1#
   2# RTC class/drivers configuration
   3#
   4
   5config RTC_LIB
   6	bool
   7
   8menuconfig RTC_CLASS
   9	bool "Real Time Clock"
  10	default n
  11	depends on !S390 && !UML
  12	select RTC_LIB
  13	help
  14	  Generic RTC class support. If you say yes here, you will
  15 	  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.
  17
  18if RTC_CLASS
  19
  20config RTC_HCTOSYS
  21	bool "Set system time from RTC on startup and resume"
  22	depends on RTC_CLASS = y
  23	default y
  24	help
  25	  If you say yes here, the system time (wall clock) will be set using
  26	  the value read from a specified RTC device. This is useful to avoid
  27	  unnecessary fsck runs at boot time, and to network better.
  28
 
 
 
 
 
 
 
 
  29config RTC_HCTOSYS_DEVICE
  30	string "RTC used to set the system time"
  31	depends on RTC_HCTOSYS = y
  32	default "rtc0"
  33	help
  34	  The RTC device that will be used to (re)initialize the system
  35	  clock, usually rtc0. Initialization is done when the system
  36	  starts up, and when it resumes from a low power state. This
  37	  device should record time in UTC, since the kernel won't do
  38	  timezone correction.
  39
  40	  The driver for this RTC device must be loaded before late_initcall
  41	  functions run, so it must usually be statically linked.
  42
  43	  This clock should be battery-backed, so that it reads the correct
  44	  time when the system boots from a power-off state. Otherwise, your
  45	  system will need an external clock source (like an NTP server).
  46
  47	  If the clock you specify here is not battery backed, it may still
  48	  be useful to reinitialize system time when resuming from system
  49	  sleep states. Do not specify an RTC here unless it stays powered
  50	  during all this system's supported sleep states.
  51
  52config RTC_DEBUG
  53	bool "RTC debug support"
  54	depends on RTC_CLASS = y
  55	help
  56	  Say yes here to enable debugging support in the RTC framework
  57	  and individual RTC drivers.
  58
  59comment "RTC interfaces"
  60
  61config RTC_INTF_SYSFS
  62	boolean "/sys/class/rtc/rtcN (sysfs)"
  63	depends on SYSFS
  64	default RTC_CLASS
  65	help
  66	  Say yes here if you want to use your RTCs using sysfs interfaces,
  67	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
  68
  69	  If unsure, say Y.
  70
  71config RTC_INTF_PROC
  72	boolean "/proc/driver/rtc (procfs for rtc0)"
  73	depends on PROC_FS
  74	default RTC_CLASS
  75	help
  76	  Say yes here if you want to use your first RTC through the proc
  77	  interface, /proc/driver/rtc. Other RTCs will not be available
  78	  through that API.
 
 
  79
  80	  If unsure, say Y.
  81
  82config RTC_INTF_DEV
  83	boolean "/dev/rtcN (character devices)"
  84	default RTC_CLASS
  85	help
  86	  Say yes here if you want to use your RTCs using the /dev
  87	  interfaces, which "udev" sets up as /dev/rtc0 through
  88	  /dev/rtcN.
  89
  90	  You may want to set up a symbolic link so one of these
  91	  can be accessed as /dev/rtc, which is a name
  92	  expected by "hwclock" and some other programs. Recent
  93	  versions of "udev" are known to set up the symlink for you.
  94
  95	  If unsure, say Y.
  96
  97config RTC_INTF_DEV_UIE_EMUL
  98	bool "RTC UIE emulation on dev interface"
  99	depends on RTC_INTF_DEV
 100	help
 101	  Provides an emulation for RTC_UIE if the underlying rtc chip
 102	  driver does not expose RTC_UIE ioctls. Those requests generate
 103	  once-per-second update interrupts, used for synchronization.
 104
 105	  The emulation code will read the time from the hardware
 106	  clock several times per second, please enable this option
 107	  only if you know that you really need it.
 108
 109config RTC_DRV_TEST
 110	tristate "Test driver/device"
 111	help
 112	  If you say yes here you get support for the
 113	  RTC test driver. It's a software RTC which can be
 114	  used to test the RTC subsystem APIs. It gets
 115	  the time from the system clock.
 116	  You want this driver only if you are doing development
 117	  on the RTC subsystem. Please read the source code
 118	  for further details.
 119
 120	  This driver can also be built as a module. If so, the module
 121	  will be called rtc-test.
 122
 123comment "I2C RTC drivers"
 124	depends on I2C
 125
 126if I2C
 127
 128config RTC_DRV_88PM860X
 129	tristate "Marvell 88PM860x"
 130	depends on RTC_CLASS && I2C && MFD_88PM860X
 131	help
 132	  If you say yes here you get support for RTC function in Marvell
 133	  88PM860x chips.
 134
 135	  This driver can also be built as a module. If so, the module
 136	  will be called rtc-88pm860x.
 137
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 138config RTC_DRV_DS1307
 139	tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
 140	help
 141	  If you say yes here you get support for various compatible RTC
 142	  chips (often with battery backup) connected with I2C. This driver
 143	  should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
 144	  EPSON RX-8025 and probably other chips. In some cases the RTC
 145	  must already have been initialized (by manufacturing or a
 146	  bootloader).
 147
 148	  The first seven registers on these chips hold an RTC, and other
 149	  registers may add features such as NVRAM, a trickle charger for
 150	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
 151	  sysfs, but other chip features may not be available.
 152
 153	  This driver can also be built as a module. If so, the module
 154	  will be called rtc-ds1307.
 155
 156config RTC_DRV_DS1374
 157	tristate "Dallas/Maxim DS1374"
 158	depends on RTC_CLASS && I2C
 159	help
 160	  If you say yes here you get support for Dallas Semiconductor
 161	  DS1374 real-time clock chips. If an interrupt is associated
 162	  with the device, the alarm functionality is supported.
 163
 164	  This driver can also be built as a module. If so, the module
 165	  will be called rtc-ds1374.
 166
 167config RTC_DRV_DS1672
 168	tristate "Dallas/Maxim DS1672"
 169	help
 170	  If you say yes here you get support for the
 171	  Dallas/Maxim DS1672 timekeeping chip.
 172
 173	  This driver can also be built as a module. If so, the module
 174	  will be called rtc-ds1672.
 175
 176config RTC_DRV_DS3232
 177	tristate "Dallas/Maxim DS3232"
 178	depends on RTC_CLASS && I2C
 179	help
 180	  If you say yes here you get support for Dallas Semiconductor
 181	  DS3232 real-time clock chips. If an interrupt is associated
 182	  with the device, the alarm functionality is supported.
 183
 184	  This driver can also be built as a module.  If so, the module
 185	  will be called rtc-ds3232.
 186
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 187config RTC_DRV_MAX6900
 188	tristate "Maxim MAX6900"
 189	help
 190	  If you say yes here you will get support for the
 191	  Maxim MAX6900 I2C RTC chip.
 192
 193	  This driver can also be built as a module. If so, the module
 194	  will be called rtc-max6900.
 195
 
 
 
 
 
 
 
 
 
 
 196config RTC_DRV_MAX8925
 197	tristate "Maxim MAX8925"
 198	depends on MFD_MAX8925
 199	help
 200	  If you say yes here you will get support for the
 201	  RTC of Maxim MAX8925 PMIC.
 202
 203	  This driver can also be built as a module. If so, the module
 204	  will be called rtc-max8925.
 205
 206config RTC_DRV_MAX8998
 207	tristate "Maxim MAX8998"
 208	depends on MFD_MAX8998
 209	help
 210	  If you say yes here you will get support for the
 211	  RTC of Maxim MAX8998 PMIC.
 212
 213	  This driver can also be built as a module. If so, the module
 214	  will be called rtc-max8998.
 215
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 216config RTC_DRV_RS5C372
 217	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 218	help
 219	  If you say yes here you get support for the
 220	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
 221
 222	  This driver can also be built as a module. If so, the module
 223	  will be called rtc-rs5c372.
 224
 225config RTC_DRV_ISL1208
 226	tristate "Intersil ISL1208"
 227	help
 228	  If you say yes here you get support for the
 229	  Intersil ISL1208 RTC chip.
 230
 231	  This driver can also be built as a module. If so, the module
 232	  will be called rtc-isl1208.
 233
 234config RTC_DRV_ISL12022
 235	tristate "Intersil ISL12022"
 236	help
 237	  If you say yes here you get support for the
 238	  Intersil ISL12022 RTC chip.
 239
 240	  This driver can also be built as a module. If so, the module
 241	  will be called rtc-isl12022.
 242
 
 
 
 
 
 
 
 
 
 
 
 243config RTC_DRV_X1205
 244	tristate "Xicor/Intersil X1205"
 245	help
 246	  If you say yes here you get support for the
 247	  Xicor/Intersil X1205 RTC chip.
 248
 249	  This driver can also be built as a module. If so, the module
 250	  will be called rtc-x1205.
 251
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 252config RTC_DRV_PCF8563
 253	tristate "Philips PCF8563/Epson RTC8564"
 254	help
 255	  If you say yes here you get support for the
 256	  Philips PCF8563 RTC chip. The Epson RTC8564
 257	  should work as well.
 258
 259	  This driver can also be built as a module. If so, the module
 260	  will be called rtc-pcf8563.
 261
 262config RTC_DRV_PCF8583
 263	tristate "Philips PCF8583"
 264	help
 265	  If you say yes here you get support for the Philips PCF8583
 266	  RTC chip found on Acorn RiscPCs. This driver supports the
 267	  platform specific method of retrieving the current year from
 268	  the RTC's SRAM. It will work on other platforms with the same
 269	  chip, but the year will probably have to be tweaked.
 270
 271	  This driver can also be built as a module. If so, the module
 272	  will be called rtc-pcf8583.
 273
 274config RTC_DRV_M41T80
 275	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
 276	help
 277	  If you say Y here you will get support for the ST M41T60
 278	  and M41T80 RTC chips series. Currently, the following chips are
 279	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
 280	  M41ST85, and M41ST87.
 281
 282	  This driver can also be built as a module. If so, the module
 283	  will be called rtc-m41t80.
 284
 285config RTC_DRV_M41T80_WDT
 286	bool "ST M41T65/M41T80 series RTC watchdog timer"
 287	depends on RTC_DRV_M41T80
 288	help
 289	  If you say Y here you will get support for the
 290	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
 291
 292config RTC_DRV_BQ32K
 293	tristate "TI BQ32000"
 294	help
 295	  If you say Y here you will get support for the TI
 296	  BQ32000 I2C RTC chip.
 297
 298	  This driver can also be built as a module. If so, the module
 299	  will be called rtc-bq32k.
 300
 301config RTC_DRV_DM355EVM
 302	tristate "TI DaVinci DM355 EVM RTC"
 303	depends on MFD_DM355EVM_MSP
 304	help
 305	  Supports the RTC firmware in the MSP430 on the DM355 EVM.
 306
 307config RTC_DRV_TWL92330
 308	boolean "TI TWL92330/Menelaus"
 309	depends on MENELAUS
 310	help
 311	  If you say yes here you get support for the RTC on the
 312	  TWL92330 "Menelaus" power management chip, used with OMAP2
 313	  platforms. The support is integrated with the rest of
 314	  the Menelaus driver; it's not separate module.
 315
 316config RTC_DRV_TWL4030
 317	tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
 318	depends on RTC_CLASS && TWL4030_CORE
 319	help
 320	  If you say yes here you get support for the RTC on the
 321	  TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
 322
 323	  This driver can also be built as a module. If so, the module
 324	  will be called rtc-twl.
 325
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 326config RTC_DRV_S35390A
 327	tristate "Seiko Instruments S-35390A"
 328	select BITREVERSE
 329	help
 330	  If you say yes here you will get support for the Seiko
 331	  Instruments S-35390A.
 332
 333	  This driver can also be built as a module. If so the module
 334	  will be called rtc-s35390a.
 335
 336config RTC_DRV_FM3130
 337	tristate "Ramtron FM3130"
 338	help
 339	  If you say Y here you will get support for the
 340	  Ramtron FM3130 RTC chips.
 341	  Ramtron FM3130 is a chip with two separate devices inside,
 342	  RTC clock and FRAM. This driver provides only RTC functionality.
 343
 344	  This driver can also be built as a module. If so the module
 345	  will be called rtc-fm3130.
 346
 347config RTC_DRV_RX8581
 348	tristate "Epson RX-8581"
 349	help
 350	  If you say yes here you will get support for the Epson RX-8581.
 351
 352	  This driver can also be built as a module. If so the module
 353	  will be called rtc-rx8581.
 354
 355config RTC_DRV_RX8025
 356	tristate "Epson RX-8025SA/NB"
 357	help
 358	  If you say yes here you get support for the Epson
 359	  RX-8025SA/NB RTC chips.
 360
 361	  This driver can also be built as a module. If so, the module
 362	  will be called rtc-rx8025.
 363
 364config RTC_DRV_EM3027
 365	tristate "EM Microelectronic EM3027"
 366	help
 367	  If you say yes here you get support for the EM
 368	  Microelectronic EM3027 RTC chips.
 369
 370	  This driver can also be built as a module. If so, the module
 371	  will be called rtc-em3027.
 372
 373config RTC_DRV_RV3029C2
 374	tristate "Micro Crystal RTC"
 375	help
 376	  If you say yes here you get support for the Micro Crystal
 377	  RV3029-C2 RTC chips.
 378
 379	  This driver can also be built as a module. If so, the module
 380	  will be called rtc-rv3029c2.
 381
 
 
 
 
 
 
 
 
 
 
 382endif # I2C
 383
 384comment "SPI RTC drivers"
 385
 386if SPI_MASTER
 387
 388config RTC_DRV_M41T93
 389        tristate "ST M41T93"
 390        help
 391          If you say yes here you will get support for the
 392          ST M41T93 SPI RTC chip.
 393
 394          This driver can also be built as a module. If so, the module
 395          will be called rtc-m41t93.
 396
 397config RTC_DRV_M41T94
 398	tristate "ST M41T94"
 399	help
 400	  If you say yes here you will get support for the
 401	  ST M41T94 SPI RTC chip.
 402
 403	  This driver can also be built as a module. If so, the module
 404	  will be called rtc-m41t94.
 405
 406config RTC_DRV_DS1305
 407	tristate "Dallas/Maxim DS1305/DS1306"
 408	help
 409	  Select this driver to get support for the Dallas/Maxim DS1305
 410	  and DS1306 real time clock chips. These support a trickle
 411	  charger, alarms, and NVRAM in addition to the clock.
 412
 413	  This driver can also be built as a module. If so, the module
 414	  will be called rtc-ds1305.
 415
 
 
 
 
 
 
 
 
 
 
 
 
 416config RTC_DRV_DS1390
 417	tristate "Dallas/Maxim DS1390/93/94"
 418	help
 419	  If you say yes here you get support for the
 420	  Dallas/Maxim DS1390/93/94 chips.
 421
 422	  This driver only supports the RTC feature, and not other chip
 423	  features such as alarms and trickle charging.
 424
 425	  This driver can also be built as a module. If so, the module
 426	  will be called rtc-ds1390.
 427
 428config RTC_DRV_MAX6902
 429	tristate "Maxim MAX6902"
 430	help
 431	  If you say yes here you will get support for the
 432	  Maxim MAX6902 SPI RTC chip.
 433
 434	  This driver can also be built as a module. If so, the module
 435	  will be called rtc-max6902.
 436
 437config RTC_DRV_R9701
 438	tristate "Epson RTC-9701JE"
 439	help
 440	  If you say yes here you will get support for the
 441	  Epson RTC-9701JE SPI RTC chip.
 442
 443	  This driver can also be built as a module. If so, the module
 444	  will be called rtc-r9701.
 445
 446config RTC_DRV_RS5C348
 447	tristate "Ricoh RS5C348A/B"
 448	help
 449	  If you say yes here you get support for the
 450	  Ricoh RS5C348A and RS5C348B RTC chips.
 451
 452	  This driver can also be built as a module. If so, the module
 453	  will be called rtc-rs5c348.
 454
 455config RTC_DRV_DS3234
 456	tristate "Maxim/Dallas DS3234"
 457	help
 458	  If you say yes here you get support for the
 459	  Maxim/Dallas DS3234 SPI RTC chip.
 460
 461	  This driver can also be built as a module. If so, the module
 462	  will be called rtc-ds3234.
 463
 464config RTC_DRV_PCF2123
 465	tristate "NXP PCF2123"
 466	help
 467	  If you say yes here you get support for the NXP PCF2123
 468	  RTC chip.
 469
 470	  This driver can also be built as a module. If so, the module
 471	  will be called rtc-pcf2123.
 472
 
 
 
 
 
 
 
 
 473endif # SPI_MASTER
 474
 475comment "Platform RTC drivers"
 476
 477# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
 478# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
 479# global rtc_lock ... it's not yet just another platform_device.
 480
 481config RTC_DRV_CMOS
 482	tristate "PC-style 'CMOS'"
 483	depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
 484	default y if X86
 485	help
 486	  Say "yes" here to get direct support for the real time clock
 487	  found in every PC or ACPI-based system, and some other boards.
 488	  Specifically the original MC146818, compatibles like those in
 489	  PC south bridges, the DS12887 or M48T86, some multifunction
 490	  or LPC bus chips, and so on.
 491
 492	  Your system will need to define the platform device used by
 493	  this driver, otherwise it won't be accessible. This means
 494	  you can safely enable this driver if you don't know whether
 495	  or not your board has this kind of hardware.
 496
 497	  This driver can also be built as a module. If so, the module
 498	  will be called rtc-cmos.
 499
 
 
 
 
 
 
 
 
 500config RTC_DRV_VRTC
 501	tristate "Virtual RTC for Intel MID platforms"
 502	depends on X86_INTEL_MID
 503	default y if X86_INTEL_MID
 504
 505	help
 506	Say "yes" here to get direct support for the real time clock
 507	found on Moorestown platforms. The VRTC is a emulated RTC that
 508	derives its clock source from a real RTC in the PMIC. The MC146818
 509	style programming interface is mostly conserved, but any
 510	updates are done via IPC calls to the system controller FW.
 511
 512config RTC_DRV_DS1216
 513	tristate "Dallas DS1216"
 514	depends on SNI_RM
 515	help
 516	  If you say yes here you get support for the Dallas DS1216 RTC chips.
 517
 518config RTC_DRV_DS1286
 519	tristate "Dallas DS1286"
 520	help
 521	  If you say yes here you get support for the Dallas DS1286 RTC chips.
 522
 523config RTC_DRV_DS1302
 524	tristate "Dallas DS1302"
 525	depends on SH_SECUREEDGE5410
 526	help
 527	  If you say yes here you get support for the Dallas DS1302 RTC chips.
 528
 529config RTC_DRV_DS1511
 530	tristate "Dallas DS1511"
 531	depends on RTC_CLASS
 532	help
 533	  If you say yes here you get support for the
 534	  Dallas DS1511 timekeeping/watchdog chip.
 535
 536	  This driver can also be built as a module. If so, the module
 537	  will be called rtc-ds1511.
 538
 539config RTC_DRV_DS1553
 540	tristate "Maxim/Dallas DS1553"
 541	help
 542	  If you say yes here you get support for the
 543	  Maxim/Dallas DS1553 timekeeping chip.
 544
 545	  This driver can also be built as a module. If so, the module
 546	  will be called rtc-ds1553.
 547
 548config RTC_DRV_DS1742
 549	tristate "Maxim/Dallas DS1742/1743"
 550	help
 551	  If you say yes here you get support for the
 552	  Maxim/Dallas DS1742/1743 timekeeping chip.
 553
 554	  This driver can also be built as a module. If so, the module
 555	  will be called rtc-ds1742.
 556
 557config RTC_DRV_DA9052
 558	tristate "Dialog DA9052/DA9053 RTC"
 559	depends on PMIC_DA9052
 560	help
 561	  Say y here to support the RTC driver for Dialog Semiconductor
 562	  DA9052-BC and DA9053-AA/Bx PMICs.
 563
 
 
 
 
 
 
 
 
 
 
 564config RTC_DRV_EFI
 565	tristate "EFI RTC"
 566	depends on IA64
 567	help
 568	  If you say yes here you will get support for the EFI
 569	  Real Time Clock.
 570
 571	  This driver can also be built as a module. If so, the module
 572	  will be called rtc-efi.
 573
 574config RTC_DRV_STK17TA8
 575	tristate "Simtek STK17TA8"
 576	depends on RTC_CLASS
 577	help
 578	  If you say yes here you get support for the
 579	  Simtek STK17TA8 timekeeping chip.
 580
 581	  This driver can also be built as a module. If so, the module
 582	  will be called rtc-stk17ta8.
 583
 584config RTC_DRV_M48T86
 585	tristate "ST M48T86/Dallas DS12887"
 586	help
 587	  If you say Y here you will get support for the
 588	  ST M48T86 and Dallas DS12887 RTC chips.
 589
 590	  This driver can also be built as a module. If so, the module
 591	  will be called rtc-m48t86.
 592
 593config RTC_DRV_M48T35
 594	tristate "ST M48T35"
 595	help
 596	  If you say Y here you will get support for the
 597	  ST M48T35 RTC chip.
 598
 599	  This driver can also be built as a module, if so, the module
 600	  will be called "rtc-m48t35".
 601
 602config RTC_DRV_M48T59
 603	tristate "ST M48T59/M48T08/M48T02"
 604	help
 605	  If you say Y here you will get support for the
 606	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
 607
 608	  These chips are usually found in Sun SPARC and UltraSPARC
 609	  workstations.
 610
 611	  This driver can also be built as a module, if so, the module
 612	  will be called "rtc-m48t59".
 613
 614config RTC_DRV_MSM6242
 615	tristate "Oki MSM6242"
 616	help
 617	  If you say yes here you get support for the Oki MSM6242
 618	  timekeeping chip. It is used in some Amiga models (e.g. A2000).
 619
 620	  This driver can also be built as a module. If so, the module
 621	  will be called rtc-msm6242.
 622
 623config RTC_DRV_BQ4802
 624	tristate "TI BQ4802"
 625	help
 626	  If you say Y here you will get support for the TI
 627	  BQ4802 RTC chip.
 628
 629	  This driver can also be built as a module. If so, the module
 630	  will be called rtc-bq4802.
 631
 632config RTC_DRV_RP5C01
 633	tristate "Ricoh RP5C01"
 634	help
 635	  If you say yes here you get support for the Ricoh RP5C01
 636	  timekeeping chip. It is used in some Amiga models (e.g. A3000
 637	  and A4000).
 638
 639	  This driver can also be built as a module. If so, the module
 640	  will be called rtc-rp5c01.
 641
 642config RTC_DRV_V3020
 643	tristate "EM Microelectronic V3020"
 644	help
 645	  If you say yes here you will get support for the
 646	  EM Microelectronic v3020 RTC chip.
 647
 648	  This driver can also be built as a module. If so, the module
 649	  will be called rtc-v3020.
 650
 
 
 
 
 
 
 
 
 
 651config RTC_DRV_WM831X
 652	tristate "Wolfson Microelectronics WM831x RTC"
 653	depends on MFD_WM831X
 654	help
 655	  If you say yes here you will get support for the RTC subsystem
 656	  of the Wolfson Microelectronics WM831X series PMICs.
 657
 658	  This driver can also be built as a module. If so, the module
 659	  will be called "rtc-wm831x".
 660
 661config RTC_DRV_WM8350
 662	tristate "Wolfson Microelectronics WM8350 RTC"
 663	depends on MFD_WM8350
 664	help
 665	  If you say yes here you will get support for the RTC subsystem
 666	  of the Wolfson Microelectronics WM8350.
 667
 668	  This driver can also be built as a module. If so, the module
 669	  will be called "rtc-wm8350".
 670
 671config RTC_DRV_SPEAR
 672	tristate "SPEAR ST RTC"
 673	depends on PLAT_SPEAR
 674	default y
 675	help
 676	 If you say Y here you will get support for the RTC found on
 677	 spear
 678
 679config RTC_DRV_PCF50633
 680	depends on MFD_PCF50633
 681	tristate "NXP PCF50633 RTC"
 682	help
 683	  If you say yes here you get support for the RTC subsystem of the
 684	  NXP PCF50633 used in embedded systems.
 685
 686config RTC_DRV_AB3100
 687	tristate "ST-Ericsson AB3100 RTC"
 688	depends on AB3100_CORE
 689	default y if AB3100_CORE
 690	help
 691	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
 692	  support. This chip contains a battery- and capacitor-backed RTC.
 693
 694config RTC_DRV_AB8500
 695	tristate "ST-Ericsson AB8500 RTC"
 696	depends on AB8500_CORE
 
 
 697	help
 698	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
 699	  support. This chip contains a battery- and capacitor-backed RTC.
 700
 701config RTC_DRV_NUC900
 702	tristate "NUC910/NUC920 RTC driver"
 703	depends on RTC_CLASS && ARCH_W90X900
 704	help
 705	  If you say yes here you get support for the RTC subsystem of the
 706	  NUC910/NUC920 used in embedded systems.
 707
 708comment "on-CPU RTC drivers"
 709
 710config RTC_DRV_DAVINCI
 711	tristate "TI DaVinci RTC"
 712	depends on ARCH_DAVINCI_DM365
 713	help
 714	  If you say yes here you get support for the RTC on the
 715	  DaVinci platforms (DM365).
 716
 717	  This driver can also be built as a module. If so, the module
 718	  will be called rtc-davinci.
 719
 720config RTC_DRV_IMXDI
 721	tristate "Freescale IMX DryIce Real Time Clock"
 722	depends on SOC_IMX25
 723	depends on RTC_CLASS
 724	help
 725	   Support for Freescale IMX DryIce RTC
 726
 727	   This driver can also be built as a module, if so, the module
 728	   will be called "rtc-imxdi".
 729
 730config RTC_DRV_OMAP
 731	tristate "TI OMAP1"
 732	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
 733	help
 734	  Say "yes" here to support the real time clock on TI OMAP1 and
 735	  DA8xx/OMAP-L13x chips.  This driver can also be built as a
 736	  module called rtc-omap.
 
 
 737
 738config HAVE_S3C_RTC
 739	bool
 740	help
 741	  This will include RTC support for Samsung SoCs. If
 742	  you want to include RTC support for any machine, kindly
 743	  select this in the respective mach-XXXX/Kconfig file.
 744
 745config RTC_DRV_S3C
 746	tristate "Samsung S3C series SoC RTC"
 747	depends on ARCH_S3C64XX || HAVE_S3C_RTC
 748	help
 749	  RTC (Realtime Clock) driver for the clock inbuilt into the
 750	  Samsung S3C24XX series of SoCs. This can provide periodic
 751	  interrupt rates from 1Hz to 64Hz for user programs, and
 752	  wakeup from Alarm.
 753
 754	  The driver currently supports the common features on all the
 755	  S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
 756	  and S3C2442.
 757
 758	  This driver can also be build as a module. If so, the module
 759	  will be called rtc-s3c.
 760
 761config RTC_DRV_EP93XX
 762	tristate "Cirrus Logic EP93XX"
 763	depends on ARCH_EP93XX
 764	help
 765	  If you say yes here you get support for the
 766	  RTC embedded in the Cirrus Logic EP93XX processors.
 767
 768	  This driver can also be built as a module. If so, the module
 769	  will be called rtc-ep93xx.
 770
 771config RTC_DRV_SA1100
 772	tristate "SA11x0/PXA2xx/PXA910"
 773	depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
 774	help
 775	  If you say Y here you will get access to the real time clock
 776	  built into your SA11x0 or PXA2xx CPU.
 777
 778	  To compile this driver as a module, choose M here: the
 779	  module will be called rtc-sa1100.
 780
 781config RTC_DRV_SH
 782	tristate "SuperH On-Chip RTC"
 783	depends on RTC_CLASS && SUPERH && HAVE_CLK
 784	help
 785	  Say Y here to enable support for the on-chip RTC found in
 786	  most SuperH processors.
 787
 788 	  To compile this driver as a module, choose M here: the
 789	  module will be called rtc-sh.
 790
 791config RTC_DRV_VR41XX
 792	tristate "NEC VR41XX"
 793	depends on CPU_VR41XX
 794	help
 795	  If you say Y here you will get access to the real time clock
 796	  built into your NEC VR41XX CPU.
 797
 798	  To compile this driver as a module, choose M here: the
 799	  module will be called rtc-vr41xx.
 800
 801config RTC_DRV_PL030
 802	tristate "ARM AMBA PL030 RTC"
 803	depends on ARM_AMBA
 804	help
 805	  If you say Y here you will get access to ARM AMBA
 806	  PrimeCell PL030 RTC found on certain ARM SOCs.
 807
 808	  To compile this driver as a module, choose M here: the
 809	  module will be called rtc-pl030.
 810
 811config RTC_DRV_PL031
 812	tristate "ARM AMBA PL031 RTC"
 813	depends on ARM_AMBA
 814	help
 815	  If you say Y here you will get access to ARM AMBA
 816	  PrimeCell PL031 RTC found on certain ARM SOCs.
 817
 818	  To compile this driver as a module, choose M here: the
 819	  module will be called rtc-pl031.
 820
 821config RTC_DRV_AT32AP700X
 822	tristate "AT32AP700X series RTC"
 823	depends on PLATFORM_AT32AP
 824	help
 825	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
 826	  AT32AP700x family processors.
 827
 828config RTC_DRV_AT91RM9200
 829	tristate "AT91RM9200 or some AT91SAM9 RTC"
 830	depends on ARCH_AT91
 831	help
 832	  Driver for the internal RTC (Realtime Clock) module found on
 833	  Atmel AT91RM9200's and some  AT91SAM9 chips. On AT91SAM9 chips
 834	  this is powered by the backup power supply.
 835
 836config RTC_DRV_AT91SAM9
 837	tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
 838	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
 839	help
 840	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
 841	  (Real Time Timer). These timers are powered by the backup power
 842	  supply (such as a small coin cell battery), but do not need to
 843	  be used as RTCs.
 844
 845	  (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
 846	  dedicated RTC module and leave the RTT available for other uses.)
 847
 848config RTC_DRV_AT91SAM9_RTT
 849	int
 850	range 0 1
 851	default 0
 852	prompt "RTT module Number" if ARCH_AT91SAM9263
 853	depends on RTC_DRV_AT91SAM9
 854	help
 855	  More than one RTT module is available. You can choose which
 856	  one will be used as an RTC. The default of zero is normally
 857	  OK to use, though some systems use that for non-RTC purposes.
 858
 859config RTC_DRV_AT91SAM9_GPBR
 860	int
 861	range 0 3 if !ARCH_AT91SAM9263
 862	range 0 15 if ARCH_AT91SAM9263
 863	default 0
 864	prompt "Backup Register Number"
 865	depends on RTC_DRV_AT91SAM9
 866	help
 867	  The RTC driver needs to use one of the General Purpose Backup
 868	  Registers (GPBRs) as well as the RTT. You can choose which one
 869	  will be used. The default of zero is normally OK to use, but
 870	  on some systems other software needs to use that register.
 871
 872config RTC_DRV_AU1XXX
 873	tristate "Au1xxx Counter0 RTC support"
 874	depends on MIPS_ALCHEMY
 875	help
 876	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
 877	  counter) to be used as a RTC.
 878
 879	  This driver can also be built as a module. If so, the module
 880	  will be called rtc-au1xxx.
 881
 882config RTC_DRV_BFIN
 883	tristate "Blackfin On-Chip RTC"
 884	depends on BLACKFIN && !BF561
 885	help
 886	  If you say yes here you will get support for the
 887	  Blackfin On-Chip Real Time Clock.
 888
 889	  This driver can also be built as a module. If so, the module
 890	  will be called rtc-bfin.
 891
 892config RTC_DRV_RS5C313
 893	tristate "Ricoh RS5C313"
 894	depends on SH_LANDISK
 895	help
 896	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
 897
 898config RTC_DRV_GENERIC
 899	tristate "Generic RTC support"
 900	# Please consider writing a new RTC driver instead of using the generic
 901	# RTC abstraction
 902	depends on PARISC || M68K || PPC || SUPERH32
 903	help
 904	  Say Y or M here to enable RTC support on systems using the generic
 905	  RTC abstraction. If you do not know what you are doing, you should
 906	  just say Y.
 907
 908config RTC_DRV_PXA
 909       tristate "PXA27x/PXA3xx"
 910       depends on ARCH_PXA
 911       help
 912         If you say Y here you will get access to the real time clock
 913         built into your PXA27x or PXA3xx CPU.
 914
 915         This RTC driver uses PXA RTC registers available since pxa27x
 916         series (RDxR, RYxR) instead of legacy RCNR, RTAR.
 917
 918config RTC_DRV_VT8500
 919	tristate "VIA/WonderMedia 85xx SoC RTC"
 920	depends on ARCH_VT8500
 921	help
 922	  If you say Y here you will get access to the real time clock
 923	  built into your VIA VT8500 SoC or its relatives.
 924
 925
 926config RTC_DRV_SUN4V
 927	bool "SUN4V Hypervisor RTC"
 928	depends on SPARC64
 929	help
 930	  If you say Y here you will get support for the Hypervisor
 931	  based RTC on SUN4V systems.
 932
 
 
 
 
 
 
 
 933config RTC_DRV_STARFIRE
 934	bool "Starfire RTC"
 935	depends on SPARC64
 936	help
 937	  If you say Y here you will get support for the RTC found on
 938	  Starfire systems.
 939
 940config RTC_DRV_TX4939
 941	tristate "TX4939 SoC"
 942	depends on SOC_TX4939
 943	help
 944	  Driver for the internal RTC (Realtime Clock) module found on
 945	  Toshiba TX4939 SoC.
 946
 947config RTC_DRV_MV
 948	tristate "Marvell SoC RTC"
 949	depends on ARCH_KIRKWOOD || ARCH_DOVE
 950	help
 951	  If you say yes here you will get support for the in-chip RTC
 952	  that can be found in some of Marvell's SoC devices, such as
 953	  the Kirkwood 88F6281 and 88F6192.
 954
 955	  This driver can also be built as a module. If so, the module
 956	  will be called rtc-mv.
 957
 958config RTC_DRV_PS3
 959	tristate "PS3 RTC"
 960	depends on PPC_PS3
 961	help
 962	  If you say yes here you will get support for the RTC on PS3.
 963
 964	  This driver can also be built as a module. If so, the module
 965	  will be called rtc-ps3.
 966
 967config RTC_DRV_COH901331
 968	tristate "ST-Ericsson COH 901 331 RTC"
 969	depends on ARCH_U300
 970	help
 971	  If you say Y here you will get access to ST-Ericsson
 972	  COH 901 331 RTC clock found in some ST-Ericsson Mobile
 973	  Platforms.
 974
 975	  This driver can also be built as a module. If so, the module
 976	  will be called "rtc-coh901331".
 977
 978
 979config RTC_DRV_STMP
 980	tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
 981	depends on ARCH_MXS
 982	help
 983	  If you say yes here you will get support for the onboard
 984	  STMP3xxx/i.MX23/i.MX28 RTC.
 985
 986	  This driver can also be built as a module. If so, the module
 987	  will be called rtc-stmp3xxx.
 988
 989config RTC_DRV_PCAP
 990	tristate "PCAP RTC"
 991	depends on EZX_PCAP
 992	help
 993	  If you say Y here you will get support for the RTC found on
 994	  the PCAP2 ASIC used on some Motorola phones.
 995
 996config RTC_DRV_MC13XXX
 997	depends on MFD_MC13XXX
 998	tristate "Freescale MC13xxx RTC"
 999	help
1000	  This enables support for the RTCs found on Freescale's PMICs
1001	  MC13783 and MC13892.
1002
1003config RTC_DRV_MPC5121
1004	tristate "Freescale MPC5121 built-in RTC"
1005	depends on PPC_MPC512x || PPC_MPC52xx
1006	help
1007	  If you say yes here you will get support for the
1008	  built-in RTC on MPC5121 or on MPC5200.
1009
1010	  This driver can also be built as a module. If so, the module
1011	  will be called rtc-mpc5121.
1012
1013config RTC_DRV_JZ4740
1014	tristate "Ingenic JZ4740 SoC"
1015	depends on RTC_CLASS
1016	depends on MACH_JZ4740
1017	help
1018	  If you say yes here you get support for the Ingenic JZ4740 SoC RTC
1019	  controller.
1020
1021	  This driver can also be buillt as a module. If so, the module
1022	  will be called rtc-jz4740.
1023
1024config RTC_DRV_LPC32XX
1025	depends on ARCH_LPC32XX
1026	tristate "NXP LPC32XX RTC"
1027	help
1028	  This enables support for the NXP RTC in the LPC32XX
1029
1030	  This driver can also be buillt as a module. If so, the module
1031	  will be called rtc-lpc32xx.
1032
1033config RTC_DRV_PM8XXX
1034	tristate "Qualcomm PMIC8XXX RTC"
1035	depends on MFD_PM8XXX
1036	help
1037	  If you say yes here you get support for the
1038	  Qualcomm PMIC8XXX RTC.
1039
1040	  To compile this driver as a module, choose M here: the
1041	  module will be called rtc-pm8xxx.
1042
1043config RTC_DRV_TEGRA
1044	tristate "NVIDIA Tegra Internal RTC driver"
1045	depends on RTC_CLASS && ARCH_TEGRA
1046	help
1047	  If you say yes here you get support for the
1048	  Tegra 200 series internal RTC module.
1049
1050	  This drive can also be built as a module. If so, the module
1051	  will be called rtc-tegra.
1052
1053config RTC_DRV_TILE
1054	tristate "Tilera hypervisor RTC support"
1055	depends on TILE
1056	help
1057	  Enable support for the Linux driver side of the Tilera
1058	  hypervisor's real-time clock interface.
1059
1060config RTC_DRV_PUV3
1061	tristate "PKUnity v3 RTC support"
1062	depends on ARCH_PUV3
1063	help
1064	  This enables support for the RTC in the PKUnity-v3 SoCs.
1065
1066	  This drive can also be built as a module. If so, the module
1067	  will be called rtc-puv3.
1068
1069config RTC_DRV_LOONGSON1
1070	tristate "loongson1 RTC support"
1071	depends on MACH_LOONGSON1
1072	help
1073	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1074	  counter) to be used as a RTC.
1075
1076	  This driver can also be built as a module. If so, the module
1077	  will be called rtc-ls1x.
1078
1079config RTC_DRV_MXC
1080	tristate "Freescale MXC Real Time Clock"
1081	depends on ARCH_MXC
1082	depends on RTC_CLASS
1083	help
1084	   If you say yes here you get support for the Freescale MXC
1085	   RTC module.
1086
1087	   This driver can also be built as a module, if so, the module
1088	   will be called "rtc-mxc".
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1089
1090endif # RTC_CLASS

   1#
   2# RTC class/drivers configuration
   3#
   4
   5config RTC_LIB
   6	bool
   7
   8menuconfig RTC_CLASS
   9	bool "Real Time Clock"
  10	default n
  11	depends on !S390 && !UML
  12	select RTC_LIB
  13	help
  14	  Generic RTC class support. If you say yes here, you will
  15 	  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.
  17
  18if RTC_CLASS
  19
  20config RTC_HCTOSYS
  21	bool "Set system time from RTC on startup and resume"
 
  22	default y
  23	help
  24	  If you say yes here, the system time (wall clock) will be set using
  25	  the value read from a specified RTC device. This is useful to avoid
  26	  unnecessary fsck runs at boot time, and to network better.
  27
  28config RTC_SYSTOHC
  29	bool "Set the RTC time based on NTP synchronization"
  30	default y
  31	help
  32	  If you say yes here, the system time (wall clock) will be stored
  33	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
  34	  minutes if userspace reports synchronized NTP status.
  35
  36config RTC_HCTOSYS_DEVICE
  37	string "RTC used to set the system time"
  38	depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
  39	default "rtc0"
  40	help
  41	  The RTC device that will be used to (re)initialize the system
  42	  clock, usually rtc0. Initialization is done when the system
  43	  starts up, and when it resumes from a low power state. This
  44	  device should record time in UTC, since the kernel won't do
  45	  timezone correction.
  46
  47	  The driver for this RTC device must be loaded before late_initcall
  48	  functions run, so it must usually be statically linked.
  49
  50	  This clock should be battery-backed, so that it reads the correct
  51	  time when the system boots from a power-off state. Otherwise, your
  52	  system will need an external clock source (like an NTP server).
  53
  54	  If the clock you specify here is not battery backed, it may still
  55	  be useful to reinitialize system time when resuming from system
  56	  sleep states. Do not specify an RTC here unless it stays powered
  57	  during all this system's supported sleep states.
  58
  59config RTC_DEBUG
  60	bool "RTC debug support"
 
  61	help
  62	  Say yes here to enable debugging support in the RTC framework
  63	  and individual RTC drivers.
  64
  65comment "RTC interfaces"
  66
  67config RTC_INTF_SYSFS
  68	boolean "/sys/class/rtc/rtcN (sysfs)"
  69	depends on SYSFS
  70	default RTC_CLASS
  71	help
  72	  Say yes here if you want to use your RTCs using sysfs interfaces,
  73	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
  74
  75	  If unsure, say Y.
  76
  77config RTC_INTF_PROC
  78	boolean "/proc/driver/rtc (procfs for rtcN)"
  79	depends on PROC_FS
  80	default RTC_CLASS
  81	help
  82	  Say yes here if you want to use your system clock RTC through
  83	  the proc interface, /proc/driver/rtc.
  84	  Other RTCs will not be available through that API.
  85	  If there is no RTC for the system clock, then the first RTC(rtc0)
  86	  is used by default.
  87
  88	  If unsure, say Y.
  89
  90config RTC_INTF_DEV
  91	boolean "/dev/rtcN (character devices)"
  92	default RTC_CLASS
  93	help
  94	  Say yes here if you want to use your RTCs using the /dev
  95	  interfaces, which "udev" sets up as /dev/rtc0 through
  96	  /dev/rtcN.
  97
  98	  You may want to set up a symbolic link so one of these
  99	  can be accessed as /dev/rtc, which is a name
 100	  expected by "hwclock" and some other programs. Recent
 101	  versions of "udev" are known to set up the symlink for you.
 102
 103	  If unsure, say Y.
 104
 105config RTC_INTF_DEV_UIE_EMUL
 106	bool "RTC UIE emulation on dev interface"
 107	depends on RTC_INTF_DEV
 108	help
 109	  Provides an emulation for RTC_UIE if the underlying rtc chip
 110	  driver does not expose RTC_UIE ioctls. Those requests generate
 111	  once-per-second update interrupts, used for synchronization.
 112
 113	  The emulation code will read the time from the hardware
 114	  clock several times per second, please enable this option
 115	  only if you know that you really need it.
 116
 117config RTC_DRV_TEST
 118	tristate "Test driver/device"
 119	help
 120	  If you say yes here you get support for the
 121	  RTC test driver. It's a software RTC which can be
 122	  used to test the RTC subsystem APIs. It gets
 123	  the time from the system clock.
 124	  You want this driver only if you are doing development
 125	  on the RTC subsystem. Please read the source code
 126	  for further details.
 127
 128	  This driver can also be built as a module. If so, the module
 129	  will be called rtc-test.
 130
 131comment "I2C RTC drivers"
 132	depends on I2C
 133
 134if I2C
 135
 136config RTC_DRV_88PM860X
 137	tristate "Marvell 88PM860x"
 138	depends on I2C && MFD_88PM860X
 139	help
 140	  If you say yes here you get support for RTC function in Marvell
 141	  88PM860x chips.
 142
 143	  This driver can also be built as a module. If so, the module
 144	  will be called rtc-88pm860x.
 145
 146config RTC_DRV_88PM80X
 147	tristate "Marvell 88PM80x"
 148	depends on I2C && MFD_88PM800
 149	help
 150	  If you say yes here you get support for RTC function in Marvell
 151	  88PM80x chips.
 152
 153	  This driver can also be built as a module. If so, the module
 154	  will be called rtc-88pm80x.
 155
 156config RTC_DRV_AS3722
 157	tristate "ams AS3722 RTC driver"
 158	depends on MFD_AS3722
 159	help
 160	  If you say yes here you get support for the RTC of ams AS3722 PMIC
 161	  chips.
 162
 163	  This driver can also be built as a module. If so, the module
 164	  will be called rtc-as3722.
 165
 166config RTC_DRV_DS1307
 167	tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
 168	help
 169	  If you say yes here you get support for various compatible RTC
 170	  chips (often with battery backup) connected with I2C. This driver
 171	  should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
 172	  EPSON RX-8025 and probably other chips. In some cases the RTC
 173	  must already have been initialized (by manufacturing or a
 174	  bootloader).
 175
 176	  The first seven registers on these chips hold an RTC, and other
 177	  registers may add features such as NVRAM, a trickle charger for
 178	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
 179	  sysfs, but other chip features may not be available.
 180
 181	  This driver can also be built as a module. If so, the module
 182	  will be called rtc-ds1307.
 183
 184config RTC_DRV_DS1374
 185	tristate "Dallas/Maxim DS1374"
 186	depends on I2C
 187	help
 188	  If you say yes here you get support for Dallas Semiconductor
 189	  DS1374 real-time clock chips. If an interrupt is associated
 190	  with the device, the alarm functionality is supported.
 191
 192	  This driver can also be built as a module. If so, the module
 193	  will be called rtc-ds1374.
 194
 195config RTC_DRV_DS1672
 196	tristate "Dallas/Maxim DS1672"
 197	help
 198	  If you say yes here you get support for the
 199	  Dallas/Maxim DS1672 timekeeping chip.
 200
 201	  This driver can also be built as a module. If so, the module
 202	  will be called rtc-ds1672.
 203
 204config RTC_DRV_DS3232
 205	tristate "Dallas/Maxim DS3232"
 206	depends on I2C
 207	help
 208	  If you say yes here you get support for Dallas Semiconductor
 209	  DS3232 real-time clock chips. If an interrupt is associated
 210	  with the device, the alarm functionality is supported.
 211
 212	  This driver can also be built as a module.  If so, the module
 213	  will be called rtc-ds3232.
 214
 215config RTC_DRV_HYM8563
 216	tristate "Haoyu Microelectronics HYM8563"
 217	depends on I2C && OF
 218	help
 219	  Say Y to enable support for the HYM8563 I2C RTC chip. Apart
 220	  from the usual rtc functions it provides a clock output of
 221	  up to 32kHz.
 222
 223	  This driver can also be built as a module. If so, the module
 224	  will be called rtc-hym8563.
 225
 226config RTC_DRV_LP8788
 227	tristate "TI LP8788 RTC driver"
 228	depends on MFD_LP8788
 229	help
 230	  Say Y to enable support for the LP8788 RTC/ALARM driver.
 231
 232config RTC_DRV_MAX6900
 233	tristate "Maxim MAX6900"
 234	help
 235	  If you say yes here you will get support for the
 236	  Maxim MAX6900 I2C RTC chip.
 237
 238	  This driver can also be built as a module. If so, the module
 239	  will be called rtc-max6900.
 240
 241config RTC_DRV_MAX8907
 242	tristate "Maxim MAX8907"
 243	depends on MFD_MAX8907
 244	help
 245	  If you say yes here you will get support for the
 246	  RTC of Maxim MAX8907 PMIC.
 247
 248	  This driver can also be built as a module. If so, the module
 249	  will be called rtc-max8907.
 250
 251config RTC_DRV_MAX8925
 252	tristate "Maxim MAX8925"
 253	depends on MFD_MAX8925
 254	help
 255	  If you say yes here you will get support for the
 256	  RTC of Maxim MAX8925 PMIC.
 257
 258	  This driver can also be built as a module. If so, the module
 259	  will be called rtc-max8925.
 260
 261config RTC_DRV_MAX8998
 262	tristate "Maxim MAX8998"
 263	depends on MFD_MAX8998
 264	help
 265	  If you say yes here you will get support for the
 266	  RTC of Maxim MAX8998 PMIC.
 267
 268	  This driver can also be built as a module. If so, the module
 269	  will be called rtc-max8998.
 270
 271config RTC_DRV_MAX8997
 272	tristate "Maxim MAX8997"
 273	depends on MFD_MAX8997
 274	help
 275	  If you say yes here you will get support for the
 276	  RTC of Maxim MAX8997 PMIC.
 277
 278	  This driver can also be built as a module. If so, the module
 279	  will be called rtc-max8997.
 280
 281config RTC_DRV_MAX77686
 282	tristate "Maxim MAX77686"
 283	depends on MFD_MAX77686
 284	help
 285	  If you say yes here you will get support for the
 286	  RTC of Maxim MAX77686 PMIC.
 287
 288	  This driver can also be built as a module. If so, the module
 289	  will be called rtc-max77686.
 290
 291config RTC_DRV_RS5C372
 292	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 293	help
 294	  If you say yes here you get support for the
 295	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
 296
 297	  This driver can also be built as a module. If so, the module
 298	  will be called rtc-rs5c372.
 299
 300config RTC_DRV_ISL1208
 301	tristate "Intersil ISL1208"
 302	help
 303	  If you say yes here you get support for the
 304	  Intersil ISL1208 RTC chip.
 305
 306	  This driver can also be built as a module. If so, the module
 307	  will be called rtc-isl1208.
 308
 309config RTC_DRV_ISL12022
 310	tristate "Intersil ISL12022"
 311	help
 312	  If you say yes here you get support for the
 313	  Intersil ISL12022 RTC chip.
 314
 315	  This driver can also be built as a module. If so, the module
 316	  will be called rtc-isl12022.
 317
 318config RTC_DRV_ISL12057
 319       depends on I2C
 320       select REGMAP_I2C
 321       tristate "Intersil ISL12057"
 322       help
 323	  If you say yes here you get support for the Intersil ISL12057
 324	  I2C RTC chip.
 325
 326	  This driver can also be built as a module. If so, the module
 327	  will be called rtc-isl12057.
 328
 329config RTC_DRV_X1205
 330	tristate "Xicor/Intersil X1205"
 331	help
 332	  If you say yes here you get support for the
 333	  Xicor/Intersil X1205 RTC chip.
 334
 335	  This driver can also be built as a module. If so, the module
 336	  will be called rtc-x1205.
 337
 338config RTC_DRV_PALMAS
 339	tristate "TI Palmas RTC driver"
 340	depends on MFD_PALMAS
 341	help
 342	  If you say yes here you get support for the RTC of TI PALMA series PMIC
 343	  chips.
 344
 345	  This driver can also be built as a module. If so, the module
 346	  will be called rtc-palma.
 347
 348config RTC_DRV_PCF2127
 349	tristate "NXP PCF2127"
 350	help
 351	  If you say yes here you get support for the NXP PCF2127/29 RTC
 352	  chips.
 353
 354	  This driver can also be built as a module. If so, the module
 355	  will be called rtc-pcf2127.
 356
 357config RTC_DRV_PCF8523
 358	tristate "NXP PCF8523"
 359	help
 360	  If you say yes here you get support for the NXP PCF8523 RTC
 361	  chips.
 362
 363	  This driver can also be built as a module. If so, the module
 364	  will be called rtc-pcf8523.
 365
 366config RTC_DRV_PCF8563
 367	tristate "Philips PCF8563/Epson RTC8564"
 368	help
 369	  If you say yes here you get support for the
 370	  Philips PCF8563 RTC chip. The Epson RTC8564
 371	  should work as well.
 372
 373	  This driver can also be built as a module. If so, the module
 374	  will be called rtc-pcf8563.
 375
 376config RTC_DRV_PCF8583
 377	tristate "Philips PCF8583"
 378	help
 379	  If you say yes here you get support for the Philips PCF8583
 380	  RTC chip found on Acorn RiscPCs. This driver supports the
 381	  platform specific method of retrieving the current year from
 382	  the RTC's SRAM. It will work on other platforms with the same
 383	  chip, but the year will probably have to be tweaked.
 384
 385	  This driver can also be built as a module. If so, the module
 386	  will be called rtc-pcf8583.
 387
 388config RTC_DRV_M41T80
 389	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
 390	help
 391	  If you say Y here you will get support for the ST M41T60
 392	  and M41T80 RTC chips series. Currently, the following chips are
 393	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
 394	  M41ST85, and M41ST87.
 395
 396	  This driver can also be built as a module. If so, the module
 397	  will be called rtc-m41t80.
 398
 399config RTC_DRV_M41T80_WDT
 400	bool "ST M41T65/M41T80 series RTC watchdog timer"
 401	depends on RTC_DRV_M41T80
 402	help
 403	  If you say Y here you will get support for the
 404	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
 405
 406config RTC_DRV_BQ32K
 407	tristate "TI BQ32000"
 408	help
 409	  If you say Y here you will get support for the TI
 410	  BQ32000 I2C RTC chip.
 411
 412	  This driver can also be built as a module. If so, the module
 413	  will be called rtc-bq32k.
 414
 415config RTC_DRV_DM355EVM
 416	tristate "TI DaVinci DM355 EVM RTC"
 417	depends on MFD_DM355EVM_MSP
 418	help
 419	  Supports the RTC firmware in the MSP430 on the DM355 EVM.
 420
 421config RTC_DRV_TWL92330
 422	boolean "TI TWL92330/Menelaus"
 423	depends on MENELAUS
 424	help
 425	  If you say yes here you get support for the RTC on the
 426	  TWL92330 "Menelaus" power management chip, used with OMAP2
 427	  platforms. The support is integrated with the rest of
 428	  the Menelaus driver; it's not separate module.
 429
 430config RTC_DRV_TWL4030
 431	tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
 432	depends on TWL4030_CORE
 433	help
 434	  If you say yes here you get support for the RTC on the
 435	  TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
 436
 437	  This driver can also be built as a module. If so, the module
 438	  will be called rtc-twl.
 439
 440config RTC_DRV_TPS6586X
 441	tristate "TI TPS6586X RTC driver"
 442	depends on MFD_TPS6586X
 443	help
 444	  TI Power Management IC TPS6586X supports RTC functionality
 445	  along with alarm. This driver supports the RTC driver for
 446	  the TPS6586X RTC module.
 447
 448config RTC_DRV_TPS65910
 449	tristate "TI TPS65910 RTC driver"
 450	depends on RTC_CLASS && MFD_TPS65910
 451	help
 452	  If you say yes here you get support for the RTC on the
 453	  TPS65910 chips.
 454
 455	  This driver can also be built as a module. If so, the module
 456	  will be called rtc-tps65910.
 457
 458config RTC_DRV_TPS80031
 459	tristate "TI TPS80031/TPS80032 RTC driver"
 460	depends on MFD_TPS80031
 461	help
 462	  TI Power Management IC TPS80031 supports RTC functionality
 463	  along with alarm. This driver supports the RTC driver for
 464	  the TPS80031 RTC module.
 465
 466config RTC_DRV_RC5T583
 467	tristate "RICOH 5T583 RTC driver"
 468	depends on MFD_RC5T583
 469	help
 470	  If you say yes here you get support for the RTC on the
 471	  RICOH 5T583 chips.
 472
 473	  This driver can also be built as a module. If so, the module
 474	  will be called rtc-rc5t583.
 475
 476config RTC_DRV_S35390A
 477	tristate "Seiko Instruments S-35390A"
 478	select BITREVERSE
 479	help
 480	  If you say yes here you will get support for the Seiko
 481	  Instruments S-35390A.
 482
 483	  This driver can also be built as a module. If so the module
 484	  will be called rtc-s35390a.
 485
 486config RTC_DRV_FM3130
 487	tristate "Ramtron FM3130"
 488	help
 489	  If you say Y here you will get support for the
 490	  Ramtron FM3130 RTC chips.
 491	  Ramtron FM3130 is a chip with two separate devices inside,
 492	  RTC clock and FRAM. This driver provides only RTC functionality.
 493
 494	  This driver can also be built as a module. If so the module
 495	  will be called rtc-fm3130.
 496
 497config RTC_DRV_RX8581
 498	tristate "Epson RX-8581"
 499	help
 500	  If you say yes here you will get support for the Epson RX-8581.
 501
 502	  This driver can also be built as a module. If so the module
 503	  will be called rtc-rx8581.
 504
 505config RTC_DRV_RX8025
 506	tristate "Epson RX-8025SA/NB"
 507	help
 508	  If you say yes here you get support for the Epson
 509	  RX-8025SA/NB RTC chips.
 510
 511	  This driver can also be built as a module. If so, the module
 512	  will be called rtc-rx8025.
 513
 514config RTC_DRV_EM3027
 515	tristate "EM Microelectronic EM3027"
 516	help
 517	  If you say yes here you get support for the EM
 518	  Microelectronic EM3027 RTC chips.
 519
 520	  This driver can also be built as a module. If so, the module
 521	  will be called rtc-em3027.
 522
 523config RTC_DRV_RV3029C2
 524	tristate "Micro Crystal RTC"
 525	help
 526	  If you say yes here you get support for the Micro Crystal
 527	  RV3029-C2 RTC chips.
 528
 529	  This driver can also be built as a module. If so, the module
 530	  will be called rtc-rv3029c2.
 531
 532config RTC_DRV_S5M
 533	tristate "Samsung S5M series"
 534	depends on MFD_SEC_CORE
 535	help
 536	  If you say yes here you will get support for the
 537	  RTC of Samsung S5M PMIC series.
 538
 539	  This driver can also be built as a module. If so, the module
 540	  will be called rtc-s5m.
 541
 542endif # I2C
 543
 544comment "SPI RTC drivers"
 545
 546if SPI_MASTER
 547
 548config RTC_DRV_M41T93
 549        tristate "ST M41T93"
 550        help
 551          If you say yes here you will get support for the
 552          ST M41T93 SPI RTC chip.
 553
 554          This driver can also be built as a module. If so, the module
 555          will be called rtc-m41t93.
 556
 557config RTC_DRV_M41T94
 558	tristate "ST M41T94"
 559	help
 560	  If you say yes here you will get support for the
 561	  ST M41T94 SPI RTC chip.
 562
 563	  This driver can also be built as a module. If so, the module
 564	  will be called rtc-m41t94.
 565
 566config RTC_DRV_DS1305
 567	tristate "Dallas/Maxim DS1305/DS1306"
 568	help
 569	  Select this driver to get support for the Dallas/Maxim DS1305
 570	  and DS1306 real time clock chips. These support a trickle
 571	  charger, alarms, and NVRAM in addition to the clock.
 572
 573	  This driver can also be built as a module. If so, the module
 574	  will be called rtc-ds1305.
 575
 576config RTC_DRV_DS1347
 577	tristate "Dallas/Maxim DS1347"
 578	help
 579	  If you say yes here you get support for the
 580	  Dallas/Maxim DS1347 chips.
 581
 582	  This driver only supports the RTC feature, and not other chip
 583	  features such as alarms.
 584
 585	  This driver can also be built as a module. If so, the module
 586	  will be called rtc-ds1347.
 587
 588config RTC_DRV_DS1390
 589	tristate "Dallas/Maxim DS1390/93/94"
 590	help
 591	  If you say yes here you get support for the
 592	  Dallas/Maxim DS1390/93/94 chips.
 593
 594	  This driver only supports the RTC feature, and not other chip
 595	  features such as alarms and trickle charging.
 596
 597	  This driver can also be built as a module. If so, the module
 598	  will be called rtc-ds1390.
 599
 600config RTC_DRV_MAX6902
 601	tristate "Maxim MAX6902"
 602	help
 603	  If you say yes here you will get support for the
 604	  Maxim MAX6902 SPI RTC chip.
 605
 606	  This driver can also be built as a module. If so, the module
 607	  will be called rtc-max6902.
 608
 609config RTC_DRV_R9701
 610	tristate "Epson RTC-9701JE"
 611	help
 612	  If you say yes here you will get support for the
 613	  Epson RTC-9701JE SPI RTC chip.
 614
 615	  This driver can also be built as a module. If so, the module
 616	  will be called rtc-r9701.
 617
 618config RTC_DRV_RS5C348
 619	tristate "Ricoh RS5C348A/B"
 620	help
 621	  If you say yes here you get support for the
 622	  Ricoh RS5C348A and RS5C348B RTC chips.
 623
 624	  This driver can also be built as a module. If so, the module
 625	  will be called rtc-rs5c348.
 626
 627config RTC_DRV_DS3234
 628	tristate "Maxim/Dallas DS3234"
 629	help
 630	  If you say yes here you get support for the
 631	  Maxim/Dallas DS3234 SPI RTC chip.
 632
 633	  This driver can also be built as a module. If so, the module
 634	  will be called rtc-ds3234.
 635
 636config RTC_DRV_PCF2123
 637	tristate "NXP PCF2123"
 638	help
 639	  If you say yes here you get support for the NXP PCF2123
 640	  RTC chip.
 641
 642	  This driver can also be built as a module. If so, the module
 643	  will be called rtc-pcf2123.
 644
 645config RTC_DRV_RX4581
 646	tristate "Epson RX-4581"
 647	help
 648	  If you say yes here you will get support for the Epson RX-4581.
 649
 650	  This driver can also be built as a module. If so the module
 651	  will be called rtc-rx4581.
 652
 653endif # SPI_MASTER
 654
 655comment "Platform RTC drivers"
 656
 657# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
 658# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
 659# global rtc_lock ... it's not yet just another platform_device.
 660
 661config RTC_DRV_CMOS
 662	tristate "PC-style 'CMOS'"
 663	depends on X86 || ARM || M32R || PPC || MIPS || SPARC64
 664	default y if X86
 665	help
 666	  Say "yes" here to get direct support for the real time clock
 667	  found in every PC or ACPI-based system, and some other boards.
 668	  Specifically the original MC146818, compatibles like those in
 669	  PC south bridges, the DS12887 or M48T86, some multifunction
 670	  or LPC bus chips, and so on.
 671
 672	  Your system will need to define the platform device used by
 673	  this driver, otherwise it won't be accessible. This means
 674	  you can safely enable this driver if you don't know whether
 675	  or not your board has this kind of hardware.
 676
 677	  This driver can also be built as a module. If so, the module
 678	  will be called rtc-cmos.
 679
 680config RTC_DRV_ALPHA
 681	bool "Alpha PC-style CMOS"
 682	depends on ALPHA
 683	default y
 684	help
 685	  Direct support for the real-time clock found on every Alpha
 686	  system, specifically MC146818 compatibles.  If in doubt, say Y.
 687
 688config RTC_DRV_VRTC
 689	tristate "Virtual RTC for Intel MID platforms"
 690	depends on X86_INTEL_MID
 691	default y if X86_INTEL_MID
 692
 693	help
 694	Say "yes" here to get direct support for the real time clock
 695	found on Moorestown platforms. The VRTC is a emulated RTC that
 696	derives its clock source from a real RTC in the PMIC. The MC146818
 697	style programming interface is mostly conserved, but any
 698	updates are done via IPC calls to the system controller FW.
 699
 700config RTC_DRV_DS1216
 701	tristate "Dallas DS1216"
 702	depends on SNI_RM
 703	help
 704	  If you say yes here you get support for the Dallas DS1216 RTC chips.
 705
 706config RTC_DRV_DS1286
 707	tristate "Dallas DS1286"
 708	help
 709	  If you say yes here you get support for the Dallas DS1286 RTC chips.
 710
 711config RTC_DRV_DS1302
 712	tristate "Dallas DS1302"
 713	depends on SH_SECUREEDGE5410
 714	help
 715	  If you say yes here you get support for the Dallas DS1302 RTC chips.
 716
 717config RTC_DRV_DS1511
 718	tristate "Dallas DS1511"
 
 719	help
 720	  If you say yes here you get support for the
 721	  Dallas DS1511 timekeeping/watchdog chip.
 722
 723	  This driver can also be built as a module. If so, the module
 724	  will be called rtc-ds1511.
 725
 726config RTC_DRV_DS1553
 727	tristate "Maxim/Dallas DS1553"
 728	help
 729	  If you say yes here you get support for the
 730	  Maxim/Dallas DS1553 timekeeping chip.
 731
 732	  This driver can also be built as a module. If so, the module
 733	  will be called rtc-ds1553.
 734
 735config RTC_DRV_DS1742
 736	tristate "Maxim/Dallas DS1742/1743"
 737	help
 738	  If you say yes here you get support for the
 739	  Maxim/Dallas DS1742/1743 timekeeping chip.
 740
 741	  This driver can also be built as a module. If so, the module
 742	  will be called rtc-ds1742.
 743
 744config RTC_DRV_DA9052
 745	tristate "Dialog DA9052/DA9053 RTC"
 746	depends on PMIC_DA9052
 747	help
 748	  Say y here to support the RTC driver for Dialog Semiconductor
 749	  DA9052-BC and DA9053-AA/Bx PMICs.
 750
 751config RTC_DRV_DA9055
 752	tristate "Dialog Semiconductor DA9055 RTC"
 753	depends on MFD_DA9055
 754	help
 755	  If you say yes here you will get support for the
 756	  RTC of the Dialog DA9055 PMIC.
 757
 758	  This driver can also be built as a module. If so, the module
 759	  will be called rtc-da9055
 760
 761config RTC_DRV_EFI
 762	tristate "EFI RTC"
 763	depends on IA64
 764	help
 765	  If you say yes here you will get support for the EFI
 766	  Real Time Clock.
 767
 768	  This driver can also be built as a module. If so, the module
 769	  will be called rtc-efi.
 770
 771config RTC_DRV_STK17TA8
 772	tristate "Simtek STK17TA8"
 
 773	help
 774	  If you say yes here you get support for the
 775	  Simtek STK17TA8 timekeeping chip.
 776
 777	  This driver can also be built as a module. If so, the module
 778	  will be called rtc-stk17ta8.
 779
 780config RTC_DRV_M48T86
 781	tristate "ST M48T86/Dallas DS12887"
 782	help
 783	  If you say Y here you will get support for the
 784	  ST M48T86 and Dallas DS12887 RTC chips.
 785
 786	  This driver can also be built as a module. If so, the module
 787	  will be called rtc-m48t86.
 788
 789config RTC_DRV_M48T35
 790	tristate "ST M48T35"
 791	help
 792	  If you say Y here you will get support for the
 793	  ST M48T35 RTC chip.
 794
 795	  This driver can also be built as a module, if so, the module
 796	  will be called "rtc-m48t35".
 797
 798config RTC_DRV_M48T59
 799	tristate "ST M48T59/M48T08/M48T02"
 800	help
 801	  If you say Y here you will get support for the
 802	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
 803
 804	  These chips are usually found in Sun SPARC and UltraSPARC
 805	  workstations.
 806
 807	  This driver can also be built as a module, if so, the module
 808	  will be called "rtc-m48t59".
 809
 810config RTC_DRV_MSM6242
 811	tristate "Oki MSM6242"
 812	help
 813	  If you say yes here you get support for the Oki MSM6242
 814	  timekeeping chip. It is used in some Amiga models (e.g. A2000).
 815
 816	  This driver can also be built as a module. If so, the module
 817	  will be called rtc-msm6242.
 818
 819config RTC_DRV_BQ4802
 820	tristate "TI BQ4802"
 821	help
 822	  If you say Y here you will get support for the TI
 823	  BQ4802 RTC chip.
 824
 825	  This driver can also be built as a module. If so, the module
 826	  will be called rtc-bq4802.
 827
 828config RTC_DRV_RP5C01
 829	tristate "Ricoh RP5C01"
 830	help
 831	  If you say yes here you get support for the Ricoh RP5C01
 832	  timekeeping chip. It is used in some Amiga models (e.g. A3000
 833	  and A4000).
 834
 835	  This driver can also be built as a module. If so, the module
 836	  will be called rtc-rp5c01.
 837
 838config RTC_DRV_V3020
 839	tristate "EM Microelectronic V3020"
 840	help
 841	  If you say yes here you will get support for the
 842	  EM Microelectronic v3020 RTC chip.
 843
 844	  This driver can also be built as a module. If so, the module
 845	  will be called rtc-v3020.
 846
 847config RTC_DRV_DS2404
 848	tristate "Dallas DS2404"
 849	help
 850	  If you say yes here you get support for the
 851	  Dallas DS2404 RTC chip.
 852
 853	  This driver can also be built as a module. If so, the module
 854	  will be called rtc-ds2404.
 855
 856config RTC_DRV_WM831X
 857	tristate "Wolfson Microelectronics WM831x RTC"
 858	depends on MFD_WM831X
 859	help
 860	  If you say yes here you will get support for the RTC subsystem
 861	  of the Wolfson Microelectronics WM831X series PMICs.
 862
 863	  This driver can also be built as a module. If so, the module
 864	  will be called "rtc-wm831x".
 865
 866config RTC_DRV_WM8350
 867	tristate "Wolfson Microelectronics WM8350 RTC"
 868	depends on MFD_WM8350
 869	help
 870	  If you say yes here you will get support for the RTC subsystem
 871	  of the Wolfson Microelectronics WM8350.
 872
 873	  This driver can also be built as a module. If so, the module
 874	  will be called "rtc-wm8350".
 875
 876config RTC_DRV_SPEAR
 877	tristate "SPEAR ST RTC"
 878	depends on PLAT_SPEAR
 879	default y
 880	help
 881	 If you say Y here you will get support for the RTC found on
 882	 spear
 883
 884config RTC_DRV_PCF50633
 885	depends on MFD_PCF50633
 886	tristate "NXP PCF50633 RTC"
 887	help
 888	  If you say yes here you get support for the RTC subsystem of the
 889	  NXP PCF50633 used in embedded systems.
 890
 891config RTC_DRV_AB3100
 892	tristate "ST-Ericsson AB3100 RTC"
 893	depends on AB3100_CORE
 894	default y if AB3100_CORE
 895	help
 896	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
 897	  support. This chip contains a battery- and capacitor-backed RTC.
 898
 899config RTC_DRV_AB8500
 900	tristate "ST-Ericsson AB8500 RTC"
 901	depends on AB8500_CORE
 902	select RTC_INTF_DEV
 903	select RTC_INTF_DEV_UIE_EMUL
 904	help
 905	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
 906	  support. This chip contains a battery- and capacitor-backed RTC.
 907
 908config RTC_DRV_NUC900
 909	tristate "NUC910/NUC920 RTC driver"
 910	depends on ARCH_W90X900
 911	help
 912	  If you say yes here you get support for the RTC subsystem of the
 913	  NUC910/NUC920 used in embedded systems.
 914
 915comment "on-CPU RTC drivers"
 916
 917config RTC_DRV_DAVINCI
 918	tristate "TI DaVinci RTC"
 919	depends on ARCH_DAVINCI_DM365
 920	help
 921	  If you say yes here you get support for the RTC on the
 922	  DaVinci platforms (DM365).
 923
 924	  This driver can also be built as a module. If so, the module
 925	  will be called rtc-davinci.
 926
 927config RTC_DRV_IMXDI
 928	tristate "Freescale IMX DryIce Real Time Clock"
 929	depends on ARCH_MXC
 
 930	help
 931	   Support for Freescale IMX DryIce RTC
 932
 933	   This driver can also be built as a module, if so, the module
 934	   will be called "rtc-imxdi".
 935
 936config RTC_DRV_OMAP
 937	tristate "TI OMAP1"
 938	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX || SOC_AM33XX
 939	help
 940	  Say "yes" here to support the on chip real time clock
 941	  present on TI OMAP1, AM33xx and DA8xx/OMAP-L13x.
 942
 943	  This driver can also be built as a module, if so, module
 944	  will be called rtc-omap.
 945
 946config HAVE_S3C_RTC
 947	bool
 948	help
 949	  This will include RTC support for Samsung SoCs. If
 950	  you want to include RTC support for any machine, kindly
 951	  select this in the respective mach-XXXX/Kconfig file.
 952
 953config RTC_DRV_S3C
 954	tristate "Samsung S3C series SoC RTC"
 955	depends on ARCH_S3C64XX || HAVE_S3C_RTC
 956	help
 957	  RTC (Realtime Clock) driver for the clock inbuilt into the
 958	  Samsung S3C24XX series of SoCs. This can provide periodic
 959	  interrupt rates from 1Hz to 64Hz for user programs, and
 960	  wakeup from Alarm.
 961
 962	  The driver currently supports the common features on all the
 963	  S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
 964	  and S3C2442.
 965
 966	  This driver can also be build as a module. If so, the module
 967	  will be called rtc-s3c.
 968
 969config RTC_DRV_EP93XX
 970	tristate "Cirrus Logic EP93XX"
 971	depends on ARCH_EP93XX
 972	help
 973	  If you say yes here you get support for the
 974	  RTC embedded in the Cirrus Logic EP93XX processors.
 975
 976	  This driver can also be built as a module. If so, the module
 977	  will be called rtc-ep93xx.
 978
 979config RTC_DRV_SA1100
 980	tristate "SA11x0/PXA2xx/PXA910"
 981	depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
 982	help
 983	  If you say Y here you will get access to the real time clock
 984	  built into your SA11x0 or PXA2xx CPU.
 985
 986	  To compile this driver as a module, choose M here: the
 987	  module will be called rtc-sa1100.
 988
 989config RTC_DRV_SH
 990	tristate "SuperH On-Chip RTC"
 991	depends on SUPERH && HAVE_CLK
 992	help
 993	  Say Y here to enable support for the on-chip RTC found in
 994	  most SuperH processors.
 995
 996 	  To compile this driver as a module, choose M here: the
 997	  module will be called rtc-sh.
 998
 999config RTC_DRV_VR41XX
1000	tristate "NEC VR41XX"
1001	depends on CPU_VR41XX
1002	help
1003	  If you say Y here you will get access to the real time clock
1004	  built into your NEC VR41XX CPU.
1005
1006	  To compile this driver as a module, choose M here: the
1007	  module will be called rtc-vr41xx.
1008
1009config RTC_DRV_PL030
1010	tristate "ARM AMBA PL030 RTC"
1011	depends on ARM_AMBA
1012	help
1013	  If you say Y here you will get access to ARM AMBA
1014	  PrimeCell PL030 RTC found on certain ARM SOCs.
1015
1016	  To compile this driver as a module, choose M here: the
1017	  module will be called rtc-pl030.
1018
1019config RTC_DRV_PL031
1020	tristate "ARM AMBA PL031 RTC"
1021	depends on ARM_AMBA
1022	help
1023	  If you say Y here you will get access to ARM AMBA
1024	  PrimeCell PL031 RTC found on certain ARM SOCs.
1025
1026	  To compile this driver as a module, choose M here: the
1027	  module will be called rtc-pl031.
1028
1029config RTC_DRV_AT32AP700X
1030	tristate "AT32AP700X series RTC"
1031	depends on PLATFORM_AT32AP
1032	help
1033	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
1034	  AT32AP700x family processors.
1035
1036config RTC_DRV_AT91RM9200
1037	tristate "AT91RM9200 or some AT91SAM9 RTC"
1038	depends on ARCH_AT91
1039	help
1040	  Driver for the internal RTC (Realtime Clock) module found on
1041	  Atmel AT91RM9200's and some  AT91SAM9 chips. On AT91SAM9 chips
1042	  this is powered by the backup power supply.
1043
1044config RTC_DRV_AT91SAM9
1045	tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
1046	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
1047	help
1048	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
1049	  (Real Time Timer). These timers are powered by the backup power
1050	  supply (such as a small coin cell battery), but do not need to
1051	  be used as RTCs.
1052
1053	  (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
1054	  dedicated RTC module and leave the RTT available for other uses.)
1055
1056config RTC_DRV_AT91SAM9_RTT
1057	int
1058	range 0 1
1059	default 0
1060	prompt "RTT module Number" if ARCH_AT91SAM9263
1061	depends on RTC_DRV_AT91SAM9
1062	help
1063	  More than one RTT module is available. You can choose which
1064	  one will be used as an RTC. The default of zero is normally
1065	  OK to use, though some systems use that for non-RTC purposes.
1066
1067config RTC_DRV_AT91SAM9_GPBR
1068	int
1069	range 0 3 if !ARCH_AT91SAM9263
1070	range 0 15 if ARCH_AT91SAM9263
1071	default 0
1072	prompt "Backup Register Number"
1073	depends on RTC_DRV_AT91SAM9
1074	help
1075	  The RTC driver needs to use one of the General Purpose Backup
1076	  Registers (GPBRs) as well as the RTT. You can choose which one
1077	  will be used. The default of zero is normally OK to use, but
1078	  on some systems other software needs to use that register.
1079
1080config RTC_DRV_AU1XXX
1081	tristate "Au1xxx Counter0 RTC support"
1082	depends on MIPS_ALCHEMY
1083	help
1084	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1085	  counter) to be used as a RTC.
1086
1087	  This driver can also be built as a module. If so, the module
1088	  will be called rtc-au1xxx.
1089
1090config RTC_DRV_BFIN
1091	tristate "Blackfin On-Chip RTC"
1092	depends on BLACKFIN && !BF561
1093	help
1094	  If you say yes here you will get support for the
1095	  Blackfin On-Chip Real Time Clock.
1096
1097	  This driver can also be built as a module. If so, the module
1098	  will be called rtc-bfin.
1099
1100config RTC_DRV_RS5C313
1101	tristate "Ricoh RS5C313"
1102	depends on SH_LANDISK
1103	help
1104	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1105
1106config RTC_DRV_GENERIC
1107	tristate "Generic RTC support"
1108	# Please consider writing a new RTC driver instead of using the generic
1109	# RTC abstraction
1110	depends on PARISC || M68K || PPC || SUPERH32
1111	help
1112	  Say Y or M here to enable RTC support on systems using the generic
1113	  RTC abstraction. If you do not know what you are doing, you should
1114	  just say Y.
1115
1116config RTC_DRV_PXA
1117       tristate "PXA27x/PXA3xx"
1118       depends on ARCH_PXA
1119       help
1120         If you say Y here you will get access to the real time clock
1121         built into your PXA27x or PXA3xx CPU.
1122
1123         This RTC driver uses PXA RTC registers available since pxa27x
1124         series (RDxR, RYxR) instead of legacy RCNR, RTAR.
1125
1126config RTC_DRV_VT8500
1127	tristate "VIA/WonderMedia 85xx SoC RTC"
1128	depends on ARCH_VT8500
1129	help
1130	  If you say Y here you will get access to the real time clock
1131	  built into your VIA VT8500 SoC or its relatives.
1132
1133
1134config RTC_DRV_SUN4V
1135	bool "SUN4V Hypervisor RTC"
1136	depends on SPARC64
1137	help
1138	  If you say Y here you will get support for the Hypervisor
1139	  based RTC on SUN4V systems.
1140
1141config RTC_DRV_SUNXI
1142	tristate "Allwinner sun4i/sun7i RTC"
1143	depends on ARCH_SUNXI
1144	help
1145	  If you say Y here you will get support for the RTC found on
1146	  Allwinner A10/A20.
1147
1148config RTC_DRV_STARFIRE
1149	bool "Starfire RTC"
1150	depends on SPARC64
1151	help
1152	  If you say Y here you will get support for the RTC found on
1153	  Starfire systems.
1154
1155config RTC_DRV_TX4939
1156	tristate "TX4939 SoC"
1157	depends on SOC_TX4939
1158	help
1159	  Driver for the internal RTC (Realtime Clock) module found on
1160	  Toshiba TX4939 SoC.
1161
1162config RTC_DRV_MV
1163	tristate "Marvell SoC RTC"
1164	depends on ARCH_KIRKWOOD || ARCH_DOVE || ARCH_MVEBU
1165	help
1166	  If you say yes here you will get support for the in-chip RTC
1167	  that can be found in some of Marvell's SoC devices, such as
1168	  the Kirkwood 88F6281 and 88F6192.
1169
1170	  This driver can also be built as a module. If so, the module
1171	  will be called rtc-mv.
1172
1173config RTC_DRV_PS3
1174	tristate "PS3 RTC"
1175	depends on PPC_PS3
1176	help
1177	  If you say yes here you will get support for the RTC on PS3.
1178
1179	  This driver can also be built as a module. If so, the module
1180	  will be called rtc-ps3.
1181
1182config RTC_DRV_COH901331
1183	tristate "ST-Ericsson COH 901 331 RTC"
1184	depends on ARCH_U300
1185	help
1186	  If you say Y here you will get access to ST-Ericsson
1187	  COH 901 331 RTC clock found in some ST-Ericsson Mobile
1188	  Platforms.
1189
1190	  This driver can also be built as a module. If so, the module
1191	  will be called "rtc-coh901331".
1192
1193
1194config RTC_DRV_STMP
1195	tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1196	depends on ARCH_MXS
1197	help
1198	  If you say yes here you will get support for the onboard
1199	  STMP3xxx/i.MX23/i.MX28 RTC.
1200
1201	  This driver can also be built as a module. If so, the module
1202	  will be called rtc-stmp3xxx.
1203
1204config RTC_DRV_PCAP
1205	tristate "PCAP RTC"
1206	depends on EZX_PCAP
1207	help
1208	  If you say Y here you will get support for the RTC found on
1209	  the PCAP2 ASIC used on some Motorola phones.
1210
1211config RTC_DRV_MC13XXX
1212	depends on MFD_MC13XXX
1213	tristate "Freescale MC13xxx RTC"
1214	help
1215	  This enables support for the RTCs found on Freescale's PMICs
1216	  MC13783 and MC13892.
1217
1218config RTC_DRV_MPC5121
1219	tristate "Freescale MPC5121 built-in RTC"
1220	depends on PPC_MPC512x || PPC_MPC52xx
1221	help
1222	  If you say yes here you will get support for the
1223	  built-in RTC on MPC5121 or on MPC5200.
1224
1225	  This driver can also be built as a module. If so, the module
1226	  will be called rtc-mpc5121.
1227
1228config RTC_DRV_JZ4740
1229	tristate "Ingenic JZ4740 SoC"
 
1230	depends on MACH_JZ4740
1231	help
1232	  If you say yes here you get support for the Ingenic JZ4740 SoC RTC
1233	  controller.
1234
1235	  This driver can also be buillt as a module. If so, the module
1236	  will be called rtc-jz4740.
1237
1238config RTC_DRV_LPC32XX
1239	depends on ARCH_LPC32XX
1240	tristate "NXP LPC32XX RTC"
1241	help
1242	  This enables support for the NXP RTC in the LPC32XX
1243
1244	  This driver can also be buillt as a module. If so, the module
1245	  will be called rtc-lpc32xx.
1246
1247config RTC_DRV_PM8XXX
1248	tristate "Qualcomm PMIC8XXX RTC"
1249	depends on MFD_PM8XXX
1250	help
1251	  If you say yes here you get support for the
1252	  Qualcomm PMIC8XXX RTC.
1253
1254	  To compile this driver as a module, choose M here: the
1255	  module will be called rtc-pm8xxx.
1256
1257config RTC_DRV_TEGRA
1258	tristate "NVIDIA Tegra Internal RTC driver"
1259	depends on ARCH_TEGRA
1260	help
1261	  If you say yes here you get support for the
1262	  Tegra 200 series internal RTC module.
1263
1264	  This drive can also be built as a module. If so, the module
1265	  will be called rtc-tegra.
1266
1267config RTC_DRV_TILE
1268	tristate "Tilera hypervisor RTC support"
1269	depends on TILE
1270	help
1271	  Enable support for the Linux driver side of the Tilera
1272	  hypervisor's real-time clock interface.
1273
1274config RTC_DRV_PUV3
1275	tristate "PKUnity v3 RTC support"
1276	depends on ARCH_PUV3
1277	help
1278	  This enables support for the RTC in the PKUnity-v3 SoCs.
1279
1280	  This drive can also be built as a module. If so, the module
1281	  will be called rtc-puv3.
1282
1283config RTC_DRV_LOONGSON1
1284	tristate "loongson1 RTC support"
1285	depends on MACH_LOONGSON1
1286	help
1287	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1288	  counter) to be used as a RTC.
1289
1290	  This driver can also be built as a module. If so, the module
1291	  will be called rtc-ls1x.
1292
1293config RTC_DRV_MXC
1294	tristate "Freescale MXC Real Time Clock"
1295	depends on ARCH_MXC
 
1296	help
1297	   If you say yes here you get support for the Freescale MXC
1298	   RTC module.
1299
1300	   This driver can also be built as a module, if so, the module
1301	   will be called "rtc-mxc".
1302
1303config RTC_DRV_SNVS
1304	tristate "Freescale SNVS RTC support"
1305	depends on HAS_IOMEM
1306	depends on OF
1307	help
1308	   If you say yes here you get support for the Freescale SNVS
1309	   Low Power (LP) RTC module.
1310
1311	   This driver can also be built as a module, if so, the module
1312	   will be called "rtc-snvs".
1313
1314config RTC_DRV_SIRFSOC
1315	tristate "SiRFSOC RTC"
1316	depends on ARCH_SIRF
1317	help
1318	  Say "yes" here to support the real time clock on SiRF SOC chips.
1319	  This driver can also be built as a module called rtc-sirfsoc.
1320
1321config RTC_DRV_MOXART
1322	tristate "MOXA ART RTC"
1323	help
1324	   If you say yes here you get support for the MOXA ART
1325	   RTC module.
1326
1327	   This driver can also be built as a module. If so, the module
1328	   will be called rtc-moxart
1329
1330comment "HID Sensor RTC drivers"
1331
1332config RTC_DRV_HID_SENSOR_TIME
1333	tristate "HID Sensor Time"
1334	depends on USB_HID
1335	select IIO
1336	select HID_SENSOR_HUB
1337	select HID_SENSOR_IIO_COMMON
1338	help
1339	  Say yes here to build support for the HID Sensors of type Time.
1340	  This drivers makes such sensors available as RTCs.
1341
1342	  If this driver is compiled as a module, it will be named
1343	  rtc-hid-sensor-time.
1344
1345
1346endif # RTC_CLASS