, batt_val;
903 sc = device_get_softc(dev);
906 for (found = 0, i = 0; i < sc->nsensors; i++) {
907 if (sc->sensors[i].id == sensor) {
917 case AXP_SENSOR_ACIN_PRESENT:
918 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
919 val = !!(data & AXP_POWERSRC_ACIN);
921 case AXP_SENSOR_VBUS_PRESENT:
922 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0)
923 val = !!(data & AXP_POWERSRC_VBUS);
925 case AXP_SENSOR_BATT_PRESENT:
926 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0) {
927 if (data & AXP_POWERMODE_BAT_VALID)
928 val = !!(data & AXP_POWERMODE_BAT_PRESENT);
931 case AXP_SENSOR_BATT_CHARGING:
932 if (axp8xx_read(dev, AXP_POWERMODE, &data, 1) == 0)
933 val = !!(data & AXP_POWERMODE_BAT_CHARGING);
935 case AXP_SENSOR_BATT_CHARGE_STATE:
936 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
937 (data & AXP_BAT_CAP_VALID) != 0) {
938 batt_val = (data & AXP_BAT_CAP_PERCENT);
939 if (batt_val <= sc->shut_thres)
940 val = BATT_CAPACITY_CRITICAL;
941 else if (batt_val <= sc->warn_thres)
942 val = BATT_CAPACITY_WARNING;
944 val = BATT_CAPACITY_NORMAL;
947 case AXP_SENSOR_BATT_CAPACITY_PERCENT:
948 if (axp8xx_read(dev, AXP_BAT_CAP, &data, 1) == 0 &&
949 (data & AXP_BAT_CAP_VALID) != 0)
950 val = (data & AXP_BAT_CAP_PERCENT);
952 case AXP_SENSOR_BATT_VOLTAGE:
953 if (axp8xx_read(dev, AXP_BATSENSE_HI, &hi, 1) == 0 &&
954 axp8xx_read(dev, AXP_BATSENSE_LO, &lo, 1) == 0) {
955 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
956 val *= c->batsense_step;
959 case AXP_SENSOR_BATT_CHARGE_CURRENT:
960 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
961 (data & AXP_POWERSRC_CHARING) != 0 &&
962 axp8xx_read(dev, AXP_BATCHG_HI, &hi, 1) == 0 &&
963 axp8xx_read(dev, AXP_BATCHG_LO, &lo, 1) == 0) {
964 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
965 val *= c->charge_step;
968 case AXP_SENSOR_BATT_DISCHARGE_CURRENT:
969 if (axp8xx_read(dev, AXP_POWERSRC, &data, 1) == 0 &&
970 (data & AXP_POWERSRC_CHARING) == 0 &&
971 axp8xx_read(dev, AXP_BATDISCHG_HI, &hi, 1) == 0 &&
972 axp8xx_read(dev, AXP_BATDISCHG_LO, &lo, 1) == 0) {
973 val = (AXP_SENSOR_BAT_H(hi) | AXP_SENSOR_BAT_L(lo));
974 val *= c->discharge_step;
977 case AXP_SENSOR_BATT_MAXIMUM_CAPACITY:
978 if (axp8xx_read(dev, AXP_BAT_MAX_CAP_HI, &hi, 1) == 0 &&
979 axp8xx_read(dev, AXP_BAT_MAX_CAP_LO, &lo, 1) == 0) {
980 val = AXP_SENSOR_COULOMB(hi, lo);
981 val *= c->maxcap_step;
984 case AXP_SENSOR_BATT_CURRENT_CAPACITY:
985 if (axp8xx_read(dev, AXP_BAT_COULOMB_HI, &hi, 1) == 0 &&
986 axp8xx_read(dev, AXP_BAT_COULOMB_LO, &lo, 1) == 0) {
987 val = AXP_SENSOR_COULOMB(hi, lo);
988 val *= c->coulomb_step;
993 return sysctl_handle_opaque(oidp, &val, sizeof(val), req);
997 axp8xx_intr(void *arg)
1005 error = axp8xx_read(dev, AXP_IRQSTAT1, &val, 1);
1011 device_printf(dev, "AXP_IRQSTAT1 val: %x\n", val);
1012 if (val & AXP_IRQSTAT1_ACIN_HI)
1013 devctl_notify("PMU", "AC", "plugged", NULL);
1014 if (val & AXP_IRQSTAT1_ACIN_LO)
1015 devctl_notify("PMU", "AC", "unplugged", NULL);
1016 if (val & AXP_IRQSTAT1_VBUS_HI)
1017 devctl_notify("PMU", "USB", "plugged", NULL);
1018 if (val & AXP_IRQSTAT1_VBUS_LO)
1019 devctl_notify("PMU", "USB", "unplugged", NULL);
1021 axp8xx_write(dev, AXP_IRQSTAT1, val);
1024 error = axp8xx_read(dev, AXP_IRQSTAT2, &val, 1);
1030 device_printf(dev, "AXP_IRQSTAT2 val: %x\n", val);
1031 if (val & AXP_IRQSTAT2_BATCHGD)
1032 devctl_notify("PMU", "Battery", "charged", NULL);
1033 if (val & AXP_IRQSTAT2_BATCHGC)
1034 devctl_notify("PMU", "Battery", "charging", NULL);
1035 if (val & AXP_IRQSTAT2_BAT_NO)
1036 devctl_notify("PMU", "Battery", "absent", NULL);
1037 if (val & AXP_IRQSTAT2_BAT_IN)
1038 devctl_notify("PMU", "Battery", "plugged", NULL);
1040 axp8xx_write(dev, AXP_IRQSTAT2, val);
1043 error = axp8xx_read(dev, AXP_IRQSTAT3, &val, 1);
1049 axp8xx_write(dev, AXP_IRQSTAT3, val);
1052 error = axp8xx_read(dev, AXP_IRQSTAT4, &val, 1);
1058 device_printf(dev, "AXP_IRQSTAT4 val: %x\n", val);
1059 if (val & AXP_IRQSTAT4_BATLVL_LO0)
1060 devctl_notify("PMU", "Battery", "lower than level 2", NULL);
1061 if (val & AXP_IRQSTAT4_BATLVL_LO1)
1062 devctl_notify("PMU", "Battery", "lower than level 1", NULL);
1064 axp8xx_write(dev, AXP_IRQSTAT4, val);
1067 error = axp8xx_read(dev, AXP_IRQSTAT5, &val, 1);
1072 if ((val & AXP_IRQSTAT5_POKSIRQ) != 0) {
1074 device_printf(dev, "Power button pressed\n");
1075 shutdown_nice(RB_POWEROFF);
1078 axp8xx_write(dev, AXP_IRQSTAT5, val);
1081 error = axp8xx_read(dev, AXP_IRQSTAT6, &val, 1);
1087 axp8xx_write(dev, AXP_IRQSTAT6, val);
1092 axp8xx_gpio_get_bus(device_t dev)
1094 struct axp8xx_softc *sc;
1096 sc = device_get_softc(dev);
1098 return (sc->gpiodev);
1102 axp8xx_gpio_pin_max(device_t dev, int *maxpin)
1104 *maxpin = nitems(axp8xx_pins) - 1;
1110 axp8xx_gpio_pin_getname(device_t dev, uint32_t pin, char *name)
1112 if (pin >= nitems(axp8xx_pins))
1115 snprintf(name, GPIOMAXNAME, "%s", axp8xx_pins[pin].name);
1121 axp8xx_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
1123 if (pin >= nitems(axp8xx_pins))
1126 *caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
1132 axp8xx_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
1134 struct axp8xx_softc *sc;
1138 if (pin >= nitems(axp8xx_pins))
1141 sc = device_get_softc(dev);
1144 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1146 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1147 if (func == AXP_GPIO_FUNC_INPUT)
1148 *flags = GPIO_PIN_INPUT;
1149 else if (func == AXP_GPIO_FUNC_DRVLO ||
1150 func == AXP_GPIO_FUNC_DRVHI)
1151 *flags = GPIO_PIN_OUTPUT;
1161 axp8xx_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
1163 struct axp8xx_softc *sc;
1167 if (pin >= nitems(axp8xx_pins))
1170 sc = device_get_softc(dev);
1173 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1175 data &= ~AXP_GPIO_FUNC;
1176 if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) != 0) {
1177 if ((flags & GPIO_PIN_OUTPUT) == 0)
1178 data |= AXP_GPIO_FUNC_INPUT;
1180 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1188 axp8xx_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val)
1190 struct axp8xx_softc *sc;
1194 if (pin >= nitems(axp8xx_pins))
1197 sc = device_get_softc(dev);
1200 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1202 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1204 case AXP_GPIO_FUNC_DRVLO:
1207 case AXP_GPIO_FUNC_DRVHI:
1210 case AXP_GPIO_FUNC_INPUT:
1211 error = axp8xx_read(dev, AXP_GPIO_SIGBIT, &data, 1);
1213 *val = (data & (1 << pin)) ? 1 : 0;
1226 axp8xx_gpio_pin_set(device_t dev, uint32_t pin, unsigned int val)
1228 struct axp8xx_softc *sc;
1232 if (pin >= nitems(axp8xx_pins))
1235 sc = device_get_softc(dev);
1238 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1240 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1242 case AXP_GPIO_FUNC_DRVLO:
1243 case AXP_GPIO_FUNC_DRVHI:
1244 data &= ~AXP_GPIO_FUNC;
1245 data |= (val << AXP_GPIO_FUNC_SHIFT);
1253 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1261 axp8xx_gpio_pin_toggle(device_t dev, uint32_t pin)
1263 struct axp8xx_softc *sc;
1267 if (pin >= nitems(axp8xx_pins))
1270 sc = device_get_softc(dev);
1273 error = axp8xx_read(dev, axp8xx_pins[pin].ctrl_reg, &data, 1);
1275 func = (data & AXP_GPIO_FUNC) >> AXP_GPIO_FUNC_SHIFT;
1277 case AXP_GPIO_FUNC_DRVLO:
1278 data &= ~AXP_GPIO_FUNC;
1279 data |= (AXP_GPIO_FUNC_DRVHI << AXP_GPIO_FUNC_SHIFT);
1281 case AXP_GPIO_FUNC_DRVHI:
1282 data &= ~AXP_GPIO_FUNC;
1283 data |= (AXP_GPIO_FUNC_DRVLO << AXP_GPIO_FUNC_SHIFT);
1291 error = axp8xx_write(dev, axp8xx_pins[pin].ctrl_reg, data);
1298 axp8xx_gpio_map_gpios(device_t bus, phandle_t dev, phandle_t gparent,
1299 int gcells, pcell_t *gpios, uint32_t *pin, uint32_t *flags)
1301 if (gpios[0] >= nitems(axp8xx_pins))
1311 axp8xx_get_node(device_t dev, device_t bus)
1313 return (ofw_bus_get_node(dev));
1316 static struct axp8xx_reg_sc *
1317 axp8xx_reg_attach(device_t dev, phandle_t node,
1318 struct axp8xx_regdef *def)
1320 struct axp8xx_reg_sc *reg_sc;
1321 struct regnode_init_def initdef;
1322 struct regnode *regnode;
1324 memset(&initdef, 0, sizeof(initdef));
1325 if (regulator_parse_ofw_stdparam(dev, node, &initdef) != 0)
1327 if (initdef.std_param.min_uvolt == 0)
1328 initdef.std_param.min_uvolt = def->voltage_min * 1000;
1329 if (initdef.std_param.max_uvolt == 0)
1330 initdef.std_param.max_uvolt = def->voltage_max * 1000;
1331 initdef.id = def->id;
1332 initdef.ofw_node = node;
1333 regnode = regnode_create(dev, &axp8xx_regnode_class, &initdef);
1334 if (regnode == NULL) {
1335 device_printf(dev, "cannot create regulator\n");
1339 reg_sc = regnode_get_softc(regnode);
1340 reg_sc->regnode = regnode;
1341 reg_sc->base_dev = dev;
1343 reg_sc->xref = OF_xref_from_node(node);
1344 reg_sc->param = regnode_get_stdparam(regnode);
1346 regnode_register(regnode);
1352 axp8xx_regdev_map(device_t dev, phandle_t xref, int ncells, pcell_t *cells,
1355 struct axp8xx_softc *sc;
1358 sc = device_get_softc(dev);
1359 for (i = 0; i < sc->nregs; i++) {
1360 if (sc->regs[i] == NULL)
1362 if (sc->regs[i]->xref == xref) {
1363 *num = sc->regs[i]->def->id;
1372 axp8xx_probe(device_t dev)
1374 if (!ofw_bus_status_okay(dev))
1377 switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data)
1380 device_set_desc(dev, "X-Powers AXP803 Power Management Unit");
1383 device_set_desc(dev, "X-Powers AXP813 Power Management Unit");
1389 return (BUS_PROBE_DEFAULT);
1393 axp8xx_attach(device_t dev)
1395 struct axp8xx_softc *sc;
1396 struct axp8xx_reg_sc *reg;
1397 uint8_t chip_id, val;
1398 phandle_t rnode, child;
1401 sc = device_get_softc(dev);
1403 sc->addr = iicbus_get_addr(dev);
1404 mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
1406 error = bus_alloc_resources(dev, axp8xx_spec, &sc->res);
1408 device_printf(dev, "cannot allocate resources for device\n");
1413 axp8xx_read(dev, AXP_ICTYPE, &chip_id, 1);
1414 device_printf(dev, "chip ID 0x%02x\n", chip_id);
1417 sc->nregs = nitems(axp8xx_common_regdefs);
1418 sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
1421 sc->nregs += nitems(axp803_regdefs);
1424 sc->nregs += nitems(axp813_regdefs);
1427 sc->config = &axp803_config;
1428 sc->sensors = axp8xx_common_sensors;
1429 sc->nsensors = nitems(axp8xx_common_sensors);
1431 sc->regs = malloc(sizeof(struct axp8xx_reg_sc *) * sc->nregs,
1432 M_AXP8XX_REG, M_WAITOK | M_ZERO);
1434 /* Attach known regulators that exist in the DT */
1435 rnode = ofw_bus_find_child(ofw_bus_get_node(dev), "regulators");
1437 for (i = 0; i < sc->nregs; i++) {
1439 struct axp8xx_regdef *regdef;
1441 if (i <= nitems(axp8xx_common_regdefs)) {
1442 regname = axp8xx_common_regdefs[i].name;
1443 regdef = &axp8xx_common_regdefs[i];
1447 off = i - nitems(axp8xx_common_regdefs);
1450 regname = axp803_regdefs[off].name;
1451 regdef = &axp803_regdefs[off];
1454 regname = axp813_regdefs[off].name;
1455 regdef = &axp813_regdefs[off];
1459 child = ofw_bus_find_child(rnode,
1463 reg = axp8xx_reg_attach(dev, child,
1467 "cannot attach regulator %s\n",
1476 for (i = 0; i < sc->nsensors; i++) {
1477 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1478 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1479 OID_AUTO, sc->sensors[i].name,
1480 CTLTYPE_INT | CTLFLAG_RD,
1481 dev, sc->sensors[i].id, axp8xx_sysctl,
1482 sc->sensors[i].format,
1483 sc->sensors[i].desc);
1486 /* Get thresholds */
1487 if (axp8xx_read(dev, AXP_BAT_CAP_WARN, &val, 1) == 0) {
1488 sc->warn_thres = (val & AXP_BAT_CAP_WARN_LV1) >> 4;
1489 sc->shut_thres = (val & AXP_BAT_CAP_WARN_LV2);
1492 "Raw reg val: 0x%02x\n", val);
1494 "Warning threshold: 0x%02x\n", sc->warn_thres);
1496 "Shutdown threshold: 0x%02x\n", sc->shut_thres);
1500 /* Enable interrupts */
1501 axp8xx_write(dev, AXP_IRQEN1,
1502 AXP_IRQEN1_VBUS_LO |
1503 AXP_IRQEN1_VBUS_HI |
1504 AXP_IRQEN1_ACIN_LO |
1505 AXP_IRQEN1_ACIN_HI);
1506 axp8xx_write(dev, AXP_IRQEN2,
1507 AXP_IRQEN2_BATCHGD |
1508 AXP_IRQEN2_BATCHGC |
1511 axp8xx_write(dev, AXP_IRQEN3, 0);
1512 axp8xx_write(dev, AXP_IRQEN4,
1513 AXP_IRQEN4_BATLVL_LO0 |
1514 AXP_IRQEN4_BATLVL_LO1);
1515 axp8xx_write(dev, AXP_IRQEN5,
1516 AXP_IRQEN5_POKSIRQ |
1517 AXP_IRQEN5_POKLIRQ);
1518 axp8xx_write(dev, AXP_IRQEN6, 0);
1520 /* Install interrupt handler */
1521 error = bus_setup_intr(dev, sc->res, INTR_TYPE_MISC | INTR_MPSAFE,
1522 NULL, axp8xx_intr, dev, &sc->ih);
1524 device_printf(dev, "cannot setup interrupt handler\n");
1528 EVENTHANDLER_REGISTER(shutdown_final, axp8xx_shutdown, dev,
1531 sc->gpiodev = gpiobus_attach_bus(dev);
1536 static device_method_t axp8xx_methods[] = {
1537 /* Device interface */
1538 DEVMETHOD(device_probe, axp8xx_probe),
1539 DEVMETHOD(device_attach, axp8xx_attach),
1541 /* GPIO interface */
1542 DEVMETHOD(gpio_get_bus, axp8xx_gpio_get_bus),
1543 DEVMETHOD(gpio_pin_max, axp8xx_gpio_pin_max),
1544 DEVMETHOD(gpio_pin_getname, axp8xx_gpio_pin_getname),
1545 DEVMETHOD(gpio_pin_getcaps, axp8xx_gpio_pin_getcaps),
1546 DEVMETHOD(gpio_pin_getflags, axp8xx_gpio_pin_getflags),
1547 DEVMETHOD(gpio_pin_setflags, axp8xx_gpio_pin_setflags),
1548 DEVMETHOD(gpio_pin_get, axp8xx_gpio_pin_get),
1549 DEVMETHOD(gpio_pin_set, axp8xx_gpio_pin_set),
1550 DEVMETHOD(gpio_pin_toggle, axp8xx_gpio_pin_toggle),
1551 DEVMETHOD(gpio_map_gpios, axp8xx_gpio_map_gpios),
1553 /* Regdev interface */
1554 DEVMETHOD(regdev_map, axp8xx_regdev_map),
1556 /* OFW bus interface */
1557 DEVMETHOD(ofw_bus_get_node, axp8xx_get_node),
1562 static driver_t axp8xx_driver = {
1565 sizeof(struct axp8xx_softc),
1568 static devclass_t axp8xx_devclass;
1569 extern devclass_t ofwgpiobus_devclass, gpioc_devclass;
1570 extern driver_t ofw_gpiobus_driver, gpioc_driver;
1572 EARLY_DRIVER_MODULE(axp8xx, iicbus, axp8xx_driver, axp8xx_devclass, 0, 0,
1573 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1574 EARLY_DRIVER_MODULE(ofw_gpiobus, axp8xx_pmu, ofw_gpiobus_driver,
1575 ofwgpiobus_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
1576 DRIVER_MODULE(gpioc, axp8xx_pmu, gpioc_driver, gpioc_devclass, 0, 0);
1577 MODULE_VERSION(axp8xx, 1);
1578 MODULE_DEPEND(axp8xx, iicbus, 1, 1, 1);