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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
John Stultzb4d246b2011-04-29 15:03:11 -07006 bool
Alessandro Zummo0c86edc2006-03-27 01:16:37 -08007
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07008menuconfig RTC_CLASS
John Stultzb4d246b2011-04-29 15:03:11 -07009 bool "Real Time Clock"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080010 default n
Al Viro33694652011-08-18 20:11:59 +010011 depends on !S390 && !UML
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
Alexandre Belloni98ab2c92015-05-09 21:21:54 +020015 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
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070018if RTC_CLASS
19
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080020config RTC_HCTOSYS
David Brownell7ca1d482007-05-08 00:33:42 -070021 bool "Set system time from RTC on startup and resume"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080022 default y
23 help
David Brownell7ca1d482007-05-08 00:33:42 -070024 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.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080027
28config RTC_HCTOSYS_DEVICE
David Brownell7ca1d482007-05-08 00:33:42 -070029 string "RTC used to set the system time"
Xunlei Pang9c5150b2015-06-12 11:10:16 +080030 depends on RTC_HCTOSYS
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080031 default "rtc0"
32 help
David Brownell7ca1d482007-05-08 00:33:42 -070033 The RTC device that will be used to (re)initialize the system
Alessandro Zummoae64d162009-01-06 14:42:17 -080034 clock, usually rtc0. Initialization is done when the system
35 starts up, and when it resumes from a low power state. This
David Brownell779d2082007-11-14 16:58:29 -080036 device should record time in UTC, since the kernel won't do
37 timezone correction.
David Brownell7ca1d482007-05-08 00:33:42 -070038
David Brownell55ff1ab2007-07-21 04:37:56 -070039 The driver for this RTC device must be loaded before late_initcall
40 functions run, so it must usually be statically linked.
41
David Brownell7ca1d482007-05-08 00:33:42 -070042 This clock should be battery-backed, so that it reads the correct
Alessandro Zummoae64d162009-01-06 14:42:17 -080043 time when the system boots from a power-off state. Otherwise, your
David Brownell7ca1d482007-05-08 00:33:42 -070044 system will need an external clock source (like an NTP server).
45
46 If the clock you specify here is not battery backed, it may still
47 be useful to reinitialize system time when resuming from system
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -080048 sleep states. Do not specify an RTC here unless it stays powered
David Brownell7ca1d482007-05-08 00:33:42 -070049 during all this system's supported sleep states.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080050
Xunlei Pang9c5150b2015-06-12 11:10:16 +080051config RTC_SYSTOHC
52 bool "Set the RTC time based on NTP synchronization"
53 default y
54 help
55 If you say yes here, the system time (wall clock) will be stored
56 in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
57 minutes if userspace reports synchronized NTP status.
58
59config RTC_SYSTOHC_DEVICE
60 string "RTC used to synchronize NTP adjustment"
61 depends on RTC_SYSTOHC
62 default RTC_HCTOSYS_DEVICE if RTC_HCTOSYS
63 default "rtc0"
64 help
65 The RTC device used for NTP synchronization. The main difference
66 between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this
67 one can sleep when setting time, because it runs in the workqueue
68 context.
69
David Brownell9e86ecb2006-09-30 23:28:14 -070070config RTC_DEBUG
71 bool "RTC debug support"
David Brownell9e86ecb2006-09-30 23:28:14 -070072 help
73 Say yes here to enable debugging support in the RTC framework
74 and individual RTC drivers.
75
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080076comment "RTC interfaces"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080077
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080078config RTC_INTF_SYSFS
Christoph Jaeger6341e622014-12-20 15:41:11 -050079 bool "/sys/class/rtc/rtcN (sysfs)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070080 depends on SYSFS
Kevin Hilman8dc08392012-10-10 15:54:06 -070081 default RTC_CLASS
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080082 help
David Brownell9e86ecb2006-09-30 23:28:14 -070083 Say yes here if you want to use your RTCs using sysfs interfaces,
84 /sys/class/rtc/rtc0 through /sys/.../rtcN.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080085
Alessandro Zummoae64d162009-01-06 14:42:17 -080086 If unsure, say Y.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080087
Alessandro Zummo728a2942006-03-27 01:16:40 -080088config RTC_INTF_PROC
Christoph Jaeger6341e622014-12-20 15:41:11 -050089 bool "/proc/driver/rtc (procfs for rtcN)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070090 depends on PROC_FS
Kevin Hilman8dc08392012-10-10 15:54:06 -070091 default RTC_CLASS
Alessandro Zummo728a2942006-03-27 01:16:40 -080092 help
Kim, Milo92589c92012-10-04 17:13:45 -070093 Say yes here if you want to use your system clock RTC through
94 the proc interface, /proc/driver/rtc.
95 Other RTCs will not be available through that API.
96 If there is no RTC for the system clock, then the first RTC(rtc0)
97 is used by default.
Alessandro Zummo728a2942006-03-27 01:16:40 -080098
Alessandro Zummoae64d162009-01-06 14:42:17 -080099 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -0800100
Alessandro Zummoe8242902006-03-27 01:16:41 -0800101config RTC_INTF_DEV
Christoph Jaeger6341e622014-12-20 15:41:11 -0500102 bool "/dev/rtcN (character devices)"
Kevin Hilman8dc08392012-10-10 15:54:06 -0700103 default RTC_CLASS
Alessandro Zummoe8242902006-03-27 01:16:41 -0800104 help
David Brownell9e86ecb2006-09-30 23:28:14 -0700105 Say yes here if you want to use your RTCs using the /dev
106 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -0800107 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -0800108
Alessandro Zummoae64d162009-01-06 14:42:17 -0800109 You may want to set up a symbolic link so one of these
110 can be accessed as /dev/rtc, which is a name
111 expected by "hwclock" and some other programs. Recent
112 versions of "udev" are known to set up the symlink for you.
113
114 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -0800115
John Stultz6e57b1d2011-02-11 17:45:40 -0800116config RTC_INTF_DEV_UIE_EMUL
117 bool "RTC UIE emulation on dev interface"
118 depends on RTC_INTF_DEV
119 help
120 Provides an emulation for RTC_UIE if the underlying rtc chip
121 driver does not expose RTC_UIE ioctls. Those requests generate
122 once-per-second update interrupts, used for synchronization.
123
124 The emulation code will read the time from the hardware
125 clock several times per second, please enable this option
126 only if you know that you really need it.
127
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700128config RTC_DRV_TEST
129 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700130 help
131 If you say yes here you get support for the
132 RTC test driver. It's a software RTC which can be
133 used to test the RTC subsystem APIs. It gets
134 the time from the system clock.
135 You want this driver only if you are doing development
136 on the RTC subsystem. Please read the source code
137 for further details.
138
139 This driver can also be built as a module. If so, the module
140 will be called rtc-test.
141
142comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700143 depends on I2C
144
145if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700146
Haojian Zhuang008b3042011-05-06 17:21:20 +0800147config RTC_DRV_88PM860X
148 tristate "Marvell 88PM860x"
Alexandre Belloni37830552015-06-08 19:27:37 +0200149 depends on MFD_88PM860X
Haojian Zhuang008b3042011-05-06 17:21:20 +0800150 help
151 If you say yes here you get support for RTC function in Marvell
152 88PM860x chips.
153
154 This driver can also be built as a module. If so, the module
155 will be called rtc-88pm860x.
156
Qiao Zhou2985c292012-07-09 14:37:34 +0800157config RTC_DRV_88PM80X
158 tristate "Marvell 88PM80x"
Alexandre Belloni37830552015-06-08 19:27:37 +0200159 depends on MFD_88PM800
Qiao Zhou2985c292012-07-09 14:37:34 +0800160 help
161 If you say yes here you get support for RTC function in Marvell
162 88PM80x chips.
163
164 This driver can also be built as a module. If so, the module
165 will be called rtc-88pm80x.
166
Arnaud Ebalard0b2f6222015-02-13 14:41:00 -0800167config RTC_DRV_ABB5ZES3
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200168 select REGMAP_I2C
169 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
170 help
Arnaud Ebalard0b2f6222015-02-13 14:41:00 -0800171 If you say yes here you get support for the Abracon
172 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
173
174 This driver can also be built as a module. If so, the module
175 will be called rtc-ab-b5ze-s3.
176
Philippe De Muyter4d61ff62015-05-05 16:23:44 -0700177config RTC_DRV_ABX80X
178 tristate "Abracon ABx80x"
179 help
180 If you say yes here you get support for Abracon AB080X and AB180X
181 families of ultra-low-power battery- and capacitor-backed real-time
182 clock chips.
183
184 This driver can also be built as a module. If so, the module
185 will be called rtc-abx80x.
186
Laxman Dewanganb4506262013-11-12 15:11:05 -0800187config RTC_DRV_AS3722
188 tristate "ams AS3722 RTC driver"
189 depends on MFD_AS3722
190 help
191 If you say yes here you get support for the RTC of ams AS3722 PMIC
192 chips.
193
194 This driver can also be built as a module. If so, the module
195 will be called rtc-as3722.
196
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700197config RTC_DRV_DS1307
Matthias Fuchsa2166852009-03-31 15:24:58 -0700198 tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700199 help
200 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800201 chips (often with battery backup) connected with I2C. This driver
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700202 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
Matthias Fuchsa2166852009-03-31 15:24:58 -0700203 EPSON RX-8025 and probably other chips. In some cases the RTC
204 must already have been initialized (by manufacturing or a
205 bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700206
207 The first seven registers on these chips hold an RTC, and other
208 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800209 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800210 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700211
212 This driver can also be built as a module. If so, the module
213 will be called rtc-ds1307.
214
Scott Woodbf4994d2007-10-16 01:28:19 -0700215config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800216 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700217 help
218 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800219 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700220 with the device, the alarm functionality is supported.
221
Alessandro Zummoae64d162009-01-06 14:42:17 -0800222 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700223 will be called rtc-ds1374.
224
Søren Andersen920f91e2014-12-10 15:53:54 -0800225config RTC_DRV_DS1374_WDT
226 bool "Dallas/Maxim DS1374 watchdog timer"
227 depends on RTC_DRV_DS1374
228 help
229 If you say Y here you will get support for the
230 watchdog timer in the Dallas Semiconductor DS1374
231 real-time clock chips.
232
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700233config RTC_DRV_DS1672
234 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700235 help
236 If you say yes here you get support for the
237 Dallas/Maxim DS1672 timekeeping chip.
238
239 This driver can also be built as a module. If so, the module
240 will be called rtc-ds1672.
241
Roy Zangc03675f2010-08-10 18:02:20 -0700242config RTC_DRV_DS3232
243 tristate "Dallas/Maxim DS3232"
Roy Zangc03675f2010-08-10 18:02:20 -0700244 help
245 If you say yes here you get support for Dallas Semiconductor
Lan Chunhe-B25806f46418c2010-10-27 15:33:12 -0700246 DS3232 real-time clock chips. If an interrupt is associated
247 with the device, the alarm functionality is supported.
Roy Zangc03675f2010-08-10 18:02:20 -0700248
249 This driver can also be built as a module. If so, the module
250 will be called rtc-ds3232.
251
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800252config RTC_DRV_HYM8563
253 tristate "Haoyu Microelectronics HYM8563"
Alexandre Belloni37830552015-06-08 19:27:37 +0200254 depends on OF
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800255 help
256 Say Y to enable support for the HYM8563 I2C RTC chip. Apart
257 from the usual rtc functions it provides a clock output of
258 up to 32kHz.
259
260 This driver can also be built as a module. If so, the module
261 will be called rtc-hym8563.
262
Kim, Milo38ae1762013-02-21 16:44:32 -0800263config RTC_DRV_LP8788
264 tristate "TI LP8788 RTC driver"
265 depends on MFD_LP8788
266 help
267 Say Y to enable support for the LP8788 RTC/ALARM driver.
268
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700269config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800270 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700271 help
272 If you say yes here you will get support for the
273 Maxim MAX6900 I2C RTC chip.
274
275 This driver can also be built as a module. If so, the module
276 will be called rtc-max6900.
277
Stephen Warren94c01ab2012-10-04 17:13:56 -0700278config RTC_DRV_MAX8907
279 tristate "Maxim MAX8907"
280 depends on MFD_MAX8907
281 help
282 If you say yes here you will get support for the
283 RTC of Maxim MAX8907 PMIC.
284
285 This driver can also be built as a module. If so, the module
286 will be called rtc-max8907.
287
Haojian Zhuanga39069f2010-01-25 06:30:29 -0500288config RTC_DRV_MAX8925
289 tristate "Maxim MAX8925"
290 depends on MFD_MAX8925
291 help
292 If you say yes here you will get support for the
293 RTC of Maxim MAX8925 PMIC.
294
295 This driver can also be built as a module. If so, the module
296 will be called rtc-max8925.
297
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900298config RTC_DRV_MAX8998
299 tristate "Maxim MAX8998"
300 depends on MFD_MAX8998
301 help
302 If you say yes here you will get support for the
303 RTC of Maxim MAX8998 PMIC.
304
305 This driver can also be built as a module. If so, the module
306 will be called rtc-max8998.
307
Jonghwa Lee5e0b2702013-02-21 16:45:07 -0800308config RTC_DRV_MAX8997
309 tristate "Maxim MAX8997"
310 depends on MFD_MAX8997
311 help
312 If you say yes here you will get support for the
313 RTC of Maxim MAX8997 PMIC.
314
315 This driver can also be built as a module. If so, the module
316 will be called rtc-max8997.
317
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800318config RTC_DRV_MAX77686
319 tristate "Maxim MAX77686"
320 depends on MFD_MAX77686
321 help
322 If you say yes here you will get support for the
323 RTC of Maxim MAX77686 PMIC.
324
325 This driver can also be built as a module. If so, the module
326 will be called rtc-max77686.
327
Chris Zhong3ca1e322014-10-13 15:52:42 -0700328config RTC_DRV_RK808
329 tristate "Rockchip RK808 RTC"
330 depends on MFD_RK808
331 help
332 If you say yes here you will get support for the
333 RTC of RK808 PMIC.
334
335 This driver can also be built as a module. If so, the module
336 will be called rk808-rtc.
337
Javier Martinez Canillasa4d41212014-10-13 15:53:05 -0700338config RTC_DRV_MAX77802
339 tristate "Maxim 77802 RTC"
340 depends on MFD_MAX77686
341 help
342 If you say yes here you will get support for the
343 RTC of Maxim MAX77802 PMIC.
344
345 This driver can also be built as a module. If so, the module
346 will be called rtc-max77802.
347
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700348config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900349 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700350 help
351 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900352 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700353
354 This driver can also be built as a module. If so, the module
355 will be called rtc-rs5c372.
356
357config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800358 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700359 help
360 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800361 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700362
363 This driver can also be built as a module. If so, the module
364 will be called rtc-isl1208.
365
Roman Fietzed6c74282010-08-10 18:02:14 -0700366config RTC_DRV_ISL12022
367 tristate "Intersil ISL12022"
368 help
369 If you say yes here you get support for the
370 Intersil ISL12022 RTC chip.
371
372 This driver can also be built as a module. If so, the module
373 will be called rtc-isl12022.
374
Arnaud Ebalard70e12332013-12-19 23:27:28 +0100375config RTC_DRV_ISL12057
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200376 select REGMAP_I2C
377 tristate "Intersil ISL12057"
378 help
Arnaud Ebalard70e12332013-12-19 23:27:28 +0100379 If you say yes here you get support for the Intersil ISL12057
380 I2C RTC chip.
381
382 This driver can also be built as a module. If so, the module
383 will be called rtc-isl12057.
384
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700385config RTC_DRV_X1205
386 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700387 help
388 If you say yes here you get support for the
389 Xicor/Intersil X1205 RTC chip.
390
391 This driver can also be built as a module. If so, the module
392 will be called rtc-x1205.
393
Laxman Dewangan0101e532013-01-03 16:17:00 +0530394config RTC_DRV_PALMAS
395 tristate "TI Palmas RTC driver"
396 depends on MFD_PALMAS
397 help
398 If you say yes here you get support for the RTC of TI PALMA series PMIC
399 chips.
400
401 This driver can also be built as a module. If so, the module
402 will be called rtc-palma.
403
Renaud Cerrato18cb6362013-07-03 15:08:01 -0700404config RTC_DRV_PCF2127
405 tristate "NXP PCF2127"
406 help
407 If you say yes here you get support for the NXP PCF2127/29 RTC
408 chips.
409
410 This driver can also be built as a module. If so, the module
411 will be called rtc-pcf2127.
412
Thierry Redingf803f0d2012-12-17 16:02:44 -0800413config RTC_DRV_PCF8523
414 tristate "NXP PCF8523"
415 help
416 If you say yes here you get support for the NXP PCF8523 RTC
417 chips.
418
419 This driver can also be built as a module. If so, the module
420 will be called rtc-pcf8523.
421
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700422config RTC_DRV_PCF8563
423 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700424 help
425 If you say yes here you get support for the
426 Philips PCF8563 RTC chip. The Epson RTC8564
427 should work as well.
428
429 This driver can also be built as a module. If so, the module
430 will be called rtc-pcf8563.
431
Søren Andersen796b7ab2014-08-08 14:20:22 -0700432config RTC_DRV_PCF85063
433 tristate "nxp PCF85063"
434 help
435 If you say yes here you get support for the PCF85063 RTC chip
436
437 This driver can also be built as a module. If so, the module
438 will be called rtc-pcf85063.
439
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700440config RTC_DRV_PCF8583
441 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700442 help
443 If you say yes here you get support for the Philips PCF8583
444 RTC chip found on Acorn RiscPCs. This driver supports the
445 platform specific method of retrieving the current year from
446 the RTC's SRAM. It will work on other platforms with the same
447 chip, but the year will probably have to be tweaked.
448
449 This driver can also be built as a module. If so, the module
450 will be called rtc-pcf8583.
451
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700452config RTC_DRV_M41T80
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700453 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700454 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700455 If you say Y here you will get support for the ST M41T60
456 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700457 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700458 M41ST85, M41ST87, and MicroCrystal RV4162.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700459
460 This driver can also be built as a module. If so, the module
461 will be called rtc-m41t80.
462
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700463config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700464 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700465 depends on RTC_DRV_M41T80
466 help
467 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700468 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700469
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800470config RTC_DRV_BQ32K
471 tristate "TI BQ32000"
472 help
473 If you say Y here you will get support for the TI
474 BQ32000 I2C RTC chip.
475
476 This driver can also be built as a module. If so, the module
477 will be called rtc-bq32k.
478
David Brownellafd8d0f2009-02-04 15:12:01 -0800479config RTC_DRV_DM355EVM
480 tristate "TI DaVinci DM355 EVM RTC"
481 depends on MFD_DM355EVM_MSP
482 help
483 Supports the RTC firmware in the MSP430 on the DM355 EVM.
484
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700485config RTC_DRV_TWL92330
Christoph Jaeger6341e622014-12-20 15:41:11 -0500486 bool "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700487 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700488 help
489 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200490 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800491 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700492 the Menelaus driver; it's not separate module.
493
David Brownellf96411a2008-10-20 23:50:05 +0200494config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100495 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700496 depends on TWL4030_CORE
David Brownellf96411a2008-10-20 23:50:05 +0200497 help
498 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100499 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200500
501 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100502 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200503
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800504config RTC_DRV_TPS6586X
505 tristate "TI TPS6586X RTC driver"
506 depends on MFD_TPS6586X
507 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900508 TI Power Management IC TPS6586X supports RTC functionality
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800509 along with alarm. This driver supports the RTC driver for
510 the TPS6586X RTC module.
511
Venu Byravarasu0e783982012-10-04 17:13:55 -0700512config RTC_DRV_TPS65910
513 tristate "TI TPS65910 RTC driver"
514 depends on RTC_CLASS && MFD_TPS65910
515 help
516 If you say yes here you get support for the RTC on the
517 TPS65910 chips.
518
519 This driver can also be built as a module. If so, the module
520 will be called rtc-tps65910.
521
Laxman Dewangan36d61822013-02-21 16:44:34 -0800522config RTC_DRV_TPS80031
523 tristate "TI TPS80031/TPS80032 RTC driver"
524 depends on MFD_TPS80031
525 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900526 TI Power Management IC TPS80031 supports RTC functionality
Laxman Dewangan36d61822013-02-21 16:44:34 -0800527 along with alarm. This driver supports the RTC driver for
528 the TPS80031 RTC module.
529
Venu Byravarasu90829c02012-10-04 17:14:04 -0700530config RTC_DRV_RC5T583
531 tristate "RICOH 5T583 RTC driver"
532 depends on MFD_RC5T583
533 help
534 If you say yes here you get support for the RTC on the
535 RICOH 5T583 chips.
536
537 This driver can also be built as a module. If so, the module
538 will be called rtc-rc5t583.
539
Byron Bradleyc46288b2008-03-04 14:28:25 -0800540config RTC_DRV_S35390A
541 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700542 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800543 help
544 If you say yes here you will get support for the Seiko
545 Instruments S-35390A.
546
547 This driver can also be built as a module. If so the module
548 will be called rtc-s35390a.
549
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700550config RTC_DRV_FM3130
551 tristate "Ramtron FM3130"
552 help
553 If you say Y here you will get support for the
554 Ramtron FM3130 RTC chips.
555 Ramtron FM3130 is a chip with two separate devices inside,
556 RTC clock and FRAM. This driver provides only RTC functionality.
557
558 This driver can also be built as a module. If so the module
559 will be called rtc-fm3130.
560
Martyn Welcha7fa9852008-11-12 13:27:06 -0800561config RTC_DRV_RX8581
562 tristate "Epson RX-8581"
563 help
564 If you say yes here you will get support for the Epson RX-8581.
565
566 This driver can also be built as a module. If so the module
567 will be called rtc-rx8581.
568
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700569config RTC_DRV_RX8025
570 tristate "Epson RX-8025SA/NB"
571 help
572 If you say yes here you get support for the Epson
573 RX-8025SA/NB RTC chips.
574
575 This driver can also be built as a module. If so, the module
576 will be called rtc-rx8025.
577
Mike Rapoportae3551f2011-05-26 16:25:04 -0700578config RTC_DRV_EM3027
579 tristate "EM Microelectronic EM3027"
580 help
581 If you say yes here you get support for the EM
582 Microelectronic EM3027 RTC chips.
583
584 This driver can also be built as a module. If so, the module
585 will be called rtc-em3027.
586
Heiko Schocher52365232011-05-26 16:25:05 -0700587config RTC_DRV_RV3029C2
588 tristate "Micro Crystal RTC"
589 help
590 If you say yes here you get support for the Micro Crystal
591 RV3029-C2 RTC chips.
592
593 This driver can also be built as a module. If so, the module
594 will be called rtc-rv3029c2.
595
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800596config RTC_DRV_S5M
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700597 tristate "Samsung S2M/S5M series"
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800598 depends on MFD_SEC_CORE
599 help
600 If you say yes here you will get support for the
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700601 RTC of Samsung S2MPS14 and S5M PMIC series.
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800602
603 This driver can also be built as a module. If so, the module
604 will be called rtc-s5m.
605
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700606endif # I2C
607
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700608comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700609
610if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700611
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700612config RTC_DRV_M41T93
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200613 tristate "ST M41T93"
614 help
615 If you say yes here you will get support for the
616 ST M41T93 SPI RTC chip.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700617
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200618 This driver can also be built as a module. If so, the module
619 will be called rtc-m41t93.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700620
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700621config RTC_DRV_M41T94
622 tristate "ST M41T94"
623 help
624 If you say yes here you will get support for the
625 ST M41T94 SPI RTC chip.
626
627 This driver can also be built as a module. If so, the module
628 will be called rtc-m41t94.
629
David Brownell53e84b62008-07-23 21:30:36 -0700630config RTC_DRV_DS1305
631 tristate "Dallas/Maxim DS1305/DS1306"
632 help
633 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800634 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700635 charger, alarms, and NVRAM in addition to the clock.
636
637 This driver can also be built as a module. If so, the module
638 will be called rtc-ds1305.
639
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700640config RTC_DRV_DS1343
Raghavendra Ganiga0dd449b2014-06-06 14:36:00 -0700641 select REGMAP_SPI
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700642 tristate "Dallas/Maxim DS1343/DS1344"
643 help
644 If you say yes here you get support for the
645 Dallas/Maxim DS1343 and DS1344 real time clock chips.
646 Support for trickle charger, alarm is provided.
647
648 This driver can also be built as a module. If so, the module
649 will be called rtc-ds1343.
650
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700651config RTC_DRV_DS1347
652 tristate "Dallas/Maxim DS1347"
653 help
654 If you say yes here you get support for the
655 Dallas/Maxim DS1347 chips.
656
657 This driver only supports the RTC feature, and not other chip
658 features such as alarms.
659
660 This driver can also be built as a module. If so, the module
661 will be called rtc-ds1347.
662
Mark Jackson06de1802008-11-12 13:27:07 -0800663config RTC_DRV_DS1390
664 tristate "Dallas/Maxim DS1390/93/94"
665 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800666 If you say yes here you get support for the
667 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800668
669 This driver only supports the RTC feature, and not other chip
670 features such as alarms and trickle charging.
671
672 This driver can also be built as a module. If so, the module
673 will be called rtc-ds1390.
674
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800675config RTC_DRV_MAX6902
676 tristate "Maxim MAX6902"
677 help
678 If you say yes here you will get support for the
679 Maxim MAX6902 SPI RTC chip.
680
681 This driver can also be built as a module. If so, the module
682 will be called rtc-max6902.
683
Magnus Damm2805b962008-02-06 01:38:53 -0800684config RTC_DRV_R9701
685 tristate "Epson RTC-9701JE"
686 help
687 If you say yes here you will get support for the
688 Epson RTC-9701JE SPI RTC chip.
689
690 This driver can also be built as a module. If so, the module
691 will be called rtc-r9701.
692
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700693config RTC_DRV_RS5C348
694 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700695 help
696 If you say yes here you get support for the
697 Ricoh RS5C348A and RS5C348B RTC chips.
698
699 This driver can also be built as a module. If so, the module
700 will be called rtc-rs5c348.
701
Dennis Aberilla2f9b75e2008-10-15 22:02:57 -0700702config RTC_DRV_DS3234
703 tristate "Maxim/Dallas DS3234"
704 help
705 If you say yes here you get support for the
706 Maxim/Dallas DS3234 SPI RTC chip.
707
708 This driver can also be built as a module. If so, the module
709 will be called rtc-ds3234.
710
Chris Verges7f3923a2009-09-22 16:46:20 -0700711config RTC_DRV_PCF2123
712 tristate "NXP PCF2123"
713 help
714 If you say yes here you get support for the NXP PCF2123
715 RTC chip.
716
717 This driver can also be built as a module. If so, the module
718 will be called rtc-pcf2123.
719
Torben Hohncce2da92013-02-21 16:44:40 -0800720config RTC_DRV_RX4581
721 tristate "Epson RX-4581"
722 help
723 If you say yes here you will get support for the Epson RX-4581.
724
725 This driver can also be built as a module. If so the module
726 will be called rtc-rx4581.
727
Josef Gajdusek1fcbe422014-06-06 14:36:02 -0700728config RTC_DRV_MCP795
729 tristate "Microchip MCP795"
730 help
731 If you say yes here you will get support for the Microchip MCP795.
732
733 This driver can also be built as a module. If so the module
734 will be called rtc-mcp795.
735
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700736endif # SPI_MASTER
737
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700738comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800739
David Brownell7be2c7c2007-02-10 01:46:02 -0800740# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
741# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
742# global rtc_lock ... it's not yet just another platform_device.
743
744config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700745 tristate "PC-style 'CMOS'"
Geert Uytterhoeven41c9dbf2014-01-23 15:55:12 -0800746 depends on X86 || ARM || M32R || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700747 default y if X86
David Brownell7be2c7c2007-02-10 01:46:02 -0800748 help
749 Say "yes" here to get direct support for the real time clock
750 found in every PC or ACPI-based system, and some other boards.
751 Specifically the original MC146818, compatibles like those in
752 PC south bridges, the DS12887 or M48T86, some multifunction
753 or LPC bus chips, and so on.
754
755 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800756 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800757 you can safely enable this driver if you don't know whether
758 or not your board has this kind of hardware.
759
760 This driver can also be built as a module. If so, the module
761 will be called rtc-cmos.
762
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700763config RTC_DRV_ALPHA
764 bool "Alpha PC-style CMOS"
765 depends on ALPHA
766 default y
767 help
768 Direct support for the real-time clock found on every Alpha
769 system, specifically MC146818 compatibles. If in doubt, say Y.
770
Feng Tang0146f262010-11-10 17:29:17 +0000771config RTC_DRV_VRTC
Alan Cox933b9462011-12-17 17:43:40 +0000772 tristate "Virtual RTC for Intel MID platforms"
773 depends on X86_INTEL_MID
774 default y if X86_INTEL_MID
Feng Tang0146f262010-11-10 17:29:17 +0000775
776 help
777 Say "yes" here to get direct support for the real time clock
778 found on Moorestown platforms. The VRTC is a emulated RTC that
779 derives its clock source from a real RTC in the PMIC. The MC146818
780 style programming interface is mostly conserved, but any
781 updates are done via IPC calls to the system controller FW.
782
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700783config RTC_DRV_DS1216
784 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700785 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700786 help
787 If you say yes here you get support for the Dallas DS1216 RTC chips.
788
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200789config RTC_DRV_DS1286
790 tristate "Dallas DS1286"
Chen Gang706b6322014-10-13 15:53:14 -0700791 depends on HAS_IOMEM
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200792 help
793 If you say yes here you get support for the Dallas DS1286 RTC chips.
794
Paul Mundt739d3402008-02-06 01:38:44 -0800795config RTC_DRV_DS1302
796 tristate "Dallas DS1302"
797 depends on SH_SECUREEDGE5410
798 help
799 If you say yes here you get support for the Dallas DS1302 RTC chips.
800
Andrew Sharp8f267952008-02-06 01:38:46 -0800801config RTC_DRV_DS1511
802 tristate "Dallas DS1511"
Chen Gang706b6322014-10-13 15:53:14 -0700803 depends on HAS_IOMEM
Andrew Sharp8f267952008-02-06 01:38:46 -0800804 help
805 If you say yes here you get support for the
806 Dallas DS1511 timekeeping/watchdog chip.
807
808 This driver can also be built as a module. If so, the module
809 will be called rtc-ds1511.
810
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700811config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800812 tristate "Maxim/Dallas DS1553"
Chen Gang706b6322014-10-13 15:53:14 -0700813 depends on HAS_IOMEM
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700814 help
815 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800816 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700817
818 This driver can also be built as a module. If so, the module
819 will be called rtc-ds1553.
820
Joshua Kinardaaaf5fb2015-02-16 16:00:26 -0800821config RTC_DRV_DS1685_FAMILY
822 tristate "Dallas/Maxim DS1685 Family"
823 help
824 If you say yes here you get support for the Dallas/Maxim DS1685
825 family of real time chips. This family includes the DS1685/DS1687,
826 DS1689/DS1693, DS17285/DS17287, DS17485/DS17487, and
827 DS17885/DS17887 chips.
828
829 This driver can also be built as a module. If so, the module
830 will be called rtc-ds1685.
831
832choice
833 prompt "Subtype"
834 depends on RTC_DRV_DS1685_FAMILY
835 default RTC_DRV_DS1685
836
837config RTC_DRV_DS1685
838 bool "DS1685/DS1687"
839 help
840 This enables support for the Dallas/Maxim DS1685/DS1687 real time
841 clock chip.
842
843 This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30)
844 systems, as well as EPPC-405-UC modules by electronic system design
845 GmbH.
846
847config RTC_DRV_DS1689
848 bool "DS1689/DS1693"
849 help
850 This enables support for the Dallas/Maxim DS1689/DS1693 real time
851 clock chip.
852
853 This is an older RTC chip, supplanted by the DS1685/DS1687 above,
854 which supports a few minor features such as Vcc, Vbat, and Power
855 Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
856
857 It also works for the even older DS1688/DS1691 RTC chips, which are
858 virtually the same and carry the same model number. Both chips
859 have 114 bytes of user NVRAM.
860
861config RTC_DRV_DS17285
862 bool "DS17285/DS17287"
863 help
864 This enables support for the Dallas/Maxim DS17285/DS17287 real time
865 clock chip.
866
867 This chip features 2kb of extended NV-SRAM. It may possibly be
868 found in some SGI O2 systems (rare).
869
870config RTC_DRV_DS17485
871 bool "DS17485/DS17487"
872 help
873 This enables support for the Dallas/Maxim DS17485/DS17487 real time
874 clock chip.
875
876 This chip features 4kb of extended NV-SRAM.
877
878config RTC_DRV_DS17885
879 bool "DS17885/DS17887"
880 help
881 This enables support for the Dallas/Maxim DS17885/DS17887 real time
882 clock chip.
883
884 This chip features 8kb of extended NV-SRAM.
885
886endchoice
887
888config RTC_DS1685_PROC_REGS
889 bool "Display register values in /proc"
890 depends on RTC_DRV_DS1685_FAMILY && PROC_FS
891 help
892 Enable this to display a readout of all of the RTC registers in
893 /proc/drivers/rtc. Keep in mind that this can potentially lead
894 to lost interrupts, as reading Control Register C will clear
895 all pending IRQ flags.
896
897 Unless you are debugging this driver, choose N.
898
899config RTC_DS1685_SYSFS_REGS
900 bool "SysFS access to RTC register bits"
901 depends on RTC_DRV_DS1685_FAMILY && SYSFS
902 help
903 Enable this to provide access to the RTC control register bits
904 in /sys. Some of the bits are read-write, others are read-only.
905
906 Keep in mind that reading Control C's bits automatically clears
907 all pending IRQ flags - this can cause lost interrupts.
908
909 If you know that you need access to these bits, choose Y, Else N.
910
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800911config RTC_DRV_DS1742
912 tristate "Maxim/Dallas DS1742/1743"
Chen Gang706b6322014-10-13 15:53:14 -0700913 depends on HAS_IOMEM
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800914 help
915 If you say yes here you get support for the
916 Maxim/Dallas DS1742/1743 timekeeping chip.
917
918 This driver can also be built as a module. If so, the module
919 will be called rtc-ds1742.
920
Jean Delvaread0200f2014-08-08 14:20:03 -0700921config RTC_DRV_DS2404
922 tristate "Maxim/Dallas DS2404"
923 help
924 If you say yes here you get support for the
925 Dallas DS2404 RTC chip.
926
927 This driver can also be built as a module. If so, the module
928 will be called rtc-ds2404.
929
Ashish Jangamfef931f2012-03-23 15:02:36 -0700930config RTC_DRV_DA9052
931 tristate "Dialog DA9052/DA9053 RTC"
932 depends on PMIC_DA9052
933 help
934 Say y here to support the RTC driver for Dialog Semiconductor
935 DA9052-BC and DA9053-AA/Bx PMICs.
936
Ashish Jangam6920d992012-12-17 16:02:53 -0800937config RTC_DRV_DA9055
938 tristate "Dialog Semiconductor DA9055 RTC"
939 depends on MFD_DA9055
940 help
941 If you say yes here you will get support for the
942 RTC of the Dialog DA9055 PMIC.
943
944 This driver can also be built as a module. If so, the module
945 will be called rtc-da9055
946
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -0700947config RTC_DRV_DA9063
S Twiss80ca3272015-07-21 11:29:07 +0100948 tristate "Dialog Semiconductor DA9063/DA9062 RTC"
949 depends on MFD_DA9063 || MFD_DA9062
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -0700950 help
951 If you say yes here you will get support for the RTC subsystem
S Twiss80ca3272015-07-21 11:29:07 +0100952 for the Dialog Semiconductor PMIC chips DA9063 and DA9062.
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -0700953
954 This driver can also be built as a module. If so, the module
955 will be called "rtc-da9063".
956
dann frazier5e3fd9e2009-03-31 15:24:48 -0700957config RTC_DRV_EFI
958 tristate "EFI RTC"
Matt Fleming7efe6652014-10-03 13:06:33 +0100959 depends on EFI && !X86
dann frazier5e3fd9e2009-03-31 15:24:48 -0700960 help
961 If you say yes here you will get support for the EFI
962 Real Time Clock.
963
964 This driver can also be built as a module. If so, the module
965 will be called rtc-efi.
966
Thomas Hommel02964112007-07-21 04:37:58 -0700967config RTC_DRV_STK17TA8
968 tristate "Simtek STK17TA8"
Chen Gang706b6322014-10-13 15:53:14 -0700969 depends on HAS_IOMEM
Thomas Hommel02964112007-07-21 04:37:58 -0700970 help
971 If you say yes here you get support for the
972 Simtek STK17TA8 timekeeping chip.
973
974 This driver can also be built as a module. If so, the module
975 will be called rtc-stk17ta8.
976
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700977config RTC_DRV_M48T86
978 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700979 help
980 If you say Y here you will get support for the
981 ST M48T86 and Dallas DS12887 RTC chips.
982
983 This driver can also be built as a module. If so, the module
984 will be called rtc-m48t86.
985
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200986config RTC_DRV_M48T35
987 tristate "ST M48T35"
Chen Gang706b6322014-10-13 15:53:14 -0700988 depends on HAS_IOMEM
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200989 help
990 If you say Y here you will get support for the
991 ST M48T35 RTC chip.
992
993 This driver can also be built as a module, if so, the module
994 will be called "rtc-m48t35".
995
Mark Zhan2e774c72007-07-17 04:05:05 -0700996config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700997 tristate "ST M48T59/M48T08/M48T02"
Chen Gang706b6322014-10-13 15:53:14 -0700998 depends on HAS_IOMEM
Mark Zhan2e774c72007-07-17 04:05:05 -0700999 help
1000 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -07001001 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
1002
1003 These chips are usually found in Sun SPARC and UltraSPARC
1004 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -07001005
1006 This driver can also be built as a module, if so, the module
1007 will be called "rtc-m48t59".
1008
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001009config RTC_DRV_MSM6242
1010 tristate "Oki MSM6242"
Chen Gang706b6322014-10-13 15:53:14 -07001011 depends on HAS_IOMEM
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001012 help
1013 If you say yes here you get support for the Oki MSM6242
1014 timekeeping chip. It is used in some Amiga models (e.g. A2000).
1015
1016 This driver can also be built as a module. If so, the module
1017 will be called rtc-msm6242.
1018
David S. Millercca4c232008-08-29 01:29:53 -07001019config RTC_DRV_BQ4802
1020 tristate "TI BQ4802"
Chen Gang706b6322014-10-13 15:53:14 -07001021 depends on HAS_IOMEM
David S. Millercca4c232008-08-29 01:29:53 -07001022 help
1023 If you say Y here you will get support for the TI
1024 BQ4802 RTC chip.
1025
1026 This driver can also be built as a module. If so, the module
1027 will be called rtc-bq4802.
1028
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001029config RTC_DRV_RP5C01
1030 tristate "Ricoh RP5C01"
Chen Gang706b6322014-10-13 15:53:14 -07001031 depends on HAS_IOMEM
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001032 help
1033 If you say yes here you get support for the Ricoh RP5C01
1034 timekeeping chip. It is used in some Amiga models (e.g. A3000
1035 and A4000).
1036
1037 This driver can also be built as a module. If so, the module
1038 will be called rtc-rp5c01.
1039
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001040config RTC_DRV_V3020
1041 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001042 help
1043 If you say yes here you will get support for the
1044 EM Microelectronic v3020 RTC chip.
1045
1046 This driver can also be built as a module. If so, the module
1047 will be called rtc-v3020.
1048
Mark Brown35c86bf2009-08-27 19:59:05 +02001049config RTC_DRV_WM831X
1050 tristate "Wolfson Microelectronics WM831x RTC"
1051 depends on MFD_WM831X
1052 help
1053 If you say yes here you will get support for the RTC subsystem
1054 of the Wolfson Microelectronics WM831X series PMICs.
1055
1056 This driver can also be built as a module. If so, the module
1057 will be called "rtc-wm831x".
1058
Mark Brown077eaf52008-11-12 13:27:04 -08001059config RTC_DRV_WM8350
1060 tristate "Wolfson Microelectronics WM8350 RTC"
1061 depends on MFD_WM8350
1062 help
1063 If you say yes here you will get support for the RTC subsystem
1064 of the Wolfson Microelectronics WM8350.
1065
1066 This driver can also be built as a module. If so, the module
1067 will be called "rtc-wm8350".
1068
Rajeev Kumar0942a712011-05-26 16:25:09 -07001069config RTC_DRV_SPEAR
1070 tristate "SPEAR ST RTC"
1071 depends on PLAT_SPEAR
1072 default y
1073 help
1074 If you say Y here you will get support for the RTC found on
1075 spear
1076
Balaji Raoeae854b2009-01-09 01:50:51 +01001077config RTC_DRV_PCF50633
1078 depends on MFD_PCF50633
1079 tristate "NXP PCF50633 RTC"
1080 help
1081 If you say yes here you get support for the RTC subsystem of the
1082 NXP PCF50633 used in embedded systems.
1083
Linus Walleijbd207cf2009-08-30 23:49:04 +02001084config RTC_DRV_AB3100
1085 tristate "ST-Ericsson AB3100 RTC"
1086 depends on AB3100_CORE
1087 default y if AB3100_CORE
1088 help
1089 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
1090 support. This chip contains a battery- and capacitor-backed RTC.
1091
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001092config RTC_DRV_AB8500
1093 tristate "ST-Ericsson AB8500 RTC"
1094 depends on AB8500_CORE
Ulf Hansson651fb482012-10-04 17:14:32 -07001095 select RTC_INTF_DEV
Ramesh Chandrasekarandc43d4a2012-07-30 14:41:41 -07001096 select RTC_INTF_DEV_UIE_EMUL
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001097 help
1098 Select this to enable the ST-Ericsson AB8500 power management IC RTC
1099 support. This chip contains a battery- and capacitor-backed RTC.
1100
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001101config RTC_DRV_NUC900
1102 tristate "NUC910/NUC920 RTC driver"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -07001103 depends on ARCH_W90X900
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001104 help
1105 If you say yes here you get support for the RTC subsystem of the
1106 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +02001107
Neelesh Gupta16b1d262014-10-14 14:08:36 +05301108config RTC_DRV_OPAL
1109 tristate "IBM OPAL RTC driver"
1110 depends on PPC_POWERNV
1111 default y
1112 help
1113 If you say yes here you get support for the PowerNV platform RTC
1114 driver based on OPAL interfaces.
1115
1116 This driver can also be built as a module. If so, the module
1117 will be called rtc-opal.
1118
Suneel Garapati11143c12015-08-19 15:23:22 +05301119config RTC_DRV_ZYNQMP
1120 tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
1121 depends on OF
1122 help
1123 If you say yes here you get support for the RTC controller found on
1124 Xilinx Zynq Ultrascale+ MPSoC.
1125
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001126comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001127
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -06001128config RTC_DRV_DAVINCI
1129 tristate "TI DaVinci RTC"
1130 depends on ARCH_DAVINCI_DM365
1131 help
1132 If you say yes here you get support for the RTC on the
1133 DaVinci platforms (DM365).
1134
1135 This driver can also be built as a module. If so, the module
1136 will be called rtc-davinci.
1137
Baruch Siachba172202015-04-16 12:45:40 -07001138config RTC_DRV_DIGICOLOR
1139 tristate "Conexant Digicolor RTC"
1140 depends on ARCH_DIGICOLOR
1141 help
1142 If you say yes here you get support for the RTC on Conexant
1143 Digicolor platforms. This currently includes the CX92755 SoC.
1144
1145 This driver can also be built as a module. If so, the module
1146 will be called rtc-digicolor.
1147
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001148config RTC_DRV_IMXDI
1149 tristate "Freescale IMX DryIce Real Time Clock"
Roland Stiggeef216ad2012-12-17 16:02:22 -08001150 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001151 help
1152 Support for Freescale IMX DryIce RTC
1153
1154 This driver can also be built as a module, if so, the module
1155 will be called "rtc-imxdi".
1156
David Brownelldb68b182006-12-06 20:38:36 -08001157config RTC_DRV_OMAP
Lokesh Vutla86089762015-04-16 12:46:03 -07001158 tristate "TI OMAP Real Time Clock"
1159 depends on ARCH_OMAP || ARCH_DAVINCI
David Brownelldb68b182006-12-06 20:38:36 -08001160 help
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001161 Say "yes" here to support the on chip real time clock
Lokesh Vutla86089762015-04-16 12:46:03 -07001162 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001163
1164 This driver can also be built as a module, if so, module
1165 will be called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -08001166
Atul Dahiya16f4efe2010-07-20 16:38:49 +05301167config HAVE_S3C_RTC
1168 bool
1169 help
1170 This will include RTC support for Samsung SoCs. If
1171 you want to include RTC support for any machine, kindly
1172 select this in the respective mach-XXXX/Kconfig file.
1173
Ben Dooks1add6782006-07-01 04:36:26 -07001174config RTC_DRV_S3C
1175 tristate "Samsung S3C series SoC RTC"
Kukjin Kimb130d5c2012-02-03 14:29:23 +09001176 depends on ARCH_S3C64XX || HAVE_S3C_RTC
Ben Dooks1add6782006-07-01 04:36:26 -07001177 help
1178 RTC (Realtime Clock) driver for the clock inbuilt into the
1179 Samsung S3C24XX series of SoCs. This can provide periodic
1180 interrupt rates from 1Hz to 64Hz for user programs, and
1181 wakeup from Alarm.
1182
1183 The driver currently supports the common features on all the
1184 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
1185 and S3C2442.
1186
1187 This driver can also be build as a module. If so, the module
1188 will be called rtc-s3c.
1189
Alessandro Zummofd507e22006-03-27 01:16:45 -08001190config RTC_DRV_EP93XX
1191 tristate "Cirrus Logic EP93XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001192 depends on ARCH_EP93XX
Alessandro Zummofd507e22006-03-27 01:16:45 -08001193 help
1194 If you say yes here you get support for the
1195 RTC embedded in the Cirrus Logic EP93XX processors.
1196
1197 This driver can also be built as a module. If so, the module
1198 will be called rtc-ep93xx.
1199
Richard Purdiee842f1c2006-03-27 01:16:46 -08001200config RTC_DRV_SA1100
Haojian Zhuang3888c092012-02-21 11:51:13 +08001201 tristate "SA11x0/PXA2xx/PXA910"
1202 depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
Richard Purdiee842f1c2006-03-27 01:16:46 -08001203 help
1204 If you say Y here you will get access to the real time clock
1205 built into your SA11x0 or PXA2xx CPU.
1206
1207 To compile this driver as a module, choose M here: the
1208 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -08001209
Paul Mundt317a6102006-09-27 17:13:19 +09001210config RTC_DRV_SH
1211 tristate "SuperH On-Chip RTC"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -07001212 depends on SUPERH && HAVE_CLK
Paul Mundt317a6102006-09-27 17:13:19 +09001213 help
1214 Say Y here to enable support for the on-chip RTC found in
1215 most SuperH processors.
1216
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001217 To compile this driver as a module, choose M here: the
Paul Mundt317a6102006-09-27 17:13:19 +09001218 module will be called rtc-sh.
1219
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001220config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001221 tristate "NEC VR41XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001222 depends on CPU_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001223 help
1224 If you say Y here you will get access to the real time clock
1225 built into your NEC VR41XX CPU.
1226
1227 To compile this driver as a module, choose M here: the
1228 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001229
Russell Kinga1909012008-04-20 12:08:36 +01001230config RTC_DRV_PL030
1231 tristate "ARM AMBA PL030 RTC"
1232 depends on ARM_AMBA
1233 help
1234 If you say Y here you will get access to ARM AMBA
1235 PrimeCell PL030 RTC found on certain ARM SOCs.
1236
1237 To compile this driver as a module, choose M here: the
1238 module will be called rtc-pl030.
1239
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001240config RTC_DRV_PL031
1241 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001242 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001243 help
1244 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001245 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001246
1247 To compile this driver as a module, choose M here: the
1248 module will be called rtc-pl031.
1249
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -07001250config RTC_DRV_AT32AP700X
1251 tristate "AT32AP700X series RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001252 depends on PLATFORM_AT32AP
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -07001253 help
1254 Driver for the internal RTC (Realtime Clock) on Atmel AVR32
1255 AT32AP700x family processors.
1256
Andrew Victor7fc39f62006-12-10 02:19:03 -08001257config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001258 tristate "AT91RM9200 or some AT91SAM9 RTC"
Nicolas Ferre938f9702012-03-15 14:38:09 +01001259 depends on ARCH_AT91
Andrew Victor788b1fc2006-06-25 05:48:27 -07001260 help
David Brownell4cdf8542008-02-06 01:38:59 -08001261 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001262 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -08001263 this is powered by the backup power supply.
1264
1265config RTC_DRV_AT91SAM9
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001266 tristate "AT91SAM9 RTT as RTC"
Nicolas Ferreee72f182014-11-21 16:34:08 +01001267 depends on ARCH_AT91
Boris BREZILLON43e112b2014-09-23 13:14:44 +02001268 select MFD_SYSCON
David Brownell4cdf8542008-02-06 01:38:59 -08001269 help
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001270 Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
1271 can be used as an RTC thanks to the backup power supply (e.g. a
1272 small coin cell battery) which keeps this block and the GPBR
1273 (General Purpose Backup Registers) block powered when the device
1274 is shutdown.
1275 Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
1276 probably want to use the real RTC block instead of the "RTT as an
1277 RTC" driver.
David Brownell4cdf8542008-02-06 01:38:59 -08001278
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001279config RTC_DRV_AU1XXX
1280 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +02001281 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001282 help
1283 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1284 counter) to be used as a RTC.
1285
1286 This driver can also be built as a module. If so, the module
1287 will be called rtc-au1xxx.
1288
Wu, Bryan8cc75c92007-05-06 14:50:32 -07001289config RTC_DRV_BFIN
1290 tristate "Blackfin On-Chip RTC"
Graf Yang7f604592008-08-20 14:09:02 -07001291 depends on BLACKFIN && !BF561
Wu, Bryan8cc75c92007-05-06 14:50:32 -07001292 help
1293 If you say yes here you will get support for the
1294 Blackfin On-Chip Real Time Clock.
1295
1296 This driver can also be built as a module. If so, the module
1297 will be called rtc-bfin.
1298
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001299config RTC_DRV_RS5C313
1300 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001301 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001302 help
1303 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1304
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001305config RTC_DRV_GENERIC
1306 tristate "Generic RTC support"
1307 # Please consider writing a new RTC driver instead of using the generic
1308 # RTC abstraction
Paul Mundt47c8a082009-04-27 17:34:39 +09001309 depends on PARISC || M68K || PPC || SUPERH32
Kyle McMartin9eb16862008-09-10 14:24:07 +00001310 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001311 Say Y or M here to enable RTC support on systems using the generic
1312 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +00001313 just say Y.
1314
Robert Jarzmikdc944362009-01-06 14:42:14 -08001315config RTC_DRV_PXA
Rob Herring3cdf4ad2015-05-13 09:20:04 -05001316 tristate "PXA27x/PXA3xx"
1317 depends on ARCH_PXA
1318 select RTC_DRV_SA1100
1319 help
1320 If you say Y here you will get access to the real time clock
1321 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1322 consisting of an SA1100 compatible RTC and the extended PXA RTC.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001323
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001324 This RTC driver uses PXA RTC registers available since pxa27x
1325 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001326
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001327config RTC_DRV_VT8500
1328 tristate "VIA/WonderMedia 85xx SoC RTC"
1329 depends on ARCH_VT8500
1330 help
1331 If you say Y here you will get access to the real time clock
1332 built into your VIA VT8500 SoC or its relatives.
1333
Robert Jarzmikdc944362009-01-06 14:42:14 -08001334
David S. Miller7a138ed2008-08-29 01:32:43 -07001335config RTC_DRV_SUN4V
1336 bool "SUN4V Hypervisor RTC"
1337 depends on SPARC64
1338 help
1339 If you say Y here you will get support for the Hypervisor
1340 based RTC on SUN4V systems.
1341
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001342config RTC_DRV_SUN6I
1343 tristate "Allwinner A31 RTC"
1344 depends on MACH_SUN6I || MACH_SUN8I
1345 help
1346 If you say Y here you will get support for the RTC found on
1347 Allwinner A31.
1348
Carlo Caione594c6fb2013-11-16 18:33:54 +01001349config RTC_DRV_SUNXI
1350 tristate "Allwinner sun4i/sun7i RTC"
Chen-Yu Tsai64a19252014-08-26 11:54:56 +08001351 depends on MACH_SUN4I || MACH_SUN7I
Carlo Caione594c6fb2013-11-16 18:33:54 +01001352 help
1353 If you say Y here you will get support for the RTC found on
1354 Allwinner A10/A20.
1355
David S. Millerde2cf332008-08-28 23:02:36 -07001356config RTC_DRV_STARFIRE
1357 bool "Starfire RTC"
1358 depends on SPARC64
1359 help
1360 If you say Y here you will get support for the RTC found on
1361 Starfire systems.
1362
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001363config RTC_DRV_TX4939
1364 tristate "TX4939 SoC"
1365 depends on SOC_TX4939
1366 help
1367 Driver for the internal RTC (Realtime Clock) module found on
1368 Toshiba TX4939 SoC.
1369
Saeed Bisharadefb4512009-01-06 14:42:24 -08001370config RTC_DRV_MV
1371 tristate "Marvell SoC RTC"
Andrew Lunnace2c022014-08-30 18:46:10 +02001372 depends on ARCH_DOVE || ARCH_MVEBU
Saeed Bisharadefb4512009-01-06 14:42:24 -08001373 help
1374 If you say yes here you will get support for the in-chip RTC
1375 that can be found in some of Marvell's SoC devices, such as
1376 the Kirkwood 88F6281 and 88F6192.
1377
1378 This driver can also be built as a module. If so, the module
1379 will be called rtc-mv.
1380
Gregory CLEMENTa3a42802015-02-13 14:41:11 -08001381config RTC_DRV_ARMADA38X
1382 tristate "Armada 38x Marvell SoC RTC"
1383 depends on ARCH_MVEBU
1384 help
1385 If you say yes here you will get support for the in-chip RTC
1386 that can be found in the Armada 38x Marvell's SoC device
1387
1388 This driver can also be built as a module. If so, the module
1389 will be called armada38x-rtc.
1390
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001391config RTC_DRV_GEMINI
1392 tristate "Gemini SoC RTC"
1393 depends on ARCH_GEMINI || COMPILE_TEST
1394 depends on HAS_IOMEM
1395 help
1396 If you say Y here you will get support for the
1397 RTC found on Gemini SoC's.
1398
1399 This driver can also be built as a module. If so, the module
1400 will be called rtc-gemini.
1401
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +01001402config RTC_DRV_PS3
1403 tristate "PS3 RTC"
1404 depends on PPC_PS3
1405 help
1406 If you say yes here you will get support for the RTC on PS3.
1407
1408 This driver can also be built as a module. If so, the module
1409 will be called rtc-ps3.
1410
Linus Walleijaa958f52009-09-22 16:46:24 -07001411config RTC_DRV_COH901331
1412 tristate "ST-Ericsson COH 901 331 RTC"
1413 depends on ARCH_U300
1414 help
1415 If you say Y here you will get access to ST-Ericsson
1416 COH 901 331 RTC clock found in some ST-Ericsson Mobile
1417 Platforms.
1418
1419 This driver can also be built as a module. If so, the module
1420 will be called "rtc-coh901331".
1421
1422
dmitry pervushindf17f632009-09-22 16:46:26 -07001423config RTC_DRV_STMP
Wolfram Sang46b21212011-05-25 12:56:50 +02001424 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1425 depends on ARCH_MXS
Alexandre Belloni20d048a2015-05-03 11:29:44 +02001426 select STMP_DEVICE
dmitry pervushindf17f632009-09-22 16:46:26 -07001427 help
1428 If you say yes here you will get support for the onboard
Wolfram Sang46b21212011-05-25 12:56:50 +02001429 STMP3xxx/i.MX23/i.MX28 RTC.
dmitry pervushindf17f632009-09-22 16:46:26 -07001430
1431 This driver can also be built as a module. If so, the module
1432 will be called rtc-stmp3xxx.
1433
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -07001434config RTC_DRV_PCAP
1435 tristate "PCAP RTC"
1436 depends on EZX_PCAP
1437 help
1438 If you say Y here you will get support for the RTC found on
1439 the PCAP2 ASIC used on some Motorola phones.
1440
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001441config RTC_DRV_MC13XXX
1442 depends on MFD_MC13XXX
1443 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001444 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001445 This enables support for the RTCs found on Freescale's PMICs
1446 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001447
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001448config RTC_DRV_MPC5121
1449 tristate "Freescale MPC5121 built-in RTC"
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001450 depends on PPC_MPC512x || PPC_MPC52xx
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001451 help
1452 If you say yes here you will get support for the
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001453 built-in RTC on MPC5121 or on MPC5200.
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001454
1455 This driver can also be built as a module. If so, the module
1456 will be called rtc-mpc5121.
1457
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001458config RTC_DRV_JZ4740
1459 tristate "Ingenic JZ4740 SoC"
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001460 depends on MACH_JZ4740
1461 help
1462 If you say yes here you get support for the Ingenic JZ4740 SoC RTC
1463 controller.
1464
1465 This driver can also be buillt as a module. If so, the module
1466 will be called rtc-jz4740.
1467
Joachim Eastwoodc28b42e2015-07-11 19:28:49 +02001468config RTC_DRV_LPC24XX
1469 tristate "NXP RTC for LPC178x/18xx/408x/43xx"
1470 depends on ARCH_LPC18XX || COMPILE_TEST
1471 depends on OF && HAS_IOMEM
1472 help
1473 This enables support for the NXP RTC found which can be found on
1474 NXP LPC178x/18xx/408x/43xx devices.
1475
1476 If you have one of the devices above enable this driver to use
1477 the hardware RTC. This driver can also be buillt as a module. If
1478 so, the module will be called rtc-lpc24xx.
1479
Kevin Wells9aa449b2010-10-27 15:33:01 -07001480config RTC_DRV_LPC32XX
1481 depends on ARCH_LPC32XX
1482 tristate "NXP LPC32XX RTC"
1483 help
1484 This enables support for the NXP RTC in the LPC32XX
1485
1486 This driver can also be buillt as a module. If so, the module
1487 will be called rtc-lpc32xx.
1488
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001489config RTC_DRV_PM8XXX
1490 tristate "Qualcomm PMIC8XXX RTC"
Stanimir Varbanovc8d523a2014-10-29 14:50:33 -07001491 depends on MFD_PM8XXX || MFD_SPMI_PMIC
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001492 help
1493 If you say yes here you get support for the
1494 Qualcomm PMIC8XXX RTC.
1495
1496 To compile this driver as a module, choose M here: the
1497 module will be called rtc-pm8xxx.
1498
Andrew Chewff859ba2011-03-22 16:34:55 -07001499config RTC_DRV_TEGRA
1500 tristate "NVIDIA Tegra Internal RTC driver"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -07001501 depends on ARCH_TEGRA
Andrew Chewff859ba2011-03-22 16:34:55 -07001502 help
1503 If you say yes here you get support for the
1504 Tegra 200 series internal RTC module.
1505
1506 This drive can also be built as a module. If so, the module
1507 will be called rtc-tegra.
1508
Chris Metcalfdd196a22011-05-09 13:28:43 -04001509config RTC_DRV_TILE
1510 tristate "Tilera hypervisor RTC support"
1511 depends on TILE
1512 help
1513 Enable support for the Linux driver side of the Tilera
1514 hypervisor's real-time clock interface.
1515
Guan Xuetao2809e802011-05-26 16:43:27 +08001516config RTC_DRV_PUV3
1517 tristate "PKUnity v3 RTC support"
1518 depends on ARCH_PUV3
1519 help
1520 This enables support for the RTC in the PKUnity-v3 SoCs.
1521
1522 This drive can also be built as a module. If so, the module
1523 will be called rtc-puv3.
1524
zhao zhangb4f0b882012-03-23 15:02:32 -07001525config RTC_DRV_LOONGSON1
1526 tristate "loongson1 RTC support"
Huacai Chen30ad29b2015-04-21 10:00:35 +08001527 depends on MACH_LOONGSON32
zhao zhangb4f0b882012-03-23 15:02:32 -07001528 help
1529 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1530 counter) to be used as a RTC.
1531
1532 This driver can also be built as a module. If so, the module
1533 will be called rtc-ls1x.
1534
Fabio Estevam79811592012-05-29 15:07:37 -07001535config RTC_DRV_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001536 tristate "Freescale MXC Real Time Clock"
1537 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001538 help
1539 If you say yes here you get support for the Freescale MXC
1540 RTC module.
1541
1542 This driver can also be built as a module, if so, the module
1543 will be called "rtc-mxc".
1544
Shawn Guo179a5022012-10-04 17:13:49 -07001545config RTC_DRV_SNVS
1546 tristate "Freescale SNVS RTC support"
Shawn Guo8a0fa182015-07-13 15:58:51 +08001547 select REGMAP_MMIO
Shawn Guo179a5022012-10-04 17:13:49 -07001548 depends on HAS_IOMEM
1549 depends on OF
1550 help
1551 If you say yes here you get support for the Freescale SNVS
1552 Low Power (LP) RTC module.
1553
1554 This driver can also be built as a module, if so, the module
1555 will be called "rtc-snvs".
1556
Xianglong Due88b8152013-07-03 15:08:04 -07001557config RTC_DRV_SIRFSOC
1558 tristate "SiRFSOC RTC"
1559 depends on ARCH_SIRF
1560 help
1561 Say "yes" here to support the real time clock on SiRF SOC chips.
1562 This driver can also be built as a module called rtc-sirfsoc.
1563
Lee Jonesb5b2bdf2015-04-09 15:47:33 +01001564config RTC_DRV_ST_LPC
1565 tristate "STMicroelectronics LPC RTC"
1566 depends on ARCH_STI
1567 depends on OF
1568 help
1569 Say Y here to include STMicroelectronics Low Power Controller
1570 (LPC) based RTC support.
1571
1572 To compile this driver as a module, choose M here: the
1573 module will be called rtc-st-lpc.
1574
Jonas Jensen453b4c62013-09-11 14:24:17 -07001575config RTC_DRV_MOXART
1576 tristate "MOXA ART RTC"
Jean Delvare441fb762014-08-08 14:20:05 -07001577 depends on ARCH_MOXART || COMPILE_TEST
Jonas Jensen453b4c62013-09-11 14:24:17 -07001578 help
1579 If you say yes here you get support for the MOXA ART
1580 RTC module.
1581
1582 This driver can also be built as a module. If so, the module
1583 will be called rtc-moxart
1584
Tianping Fangfc297912015-05-06 15:23:41 +08001585config RTC_DRV_MT6397
1586 tristate "Mediatek Real Time Clock driver"
1587 depends on MFD_MT6397 || COMPILE_TEST
1588 help
1589 This selects the Mediatek(R) RTC driver. RTC is part of Mediatek
1590 MT6397 PMIC. You should enable MT6397 PMIC MFD before select
1591 Mediatek(R) RTC driver.
1592
1593 If you want to use Mediatek(R) RTC interface, select Y or M here.
1594
Loc Hof12d8692014-06-06 14:35:42 -07001595config RTC_DRV_XGENE
1596 tristate "APM X-Gene RTC"
Chen Gang706b6322014-10-13 15:53:14 -07001597 depends on HAS_IOMEM
Jean Delvarefdf8afa2015-05-06 09:24:42 +02001598 depends on ARCH_XGENE || COMPILE_TEST
Loc Hof12d8692014-06-06 14:35:42 -07001599 help
1600 If you say yes here you get support for the APM X-Gene SoC real time
1601 clock.
1602
1603 This driver can also be built as a module, if so, the module
1604 will be called "rtc-xgene".
1605
Alexander Holler62e00cb2012-12-15 12:45:00 +00001606comment "HID Sensor RTC drivers"
1607
1608config RTC_DRV_HID_SENSOR_TIME
1609 tristate "HID Sensor Time"
1610 depends on USB_HID
1611 select IIO
1612 select HID_SENSOR_HUB
1613 select HID_SENSOR_IIO_COMMON
1614 help
1615 Say yes here to build support for the HID Sensors of type Time.
1616 This drivers makes such sensors available as RTCs.
1617
1618 If this driver is compiled as a module, it will be named
1619 rtc-hid-sensor-time.
1620
1621
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001622endif # RTC_CLASS