power_supply: Fix possible NULL pointer dereference on early uevent
[linux-2.6-block.git] / drivers / power / Kconfig
CommitLineData
4a11b59d 1menuconfig POWER_SUPPLY
0d4ed4e2 2 bool "Power supply class support"
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3 help
4 Say Y here to enable power supply class support. This allows
5 power supply (batteries, AC, USB) monitoring by userspace
6 via sysfs and uevent (if available) and/or APM kernel interface
7 (if selected below).
8
9if POWER_SUPPLY
10
11config POWER_SUPPLY_DEBUG
12 bool "Power supply debug"
13 help
14 Say Y here to enable debugging messages for power supply class
15 and drivers.
16
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17config PDA_POWER
18 tristate "Generic PDA/phone power driver"
5f17c70f 19 depends on !S390
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20 help
21 Say Y here to enable generic power driver for PDAs and phones with
22 one or two external power supplies (AC/USB) connected to main and
23 backup batteries, and optional builtin charger.
24
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25config APM_POWER
26 tristate "APM emulation for class batteries"
27 depends on APM_EMULATION
28 help
29 Say Y here to enable support APM status emulation using
30 battery class devices.
31
e60fea79 32config GENERIC_ADC_BATTERY
33 tristate "Generic battery support using IIO"
34 depends on IIO
35 help
36 Say Y here to enable support for the generic battery driver
37 which uses IIO framework to read adc.
38
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39config MAX8925_POWER
40 tristate "MAX8925 battery charger support"
41 depends on MFD_MAX8925
42 help
43 Say Y here to enable support for the battery charger in the Maxim
44 MAX8925 PMIC.
45
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46config WM831X_BACKUP
47 tristate "WM831X backup battery charger support"
48 depends on MFD_WM831X
49 help
50 Say Y here to enable support for the backup battery charger
51 in the Wolfson Microelectronics WM831x PMICs.
52
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53config WM831X_POWER
54 tristate "WM831X PMU support"
55 depends on MFD_WM831X
56 help
57 Say Y here to enable support for the power management unit
58 provided by Wolfson Microelectronics WM831x PMICs.
59
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60config WM8350_POWER
61 tristate "WM8350 PMU support"
62 depends on MFD_WM8350
63 help
64 Say Y here to enable support for the power management unit
65 provided by the Wolfson Microelectronics WM8350 PMIC.
66
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67config TEST_POWER
68 tristate "Test power driver"
69 help
70 This driver is used for testing. It's safe to say M here.
71
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72config BATTERY_88PM860X
73 tristate "Marvell 88PM860x battery driver"
74 depends on MFD_88PM860X
75 help
76 Say Y here to enable battery monitor for Marvell 88PM860x chip.
77
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78config BATTERY_DS2760
79 tristate "DS2760 battery driver (HP iPAQ & others)"
f6127b86 80 depends on W1 && W1_SLAVE_DS2760
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81 help
82 Say Y here to enable support for batteries with ds2760 chip.
83
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84config BATTERY_DS2780
85 tristate "DS2780 battery driver"
3369465e 86 depends on HAS_IOMEM
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87 select W1
88 select W1_SLAVE_DS2780
89 help
90 Say Y here to enable support for batteries with ds2780 chip.
91
fef37e9a 92config BATTERY_DS2781
840b91bd 93 tristate "DS2781 battery driver"
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94 depends on HAS_IOMEM
95 select W1
96 select W1_SLAVE_DS2781
97 help
98 If you enable this you will have the DS2781 battery driver support.
99
100 The battery monitor chip is used in many batteries/devices
101 as the one who is responsible for charging/discharging/monitoring
102 Li+ batteries.
103
104 If you are unsure, say N.
105
bfdb46ce 106config BATTERY_DS2782
9b9ade6b 107 tristate "DS2782/DS2786 standalone gas-gauge"
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108 depends on I2C
109 help
9b9ade6b 110 Say Y here to enable support for the DS2782/DS2786 standalone battery
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111 gas-gauge.
112
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113config BATTERY_PMU
114 tristate "Apple PMU battery"
a1da5f4f 115 depends on PPC32 && ADB_PMU
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116 help
117 Say Y here to expose battery information on Apple machines
118 through the generic battery class.
119
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120config BATTERY_OLPC
121 tristate "One Laptop Per Child battery"
122 depends on X86_32 && OLPC
123 help
124 Say Y to enable support for the battery on the OLPC laptop.
125
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126config BATTERY_TOSA
127 tristate "Sharp SL-6000 (tosa) battery"
6a903788 128 depends on MACH_TOSA && MFD_TC6393XB && TOUCHSCREEN_WM97XX
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129 help
130 Say Y to enable support for the battery on the Sharp Zaurus
131 SL-6000 (tosa) models.
132
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133config BATTERY_COLLIE
134 tristate "Sharp SL-5500 (collie) battery"
135 depends on SA1100_COLLIE && MCP_UCB1200
136 help
137 Say Y to enable support for the battery on the Sharp Zaurus
138 SL-5500 (collie) models.
139
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140config BATTERY_IPAQ_MICRO
141 tristate "iPAQ Atmel Micro ASIC battery driver"
142 depends on MFD_IPAQ_MICRO
143 help
144 Choose this option if you want to monitor battery status on
145 Compaq/HP iPAQ h3100 and h3600.
146
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147config BATTERY_WM97XX
148 bool "WM97xx generic battery driver"
5e4c5f4c 149 depends on TOUCHSCREEN_WM97XX=y
d4b19c42 150 help
4e9687d9 151 Say Y to enable support for battery measured by WM97xx aux port.
d4b19c42 152
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153config BATTERY_SBS
154 tristate "SBS Compliant gas gauge"
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155 depends on I2C
156 help
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157 Say Y to include support for SBS battery driver for SBS-compliant
158 gas gauges.
a7640bfa 159
b996ad0e 160config BATTERY_BQ27x00
e20908d9 161 tristate "BQ27x00 battery driver"
a2d0dbb4 162 depends on I2C || I2C=n
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163 help
164 Say Y here to enable support for batteries with BQ27x00 (I2C/HDQ) chips.
165
166config BATTERY_BQ27X00_I2C
167 bool "BQ27200/BQ27500 support"
168 depends on BATTERY_BQ27x00
b996ad0e 169 depends on I2C
7fb7ba58 170 default y
b996ad0e 171 help
e20908d9 172 Say Y here to enable support for batteries with BQ27x00 (I2C) chips.
b996ad0e 173
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174config BATTERY_BQ27X00_PLATFORM
175 bool "BQ27000 support"
176 depends on BATTERY_BQ27x00
177 default y
178 help
179 Say Y here to enable support for batteries with BQ27000 (HDQ) chips.
180
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181config BATTERY_DA9030
182 tristate "DA9030 battery driver"
183 depends on PMIC_DA903X
184 help
185 Say Y here to enable support for batteries charger integrated into
186 DA9030 PMIC.
187
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188config BATTERY_DA9052
189 tristate "Dialog DA9052 Battery"
190 depends on PMIC_DA9052
191 help
192 Say Y here to enable support for batteries charger integrated into
193 DA9052 PMIC.
194
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195config CHARGER_DA9150
196 tristate "Dialog Semiconductor DA9150 Charger support"
197 depends on MFD_DA9150
198 depends on DA9150_GPADC
199 depends on IIO
200 help
201 Say Y here to enable support for charger unit of the DA9150
202 Integrated Charger & Fuel-Gauge IC.
203
204 This driver can also be built as a module. If so, the module will be
205 called da9150-charger.
206
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207config AXP288_FUEL_GAUGE
208 tristate "X-Powers AXP288 Fuel Gauge"
209 depends on MFD_AXP20X && IIO
210 help
211 Say yes here to have support for X-Power power management IC (PMIC)
212 Fuel Gauge. The device provides battery statistics and status
213 monitoring as well as alerts for battery over/under voltage and
214 over/under temperature.
215
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216config BATTERY_MAX17040
217 tristate "Maxim MAX17040 Fuel Gauge"
218 depends on I2C
219 help
220 MAX17040 is fuel-gauge systems for lithium-ion (Li+) batteries
221 in handheld and portable equipment. The MAX17040 is configured
222 to operate with a single lithium cell
223
359ab9f5 224config BATTERY_MAX17042
9a8422d2 225 tristate "Maxim MAX17042/17047/17050/8997/8966 Fuel Gauge"
359ab9f5 226 depends on I2C
93353e80 227 select REGMAP_I2C
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228 help
229 MAX17042 is fuel-gauge systems for lithium-ion (Li+) batteries
230 in handheld and portable equipment. The MAX17042 is configured
231 to operate with a single lithium cell. MAX8997 and MAX8966 are
232 multi-function devices that include fuel gauages that are compatible
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233 with MAX17042. This driver also supports max17047/50 chips which are
234 improved version of max17042.
359ab9f5 235
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236config BATTERY_Z2
237 tristate "Z2 battery driver"
238 depends on I2C && MACH_ZIPIT2
239 help
240 Say Y to include support for the battery on the Zipit Z2.
241
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242config BATTERY_S3C_ADC
243 tristate "Battery driver for Samsung ADC based monitoring"
244 depends on S3C_ADC
245 help
246 Say Y here to enable support for iPAQ h1930/h1940/rx1950 battery
247
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248config BATTERY_TWL4030_MADC
249 tristate "TWL4030 MADC battery driver"
250 depends on TWL4030_MADC
251 help
252 Say Y here to enable this dumb driver for batteries managed
253 through the TWL4030 MADC.
254
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255config CHARGER_88PM860X
256 tristate "Marvell 88PM860x Charger driver"
257 depends on MFD_88PM860X && BATTERY_88PM860X
258 help
259 Say Y here to enable charger for Marvell 88PM860x chip.
260
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261config CHARGER_PCF50633
262 tristate "NXP PCF50633 MBC"
263 depends on MFD_PCF50633
264 help
265 Say Y to include support for NXP PCF50633 Main Battery Charger.
266
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267config BATTERY_JZ4740
268 tristate "Ingenic JZ4740 battery"
269 depends on MACH_JZ4740
270 depends on MFD_JZ4740_ADC
271 help
272 Say Y to enable support for the battery on Ingenic JZ4740 based
273 boards.
274
275 This driver can be build as a module. If so, the module will be
276 called jz4740-battery.
277
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278config BATTERY_INTEL_MID
279 tristate "Battery driver for Intel MID platforms"
280 depends on INTEL_SCU_IPC && SPI
281 help
282 Say Y here to enable the battery driver on Intel MID
283 platforms.
284
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285config BATTERY_RX51
286 tristate "Nokia RX-51 (N900) battery driver"
287 depends on TWL4030_MADC
288 help
289 Say Y here to enable support for battery information on Nokia
290 RX-51, also known as N900 tablet.
291
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292config CHARGER_ISP1704
293 tristate "ISP1704 USB Charger Detection"
fd891498 294 depends on USB_PHY
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295 help
296 Say Y to enable support for USB Charger Detection with
297 ISP1707/ISP1704 USB transceivers.
298
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299config CHARGER_MAX8903
300 tristate "MAX8903 Battery DC-DC Charger for USB and Adapter Power"
301 help
302 Say Y to enable support for the MAX8903 DC-DC charger and sysfs.
303 The driver supports controlling charger-enable and current-limit
304 pins based on the status of charger connections with interrupt
305 handlers.
306
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307config CHARGER_TWL4030
308 tristate "OMAP TWL4030 BCI charger driver"
309 depends on TWL4030_CORE
310 help
311 Say Y here to enable support for TWL4030 Battery Charge Interface.
312
2165c8a4 313config CHARGER_LP8727
e39b828f 314 tristate "TI/National Semiconductor LP8727 charger driver"
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WK
315 depends on I2C
316 help
317 Say Y here to enable support for LP8727 Charger Driver.
318
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319config CHARGER_LP8788
320 tristate "TI LP8788 charger driver"
321 depends on MFD_LP8788
322 depends on LP8788_ADC
237a1b01 323 depends on IIO
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324 help
325 Say Y to enable support for the LP8788 linear charger.
326
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327config CHARGER_GPIO
328 tristate "GPIO charger"
329 depends on GPIOLIB
330 help
331 Say Y to include support for chargers which report their online status
332 through a GPIO pin.
333
334 This driver can be build as a module. If so, the module will be
335 called gpio-charger.
336
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337config CHARGER_MANAGER
338 bool "Battery charger manager for multiple chargers"
c1155c64 339 depends on REGULATOR
c4727555 340 select EXTCON
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341 help
342 Say Y to enable charger-manager support, which allows multiple
343 chargers attached to a battery and multiple batteries attached to a
344 system. The charger-manager also can monitor charging status in
345 runtime and in suspend-to-RAM by waking up the system periodically
346 with help of suspend_again support.
347
55e64701 348config CHARGER_MAX14577
3682a8ee 349 tristate "Maxim MAX14577/77836 battery charger driver"
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350 depends on MFD_MAX14577
351 help
352 Say Y to enable support for the battery charger control sysfs and
3682a8ee 353 platform data of MAX14577/77836 MUICs.
55e64701 354
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355config CHARGER_MAX77693
356 tristate "Maxim MAX77693 battery charger driver"
357 depends on MFD_MAX77693
358 help
359 Say Y to enable support for the Maxim MAX77693 battery charger.
360
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361config CHARGER_MAX8997
362 tristate "Maxim MAX8997/MAX8966 PMIC battery charger driver"
363 depends on MFD_MAX8997 && REGULATOR_MAX8997
364 help
365 Say Y to enable support for the battery charger control sysfs and
366 platform data of MAX8997/LP3974 PMICs.
367
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368config CHARGER_MAX8998
369 tristate "Maxim MAX8998/LP3974 PMIC battery charger driver"
370 depends on MFD_MAX8998 && REGULATOR_MAX8998
371 help
372 Say Y to enable support for the battery charger control sysfs and
373 platform data of MAX8998/LP3974 PMICs.
374
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375config CHARGER_BQ2415X
376 tristate "TI BQ2415x battery charger driver"
377 depends on I2C
378 help
379 Say Y to enable support for the TI BQ2415x battery charger
380 PMICs.
381
382 You'll need this driver to charge batteries on e.g. Nokia
383 RX-51/N900.
384
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385config CHARGER_BQ24190
386 tristate "TI BQ24190 battery charger driver"
387 depends on I2C && GPIOLIB
388 help
389 Say Y to enable support for the TI BQ24190 battery charger.
390
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391config CHARGER_BQ24735
392 tristate "TI BQ24735 battery charger support"
393 depends on I2C && GPIOLIB
394 help
395 Say Y to enable support for the TI BQ24735 battery charger.
396
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397config CHARGER_SMB347
398 tristate "Summit Microelectronics SMB347 Battery Charger"
399 depends on I2C
34298d40 400 select REGMAP_I2C
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401 help
402 Say Y to include support for Summit Microelectronics SMB347
403 Battery Charger.
404
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405config CHARGER_TPS65090
406 tristate "TPS65090 battery charger driver"
407 depends on MFD_TPS65090
408 help
409 Say Y here to enable support for battery charging with TPS65090
410 PMIC chips.
411
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412config BATTERY_GAUGE_LTC2941
413 tristate "LTC2941/LTC2943 Battery Gauge Driver"
414 depends on I2C
415 help
416 Say Y here to include support for LTC2941 and LTC2943 Battery
417 Gauge IC. The driver reports the charge count continuously, and
418 measures the voltage and temperature every 10 seconds.
419
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420config AB8500_BM
421 bool "AB8500 Battery Management Driver"
422 depends on AB8500_CORE && AB8500_GPADC
423 help
8b7d133c 424 Say Y to include support for AB8500 battery management.
1f855824 425
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426config BATTERY_GOLDFISH
427 tristate "Goldfish battery driver"
0244ad00 428 depends on GOLDFISH || COMPILE_TEST
850bc4d5 429 depends on HAS_IOMEM
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430 help
431 Say Y to enable support for the battery and AC power in the
432 Goldfish emulator.
433
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434config BATTERY_RT5033
435 tristate "RT5033 fuel gauge support"
436 depends on MFD_RT5033
437 help
438 This adds support for battery fuel gauge in Richtek RT5033 PMIC.
439 The fuelgauge calculates and determines the battery state of charge
440 according to battery open circuit voltage.
441
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442source "drivers/power/reset/Kconfig"
443
4a11b59d 444endif # POWER_SUPPLY
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445
446source "drivers/power/avs/Kconfig"