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David Brownell7be2c7c2007-02-10 01:46:02 -08001#
Alessandro Zummoc58411e2006-03-27 01:16:34 -08002# RTC class/drivers configuration
3#
4
5config RTC_LIB
Alessandro Zummo0c86edc2006-03-27 01:16:37 -08006 tristate
7
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07008menuconfig RTC_CLASS
9 tristate "Real Time Clock"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080010 default n
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070011 depends on !S390
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080012 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
Adrian Bunk27ae4102006-06-30 18:18:41 +020016 probably want to enable one or more of the interfaces below.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080017
18 This driver can also be built as a module. If so, the module
Alessandro Zummo44e04512008-03-19 17:00:51 -070019 will be called rtc-core.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080020
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070021if RTC_CLASS
22
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080023config RTC_HCTOSYS
David Brownell7ca1d482007-05-08 00:33:42 -070024 bool "Set system time from RTC on startup and resume"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080025 depends on RTC_CLASS = y
26 default y
27 help
David Brownell7ca1d482007-05-08 00:33:42 -070028 If you say yes here, the system time (wall clock) will be set using
29 the value read from a specified RTC device. This is useful to avoid
30 unnecessary fsck runs at boot time, and to network better.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080031
32config RTC_HCTOSYS_DEVICE
David Brownell7ca1d482007-05-08 00:33:42 -070033 string "RTC used to set the system time"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080034 depends on RTC_HCTOSYS = y
35 default "rtc0"
36 help
David Brownell7ca1d482007-05-08 00:33:42 -070037 The RTC device that will be used to (re)initialize the system
Alessandro Zummoae64d162009-01-06 14:42:17 -080038 clock, usually rtc0. Initialization is done when the system
39 starts up, and when it resumes from a low power state. This
David Brownell779d2082007-11-14 16:58:29 -080040 device should record time in UTC, since the kernel won't do
41 timezone correction.
David Brownell7ca1d482007-05-08 00:33:42 -070042
David Brownell55ff1ab2007-07-21 04:37:56 -070043 The driver for this RTC device must be loaded before late_initcall
44 functions run, so it must usually be statically linked.
45
David Brownell7ca1d482007-05-08 00:33:42 -070046 This clock should be battery-backed, so that it reads the correct
Alessandro Zummoae64d162009-01-06 14:42:17 -080047 time when the system boots from a power-off state. Otherwise, your
David Brownell7ca1d482007-05-08 00:33:42 -070048 system will need an external clock source (like an NTP server).
49
50 If the clock you specify here is not battery backed, it may still
51 be useful to reinitialize system time when resuming from system
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -080052 sleep states. Do not specify an RTC here unless it stays powered
David Brownell7ca1d482007-05-08 00:33:42 -070053 during all this system's supported sleep states.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080054
David Brownell9e86ecb2006-09-30 23:28:14 -070055config RTC_DEBUG
56 bool "RTC debug support"
57 depends on RTC_CLASS = y
58 help
59 Say yes here to enable debugging support in the RTC framework
60 and individual RTC drivers.
61
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080062comment "RTC interfaces"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080063
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080064config RTC_INTF_SYSFS
David Brownelle40659c2007-05-16 22:11:15 -070065 boolean "/sys/class/rtc/rtcN (sysfs)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070066 depends on SYSFS
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080067 default RTC_CLASS
68 help
David Brownell9e86ecb2006-09-30 23:28:14 -070069 Say yes here if you want to use your RTCs using sysfs interfaces,
70 /sys/class/rtc/rtc0 through /sys/.../rtcN.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080071
Alessandro Zummoae64d162009-01-06 14:42:17 -080072 If unsure, say Y.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080073
Alessandro Zummo728a2942006-03-27 01:16:40 -080074config RTC_INTF_PROC
David Brownelle40659c2007-05-16 22:11:15 -070075 boolean "/proc/driver/rtc (procfs for rtc0)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070076 depends on PROC_FS
Alessandro Zummo728a2942006-03-27 01:16:40 -080077 default RTC_CLASS
78 help
David Brownell9e86ecb2006-09-30 23:28:14 -070079 Say yes here if you want to use your first RTC through the proc
Alessandro Zummoae64d162009-01-06 14:42:17 -080080 interface, /proc/driver/rtc. Other RTCs will not be available
David Brownell9e86ecb2006-09-30 23:28:14 -070081 through that API.
Alessandro Zummo728a2942006-03-27 01:16:40 -080082
Alessandro Zummoae64d162009-01-06 14:42:17 -080083 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -080084
Alessandro Zummoe8242902006-03-27 01:16:41 -080085config RTC_INTF_DEV
David Brownelle40659c2007-05-16 22:11:15 -070086 boolean "/dev/rtcN (character devices)"
Alessandro Zummoe8242902006-03-27 01:16:41 -080087 default RTC_CLASS
88 help
David Brownell9e86ecb2006-09-30 23:28:14 -070089 Say yes here if you want to use your RTCs using the /dev
90 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -080091 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -080092
Alessandro Zummoae64d162009-01-06 14:42:17 -080093 You may want to set up a symbolic link so one of these
94 can be accessed as /dev/rtc, which is a name
95 expected by "hwclock" and some other programs. Recent
96 versions of "udev" are known to set up the symlink for you.
97
98 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -080099
Atsushi Nemoto655066c2006-06-25 05:48:17 -0700100config RTC_INTF_DEV_UIE_EMUL
101 bool "RTC UIE emulation on dev interface"
102 depends on RTC_INTF_DEV
103 help
David Sterba3dde6ad2007-05-09 07:12:20 +0200104 Provides an emulation for RTC_UIE if the underlying rtc chip
Alessandro Zummo099e6572009-01-04 12:00:54 -0800105 driver does not expose RTC_UIE ioctls. Those requests generate
David Brownell9e86ecb2006-09-30 23:28:14 -0700106 once-per-second update interrupts, used for synchronization.
Atsushi Nemoto655066c2006-06-25 05:48:17 -0700107
Alessandro Zummo099e6572009-01-04 12:00:54 -0800108 The emulation code will read the time from the hardware
109 clock several times per second, please enable this option
110 only if you know that you really need it.
111
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700112config RTC_DRV_TEST
113 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700114 help
115 If you say yes here you get support for the
116 RTC test driver. It's a software RTC which can be
117 used to test the RTC subsystem APIs. It gets
118 the time from the system clock.
119 You want this driver only if you are doing development
120 on the RTC subsystem. Please read the source code
121 for further details.
122
123 This driver can also be built as a module. If so, the module
124 will be called rtc-test.
125
126comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700127 depends on I2C
128
129if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700130
131config RTC_DRV_DS1307
Matthias Fuchsa2166852009-03-31 15:24:58 -0700132 tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700133 help
134 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800135 chips (often with battery backup) connected with I2C. This driver
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700136 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
Matthias Fuchsa2166852009-03-31 15:24:58 -0700137 EPSON RX-8025 and probably other chips. In some cases the RTC
138 must already have been initialized (by manufacturing or a
139 bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700140
141 The first seven registers on these chips hold an RTC, and other
142 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800143 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800144 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700145
146 This driver can also be built as a module. If so, the module
147 will be called rtc-ds1307.
148
Scott Woodbf4994d2007-10-16 01:28:19 -0700149config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800150 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700151 depends on RTC_CLASS && I2C
152 help
153 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800154 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700155 with the device, the alarm functionality is supported.
156
Alessandro Zummoae64d162009-01-06 14:42:17 -0800157 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700158 will be called rtc-ds1374.
159
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700160config RTC_DRV_DS1672
161 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700162 help
163 If you say yes here you get support for the
164 Dallas/Maxim DS1672 timekeeping chip.
165
166 This driver can also be built as a module. If so, the module
167 will be called rtc-ds1672.
168
Roy Zangc03675f2010-08-10 18:02:20 -0700169config RTC_DRV_DS3232
170 tristate "Dallas/Maxim DS3232"
171 depends on RTC_CLASS && I2C
172 help
173 If you say yes here you get support for Dallas Semiconductor
174 DS3232 real-time clock chips.
175
176 This driver can also be built as a module. If so, the module
177 will be called rtc-ds3232.
178
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700179config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800180 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700181 help
182 If you say yes here you will get support for the
183 Maxim MAX6900 I2C RTC chip.
184
185 This driver can also be built as a module. If so, the module
186 will be called rtc-max6900.
187
Haojian Zhuanga39069f2010-01-25 06:30:29 -0500188config RTC_DRV_MAX8925
189 tristate "Maxim MAX8925"
190 depends on MFD_MAX8925
191 help
192 If you say yes here you will get support for the
193 RTC of Maxim MAX8925 PMIC.
194
195 This driver can also be built as a module. If so, the module
196 will be called rtc-max8925.
197
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700198config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900199 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700200 help
201 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900202 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700203
204 This driver can also be built as a module. If so, the module
205 will be called rtc-rs5c372.
206
207config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800208 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700209 help
210 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800211 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700212
213 This driver can also be built as a module. If so, the module
214 will be called rtc-isl1208.
215
Roman Fietzed6c74282010-08-10 18:02:14 -0700216config RTC_DRV_ISL12022
217 tristate "Intersil ISL12022"
218 help
219 If you say yes here you get support for the
220 Intersil ISL12022 RTC chip.
221
222 This driver can also be built as a module. If so, the module
223 will be called rtc-isl12022.
224
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700225config RTC_DRV_X1205
226 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700227 help
228 If you say yes here you get support for the
229 Xicor/Intersil X1205 RTC chip.
230
231 This driver can also be built as a module. If so, the module
232 will be called rtc-x1205.
233
234config RTC_DRV_PCF8563
235 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700236 help
237 If you say yes here you get support for the
238 Philips PCF8563 RTC chip. The Epson RTC8564
239 should work as well.
240
241 This driver can also be built as a module. If so, the module
242 will be called rtc-pcf8563.
243
244config RTC_DRV_PCF8583
245 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700246 help
247 If you say yes here you get support for the Philips PCF8583
248 RTC chip found on Acorn RiscPCs. This driver supports the
249 platform specific method of retrieving the current year from
250 the RTC's SRAM. It will work on other platforms with the same
251 chip, but the year will probably have to be tweaked.
252
253 This driver can also be built as a module. If so, the module
254 will be called rtc-pcf8583.
255
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700256config RTC_DRV_M41T80
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700257 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700258 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700259 If you say Y here you will get support for the ST M41T60
260 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700261 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700262 M41ST85, and M41ST87.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700263
264 This driver can also be built as a module. If so, the module
265 will be called rtc-m41t80.
266
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700267config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700268 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700269 depends on RTC_DRV_M41T80
270 help
271 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700272 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700273
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800274config RTC_DRV_BQ32K
275 tristate "TI BQ32000"
276 help
277 If you say Y here you will get support for the TI
278 BQ32000 I2C RTC chip.
279
280 This driver can also be built as a module. If so, the module
281 will be called rtc-bq32k.
282
David Brownellafd8d0f2009-02-04 15:12:01 -0800283config RTC_DRV_DM355EVM
284 tristate "TI DaVinci DM355 EVM RTC"
285 depends on MFD_DM355EVM_MSP
286 help
287 Supports the RTC firmware in the MSP430 on the DM355 EVM.
288
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700289config RTC_DRV_TWL92330
290 boolean "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700291 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700292 help
293 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200294 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800295 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700296 the Menelaus driver; it's not separate module.
297
David Brownellf96411a2008-10-20 23:50:05 +0200298config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100299 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
David Brownellf96411a2008-10-20 23:50:05 +0200300 depends on RTC_CLASS && TWL4030_CORE
301 help
302 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100303 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200304
305 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100306 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200307
Byron Bradleyc46288b2008-03-04 14:28:25 -0800308config RTC_DRV_S35390A
309 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700310 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800311 help
312 If you say yes here you will get support for the Seiko
313 Instruments S-35390A.
314
315 This driver can also be built as a module. If so the module
316 will be called rtc-s35390a.
317
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700318config RTC_DRV_FM3130
319 tristate "Ramtron FM3130"
320 help
321 If you say Y here you will get support for the
322 Ramtron FM3130 RTC chips.
323 Ramtron FM3130 is a chip with two separate devices inside,
324 RTC clock and FRAM. This driver provides only RTC functionality.
325
326 This driver can also be built as a module. If so the module
327 will be called rtc-fm3130.
328
Martyn Welcha7fa9852008-11-12 13:27:06 -0800329config RTC_DRV_RX8581
330 tristate "Epson RX-8581"
331 help
332 If you say yes here you will get support for the Epson RX-8581.
333
334 This driver can also be built as a module. If so the module
335 will be called rtc-rx8581.
336
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700337config RTC_DRV_RX8025
338 tristate "Epson RX-8025SA/NB"
339 help
340 If you say yes here you get support for the Epson
341 RX-8025SA/NB RTC chips.
342
343 This driver can also be built as a module. If so, the module
344 will be called rtc-rx8025.
345
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700346endif # I2C
347
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700348comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700349
350if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700351
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700352config RTC_DRV_M41T94
353 tristate "ST M41T94"
354 help
355 If you say yes here you will get support for the
356 ST M41T94 SPI RTC chip.
357
358 This driver can also be built as a module. If so, the module
359 will be called rtc-m41t94.
360
David Brownell53e84b62008-07-23 21:30:36 -0700361config RTC_DRV_DS1305
362 tristate "Dallas/Maxim DS1305/DS1306"
363 help
364 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800365 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700366 charger, alarms, and NVRAM in addition to the clock.
367
368 This driver can also be built as a module. If so, the module
369 will be called rtc-ds1305.
370
Mark Jackson06de1802008-11-12 13:27:07 -0800371config RTC_DRV_DS1390
372 tristate "Dallas/Maxim DS1390/93/94"
373 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800374 If you say yes here you get support for the
375 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800376
377 This driver only supports the RTC feature, and not other chip
378 features such as alarms and trickle charging.
379
380 This driver can also be built as a module. If so, the module
381 will be called rtc-ds1390.
382
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800383config RTC_DRV_MAX6902
384 tristate "Maxim MAX6902"
385 help
386 If you say yes here you will get support for the
387 Maxim MAX6902 SPI RTC chip.
388
389 This driver can also be built as a module. If so, the module
390 will be called rtc-max6902.
391
Magnus Damm2805b962008-02-06 01:38:53 -0800392config RTC_DRV_R9701
393 tristate "Epson RTC-9701JE"
394 help
395 If you say yes here you will get support for the
396 Epson RTC-9701JE SPI RTC chip.
397
398 This driver can also be built as a module. If so, the module
399 will be called rtc-r9701.
400
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700401config RTC_DRV_RS5C348
402 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700403 help
404 If you say yes here you get support for the
405 Ricoh RS5C348A and RS5C348B RTC chips.
406
407 This driver can also be built as a module. If so, the module
408 will be called rtc-rs5c348.
409
Dennis Aberilla2f9b75e2008-10-15 22:02:57 -0700410config RTC_DRV_DS3234
411 tristate "Maxim/Dallas DS3234"
412 help
413 If you say yes here you get support for the
414 Maxim/Dallas DS3234 SPI RTC chip.
415
416 This driver can also be built as a module. If so, the module
417 will be called rtc-ds3234.
418
Chris Verges7f3923a2009-09-22 16:46:20 -0700419config RTC_DRV_PCF2123
420 tristate "NXP PCF2123"
421 help
422 If you say yes here you get support for the NXP PCF2123
423 RTC chip.
424
425 This driver can also be built as a module. If so, the module
426 will be called rtc-pcf2123.
427
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700428endif # SPI_MASTER
429
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700430comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800431
David Brownell7be2c7c2007-02-10 01:46:02 -0800432# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
433# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
434# global rtc_lock ... it's not yet just another platform_device.
435
436config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700437 tristate "PC-style 'CMOS'"
Andrew Morton5ec87702008-09-22 21:40:04 -0700438 depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700439 default y if X86
David Brownell7be2c7c2007-02-10 01:46:02 -0800440 help
441 Say "yes" here to get direct support for the real time clock
442 found in every PC or ACPI-based system, and some other boards.
443 Specifically the original MC146818, compatibles like those in
444 PC south bridges, the DS12887 or M48T86, some multifunction
445 or LPC bus chips, and so on.
446
447 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800448 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800449 you can safely enable this driver if you don't know whether
450 or not your board has this kind of hardware.
451
452 This driver can also be built as a module. If so, the module
453 will be called rtc-cmos.
454
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700455config RTC_DRV_DS1216
456 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700457 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700458 help
459 If you say yes here you get support for the Dallas DS1216 RTC chips.
460
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200461config RTC_DRV_DS1286
462 tristate "Dallas DS1286"
463 help
464 If you say yes here you get support for the Dallas DS1286 RTC chips.
465
Paul Mundt739d3402008-02-06 01:38:44 -0800466config RTC_DRV_DS1302
467 tristate "Dallas DS1302"
468 depends on SH_SECUREEDGE5410
469 help
470 If you say yes here you get support for the Dallas DS1302 RTC chips.
471
Andrew Sharp8f267952008-02-06 01:38:46 -0800472config RTC_DRV_DS1511
473 tristate "Dallas DS1511"
474 depends on RTC_CLASS
475 help
476 If you say yes here you get support for the
477 Dallas DS1511 timekeeping/watchdog chip.
478
479 This driver can also be built as a module. If so, the module
480 will be called rtc-ds1511.
481
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700482config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800483 tristate "Maxim/Dallas DS1553"
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700484 help
485 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800486 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700487
488 This driver can also be built as a module. If so, the module
489 will be called rtc-ds1553.
490
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800491config RTC_DRV_DS1742
492 tristate "Maxim/Dallas DS1742/1743"
493 help
494 If you say yes here you get support for the
495 Maxim/Dallas DS1742/1743 timekeeping chip.
496
497 This driver can also be built as a module. If so, the module
498 will be called rtc-ds1742.
499
dann frazier5e3fd9e2009-03-31 15:24:48 -0700500config RTC_DRV_EFI
501 tristate "EFI RTC"
502 depends on IA64
503 help
504 If you say yes here you will get support for the EFI
505 Real Time Clock.
506
507 This driver can also be built as a module. If so, the module
508 will be called rtc-efi.
509
Thomas Hommel02964112007-07-21 04:37:58 -0700510config RTC_DRV_STK17TA8
511 tristate "Simtek STK17TA8"
512 depends on RTC_CLASS
513 help
514 If you say yes here you get support for the
515 Simtek STK17TA8 timekeeping chip.
516
517 This driver can also be built as a module. If so, the module
518 will be called rtc-stk17ta8.
519
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700520config RTC_DRV_M48T86
521 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700522 help
523 If you say Y here you will get support for the
524 ST M48T86 and Dallas DS12887 RTC chips.
525
526 This driver can also be built as a module. If so, the module
527 will be called rtc-m48t86.
528
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200529config RTC_DRV_M48T35
530 tristate "ST M48T35"
531 help
532 If you say Y here you will get support for the
533 ST M48T35 RTC chip.
534
535 This driver can also be built as a module, if so, the module
536 will be called "rtc-m48t35".
537
Mark Zhan2e774c72007-07-17 04:05:05 -0700538config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700539 tristate "ST M48T59/M48T08/M48T02"
Mark Zhan2e774c72007-07-17 04:05:05 -0700540 help
541 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700542 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
543
544 These chips are usually found in Sun SPARC and UltraSPARC
545 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -0700546
547 This driver can also be built as a module, if so, the module
548 will be called "rtc-m48t59".
549
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +0100550config RTC_DRV_MSM6242
551 tristate "Oki MSM6242"
552 help
553 If you say yes here you get support for the Oki MSM6242
554 timekeeping chip. It is used in some Amiga models (e.g. A2000).
555
556 This driver can also be built as a module. If so, the module
557 will be called rtc-msm6242.
558
Baruch Siacheba54542010-08-10 18:02:13 -0700559config RTC_DRV_IMXDI
560 tristate "Freescale IMX DryIce Real Time Clock"
561 depends on ARCH_MX25
562 depends on RTC_CLASS
563 help
564 Support for Freescale IMX DryIce RTC
565
566 This driver can also be built as a module, if so, the module
567 will be called "rtc-imxdi".
568
Daniel Mackd00ed3c2009-09-22 16:46:23 -0700569config RTC_MXC
570 tristate "Freescale MXC Real Time Clock"
571 depends on ARCH_MXC
572 depends on RTC_CLASS
573 help
574 If you say yes here you get support for the Freescale MXC
575 RTC module.
576
577 This driver can also be built as a module, if so, the module
578 will be called "rtc-mxc".
579
David S. Millercca4c232008-08-29 01:29:53 -0700580config RTC_DRV_BQ4802
581 tristate "TI BQ4802"
582 help
583 If you say Y here you will get support for the TI
584 BQ4802 RTC chip.
585
586 This driver can also be built as a module. If so, the module
587 will be called rtc-bq4802.
588
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +0100589config RTC_DRV_RP5C01
590 tristate "Ricoh RP5C01"
591 help
592 If you say yes here you get support for the Ricoh RP5C01
593 timekeeping chip. It is used in some Amiga models (e.g. A3000
594 and A4000).
595
596 This driver can also be built as a module. If so, the module
597 will be called rtc-rp5c01.
598
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700599config RTC_DRV_V3020
600 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700601 help
602 If you say yes here you will get support for the
603 EM Microelectronic v3020 RTC chip.
604
605 This driver can also be built as a module. If so, the module
606 will be called rtc-v3020.
607
Mark Brown35c86bf2009-08-27 19:59:05 +0200608config RTC_DRV_WM831X
609 tristate "Wolfson Microelectronics WM831x RTC"
610 depends on MFD_WM831X
611 help
612 If you say yes here you will get support for the RTC subsystem
613 of the Wolfson Microelectronics WM831X series PMICs.
614
615 This driver can also be built as a module. If so, the module
616 will be called "rtc-wm831x".
617
Mark Brown077eaf52008-11-12 13:27:04 -0800618config RTC_DRV_WM8350
619 tristate "Wolfson Microelectronics WM8350 RTC"
620 depends on MFD_WM8350
621 help
622 If you say yes here you will get support for the RTC subsystem
623 of the Wolfson Microelectronics WM8350.
624
625 This driver can also be built as a module. If so, the module
626 will be called "rtc-wm8350".
627
Balaji Raoeae854b2009-01-09 01:50:51 +0100628config RTC_DRV_PCF50633
629 depends on MFD_PCF50633
630 tristate "NXP PCF50633 RTC"
631 help
632 If you say yes here you get support for the RTC subsystem of the
633 NXP PCF50633 used in embedded systems.
634
Linus Walleijbd207cf2009-08-30 23:49:04 +0200635config RTC_DRV_AB3100
636 tristate "ST-Ericsson AB3100 RTC"
637 depends on AB3100_CORE
638 default y if AB3100_CORE
639 help
640 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
641 support. This chip contains a battery- and capacitor-backed RTC.
642
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700643config RTC_DRV_AB8500
644 tristate "ST-Ericsson AB8500 RTC"
645 depends on AB8500_CORE
646 help
647 Select this to enable the ST-Ericsson AB8500 power management IC RTC
648 support. This chip contains a battery- and capacitor-backed RTC.
649
Wan ZongShunafd49a7e2009-12-15 16:46:17 -0800650config RTC_DRV_NUC900
651 tristate "NUC910/NUC920 RTC driver"
652 depends on RTC_CLASS && ARCH_W90X900
653 help
654 If you say yes here you get support for the RTC subsystem of the
655 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +0200656
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700657comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700658
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -0600659config RTC_DRV_DAVINCI
660 tristate "TI DaVinci RTC"
661 depends on ARCH_DAVINCI_DM365
662 help
663 If you say yes here you get support for the RTC on the
664 DaVinci platforms (DM365).
665
666 This driver can also be built as a module. If so, the module
667 will be called rtc-davinci.
668
David Brownelldb68b182006-12-06 20:38:36 -0800669config RTC_DRV_OMAP
670 tristate "TI OMAP1"
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800671 depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
David Brownelldb68b182006-12-06 20:38:36 -0800672 help
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800673 Say "yes" here to support the real time clock on TI OMAP1 and
674 DA8xx/OMAP-L13x chips. This driver can also be built as a
675 module called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -0800676
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530677config HAVE_S3C_RTC
678 bool
679 help
680 This will include RTC support for Samsung SoCs. If
681 you want to include RTC support for any machine, kindly
682 select this in the respective mach-XXXX/Kconfig file.
683
Ben Dooks1add6782006-07-01 04:36:26 -0700684config RTC_DRV_S3C
685 tristate "Samsung S3C series SoC RTC"
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530686 depends on ARCH_S3C2410 || ARCH_S3C64XX || HAVE_S3C_RTC
Ben Dooks1add6782006-07-01 04:36:26 -0700687 help
688 RTC (Realtime Clock) driver for the clock inbuilt into the
689 Samsung S3C24XX series of SoCs. This can provide periodic
690 interrupt rates from 1Hz to 64Hz for user programs, and
691 wakeup from Alarm.
692
693 The driver currently supports the common features on all the
694 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
695 and S3C2442.
696
697 This driver can also be build as a module. If so, the module
698 will be called rtc-s3c.
699
Alessandro Zummofd507e22006-03-27 01:16:45 -0800700config RTC_DRV_EP93XX
701 tristate "Cirrus Logic EP93XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700702 depends on ARCH_EP93XX
Alessandro Zummofd507e22006-03-27 01:16:45 -0800703 help
704 If you say yes here you get support for the
705 RTC embedded in the Cirrus Logic EP93XX processors.
706
707 This driver can also be built as a module. If so, the module
708 will be called rtc-ep93xx.
709
Richard Purdiee842f1c2006-03-27 01:16:46 -0800710config RTC_DRV_SA1100
711 tristate "SA11x0/PXA2xx"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700712 depends on ARCH_SA1100 || ARCH_PXA
Richard Purdiee842f1c2006-03-27 01:16:46 -0800713 help
714 If you say Y here you will get access to the real time clock
715 built into your SA11x0 or PXA2xx CPU.
716
717 To compile this driver as a module, choose M here: the
718 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -0800719
Paul Mundt317a6102006-09-27 17:13:19 +0900720config RTC_DRV_SH
721 tristate "SuperH On-Chip RTC"
Paul Mundt063adc72009-04-16 14:12:22 +0900722 depends on RTC_CLASS && SUPERH && HAVE_CLK
Paul Mundt317a6102006-09-27 17:13:19 +0900723 help
724 Say Y here to enable support for the on-chip RTC found in
725 most SuperH processors.
726
727 To compile this driver as a module, choose M here: the
728 module will be called rtc-sh.
729
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700730config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700731 tristate "NEC VR41XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700732 depends on CPU_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700733 help
734 If you say Y here you will get access to the real time clock
735 built into your NEC VR41XX CPU.
736
737 To compile this driver as a module, choose M here: the
738 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700739
Russell Kinga1909012008-04-20 12:08:36 +0100740config RTC_DRV_PL030
741 tristate "ARM AMBA PL030 RTC"
742 depends on ARM_AMBA
743 help
744 If you say Y here you will get access to ARM AMBA
745 PrimeCell PL030 RTC found on certain ARM SOCs.
746
747 To compile this driver as a module, choose M here: the
748 module will be called rtc-pl030.
749
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700750config RTC_DRV_PL031
751 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700752 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700753 help
754 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700755 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700756
757 To compile this driver as a module, choose M here: the
758 module will be called rtc-pl031.
759
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700760config RTC_DRV_AT32AP700X
761 tristate "AT32AP700X series RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700762 depends on PLATFORM_AT32AP
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700763 help
764 Driver for the internal RTC (Realtime Clock) on Atmel AVR32
765 AT32AP700x family processors.
766
Andrew Victor7fc39f62006-12-10 02:19:03 -0800767config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200768 tristate "AT91RM9200 or some AT91SAM9 RTC"
769 depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
Andrew Victor788b1fc2006-06-25 05:48:27 -0700770 help
David Brownell4cdf8542008-02-06 01:38:59 -0800771 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200772 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -0800773 this is powered by the backup power supply.
774
775config RTC_DRV_AT91SAM9
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200776 tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
David Brownell4cdf8542008-02-06 01:38:59 -0800777 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
778 help
Stelian Pop6b71dbf2008-04-05 21:16:15 +0100779 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
780 (Real Time Timer). These timers are powered by the backup power
781 supply (such as a small coin cell battery), but do not need to
782 be used as RTCs.
David Brownell4cdf8542008-02-06 01:38:59 -0800783
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200784 (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
785 dedicated RTC module and leave the RTT available for other uses.)
David Brownell4cdf8542008-02-06 01:38:59 -0800786
787config RTC_DRV_AT91SAM9_RTT
788 int
789 range 0 1
790 default 0
791 prompt "RTT module Number" if ARCH_AT91SAM9263
792 depends on RTC_DRV_AT91SAM9
793 help
Alessandro Zummoae64d162009-01-06 14:42:17 -0800794 More than one RTT module is available. You can choose which
795 one will be used as an RTC. The default of zero is normally
David Brownell4cdf8542008-02-06 01:38:59 -0800796 OK to use, though some systems use that for non-RTC purposes.
797
798config RTC_DRV_AT91SAM9_GPBR
799 int
800 range 0 3 if !ARCH_AT91SAM9263
801 range 0 15 if ARCH_AT91SAM9263
802 default 0
803 prompt "Backup Register Number"
804 depends on RTC_DRV_AT91SAM9
805 help
806 The RTC driver needs to use one of the General Purpose Backup
Alessandro Zummoae64d162009-01-06 14:42:17 -0800807 Registers (GPBRs) as well as the RTT. You can choose which one
808 will be used. The default of zero is normally OK to use, but
David Brownell4cdf8542008-02-06 01:38:59 -0800809 on some systems other software needs to use that register.
Andrew Victor788b1fc2006-06-25 05:48:27 -0700810
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800811config RTC_DRV_AU1XXX
812 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +0200813 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800814 help
815 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
816 counter) to be used as a RTC.
817
818 This driver can also be built as a module. If so, the module
819 will be called rtc-au1xxx.
820
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700821config RTC_DRV_BFIN
822 tristate "Blackfin On-Chip RTC"
Graf Yang7f604592008-08-20 14:09:02 -0700823 depends on BLACKFIN && !BF561
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700824 help
825 If you say yes here you will get support for the
826 Blackfin On-Chip Real Time Clock.
827
828 This driver can also be built as a module. If so, the module
829 will be called rtc-bfin.
830
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700831config RTC_DRV_RS5C313
832 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700833 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700834 help
835 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
836
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100837config RTC_DRV_GENERIC
838 tristate "Generic RTC support"
839 # Please consider writing a new RTC driver instead of using the generic
840 # RTC abstraction
Paul Mundt47c8a082009-04-27 17:34:39 +0900841 depends on PARISC || M68K || PPC || SUPERH32
Kyle McMartin9eb16862008-09-10 14:24:07 +0000842 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100843 Say Y or M here to enable RTC support on systems using the generic
844 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +0000845 just say Y.
846
Robert Jarzmikdc944362009-01-06 14:42:14 -0800847config RTC_DRV_PXA
848 tristate "PXA27x/PXA3xx"
849 depends on ARCH_PXA
850 help
851 If you say Y here you will get access to the real time clock
852 built into your PXA27x or PXA3xx CPU.
853
854 This RTC driver uses PXA RTC registers available since pxa27x
855 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
856
857
David S. Miller7a138ed2008-08-29 01:32:43 -0700858config RTC_DRV_SUN4V
859 bool "SUN4V Hypervisor RTC"
860 depends on SPARC64
861 help
862 If you say Y here you will get support for the Hypervisor
863 based RTC on SUN4V systems.
864
David S. Millerde2cf332008-08-28 23:02:36 -0700865config RTC_DRV_STARFIRE
866 bool "Starfire RTC"
867 depends on SPARC64
868 help
869 If you say Y here you will get support for the RTC found on
870 Starfire systems.
871
Atsushi Nemoto0e149232009-01-06 14:42:22 -0800872config RTC_DRV_TX4939
873 tristate "TX4939 SoC"
874 depends on SOC_TX4939
875 help
876 Driver for the internal RTC (Realtime Clock) module found on
877 Toshiba TX4939 SoC.
878
Saeed Bisharadefb4512009-01-06 14:42:24 -0800879config RTC_DRV_MV
880 tristate "Marvell SoC RTC"
Saeed Bisharada432432009-11-24 19:33:53 +0200881 depends on ARCH_KIRKWOOD || ARCH_DOVE
Saeed Bisharadefb4512009-01-06 14:42:24 -0800882 help
883 If you say yes here you will get support for the in-chip RTC
884 that can be found in some of Marvell's SoC devices, such as
885 the Kirkwood 88F6281 and 88F6192.
886
887 This driver can also be built as a module. If so, the module
888 will be called rtc-mv.
889
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +0100890config RTC_DRV_PS3
891 tristate "PS3 RTC"
892 depends on PPC_PS3
893 help
894 If you say yes here you will get support for the RTC on PS3.
895
896 This driver can also be built as a module. If so, the module
897 will be called rtc-ps3.
898
Linus Walleijaa958f52009-09-22 16:46:24 -0700899config RTC_DRV_COH901331
900 tristate "ST-Ericsson COH 901 331 RTC"
901 depends on ARCH_U300
902 help
903 If you say Y here you will get access to ST-Ericsson
904 COH 901 331 RTC clock found in some ST-Ericsson Mobile
905 Platforms.
906
907 This driver can also be built as a module. If so, the module
908 will be called "rtc-coh901331".
909
910
dmitry pervushindf17f632009-09-22 16:46:26 -0700911config RTC_DRV_STMP
912 tristate "Freescale STMP3xxx RTC"
913 depends on ARCH_STMP3XXX
914 help
915 If you say yes here you will get support for the onboard
916 STMP3xxx RTC.
917
918 This driver can also be built as a module. If so, the module
919 will be called rtc-stmp3xxx.
920
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -0700921config RTC_DRV_PCAP
922 tristate "PCAP RTC"
923 depends on EZX_PCAP
924 help
925 If you say Y here you will get support for the RTC found on
926 the PCAP2 ASIC used on some Motorola phones.
927
Uwe Kleine-König43299f2852009-12-15 16:46:09 -0800928config RTC_DRV_MC13783
929 depends on MFD_MC13783
930 tristate "Freescale MC13783 RTC"
931 help
932 This enables support for the Freescale MC13783 PMIC RTC
933
Anatolij Gustschin50aae722010-02-16 10:47:35 -0700934config RTC_DRV_MPC5121
935 tristate "Freescale MPC5121 built-in RTC"
936 depends on PPC_MPC512x && RTC_CLASS
937 help
938 If you say yes here you will get support for the
939 built-in RTC MPC5121.
940
941 This driver can also be built as a module. If so, the module
942 will be called rtc-mpc5121.
943
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +0000944config RTC_DRV_JZ4740
945 tristate "Ingenic JZ4740 SoC"
946 depends on RTC_CLASS
947 depends on MACH_JZ4740
948 help
949 If you say yes here you get support for the Ingenic JZ4740 SoC RTC
950 controller.
951
952 This driver can also be buillt as a module. If so, the module
953 will be called rtc-jz4740.
954
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700955endif # RTC_CLASS