Kconfig 49.3 KB
Newer Older
1
#
2 3 4 5
# RTC class/drivers configuration
#

config RTC_LIB
6
	bool
A
Alessandro Zummo 已提交
7

8 9 10 11
config RTC_MC146818_LIB
	bool
	select RTC_LIB

J
Jan Engelhardt 已提交
12
menuconfig RTC_CLASS
13
	bool "Real Time Clock"
A
Alessandro Zummo 已提交
14
	default n
A
Al Viro 已提交
15
	depends on !S390 && !UML
A
Alessandro Zummo 已提交
16 17 18
	select RTC_LIB
	help
	  Generic RTC class support. If you say yes here, you will
A
Alexandre Belloni 已提交
19
	  be allowed to plug one or more RTCs to your system. You will
20
	  probably want to enable one or more of the interfaces below.
A
Alessandro Zummo 已提交
21

J
Jan Engelhardt 已提交
22 23
if RTC_CLASS

A
Alessandro Zummo 已提交
24
config RTC_HCTOSYS
25
	bool "Set system time from RTC on startup and resume"
A
Alessandro Zummo 已提交
26 27
	default y
	help
28 29 30
	  If you say yes here, the system time (wall clock) will be set using
	  the value read from a specified RTC device. This is useful to avoid
	  unnecessary fsck runs at boot time, and to network better.
A
Alessandro Zummo 已提交
31 32

config RTC_HCTOSYS_DEVICE
33
	string "RTC used to set the system time"
34
	depends on RTC_HCTOSYS
A
Alessandro Zummo 已提交
35 36
	default "rtc0"
	help
37
	  The RTC device that will be used to (re)initialize the system
A
Alessandro Zummo 已提交
38 39
	  clock, usually rtc0. Initialization is done when the system
	  starts up, and when it resumes from a low power state. This
40 41
	  device should record time in UTC, since the kernel won't do
	  timezone correction.
42

43 44 45
	  The driver for this RTC device must be loaded before late_initcall
	  functions run, so it must usually be statically linked.

46
	  This clock should be battery-backed, so that it reads the correct
A
Alessandro Zummo 已提交
47
	  time when the system boots from a power-off state. Otherwise, your
48 49 50 51
	  system will need an external clock source (like an NTP server).

	  If the clock you specify here is not battery backed, it may still
	  be useful to reinitialize system time when resuming from system
52
	  sleep states. Do not specify an RTC here unless it stays powered
53
	  during all this system's supported sleep states.
A
Alessandro Zummo 已提交
54

55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
config RTC_SYSTOHC
	bool "Set the RTC time based on NTP synchronization"
	default y
	help
	  If you say yes here, the system time (wall clock) will be stored
	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
	  minutes if userspace reports synchronized NTP status.

config RTC_SYSTOHC_DEVICE
	string "RTC used to synchronize NTP adjustment"
	depends on RTC_SYSTOHC
	default RTC_HCTOSYS_DEVICE if RTC_HCTOSYS
	default "rtc0"
	help
	  The RTC device used for NTP synchronization. The main difference
	  between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this
	  one can sleep when setting time, because it runs in the workqueue
	  context.

74 75 76 77 78 79
config RTC_DEBUG
	bool "RTC debug support"
	help
	  Say yes here to enable debugging support in the RTC framework
	  and individual RTC drivers.

A
Alessandro Zummo 已提交
80 81
comment "RTC interfaces"

82
config RTC_INTF_SYSFS
83
	bool "/sys/class/rtc/rtcN (sysfs)"
J
Jan Engelhardt 已提交
84
	depends on SYSFS
85
	default RTC_CLASS
86
	help
87 88
	  Say yes here if you want to use your RTCs using sysfs interfaces,
	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
89

A
Alessandro Zummo 已提交
90
	  If unsure, say Y.
91

92
config RTC_INTF_PROC
93
	bool "/proc/driver/rtc (procfs for rtcN)"
J
Jan Engelhardt 已提交
94
	depends on PROC_FS
95
	default RTC_CLASS
96
	help
97 98 99 100 101
	  Say yes here if you want to use your system clock RTC through
	  the proc interface, /proc/driver/rtc.
	  Other RTCs will not be available through that API.
	  If there is no RTC for the system clock, then the first RTC(rtc0)
	  is used by default.
102

A
Alessandro Zummo 已提交
103
	  If unsure, say Y.
104

105
config RTC_INTF_DEV
106
	bool "/dev/rtcN (character devices)"
107
	default RTC_CLASS
108
	help
109 110
	  Say yes here if you want to use your RTCs using the /dev
	  interfaces, which "udev" sets up as /dev/rtc0 through
A
Alessandro Zummo 已提交
111
	  /dev/rtcN.
112

A
Alessandro Zummo 已提交
113 114 115 116 117 118
	  You may want to set up a symbolic link so one of these
	  can be accessed as /dev/rtc, which is a name
	  expected by "hwclock" and some other programs. Recent
	  versions of "udev" are known to set up the symlink for you.

	  If unsure, say Y.
119

J
John Stultz 已提交
120 121 122 123 124 125 126 127 128 129 130 131
config RTC_INTF_DEV_UIE_EMUL
	bool "RTC UIE emulation on dev interface"
	depends on RTC_INTF_DEV
	help
	  Provides an emulation for RTC_UIE if the underlying rtc chip
	  driver does not expose RTC_UIE ioctls. Those requests generate
	  once-per-second update interrupts, used for synchronization.

	  The emulation code will read the time from the hardware
	  clock several times per second, please enable this option
	  only if you know that you really need it.

A
Alessandro Zummo 已提交
132 133
config RTC_DRV_TEST
	tristate "Test driver/device"
134 135
	help
	  If you say yes here you get support for the
A
Alessandro Zummo 已提交
136 137 138 139 140 141
	  RTC test driver. It's a software RTC which can be
	  used to test the RTC subsystem APIs. It gets
	  the time from the system clock.
	  You want this driver only if you are doing development
	  on the RTC subsystem. Please read the source code
	  for further details.
142 143

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
144 145 146
	  will be called rtc-test.

comment "I2C RTC drivers"
J
Jan Engelhardt 已提交
147 148

if I2C
149

150 151
config RTC_DRV_88PM860X
	tristate "Marvell 88PM860x"
152
	depends on MFD_88PM860X
153 154 155 156 157 158 159
	help
	  If you say yes here you get support for RTC function in Marvell
	  88PM860x chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-88pm860x.

Q
Qiao Zhou 已提交
160 161
config RTC_DRV_88PM80X
	tristate "Marvell 88PM80x"
162
	depends on MFD_88PM800
Q
Qiao Zhou 已提交
163 164 165 166 167 168 169
	help
	  If you say yes here you get support for RTC function in Marvell
	  88PM80x chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-88pm80x.

170
config RTC_DRV_ABB5ZES3
A
Alexandre Belloni 已提交
171 172 173
	select REGMAP_I2C
	tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
	help
174 175 176 177 178 179
	  If you say yes here you get support for the Abracon
	  AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ab-b5ze-s3.

180 181 182 183 184 185 186 187 188 189
config RTC_DRV_ABX80X
	tristate "Abracon ABx80x"
	help
	  If you say yes here you get support for Abracon AB080X and AB180X
	  families of ultra-low-power  battery- and capacitor-backed real-time
	  clock chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-abx80x.

190 191 192 193 194 195 196 197 198 199
config RTC_DRV_AC100
	tristate "X-Powers AC100"
	depends on MFD_AC100
	help
	  If you say yes here you get support for the real-time clock found
	  in X-Powers AC100 family peripheral ICs.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ac100.

200 201 202 203 204 205 206 207 208 209
config RTC_DRV_AS3722
	tristate "ams AS3722 RTC driver"
	depends on MFD_AS3722
	help
	  If you say yes here you get support for the RTC of ams AS3722 PMIC
	  chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-as3722.

210
config RTC_DRV_DS1307
211
	tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025, ISL12057"
212 213
	help
	  If you say yes here you get support for various compatible RTC
A
Alessandro Zummo 已提交
214
	  chips (often with battery backup) connected with I2C. This driver
215
	  should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
216 217 218
	  EPSON RX-8025, Intersil ISL12057 and probably other chips. In some
	  cases the RTC must already have been initialized (by manufacturing or
	  a bootloader).
219 220 221

	  The first seven registers on these chips hold an RTC, and other
	  registers may add features such as NVRAM, a trickle charger for
A
Alessandro Zummo 已提交
222
	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
D
David Brownell 已提交
223
	  sysfs, but other chip features may not be available.
224 225 226 227

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1307.

228 229 230 231 232 233 234 235 236
config RTC_DRV_DS1307_HWMON
	bool "HWMON support for rtc-ds1307"
	depends on RTC_DRV_DS1307 && HWMON
	depends on !(RTC_DRV_DS1307=y && HWMON=m)
	default y
	help
	  Say Y here if you want to expose temperature sensor data on
	  rtc-ds1307 (only DS3231)

237 238 239 240 241 242 243 244 245 246 247 248 249 250
config RTC_DRV_DS1307_CENTURY
	bool "Century bit support for rtc-ds1307"
	depends on RTC_DRV_DS1307
	default n
	help
	  The DS1307 driver suffered from a bug where it was enabling the
	  century bit inconditionnally but never used it when reading the time.
	  It made the driver unable to support dates beyond 2099.
	  Setting this option will add proper support for the century bit but if
	  the time was previously set using a kernel predating this option,
	  reading the date will return a date in the next century.
	  To solve that, you could boot a kernel without this option set, set
	  the RTC date and then boot a kernel with this option set.

S
Scott Wood 已提交
251
config RTC_DRV_DS1374
252
	tristate "Dallas/Maxim DS1374"
S
Scott Wood 已提交
253 254
	help
	  If you say yes here you get support for Dallas Semiconductor
A
Alessandro Zummo 已提交
255
	  DS1374 real-time clock chips. If an interrupt is associated
S
Scott Wood 已提交
256 257
	  with the device, the alarm functionality is supported.

A
Alessandro Zummo 已提交
258
	  This driver can also be built as a module. If so, the module
S
Scott Wood 已提交
259 260
	  will be called rtc-ds1374.

261 262 263 264 265 266 267 268
config RTC_DRV_DS1374_WDT
	bool "Dallas/Maxim DS1374 watchdog timer"
	depends on RTC_DRV_DS1374
	help
	  If you say Y here you will get support for the
	  watchdog timer in the Dallas Semiconductor DS1374
	  real-time clock chips.

A
Alessandro Zummo 已提交
269 270
config RTC_DRV_DS1672
	tristate "Dallas/Maxim DS1672"
271 272
	help
	  If you say yes here you get support for the
A
Alessandro Zummo 已提交
273
	  Dallas/Maxim DS1672 timekeeping chip.
274 275

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
276
	  will be called rtc-ds1672.
277

H
Heiko Stuebner 已提交
278 279
config RTC_DRV_HYM8563
	tristate "Haoyu Microelectronics HYM8563"
280
	depends on OF
H
Heiko Stuebner 已提交
281 282 283 284 285 286 287 288
	help
	  Say Y to enable support for the HYM8563 I2C RTC chip. Apart
	  from the usual rtc functions it provides a clock output of
	  up to 32kHz.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-hym8563.

K
Kim, Milo 已提交
289 290 291 292 293 294
config RTC_DRV_LP8788
	tristate "TI LP8788 RTC driver"
	depends on MFD_LP8788
	help
	  Say Y to enable support for the LP8788 RTC/ALARM driver.

A
Alessandro Zummo 已提交
295
config RTC_DRV_MAX6900
296
	tristate "Maxim MAX6900"
297
	help
A
Alessandro Zummo 已提交
298 299
	  If you say yes here you will get support for the
	  Maxim MAX6900 I2C RTC chip.
300 301

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
302
	  will be called rtc-max6900.
303

S
Stephen Warren 已提交
304 305
config RTC_DRV_MAX8907
	tristate "Maxim MAX8907"
306
	depends on MFD_MAX8907 || COMPILE_TEST
S
Stephen Warren 已提交
307 308 309 310 311 312 313
	help
	  If you say yes here you will get support for the
	  RTC of Maxim MAX8907 PMIC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max8907.

H
Haojian Zhuang 已提交
314 315 316 317 318 319 320 321 322 323
config RTC_DRV_MAX8925
	tristate "Maxim MAX8925"
	depends on MFD_MAX8925
	help
	  If you say yes here you will get support for the
	  RTC of Maxim MAX8925 PMIC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max8925.

J
Joonyoung Shim 已提交
324 325 326 327 328 329 330 331 332 333
config RTC_DRV_MAX8998
	tristate "Maxim MAX8998"
	depends on MFD_MAX8998
	help
	  If you say yes here you will get support for the
	  RTC of Maxim MAX8998 PMIC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max8998.

334 335 336 337 338 339 340 341 342 343
config RTC_DRV_MAX8997
	tristate "Maxim MAX8997"
	depends on MFD_MAX8997
	help
	  If you say yes here you will get support for the
	  RTC of Maxim MAX8997 PMIC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max8997.

344 345
config RTC_DRV_MAX77686
	tristate "Maxim MAX77686"
346
	depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
347 348
	help
	  If you say yes here you will get support for the
349
	  RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC.
350 351 352 353

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max77686.

C
Chris Zhong 已提交
354
config RTC_DRV_RK808
355
	tristate "Rockchip RK808/RK818 RTC"
C
Chris Zhong 已提交
356 357 358
	depends on MFD_RK808
	help
	  If you say yes here you will get support for the
359
	  RTC of RK808 and RK818 PMIC.
C
Chris Zhong 已提交
360 361 362 363

	  This driver can also be built as a module. If so, the module
	  will be called rk808-rtc.

A
Alessandro Zummo 已提交
364
config RTC_DRV_RS5C372
365
	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
366 367
	help
	  If you say yes here you get support for the
368
	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
369 370

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
371
	  will be called rtc-rs5c372.
372

A
Alessandro Zummo 已提交
373
config RTC_DRV_ISL1208
374
	tristate "Intersil ISL1208"
375 376
	help
	  If you say yes here you get support for the
377
	  Intersil ISL1208 RTC chip.
378 379

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
380
	  will be called rtc-isl1208.
381

382 383 384 385 386 387 388 389 390
config RTC_DRV_ISL12022
	tristate "Intersil ISL12022"
	help
	  If you say yes here you get support for the
	  Intersil ISL12022 RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-isl12022.

A
Alessandro Zummo 已提交
391 392
config RTC_DRV_X1205
	tristate "Xicor/Intersil X1205"
D
David Brownell 已提交
393
	help
A
Alessandro Zummo 已提交
394 395 396 397 398
	  If you say yes here you get support for the
	  Xicor/Intersil X1205 RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-x1205.
D
David Brownell 已提交
399

T
Thierry Reding 已提交
400 401 402 403 404 405 406 407 408
config RTC_DRV_PCF8523
	tristate "NXP PCF8523"
	help
	  If you say yes here you get support for the NXP PCF8523 RTC
	  chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf8523.

409 410 411 412 413 414 415 416
config RTC_DRV_PCF85063
	tristate "NXP PCF85063"
	help
	  If you say yes here you get support for the PCF85063 RTC chip

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf85063.

417 418 419 420 421 422 423 424 425 426
config RTC_DRV_PCF8563
	tristate "Philips PCF8563/Epson RTC8564"
	help
	  If you say yes here you get support for the
	  Philips PCF8563 RTC chip. The Epson RTC8564
	  should work as well.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf8563.

427 428 429
config RTC_DRV_PCF8583
	tristate "Philips PCF8583"
	help
430
	  If you say yes here you get support for the Philips PCF8583
A
Alessandro Zummo 已提交
431
	  RTC chip found on Acorn RiscPCs. This driver supports the
432
	  platform specific method of retrieving the current year from
A
Alessandro Zummo 已提交
433 434
	  the RTC's SRAM. It will work on other platforms with the same
	  chip, but the year will probably have to be tweaked.
435 436 437 438

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf8583.

A
Atsushi Nemoto 已提交
439
config RTC_DRV_M41T80
440
	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
A
Atsushi Nemoto 已提交
441
	help
442 443
	  If you say Y here you will get support for the ST M41T60
	  and M41T80 RTC chips series. Currently, the following chips are
444
	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
445
	  M41ST85, M41ST87, and MicroCrystal RV4162.
A
Atsushi Nemoto 已提交
446 447 448 449

	  This driver can also be built as a module. If so, the module
	  will be called rtc-m41t80.

450
config RTC_DRV_M41T80_WDT
451
	bool "ST M41T65/M41T80 series RTC watchdog timer"
452 453 454
	depends on RTC_DRV_M41T80
	help
	  If you say Y here you will get support for the
455
	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
456

P
Piotr Ziecik 已提交
457 458 459 460 461 462 463 464 465
config RTC_DRV_BQ32K
	tristate "TI BQ32000"
	help
	  If you say Y here you will get support for the TI
	  BQ32000 I2C RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-bq32k.

D
David Brownell 已提交
466 467 468 469 470 471
config RTC_DRV_DM355EVM
	tristate "TI DaVinci DM355 EVM RTC"
	depends on MFD_DM355EVM_MSP
	help
	  Supports the RTC firmware in the MSP430 on the DM355 EVM.

472
config RTC_DRV_TWL92330
473
	bool "TI TWL92330/Menelaus"
J
Jan Engelhardt 已提交
474
	depends on MENELAUS
475 476
	help
	  If you say yes here you get support for the RTC on the
M
Matt LaPlante 已提交
477
	  TWL92330 "Menelaus" power management chip, used with OMAP2
A
Alessandro Zummo 已提交
478
	  platforms. The support is integrated with the rest of
479 480
	  the Menelaus driver; it's not separate module.

D
David Brownell 已提交
481
config RTC_DRV_TWL4030
B
Balaji T K 已提交
482
	tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
483
	depends on TWL4030_CORE
D
David Brownell 已提交
484 485
	help
	  If you say yes here you get support for the RTC on the
B
Balaji T K 已提交
486
	  TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
D
David Brownell 已提交
487 488

	  This driver can also be built as a module. If so, the module
B
Balaji T K 已提交
489
	  will be called rtc-twl.
D
David Brownell 已提交
490

491 492 493 494 495 496 497 498 499 500
config RTC_DRV_PALMAS
	tristate "TI Palmas RTC driver"
	depends on MFD_PALMAS
	help
	  If you say yes here you get support for the RTC of TI PALMA series PMIC
	  chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-palma.

501 502 503 504
config RTC_DRV_TPS6586X
	tristate "TI TPS6586X RTC driver"
	depends on MFD_TPS6586X
	help
M
Masanari Iida 已提交
505
	  TI Power Management IC TPS6586X supports RTC functionality
506 507 508
	  along with alarm. This driver supports the RTC driver for
	  the TPS6586X RTC module.

509 510 511 512 513 514 515 516 517 518
config RTC_DRV_TPS65910
	tristate "TI TPS65910 RTC driver"
	depends on RTC_CLASS && MFD_TPS65910
	help
	  If you say yes here you get support for the RTC on the
	  TPS65910 chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-tps65910.

519 520 521 522
config RTC_DRV_TPS80031
	tristate "TI TPS80031/TPS80032 RTC driver"
	depends on MFD_TPS80031
	help
M
Masanari Iida 已提交
523
	  TI Power Management IC TPS80031 supports RTC functionality
524 525 526
	  along with alarm. This driver supports the RTC driver for
	  the TPS80031 RTC module.

527 528 529 530 531 532 533 534 535 536
config RTC_DRV_RC5T583
	tristate "RICOH 5T583 RTC driver"
	depends on MFD_RC5T583
	help
	  If you say yes here you get support for the RTC on the
	  RICOH 5T583 chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rc5t583.

537 538
config RTC_DRV_S35390A
	tristate "Seiko Instruments S-35390A"
539
	select BITREVERSE
540 541 542 543 544 545 546
	help
	  If you say yes here you will get support for the Seiko
	  Instruments S-35390A.

	  This driver can also be built as a module. If so the module
	  will be called rtc-s35390a.

S
Sergey Lapin 已提交
547 548 549 550 551 552 553 554 555 556 557
config RTC_DRV_FM3130
	tristate "Ramtron FM3130"
	help
	  If you say Y here you will get support for the
	  Ramtron FM3130 RTC chips.
	  Ramtron FM3130 is a chip with two separate devices inside,
	  RTC clock and FRAM. This driver provides only RTC functionality.

	  This driver can also be built as a module. If so the module
	  will be called rtc-fm3130.

A
Akshay Bhat 已提交
558 559 560 561 562 563 564 565 566 567
config RTC_DRV_RX8010
	tristate "Epson RX8010SJ"
	depends on I2C
	help
	  If you say yes here you get support for the Epson RX8010SJ RTC
	  chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rx8010.

568 569 570 571 572 573 574 575
config RTC_DRV_RX8581
	tristate "Epson RX-8581"
	help
	  If you say yes here you will get support for the Epson RX-8581.

	  This driver can also be built as a module. If so the module
	  will be called rtc-rx8581.

576 577 578 579 580 581 582 583 584
config RTC_DRV_RX8025
	tristate "Epson RX-8025SA/NB"
	help
	  If you say yes here you get support for the Epson
	  RX-8025SA/NB RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rx8025.

M
Mike Rapoport 已提交
585 586 587 588 589 590 591 592 593
config RTC_DRV_EM3027
	tristate "EM Microelectronic EM3027"
	help
	  If you say yes here you get support for the EM
	  Microelectronic EM3027 RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-em3027.

594
config RTC_DRV_RV8803
595
	tristate "Micro Crystal RV8803, Epson RX8900"
596
	help
597 598
	  If you say yes here you get support for the Micro Crystal RV8803 and
	  Epson RX8900 RTC chips.
599 600 601 602

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rv8803.

603
config RTC_DRV_S5M
604
	tristate "Samsung S2M/S5M series"
605 606
	depends on MFD_SEC_CORE || COMPILE_TEST
	select REGMAP_IRQ
607 608
	help
	  If you say yes here you will get support for the
609
	  RTC of Samsung S2MPS14 and S5M PMIC series.
610 611 612 613

	  This driver can also be built as a module. If so, the module
	  will be called rtc-s5m.

J
Jan Engelhardt 已提交
614 615
endif # I2C

A
Alessandro Zummo 已提交
616
comment "SPI RTC drivers"
J
Jan Engelhardt 已提交
617 618

if SPI_MASTER
A
Alessandro Zummo 已提交
619

620
config RTC_DRV_M41T93
A
Alexandre Belloni 已提交
621 622 623 624
	tristate "ST M41T93"
	help
	  If you say yes here you will get support for the
	  ST M41T93 SPI RTC chip.
625

A
Alexandre Belloni 已提交
626 627
	  This driver can also be built as a module. If so, the module
	  will be called rtc-m41t93.
628

629 630 631 632 633 634 635 636 637
config RTC_DRV_M41T94
	tristate "ST M41T94"
	help
	  If you say yes here you will get support for the
	  ST M41T94 SPI RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-m41t94.

S
Sergey Yanovich 已提交
638 639 640 641 642 643 644 645 646
config RTC_DRV_DS1302
	tristate "Dallas/Maxim DS1302"
	depends on SPI
	help
	  If you say yes here you get support for the Dallas DS1302 RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1302.

D
David Brownell 已提交
647 648 649 650
config RTC_DRV_DS1305
	tristate "Dallas/Maxim DS1305/DS1306"
	help
	  Select this driver to get support for the Dallas/Maxim DS1305
A
Alessandro Zummo 已提交
651
	  and DS1306 real time clock chips. These support a trickle
D
David Brownell 已提交
652 653 654 655 656
	  charger, alarms, and NVRAM in addition to the clock.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1305.

657
config RTC_DRV_DS1343
R
Raghavendra Ganiga 已提交
658
	select REGMAP_SPI
659 660 661 662 663 664 665 666 667
	tristate "Dallas/Maxim DS1343/DS1344"
	help
	  If you say yes here you get support for the
	  Dallas/Maxim DS1343 and DS1344 real time clock chips.
	  Support for trickle charger, alarm is provided.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1343.

668
config RTC_DRV_DS1347
669
	select REGMAP_SPI
670 671 672 673 674 675 676 677 678 679 680
	tristate "Dallas/Maxim DS1347"
	help
	  If you say yes here you get support for the
	  Dallas/Maxim DS1347 chips.

	  This driver only supports the RTC feature, and not other chip
	  features such as alarms.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1347.

681 682 683
config RTC_DRV_DS1390
	tristate "Dallas/Maxim DS1390/93/94"
	help
684 685
	  If you say yes here you get support for the
	  Dallas/Maxim DS1390/93/94 chips.
686

687 688
	  This driver supports the RTC feature and trickle charging but not
	  other chip features such as alarms.
689 690 691 692

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1390.

693 694 695 696 697 698 699 700 701 702 703 704
config RTC_DRV_MAX6916
	tristate "Maxim MAX6916"
	help
	  If you say yes here you will get support for the
	  Maxim MAX6916 SPI RTC chip.

	  This driver only supports the RTC feature, and not other chip
	  features such as alarms.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max6916.

705 706 707 708 709 710 711 712 713
config RTC_DRV_R9701
	tristate "Epson RTC-9701JE"
	help
	  If you say yes here you will get support for the
	  Epson RTC-9701JE SPI RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-r9701.

714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
config RTC_DRV_RX4581
	tristate "Epson RX-4581"
	help
	  If you say yes here you will get support for the Epson RX-4581.

	  This driver can also be built as a module. If so the module
	  will be called rtc-rx4581.

config RTC_DRV_RX6110
	tristate "Epson RX-6110"
	select REGMAP_SPI
	help
	  If you say yes here you will get support for the Epson RX-6610.

	  This driver can also be built as a module. If so the module
	  will be called rtc-rx6110.

731 732 733 734 735 736 737 738 739
config RTC_DRV_RS5C348
	tristate "Ricoh RS5C348A/B"
	help
	  If you say yes here you get support for the
	  Ricoh RS5C348A and RS5C348B RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rs5c348.

740 741 742 743 744 745 746 747 748
config RTC_DRV_MAX6902
	tristate "Maxim MAX6902"
	help
	  If you say yes here you will get support for the
	  Maxim MAX6902 SPI RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-max6902.

749 750 751 752 753 754 755 756 757
config RTC_DRV_PCF2123
	tristate "NXP PCF2123"
	help
	  If you say yes here you get support for the NXP PCF2123
	  RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf2123.

758 759 760 761 762 763 764 765
config RTC_DRV_MCP795
	tristate "Microchip MCP795"
	help
	  If you say yes here you will get support for the Microchip MCP795.

	  This driver can also be built as a module. If so the module
	  will be called rtc-mcp795.

J
Jan Engelhardt 已提交
766 767
endif # SPI_MASTER

A
Akinobu Mita 已提交
768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792
#
# Helper to resolve issues with configs that have SPI enabled but I2C
# modular.  See SND_SOC_I2C_AND_SPI for more information
#
config RTC_I2C_AND_SPI
	tristate
	default m if I2C=m
	default y if I2C=y
	default y if SPI_MASTER=y
	select REGMAP_I2C if I2C
	select REGMAP_SPI if SPI_MASTER

comment "SPI and I2C RTC drivers"

config RTC_DRV_DS3232
	tristate "Dallas/Maxim DS3232/DS3234"
	depends on RTC_I2C_AND_SPI
	help
	  If you say yes here you get support for Dallas Semiconductor
	  DS3232 and DS3234 real-time clock chips. If an interrupt is associated
	  with the device, the alarm functionality is supported.

	  This driver can also be built as a module.  If so, the module
	  will be called rtc-ds3232.

793 794 795 796 797 798 799 800 801 802
config RTC_DRV_PCF2127
	tristate "NXP PCF2127"
	depends on RTC_I2C_AND_SPI
	help
	  If you say yes here you get support for the NXP PCF2127/29 RTC
	  chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-pcf2127.

803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821
config RTC_DRV_RV3029C2
	tristate "Micro Crystal RV3029/3049"
	depends on RTC_I2C_AND_SPI
	help
	  If you say yes here you get support for the Micro Crystal
	  RV3029 and RV3049 RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rv3029c2.

config RTC_DRV_RV3029_HWMON
	bool "HWMON support for RV3029/3049"
	depends on RTC_DRV_RV3029C2 && HWMON
	depends on !(RTC_DRV_RV3029C2=y && HWMON=m)
	default y
	help
	  Say Y here if you want to expose temperature sensor data on
	  rtc-rv3029.

A
Alessandro Zummo 已提交
822 823
comment "Platform RTC drivers"

824 825
# this 'CMOS' RTC driver is arch dependent because it requires
# <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
A
Alessandro Zummo 已提交
826 827 828 829
# global rtc_lock ... it's not yet just another platform_device.

config RTC_DRV_CMOS
	tristate "PC-style 'CMOS'"
830
	depends on X86 || ARM || M32R || PPC || MIPS || SPARC64 || MN10300
831
	default y if X86
832
	select RTC_MC146818_LIB
A
Alessandro Zummo 已提交
833 834 835 836 837 838 839 840
	help
	  Say "yes" here to get direct support for the real time clock
	  found in every PC or ACPI-based system, and some other boards.
	  Specifically the original MC146818, compatibles like those in
	  PC south bridges, the DS12887 or M48T86, some multifunction
	  or LPC bus chips, and so on.

	  Your system will need to define the platform device used by
A
Alessandro Zummo 已提交
841
	  this driver, otherwise it won't be accessible. This means
A
Alessandro Zummo 已提交
842 843 844 845 846 847
	  you can safely enable this driver if you don't know whether
	  or not your board has this kind of hardware.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-cmos.

R
Richard Henderson 已提交
848 849 850
config RTC_DRV_ALPHA
	bool "Alpha PC-style CMOS"
	depends on ALPHA
851
	select RTC_MC146818_LIB
R
Richard Henderson 已提交
852 853 854 855 856
	default y
	help
	  Direct support for the real-time clock found on every Alpha
	  system, specifically MC146818 compatibles.  If in doubt, say Y.

F
Feng Tang 已提交
857
config RTC_DRV_VRTC
858 859 860
	tristate "Virtual RTC for Intel MID platforms"
	depends on X86_INTEL_MID
	default y if X86_INTEL_MID
F
Feng Tang 已提交
861 862 863 864 865 866 867 868

	help
	Say "yes" here to get direct support for the real time clock
	found on Moorestown platforms. The VRTC is a emulated RTC that
	derives its clock source from a real RTC in the PMIC. The MC146818
	style programming interface is mostly conserved, but any
	updates are done via IPC calls to the system controller FW.

869 870
config RTC_DRV_DS1216
	tristate "Dallas DS1216"
J
Jan Engelhardt 已提交
871
	depends on SNI_RM
872 873 874
	help
	  If you say yes here you get support for the Dallas DS1216 RTC chips.

T
Thomas Bogendoerfer 已提交
875 876
config RTC_DRV_DS1286
	tristate "Dallas DS1286"
877
	depends on HAS_IOMEM
T
Thomas Bogendoerfer 已提交
878 879 880
	help
	  If you say yes here you get support for the Dallas DS1286 RTC chips.

881 882
config RTC_DRV_DS1511
	tristate "Dallas DS1511"
883
	depends on HAS_IOMEM
884 885 886 887 888 889 890
	help
	  If you say yes here you get support for the
	  Dallas DS1511 timekeeping/watchdog chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1511.

A
Alessandro Zummo 已提交
891
config RTC_DRV_DS1553
892
	tristate "Maxim/Dallas DS1553"
893
	depends on HAS_IOMEM
894 895
	help
	  If you say yes here you get support for the
896
	  Maxim/Dallas DS1553 timekeeping chip.
897 898

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
899 900
	  will be called rtc-ds1553.

901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990
config RTC_DRV_DS1685_FAMILY
	tristate "Dallas/Maxim DS1685 Family"
	help
	  If you say yes here you get support for the Dallas/Maxim DS1685
	  family of real time chips.  This family includes the DS1685/DS1687,
	  DS1689/DS1693, DS17285/DS17287, DS17485/DS17487, and
	  DS17885/DS17887 chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds1685.

choice
	prompt "Subtype"
	depends on RTC_DRV_DS1685_FAMILY
	default RTC_DRV_DS1685

config RTC_DRV_DS1685
	bool "DS1685/DS1687"
	help
	  This enables support for the Dallas/Maxim DS1685/DS1687 real time
	  clock chip.

	  This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30)
	  systems, as well as EPPC-405-UC modules by electronic system design
	  GmbH.

config RTC_DRV_DS1689
	bool "DS1689/DS1693"
	help
	  This enables support for the Dallas/Maxim DS1689/DS1693 real time
	  clock chip.

	  This is an older RTC chip, supplanted by the DS1685/DS1687 above,
	  which supports a few minor features such as Vcc, Vbat, and Power
	  Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.

	  It also works for the even older DS1688/DS1691 RTC chips, which are
	  virtually the same and carry the same model number.  Both chips
	  have 114 bytes of user NVRAM.

config RTC_DRV_DS17285
	bool "DS17285/DS17287"
	help
	  This enables support for the Dallas/Maxim DS17285/DS17287 real time
	  clock chip.

	  This chip features 2kb of extended NV-SRAM.  It may possibly be
	  found in some SGI O2 systems (rare).

config RTC_DRV_DS17485
	bool "DS17485/DS17487"
	help
	  This enables support for the Dallas/Maxim DS17485/DS17487 real time
	  clock chip.

	  This chip features 4kb of extended NV-SRAM.

config RTC_DRV_DS17885
	bool "DS17885/DS17887"
	help
	  This enables support for the Dallas/Maxim DS17885/DS17887 real time
	  clock chip.

	  This chip features 8kb of extended NV-SRAM.

endchoice

config RTC_DS1685_PROC_REGS
	bool "Display register values in /proc"
	depends on RTC_DRV_DS1685_FAMILY && PROC_FS
	help
	  Enable this to display a readout of all of the RTC registers in
	  /proc/drivers/rtc.  Keep in mind that this can potentially lead
	  to lost interrupts, as reading Control Register C will clear
	  all pending IRQ flags.

	  Unless you are debugging this driver, choose N.

config RTC_DS1685_SYSFS_REGS
	bool "SysFS access to RTC register bits"
	depends on RTC_DRV_DS1685_FAMILY && SYSFS
	help
	  Enable this to provide access to the RTC control register bits
	  in /sys.  Some of the bits are read-write, others are read-only.

	  Keep in mind that reading Control C's bits automatically clears
	  all pending IRQ flags - this can cause lost interrupts.

	  If you know that you need access to these bits, choose Y, Else N.

991 992
config RTC_DRV_DS1742
	tristate "Maxim/Dallas DS1742/1743"
993
	depends on HAS_IOMEM
994 995
	help
	  If you say yes here you get support for the
996
	  Maxim/Dallas DS1742/1743 timekeeping chip.
997 998

	  This driver can also be built as a module. If so, the module
999
	  will be called rtc-ds1742.
1000

1001 1002 1003 1004 1005 1006 1007 1008 1009
config RTC_DRV_DS2404
	tristate "Maxim/Dallas DS2404"
	help
	  If you say yes here you get support for the
	  Dallas DS2404 RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds2404.

1010 1011 1012 1013 1014 1015 1016
config RTC_DRV_DA9052
	tristate "Dialog DA9052/DA9053 RTC"
	depends on PMIC_DA9052
	help
	  Say y here to support the RTC driver for Dialog Semiconductor
	  DA9052-BC and DA9053-AA/Bx PMICs.

A
Ashish Jangam 已提交
1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
config RTC_DRV_DA9055
	tristate "Dialog Semiconductor DA9055 RTC"
	depends on MFD_DA9055
	help
	  If you say yes here you will get support for the
	  RTC of the Dialog DA9055 PMIC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-da9055

1027
config RTC_DRV_DA9063
1028 1029
	tristate "Dialog Semiconductor DA9063/DA9062 RTC"
	depends on MFD_DA9063 || MFD_DA9062
1030 1031
	help
	  If you say yes here you will get support for the RTC subsystem
1032
	  for the Dialog Semiconductor PMIC chips DA9063 and DA9062.
1033 1034 1035 1036

	  This driver can also be built as a module. If so, the module
	  will be called "rtc-da9063".

D
dann frazier 已提交
1037 1038
config RTC_DRV_EFI
	tristate "EFI RTC"
M
Matt Fleming 已提交
1039
	depends on EFI && !X86
D
dann frazier 已提交
1040 1041 1042 1043 1044 1045 1046
	help
	  If you say yes here you will get support for the EFI
	  Real Time Clock.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-efi.

1047 1048
config RTC_DRV_STK17TA8
	tristate "Simtek STK17TA8"
1049
	depends on HAS_IOMEM
A
Alessandro Zummo 已提交
1050 1051
	help
	  If you say yes here you get support for the
1052
	  Simtek STK17TA8 timekeeping chip.
A
Alessandro Zummo 已提交
1053 1054

	  This driver can also be built as a module. If so, the module
1055
	  will be called rtc-stk17ta8.
A
Alessandro Zummo 已提交
1056 1057 1058 1059 1060 1061 1062 1063 1064 1065

config RTC_DRV_M48T86
	tristate "ST M48T86/Dallas DS12887"
	help
	  If you say Y here you will get support for the
	  ST M48T86 and Dallas DS12887 RTC chips.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-m48t86.

T
Thomas Bogendoerfer 已提交
1066 1067
config RTC_DRV_M48T35
	tristate "ST M48T35"
1068
	depends on HAS_IOMEM
T
Thomas Bogendoerfer 已提交
1069 1070 1071 1072 1073 1074 1075
	help
	  If you say Y here you will get support for the
	  ST M48T35 RTC chip.

	  This driver can also be built as a module, if so, the module
	  will be called "rtc-m48t35".

1076
config RTC_DRV_M48T59
1077
	tristate "ST M48T59/M48T08/M48T02"
1078
	depends on HAS_IOMEM
1079 1080
	help
	  If you say Y here you will get support for the
1081 1082 1083 1084
	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.

	  These chips are usually found in Sun SPARC and UltraSPARC
	  workstations.
1085 1086 1087 1088

	  This driver can also be built as a module, if so, the module
	  will be called "rtc-m48t59".

1089 1090
config RTC_DRV_MSM6242
	tristate "Oki MSM6242"
1091
	depends on HAS_IOMEM
1092 1093 1094 1095 1096 1097 1098
	help
	  If you say yes here you get support for the Oki MSM6242
	  timekeeping chip. It is used in some Amiga models (e.g. A2000).

	  This driver can also be built as a module. If so, the module
	  will be called rtc-msm6242.

D
David S. Miller 已提交
1099 1100
config RTC_DRV_BQ4802
	tristate "TI BQ4802"
1101
	depends on HAS_IOMEM
D
David S. Miller 已提交
1102 1103 1104 1105 1106 1107 1108
	help
	  If you say Y here you will get support for the TI
	  BQ4802 RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-bq4802.

1109 1110
config RTC_DRV_RP5C01
	tristate "Ricoh RP5C01"
1111
	depends on HAS_IOMEM
1112 1113 1114 1115 1116 1117 1118 1119
	help
	  If you say yes here you get support for the Ricoh RP5C01
	  timekeeping chip. It is used in some Amiga models (e.g. A3000
	  and A4000).

	  This driver can also be built as a module. If so, the module
	  will be called rtc-rp5c01.

A
Alessandro Zummo 已提交
1120 1121 1122 1123 1124 1125 1126 1127 1128
config RTC_DRV_V3020
	tristate "EM Microelectronic V3020"
	help
	  If you say yes here you will get support for the
	  EM Microelectronic v3020 RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-v3020.

1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
config RTC_DRV_WM831X
	tristate "Wolfson Microelectronics WM831x RTC"
	depends on MFD_WM831X
	help
	  If you say yes here you will get support for the RTC subsystem
	  of the Wolfson Microelectronics WM831X series PMICs.

	  This driver can also be built as a module. If so, the module
	  will be called "rtc-wm831x".

1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
config RTC_DRV_WM8350
	tristate "Wolfson Microelectronics WM8350 RTC"
	depends on MFD_WM8350
	help
	  If you say yes here you will get support for the RTC subsystem
	  of the Wolfson Microelectronics WM8350.

	  This driver can also be built as a module. If so, the module
	  will be called "rtc-wm8350".

R
Rajeev Kumar 已提交
1149 1150
config RTC_DRV_SPEAR
	tristate "SPEAR ST RTC"
A
Alexandre Belloni 已提交
1151
	depends on PLAT_SPEAR || COMPILE_TEST
R
Rajeev Kumar 已提交
1152 1153 1154 1155 1156
	default y
	help
	 If you say Y here you will get support for the RTC found on
	 spear

B
Balaji Rao 已提交
1157 1158 1159 1160 1161 1162 1163
config RTC_DRV_PCF50633
	depends on MFD_PCF50633
	tristate "NXP PCF50633 RTC"
	help
	  If you say yes here you get support for the RTC subsystem of the
	  NXP PCF50633 used in embedded systems.

L
Linus Walleij 已提交
1164 1165 1166 1167 1168 1169 1170 1171
config RTC_DRV_AB3100
	tristate "ST-Ericsson AB3100 RTC"
	depends on AB3100_CORE
	default y if AB3100_CORE
	help
	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
	  support. This chip contains a battery- and capacitor-backed RTC.

1172 1173 1174
config RTC_DRV_AB8500
	tristate "ST-Ericsson AB8500 RTC"
	depends on AB8500_CORE
1175
	select RTC_INTF_DEV
1176
	select RTC_INTF_DEV_UIE_EMUL
1177 1178 1179 1180
	help
	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
	  support. This chip contains a battery- and capacitor-backed RTC.

1181 1182
config RTC_DRV_NUC900
	tristate "NUC910/NUC920 RTC driver"
A
Alexandre Belloni 已提交
1183
	depends on ARCH_W90X900 || COMPILE_TEST
1184 1185 1186
	help
	  If you say yes here you get support for the RTC subsystem of the
	  NUC910/NUC920 used in embedded systems.
L
Linus Walleij 已提交
1187

1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
config RTC_DRV_OPAL
	tristate "IBM OPAL RTC driver"
	depends on PPC_POWERNV
	default y
	help
	  If you say yes here you get support for the PowerNV platform RTC
	  driver based on OPAL interfaces.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-opal.

1199 1200 1201 1202 1203 1204 1205
config RTC_DRV_ZYNQMP
	tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
	depends on OF
	help
	  If you say yes here you get support for the RTC controller found on
	  Xilinx Zynq Ultrascale+ MPSoC.

A
Alessandro Zummo 已提交
1206 1207
comment "on-CPU RTC drivers"

1208 1209
config RTC_DRV_ASM9260
	tristate "Alphascale asm9260 RTC"
1210
	depends on MACH_ASM9260 || COMPILE_TEST
1211 1212 1213 1214 1215 1216 1217
	help
	  If you say yes here you get support for the RTC on the
	  Alphascale asm9260 SoC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-asm9260.

M
Miguel Aguilar 已提交
1218 1219
config RTC_DRV_DAVINCI
	tristate "TI DaVinci RTC"
A
Alexandre Belloni 已提交
1220
	depends on ARCH_DAVINCI_DM365 || COMPILE_TEST
M
Miguel Aguilar 已提交
1221 1222 1223 1224 1225 1226 1227
	help
	  If you say yes here you get support for the RTC on the
	  DaVinci platforms (DM365).

	  This driver can also be built as a module. If so, the module
	  will be called rtc-davinci.

1228 1229
config RTC_DRV_DIGICOLOR
	tristate "Conexant Digicolor RTC"
A
Alexandre Belloni 已提交
1230
	depends on ARCH_DIGICOLOR || COMPILE_TEST
1231 1232 1233 1234 1235 1236 1237
	help
	  If you say yes here you get support for the RTC on Conexant
	  Digicolor platforms. This currently includes the CX92755 SoC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-digicolor.

1238 1239
config RTC_DRV_IMXDI
	tristate "Freescale IMX DryIce Real Time Clock"
1240
	depends on ARCH_MXC
1241 1242 1243 1244 1245 1246
	help
	   Support for Freescale IMX DryIce RTC

	   This driver can also be built as a module, if so, the module
	   will be called "rtc-imxdi".

A
Alessandro Zummo 已提交
1247
config RTC_DRV_OMAP
1248
	tristate "TI OMAP Real Time Clock"
A
Alexandre Belloni 已提交
1249
	depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST
1250 1251 1252
	depends on OF
	depends on PINCTRL
	select GENERIC_PINCONF
A
Alessandro Zummo 已提交
1253
	help
A
Afzal Mohammed 已提交
1254
	  Say "yes" here to support the on chip real time clock
1255
	  present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
A
Afzal Mohammed 已提交
1256 1257 1258

	  This driver can also be built as a module, if so, module
	  will be called rtc-omap.
1259

1260 1261 1262 1263 1264 1265 1266
config HAVE_S3C_RTC
	bool
	help
	  This will include RTC support for Samsung SoCs. If
	  you want to include RTC support for any machine, kindly
	  select this in the respective mach-XXXX/Kconfig file.

1267 1268
config RTC_DRV_S3C
	tristate "Samsung S3C series SoC RTC"
A
Alexandre Belloni 已提交
1269
	depends on ARCH_S3C64XX || HAVE_S3C_RTC || COMPILE_TEST
1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
	help
	  RTC (Realtime Clock) driver for the clock inbuilt into the
	  Samsung S3C24XX series of SoCs. This can provide periodic
	  interrupt rates from 1Hz to 64Hz for user programs, and
	  wakeup from Alarm.

	  The driver currently supports the common features on all the
	  S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
	  and S3C2442.

	  This driver can also be build as a module. If so, the module
	  will be called rtc-s3c.

1283 1284
config RTC_DRV_EP93XX
	tristate "Cirrus Logic EP93XX"
A
Alexandre Belloni 已提交
1285
	depends on ARCH_EP93XX || COMPILE_TEST
1286 1287 1288 1289 1290 1291 1292
	help
	  If you say yes here you get support for the
	  RTC embedded in the Cirrus Logic EP93XX processors.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ep93xx.

1293
config RTC_DRV_SA1100
1294 1295
	tristate "SA11x0/PXA2xx/PXA910"
	depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
1296 1297 1298 1299 1300 1301
	help
	  If you say Y here you will get access to the real time clock
	  built into your SA11x0 or PXA2xx CPU.

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-sa1100.
1302

1303 1304
config RTC_DRV_SH
	tristate "SuperH On-Chip RTC"
1305
	depends on SUPERH && HAVE_CLK
1306 1307 1308 1309
	help
	  Say Y here to enable support for the on-chip RTC found in
	  most SuperH processors.

A
Alexandre Belloni 已提交
1310
	  To compile this driver as a module, choose M here: the
1311 1312
	  module will be called rtc-sh.

1313
config RTC_DRV_VR41XX
1314
	tristate "NEC VR41XX"
A
Alexandre Belloni 已提交
1315
	depends on CPU_VR41XX || COMPILE_TEST
1316 1317 1318 1319 1320 1321
	help
	  If you say Y here you will get access to the real time clock
	  built into your NEC VR41XX CPU.

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-vr41xx.
1322

1323 1324 1325 1326 1327 1328 1329 1330 1331 1332
config RTC_DRV_PL030
	tristate "ARM AMBA PL030 RTC"
	depends on ARM_AMBA
	help
	  If you say Y here you will get access to ARM AMBA
	  PrimeCell PL030 RTC found on certain ARM SOCs.

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-pl030.

1333 1334
config RTC_DRV_PL031
	tristate "ARM AMBA PL031 RTC"
J
Jan Engelhardt 已提交
1335
	depends on ARM_AMBA
1336 1337
	help
	  If you say Y here you will get access to ARM AMBA
A
Alessandro Zummo 已提交
1338
	  PrimeCell PL031 RTC found on certain ARM SOCs.
1339 1340 1341 1342

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-pl031.

1343 1344
config RTC_DRV_AT32AP700X
	tristate "AT32AP700X series RTC"
A
Alexandre Belloni 已提交
1345
	depends on PLATFORM_AT32AP || COMPILE_TEST
1346 1347 1348 1349
	help
	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
	  AT32AP700x family processors.

A
Andrew Victor 已提交
1350
config RTC_DRV_AT91RM9200
1351
	tristate "AT91RM9200 or some AT91SAM9 RTC"
A
Alexandre Belloni 已提交
1352
	depends on ARCH_AT91 || COMPILE_TEST
1353 1354
	help
	  Driver for the internal RTC (Realtime Clock) module found on
1355
	  Atmel AT91RM9200's and some  AT91SAM9 chips. On AT91SAM9 chips
1356 1357 1358
	  this is powered by the backup power supply.

config RTC_DRV_AT91SAM9
1359
	tristate "AT91SAM9 RTT as RTC"
A
Alexandre Belloni 已提交
1360
	depends on ARCH_AT91 || COMPILE_TEST
1361
	select MFD_SYSCON
1362
	help
1363 1364 1365 1366 1367 1368 1369 1370
	  Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
	  can be used as an RTC thanks to the backup power supply (e.g. a
	  small coin cell battery) which keeps this block and the GPBR
	  (General Purpose Backup Registers) block powered when the device
	  is shutdown.
	  Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
	  probably want to use the real RTC block instead of the "RTT as an
	  RTC" driver.
1371

1372 1373
config RTC_DRV_AU1XXX
	tristate "Au1xxx Counter0 RTC support"
1374
	depends on MIPS_ALCHEMY
1375 1376 1377 1378 1379 1380 1381
	help
	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
	  counter) to be used as a RTC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-au1xxx.

1382 1383
config RTC_DRV_BFIN
	tristate "Blackfin On-Chip RTC"
1384
	depends on BLACKFIN && !BF561
1385 1386 1387 1388 1389 1390 1391
	help
	  If you say yes here you will get support for the
	  Blackfin On-Chip Real Time Clock.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-bfin.

N
Nobuhiro Iwamatsu 已提交
1392 1393
config RTC_DRV_RS5C313
	tristate "Ricoh RS5C313"
J
Jan Engelhardt 已提交
1394
	depends on SH_LANDISK
N
Nobuhiro Iwamatsu 已提交
1395 1396 1397
	help
	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.

1398 1399 1400 1401
config RTC_DRV_GENERIC
	tristate "Generic RTC support"
	# Please consider writing a new RTC driver instead of using the generic
	# RTC abstraction
A
Alexandre Belloni 已提交
1402
	depends on PARISC || M68K || PPC || SUPERH32 || COMPILE_TEST
K
Kyle McMartin 已提交
1403
	help
1404 1405
	  Say Y or M here to enable RTC support on systems using the generic
	  RTC abstraction. If you do not know what you are doing, you should
K
Kyle McMartin 已提交
1406 1407
	  just say Y.

1408
config RTC_DRV_PXA
1409 1410 1411 1412
	tristate "PXA27x/PXA3xx"
	depends on ARCH_PXA
	select RTC_DRV_SA1100
	help
1413 1414 1415
         If you say Y here you will get access to the real time clock
         built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
         consisting of an SA1100 compatible RTC and the extended PXA RTC.
1416

A
Alexandre Belloni 已提交
1417 1418
	 This RTC driver uses PXA RTC registers available since pxa27x
	 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
1419

1420 1421
config RTC_DRV_VT8500
	tristate "VIA/WonderMedia 85xx SoC RTC"
A
Alexandre Belloni 已提交
1422
	depends on ARCH_VT8500 || COMPILE_TEST
1423 1424 1425 1426
	help
	  If you say Y here you will get access to the real time clock
	  built into your VIA VT8500 SoC or its relatives.

1427

1428 1429 1430 1431 1432 1433 1434
config RTC_DRV_SUN4V
	bool "SUN4V Hypervisor RTC"
	depends on SPARC64
	help
	  If you say Y here you will get support for the Hypervisor
	  based RTC on SUN4V systems.

C
Chen-Yu Tsai 已提交
1435 1436
config RTC_DRV_SUN6I
	tristate "Allwinner A31 RTC"
A
Alexandre Belloni 已提交
1437
	default MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
1438
	depends on ARCH_SUNXI
C
Chen-Yu Tsai 已提交
1439
	help
1440 1441
	  If you say Y here you will get support for the RTC found in
	  some Allwinner SoCs like the A31 or the A64.
C
Chen-Yu Tsai 已提交
1442

C
Carlo Caione 已提交
1443 1444
config RTC_DRV_SUNXI
	tristate "Allwinner sun4i/sun7i RTC"
A
Alexandre Belloni 已提交
1445
	depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST
C
Carlo Caione 已提交
1446 1447 1448 1449
	help
	  If you say Y here you will get support for the RTC found on
	  Allwinner A10/A20.

1450 1451 1452 1453 1454 1455 1456
config RTC_DRV_STARFIRE
	bool "Starfire RTC"
	depends on SPARC64
	help
	  If you say Y here you will get support for the RTC found on
	  Starfire systems.

A
Atsushi Nemoto 已提交
1457 1458 1459 1460 1461 1462 1463
config RTC_DRV_TX4939
	tristate "TX4939 SoC"
	depends on SOC_TX4939
	help
	  Driver for the internal RTC (Realtime Clock) module found on
	  Toshiba TX4939 SoC.

1464 1465
config RTC_DRV_MV
	tristate "Marvell SoC RTC"
A
Alexandre Belloni 已提交
1466
	depends on ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST
1467 1468 1469 1470 1471 1472 1473 1474
	help
	  If you say yes here you will get support for the in-chip RTC
	  that can be found in some of Marvell's SoC devices, such as
	  the Kirkwood 88F6281 and 88F6192.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-mv.

1475 1476
config RTC_DRV_ARMADA38X
	tristate "Armada 38x Marvell SoC RTC"
A
Alexandre Belloni 已提交
1477
	depends on ARCH_MVEBU || COMPILE_TEST
1478 1479 1480 1481 1482 1483 1484
	help
	  If you say yes here you will get support for the in-chip RTC
	  that can be found in the Armada 38x Marvell's SoC device

	  This driver can also be built as a module. If so, the module
	  will be called armada38x-rtc.

H
Hans Ulli Kroll 已提交
1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495
config RTC_DRV_GEMINI
	tristate "Gemini SoC RTC"
	depends on ARCH_GEMINI || COMPILE_TEST
	depends on HAS_IOMEM
	help
	  If you say Y here you will get support for the
	  RTC found on Gemini SoC's.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-gemini.

G
Geert Uytterhoeven 已提交
1496 1497 1498 1499 1500 1501 1502 1503 1504
config RTC_DRV_PS3
	tristate "PS3 RTC"
	depends on PPC_PS3
	help
	  If you say yes here you will get support for the RTC on PS3.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ps3.

1505 1506
config RTC_DRV_COH901331
	tristate "ST-Ericsson COH 901 331 RTC"
A
Alexandre Belloni 已提交
1507
	depends on ARCH_U300 || COMPILE_TEST
1508 1509 1510 1511 1512 1513 1514 1515 1516
	help
	  If you say Y here you will get access to ST-Ericsson
	  COH 901 331 RTC clock found in some ST-Ericsson Mobile
	  Platforms.

	  This driver can also be built as a module. If so, the module
	  will be called "rtc-coh901331".


1517
config RTC_DRV_STMP
1518
	tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
A
Alexandre Belloni 已提交
1519
	depends on ARCH_MXS || COMPILE_TEST
1520
	select STMP_DEVICE
1521 1522
	help
	  If you say yes here you will get support for the onboard
1523
	  STMP3xxx/i.MX23/i.MX28 RTC.
1524 1525 1526 1527

	  This driver can also be built as a module. If so, the module
	  will be called rtc-stmp3xxx.

D
Daniel Ribeiro 已提交
1528 1529 1530 1531 1532 1533 1534
config RTC_DRV_PCAP
	tristate "PCAP RTC"
	depends on EZX_PCAP
	help
	  If you say Y here you will get support for the RTC found on
	  the PCAP2 ASIC used on some Motorola phones.

1535 1536 1537
config RTC_DRV_MC13XXX
	depends on MFD_MC13XXX
	tristate "Freescale MC13xxx RTC"
1538
	help
1539 1540
	  This enables support for the RTCs found on Freescale's PMICs
	  MC13783 and MC13892.
1541

1542 1543
config RTC_DRV_MPC5121
	tristate "Freescale MPC5121 built-in RTC"
1544
	depends on PPC_MPC512x || PPC_MPC52xx
1545 1546
	help
	  If you say yes here you will get support for the
1547
	  built-in RTC on MPC5121 or on MPC5200.
1548 1549 1550 1551

	  This driver can also be built as a module. If so, the module
	  will be called rtc-mpc5121.

L
Lars-Peter Clausen 已提交
1552
config RTC_DRV_JZ4740
1553
	bool "Ingenic JZ4740 SoC"
1554
	depends on MACH_INGENIC || COMPILE_TEST
L
Lars-Peter Clausen 已提交
1555
	help
1556 1557
	  If you say yes here you get support for the Ingenic JZ47xx SoCs RTC
	  controllers.
L
Lars-Peter Clausen 已提交
1558

J
Joachim Eastwood 已提交
1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570
config RTC_DRV_LPC24XX
	tristate "NXP RTC for LPC178x/18xx/408x/43xx"
	depends on ARCH_LPC18XX || COMPILE_TEST
	depends on OF && HAS_IOMEM
	help
	  This enables support for the NXP RTC found which can be found on
	  NXP LPC178x/18xx/408x/43xx devices.

	  If you have one of the devices above enable this driver to use
	  the hardware RTC. This driver can also be buillt as a module. If
	  so, the module will be called rtc-lpc24xx.

1571
config RTC_DRV_LPC32XX
A
Alexandre Belloni 已提交
1572
	depends on ARCH_LPC32XX || COMPILE_TEST
1573 1574 1575 1576 1577 1578 1579
	tristate "NXP LPC32XX RTC"
	help
	  This enables support for the NXP RTC in the LPC32XX

	  This driver can also be buillt as a module. If so, the module
	  will be called rtc-lpc32xx.

1580 1581
config RTC_DRV_PM8XXX
	tristate "Qualcomm PMIC8XXX RTC"
A
Alexandre Belloni 已提交
1582
	depends on MFD_PM8XXX || MFD_SPMI_PMIC || COMPILE_TEST
1583 1584 1585 1586 1587 1588 1589
	help
	  If you say yes here you get support for the
	  Qualcomm PMIC8XXX RTC.

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-pm8xxx.

1590 1591
config RTC_DRV_TEGRA
	tristate "NVIDIA Tegra Internal RTC driver"
A
Alexandre Belloni 已提交
1592
	depends on ARCH_TEGRA || COMPILE_TEST
1593 1594 1595 1596 1597 1598 1599
	help
	  If you say yes here you get support for the
	  Tegra 200 series internal RTC module.

	  This drive can also be built as a module. If so, the module
	  will be called rtc-tegra.

1600 1601 1602 1603 1604 1605 1606
config RTC_DRV_TILE
	tristate "Tilera hypervisor RTC support"
	depends on TILE
	help
	  Enable support for the Linux driver side of the Tilera
	  hypervisor's real-time clock interface.

1607 1608 1609 1610 1611 1612 1613 1614 1615
config RTC_DRV_PUV3
	tristate "PKUnity v3 RTC support"
	depends on ARCH_PUV3
	help
	  This enables support for the RTC in the PKUnity-v3 SoCs.

	  This drive can also be built as a module. If so, the module
	  will be called rtc-puv3.

1616 1617
config RTC_DRV_LOONGSON1
	tristate "loongson1 RTC support"
1618
	depends on MACH_LOONGSON32
1619 1620 1621 1622 1623 1624 1625
	help
	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
	  counter) to be used as a RTC.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ls1x.

1626
config RTC_DRV_MXC
1627 1628 1629 1630 1631 1632 1633 1634 1635
	tristate "Freescale MXC Real Time Clock"
	depends on ARCH_MXC
	help
	   If you say yes here you get support for the Freescale MXC
	   RTC module.

	   This driver can also be built as a module, if so, the module
	   will be called "rtc-mxc".

1636 1637
config RTC_DRV_SNVS
	tristate "Freescale SNVS RTC support"
S
Shawn Guo 已提交
1638
	select REGMAP_MMIO
1639 1640 1641 1642 1643 1644 1645 1646 1647
	depends on HAS_IOMEM
	depends on OF
	help
	   If you say yes here you get support for the Freescale SNVS
	   Low Power (LP) RTC module.

	   This driver can also be built as a module, if so, the module
	   will be called "rtc-snvs".

1648 1649 1650 1651 1652 1653 1654
config RTC_DRV_SIRFSOC
	tristate "SiRFSOC RTC"
	depends on ARCH_SIRF
	help
	  Say "yes" here to support the real time clock on SiRF SOC chips.
	  This driver can also be built as a module called rtc-sirfsoc.

1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665
config RTC_DRV_ST_LPC
	tristate "STMicroelectronics LPC RTC"
	depends on ARCH_STI
	depends on OF
	help
	  Say Y here to include STMicroelectronics Low Power Controller
	  (LPC) based RTC support.

	  To compile this driver as a module, choose M here: the
	  module will be called rtc-st-lpc.

J
Jonas Jensen 已提交
1666 1667
config RTC_DRV_MOXART
	tristate "MOXA ART RTC"
1668
	depends on ARCH_MOXART || COMPILE_TEST
J
Jonas Jensen 已提交
1669 1670 1671 1672 1673 1674 1675
	help
	   If you say yes here you get support for the MOXA ART
	   RTC module.

	   This driver can also be built as a module. If so, the module
	   will be called rtc-moxart

1676 1677
config RTC_DRV_MT6397
	tristate "Mediatek Real Time Clock driver"
1678
	depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
1679 1680 1681 1682 1683 1684 1685
	help
	  This selects the Mediatek(R) RTC driver. RTC is part of Mediatek
	  MT6397 PMIC. You should enable MT6397 PMIC MFD before select
	  Mediatek(R) RTC driver.

	  If you want to use Mediatek(R) RTC interface, select Y or M here.

1686 1687
config RTC_DRV_XGENE
	tristate "APM X-Gene RTC"
1688
	depends on HAS_IOMEM
1689
	depends on ARCH_XGENE || COMPILE_TEST
1690 1691 1692 1693 1694 1695 1696
	help
	  If you say yes here you get support for the APM X-Gene SoC real time
	  clock.

	  This driver can also be built as a module, if so, the module
	  will be called "rtc-xgene".

1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
config RTC_DRV_PIC32
	tristate "Microchip PIC32 RTC"
	depends on MACH_PIC32
	default y
	help
	   If you say yes here you get support for the PIC32 RTC module.

	   This driver can also be built as a module. If so, the module
	   will be called rtc-pic32

1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722
comment "HID Sensor RTC drivers"

config RTC_DRV_HID_SENSOR_TIME
	tristate "HID Sensor Time"
	depends on USB_HID
	select IIO
	select HID_SENSOR_HUB
	select HID_SENSOR_IIO_COMMON
	help
	  Say yes here to build support for the HID Sensors of type Time.
	  This drivers makes such sensors available as RTCs.

	  If this driver is compiled as a module, it will be named
	  rtc-hid-sensor-time.


J
Jan Engelhardt 已提交
1723
endif # RTC_CLASS