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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
Arnd Bergmannd6faca42016-06-01 16:46:23 +02008config RTC_MC146818_LIB
9 bool
10 select RTC_LIB
11
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070012menuconfig RTC_CLASS
John Stultzb4d246b2011-04-29 15:03:11 -070013 bool "Real Time Clock"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080014 default n
Al Viro33694652011-08-18 20:11:59 +010015 depends on !S390 && !UML
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080016 select RTC_LIB
17 help
18 Generic RTC class support. If you say yes here, you will
Alexandre Belloni98ab2c92015-05-09 21:21:54 +020019 be allowed to plug one or more RTCs to your system. You will
Adrian Bunk27ae4102006-06-30 18:18:41 +020020 probably want to enable one or more of the interfaces below.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080021
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070022if RTC_CLASS
23
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080024config RTC_HCTOSYS
David Brownell7ca1d482007-05-08 00:33:42 -070025 bool "Set system time from RTC on startup and resume"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080026 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"
Xunlei Pang9c5150b2015-06-12 11:10:16 +080034 depends on RTC_HCTOSYS
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080035 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
Xunlei Pang9c5150b2015-06-12 11:10:16 +080055config RTC_SYSTOHC
56 bool "Set the RTC time based on NTP synchronization"
57 default y
58 help
59 If you say yes here, the system time (wall clock) will be stored
60 in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
61 minutes if userspace reports synchronized NTP status.
62
63config RTC_SYSTOHC_DEVICE
64 string "RTC used to synchronize NTP adjustment"
65 depends on RTC_SYSTOHC
66 default RTC_HCTOSYS_DEVICE if RTC_HCTOSYS
67 default "rtc0"
68 help
69 The RTC device used for NTP synchronization. The main difference
70 between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this
71 one can sleep when setting time, because it runs in the workqueue
72 context.
73
David Brownell9e86ecb2006-09-30 23:28:14 -070074config RTC_DEBUG
75 bool "RTC debug support"
David Brownell9e86ecb2006-09-30 23:28:14 -070076 help
77 Say yes here to enable debugging support in the RTC framework
78 and individual RTC drivers.
79
Alexandre Belloni697e5a42017-07-06 11:42:02 +020080config RTC_NVMEM
81 bool "RTC non volatile storage support"
82 select NVMEM
83 default RTC_CLASS
84 help
85 Say yes here to add support for the non volatile (often battery
86 backed) storage present on RTCs.
87
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080088comment "RTC interfaces"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080089
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080090config RTC_INTF_SYSFS
Christoph Jaeger6341e622014-12-20 15:41:11 -050091 bool "/sys/class/rtc/rtcN (sysfs)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070092 depends on SYSFS
Kevin Hilman8dc08392012-10-10 15:54:06 -070093 default RTC_CLASS
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080094 help
David Brownell9e86ecb2006-09-30 23:28:14 -070095 Say yes here if you want to use your RTCs using sysfs interfaces,
96 /sys/class/rtc/rtc0 through /sys/.../rtcN.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080097
Alessandro Zummoae64d162009-01-06 14:42:17 -080098 If unsure, say Y.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080099
Alessandro Zummo728a2942006-03-27 01:16:40 -0800100config RTC_INTF_PROC
Christoph Jaeger6341e622014-12-20 15:41:11 -0500101 bool "/proc/driver/rtc (procfs for rtcN)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700102 depends on PROC_FS
Kevin Hilman8dc08392012-10-10 15:54:06 -0700103 default RTC_CLASS
Alessandro Zummo728a2942006-03-27 01:16:40 -0800104 help
Kim, Milo92589c92012-10-04 17:13:45 -0700105 Say yes here if you want to use your system clock RTC through
106 the proc interface, /proc/driver/rtc.
107 Other RTCs will not be available through that API.
108 If there is no RTC for the system clock, then the first RTC(rtc0)
109 is used by default.
Alessandro Zummo728a2942006-03-27 01:16:40 -0800110
Alessandro Zummoae64d162009-01-06 14:42:17 -0800111 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -0800112
Alessandro Zummoe8242902006-03-27 01:16:41 -0800113config RTC_INTF_DEV
Christoph Jaeger6341e622014-12-20 15:41:11 -0500114 bool "/dev/rtcN (character devices)"
Kevin Hilman8dc08392012-10-10 15:54:06 -0700115 default RTC_CLASS
Alessandro Zummoe8242902006-03-27 01:16:41 -0800116 help
David Brownell9e86ecb2006-09-30 23:28:14 -0700117 Say yes here if you want to use your RTCs using the /dev
118 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -0800119 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -0800120
Alessandro Zummoae64d162009-01-06 14:42:17 -0800121 You may want to set up a symbolic link so one of these
122 can be accessed as /dev/rtc, which is a name
123 expected by "hwclock" and some other programs. Recent
124 versions of "udev" are known to set up the symlink for you.
125
126 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -0800127
John Stultz6e57b1d2011-02-11 17:45:40 -0800128config RTC_INTF_DEV_UIE_EMUL
129 bool "RTC UIE emulation on dev interface"
130 depends on RTC_INTF_DEV
131 help
132 Provides an emulation for RTC_UIE if the underlying rtc chip
133 driver does not expose RTC_UIE ioctls. Those requests generate
134 once-per-second update interrupts, used for synchronization.
135
136 The emulation code will read the time from the hardware
137 clock several times per second, please enable this option
138 only if you know that you really need it.
139
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700140config RTC_DRV_TEST
141 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700142 help
143 If you say yes here you get support for the
144 RTC test driver. It's a software RTC which can be
145 used to test the RTC subsystem APIs. It gets
146 the time from the system clock.
147 You want this driver only if you are doing development
148 on the RTC subsystem. Please read the source code
149 for further details.
150
151 This driver can also be built as a module. If so, the module
152 will be called rtc-test.
153
154comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700155
156if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700157
Haojian Zhuang008b3042011-05-06 17:21:20 +0800158config RTC_DRV_88PM860X
159 tristate "Marvell 88PM860x"
Alexandre Belloni37830552015-06-08 19:27:37 +0200160 depends on MFD_88PM860X
Haojian Zhuang008b3042011-05-06 17:21:20 +0800161 help
162 If you say yes here you get support for RTC function in Marvell
163 88PM860x chips.
164
165 This driver can also be built as a module. If so, the module
166 will be called rtc-88pm860x.
167
Qiao Zhou2985c292012-07-09 14:37:34 +0800168config RTC_DRV_88PM80X
169 tristate "Marvell 88PM80x"
Alexandre Belloni37830552015-06-08 19:27:37 +0200170 depends on MFD_88PM800
Qiao Zhou2985c292012-07-09 14:37:34 +0800171 help
172 If you say yes here you get support for RTC function in Marvell
173 88PM80x chips.
174
175 This driver can also be built as a module. If so, the module
176 will be called rtc-88pm80x.
177
Arnaud Ebalard0b2f6222015-02-13 14:41:00 -0800178config RTC_DRV_ABB5ZES3
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200179 select REGMAP_I2C
180 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
181 help
Arnaud Ebalard0b2f6222015-02-13 14:41:00 -0800182 If you say yes here you get support for the Abracon
183 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
184
185 This driver can also be built as a module. If so, the module
186 will be called rtc-ab-b5ze-s3.
187
Philippe De Muyter4d61ff62015-05-05 16:23:44 -0700188config RTC_DRV_ABX80X
189 tristate "Abracon ABx80x"
Jeremy Gebben749e36d2018-09-11 11:28:26 -0600190 select WATCHDOG_CORE if WATCHDOG
Philippe De Muyter4d61ff62015-05-05 16:23:44 -0700191 help
192 If you say yes here you get support for Abracon AB080X and AB180X
193 families of ultra-low-power battery- and capacitor-backed real-time
194 clock chips.
195
196 This driver can also be built as a module. If so, the module
197 will be called rtc-abx80x.
198
Chen-Yu Tsaid00a18a2016-07-08 22:33:38 +0800199config RTC_DRV_AC100
200 tristate "X-Powers AC100"
201 depends on MFD_AC100
202 help
203 If you say yes here you get support for the real-time clock found
204 in X-Powers AC100 family peripheral ICs.
205
206 This driver can also be built as a module. If so, the module
207 will be called rtc-ac100.
208
Brian Norrisc4f07ec2017-06-26 14:15:03 -0700209config RTC_DRV_BRCMSTB
210 tristate "Broadcom STB wake-timer"
211 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
212 default ARCH_BRCMSTB || BMIPS_GENERIC
213 help
214 If you say yes here you get support for the wake-timer found on
215 Broadcom STB SoCs (BCM7xxx).
216
217 This driver can also be built as a module. If so, the module will
218 be called rtc-brcmstb-waketimer.
219
Laxman Dewanganb4506262013-11-12 15:11:05 -0800220config RTC_DRV_AS3722
221 tristate "ams AS3722 RTC driver"
222 depends on MFD_AS3722
223 help
224 If you say yes here you get support for the RTC of ams AS3722 PMIC
225 chips.
226
227 This driver can also be built as a module. If so, the module
228 will be called rtc-as3722.
229
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700230config RTC_DRV_DS1307
Nikita Yushchenko0759c882017-08-24 09:32:11 +0300231 tristate "Dallas/Maxim DS1307/37/38/39/40/41, ST M41T00, EPSON RX-8025, ISL12057"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700232 help
233 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800234 chips (often with battery backup) connected with I2C. This driver
Nikita Yushchenko0759c882017-08-24 09:32:11 +0300235 should handle DS1307, DS1337, DS1338, DS1339, DS1340, DS1341,
236 ST M41T00, EPSON RX-8025, Intersil ISL12057 and probably other chips.
237 In some cases the RTC must already have been initialized (by
238 manufacturing or a bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700239
240 The first seven registers on these chips hold an RTC, and other
241 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800242 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800243 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700244
245 This driver can also be built as a module. If so, the module
246 will be called rtc-ds1307.
247
Alexandre Belloni50d6c0e2016-07-13 02:26:08 +0200248config RTC_DRV_DS1307_CENTURY
249 bool "Century bit support for rtc-ds1307"
250 depends on RTC_DRV_DS1307
251 default n
252 help
253 The DS1307 driver suffered from a bug where it was enabling the
254 century bit inconditionnally but never used it when reading the time.
255 It made the driver unable to support dates beyond 2099.
256 Setting this option will add proper support for the century bit but if
257 the time was previously set using a kernel predating this option,
258 reading the date will return a date in the next century.
259 To solve that, you could boot a kernel without this option set, set
260 the RTC date and then boot a kernel with this option set.
261
Scott Woodbf4994d2007-10-16 01:28:19 -0700262config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800263 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700264 help
265 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800266 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700267 with the device, the alarm functionality is supported.
268
Alessandro Zummoae64d162009-01-06 14:42:17 -0800269 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700270 will be called rtc-ds1374.
271
Søren Andersen920f91e2014-12-10 15:53:54 -0800272config RTC_DRV_DS1374_WDT
273 bool "Dallas/Maxim DS1374 watchdog timer"
274 depends on RTC_DRV_DS1374
275 help
276 If you say Y here you will get support for the
277 watchdog timer in the Dallas Semiconductor DS1374
278 real-time clock chips.
279
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700280config RTC_DRV_DS1672
281 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700282 help
283 If you say yes here you get support for the
284 Dallas/Maxim DS1672 timekeeping chip.
285
286 This driver can also be built as a module. If so, the module
287 will be called rtc-ds1672.
288
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800289config RTC_DRV_HYM8563
290 tristate "Haoyu Microelectronics HYM8563"
Alexandre Belloni37830552015-06-08 19:27:37 +0200291 depends on OF
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800292 help
293 Say Y to enable support for the HYM8563 I2C RTC chip. Apart
294 from the usual rtc functions it provides a clock output of
295 up to 32kHz.
296
297 This driver can also be built as a module. If so, the module
298 will be called rtc-hym8563.
299
Kim, Milo38ae1762013-02-21 16:44:32 -0800300config RTC_DRV_LP8788
301 tristate "TI LP8788 RTC driver"
302 depends on MFD_LP8788
303 help
304 Say Y to enable support for the LP8788 RTC/ALARM driver.
305
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700306config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800307 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700308 help
309 If you say yes here you will get support for the
310 Maxim MAX6900 I2C RTC chip.
311
312 This driver can also be built as a module. If so, the module
313 will be called rtc-max6900.
314
Stephen Warren94c01ab2012-10-04 17:13:56 -0700315config RTC_DRV_MAX8907
316 tristate "Maxim MAX8907"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200317 depends on MFD_MAX8907 || COMPILE_TEST
Stephen Warren94c01ab2012-10-04 17:13:56 -0700318 help
319 If you say yes here you will get support for the
320 RTC of Maxim MAX8907 PMIC.
321
322 This driver can also be built as a module. If so, the module
323 will be called rtc-max8907.
324
Haojian Zhuanga39069f62010-01-25 06:30:29 -0500325config RTC_DRV_MAX8925
326 tristate "Maxim MAX8925"
327 depends on MFD_MAX8925
328 help
329 If you say yes here you will get support for the
330 RTC of Maxim MAX8925 PMIC.
331
332 This driver can also be built as a module. If so, the module
333 will be called rtc-max8925.
334
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900335config RTC_DRV_MAX8998
336 tristate "Maxim MAX8998"
337 depends on MFD_MAX8998
338 help
339 If you say yes here you will get support for the
340 RTC of Maxim MAX8998 PMIC.
341
342 This driver can also be built as a module. If so, the module
343 will be called rtc-max8998.
344
Jonghwa Lee5e0b2702013-02-21 16:45:07 -0800345config RTC_DRV_MAX8997
346 tristate "Maxim MAX8997"
347 depends on MFD_MAX8997
348 help
349 If you say yes here you will get support for the
350 RTC of Maxim MAX8997 PMIC.
351
352 This driver can also be built as a module. If so, the module
353 will be called rtc-max8997.
354
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800355config RTC_DRV_MAX77686
356 tristate "Maxim MAX77686"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200357 depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800358 help
359 If you say yes here you will get support for the
Laxman Dewangan726fe732016-03-02 14:06:24 +0530360 RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC.
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800361
362 This driver can also be built as a module. If so, the module
363 will be called rtc-max77686.
364
Chris Zhong3ca1e322014-10-13 15:52:42 -0700365config RTC_DRV_RK808
Elaine Zhang79c676c2017-08-16 10:00:35 +0800366 tristate "Rockchip RK805/RK808/RK818 RTC"
Chris Zhong3ca1e322014-10-13 15:52:42 -0700367 depends on MFD_RK808
368 help
369 If you say yes here you will get support for the
Elaine Zhang79c676c2017-08-16 10:00:35 +0800370 RTC of RK805, RK808 and RK818 PMIC.
Chris Zhong3ca1e322014-10-13 15:52:42 -0700371
372 This driver can also be built as a module. If so, the module
373 will be called rk808-rtc.
374
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700375config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900376 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700377 help
378 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900379 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700380
381 This driver can also be built as a module. If so, the module
382 will be called rtc-rs5c372.
383
384config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800385 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700386 help
387 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800388 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700389
390 This driver can also be built as a module. If so, the module
391 will be called rtc-isl1208.
392
Roman Fietzed6c74282010-08-10 18:02:14 -0700393config RTC_DRV_ISL12022
394 tristate "Intersil ISL12022"
395 help
396 If you say yes here you get support for the
397 Intersil ISL12022 RTC chip.
398
399 This driver can also be built as a module. If so, the module
400 will be called rtc-isl12022.
401
David Daney4731a432018-02-22 12:04:32 -0800402config RTC_DRV_ISL12026
403 tristate "Intersil ISL12026"
404 depends on OF || COMPILE_TEST
405 help
406 If you say yes here you get support for the
407 Intersil ISL12026 RTC chip.
408
409 This driver can also be built as a module. If so, the module
410 will be called rtc-isl12026.
411
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700412config RTC_DRV_X1205
413 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700414 help
415 If you say yes here you get support for the
416 Xicor/Intersil X1205 RTC chip.
417
418 This driver can also be built as a module. If so, the module
419 will be called rtc-x1205.
420
Thierry Redingf803f0d2012-12-17 16:02:44 -0800421config RTC_DRV_PCF8523
422 tristate "NXP PCF8523"
423 help
424 If you say yes here you get support for the NXP PCF8523 RTC
425 chips.
426
427 This driver can also be built as a module. If so, the module
428 will be called rtc-pcf8523.
429
Soren Brinkmannd0848852015-11-03 23:13:46 -0800430config RTC_DRV_PCF85063
431 tristate "NXP PCF85063"
432 help
433 If you say yes here you get support for the PCF85063 RTC chip
434
435 This driver can also be built as a module. If so, the module
436 will be called rtc-pcf85063.
437
Eric Nelsona9687aa2017-11-01 08:01:20 -0700438config RTC_DRV_PCF85363
439 tristate "NXP PCF85363"
440 depends on I2C
441 select REGMAP_I2C
442 help
443 If you say yes here you get support for the PCF85363 RTC chip.
444
445 This driver can also be built as a module. If so, the module
446 will be called rtc-pcf85363.
447
448 The nvmem interface will be named pcf85363-#, where # is the
449 zero-based instance number.
450
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700451config RTC_DRV_PCF8563
452 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700453 help
454 If you say yes here you get support for the
455 Philips PCF8563 RTC chip. The Epson RTC8564
456 should work as well.
457
458 This driver can also be built as a module. If so, the module
459 will be called rtc-pcf8563.
460
461config RTC_DRV_PCF8583
462 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700463 help
464 If you say yes here you get support for the Philips PCF8583
465 RTC chip found on Acorn RiscPCs. This driver supports the
466 platform specific method of retrieving the current year from
467 the RTC's SRAM. It will work on other platforms with the same
468 chip, but the year will probably have to be tweaked.
469
470 This driver can also be built as a module. If so, the module
471 will be called rtc-pcf8583.
472
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700473config RTC_DRV_M41T80
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700474 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700475 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700476 If you say Y here you will get support for the ST M41T60
477 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700478 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700479 M41ST85, M41ST87, and MicroCrystal RV4162.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700480
481 This driver can also be built as a module. If so, the module
482 will be called rtc-m41t80.
483
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700484config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700485 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700486 depends on RTC_DRV_M41T80
487 help
488 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700489 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700490
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800491config RTC_DRV_BQ32K
492 tristate "TI BQ32000"
493 help
494 If you say Y here you will get support for the TI
495 BQ32000 I2C RTC chip.
496
497 This driver can also be built as a module. If so, the module
498 will be called rtc-bq32k.
499
David Brownellafd8d0f2009-02-04 15:12:01 -0800500config RTC_DRV_DM355EVM
501 tristate "TI DaVinci DM355 EVM RTC"
502 depends on MFD_DM355EVM_MSP
503 help
504 Supports the RTC firmware in the MSP430 on the DM355 EVM.
505
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700506config RTC_DRV_TWL92330
Christoph Jaeger6341e622014-12-20 15:41:11 -0500507 bool "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700508 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700509 help
510 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200511 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800512 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700513 the Menelaus driver; it's not separate module.
514
David Brownellf96411a2008-10-20 23:50:05 +0200515config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100516 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700517 depends on TWL4030_CORE
Nicolae Rosia1c02cbfe2016-11-23 10:55:57 +0200518 depends on OF
David Brownellf96411a2008-10-20 23:50:05 +0200519 help
520 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100521 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200522
523 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100524 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200525
Soren Brinkmannd0848852015-11-03 23:13:46 -0800526config RTC_DRV_PALMAS
527 tristate "TI Palmas RTC driver"
528 depends on MFD_PALMAS
529 help
530 If you say yes here you get support for the RTC of TI PALMA series PMIC
531 chips.
532
533 This driver can also be built as a module. If so, the module
534 will be called rtc-palma.
535
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800536config RTC_DRV_TPS6586X
537 tristate "TI TPS6586X RTC driver"
538 depends on MFD_TPS6586X
539 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900540 TI Power Management IC TPS6586X supports RTC functionality
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800541 along with alarm. This driver supports the RTC driver for
542 the TPS6586X RTC module.
543
Venu Byravarasu0e783982012-10-04 17:13:55 -0700544config RTC_DRV_TPS65910
545 tristate "TI TPS65910 RTC driver"
546 depends on RTC_CLASS && MFD_TPS65910
547 help
548 If you say yes here you get support for the RTC on the
549 TPS65910 chips.
550
551 This driver can also be built as a module. If so, the module
552 will be called rtc-tps65910.
553
Laxman Dewangan36d61822013-02-21 16:44:34 -0800554config RTC_DRV_TPS80031
555 tristate "TI TPS80031/TPS80032 RTC driver"
556 depends on MFD_TPS80031
557 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900558 TI Power Management IC TPS80031 supports RTC functionality
Laxman Dewangan36d61822013-02-21 16:44:34 -0800559 along with alarm. This driver supports the RTC driver for
560 the TPS80031 RTC module.
561
Venu Byravarasu90829c02012-10-04 17:14:04 -0700562config RTC_DRV_RC5T583
563 tristate "RICOH 5T583 RTC driver"
564 depends on MFD_RC5T583
565 help
566 If you say yes here you get support for the RTC on the
567 RICOH 5T583 chips.
568
569 This driver can also be built as a module. If so, the module
570 will be called rtc-rc5t583.
571
Byron Bradleyc46288b2008-03-04 14:28:25 -0800572config RTC_DRV_S35390A
573 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700574 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800575 help
576 If you say yes here you will get support for the Seiko
577 Instruments S-35390A.
578
579 This driver can also be built as a module. If so the module
580 will be called rtc-s35390a.
581
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700582config RTC_DRV_FM3130
583 tristate "Ramtron FM3130"
584 help
585 If you say Y here you will get support for the
586 Ramtron FM3130 RTC chips.
587 Ramtron FM3130 is a chip with two separate devices inside,
588 RTC clock and FRAM. This driver provides only RTC functionality.
589
590 This driver can also be built as a module. If so the module
591 will be called rtc-fm3130.
592
Akshay Bhated13d892015-12-03 14:41:21 -0500593config RTC_DRV_RX8010
594 tristate "Epson RX8010SJ"
595 depends on I2C
596 help
597 If you say yes here you get support for the Epson RX8010SJ RTC
598 chip.
599
600 This driver can also be built as a module. If so, the module
601 will be called rtc-rx8010.
602
Martyn Welcha7fa9852008-11-12 13:27:06 -0800603config RTC_DRV_RX8581
604 tristate "Epson RX-8581"
605 help
606 If you say yes here you will get support for the Epson RX-8581.
607
608 This driver can also be built as a module. If so the module
609 will be called rtc-rx8581.
610
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700611config RTC_DRV_RX8025
612 tristate "Epson RX-8025SA/NB"
613 help
614 If you say yes here you get support for the Epson
615 RX-8025SA/NB RTC chips.
616
617 This driver can also be built as a module. If so, the module
618 will be called rtc-rx8025.
619
Mike Rapoportae3551f2011-05-26 16:25:04 -0700620config RTC_DRV_EM3027
621 tristate "EM Microelectronic EM3027"
622 help
623 If you say yes here you get support for the EM
624 Microelectronic EM3027 RTC chips.
625
626 This driver can also be built as a module. If so, the module
627 will be called rtc-em3027.
628
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100629config RTC_DRV_RV8803
Benoît Thébaudeau34166a02016-07-21 12:41:27 +0200630 tristate "Micro Crystal RV8803, Epson RX8900"
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100631 help
Benoît Thébaudeau34166a02016-07-21 12:41:27 +0200632 If you say yes here you get support for the Micro Crystal RV8803 and
633 Epson RX8900 RTC chips.
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100634
635 This driver can also be built as a module. If so, the module
636 will be called rtc-rv8803.
637
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800638config RTC_DRV_S5M
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700639 tristate "Samsung S2M/S5M series"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200640 depends on MFD_SEC_CORE || COMPILE_TEST
641 select REGMAP_IRQ
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800642 help
643 If you say yes here you will get support for the
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700644 RTC of Samsung S2MPS14 and S5M PMIC series.
Sangbeom Kim5bccae62013-11-12 15:11:04 -0800645
646 This driver can also be built as a module. If so, the module
647 will be called rtc-s5m.
648
Dianlong Li1d67a232018-12-13 18:13:50 +0800649config RTC_DRV_SD3078
650 tristate "ZXW Crystal SD3078"
651 help
652 If you say yes here you get support for the ZXW Crystal
653 SD3078 RTC chips.
654
655 This driver can also be built as a module. If so, the module
656 will be called rtc-sd3078
657
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700658endif # I2C
659
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700660comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700661
662if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700663
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700664config RTC_DRV_M41T93
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200665 tristate "ST M41T93"
666 help
667 If you say yes here you will get support for the
668 ST M41T93 SPI RTC chip.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700669
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200670 This driver can also be built as a module. If so, the module
671 will be called rtc-m41t93.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700672
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700673config RTC_DRV_M41T94
674 tristate "ST M41T94"
675 help
676 If you say yes here you will get support for the
677 ST M41T94 SPI RTC chip.
678
679 This driver can also be built as a module. If so, the module
680 will be called rtc-m41t94.
681
Sergey Yanovichd25a5ed2016-02-23 13:54:57 +0300682config RTC_DRV_DS1302
683 tristate "Dallas/Maxim DS1302"
684 depends on SPI
685 help
686 If you say yes here you get support for the Dallas DS1302 RTC chips.
687
688 This driver can also be built as a module. If so, the module
689 will be called rtc-ds1302.
690
David Brownell53e84b62008-07-23 21:30:36 -0700691config RTC_DRV_DS1305
692 tristate "Dallas/Maxim DS1305/DS1306"
693 help
694 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800695 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700696 charger, alarms, and NVRAM in addition to the clock.
697
698 This driver can also be built as a module. If so, the module
699 will be called rtc-ds1305.
700
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700701config RTC_DRV_DS1343
Raghavendra Ganiga0dd449b2014-06-06 14:36:00 -0700702 select REGMAP_SPI
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700703 tristate "Dallas/Maxim DS1343/DS1344"
704 help
705 If you say yes here you get support for the
706 Dallas/Maxim DS1343 and DS1344 real time clock chips.
707 Support for trickle charger, alarm is provided.
708
709 This driver can also be built as a module. If so, the module
710 will be called rtc-ds1343.
711
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700712config RTC_DRV_DS1347
Raghavendra Ganigaee85bb52016-08-31 22:56:41 +0530713 select REGMAP_SPI
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700714 tristate "Dallas/Maxim DS1347"
715 help
716 If you say yes here you get support for the
717 Dallas/Maxim DS1347 chips.
718
719 This driver only supports the RTC feature, and not other chip
720 features such as alarms.
721
722 This driver can also be built as a module. If so, the module
723 will be called rtc-ds1347.
724
Mark Jackson06de1802008-11-12 13:27:07 -0800725config RTC_DRV_DS1390
726 tristate "Dallas/Maxim DS1390/93/94"
727 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800728 If you say yes here you get support for the
729 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800730
Ivan Grimaldifa395fb2015-09-18 17:27:57 +0200731 This driver supports the RTC feature and trickle charging but not
732 other chip features such as alarms.
Mark Jackson06de1802008-11-12 13:27:07 -0800733
734 This driver can also be built as a module. If so, the module
735 will be called rtc-ds1390.
736
Venkat Prashanth B U06776c82016-06-01 11:59:54 +0530737config RTC_DRV_MAX6916
738 tristate "Maxim MAX6916"
739 help
740 If you say yes here you will get support for the
741 Maxim MAX6916 SPI RTC chip.
742
743 This driver only supports the RTC feature, and not other chip
744 features such as alarms.
745
746 This driver can also be built as a module. If so, the module
747 will be called rtc-max6916.
748
Magnus Damm2805b962008-02-06 01:38:53 -0800749config RTC_DRV_R9701
750 tristate "Epson RTC-9701JE"
751 help
752 If you say yes here you will get support for the
753 Epson RTC-9701JE SPI RTC chip.
754
755 This driver can also be built as a module. If so, the module
756 will be called rtc-r9701.
757
Soren Brinkmannd0848852015-11-03 23:13:46 -0800758config RTC_DRV_RX4581
759 tristate "Epson RX-4581"
760 help
761 If you say yes here you will get support for the Epson RX-4581.
762
763 This driver can also be built as a module. If so the module
764 will be called rtc-rx4581.
765
766config RTC_DRV_RX6110
767 tristate "Epson RX-6110"
768 select REGMAP_SPI
769 help
770 If you say yes here you will get support for the Epson RX-6610.
771
772 This driver can also be built as a module. If so the module
773 will be called rtc-rx6110.
774
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700775config RTC_DRV_RS5C348
776 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700777 help
778 If you say yes here you get support for the
779 Ricoh RS5C348A and RS5C348B RTC chips.
780
781 This driver can also be built as a module. If so, the module
782 will be called rtc-rs5c348.
783
Soren Brinkmannd0848852015-11-03 23:13:46 -0800784config RTC_DRV_MAX6902
785 tristate "Maxim MAX6902"
786 help
787 If you say yes here you will get support for the
788 Maxim MAX6902 SPI RTC chip.
789
790 This driver can also be built as a module. If so, the module
791 will be called rtc-max6902.
792
Chris Verges7f3923a2009-09-22 16:46:20 -0700793config RTC_DRV_PCF2123
794 tristate "NXP PCF2123"
795 help
796 If you say yes here you get support for the NXP PCF2123
797 RTC chip.
798
799 This driver can also be built as a module. If so, the module
800 will be called rtc-pcf2123.
801
Josef Gajdusek1fcbe422014-06-06 14:36:02 -0700802config RTC_DRV_MCP795
803 tristate "Microchip MCP795"
804 help
805 If you say yes here you will get support for the Microchip MCP795.
806
807 This driver can also be built as a module. If so the module
808 will be called rtc-mcp795.
809
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700810endif # SPI_MASTER
811
Akinobu Mita080481f52016-03-07 00:27:48 +0900812#
813# Helper to resolve issues with configs that have SPI enabled but I2C
814# modular. See SND_SOC_I2C_AND_SPI for more information
815#
816config RTC_I2C_AND_SPI
817 tristate
818 default m if I2C=m
819 default y if I2C=y
820 default y if SPI_MASTER=y
821 select REGMAP_I2C if I2C
822 select REGMAP_SPI if SPI_MASTER
823
824comment "SPI and I2C RTC drivers"
825
826config RTC_DRV_DS3232
827 tristate "Dallas/Maxim DS3232/DS3234"
828 depends on RTC_I2C_AND_SPI
829 help
830 If you say yes here you get support for Dallas Semiconductor
831 DS3232 and DS3234 real-time clock chips. If an interrupt is associated
832 with the device, the alarm functionality is supported.
833
834 This driver can also be built as a module. If so, the module
835 will be called rtc-ds3232.
836
Kirill Esipovc35c4192017-06-28 14:29:09 +0300837config RTC_DRV_DS3232_HWMON
838 bool "HWMON support for Dallas/Maxim DS3232/DS3234"
839 depends on RTC_DRV_DS3232 && HWMON && !(RTC_DRV_DS3232=y && HWMON=m)
840 default y
841 help
842 Say Y here if you want to expose temperature sensor data on
843 rtc-ds3232
844
Akinobu Mita9408ec12016-03-14 23:45:00 +0900845config RTC_DRV_PCF2127
846 tristate "NXP PCF2127"
847 depends on RTC_I2C_AND_SPI
848 help
849 If you say yes here you get support for the NXP PCF2127/29 RTC
850 chips.
851
852 This driver can also be built as a module. If so, the module
853 will be called rtc-pcf2127.
854
Mylène Josserandc2a1c142016-05-03 11:54:34 +0200855config RTC_DRV_RV3029C2
856 tristate "Micro Crystal RV3029/3049"
857 depends on RTC_I2C_AND_SPI
858 help
859 If you say yes here you get support for the Micro Crystal
860 RV3029 and RV3049 RTC chips.
861
862 This driver can also be built as a module. If so, the module
863 will be called rtc-rv3029c2.
864
865config RTC_DRV_RV3029_HWMON
866 bool "HWMON support for RV3029/3049"
867 depends on RTC_DRV_RV3029C2 && HWMON
868 depends on !(RTC_DRV_RV3029C2=y && HWMON=m)
869 default y
870 help
871 Say Y here if you want to expose temperature sensor data on
872 rtc-rv3029.
873
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700874comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800875
Christoph Hellwig290cd0f2016-10-12 15:30:53 +0200876# this 'CMOS' RTC driver is arch dependent because it requires
877# <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
David Brownell7be2c7c2007-02-10 01:46:02 -0800878# global rtc_lock ... it's not yet just another platform_device.
879
880config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700881 tristate "PC-style 'CMOS'"
Arnd Bergmanna687a532018-03-07 23:30:54 +0100882 depends on X86 || ARM || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700883 default y if X86
Arnd Bergmannd6faca42016-06-01 16:46:23 +0200884 select RTC_MC146818_LIB
David Brownell7be2c7c2007-02-10 01:46:02 -0800885 help
886 Say "yes" here to get direct support for the real time clock
887 found in every PC or ACPI-based system, and some other boards.
888 Specifically the original MC146818, compatibles like those in
889 PC south bridges, the DS12887 or M48T86, some multifunction
890 or LPC bus chips, and so on.
891
892 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800893 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800894 you can safely enable this driver if you don't know whether
895 or not your board has this kind of hardware.
896
897 This driver can also be built as a module. If so, the module
898 will be called rtc-cmos.
899
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700900config RTC_DRV_ALPHA
901 bool "Alpha PC-style CMOS"
902 depends on ALPHA
Arnd Bergmannd6faca42016-06-01 16:46:23 +0200903 select RTC_MC146818_LIB
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700904 default y
905 help
906 Direct support for the real-time clock found on every Alpha
907 system, specifically MC146818 compatibles. If in doubt, say Y.
908
Feng Tang0146f262010-11-10 17:29:17 +0000909config RTC_DRV_VRTC
Alan Cox933b9462011-12-17 17:43:40 +0000910 tristate "Virtual RTC for Intel MID platforms"
911 depends on X86_INTEL_MID
912 default y if X86_INTEL_MID
Feng Tang0146f262010-11-10 17:29:17 +0000913
914 help
915 Say "yes" here to get direct support for the real time clock
916 found on Moorestown platforms. The VRTC is a emulated RTC that
917 derives its clock source from a real RTC in the PMIC. The MC146818
918 style programming interface is mostly conserved, but any
919 updates are done via IPC calls to the system controller FW.
920
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700921config RTC_DRV_DS1216
922 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700923 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700924 help
925 If you say yes here you get support for the Dallas DS1216 RTC chips.
926
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200927config RTC_DRV_DS1286
928 tristate "Dallas DS1286"
Chen Gang706b6322014-10-13 15:53:14 -0700929 depends on HAS_IOMEM
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200930 help
931 If you say yes here you get support for the Dallas DS1286 RTC chips.
932
Andrew Sharp8f267952008-02-06 01:38:46 -0800933config RTC_DRV_DS1511
934 tristate "Dallas DS1511"
Chen Gang706b6322014-10-13 15:53:14 -0700935 depends on HAS_IOMEM
Andrew Sharp8f267952008-02-06 01:38:46 -0800936 help
937 If you say yes here you get support for the
938 Dallas DS1511 timekeeping/watchdog chip.
939
940 This driver can also be built as a module. If so, the module
941 will be called rtc-ds1511.
942
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700943config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800944 tristate "Maxim/Dallas DS1553"
Chen Gang706b6322014-10-13 15:53:14 -0700945 depends on HAS_IOMEM
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700946 help
947 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800948 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700949
950 This driver can also be built as a module. If so, the module
951 will be called rtc-ds1553.
952
Joshua Kinardaaaf5fb2015-02-16 16:00:26 -0800953config RTC_DRV_DS1685_FAMILY
954 tristate "Dallas/Maxim DS1685 Family"
955 help
956 If you say yes here you get support for the Dallas/Maxim DS1685
957 family of real time chips. This family includes the DS1685/DS1687,
958 DS1689/DS1693, DS17285/DS17287, DS17485/DS17487, and
959 DS17885/DS17887 chips.
960
961 This driver can also be built as a module. If so, the module
962 will be called rtc-ds1685.
963
964choice
965 prompt "Subtype"
966 depends on RTC_DRV_DS1685_FAMILY
967 default RTC_DRV_DS1685
968
969config RTC_DRV_DS1685
970 bool "DS1685/DS1687"
971 help
972 This enables support for the Dallas/Maxim DS1685/DS1687 real time
973 clock chip.
974
975 This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30)
976 systems, as well as EPPC-405-UC modules by electronic system design
977 GmbH.
978
979config RTC_DRV_DS1689
980 bool "DS1689/DS1693"
981 help
982 This enables support for the Dallas/Maxim DS1689/DS1693 real time
983 clock chip.
984
985 This is an older RTC chip, supplanted by the DS1685/DS1687 above,
986 which supports a few minor features such as Vcc, Vbat, and Power
987 Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
988
989 It also works for the even older DS1688/DS1691 RTC chips, which are
990 virtually the same and carry the same model number. Both chips
991 have 114 bytes of user NVRAM.
992
993config RTC_DRV_DS17285
994 bool "DS17285/DS17287"
995 help
996 This enables support for the Dallas/Maxim DS17285/DS17287 real time
997 clock chip.
998
999 This chip features 2kb of extended NV-SRAM. It may possibly be
1000 found in some SGI O2 systems (rare).
1001
1002config RTC_DRV_DS17485
1003 bool "DS17485/DS17487"
1004 help
1005 This enables support for the Dallas/Maxim DS17485/DS17487 real time
1006 clock chip.
1007
1008 This chip features 4kb of extended NV-SRAM.
1009
1010config RTC_DRV_DS17885
1011 bool "DS17885/DS17887"
1012 help
1013 This enables support for the Dallas/Maxim DS17885/DS17887 real time
1014 clock chip.
1015
1016 This chip features 8kb of extended NV-SRAM.
1017
1018endchoice
1019
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -08001020config RTC_DRV_DS1742
1021 tristate "Maxim/Dallas DS1742/1743"
Chen Gang706b6322014-10-13 15:53:14 -07001022 depends on HAS_IOMEM
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -08001023 help
1024 If you say yes here you get support for the
1025 Maxim/Dallas DS1742/1743 timekeeping chip.
1026
1027 This driver can also be built as a module. If so, the module
1028 will be called rtc-ds1742.
1029
Jean Delvaread0200f2014-08-08 14:20:03 -07001030config RTC_DRV_DS2404
1031 tristate "Maxim/Dallas DS2404"
1032 help
1033 If you say yes here you get support for the
1034 Dallas DS2404 RTC chip.
1035
1036 This driver can also be built as a module. If so, the module
1037 will be called rtc-ds2404.
1038
Ashish Jangamfef931f2012-03-23 15:02:36 -07001039config RTC_DRV_DA9052
1040 tristate "Dialog DA9052/DA9053 RTC"
1041 depends on PMIC_DA9052
1042 help
1043 Say y here to support the RTC driver for Dialog Semiconductor
1044 DA9052-BC and DA9053-AA/Bx PMICs.
1045
Ashish Jangam6920d992012-12-17 16:02:53 -08001046config RTC_DRV_DA9055
1047 tristate "Dialog Semiconductor DA9055 RTC"
1048 depends on MFD_DA9055
1049 help
1050 If you say yes here you will get support for the
1051 RTC of the Dialog DA9055 PMIC.
1052
1053 This driver can also be built as a module. If so, the module
1054 will be called rtc-da9055
1055
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001056config RTC_DRV_DA9063
S Twiss80ca3272015-07-21 11:29:07 +01001057 tristate "Dialog Semiconductor DA9063/DA9062 RTC"
1058 depends on MFD_DA9063 || MFD_DA9062
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001059 help
1060 If you say yes here you will get support for the RTC subsystem
S Twiss80ca3272015-07-21 11:29:07 +01001061 for the Dialog Semiconductor PMIC chips DA9063 and DA9062.
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001062
1063 This driver can also be built as a module. If so, the module
1064 will be called "rtc-da9063".
1065
dann frazier5e3fd9e2009-03-31 15:24:48 -07001066config RTC_DRV_EFI
1067 tristate "EFI RTC"
Matt Fleming7efe6652014-10-03 13:06:33 +01001068 depends on EFI && !X86
dann frazier5e3fd9e2009-03-31 15:24:48 -07001069 help
1070 If you say yes here you will get support for the EFI
1071 Real Time Clock.
1072
1073 This driver can also be built as a module. If so, the module
1074 will be called rtc-efi.
1075
Thomas Hommel02964112007-07-21 04:37:58 -07001076config RTC_DRV_STK17TA8
1077 tristate "Simtek STK17TA8"
Chen Gang706b6322014-10-13 15:53:14 -07001078 depends on HAS_IOMEM
Thomas Hommel02964112007-07-21 04:37:58 -07001079 help
1080 If you say yes here you get support for the
1081 Simtek STK17TA8 timekeeping chip.
1082
1083 This driver can also be built as a module. If so, the module
1084 will be called rtc-stk17ta8.
1085
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001086config RTC_DRV_M48T86
1087 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001088 help
1089 If you say Y here you will get support for the
1090 ST M48T86 and Dallas DS12887 RTC chips.
1091
1092 This driver can also be built as a module. If so, the module
1093 will be called rtc-m48t86.
1094
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +02001095config RTC_DRV_M48T35
1096 tristate "ST M48T35"
Chen Gang706b6322014-10-13 15:53:14 -07001097 depends on HAS_IOMEM
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +02001098 help
1099 If you say Y here you will get support for the
1100 ST M48T35 RTC chip.
1101
1102 This driver can also be built as a module, if so, the module
1103 will be called "rtc-m48t35".
1104
Mark Zhan2e774c72007-07-17 04:05:05 -07001105config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -07001106 tristate "ST M48T59/M48T08/M48T02"
Chen Gang706b6322014-10-13 15:53:14 -07001107 depends on HAS_IOMEM
Mark Zhan2e774c72007-07-17 04:05:05 -07001108 help
1109 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -07001110 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
1111
1112 These chips are usually found in Sun SPARC and UltraSPARC
1113 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -07001114
1115 This driver can also be built as a module, if so, the module
1116 will be called "rtc-m48t59".
1117
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001118config RTC_DRV_MSM6242
1119 tristate "Oki MSM6242"
Chen Gang706b6322014-10-13 15:53:14 -07001120 depends on HAS_IOMEM
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001121 help
1122 If you say yes here you get support for the Oki MSM6242
1123 timekeeping chip. It is used in some Amiga models (e.g. A2000).
1124
1125 This driver can also be built as a module. If so, the module
1126 will be called rtc-msm6242.
1127
David S. Millercca4c232008-08-29 01:29:53 -07001128config RTC_DRV_BQ4802
1129 tristate "TI BQ4802"
Chen Gang706b6322014-10-13 15:53:14 -07001130 depends on HAS_IOMEM
David S. Millercca4c232008-08-29 01:29:53 -07001131 help
1132 If you say Y here you will get support for the TI
1133 BQ4802 RTC chip.
1134
1135 This driver can also be built as a module. If so, the module
1136 will be called rtc-bq4802.
1137
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001138config RTC_DRV_RP5C01
1139 tristate "Ricoh RP5C01"
Chen Gang706b6322014-10-13 15:53:14 -07001140 depends on HAS_IOMEM
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001141 help
1142 If you say yes here you get support for the Ricoh RP5C01
1143 timekeeping chip. It is used in some Amiga models (e.g. A3000
1144 and A4000).
1145
1146 This driver can also be built as a module. If so, the module
1147 will be called rtc-rp5c01.
1148
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001149config RTC_DRV_V3020
1150 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001151 help
1152 If you say yes here you will get support for the
1153 EM Microelectronic v3020 RTC chip.
1154
1155 This driver can also be built as a module. If so, the module
1156 will be called rtc-v3020.
1157
Mark Brown35c86bf2009-08-27 19:59:05 +02001158config RTC_DRV_WM831X
1159 tristate "Wolfson Microelectronics WM831x RTC"
1160 depends on MFD_WM831X
1161 help
1162 If you say yes here you will get support for the RTC subsystem
1163 of the Wolfson Microelectronics WM831X series PMICs.
1164
1165 This driver can also be built as a module. If so, the module
1166 will be called "rtc-wm831x".
1167
Mark Brown077eaf52008-11-12 13:27:04 -08001168config RTC_DRV_WM8350
1169 tristate "Wolfson Microelectronics WM8350 RTC"
1170 depends on MFD_WM8350
1171 help
1172 If you say yes here you will get support for the RTC subsystem
1173 of the Wolfson Microelectronics WM8350.
1174
1175 This driver can also be built as a module. If so, the module
1176 will be called "rtc-wm8350".
1177
Baolin Wang495bbde2017-11-09 11:34:17 +08001178config RTC_DRV_SC27XX
1179 tristate "Spreadtrum SC27xx RTC"
1180 depends on MFD_SC27XX_PMIC || COMPILE_TEST
1181 help
1182 If you say Y here you will get support for the RTC subsystem
1183 of the Spreadtrum SC27xx series PMICs. The SC27xx series PMICs
1184 includes the SC2720, SC2721, SC2723, SC2730 and SC2731 chips.
1185
1186 This driver can also be built as a module. If so, the module
1187 will be called rtc-sc27xx.
1188
Rajeev Kumar0942a712011-05-26 16:25:09 -07001189config RTC_DRV_SPEAR
1190 tristate "SPEAR ST RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001191 depends on PLAT_SPEAR || COMPILE_TEST
Rajeev Kumar0942a712011-05-26 16:25:09 -07001192 default y
1193 help
1194 If you say Y here you will get support for the RTC found on
1195 spear
1196
Balaji Raoeae854b2009-01-09 01:50:51 +01001197config RTC_DRV_PCF50633
1198 depends on MFD_PCF50633
1199 tristate "NXP PCF50633 RTC"
1200 help
1201 If you say yes here you get support for the RTC subsystem of the
1202 NXP PCF50633 used in embedded systems.
1203
Linus Walleijbd207cf2009-08-30 23:49:04 +02001204config RTC_DRV_AB3100
1205 tristate "ST-Ericsson AB3100 RTC"
1206 depends on AB3100_CORE
1207 default y if AB3100_CORE
1208 help
1209 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
1210 support. This chip contains a battery- and capacitor-backed RTC.
1211
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001212config RTC_DRV_AB8500
1213 tristate "ST-Ericsson AB8500 RTC"
1214 depends on AB8500_CORE
Ulf Hansson651fb482012-10-04 17:14:32 -07001215 select RTC_INTF_DEV
Ramesh Chandrasekarandc43d4a2012-07-30 14:41:41 -07001216 select RTC_INTF_DEV_UIE_EMUL
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001217 help
1218 Select this to enable the ST-Ericsson AB8500 power management IC RTC
1219 support. This chip contains a battery- and capacitor-backed RTC.
1220
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001221config RTC_DRV_NUC900
1222 tristate "NUC910/NUC920 RTC driver"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001223 depends on ARCH_W90X900 || COMPILE_TEST
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001224 help
1225 If you say yes here you get support for the RTC subsystem of the
1226 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +02001227
Neelesh Gupta16b1d262014-10-14 14:08:36 +05301228config RTC_DRV_OPAL
1229 tristate "IBM OPAL RTC driver"
1230 depends on PPC_POWERNV
1231 default y
1232 help
1233 If you say yes here you get support for the PowerNV platform RTC
1234 driver based on OPAL interfaces.
1235
1236 This driver can also be built as a module. If so, the module
1237 will be called rtc-opal.
1238
Suneel Garapati11143c12015-08-19 15:23:22 +05301239config RTC_DRV_ZYNQMP
1240 tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
1241 depends on OF
1242 help
1243 If you say yes here you get support for the RTC controller found on
1244 Xilinx Zynq Ultrascale+ MPSoC.
1245
Stephen Barber6f2a71a2017-11-10 22:55:53 +01001246config RTC_DRV_CROS_EC
1247 tristate "Chrome OS EC RTC driver"
1248 depends on MFD_CROS_EC
1249 help
1250 If you say yes here you will get support for the
1251 Chrome OS Embedded Controller's RTC.
1252
1253 This driver can also be built as a module. If so, the module
1254 will be called rtc-cros-ec.
1255
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001256comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001257
Oleksij Rempel125e5502016-02-02 20:56:10 +01001258config RTC_DRV_ASM9260
1259 tristate "Alphascale asm9260 RTC"
Alexandre Belloni7f742e82016-08-31 18:15:27 +02001260 depends on MACH_ASM9260 || COMPILE_TEST
Oleksij Rempel125e5502016-02-02 20:56:10 +01001261 help
1262 If you say yes here you get support for the RTC on the
1263 Alphascale asm9260 SoC.
1264
1265 This driver can also be built as a module. If so, the module
1266 will be called rtc-asm9260.
1267
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -06001268config RTC_DRV_DAVINCI
1269 tristate "TI DaVinci RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001270 depends on ARCH_DAVINCI_DM365 || COMPILE_TEST
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -06001271 help
1272 If you say yes here you get support for the RTC on the
1273 DaVinci platforms (DM365).
1274
1275 This driver can also be built as a module. If so, the module
1276 will be called rtc-davinci.
1277
Baruch Siachba172202015-04-16 12:45:40 -07001278config RTC_DRV_DIGICOLOR
1279 tristate "Conexant Digicolor RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001280 depends on ARCH_DIGICOLOR || COMPILE_TEST
Baruch Siachba172202015-04-16 12:45:40 -07001281 help
1282 If you say yes here you get support for the RTC on Conexant
1283 Digicolor platforms. This currently includes the CX92755 SoC.
1284
1285 This driver can also be built as a module. If so, the module
1286 will be called rtc-digicolor.
1287
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001288config RTC_DRV_IMXDI
1289 tristate "Freescale IMX DryIce Real Time Clock"
Roland Stiggeef216ad2012-12-17 16:02:22 -08001290 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001291 help
1292 Support for Freescale IMX DryIce RTC
1293
1294 This driver can also be built as a module, if so, the module
1295 will be called "rtc-imxdi".
1296
David Brownelldb68b182006-12-06 20:38:36 -08001297config RTC_DRV_OMAP
Lokesh Vutla86089762015-04-16 12:46:03 -07001298 tristate "TI OMAP Real Time Clock"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001299 depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST
Marcin Niestroj97ea1902016-09-16 11:26:28 +02001300 depends on OF
1301 depends on PINCTRL
1302 select GENERIC_PINCONF
David Brownelldb68b182006-12-06 20:38:36 -08001303 help
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001304 Say "yes" here to support the on chip real time clock
Lokesh Vutla86089762015-04-16 12:46:03 -07001305 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001306
1307 This driver can also be built as a module, if so, module
1308 will be called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -08001309
Atul Dahiya16f4efe2010-07-20 16:38:49 +05301310config HAVE_S3C_RTC
1311 bool
1312 help
1313 This will include RTC support for Samsung SoCs. If
1314 you want to include RTC support for any machine, kindly
1315 select this in the respective mach-XXXX/Kconfig file.
1316
Ben Dooks1add6782006-07-01 04:36:26 -07001317config RTC_DRV_S3C
1318 tristate "Samsung S3C series SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001319 depends on ARCH_S3C64XX || HAVE_S3C_RTC || COMPILE_TEST
Ben Dooks1add6782006-07-01 04:36:26 -07001320 help
1321 RTC (Realtime Clock) driver for the clock inbuilt into the
1322 Samsung S3C24XX series of SoCs. This can provide periodic
1323 interrupt rates from 1Hz to 64Hz for user programs, and
1324 wakeup from Alarm.
1325
1326 The driver currently supports the common features on all the
1327 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
1328 and S3C2442.
1329
1330 This driver can also be build as a module. If so, the module
1331 will be called rtc-s3c.
1332
Alessandro Zummofd507e22006-03-27 01:16:45 -08001333config RTC_DRV_EP93XX
1334 tristate "Cirrus Logic EP93XX"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001335 depends on ARCH_EP93XX || COMPILE_TEST
Alessandro Zummofd507e22006-03-27 01:16:45 -08001336 help
1337 If you say yes here you get support for the
1338 RTC embedded in the Cirrus Logic EP93XX processors.
1339
1340 This driver can also be built as a module. If so, the module
1341 will be called rtc-ep93xx.
1342
Richard Purdiee842f1c2006-03-27 01:16:46 -08001343config RTC_DRV_SA1100
Haojian Zhuang3888c092012-02-21 11:51:13 +08001344 tristate "SA11x0/PXA2xx/PXA910"
1345 depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
Richard Purdiee842f1c2006-03-27 01:16:46 -08001346 help
1347 If you say Y here you will get access to the real time clock
1348 built into your SA11x0 or PXA2xx CPU.
1349
1350 To compile this driver as a module, choose M here: the
1351 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -08001352
Paul Mundt317a6102006-09-27 17:13:19 +09001353config RTC_DRV_SH
1354 tristate "SuperH On-Chip RTC"
Chris Brandtdab5aec2017-03-29 10:30:29 -07001355 depends on SUPERH || ARCH_RENESAS
Paul Mundt317a6102006-09-27 17:13:19 +09001356 help
1357 Say Y here to enable support for the on-chip RTC found in
Chris Brandtdab5aec2017-03-29 10:30:29 -07001358 most SuperH processors. This RTC is also found in RZ/A SoCs.
Paul Mundt317a6102006-09-27 17:13:19 +09001359
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001360 To compile this driver as a module, choose M here: the
Paul Mundt317a6102006-09-27 17:13:19 +09001361 module will be called rtc-sh.
1362
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001363config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001364 tristate "NEC VR41XX"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001365 depends on CPU_VR41XX || COMPILE_TEST
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001366 help
1367 If you say Y here you will get access to the real time clock
1368 built into your NEC VR41XX CPU.
1369
1370 To compile this driver as a module, choose M here: the
1371 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001372
Russell Kinga1909012008-04-20 12:08:36 +01001373config RTC_DRV_PL030
1374 tristate "ARM AMBA PL030 RTC"
1375 depends on ARM_AMBA
1376 help
1377 If you say Y here you will get access to ARM AMBA
1378 PrimeCell PL030 RTC found on certain ARM SOCs.
1379
1380 To compile this driver as a module, choose M here: the
1381 module will be called rtc-pl030.
1382
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001383config RTC_DRV_PL031
1384 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001385 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001386 help
1387 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001388 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001389
1390 To compile this driver as a module, choose M here: the
1391 module will be called rtc-pl031.
1392
Andrew Victor7fc39f62006-12-10 02:19:03 -08001393config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001394 tristate "AT91RM9200 or some AT91SAM9 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001395 depends on ARCH_AT91 || COMPILE_TEST
Andrew Victor788b1fc2006-06-25 05:48:27 -07001396 help
David Brownell4cdf8542008-02-06 01:38:59 -08001397 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001398 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -08001399 this is powered by the backup power supply.
1400
1401config RTC_DRV_AT91SAM9
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001402 tristate "AT91SAM9 RTT as RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001403 depends on ARCH_AT91 || COMPILE_TEST
Masahiro Yamadae22e2d92018-03-06 20:08:11 +09001404 depends on HAS_IOMEM
Boris BREZILLON43e112b2014-09-23 13:14:44 +02001405 select MFD_SYSCON
David Brownell4cdf8542008-02-06 01:38:59 -08001406 help
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001407 Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
1408 can be used as an RTC thanks to the backup power supply (e.g. a
1409 small coin cell battery) which keeps this block and the GPBR
1410 (General Purpose Backup Registers) block powered when the device
1411 is shutdown.
1412 Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
1413 probably want to use the real RTC block instead of the "RTT as an
1414 RTC" driver.
David Brownell4cdf8542008-02-06 01:38:59 -08001415
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001416config RTC_DRV_AU1XXX
1417 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +02001418 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001419 help
1420 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1421 counter) to be used as a RTC.
1422
1423 This driver can also be built as a module. If so, the module
1424 will be called rtc-au1xxx.
1425
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001426config RTC_DRV_RS5C313
1427 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001428 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001429 help
1430 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1431
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001432config RTC_DRV_GENERIC
1433 tristate "Generic RTC support"
1434 # Please consider writing a new RTC driver instead of using the generic
1435 # RTC abstraction
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001436 depends on PARISC || M68K || PPC || SUPERH32 || COMPILE_TEST
Kyle McMartin9eb16862008-09-10 14:24:07 +00001437 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001438 Say Y or M here to enable RTC support on systems using the generic
1439 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +00001440 just say Y.
1441
Robert Jarzmikdc944362009-01-06 14:42:14 -08001442config RTC_DRV_PXA
Alexandre Belloni832315b2016-03-10 05:46:18 +01001443 tristate "PXA27x/PXA3xx"
1444 depends on ARCH_PXA
1445 select RTC_DRV_SA1100
1446 help
Rob Herring3cdf4ad2015-05-13 09:20:04 -05001447 If you say Y here you will get access to the real time clock
1448 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1449 consisting of an SA1100 compatible RTC and the extended PXA RTC.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001450
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001451 This RTC driver uses PXA RTC registers available since pxa27x
1452 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001453
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001454config RTC_DRV_VT8500
1455 tristate "VIA/WonderMedia 85xx SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001456 depends on ARCH_VT8500 || COMPILE_TEST
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001457 help
1458 If you say Y here you will get access to the real time clock
1459 built into your VIA VT8500 SoC or its relatives.
1460
Robert Jarzmikdc944362009-01-06 14:42:14 -08001461
David S. Miller7a138ed2008-08-29 01:32:43 -07001462config RTC_DRV_SUN4V
1463 bool "SUN4V Hypervisor RTC"
1464 depends on SPARC64
1465 help
1466 If you say Y here you will get support for the Hypervisor
1467 based RTC on SUN4V systems.
1468
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001469config RTC_DRV_SUN6I
Maxime Ripard37539412017-01-23 11:41:46 +01001470 bool "Allwinner A31 RTC"
Alexandre Belloni93946c42017-02-01 12:54:13 +01001471 default MACH_SUN6I || MACH_SUN8I
1472 depends on COMMON_CLK
1473 depends on ARCH_SUNXI || COMPILE_TEST
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001474 help
Andre Przywara28639342016-02-01 17:39:22 +00001475 If you say Y here you will get support for the RTC found in
1476 some Allwinner SoCs like the A31 or the A64.
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001477
Carlo Caione594c6fb2013-11-16 18:33:54 +01001478config RTC_DRV_SUNXI
1479 tristate "Allwinner sun4i/sun7i RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001480 depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST
Carlo Caione594c6fb2013-11-16 18:33:54 +01001481 help
1482 If you say Y here you will get support for the RTC found on
1483 Allwinner A10/A20.
1484
David S. Millerde2cf332008-08-28 23:02:36 -07001485config RTC_DRV_STARFIRE
1486 bool "Starfire RTC"
1487 depends on SPARC64
1488 help
1489 If you say Y here you will get support for the RTC found on
1490 Starfire systems.
1491
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001492config RTC_DRV_TX4939
1493 tristate "TX4939 SoC"
Alexandre Bellonifaec5f72018-02-12 23:47:56 +01001494 depends on SOC_TX4939 || COMPILE_TEST
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001495 help
1496 Driver for the internal RTC (Realtime Clock) module found on
1497 Toshiba TX4939 SoC.
1498
Saeed Bisharadefb4512009-01-06 14:42:24 -08001499config RTC_DRV_MV
1500 tristate "Marvell SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001501 depends on ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST
Saeed Bisharadefb4512009-01-06 14:42:24 -08001502 help
1503 If you say yes here you will get support for the in-chip RTC
1504 that can be found in some of Marvell's SoC devices, such as
1505 the Kirkwood 88F6281 and 88F6192.
1506
1507 This driver can also be built as a module. If so, the module
1508 will be called rtc-mv.
1509
Gregory CLEMENTa3a42802015-02-13 14:41:11 -08001510config RTC_DRV_ARMADA38X
1511 tristate "Armada 38x Marvell SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001512 depends on ARCH_MVEBU || COMPILE_TEST
Gregory CLEMENTa3a42802015-02-13 14:41:11 -08001513 help
1514 If you say yes here you will get support for the in-chip RTC
1515 that can be found in the Armada 38x Marvell's SoC device
1516
1517 This driver can also be built as a module. If so, the module
1518 will be called armada38x-rtc.
1519
Jan Kotas42986fb2019-01-22 10:42:16 +00001520config RTC_DRV_CADENCE
1521 tristate "Cadence RTC driver"
1522 depends on OF && HAS_IOMEM
1523 help
1524 If you say Y here you will get access to Cadence RTC IP
1525 found on certain SOCs.
1526
1527 To compile this driver as a module, choose M here: the
1528 module will be called rtc-cadence.
1529
Linus Walleij1d61d252017-05-30 09:53:32 +02001530config RTC_DRV_FTRTC010
1531 tristate "Faraday Technology FTRTC010 RTC"
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001532 depends on HAS_IOMEM
Linus Walleij1d61d252017-05-30 09:53:32 +02001533 default ARCH_GEMINI
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001534 help
1535 If you say Y here you will get support for the
Linus Walleij1d61d252017-05-30 09:53:32 +02001536 Faraday Technolog FTRTC010 found on e.g. Gemini SoC's.
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001537
1538 This driver can also be built as a module. If so, the module
Linus Walleij1d61d252017-05-30 09:53:32 +02001539 will be called rtc-ftrtc010.
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001540
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +01001541config RTC_DRV_PS3
1542 tristate "PS3 RTC"
1543 depends on PPC_PS3
1544 help
1545 If you say yes here you will get support for the RTC on PS3.
1546
1547 This driver can also be built as a module. If so, the module
1548 will be called rtc-ps3.
1549
Linus Walleijaa958f52009-09-22 16:46:24 -07001550config RTC_DRV_COH901331
1551 tristate "ST-Ericsson COH 901 331 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001552 depends on ARCH_U300 || COMPILE_TEST
Linus Walleijaa958f52009-09-22 16:46:24 -07001553 help
1554 If you say Y here you will get access to ST-Ericsson
1555 COH 901 331 RTC clock found in some ST-Ericsson Mobile
1556 Platforms.
1557
1558 This driver can also be built as a module. If so, the module
1559 will be called "rtc-coh901331".
1560
1561
dmitry pervushindf17f632009-09-22 16:46:26 -07001562config RTC_DRV_STMP
Wolfram Sang46b21212011-05-25 12:56:50 +02001563 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001564 depends on ARCH_MXS || COMPILE_TEST
Alexandre Belloni20d048a2015-05-03 11:29:44 +02001565 select STMP_DEVICE
dmitry pervushindf17f632009-09-22 16:46:26 -07001566 help
1567 If you say yes here you will get support for the onboard
Wolfram Sang46b21212011-05-25 12:56:50 +02001568 STMP3xxx/i.MX23/i.MX28 RTC.
dmitry pervushindf17f632009-09-22 16:46:26 -07001569
1570 This driver can also be built as a module. If so, the module
1571 will be called rtc-stmp3xxx.
1572
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -07001573config RTC_DRV_PCAP
1574 tristate "PCAP RTC"
1575 depends on EZX_PCAP
1576 help
1577 If you say Y here you will get support for the RTC found on
1578 the PCAP2 ASIC used on some Motorola phones.
1579
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001580config RTC_DRV_MC13XXX
1581 depends on MFD_MC13XXX
1582 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001583 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001584 This enables support for the RTCs found on Freescale's PMICs
1585 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001586
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001587config RTC_DRV_MPC5121
1588 tristate "Freescale MPC5121 built-in RTC"
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001589 depends on PPC_MPC512x || PPC_MPC52xx
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001590 help
1591 If you say yes here you will get support for the
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001592 built-in RTC on MPC5121 or on MPC5200.
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001593
1594 This driver can also be built as a module. If so, the module
1595 will be called rtc-mpc5121.
1596
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001597config RTC_DRV_JZ4740
Alexandre Belloni586655d2017-01-25 00:44:16 +01001598 tristate "Ingenic JZ4740 SoC"
Paul Cercueil1e6e4e12018-08-20 20:07:16 +02001599 depends on MIPS || COMPILE_TEST
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001600 help
Paul Cercueilcd563202016-10-31 21:39:45 +01001601 If you say yes here you get support for the Ingenic JZ47xx SoCs RTC
1602 controllers.
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001603
Mathieu Malaterreb9ef8602018-05-23 21:58:14 +02001604 This driver can also be built as a module. If so, the module
Alexandre Belloni586655d2017-01-25 00:44:16 +01001605 will be called rtc-jz4740.
1606
Joachim Eastwoodc28b42e2015-07-11 19:28:49 +02001607config RTC_DRV_LPC24XX
1608 tristate "NXP RTC for LPC178x/18xx/408x/43xx"
1609 depends on ARCH_LPC18XX || COMPILE_TEST
1610 depends on OF && HAS_IOMEM
1611 help
1612 This enables support for the NXP RTC found which can be found on
1613 NXP LPC178x/18xx/408x/43xx devices.
1614
1615 If you have one of the devices above enable this driver to use
Alexandre Belloni72d3d792016-11-08 22:51:45 +01001616 the hardware RTC. This driver can also be built as a module. If
Joachim Eastwoodc28b42e2015-07-11 19:28:49 +02001617 so, the module will be called rtc-lpc24xx.
1618
Kevin Wells9aa449b2010-10-27 15:33:01 -07001619config RTC_DRV_LPC32XX
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001620 depends on ARCH_LPC32XX || COMPILE_TEST
Kevin Wells9aa449b2010-10-27 15:33:01 -07001621 tristate "NXP LPC32XX RTC"
1622 help
1623 This enables support for the NXP RTC in the LPC32XX
1624
Alexandre Belloni72d3d792016-11-08 22:51:45 +01001625 This driver can also be built as a module. If so, the module
Kevin Wells9aa449b2010-10-27 15:33:01 -07001626 will be called rtc-lpc32xx.
1627
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001628config RTC_DRV_PM8XXX
1629 tristate "Qualcomm PMIC8XXX RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001630 depends on MFD_PM8XXX || MFD_SPMI_PMIC || COMPILE_TEST
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001631 help
1632 If you say yes here you get support for the
1633 Qualcomm PMIC8XXX RTC.
1634
1635 To compile this driver as a module, choose M here: the
1636 module will be called rtc-pm8xxx.
1637
Andrew Chewff859ba2011-03-22 16:34:55 -07001638config RTC_DRV_TEGRA
1639 tristate "NVIDIA Tegra Internal RTC driver"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001640 depends on ARCH_TEGRA || COMPILE_TEST
Andrew Chewff859ba2011-03-22 16:34:55 -07001641 help
1642 If you say yes here you get support for the
1643 Tegra 200 series internal RTC module.
1644
1645 This drive can also be built as a module. If so, the module
1646 will be called rtc-tegra.
1647
Guan Xuetao2809e802011-05-26 16:43:27 +08001648config RTC_DRV_PUV3
1649 tristate "PKUnity v3 RTC support"
1650 depends on ARCH_PUV3
1651 help
1652 This enables support for the RTC in the PKUnity-v3 SoCs.
1653
1654 This drive can also be built as a module. If so, the module
1655 will be called rtc-puv3.
1656
zhao zhangb4f0b882012-03-23 15:02:32 -07001657config RTC_DRV_LOONGSON1
1658 tristate "loongson1 RTC support"
Huacai Chen30ad29b2015-04-21 10:00:35 +08001659 depends on MACH_LOONGSON32
zhao zhangb4f0b882012-03-23 15:02:32 -07001660 help
1661 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1662 counter) to be used as a RTC.
1663
1664 This driver can also be built as a module. If so, the module
1665 will be called rtc-ls1x.
1666
Fabio Estevam79811592012-05-29 15:07:37 -07001667config RTC_DRV_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001668 tristate "Freescale MXC Real Time Clock"
1669 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001670 help
1671 If you say yes here you get support for the Freescale MXC
1672 RTC module.
1673
1674 This driver can also be built as a module, if so, the module
1675 will be called "rtc-mxc".
1676
Patrick Bruenn83c880f2017-12-18 12:51:32 +01001677config RTC_DRV_MXC_V2
1678 tristate "Freescale MXC Real Time Clock for i.MX53"
1679 depends on ARCH_MXC
1680 help
1681 If you say yes here you get support for the Freescale MXC
1682 SRTC module in i.MX53 processor.
1683
1684 This driver can also be built as a module, if so, the module
1685 will be called "rtc-mxc_v2".
1686
Shawn Guo179a5022012-10-04 17:13:49 -07001687config RTC_DRV_SNVS
1688 tristate "Freescale SNVS RTC support"
Shawn Guo8a0fa182015-07-13 15:58:51 +08001689 select REGMAP_MMIO
Shawn Guo179a5022012-10-04 17:13:49 -07001690 depends on HAS_IOMEM
1691 depends on OF
1692 help
1693 If you say yes here you get support for the Freescale SNVS
1694 Low Power (LP) RTC module.
1695
1696 This driver can also be built as a module, if so, the module
1697 will be called "rtc-snvs".
1698
Anson Huange01b5782018-12-20 08:56:16 +00001699config RTC_DRV_IMX_SC
1700 depends on IMX_SCU
1701 tristate "NXP i.MX System Controller RTC support"
1702 help
1703 If you say yes here you get support for the NXP i.MX System
1704 Controller RTC module.
1705
Xianglong Due88b8152013-07-03 15:08:04 -07001706config RTC_DRV_SIRFSOC
1707 tristate "SiRFSOC RTC"
1708 depends on ARCH_SIRF
1709 help
1710 Say "yes" here to support the real time clock on SiRF SOC chips.
1711 This driver can also be built as a module called rtc-sirfsoc.
1712
Lee Jonesb5b2bdf2015-04-09 15:47:33 +01001713config RTC_DRV_ST_LPC
1714 tristate "STMicroelectronics LPC RTC"
1715 depends on ARCH_STI
1716 depends on OF
1717 help
1718 Say Y here to include STMicroelectronics Low Power Controller
1719 (LPC) based RTC support.
1720
1721 To compile this driver as a module, choose M here: the
1722 module will be called rtc-st-lpc.
1723
Jonas Jensen453b4c62013-09-11 14:24:17 -07001724config RTC_DRV_MOXART
1725 tristate "MOXA ART RTC"
Jean Delvare441fb762014-08-08 14:20:05 -07001726 depends on ARCH_MOXART || COMPILE_TEST
Jonas Jensen453b4c62013-09-11 14:24:17 -07001727 help
1728 If you say yes here you get support for the MOXA ART
1729 RTC module.
1730
1731 This driver can also be built as a module. If so, the module
1732 will be called rtc-moxart
1733
Tianping Fangfc297912015-05-06 15:23:41 +08001734config RTC_DRV_MT6397
Sean Wangd00a7ed2017-10-23 15:16:46 +08001735 tristate "MediaTek PMIC based RTC"
Arnd Bergmann04d3ba72016-01-25 17:04:46 +01001736 depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
Tianping Fangfc297912015-05-06 15:23:41 +08001737 help
Sean Wangd00a7ed2017-10-23 15:16:46 +08001738 This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
Tianping Fangfc297912015-05-06 15:23:41 +08001739 MT6397 PMIC. You should enable MT6397 PMIC MFD before select
Sean Wangd00a7ed2017-10-23 15:16:46 +08001740 MediaTek(R) RTC driver.
Tianping Fangfc297912015-05-06 15:23:41 +08001741
Sean Wangd00a7ed2017-10-23 15:16:46 +08001742 If you want to use MediaTek(R) RTC interface, select Y or M here.
Tianping Fangfc297912015-05-06 15:23:41 +08001743
Sean Wangba5d0182017-10-23 15:16:45 +08001744config RTC_DRV_MT7622
1745 tristate "MediaTek SoC based RTC"
1746 depends on ARCH_MEDIATEK || COMPILE_TEST
1747 help
1748 This enables support for the real time clock built in the MediaTek
1749 SoCs.
1750
1751 This drive can also be built as a module. If so, the module
1752 will be called rtc-mt7622.
1753
Loc Hof12d8692014-06-06 14:35:42 -07001754config RTC_DRV_XGENE
1755 tristate "APM X-Gene RTC"
Chen Gang706b6322014-10-13 15:53:14 -07001756 depends on HAS_IOMEM
Jean Delvarefdf8afa2015-05-06 09:24:42 +02001757 depends on ARCH_XGENE || COMPILE_TEST
Loc Hof12d8692014-06-06 14:35:42 -07001758 help
1759 If you say yes here you get support for the APM X-Gene SoC real time
1760 clock.
1761
1762 This driver can also be built as a module, if so, the module
1763 will be called "rtc-xgene".
1764
Joshua Henderson51aa9052016-02-25 10:30:44 -07001765config RTC_DRV_PIC32
1766 tristate "Microchip PIC32 RTC"
1767 depends on MACH_PIC32
1768 default y
1769 help
1770 If you say yes here you get support for the PIC32 RTC module.
1771
1772 This driver can also be built as a module. If so, the module
1773 will be called rtc-pic32
1774
Akinobu Mita0b6a8f52016-12-04 23:04:39 +09001775config RTC_DRV_R7301
1776 tristate "EPSON TOYOCOM RTC-7301SF/DG"
1777 select REGMAP_MMIO
1778 depends on OF && HAS_IOMEM
1779 help
1780 If you say yes here you get support for the EPSON TOYOCOM
1781 RTC-7301SF/DG chips.
1782
1783 This driver can also be built as a module. If so, the module
1784 will be called rtc-r7301.
1785
Amelie Delaunay4e643502017-01-11 14:46:43 +01001786config RTC_DRV_STM32
1787 tristate "STM32 RTC"
1788 select REGMAP_MMIO
1789 depends on ARCH_STM32 || COMPILE_TEST
1790 help
1791 If you say yes here you get support for the STM32 On-Chip
1792 Real Time Clock.
1793
1794 This driver can also be built as a module, if so, the module
1795 will be called "rtc-stm32".
1796
Sebastian Reicheldd3bf502017-03-02 01:27:09 +01001797config RTC_DRV_CPCAP
1798 depends on MFD_CPCAP
1799 tristate "Motorola CPCAP RTC"
1800 help
1801 Say y here for CPCAP rtc found on some Motorola phones
1802 and tablets such as Droid 4.
1803
Andreas Färberae930c92017-09-05 00:53:23 +02001804config RTC_DRV_RTD119X
1805 bool "Realtek RTD129x RTC"
1806 depends on ARCH_REALTEK || COMPILE_TEST
1807 default ARCH_REALTEK
1808 help
1809 If you say yes here, you get support for the RTD1295 SoC
1810 Real Time Clock.
1811
Alexander Holler62e00cb2012-12-15 12:45:00 +00001812comment "HID Sensor RTC drivers"
1813
1814config RTC_DRV_HID_SENSOR_TIME
1815 tristate "HID Sensor Time"
1816 depends on USB_HID
1817 select IIO
1818 select HID_SENSOR_HUB
1819 select HID_SENSOR_IIO_COMMON
1820 help
1821 Say yes here to build support for the HID Sensors of type Time.
1822 This drivers makes such sensors available as RTCs.
1823
1824 If this driver is compiled as a module, it will be named
1825 rtc-hid-sensor-time.
1826
Miodrag Dinicf22d9cd2017-08-18 15:08:54 +02001827config RTC_DRV_GOLDFISH
1828 tristate "Goldfish Real Time Clock"
1829 depends on MIPS && (GOLDFISH || COMPILE_TEST)
1830 help
1831 Say yes to enable RTC driver for the Goldfish based virtual platform.
1832
1833 Goldfish is a code name for the virtual platform developed by Google
1834 for Android emulation.
Alexander Holler62e00cb2012-12-15 12:45:00 +00001835
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001836endif # RTC_CLASS