1 **General Properties** <<
2 <<
3 What: /sys/class/power_supply/<suppl <<
4 Date: May 2007 <<
5 Contact: linux-pm@vger.kernel.org <<
6 Description: <<
7 Reports the name of the device <<
8 <<
9 Access: Read <<
10 Valid values: Represented as s <<
11 <<
12 What: /sys/class/power_supply/<suppl <<
13 Date: May 2007 <<
14 Contact: linux-pm@vger.kernel.org <<
15 Description: <<
16 Reports the name of the device <<
17 <<
18 Access: Read <<
19 Valid values: Represented as s <<
20 <<
21 What: /sys/class/power_supply/<suppl <<
22 Date: January 2008 <<
23 Contact: linux-pm@vger.kernel.org <<
24 Description: <<
25 Reports the serial number of t <<
26 <<
27 Access: Read <<
28 Valid values: Represented as s <<
29 <<
30 What: /sys/class/power_supply/<suppl <<
31 Date: May 2010 <<
32 Contact: linux-pm@vger.kernel.org <<
33 Description: <<
34 Describes the main type of the <<
35 <<
36 Access: Read <<
37 Valid values: "Battery", "UPS" <<
38 <<
39 **Battery and USB properties** <<
40 <<
41 What: /sys/class/power_supply/<suppl <<
42 Date: May 2007 <<
43 Contact: linux-pm@vger.kernel.org <<
44 Description: <<
45 Battery: <<
46 <<
47 Reports an average IBAT curr <<
48 a fixed period. Normally dev <<
49 in which they average readin <<
50 value. <<
51 <<
52 USB: <<
53 <<
54 Reports an average IBUS curr <<
55 Normally devices will provid <<
56 average readings to smooth o <<
57 <<
58 Access: Read <<
59 <<
60 Valid values: Represented in m <<
61 used for discharging batteries <<
62 batteries and for USB IBUS cur <<
63 <<
64 What: /sys/class/power_supply/<suppl <<
65 Date: October 2010 <<
66 Contact: linux-pm@vger.kernel.org <<
67 Description: <<
68 Battery: <<
69 <<
70 Reports the maximum IBAT cur <<
71 <<
72 USB: <<
73 <<
74 Reports the maximum IBUS cur <<
75 <<
76 Access: Read <<
77 Valid values: Represented in m <<
78 <<
79 What: /sys/class/power_supply/<suppl <<
80 Date: May 2007 <<
81 Contact: linux-pm@vger.kernel.org <<
82 Description: <<
83 <<
84 Battery: <<
85 <<
86 Reports an instant, single I <<
87 battery. This value is not a <<
88 <<
89 Access: Read <<
90 <<
91 USB: <<
92 <<
93 Reports the IBUS current sup <<
94 read-only reporting, unless <<
95 is set to be programmable, i <<
96 within the reported min/max <<
97 <<
98 Access: Read, Write <<
99 <<
100 Valid values: Represented in m <<
101 used for discharging batteries <<
102 batteries and for USB IBUS cur <<
103 <<
104 What: /sys/class/power_supply/<suppl <<
105 Date: May 2007 <<
106 Contact: linux-pm@vger.kernel.org <<
107 Description: <<
108 Battery: <<
109 <<
110 Reports the current TBAT bat <<
111 <<
112 USB: <<
113 <<
114 Reports the current supply t <<
115 normally be the internal tem <<
116 (e.g TJUNC temperature of an <<
117 <<
118 Access: Read <<
119 <<
120 Valid values: Represented in 1 <<
121 <<
122 What: /sys/class/power_supply/<suppl <<
123 Date: July 2012 <<
124 Contact: linux-pm@vger.kernel.org <<
125 Description: <<
126 Battery: <<
127 <<
128 Maximum TBAT temperature tri <<
129 notify user-space of the eve <<
130 <<
131 USB: <<
132 <<
133 Maximum supply temperature t <<
134 will notify user-space of th <<
135 <<
136 This is normally used for the <<
137 user-space needs to know if th <<
138 upper threshold so it can take <<
139 user that the temperature is c <<
140 stopped). <<
141 <<
142 Access: Read <<
143 <<
144 Valid values: Represented in 1 <<
145 <<
146 What: /sys/class/power_supply/<suppl <<
147 Date: July 2012 <<
148 Contact: linux-pm@vger.kernel.org <<
149 Description: <<
150 <<
151 Battery: <<
152 <<
153 Minimum TBAT temperature tri <<
154 notify user-space of the eve <<
155 <<
156 USB: <<
157 <<
158 Minimum supply temperature t <<
159 will notify user-space of th <<
160 <<
161 This is normally used for the <<
162 needs to know if the temperatu <<
163 so it can take appropriate act <<
164 temperature level is high, and <<
165 reduced accordingly to remedy <<
166 <<
167 Access: Read <<
168 <<
169 Valid values: Represented in 1 <<
170 <<
171 What: /sys/class/power_supply/<suppl <<
172 Date: July 2014 <<
173 Contact: linux-pm@vger.kernel.org <<
174 Description: <<
175 Battery: <<
176 <<
177 Reports the maximum allowed <<
178 charging. <<
179 <<
180 USB: <<
181 <<
182 Reports the maximum allowed <<
183 <<
184 Access: Read <<
185 <<
186 Valid values: Represented in 1 <<
187 <<
188 What: /sys/class/power_supply/<suppl <<
189 Date: July 2014 <<
190 Contact: linux-pm@vger.kernel.org <<
191 Description: <<
192 Battery: <<
193 <<
194 Reports the minimum allowed <<
195 charging. <<
196 <<
197 USB: <<
198 <<
199 Reports the minimum allowed <<
200 <<
201 Access: Read <<
202 <<
203 Valid values: Represented in 1 <<
204 <<
205 What: /sys/class/power_supply/<suppl <<
206 Date: January 2008 <<
207 Contact: linux-pm@vger.kernel.org <<
208 Description: <<
209 Battery: <<
210 <<
211 Reports the maximum safe VBA <<
212 battery, during charging. <<
213 <<
214 USB: <<
215 <<
216 Reports the maximum VBUS vol <<
217 <<
218 Access: Read <<
219 <<
220 Valid values: Represented in m <<
221 <<
222 What: /sys/class/power_supply/<suppl <<
223 Date: January 2008 <<
224 Contact: linux-pm@vger.kernel.org <<
225 Description: <<
226 Battery: <<
227 <<
228 Reports the minimum safe VBA <<
229 battery, during discharging. <<
230 <<
231 USB: <<
232 <<
233 Reports the minimum VBUS vol <<
234 <<
235 Access: Read <<
236 <<
237 Valid values: Represented in m <<
238 <<
239 What: /sys/class/power_supply/<suppl <<
240 Date: May 2007 <<
241 Contact: linux-pm@vger.kernel.org <<
242 Description: <<
243 Battery: <<
244 <<
245 Reports an instant, single V <<
246 battery. This value is not a <<
247 <<
248 Access: Read <<
249 <<
250 USB: <<
251 <<
252 Reports the VBUS voltage sup <<
253 read-only reporting, unless <<
254 is set to be programmable, i <<
255 within the reported min/max <<
256 <<
257 Access: Read, Write <<
258 <<
259 Valid values: Represented in m <<
260 <<
261 **Battery Properties** <<
262 <<
263 What: /sys/class/power_supply/<suppl <<
264 Date: May 2007 <<
265 Contact: linux-pm@vger.kernel.org <<
266 Description: <<
267 Fine grain representation of b <<
268 <<
269 Access: Read <<
270 <<
271 Valid values: 0 - 100 (percent <<
272 <<
273 What: /sys/class/power_supply/<suppl <<
274 Date: July 2012 <<
275 Contact: linux-pm@vger.kernel.org <<
276 Description: <<
277 Maximum battery capacity trip- <<
278 notify user-space of the event <<
279 battery discharging scenario w <<
280 battery has dropped to an uppe <<
281 appropriate action (e.g. warni <<
282 low). <<
283 <<
284 Access: Read, Write <<
285 <<
286 Valid values: 0 - 100 (percent <<
287 <<
288 What: /sys/class/power_supply/<suppl <<
289 Date: July 2012 <<
290 Contact: linux-pm@vger.kernel.org <<
291 Description: <<
292 Minimum battery capacity trip- <<
293 notify user-space of the event <<
294 battery discharging scenario w <<
295 battery has dropped to a lower <<
296 appropriate action (e.g. warni <<
297 critically low). <<
298 <<
299 Access: Read, Write <<
300 <<
301 Valid values: 0 - 100 (percent <<
302 <<
303 What: /sys/class/power_supply/<suppl <<
304 Date: April 2019 <<
305 Contact: linux-pm@vger.kernel.org <<
306 Description: <<
307 Battery capacity measurement b <<
308 recalibration. This values pro <<
309 margin expected to exist by th <<
310 Values close to 0% will be ret <<
311 has happened. Over time the er <<
312 100% means, that the capacity <<
313 completely useless. <<
314 <<
315 Access: Read <<
316 <<
317 Valid values: 0 - 100 (percent <<
318 <<
319 What: /sys/class/power_supply/<suppl <<
320 Date: June 2009 <<
321 Contact: linux-pm@vger.kernel.org <<
322 Description: <<
323 Coarse representation of batte <<
324 <<
325 Access: Read <<
326 <<
327 Valid values: <<
328 "Unknown", "Crit <<
329 "Full" <<
330 <<
331 What: /sys/class/power_supply/<suppl <<
332 Date: Oct 2012 <<
333 Contact: linux-pm@vger.kernel.org <<
334 Description: <<
335 Maximum allowable charging cur <<
336 throttling for thermal cooling <<
337 <<
338 Access: Read, Write <<
339 <<
340 Valid values: Represented in m <<
341 <<
342 What: /sys/class/power_supply/<suppl <<
343 Date: Oct 2012 <<
344 Contact: linux-pm@vger.kernel.org <<
345 Description: <<
346 Maximum legal value for the ch <<
347 <<
348 Access: Read <<
349 <<
350 Valid values: Represented in m <<
351 <<
352 What: /sys/class/power_supply/<suppl <<
353 Date: April 2019 <<
354 Contact: linux-pm@vger.kernel.org <<
355 Description: <<
356 Represents a battery percentag <<
357 begin. <<
358 <<
359 Access: Read, Write <<
360 Valid values: 0 - 100 (percent <<
361 <<
362 What: /sys/class/power_supply/<suppl <<
363 Date: April 2019 <<
364 Contact: linux-pm@vger.kernel.org <<
365 Description: <<
366 Represents a battery percentag <<
367 stop. Not all hardware is capa <<
368 percentage. Drivers will round <<
369 supported value. Reading back <<
370 threshold set by the driver. <<
371 <<
372 Access: Read, Write <<
373 <<
374 Valid values: 0 - 100 (percent <<
375 <<
376 What: /sys/class/power_supply/<suppl <<
377 Date: July 2009 <<
378 Contact: linux-pm@vger.kernel.org <<
379 Description: <<
380 Select the charging algorithm <<
381 <<
382 Standard: <<
383 Fully charge the batte <<
384 Fast: <<
385 Quickly charge the bat <<
386 technology. This is ty <<
387 than standard charging <<
388 Trickle: <<
389 Users who primarily op <<
390 plugged into an extern <<
391 battery life with this <<
392 call this "Primarily A <<
393 Adaptive: <<
394 Automatically optimize <<
395 on typical usage patte <<
396 Custom: <<
397 Use the charge_control <<
398 when to start and stop <<
399 can use this to drasti <<
400 Long Life: <<
401 The charger reduces it <<
402 prolong the battery he <<
403 Bypass: <<
404 The charger bypasses t <<
405 integrated converter a <<
406 adaptor to perform the <<
407 <<
408 Access: Read, Write <<
409 <<
410 Valid values: <<
411 "Unknown", "N/A" <<
412 "Adaptive", "Cus <<
413 <<
414 What: /sys/class/power_supply/<suppl <<
415 Date: July 2014 <<
416 Contact: linux-pm@vger.kernel.org <<
417 Description: <<
418 Reports the charging current v <<
419 when the battery is considered <<
420 <<
421 Access: Read <<
422 <<
423 Valid values: Represented in m <<
424 <<
425 What: /sys/class/power_supply/<suppl <<
426 Date: May 2007 <<
427 Contact: linux-pm@vger.kernel.org <<
428 Description: <<
429 Reports the health of the batt <<
430 functionality. <<
431 <<
432 Access: Read <<
433 <<
434 Valid values: <<
435 "Unknown", "Good <<
436 "Over voltage", <<
437 "Watchdog timer <<
438 "Over current", <<
439 "Cool", "Hot", " <<
440 <<
441 What: /sys/class/power_supply/<suppl <<
442 Date: June 2017 <<
443 Contact: linux-pm@vger.kernel.org <<
444 Description: <<
445 Reports the charging current a <<
446 for a battery charge cycle. <<
447 <<
448 Access: Read <<
449 <<
450 Valid values: Represented in m <<
451 <<
452 What: /sys/class/power_supply/<suppl <<
453 Date: May 2007 <<
454 Contact: linux-pm@vger.kernel.org <<
455 Description: <<
456 Reports whether a battery is p <<
457 property does not exist, the b <<
458 <<
459 Access: Read <<
460 <<
461 Valid values: <<
462 <<
463 == ======= <<
464 0: Absent <<
465 1: Present <<
466 == ======= <<
467 <<
468 What: /sys/class/power_supply/<suppl <<
469 Date: May 2007 <<
470 Contact: linux-pm@vger.kernel.org <<
471 Description: <<
472 Represents the charging status <<
473 is read-only reporting althoug <<
474 used to enable/disable chargin <<
475 <<
476 Access: Read, Write <<
477 <<
478 Valid values: <<
479 "Unknown", "Char <<
480 "Not charging", <<
481 <<
482 What: /sys/class/power_supply/<suppl <<
483 Date: November 2021 <<
484 Contact: linux-pm@vger.kernel.org <<
485 Description: <<
486 Represents the charging behavi <<
487 <<
488 Access: Read, Write <<
489 <<
490 Valid values: <<
491 ================ ===== <<
492 auto: Charg <<
493 inhibit-charge: Do no <<
494 force-discharge: Force <<
495 ================ ===== <<
496 <<
497 What: /sys/class/power_supply/<suppl <<
498 Date: May 2007 <<
499 Contact: linux-pm@vger.kernel.org <<
500 Description: <<
501 Describes the battery technolo <<
502 <<
503 Access: Read <<
504 <<
505 Valid values: <<
506 "Unknown", "NiMH <<
507 "NiCd", "LiMn" <<
508 <<
509 <<
510 What: /sys/class/power_supply/<suppl <<
511 Date: May 2007 <<
512 Contact: linux-pm@vger.kernel.org <<
513 Description: <<
514 Reports an average VBAT voltag <<
515 fixed period. Normally devices <<
516 which they average readings to <<
517 <<
518 Access: Read <<
519 <<
520 Valid values: Represented in m <<
521 <<
522 What: /sys/class/power_supply/<suppl <<
523 Date: January 2010 <<
524 Contact: linux-pm@vger.kernel.org <<
525 Description: <<
526 Reports the number of full cha <<
527 battery has undergone. <<
528 <<
529 Access: Read <<
530 <<
531 Valid values: <<
532 Integer > 0: represent <<
533 Integer = 0: cycle_cou <<
534 <<
535 **USB Properties** <<
536 <<
537 What: /sys/class/power_supply/<suppl <<
538 Date: July 2014 <<
539 Contact: linux-pm@vger.kernel.org <<
540 Description: <<
541 Details the incoming IBUS curr <<
542 supply. Normally this is confi <<
543 connection made (e.g. A config <<
544 of 500mA so the input current <<
545 Use preferably input_power_lim <<
546 solved using power limit use i <<
547 <<
548 Access: Read, Write <<
549 <<
550 Valid values: Represented in m <<
551 <<
552 What: /sys/class/power_supply/<suppl <<
553 Date: May 2019 <<
554 Contact: linux-pm@vger.kernel.org <<
555 Description: <<
556 This entry configures the inco <<
557 set in the supply. Normally th <<
558 system-level knowledge or user <<
559 Pixel C's thermal management s <<
560 input power to 5V when the scr <<
561 temperature targets). Note tha <<
562 used for safety critical thing <<
563 Use preferably input_power_lim <<
564 solved using power limit use i <<
565 <<
566 Access: Read, Write <<
567 <<
568 Valid values: Represented in m <<
569 <<
570 What: /sys/class/power_supply/<suppl <<
571 Date: May 2019 <<
572 Contact: linux-pm@vger.kernel.org <<
573 Description: <<
574 This entry configures the inco <<
575 in the supply. Normally this i <<
576 system-level knowledge or user <<
577 feature to limit the incoming <<
578 limit only for problems that c <<
579 <<
580 Access: Read, Write <<
581 <<
582 Valid values: Represented in m <<
583 <<
584 What: /sys/class/power_supply/<suppl <<
585 Date: May 2007 <<
586 Contact: linux-pm@vger.kernel.org <<
587 Description: <<
588 Indicates if VBUS is present f <<
589 online, and the supply allows <<
590 between online states (e.g. Fi <<
591 USB supply so voltage and curr <<
592 <<
593 Access: Read, Write <<
594 <<
595 Valid values: <<
596 <<
597 == =================== <<
598 0: Offline <<
599 1: Online Fixed - Fixe <<
600 2: Online Programmable <<
601 == =================== <<
602 <<
603 What: /sys/class/power_supply/<suppl <<
604 Date: March 2018 <<
605 Contact: linux-pm@vger.kernel.org <<
606 Description: <<
607 Reports what type of USB conne <<
608 the supply, for example it can <<
609 is attached. <<
610 <<
611 Access: For power-supplies whi <<
612 as battery charger chips, this <<
613 the connected USB power source <<
614 <<
615 For power-supplies which act a <<
616 e.g. the UCS1002 USB Port Powe <<
617 <<
618 Valid values: <<
619 "Unknown", "SDP" <<
620 "PD_DRP", "PD_PP <<
621 <<
622 **Device Specific Properties** <<
623 <<
624 What: /sys/class/power/ds2760-batter 1 What: /sys/class/power/ds2760-battery.*/charge_now
625 Date: May 2010 2 Date: May 2010
626 KernelVersion: 2.6.35 3 KernelVersion: 2.6.35
627 Contact: Daniel Mack <daniel@caiaq.de> 4 Contact: Daniel Mack <daniel@caiaq.de>
628 Description: 5 Description:
629 This file is writeable and can 6 This file is writeable and can be used to set the current
630 coloumb counter value inside t 7 coloumb counter value inside the battery monitor chip. This
631 is needed for unavoidable corr 8 is needed for unavoidable corrections of aging batteries.
632 A userspace daemon can monitor 9 A userspace daemon can monitor the battery charging logic
633 and once the counter drops out 10 and once the counter drops out of considerable bounds, take
634 appropriate action. 11 appropriate action.
635 12
636 What: /sys/class/power/ds2760-batter 13 What: /sys/class/power/ds2760-battery.*/charge_full
637 Date: May 2010 14 Date: May 2010
638 KernelVersion: 2.6.35 15 KernelVersion: 2.6.35
639 Contact: Daniel Mack <daniel@caiaq.de> 16 Contact: Daniel Mack <daniel@caiaq.de>
640 Description: 17 Description:
641 This file is writeable and can 18 This file is writeable and can be used to set the assumed
642 battery 'full level'. As batte 19 battery 'full level'. As batteries age, this value has to be
643 amended over time. 20 amended over time.
644 21
645 What: /sys/class/power_supply/max145 22 What: /sys/class/power_supply/max14577-charger/device/fast_charge_timer
646 Date: October 2014 23 Date: October 2014
647 KernelVersion: 3.18.0 24 KernelVersion: 3.18.0
648 Contact: Krzysztof Kozlowski <krzk@kerne 25 Contact: Krzysztof Kozlowski <krzk@kernel.org>
649 Description: 26 Description:
650 This entry shows and sets the 27 This entry shows and sets the maximum time the max14577
651 charger operates in fast-charg 28 charger operates in fast-charge mode. When the timer expires
652 the device will terminate fast 29 the device will terminate fast-charge mode (charging current
653 will drop to 0 A) and will tri 30 will drop to 0 A) and will trigger interrupt.
654 31
655 Valid values: 32 Valid values:
656 <<
657 - 5, 6 or 7 (hours), 33 - 5, 6 or 7 (hours),
658 - 0: disabled. 34 - 0: disabled.
659 35
660 What: /sys/class/power_supply/max776 36 What: /sys/class/power_supply/max77693-charger/device/fast_charge_timer
661 Date: January 2015 37 Date: January 2015
662 KernelVersion: 3.19.0 38 KernelVersion: 3.19.0
663 Contact: Krzysztof Kozlowski <krzk@kerne 39 Contact: Krzysztof Kozlowski <krzk@kernel.org>
664 Description: 40 Description:
665 This entry shows and sets the 41 This entry shows and sets the maximum time the max77693
666 charger operates in fast-charg 42 charger operates in fast-charge mode. When the timer expires
667 the device will terminate fast 43 the device will terminate fast-charge mode (charging current
668 will drop to 0 A) and will tri 44 will drop to 0 A) and will trigger interrupt.
669 45
670 Valid values: 46 Valid values:
671 <<
672 - 4 - 16 (hours), step by 2 (r 47 - 4 - 16 (hours), step by 2 (rounded down)
673 - 0: disabled. 48 - 0: disabled.
674 49
675 What: /sys/class/power_supply/max776 50 What: /sys/class/power_supply/max77693-charger/device/top_off_threshold_current
676 Date: January 2015 51 Date: January 2015
677 KernelVersion: 3.19.0 52 KernelVersion: 3.19.0
678 Contact: Krzysztof Kozlowski <krzk@kerne 53 Contact: Krzysztof Kozlowski <krzk@kernel.org>
679 Description: 54 Description:
680 This entry shows and sets the 55 This entry shows and sets the charging current threshold for
681 entering top-off charging mode 56 entering top-off charging mode. When charging current in fast
682 charge mode drops below this v 57 charge mode drops below this value, the charger will trigger
683 interrupt and start top-off ch 58 interrupt and start top-off charging mode.
684 59
685 Valid values: 60 Valid values:
686 <<
687 - 100000 - 200000 (microamps), 61 - 100000 - 200000 (microamps), step by 25000 (rounded down)
688 - 200000 - 350000 (microamps), 62 - 200000 - 350000 (microamps), step by 50000 (rounded down)
689 - 0: disabled. 63 - 0: disabled.
690 64
691 What: /sys/class/power_supply/max776 65 What: /sys/class/power_supply/max77693-charger/device/top_off_timer
692 Date: January 2015 66 Date: January 2015
693 KernelVersion: 3.19.0 67 KernelVersion: 3.19.0
694 Contact: Krzysztof Kozlowski <krzk@kerne 68 Contact: Krzysztof Kozlowski <krzk@kernel.org>
695 Description: 69 Description:
696 This entry shows and sets the 70 This entry shows and sets the maximum time the max77693
697 charger operates in top-off ch 71 charger operates in top-off charge mode. When the timer expires
698 the device will terminate top- 72 the device will terminate top-off charge mode (charging current
699 will drop to 0 A) and will tri 73 will drop to 0 A) and will trigger interrupt.
700 74
701 Valid values: 75 Valid values:
702 <<
703 - 0 - 70 (minutes), step by 10 76 - 0 - 70 (minutes), step by 10 (rounded down)
704 77
705 What: /sys/class/power_supply/bq2425 78 What: /sys/class/power_supply/bq24257-charger/ovp_voltage
706 Date: October 2015 79 Date: October 2015
707 KernelVersion: 4.4.0 80 KernelVersion: 4.4.0
708 Contact: Andreas Dannenberg <dannenberg@ 81 Contact: Andreas Dannenberg <dannenberg@ti.com>
709 Description: 82 Description:
710 This entry configures the over 83 This entry configures the overvoltage protection feature of bq24257-
711 type charger devices. This fea 84 type charger devices. This feature protects the device and other
712 components against damage from 85 components against damage from overvoltage on the input supply. See
713 device datasheet for details. 86 device datasheet for details.
714 87
715 Valid values: 88 Valid values:
716 <<
717 - 6000000, 6500000, 7000000, 8 89 - 6000000, 6500000, 7000000, 8000000, 9000000, 9500000, 10000000,
718 10500000 (all uV) 90 10500000 (all uV)
719 91
720 What: /sys/class/power_supply/bq2425 92 What: /sys/class/power_supply/bq24257-charger/in_dpm_voltage
721 Date: October 2015 93 Date: October 2015
722 KernelVersion: 4.4.0 94 KernelVersion: 4.4.0
723 Contact: Andreas Dannenberg <dannenberg@ 95 Contact: Andreas Dannenberg <dannenberg@ti.com>
724 Description: 96 Description:
725 This entry configures the inpu 97 This entry configures the input dynamic power path management voltage of
726 bq24257-type charger devices. 98 bq24257-type charger devices. Once the supply drops to the configured
727 voltage, the input current lim 99 voltage, the input current limit is reduced down to prevent the further
728 drop of the supply. When the I 100 drop of the supply. When the IC enters this mode, the charge current is
729 lower than the set value. See 101 lower than the set value. See device datasheet for details.
730 102
731 Valid values: 103 Valid values:
732 <<
733 - 4200000, 4280000, 4360000, 4 104 - 4200000, 4280000, 4360000, 4440000, 4520000, 4600000, 4680000,
734 4760000 (all uV) 105 4760000 (all uV)
735 106
736 What: /sys/class/power_supply/bq2425 107 What: /sys/class/power_supply/bq24257-charger/high_impedance_enable
737 Date: October 2015 108 Date: October 2015
738 KernelVersion: 4.4.0 109 KernelVersion: 4.4.0
739 Contact: Andreas Dannenberg <dannenberg@ 110 Contact: Andreas Dannenberg <dannenberg@ti.com>
740 Description: 111 Description:
741 This entry allows enabling the 112 This entry allows enabling the high-impedance mode of bq24257-type
742 charger devices. If enabled, i 113 charger devices. If enabled, it places the charger IC into low power
743 standby mode with the switch m 114 standby mode with the switch mode controller disabled. When disabled,
744 the charger operates normally. 115 the charger operates normally. See device datasheet for details.
745 116
746 Valid values: 117 Valid values:
747 <<
748 - 1: enabled 118 - 1: enabled
749 - 0: disabled 119 - 0: disabled
750 120
751 What: /sys/class/power_supply/bq2425 121 What: /sys/class/power_supply/bq24257-charger/sysoff_enable
752 Date: October 2015 122 Date: October 2015
753 KernelVersion: 4.4.0 123 KernelVersion: 4.4.0
754 Contact: Andreas Dannenberg <dannenberg@ 124 Contact: Andreas Dannenberg <dannenberg@ti.com>
755 Description: 125 Description:
756 This entry allows enabling the 126 This entry allows enabling the sysoff mode of bq24257-type charger
757 devices. If enabled and the in 127 devices. If enabled and the input is removed, the internal battery FET
758 is turned off in order to redu 128 is turned off in order to reduce the leakage from the BAT pin to less
759 than 1uA. Note that on some de 129 than 1uA. Note that on some devices/systems this disconnects the battery
760 from the system. See device da 130 from the system. See device datasheet for details.
761 131
762 Valid values: 132 Valid values:
763 <<
764 - 1: enabled 133 - 1: enabled
765 - 0: disabled 134 - 0: disabled
766 <<
767 What: /sys/class/power_supply/<suppl <<
768 Date: January 2020 <<
769 Contact: linux-pm@vger.kernel.org <<
770 Description: <<
771 Reports the year (following Gr <<
772 manufactured. <<
773 <<
774 Access: Read <<
775 <<
776 Valid values: Reported as inte <<
777 <<
778 What: /sys/class/power_supply/<suppl <<
779 Date: January 2020 <<
780 Contact: linux-pm@vger.kernel.org <<
781 Description: <<
782 Reports the month when the dev <<
783 <<
784 Access: Read <<
785 <<
786 Valid values: 1-12 <<
787 <<
788 What: /sys/class/power_supply/<suppl <<
789 Date: January 2020 <<
790 Contact: linux-pm@vger.kernel.org <<
791 Description: <<
792 Reports the day of month when <<
793 <<
794 Access: Read <<
795 Valid values: 1-31 <<
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