Kconfig 25.7 KB
Newer Older
1
#
2 3 4 5
# RTC class/drivers configuration
#

config RTC_LIB
A
Alessandro Zummo 已提交
6 7
	tristate

J
Jan Engelhardt 已提交
8 9
menuconfig RTC_CLASS
	tristate "Real Time Clock"
A
Alessandro Zummo 已提交
10
	default n
J
Jan Engelhardt 已提交
11
	depends on !S390
A
Alessandro Zummo 已提交
12 13 14 15
	select RTC_LIB
	help
	  Generic RTC class support. If you say yes here, you will
 	  be allowed to plug one or more RTCs to your system. You will
16
	  probably want to enable one or more of the interfaces below.
A
Alessandro Zummo 已提交
17 18

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
19
	  will be called rtc-core.
A
Alessandro Zummo 已提交
20

J
Jan Engelhardt 已提交
21 22
if RTC_CLASS

A
Alessandro Zummo 已提交
23
config RTC_HCTOSYS
24
	bool "Set system time from RTC on startup and resume"
A
Alessandro Zummo 已提交
25 26 27
	depends on RTC_CLASS = y
	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"
A
Alessandro Zummo 已提交
34 35 36
	depends on RTC_HCTOSYS = y
	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
config RTC_DEBUG
	bool "RTC debug support"
	depends on RTC_CLASS = y
	help
	  Say yes here to enable debugging support in the RTC framework
	  and individual RTC drivers.

A
Alessandro Zummo 已提交
62 63
comment "RTC interfaces"

64
config RTC_INTF_SYSFS
D
David Brownell 已提交
65
	boolean "/sys/class/rtc/rtcN (sysfs)"
J
Jan Engelhardt 已提交
66
	depends on SYSFS
67 68
	default RTC_CLASS
	help
69 70
	  Say yes here if you want to use your RTCs using sysfs interfaces,
	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
71

A
Alessandro Zummo 已提交
72
	  If unsure, say Y.
73

74
config RTC_INTF_PROC
D
David Brownell 已提交
75
	boolean "/proc/driver/rtc (procfs for rtc0)"
J
Jan Engelhardt 已提交
76
	depends on PROC_FS
77 78
	default RTC_CLASS
	help
79
	  Say yes here if you want to use your first RTC through the proc
A
Alessandro Zummo 已提交
80
	  interface, /proc/driver/rtc. Other RTCs will not be available
81
	  through that API.
82

A
Alessandro Zummo 已提交
83
	  If unsure, say Y.
84

85
config RTC_INTF_DEV
D
David Brownell 已提交
86
	boolean "/dev/rtcN (character devices)"
87 88
	default RTC_CLASS
	help
89 90
	  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
91
	  /dev/rtcN.
92

A
Alessandro Zummo 已提交
93 94 95 96 97 98
	  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.
99

100 101 102 103
config RTC_INTF_DEV_UIE_EMUL
	bool "RTC UIE emulation on dev interface"
	depends on RTC_INTF_DEV
	help
104
	  Provides an emulation for RTC_UIE if the underlying rtc chip
105
	  driver does not expose RTC_UIE ioctls. Those requests generate
106
	  once-per-second update interrupts, used for synchronization.
107

108 109 110 111
	  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
112 113
config RTC_DRV_TEST
	tristate "Test driver/device"
114 115
	help
	  If you say yes here you get support for the
A
Alessandro Zummo 已提交
116 117 118 119 120 121
	  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.
122 123

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
124 125 126
	  will be called rtc-test.

comment "I2C RTC drivers"
J
Jan Engelhardt 已提交
127 128 129
	depends on I2C

if I2C
130

131
config RTC_DRV_DS1307
132
	tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
133 134
	help
	  If you say yes here you get support for various compatible RTC
A
Alessandro Zummo 已提交
135
	  chips (often with battery backup) connected with I2C. This driver
136
	  should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
137 138 139
	  EPSON RX-8025 and probably other chips. In some cases the RTC
	  must already have been initialized (by manufacturing or a
	  bootloader).
140 141 142

	  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
143
	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
D
David Brownell 已提交
144
	  sysfs, but other chip features may not be available.
145 146 147 148

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

S
Scott Wood 已提交
149
config RTC_DRV_DS1374
150
	tristate "Dallas/Maxim DS1374"
S
Scott Wood 已提交
151 152 153
	depends on RTC_CLASS && I2C
	help
	  If you say yes here you get support for Dallas Semiconductor
A
Alessandro Zummo 已提交
154
	  DS1374 real-time clock chips. If an interrupt is associated
S
Scott Wood 已提交
155 156
	  with the device, the alarm functionality is supported.

A
Alessandro Zummo 已提交
157
	  This driver can also be built as a module. If so, the module
S
Scott Wood 已提交
158 159
	  will be called rtc-ds1374.

A
Alessandro Zummo 已提交
160 161
config RTC_DRV_DS1672
	tristate "Dallas/Maxim DS1672"
162 163
	help
	  If you say yes here you get support for the
A
Alessandro Zummo 已提交
164
	  Dallas/Maxim DS1672 timekeeping chip.
165 166

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
167
	  will be called rtc-ds1672.
168

A
Alessandro Zummo 已提交
169
config RTC_DRV_MAX6900
170
	tristate "Maxim MAX6900"
171
	help
A
Alessandro Zummo 已提交
172 173
	  If you say yes here you will get support for the
	  Maxim MAX6900 I2C RTC chip.
174 175

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
176
	  will be called rtc-max6900.
177

H
Haojian Zhuang 已提交
178 179 180 181 182 183 184 185 186 187
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.

A
Alessandro Zummo 已提交
188
config RTC_DRV_RS5C372
189
	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
190 191
	help
	  If you say yes here you get support for the
192
	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
193 194

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
195
	  will be called rtc-rs5c372.
196

A
Alessandro Zummo 已提交
197
config RTC_DRV_ISL1208
198
	tristate "Intersil ISL1208"
199 200
	help
	  If you say yes here you get support for the
201
	  Intersil ISL1208 RTC chip.
202 203

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
204
	  will be called rtc-isl1208.
205

A
Alessandro Zummo 已提交
206 207
config RTC_DRV_X1205
	tristate "Xicor/Intersil X1205"
D
David Brownell 已提交
208
	help
A
Alessandro Zummo 已提交
209 210 211 212 213
	  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
214

215 216 217 218 219 220 221 222 223 224
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.

225 226 227
config RTC_DRV_PCF8583
	tristate "Philips PCF8583"
	help
228
	  If you say yes here you get support for the Philips PCF8583
A
Alessandro Zummo 已提交
229
	  RTC chip found on Acorn RiscPCs. This driver supports the
230
	  platform specific method of retrieving the current year from
A
Alessandro Zummo 已提交
231 232
	  the RTC's SRAM. It will work on other platforms with the same
	  chip, but the year will probably have to be tweaked.
233 234 235 236

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

A
Atsushi Nemoto 已提交
237
config RTC_DRV_M41T80
238
	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
A
Atsushi Nemoto 已提交
239
	help
240 241
	  If you say Y here you will get support for the ST M41T60
	  and M41T80 RTC chips series. Currently, the following chips are
242
	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
243
	  M41ST85, and M41ST87.
A
Atsushi Nemoto 已提交
244 245 246 247

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

248
config RTC_DRV_M41T80_WDT
249
	bool "ST M41T65/M41T80 series RTC watchdog timer"
250 251 252
	depends on RTC_DRV_M41T80
	help
	  If you say Y here you will get support for the
253
	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
254

P
Piotr Ziecik 已提交
255 256 257 258 259 260 261 262 263
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
264 265 266 267 268 269
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.

270 271
config RTC_DRV_TWL92330
	boolean "TI TWL92330/Menelaus"
J
Jan Engelhardt 已提交
272
	depends on MENELAUS
273 274
	help
	  If you say yes here you get support for the RTC on the
M
Matt LaPlante 已提交
275
	  TWL92330 "Menelaus" power management chip, used with OMAP2
A
Alessandro Zummo 已提交
276
	  platforms. The support is integrated with the rest of
277 278
	  the Menelaus driver; it's not separate module.

D
David Brownell 已提交
279
config RTC_DRV_TWL4030
B
Balaji T K 已提交
280
	tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
D
David Brownell 已提交
281 282 283
	depends on RTC_CLASS && TWL4030_CORE
	help
	  If you say yes here you get support for the RTC on the
B
Balaji T K 已提交
284
	  TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
D
David Brownell 已提交
285 286

	  This driver can also be built as a module. If so, the module
B
Balaji T K 已提交
287
	  will be called rtc-twl.
D
David Brownell 已提交
288

289 290
config RTC_DRV_S35390A
	tristate "Seiko Instruments S-35390A"
291
	select BITREVERSE
292 293 294 295 296 297 298
	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
299 300 301 302 303 304 305 306 307 308 309
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.

310 311 312 313 314 315 316 317
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.

318 319 320 321 322 323 324 325 326
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.

J
Jan Engelhardt 已提交
327 328
endif # I2C

A
Alessandro Zummo 已提交
329
comment "SPI RTC drivers"
J
Jan Engelhardt 已提交
330 331

if SPI_MASTER
A
Alessandro Zummo 已提交
332

333 334 335 336 337 338 339 340 341
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.

D
David Brownell 已提交
342 343 344 345
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
346
	  and DS1306 real time clock chips. These support a trickle
D
David Brownell 已提交
347 348 349 350 351
	  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.

352 353 354
config RTC_DRV_DS1390
	tristate "Dallas/Maxim DS1390/93/94"
	help
355 356
	  If you say yes here you get support for the
	  Dallas/Maxim DS1390/93/94 chips.
357 358 359 360 361 362 363

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

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

364 365 366 367 368 369 370 371 372
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.

373 374 375 376 377 378 379 380 381
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.

382 383 384 385 386 387 388 389 390
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.

391 392 393 394 395 396 397 398 399
config RTC_DRV_DS3234
	tristate "Maxim/Dallas DS3234"
	help
	  If you say yes here you get support for the
	  Maxim/Dallas DS3234 SPI RTC chip.

	  This driver can also be built as a module. If so, the module
	  will be called rtc-ds3234.

400 401 402 403 404 405 406 407 408
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.

J
Jan Engelhardt 已提交
409 410
endif # SPI_MASTER

A
Alessandro Zummo 已提交
411 412 413 414 415 416 417 418
comment "Platform RTC drivers"

# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
# global rtc_lock ... it's not yet just another platform_device.

config RTC_DRV_CMOS
	tristate "PC-style 'CMOS'"
419
	depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
420
	default y if X86
A
Alessandro Zummo 已提交
421 422 423 424 425 426 427 428
	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
429
	  this driver, otherwise it won't be accessible. This means
A
Alessandro Zummo 已提交
430 431 432 433 434 435
	  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.

436 437
config RTC_DRV_DS1216
	tristate "Dallas DS1216"
J
Jan Engelhardt 已提交
438
	depends on SNI_RM
439 440 441
	help
	  If you say yes here you get support for the Dallas DS1216 RTC chips.

T
Thomas Bogendoerfer 已提交
442 443 444 445 446
config RTC_DRV_DS1286
	tristate "Dallas DS1286"
	help
	  If you say yes here you get support for the Dallas DS1286 RTC chips.

P
Paul Mundt 已提交
447 448 449 450 451 452
config RTC_DRV_DS1302
	tristate "Dallas DS1302"
	depends on SH_SECUREEDGE5410
	help
	  If you say yes here you get support for the Dallas DS1302 RTC chips.

453 454 455 456 457 458 459 460 461 462
config RTC_DRV_DS1511
	tristate "Dallas DS1511"
	depends on RTC_CLASS
	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
463
config RTC_DRV_DS1553
464
	tristate "Maxim/Dallas DS1553"
465 466
	help
	  If you say yes here you get support for the
467
	  Maxim/Dallas DS1553 timekeeping chip.
468 469

	  This driver can also be built as a module. If so, the module
A
Alessandro Zummo 已提交
470 471
	  will be called rtc-ds1553.

472 473
config RTC_DRV_DS1742
	tristate "Maxim/Dallas DS1742/1743"
474 475
	help
	  If you say yes here you get support for the
476
	  Maxim/Dallas DS1742/1743 timekeeping chip.
477 478

	  This driver can also be built as a module. If so, the module
479
	  will be called rtc-ds1742.
480

D
dann frazier 已提交
481 482 483 484 485 486 487 488 489 490
config RTC_DRV_EFI
	tristate "EFI RTC"
	depends on IA64
	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.

491 492 493
config RTC_DRV_STK17TA8
	tristate "Simtek STK17TA8"
	depends on RTC_CLASS
A
Alessandro Zummo 已提交
494 495
	help
	  If you say yes here you get support for the
496
	  Simtek STK17TA8 timekeeping chip.
A
Alessandro Zummo 已提交
497 498

	  This driver can also be built as a module. If so, the module
499
	  will be called rtc-stk17ta8.
A
Alessandro Zummo 已提交
500 501 502 503 504 505 506 507 508 509

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
510 511 512 513 514 515 516 517 518
config RTC_DRV_M48T35
	tristate "ST M48T35"
	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".

519
config RTC_DRV_M48T59
520
	tristate "ST M48T59/M48T08/M48T02"
521 522
	help
	  If you say Y here you will get support for the
523 524 525 526
	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.

	  These chips are usually found in Sun SPARC and UltraSPARC
	  workstations.
527 528 529 530

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

531 532 533 534 535 536 537 538 539
config RTC_DRV_MSM6242
	tristate "Oki MSM6242"
	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.

540 541 542 543 544 545 546 547 548 549 550
config RTC_MXC
	tristate "Freescale MXC Real Time Clock"
	depends on ARCH_MXC
	depends on RTC_CLASS
	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".

D
David S. Miller 已提交
551 552 553 554 555 556 557 558 559
config RTC_DRV_BQ4802
	tristate "TI BQ4802"
	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.

560 561 562 563 564 565 566 567 568 569
config RTC_DRV_RP5C01
	tristate "Ricoh RP5C01"
	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
570 571 572 573 574 575 576 577 578
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.

579 580 581 582 583 584 585 586 587 588
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".

589 590 591 592 593 594 595 596 597 598
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".

B
Balaji Rao 已提交
599 600 601 602 603 604 605
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
606 607 608 609 610 611 612 613
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.

614 615 616 617 618 619
config RTC_DRV_NUC900
	tristate "NUC910/NUC920 RTC driver"
	depends on RTC_CLASS && ARCH_W90X900
	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
620

A
Alessandro Zummo 已提交
621 622 623 624
comment "on-CPU RTC drivers"

config RTC_DRV_OMAP
	tristate "TI OMAP1"
625
	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
A
Alessandro Zummo 已提交
626
	help
627 628 629
	  Say "yes" here to support the real time clock on TI OMAP1 and
	  DA8xx/OMAP-L13x chips.  This driver can also be built as a
	  module called rtc-omap.
630

631 632
config RTC_DRV_S3C
	tristate "Samsung S3C series SoC RTC"
J
Jan Engelhardt 已提交
633
	depends on ARCH_S3C2410
634 635 636 637 638 639 640 641 642 643 644 645 646
	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.

647 648
config RTC_DRV_EP93XX
	tristate "Cirrus Logic EP93XX"
J
Jan Engelhardt 已提交
649
	depends on ARCH_EP93XX
650 651 652 653 654 655 656
	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.

657 658
config RTC_DRV_SA1100
	tristate "SA11x0/PXA2xx"
J
Jan Engelhardt 已提交
659
	depends on ARCH_SA1100 || ARCH_PXA
660 661 662 663 664 665
	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.
666

667 668
config RTC_DRV_SH
	tristate "SuperH On-Chip RTC"
669
	depends on RTC_CLASS && SUPERH && HAVE_CLK
670 671 672 673 674 675 676
	help
	  Say Y here to enable support for the on-chip RTC found in
	  most SuperH processors.

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

677
config RTC_DRV_VR41XX
678
	tristate "NEC VR41XX"
J
Jan Engelhardt 已提交
679
	depends on CPU_VR41XX
680 681 682 683 684 685
	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.
686

687 688 689 690 691 692 693 694 695 696
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.

697 698
config RTC_DRV_PL031
	tristate "ARM AMBA PL031 RTC"
J
Jan Engelhardt 已提交
699
	depends on ARM_AMBA
700 701
	help
	  If you say Y here you will get access to ARM AMBA
A
Alessandro Zummo 已提交
702
	  PrimeCell PL031 RTC found on certain ARM SOCs.
703 704 705 706

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

707 708
config RTC_DRV_AT32AP700X
	tristate "AT32AP700X series RTC"
J
Jan Engelhardt 已提交
709
	depends on PLATFORM_AT32AP
710 711 712 713
	help
	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
	  AT32AP700x family processors.

A
Andrew Victor 已提交
714
config RTC_DRV_AT91RM9200
715 716 717 718
	tristate "AT91RM9200 or AT91SAM9RL"
	depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL
	help
	  Driver for the internal RTC (Realtime Clock) module found on
A
Alessandro Zummo 已提交
719
	  Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips
720 721 722
	  this is powered by the backup power supply.

config RTC_DRV_AT91SAM9
723
	tristate "AT91SAM9x/AT91CAP9"
724 725
	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
	help
726 727 728 729
	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
	  (Real Time Timer). These timers are powered by the backup power
	  supply (such as a small coin cell battery), but do not need to
	  be used as RTCs.
730 731 732 733 734 735 736 737 738 739 740

	  (On AT91SAM9rl chips you probably want to use the dedicated RTC
	  module and leave the RTT available for other uses.)

config RTC_DRV_AT91SAM9_RTT
	int
	range 0 1
	default 0
	prompt "RTT module Number" if ARCH_AT91SAM9263
	depends on RTC_DRV_AT91SAM9
	help
A
Alessandro Zummo 已提交
741 742
	  More than one RTT module is available. You can choose which
	  one will be used as an RTC. The default of zero is normally
743 744 745 746 747 748 749 750 751 752 753
	  OK to use, though some systems use that for non-RTC purposes.

config RTC_DRV_AT91SAM9_GPBR
	int
	range 0 3 if !ARCH_AT91SAM9263
	range 0 15 if ARCH_AT91SAM9263
	default 0
	prompt "Backup Register Number"
	depends on RTC_DRV_AT91SAM9
	help
	  The RTC driver needs to use one of the General Purpose Backup
A
Alessandro Zummo 已提交
754 755
	  Registers (GPBRs) as well as the RTT. You can choose which one
	  will be used. The default of zero is normally OK to use, but
756
	  on some systems other software needs to use that register.
A
Andrew Victor 已提交
757

758 759 760 761 762 763 764 765 766 767
config RTC_DRV_AU1XXX
	tristate "Au1xxx Counter0 RTC support"
	depends on SOC_AU1X00
	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.

768 769
config RTC_DRV_BFIN
	tristate "Blackfin On-Chip RTC"
770
	depends on BLACKFIN && !BF561
771 772 773 774 775 776 777
	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
778 779
config RTC_DRV_RS5C313
	tristate "Ricoh RS5C313"
J
Jan Engelhardt 已提交
780
	depends on SH_LANDISK
N
Nobuhiro Iwamatsu 已提交
781 782 783
	help
	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.

784 785 786 787
config RTC_DRV_GENERIC
	tristate "Generic RTC support"
	# Please consider writing a new RTC driver instead of using the generic
	# RTC abstraction
P
Paul Mundt 已提交
788
	depends on PARISC || M68K || PPC || SUPERH32
K
Kyle McMartin 已提交
789
	help
790 791
	  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
792 793
	  just say Y.

794 795 796 797 798 799 800 801 802 803 804
config RTC_DRV_PXA
       tristate "PXA27x/PXA3xx"
       depends on ARCH_PXA
       help
         If you say Y here you will get access to the real time clock
         built into your PXA27x or PXA3xx CPU.

         This RTC driver uses PXA RTC registers available since pxa27x
         series (RDxR, RYxR) instead of legacy RCNR, RTAR.


805 806 807 808 809 810 811
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.

812 813 814 815 816 817 818
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
819 820 821 822 823 824 825
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.

826 827
config RTC_DRV_MV
	tristate "Marvell SoC RTC"
828
	depends on ARCH_KIRKWOOD || ARCH_DOVE
829 830 831 832 833 834 835 836
	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.

G
Geert Uytterhoeven 已提交
837 838 839 840 841 842 843 844 845
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.

846 847 848 849 850 851 852 853 854 855 856 857
config RTC_DRV_COH901331
	tristate "ST-Ericsson COH 901 331 RTC"
	depends on ARCH_U300
	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".


858 859 860 861 862 863 864 865 866 867
config RTC_DRV_STMP
	tristate "Freescale STMP3xxx RTC"
	depends on ARCH_STMP3XXX
	help
	  If you say yes here you will get support for the onboard
	  STMP3xxx RTC.

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

D
Daniel Ribeiro 已提交
868 869 870 871 872 873 874
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.

875 876 877 878 879 880
config RTC_DRV_MC13783
	depends on MFD_MC13783
	tristate "Freescale MC13783 RTC"
	help
	  This enables support for the Freescale MC13783 PMIC RTC

881 882 883 884 885 886 887 888 889 890
config RTC_DRV_MPC5121
	tristate "Freescale MPC5121 built-in RTC"
	depends on PPC_MPC512x && RTC_CLASS
	help
	  If you say yes here you will get support for the
	  built-in RTC MPC5121.

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

J
Jan Engelhardt 已提交
891
endif # RTC_CLASS