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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"
190 help
191 If you say yes here you get support for Abracon AB080X and AB180X
192 families of ultra-low-power battery- and capacitor-backed real-time
193 clock chips.
194
195 This driver can also be built as a module. If so, the module
196 will be called rtc-abx80x.
197
Chen-Yu Tsaid00a18a2016-07-08 22:33:38 +0800198config RTC_DRV_AC100
199 tristate "X-Powers AC100"
200 depends on MFD_AC100
201 help
202 If you say yes here you get support for the real-time clock found
203 in X-Powers AC100 family peripheral ICs.
204
205 This driver can also be built as a module. If so, the module
206 will be called rtc-ac100.
207
Brian Norrisc4f07ec2017-06-26 14:15:03 -0700208config RTC_DRV_BRCMSTB
209 tristate "Broadcom STB wake-timer"
210 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
211 default ARCH_BRCMSTB || BMIPS_GENERIC
212 help
213 If you say yes here you get support for the wake-timer found on
214 Broadcom STB SoCs (BCM7xxx).
215
216 This driver can also be built as a module. If so, the module will
217 be called rtc-brcmstb-waketimer.
218
Laxman Dewanganb4506262013-11-12 15:11:05 -0800219config RTC_DRV_AS3722
220 tristate "ams AS3722 RTC driver"
221 depends on MFD_AS3722
222 help
223 If you say yes here you get support for the RTC of ams AS3722 PMIC
224 chips.
225
226 This driver can also be built as a module. If so, the module
227 will be called rtc-as3722.
228
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700229config RTC_DRV_DS1307
Nikita Yushchenko0759c882017-08-24 09:32:11 +0300230 tristate "Dallas/Maxim DS1307/37/38/39/40/41, ST M41T00, EPSON RX-8025, ISL12057"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700231 help
232 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800233 chips (often with battery backup) connected with I2C. This driver
Nikita Yushchenko0759c882017-08-24 09:32:11 +0300234 should handle DS1307, DS1337, DS1338, DS1339, DS1340, DS1341,
235 ST M41T00, EPSON RX-8025, Intersil ISL12057 and probably other chips.
236 In some cases the RTC must already have been initialized (by
237 manufacturing or a bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700238
239 The first seven registers on these chips hold an RTC, and other
240 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800241 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800242 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700243
244 This driver can also be built as a module. If so, the module
245 will be called rtc-ds1307.
246
Alexandre Belloni50d6c0e2016-07-13 02:26:08 +0200247config RTC_DRV_DS1307_CENTURY
248 bool "Century bit support for rtc-ds1307"
249 depends on RTC_DRV_DS1307
250 default n
251 help
252 The DS1307 driver suffered from a bug where it was enabling the
253 century bit inconditionnally but never used it when reading the time.
254 It made the driver unable to support dates beyond 2099.
255 Setting this option will add proper support for the century bit but if
256 the time was previously set using a kernel predating this option,
257 reading the date will return a date in the next century.
258 To solve that, you could boot a kernel without this option set, set
259 the RTC date and then boot a kernel with this option set.
260
Scott Woodbf4994d2007-10-16 01:28:19 -0700261config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800262 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700263 help
264 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800265 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700266 with the device, the alarm functionality is supported.
267
Alessandro Zummoae64d162009-01-06 14:42:17 -0800268 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700269 will be called rtc-ds1374.
270
Søren Andersen920f91e2014-12-10 15:53:54 -0800271config RTC_DRV_DS1374_WDT
272 bool "Dallas/Maxim DS1374 watchdog timer"
273 depends on RTC_DRV_DS1374
274 help
275 If you say Y here you will get support for the
276 watchdog timer in the Dallas Semiconductor DS1374
277 real-time clock chips.
278
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700279config RTC_DRV_DS1672
280 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700281 help
282 If you say yes here you get support for the
283 Dallas/Maxim DS1672 timekeeping chip.
284
285 This driver can also be built as a module. If so, the module
286 will be called rtc-ds1672.
287
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800288config RTC_DRV_HYM8563
289 tristate "Haoyu Microelectronics HYM8563"
Alexandre Belloni37830552015-06-08 19:27:37 +0200290 depends on OF
Heiko Stuebnerdcaf0382014-01-23 15:55:10 -0800291 help
292 Say Y to enable support for the HYM8563 I2C RTC chip. Apart
293 from the usual rtc functions it provides a clock output of
294 up to 32kHz.
295
296 This driver can also be built as a module. If so, the module
297 will be called rtc-hym8563.
298
Kim, Milo38ae1762013-02-21 16:44:32 -0800299config RTC_DRV_LP8788
300 tristate "TI LP8788 RTC driver"
301 depends on MFD_LP8788
302 help
303 Say Y to enable support for the LP8788 RTC/ALARM driver.
304
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700305config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800306 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700307 help
308 If you say yes here you will get support for the
309 Maxim MAX6900 I2C RTC chip.
310
311 This driver can also be built as a module. If so, the module
312 will be called rtc-max6900.
313
Stephen Warren94c01ab2012-10-04 17:13:56 -0700314config RTC_DRV_MAX8907
315 tristate "Maxim MAX8907"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200316 depends on MFD_MAX8907 || COMPILE_TEST
Stephen Warren94c01ab2012-10-04 17:13:56 -0700317 help
318 If you say yes here you will get support for the
319 RTC of Maxim MAX8907 PMIC.
320
321 This driver can also be built as a module. If so, the module
322 will be called rtc-max8907.
323
Haojian Zhuanga39069f62010-01-25 06:30:29 -0500324config RTC_DRV_MAX8925
325 tristate "Maxim MAX8925"
326 depends on MFD_MAX8925
327 help
328 If you say yes here you will get support for the
329 RTC of Maxim MAX8925 PMIC.
330
331 This driver can also be built as a module. If so, the module
332 will be called rtc-max8925.
333
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900334config RTC_DRV_MAX8998
335 tristate "Maxim MAX8998"
336 depends on MFD_MAX8998
337 help
338 If you say yes here you will get support for the
339 RTC of Maxim MAX8998 PMIC.
340
341 This driver can also be built as a module. If so, the module
342 will be called rtc-max8998.
343
Jonghwa Lee5e0b2702013-02-21 16:45:07 -0800344config RTC_DRV_MAX8997
345 tristate "Maxim MAX8997"
346 depends on MFD_MAX8997
347 help
348 If you say yes here you will get support for the
349 RTC of Maxim MAX8997 PMIC.
350
351 This driver can also be built as a module. If so, the module
352 will be called rtc-max8997.
353
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800354config RTC_DRV_MAX77686
355 tristate "Maxim MAX77686"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200356 depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800357 help
358 If you say yes here you will get support for the
Laxman Dewangan726fe732016-03-02 14:06:24 +0530359 RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC.
Jonghwa Leefca1dd02013-02-21 16:44:26 -0800360
361 This driver can also be built as a module. If so, the module
362 will be called rtc-max77686.
363
Chris Zhong3ca1e322014-10-13 15:52:42 -0700364config RTC_DRV_RK808
Elaine Zhang79c676c2017-08-16 10:00:35 +0800365 tristate "Rockchip RK805/RK808/RK818 RTC"
Chris Zhong3ca1e322014-10-13 15:52:42 -0700366 depends on MFD_RK808
367 help
368 If you say yes here you will get support for the
Elaine Zhang79c676c2017-08-16 10:00:35 +0800369 RTC of RK805, RK808 and RK818 PMIC.
Chris Zhong3ca1e322014-10-13 15:52:42 -0700370
371 This driver can also be built as a module. If so, the module
372 will be called rk808-rtc.
373
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700374config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900375 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700376 help
377 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900378 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700379
380 This driver can also be built as a module. If so, the module
381 will be called rtc-rs5c372.
382
383config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800384 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700385 help
386 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800387 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700388
389 This driver can also be built as a module. If so, the module
390 will be called rtc-isl1208.
391
Roman Fietzed6c74282010-08-10 18:02:14 -0700392config RTC_DRV_ISL12022
393 tristate "Intersil ISL12022"
394 help
395 If you say yes here you get support for the
396 Intersil ISL12022 RTC chip.
397
398 This driver can also be built as a module. If so, the module
399 will be called rtc-isl12022.
400
David Daney4731a432018-02-22 12:04:32 -0800401config RTC_DRV_ISL12026
402 tristate "Intersil ISL12026"
403 depends on OF || COMPILE_TEST
404 help
405 If you say yes here you get support for the
406 Intersil ISL12026 RTC chip.
407
408 This driver can also be built as a module. If so, the module
409 will be called rtc-isl12026.
410
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700411config RTC_DRV_X1205
412 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700413 help
414 If you say yes here you get support for the
415 Xicor/Intersil X1205 RTC chip.
416
417 This driver can also be built as a module. If so, the module
418 will be called rtc-x1205.
419
Thierry Redingf803f0d2012-12-17 16:02:44 -0800420config RTC_DRV_PCF8523
421 tristate "NXP PCF8523"
422 help
423 If you say yes here you get support for the NXP PCF8523 RTC
424 chips.
425
426 This driver can also be built as a module. If so, the module
427 will be called rtc-pcf8523.
428
Soren Brinkmannd0848852015-11-03 23:13:46 -0800429config RTC_DRV_PCF85063
430 tristate "NXP PCF85063"
431 help
432 If you say yes here you get support for the PCF85063 RTC chip
433
434 This driver can also be built as a module. If so, the module
435 will be called rtc-pcf85063.
436
Eric Nelsona9687aa2017-11-01 08:01:20 -0700437config RTC_DRV_PCF85363
438 tristate "NXP PCF85363"
439 depends on I2C
440 select REGMAP_I2C
441 help
442 If you say yes here you get support for the PCF85363 RTC chip.
443
444 This driver can also be built as a module. If so, the module
445 will be called rtc-pcf85363.
446
447 The nvmem interface will be named pcf85363-#, where # is the
448 zero-based instance number.
449
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700450config RTC_DRV_PCF8563
451 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700452 help
453 If you say yes here you get support for the
454 Philips PCF8563 RTC chip. The Epson RTC8564
455 should work as well.
456
457 This driver can also be built as a module. If so, the module
458 will be called rtc-pcf8563.
459
460config RTC_DRV_PCF8583
461 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700462 help
463 If you say yes here you get support for the Philips PCF8583
464 RTC chip found on Acorn RiscPCs. This driver supports the
465 platform specific method of retrieving the current year from
466 the RTC's SRAM. It will work on other platforms with the same
467 chip, but the year will probably have to be tweaked.
468
469 This driver can also be built as a module. If so, the module
470 will be called rtc-pcf8583.
471
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700472config RTC_DRV_M41T80
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700473 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700474 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700475 If you say Y here you will get support for the ST M41T60
476 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700477 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Wolfram Sang6b1a5232014-06-06 14:35:47 -0700478 M41ST85, M41ST87, and MicroCrystal RV4162.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700479
480 This driver can also be built as a module. If so, the module
481 will be called rtc-m41t80.
482
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700483config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700484 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700485 depends on RTC_DRV_M41T80
486 help
487 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700488 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700489
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800490config RTC_DRV_BQ32K
491 tristate "TI BQ32000"
492 help
493 If you say Y here you will get support for the TI
494 BQ32000 I2C RTC chip.
495
496 This driver can also be built as a module. If so, the module
497 will be called rtc-bq32k.
498
David Brownellafd8d0f2009-02-04 15:12:01 -0800499config RTC_DRV_DM355EVM
500 tristate "TI DaVinci DM355 EVM RTC"
501 depends on MFD_DM355EVM_MSP
502 help
503 Supports the RTC firmware in the MSP430 on the DM355 EVM.
504
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700505config RTC_DRV_TWL92330
Christoph Jaeger6341e622014-12-20 15:41:11 -0500506 bool "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700507 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700508 help
509 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200510 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800511 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700512 the Menelaus driver; it's not separate module.
513
David Brownellf96411a2008-10-20 23:50:05 +0200514config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100515 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
Venu Byravarasu6b8029f2012-10-04 17:13:59 -0700516 depends on TWL4030_CORE
Nicolae Rosia1c02cbfe2016-11-23 10:55:57 +0200517 depends on OF
David Brownellf96411a2008-10-20 23:50:05 +0200518 help
519 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100520 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200521
522 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100523 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200524
Soren Brinkmannd0848852015-11-03 23:13:46 -0800525config RTC_DRV_PALMAS
526 tristate "TI Palmas RTC driver"
527 depends on MFD_PALMAS
528 help
529 If you say yes here you get support for the RTC of TI PALMA series PMIC
530 chips.
531
532 This driver can also be built as a module. If so, the module
533 will be called rtc-palma.
534
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800535config RTC_DRV_TPS6586X
536 tristate "TI TPS6586X RTC driver"
537 depends on MFD_TPS6586X
538 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900539 TI Power Management IC TPS6586X supports RTC functionality
Laxman Dewangandc59ed32013-01-04 15:35:44 -0800540 along with alarm. This driver supports the RTC driver for
541 the TPS6586X RTC module.
542
Venu Byravarasu0e783982012-10-04 17:13:55 -0700543config RTC_DRV_TPS65910
544 tristate "TI TPS65910 RTC driver"
545 depends on RTC_CLASS && MFD_TPS65910
546 help
547 If you say yes here you get support for the RTC on the
548 TPS65910 chips.
549
550 This driver can also be built as a module. If so, the module
551 will be called rtc-tps65910.
552
Laxman Dewangan36d61822013-02-21 16:44:34 -0800553config RTC_DRV_TPS80031
554 tristate "TI TPS80031/TPS80032 RTC driver"
555 depends on MFD_TPS80031
556 help
Masanari Iidaa895d572013-04-09 02:06:50 +0900557 TI Power Management IC TPS80031 supports RTC functionality
Laxman Dewangan36d61822013-02-21 16:44:34 -0800558 along with alarm. This driver supports the RTC driver for
559 the TPS80031 RTC module.
560
Venu Byravarasu90829c02012-10-04 17:14:04 -0700561config RTC_DRV_RC5T583
562 tristate "RICOH 5T583 RTC driver"
563 depends on MFD_RC5T583
564 help
565 If you say yes here you get support for the RTC on the
566 RICOH 5T583 chips.
567
568 This driver can also be built as a module. If so, the module
569 will be called rtc-rc5t583.
570
Byron Bradleyc46288b2008-03-04 14:28:25 -0800571config RTC_DRV_S35390A
572 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700573 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800574 help
575 If you say yes here you will get support for the Seiko
576 Instruments S-35390A.
577
578 This driver can also be built as a module. If so the module
579 will be called rtc-s35390a.
580
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700581config RTC_DRV_FM3130
582 tristate "Ramtron FM3130"
583 help
584 If you say Y here you will get support for the
585 Ramtron FM3130 RTC chips.
586 Ramtron FM3130 is a chip with two separate devices inside,
587 RTC clock and FRAM. This driver provides only RTC functionality.
588
589 This driver can also be built as a module. If so the module
590 will be called rtc-fm3130.
591
Akshay Bhated13d892015-12-03 14:41:21 -0500592config RTC_DRV_RX8010
593 tristate "Epson RX8010SJ"
594 depends on I2C
595 help
596 If you say yes here you get support for the Epson RX8010SJ RTC
597 chip.
598
599 This driver can also be built as a module. If so, the module
600 will be called rtc-rx8010.
601
Martyn Welcha7fa9852008-11-12 13:27:06 -0800602config RTC_DRV_RX8581
603 tristate "Epson RX-8581"
604 help
605 If you say yes here you will get support for the Epson RX-8581.
606
607 This driver can also be built as a module. If so the module
608 will be called rtc-rx8581.
609
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700610config RTC_DRV_RX8025
611 tristate "Epson RX-8025SA/NB"
612 help
613 If you say yes here you get support for the Epson
614 RX-8025SA/NB RTC chips.
615
616 This driver can also be built as a module. If so, the module
617 will be called rtc-rx8025.
618
Mike Rapoportae3551f2011-05-26 16:25:04 -0700619config RTC_DRV_EM3027
620 tristate "EM Microelectronic EM3027"
621 help
622 If you say yes here you get support for the EM
623 Microelectronic EM3027 RTC chips.
624
625 This driver can also be built as a module. If so, the module
626 will be called rtc-em3027.
627
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100628config RTC_DRV_RV8803
Benoît Thébaudeau34166a02016-07-21 12:41:27 +0200629 tristate "Micro Crystal RV8803, Epson RX8900"
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100630 help
Benoît Thébaudeau34166a02016-07-21 12:41:27 +0200631 If you say yes here you get support for the Micro Crystal RV8803 and
632 Epson RX8900 RTC chips.
Alexandre Belloni1e3929e2015-11-02 23:48:32 +0100633
634 This driver can also be built as a module. If so, the module
635 will be called rtc-rv8803.
636
Sangbeom Kim5bccae6e2013-11-12 15:11:04 -0800637config RTC_DRV_S5M
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700638 tristate "Samsung S2M/S5M series"
Krzysztof Kozlowski959df772016-10-02 22:58:16 +0200639 depends on MFD_SEC_CORE || COMPILE_TEST
640 select REGMAP_IRQ
Sangbeom Kim5bccae6e2013-11-12 15:11:04 -0800641 help
642 If you say yes here you will get support for the
Krzysztof Kozlowski0c5deb12014-06-10 15:18:46 -0700643 RTC of Samsung S2MPS14 and S5M PMIC series.
Sangbeom Kim5bccae6e2013-11-12 15:11:04 -0800644
645 This driver can also be built as a module. If so, the module
646 will be called rtc-s5m.
647
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700648endif # I2C
649
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700650comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700651
652if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700653
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700654config RTC_DRV_M41T93
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200655 tristate "ST M41T93"
656 help
657 If you say yes here you will get support for the
658 ST M41T93 SPI RTC chip.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700659
Alexandre Belloni98ab2c92015-05-09 21:21:54 +0200660 This driver can also be built as a module. If so, the module
661 will be called rtc-m41t93.
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700662
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700663config RTC_DRV_M41T94
664 tristate "ST M41T94"
665 help
666 If you say yes here you will get support for the
667 ST M41T94 SPI RTC chip.
668
669 This driver can also be built as a module. If so, the module
670 will be called rtc-m41t94.
671
Sergey Yanovichd25a5ed2016-02-23 13:54:57 +0300672config RTC_DRV_DS1302
673 tristate "Dallas/Maxim DS1302"
674 depends on SPI
675 help
676 If you say yes here you get support for the Dallas DS1302 RTC chips.
677
678 This driver can also be built as a module. If so, the module
679 will be called rtc-ds1302.
680
David Brownell53e84b62008-07-23 21:30:36 -0700681config RTC_DRV_DS1305
682 tristate "Dallas/Maxim DS1305/DS1306"
683 help
684 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800685 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700686 charger, alarms, and NVRAM in addition to the clock.
687
688 This driver can also be built as a module. If so, the module
689 will be called rtc-ds1305.
690
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700691config RTC_DRV_DS1343
Raghavendra Ganiga0dd449b2014-06-06 14:36:00 -0700692 select REGMAP_SPI
Raghavendra Ganiga1d6316f2014-06-06 14:35:59 -0700693 tristate "Dallas/Maxim DS1343/DS1344"
694 help
695 If you say yes here you get support for the
696 Dallas/Maxim DS1343 and DS1344 real time clock chips.
697 Support for trickle charger, alarm is provided.
698
699 This driver can also be built as a module. If so, the module
700 will be called rtc-ds1343.
701
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700702config RTC_DRV_DS1347
Raghavendra Ganigaee85bb52016-08-31 22:56:41 +0530703 select REGMAP_SPI
Raghavendra Ganiga617b26a2014-04-03 14:50:16 -0700704 tristate "Dallas/Maxim DS1347"
705 help
706 If you say yes here you get support for the
707 Dallas/Maxim DS1347 chips.
708
709 This driver only supports the RTC feature, and not other chip
710 features such as alarms.
711
712 This driver can also be built as a module. If so, the module
713 will be called rtc-ds1347.
714
Mark Jackson06de1802008-11-12 13:27:07 -0800715config RTC_DRV_DS1390
716 tristate "Dallas/Maxim DS1390/93/94"
717 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800718 If you say yes here you get support for the
719 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800720
Ivan Grimaldifa395fb2015-09-18 17:27:57 +0200721 This driver supports the RTC feature and trickle charging but not
722 other chip features such as alarms.
Mark Jackson06de1802008-11-12 13:27:07 -0800723
724 This driver can also be built as a module. If so, the module
725 will be called rtc-ds1390.
726
Venkat Prashanth B U06776c82016-06-01 11:59:54 +0530727config RTC_DRV_MAX6916
728 tristate "Maxim MAX6916"
729 help
730 If you say yes here you will get support for the
731 Maxim MAX6916 SPI RTC chip.
732
733 This driver only supports the RTC feature, and not other chip
734 features such as alarms.
735
736 This driver can also be built as a module. If so, the module
737 will be called rtc-max6916.
738
Magnus Damm2805b962008-02-06 01:38:53 -0800739config RTC_DRV_R9701
740 tristate "Epson RTC-9701JE"
741 help
742 If you say yes here you will get support for the
743 Epson RTC-9701JE SPI RTC chip.
744
745 This driver can also be built as a module. If so, the module
746 will be called rtc-r9701.
747
Soren Brinkmannd0848852015-11-03 23:13:46 -0800748config RTC_DRV_RX4581
749 tristate "Epson RX-4581"
750 help
751 If you say yes here you will get support for the Epson RX-4581.
752
753 This driver can also be built as a module. If so the module
754 will be called rtc-rx4581.
755
756config RTC_DRV_RX6110
757 tristate "Epson RX-6110"
758 select REGMAP_SPI
759 help
760 If you say yes here you will get support for the Epson RX-6610.
761
762 This driver can also be built as a module. If so the module
763 will be called rtc-rx6110.
764
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700765config RTC_DRV_RS5C348
766 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700767 help
768 If you say yes here you get support for the
769 Ricoh RS5C348A and RS5C348B RTC chips.
770
771 This driver can also be built as a module. If so, the module
772 will be called rtc-rs5c348.
773
Soren Brinkmannd0848852015-11-03 23:13:46 -0800774config RTC_DRV_MAX6902
775 tristate "Maxim MAX6902"
776 help
777 If you say yes here you will get support for the
778 Maxim MAX6902 SPI RTC chip.
779
780 This driver can also be built as a module. If so, the module
781 will be called rtc-max6902.
782
Chris Verges7f3923a2009-09-22 16:46:20 -0700783config RTC_DRV_PCF2123
784 tristate "NXP PCF2123"
785 help
786 If you say yes here you get support for the NXP PCF2123
787 RTC chip.
788
789 This driver can also be built as a module. If so, the module
790 will be called rtc-pcf2123.
791
Josef Gajdusek1fcbe422014-06-06 14:36:02 -0700792config RTC_DRV_MCP795
793 tristate "Microchip MCP795"
794 help
795 If you say yes here you will get support for the Microchip MCP795.
796
797 This driver can also be built as a module. If so the module
798 will be called rtc-mcp795.
799
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700800endif # SPI_MASTER
801
Akinobu Mita080481f52016-03-07 00:27:48 +0900802#
803# Helper to resolve issues with configs that have SPI enabled but I2C
804# modular. See SND_SOC_I2C_AND_SPI for more information
805#
806config RTC_I2C_AND_SPI
807 tristate
808 default m if I2C=m
809 default y if I2C=y
810 default y if SPI_MASTER=y
811 select REGMAP_I2C if I2C
812 select REGMAP_SPI if SPI_MASTER
813
814comment "SPI and I2C RTC drivers"
815
816config RTC_DRV_DS3232
817 tristate "Dallas/Maxim DS3232/DS3234"
818 depends on RTC_I2C_AND_SPI
819 help
820 If you say yes here you get support for Dallas Semiconductor
821 DS3232 and DS3234 real-time clock chips. If an interrupt is associated
822 with the device, the alarm functionality is supported.
823
824 This driver can also be built as a module. If so, the module
825 will be called rtc-ds3232.
826
Kirill Esipovc35c4192017-06-28 14:29:09 +0300827config RTC_DRV_DS3232_HWMON
828 bool "HWMON support for Dallas/Maxim DS3232/DS3234"
829 depends on RTC_DRV_DS3232 && HWMON && !(RTC_DRV_DS3232=y && HWMON=m)
830 default y
831 help
832 Say Y here if you want to expose temperature sensor data on
833 rtc-ds3232
834
Akinobu Mita9408ec12016-03-14 23:45:00 +0900835config RTC_DRV_PCF2127
836 tristate "NXP PCF2127"
837 depends on RTC_I2C_AND_SPI
838 help
839 If you say yes here you get support for the NXP PCF2127/29 RTC
840 chips.
841
842 This driver can also be built as a module. If so, the module
843 will be called rtc-pcf2127.
844
Mylène Josserandc2a1c142016-05-03 11:54:34 +0200845config RTC_DRV_RV3029C2
846 tristate "Micro Crystal RV3029/3049"
847 depends on RTC_I2C_AND_SPI
848 help
849 If you say yes here you get support for the Micro Crystal
850 RV3029 and RV3049 RTC chips.
851
852 This driver can also be built as a module. If so, the module
853 will be called rtc-rv3029c2.
854
855config RTC_DRV_RV3029_HWMON
856 bool "HWMON support for RV3029/3049"
857 depends on RTC_DRV_RV3029C2 && HWMON
858 depends on !(RTC_DRV_RV3029C2=y && HWMON=m)
859 default y
860 help
861 Say Y here if you want to expose temperature sensor data on
862 rtc-rv3029.
863
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700864comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800865
Christoph Hellwig290cd0f2016-10-12 15:30:53 +0200866# this 'CMOS' RTC driver is arch dependent because it requires
867# <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
David Brownell7be2c7c2007-02-10 01:46:02 -0800868# global rtc_lock ... it's not yet just another platform_device.
869
870config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700871 tristate "PC-style 'CMOS'"
Arnd Bergmanna687a532018-03-07 23:30:54 +0100872 depends on X86 || ARM || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700873 default y if X86
Arnd Bergmannd6faca42016-06-01 16:46:23 +0200874 select RTC_MC146818_LIB
David Brownell7be2c7c2007-02-10 01:46:02 -0800875 help
876 Say "yes" here to get direct support for the real time clock
877 found in every PC or ACPI-based system, and some other boards.
878 Specifically the original MC146818, compatibles like those in
879 PC south bridges, the DS12887 or M48T86, some multifunction
880 or LPC bus chips, and so on.
881
882 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800883 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800884 you can safely enable this driver if you don't know whether
885 or not your board has this kind of hardware.
886
887 This driver can also be built as a module. If so, the module
888 will be called rtc-cmos.
889
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700890config RTC_DRV_ALPHA
891 bool "Alpha PC-style CMOS"
892 depends on ALPHA
Arnd Bergmannd6faca42016-06-01 16:46:23 +0200893 select RTC_MC146818_LIB
Richard Henderson85d0b3a2013-07-13 15:49:45 -0700894 default y
895 help
896 Direct support for the real-time clock found on every Alpha
897 system, specifically MC146818 compatibles. If in doubt, say Y.
898
Feng Tang0146f262010-11-10 17:29:17 +0000899config RTC_DRV_VRTC
Alan Cox933b9462011-12-17 17:43:40 +0000900 tristate "Virtual RTC for Intel MID platforms"
901 depends on X86_INTEL_MID
902 default y if X86_INTEL_MID
Feng Tang0146f262010-11-10 17:29:17 +0000903
904 help
905 Say "yes" here to get direct support for the real time clock
906 found on Moorestown platforms. The VRTC is a emulated RTC that
907 derives its clock source from a real RTC in the PMIC. The MC146818
908 style programming interface is mostly conserved, but any
909 updates are done via IPC calls to the system controller FW.
910
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700911config RTC_DRV_DS1216
912 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700913 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700914 help
915 If you say yes here you get support for the Dallas DS1216 RTC chips.
916
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200917config RTC_DRV_DS1286
918 tristate "Dallas DS1286"
Chen Gang706b6322014-10-13 15:53:14 -0700919 depends on HAS_IOMEM
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200920 help
921 If you say yes here you get support for the Dallas DS1286 RTC chips.
922
Andrew Sharp8f267952008-02-06 01:38:46 -0800923config RTC_DRV_DS1511
924 tristate "Dallas DS1511"
Chen Gang706b6322014-10-13 15:53:14 -0700925 depends on HAS_IOMEM
Andrew Sharp8f267952008-02-06 01:38:46 -0800926 help
927 If you say yes here you get support for the
928 Dallas DS1511 timekeeping/watchdog chip.
929
930 This driver can also be built as a module. If so, the module
931 will be called rtc-ds1511.
932
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700933config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800934 tristate "Maxim/Dallas DS1553"
Chen Gang706b6322014-10-13 15:53:14 -0700935 depends on HAS_IOMEM
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700936 help
937 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800938 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700939
940 This driver can also be built as a module. If so, the module
941 will be called rtc-ds1553.
942
Joshua Kinardaaaf5fb2015-02-16 16:00:26 -0800943config RTC_DRV_DS1685_FAMILY
944 tristate "Dallas/Maxim DS1685 Family"
945 help
946 If you say yes here you get support for the Dallas/Maxim DS1685
947 family of real time chips. This family includes the DS1685/DS1687,
948 DS1689/DS1693, DS17285/DS17287, DS17485/DS17487, and
949 DS17885/DS17887 chips.
950
951 This driver can also be built as a module. If so, the module
952 will be called rtc-ds1685.
953
954choice
955 prompt "Subtype"
956 depends on RTC_DRV_DS1685_FAMILY
957 default RTC_DRV_DS1685
958
959config RTC_DRV_DS1685
960 bool "DS1685/DS1687"
961 help
962 This enables support for the Dallas/Maxim DS1685/DS1687 real time
963 clock chip.
964
965 This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30)
966 systems, as well as EPPC-405-UC modules by electronic system design
967 GmbH.
968
969config RTC_DRV_DS1689
970 bool "DS1689/DS1693"
971 help
972 This enables support for the Dallas/Maxim DS1689/DS1693 real time
973 clock chip.
974
975 This is an older RTC chip, supplanted by the DS1685/DS1687 above,
976 which supports a few minor features such as Vcc, Vbat, and Power
977 Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
978
979 It also works for the even older DS1688/DS1691 RTC chips, which are
980 virtually the same and carry the same model number. Both chips
981 have 114 bytes of user NVRAM.
982
983config RTC_DRV_DS17285
984 bool "DS17285/DS17287"
985 help
986 This enables support for the Dallas/Maxim DS17285/DS17287 real time
987 clock chip.
988
989 This chip features 2kb of extended NV-SRAM. It may possibly be
990 found in some SGI O2 systems (rare).
991
992config RTC_DRV_DS17485
993 bool "DS17485/DS17487"
994 help
995 This enables support for the Dallas/Maxim DS17485/DS17487 real time
996 clock chip.
997
998 This chip features 4kb of extended NV-SRAM.
999
1000config RTC_DRV_DS17885
1001 bool "DS17885/DS17887"
1002 help
1003 This enables support for the Dallas/Maxim DS17885/DS17887 real time
1004 clock chip.
1005
1006 This chip features 8kb of extended NV-SRAM.
1007
1008endchoice
1009
1010config RTC_DS1685_PROC_REGS
1011 bool "Display register values in /proc"
1012 depends on RTC_DRV_DS1685_FAMILY && PROC_FS
1013 help
1014 Enable this to display a readout of all of the RTC registers in
1015 /proc/drivers/rtc. Keep in mind that this can potentially lead
1016 to lost interrupts, as reading Control Register C will clear
1017 all pending IRQ flags.
1018
1019 Unless you are debugging this driver, choose N.
1020
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -08001021config RTC_DRV_DS1742
1022 tristate "Maxim/Dallas DS1742/1743"
Chen Gang706b6322014-10-13 15:53:14 -07001023 depends on HAS_IOMEM
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -08001024 help
1025 If you say yes here you get support for the
1026 Maxim/Dallas DS1742/1743 timekeeping chip.
1027
1028 This driver can also be built as a module. If so, the module
1029 will be called rtc-ds1742.
1030
Jean Delvaread0200f2014-08-08 14:20:03 -07001031config RTC_DRV_DS2404
1032 tristate "Maxim/Dallas DS2404"
1033 help
1034 If you say yes here you get support for the
1035 Dallas DS2404 RTC chip.
1036
1037 This driver can also be built as a module. If so, the module
1038 will be called rtc-ds2404.
1039
Ashish Jangamfef931f2012-03-23 15:02:36 -07001040config RTC_DRV_DA9052
1041 tristate "Dialog DA9052/DA9053 RTC"
1042 depends on PMIC_DA9052
1043 help
1044 Say y here to support the RTC driver for Dialog Semiconductor
1045 DA9052-BC and DA9053-AA/Bx PMICs.
1046
Ashish Jangam6920d992012-12-17 16:02:53 -08001047config RTC_DRV_DA9055
1048 tristate "Dialog Semiconductor DA9055 RTC"
1049 depends on MFD_DA9055
1050 help
1051 If you say yes here you will get support for the
1052 RTC of the Dialog DA9055 PMIC.
1053
1054 This driver can also be built as a module. If so, the module
1055 will be called rtc-da9055
1056
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001057config RTC_DRV_DA9063
S Twiss80ca3272015-07-21 11:29:07 +01001058 tristate "Dialog Semiconductor DA9063/DA9062 RTC"
1059 depends on MFD_DA9063 || MFD_DA9062
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001060 help
1061 If you say yes here you will get support for the RTC subsystem
S Twiss80ca3272015-07-21 11:29:07 +01001062 for the Dialog Semiconductor PMIC chips DA9063 and DA9062.
Opensource [Steve Twiss]c2a57552014-06-06 14:36:03 -07001063
1064 This driver can also be built as a module. If so, the module
1065 will be called "rtc-da9063".
1066
dann frazier5e3fd9e2009-03-31 15:24:48 -07001067config RTC_DRV_EFI
1068 tristate "EFI RTC"
Matt Fleming7efe6652014-10-03 13:06:33 +01001069 depends on EFI && !X86
dann frazier5e3fd9e2009-03-31 15:24:48 -07001070 help
1071 If you say yes here you will get support for the EFI
1072 Real Time Clock.
1073
1074 This driver can also be built as a module. If so, the module
1075 will be called rtc-efi.
1076
Thomas Hommel02964112007-07-21 04:37:58 -07001077config RTC_DRV_STK17TA8
1078 tristate "Simtek STK17TA8"
Chen Gang706b6322014-10-13 15:53:14 -07001079 depends on HAS_IOMEM
Thomas Hommel02964112007-07-21 04:37:58 -07001080 help
1081 If you say yes here you get support for the
1082 Simtek STK17TA8 timekeeping chip.
1083
1084 This driver can also be built as a module. If so, the module
1085 will be called rtc-stk17ta8.
1086
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001087config RTC_DRV_M48T86
1088 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001089 help
1090 If you say Y here you will get support for the
1091 ST M48T86 and Dallas DS12887 RTC chips.
1092
1093 This driver can also be built as a module. If so, the module
1094 will be called rtc-m48t86.
1095
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +02001096config RTC_DRV_M48T35
1097 tristate "ST M48T35"
Chen Gang706b6322014-10-13 15:53:14 -07001098 depends on HAS_IOMEM
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +02001099 help
1100 If you say Y here you will get support for the
1101 ST M48T35 RTC chip.
1102
1103 This driver can also be built as a module, if so, the module
1104 will be called "rtc-m48t35".
1105
Mark Zhan2e774c72007-07-17 04:05:05 -07001106config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -07001107 tristate "ST M48T59/M48T08/M48T02"
Chen Gang706b6322014-10-13 15:53:14 -07001108 depends on HAS_IOMEM
Mark Zhan2e774c72007-07-17 04:05:05 -07001109 help
1110 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -07001111 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
1112
1113 These chips are usually found in Sun SPARC and UltraSPARC
1114 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -07001115
1116 This driver can also be built as a module, if so, the module
1117 will be called "rtc-m48t59".
1118
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001119config RTC_DRV_MSM6242
1120 tristate "Oki MSM6242"
Chen Gang706b6322014-10-13 15:53:14 -07001121 depends on HAS_IOMEM
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +01001122 help
1123 If you say yes here you get support for the Oki MSM6242
1124 timekeeping chip. It is used in some Amiga models (e.g. A2000).
1125
1126 This driver can also be built as a module. If so, the module
1127 will be called rtc-msm6242.
1128
David S. Millercca4c232008-08-29 01:29:53 -07001129config RTC_DRV_BQ4802
1130 tristate "TI BQ4802"
Chen Gang706b6322014-10-13 15:53:14 -07001131 depends on HAS_IOMEM
David S. Millercca4c232008-08-29 01:29:53 -07001132 help
1133 If you say Y here you will get support for the TI
1134 BQ4802 RTC chip.
1135
1136 This driver can also be built as a module. If so, the module
1137 will be called rtc-bq4802.
1138
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001139config RTC_DRV_RP5C01
1140 tristate "Ricoh RP5C01"
Chen Gang706b6322014-10-13 15:53:14 -07001141 depends on HAS_IOMEM
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +01001142 help
1143 If you say yes here you get support for the Ricoh RP5C01
1144 timekeeping chip. It is used in some Amiga models (e.g. A3000
1145 and A4000).
1146
1147 This driver can also be built as a module. If so, the module
1148 will be called rtc-rp5c01.
1149
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001150config RTC_DRV_V3020
1151 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001152 help
1153 If you say yes here you will get support for the
1154 EM Microelectronic v3020 RTC chip.
1155
1156 This driver can also be built as a module. If so, the module
1157 will be called rtc-v3020.
1158
Mark Brown35c86bf2009-08-27 19:59:05 +02001159config RTC_DRV_WM831X
1160 tristate "Wolfson Microelectronics WM831x RTC"
1161 depends on MFD_WM831X
1162 help
1163 If you say yes here you will get support for the RTC subsystem
1164 of the Wolfson Microelectronics WM831X series PMICs.
1165
1166 This driver can also be built as a module. If so, the module
1167 will be called "rtc-wm831x".
1168
Mark Brown077eaf52008-11-12 13:27:04 -08001169config RTC_DRV_WM8350
1170 tristate "Wolfson Microelectronics WM8350 RTC"
1171 depends on MFD_WM8350
1172 help
1173 If you say yes here you will get support for the RTC subsystem
1174 of the Wolfson Microelectronics WM8350.
1175
1176 This driver can also be built as a module. If so, the module
1177 will be called "rtc-wm8350".
1178
Baolin Wang495bbde2017-11-09 11:34:17 +08001179config RTC_DRV_SC27XX
1180 tristate "Spreadtrum SC27xx RTC"
1181 depends on MFD_SC27XX_PMIC || COMPILE_TEST
1182 help
1183 If you say Y here you will get support for the RTC subsystem
1184 of the Spreadtrum SC27xx series PMICs. The SC27xx series PMICs
1185 includes the SC2720, SC2721, SC2723, SC2730 and SC2731 chips.
1186
1187 This driver can also be built as a module. If so, the module
1188 will be called rtc-sc27xx.
1189
Rajeev Kumar0942a712011-05-26 16:25:09 -07001190config RTC_DRV_SPEAR
1191 tristate "SPEAR ST RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001192 depends on PLAT_SPEAR || COMPILE_TEST
Rajeev Kumar0942a712011-05-26 16:25:09 -07001193 default y
1194 help
1195 If you say Y here you will get support for the RTC found on
1196 spear
1197
Balaji Raoeae854b2009-01-09 01:50:51 +01001198config RTC_DRV_PCF50633
1199 depends on MFD_PCF50633
1200 tristate "NXP PCF50633 RTC"
1201 help
1202 If you say yes here you get support for the RTC subsystem of the
1203 NXP PCF50633 used in embedded systems.
1204
Linus Walleijbd207cf2009-08-30 23:49:04 +02001205config RTC_DRV_AB3100
1206 tristate "ST-Ericsson AB3100 RTC"
1207 depends on AB3100_CORE
1208 default y if AB3100_CORE
1209 help
1210 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
1211 support. This chip contains a battery- and capacitor-backed RTC.
1212
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001213config RTC_DRV_AB8500
1214 tristate "ST-Ericsson AB8500 RTC"
1215 depends on AB8500_CORE
Ulf Hansson651fb482012-10-04 17:14:32 -07001216 select RTC_INTF_DEV
Ramesh Chandrasekarandc43d4a2012-07-30 14:41:41 -07001217 select RTC_INTF_DEV_UIE_EMUL
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -07001218 help
1219 Select this to enable the ST-Ericsson AB8500 power management IC RTC
1220 support. This chip contains a battery- and capacitor-backed RTC.
1221
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001222config RTC_DRV_NUC900
1223 tristate "NUC910/NUC920 RTC driver"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001224 depends on ARCH_W90X900 || COMPILE_TEST
Wan ZongShunafd49a7e2009-12-15 16:46:17 -08001225 help
1226 If you say yes here you get support for the RTC subsystem of the
1227 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +02001228
Neelesh Gupta16b1d262014-10-14 14:08:36 +05301229config RTC_DRV_OPAL
1230 tristate "IBM OPAL RTC driver"
1231 depends on PPC_POWERNV
1232 default y
1233 help
1234 If you say yes here you get support for the PowerNV platform RTC
1235 driver based on OPAL interfaces.
1236
1237 This driver can also be built as a module. If so, the module
1238 will be called rtc-opal.
1239
Suneel Garapati11143c12015-08-19 15:23:22 +05301240config RTC_DRV_ZYNQMP
1241 tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
1242 depends on OF
1243 help
1244 If you say yes here you get support for the RTC controller found on
1245 Xilinx Zynq Ultrascale+ MPSoC.
1246
Stephen Barber6f2a71a2017-11-10 22:55:53 +01001247config RTC_DRV_CROS_EC
1248 tristate "Chrome OS EC RTC driver"
1249 depends on MFD_CROS_EC
1250 help
1251 If you say yes here you will get support for the
1252 Chrome OS Embedded Controller's RTC.
1253
1254 This driver can also be built as a module. If so, the module
1255 will be called rtc-cros-ec.
1256
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001257comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001258
Oleksij Rempel125e5502016-02-02 20:56:10 +01001259config RTC_DRV_ASM9260
1260 tristate "Alphascale asm9260 RTC"
Alexandre Belloni7f742e82016-08-31 18:15:27 +02001261 depends on MACH_ASM9260 || COMPILE_TEST
Oleksij Rempel125e5502016-02-02 20:56:10 +01001262 help
1263 If you say yes here you get support for the RTC on the
1264 Alphascale asm9260 SoC.
1265
1266 This driver can also be built as a module. If so, the module
1267 will be called rtc-asm9260.
1268
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -06001269config RTC_DRV_DAVINCI
1270 tristate "TI DaVinci RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001271 depends on ARCH_DAVINCI_DM365 || COMPILE_TEST
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -06001272 help
1273 If you say yes here you get support for the RTC on the
1274 DaVinci platforms (DM365).
1275
1276 This driver can also be built as a module. If so, the module
1277 will be called rtc-davinci.
1278
Baruch Siachba172202015-04-16 12:45:40 -07001279config RTC_DRV_DIGICOLOR
1280 tristate "Conexant Digicolor RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001281 depends on ARCH_DIGICOLOR || COMPILE_TEST
Baruch Siachba172202015-04-16 12:45:40 -07001282 help
1283 If you say yes here you get support for the RTC on Conexant
1284 Digicolor platforms. This currently includes the CX92755 SoC.
1285
1286 This driver can also be built as a module. If so, the module
1287 will be called rtc-digicolor.
1288
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001289config RTC_DRV_IMXDI
1290 tristate "Freescale IMX DryIce Real Time Clock"
Roland Stiggeef216ad2012-12-17 16:02:22 -08001291 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001292 help
1293 Support for Freescale IMX DryIce RTC
1294
1295 This driver can also be built as a module, if so, the module
1296 will be called "rtc-imxdi".
1297
David Brownelldb68b182006-12-06 20:38:36 -08001298config RTC_DRV_OMAP
Lokesh Vutla86089762015-04-16 12:46:03 -07001299 tristate "TI OMAP Real Time Clock"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001300 depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST
Marcin Niestroj97ea1902016-09-16 11:26:28 +02001301 depends on OF
1302 depends on PINCTRL
1303 select GENERIC_PINCONF
David Brownelldb68b182006-12-06 20:38:36 -08001304 help
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001305 Say "yes" here to support the on chip real time clock
Lokesh Vutla86089762015-04-16 12:46:03 -07001306 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
Afzal Mohammed427af9a2012-12-17 16:02:17 -08001307
1308 This driver can also be built as a module, if so, module
1309 will be called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -08001310
Atul Dahiya16f4efe2010-07-20 16:38:49 +05301311config HAVE_S3C_RTC
1312 bool
1313 help
1314 This will include RTC support for Samsung SoCs. If
1315 you want to include RTC support for any machine, kindly
1316 select this in the respective mach-XXXX/Kconfig file.
1317
Ben Dooks1add6782006-07-01 04:36:26 -07001318config RTC_DRV_S3C
1319 tristate "Samsung S3C series SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001320 depends on ARCH_S3C64XX || HAVE_S3C_RTC || COMPILE_TEST
Ben Dooks1add6782006-07-01 04:36:26 -07001321 help
1322 RTC (Realtime Clock) driver for the clock inbuilt into the
1323 Samsung S3C24XX series of SoCs. This can provide periodic
1324 interrupt rates from 1Hz to 64Hz for user programs, and
1325 wakeup from Alarm.
1326
1327 The driver currently supports the common features on all the
1328 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
1329 and S3C2442.
1330
1331 This driver can also be build as a module. If so, the module
1332 will be called rtc-s3c.
1333
Alessandro Zummofd507e22006-03-27 01:16:45 -08001334config RTC_DRV_EP93XX
1335 tristate "Cirrus Logic EP93XX"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001336 depends on ARCH_EP93XX || COMPILE_TEST
Alessandro Zummofd507e22006-03-27 01:16:45 -08001337 help
1338 If you say yes here you get support for the
1339 RTC embedded in the Cirrus Logic EP93XX processors.
1340
1341 This driver can also be built as a module. If so, the module
1342 will be called rtc-ep93xx.
1343
Richard Purdiee842f1c2006-03-27 01:16:46 -08001344config RTC_DRV_SA1100
Haojian Zhuang3888c092012-02-21 11:51:13 +08001345 tristate "SA11x0/PXA2xx/PXA910"
1346 depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
Richard Purdiee842f1c2006-03-27 01:16:46 -08001347 help
1348 If you say Y here you will get access to the real time clock
1349 built into your SA11x0 or PXA2xx CPU.
1350
1351 To compile this driver as a module, choose M here: the
1352 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -08001353
Paul Mundt317a6102006-09-27 17:13:19 +09001354config RTC_DRV_SH
1355 tristate "SuperH On-Chip RTC"
Chris Brandtdab5aec2017-03-29 10:30:29 -07001356 depends on SUPERH || ARCH_RENESAS
Paul Mundt317a6102006-09-27 17:13:19 +09001357 help
1358 Say Y here to enable support for the on-chip RTC found in
Chris Brandtdab5aec2017-03-29 10:30:29 -07001359 most SuperH processors. This RTC is also found in RZ/A SoCs.
Paul Mundt317a6102006-09-27 17:13:19 +09001360
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001361 To compile this driver as a module, choose M here: the
Paul Mundt317a6102006-09-27 17:13:19 +09001362 module will be called rtc-sh.
1363
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001364config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001365 tristate "NEC VR41XX"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001366 depends on CPU_VR41XX || COMPILE_TEST
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -07001367 help
1368 If you say Y here you will get access to the real time clock
1369 built into your NEC VR41XX CPU.
1370
1371 To compile this driver as a module, choose M here: the
1372 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -07001373
Russell Kinga1909012008-04-20 12:08:36 +01001374config RTC_DRV_PL030
1375 tristate "ARM AMBA PL030 RTC"
1376 depends on ARM_AMBA
1377 help
1378 If you say Y here you will get access to ARM AMBA
1379 PrimeCell PL030 RTC found on certain ARM SOCs.
1380
1381 To compile this driver as a module, choose M here: the
1382 module will be called rtc-pl030.
1383
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001384config RTC_DRV_PL031
1385 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001386 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001387 help
1388 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -07001389 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -07001390
1391 To compile this driver as a module, choose M here: the
1392 module will be called rtc-pl031.
1393
Andrew Victor7fc39f62006-12-10 02:19:03 -08001394config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001395 tristate "AT91RM9200 or some AT91SAM9 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001396 depends on ARCH_AT91 || COMPILE_TEST
Andrew Victor788b1fc2006-06-25 05:48:27 -07001397 help
David Brownell4cdf8542008-02-06 01:38:59 -08001398 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +02001399 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -08001400 this is powered by the backup power supply.
1401
1402config RTC_DRV_AT91SAM9
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001403 tristate "AT91SAM9 RTT as RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001404 depends on ARCH_AT91 || COMPILE_TEST
Masahiro Yamadae22e2d92018-03-06 20:08:11 +09001405 depends on HAS_IOMEM
Boris BREZILLON43e112b2014-09-23 13:14:44 +02001406 select MFD_SYSCON
David Brownell4cdf8542008-02-06 01:38:59 -08001407 help
Boris BREZILLON3969eb42014-09-23 13:16:05 +02001408 Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
1409 can be used as an RTC thanks to the backup power supply (e.g. a
1410 small coin cell battery) which keeps this block and the GPBR
1411 (General Purpose Backup Registers) block powered when the device
1412 is shutdown.
1413 Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
1414 probably want to use the real RTC block instead of the "RTT as an
1415 RTC" driver.
David Brownell4cdf8542008-02-06 01:38:59 -08001416
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001417config RTC_DRV_AU1XXX
1418 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +02001419 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -08001420 help
1421 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1422 counter) to be used as a RTC.
1423
1424 This driver can also be built as a module. If so, the module
1425 will be called rtc-au1xxx.
1426
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001427config RTC_DRV_RS5C313
1428 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001429 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -07001430 help
1431 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1432
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001433config RTC_DRV_GENERIC
1434 tristate "Generic RTC support"
1435 # Please consider writing a new RTC driver instead of using the generic
1436 # RTC abstraction
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001437 depends on PARISC || M68K || PPC || SUPERH32 || COMPILE_TEST
Kyle McMartin9eb16862008-09-10 14:24:07 +00001438 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +01001439 Say Y or M here to enable RTC support on systems using the generic
1440 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +00001441 just say Y.
1442
Robert Jarzmikdc944362009-01-06 14:42:14 -08001443config RTC_DRV_PXA
Alexandre Belloni832315b2016-03-10 05:46:18 +01001444 tristate "PXA27x/PXA3xx"
1445 depends on ARCH_PXA
1446 select RTC_DRV_SA1100
1447 help
Rob Herring3cdf4ad2015-05-13 09:20:04 -05001448 If you say Y here you will get access to the real time clock
1449 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1450 consisting of an SA1100 compatible RTC and the extended PXA RTC.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001451
Alexandre Belloni98ab2c92015-05-09 21:21:54 +02001452 This RTC driver uses PXA RTC registers available since pxa27x
1453 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
Robert Jarzmikdc944362009-01-06 14:42:14 -08001454
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001455config RTC_DRV_VT8500
1456 tristate "VIA/WonderMedia 85xx SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001457 depends on ARCH_VT8500 || COMPILE_TEST
Alexey Charkovf77fbdf2011-05-26 16:25:03 -07001458 help
1459 If you say Y here you will get access to the real time clock
1460 built into your VIA VT8500 SoC or its relatives.
1461
Robert Jarzmikdc944362009-01-06 14:42:14 -08001462
David S. Miller7a138ed2008-08-29 01:32:43 -07001463config RTC_DRV_SUN4V
1464 bool "SUN4V Hypervisor RTC"
1465 depends on SPARC64
1466 help
1467 If you say Y here you will get support for the Hypervisor
1468 based RTC on SUN4V systems.
1469
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001470config RTC_DRV_SUN6I
Maxime Ripard37539412017-01-23 11:41:46 +01001471 bool "Allwinner A31 RTC"
Alexandre Belloni93946c42017-02-01 12:54:13 +01001472 default MACH_SUN6I || MACH_SUN8I
1473 depends on COMMON_CLK
1474 depends on ARCH_SUNXI || COMPILE_TEST
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001475 help
Andre Przywara28639342016-02-01 17:39:22 +00001476 If you say Y here you will get support for the RTC found in
1477 some Allwinner SoCs like the A31 or the A64.
Chen-Yu Tsai9765d2d2014-08-26 11:54:55 +08001478
Carlo Caione594c6fb2013-11-16 18:33:54 +01001479config RTC_DRV_SUNXI
1480 tristate "Allwinner sun4i/sun7i RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001481 depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST
Carlo Caione594c6fb2013-11-16 18:33:54 +01001482 help
1483 If you say Y here you will get support for the RTC found on
1484 Allwinner A10/A20.
1485
David S. Millerde2cf332008-08-28 23:02:36 -07001486config RTC_DRV_STARFIRE
1487 bool "Starfire RTC"
1488 depends on SPARC64
1489 help
1490 If you say Y here you will get support for the RTC found on
1491 Starfire systems.
1492
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001493config RTC_DRV_TX4939
1494 tristate "TX4939 SoC"
Alexandre Bellonifaec5f72018-02-12 23:47:56 +01001495 depends on SOC_TX4939 || COMPILE_TEST
Atsushi Nemoto0e149232009-01-06 14:42:22 -08001496 help
1497 Driver for the internal RTC (Realtime Clock) module found on
1498 Toshiba TX4939 SoC.
1499
Saeed Bisharadefb4512009-01-06 14:42:24 -08001500config RTC_DRV_MV
1501 tristate "Marvell SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001502 depends on ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST
Saeed Bisharadefb4512009-01-06 14:42:24 -08001503 help
1504 If you say yes here you will get support for the in-chip RTC
1505 that can be found in some of Marvell's SoC devices, such as
1506 the Kirkwood 88F6281 and 88F6192.
1507
1508 This driver can also be built as a module. If so, the module
1509 will be called rtc-mv.
1510
Gregory CLEMENTa3a42802015-02-13 14:41:11 -08001511config RTC_DRV_ARMADA38X
1512 tristate "Armada 38x Marvell SoC RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001513 depends on ARCH_MVEBU || COMPILE_TEST
Gregory CLEMENTa3a42802015-02-13 14:41:11 -08001514 help
1515 If you say yes here you will get support for the in-chip RTC
1516 that can be found in the Armada 38x Marvell's SoC device
1517
1518 This driver can also be built as a module. If so, the module
1519 will be called armada38x-rtc.
1520
Linus Walleij1d61d252017-05-30 09:53:32 +02001521config RTC_DRV_FTRTC010
1522 tristate "Faraday Technology FTRTC010 RTC"
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001523 depends on HAS_IOMEM
Linus Walleij1d61d252017-05-30 09:53:32 +02001524 default ARCH_GEMINI
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001525 help
1526 If you say Y here you will get support for the
Linus Walleij1d61d252017-05-30 09:53:32 +02001527 Faraday Technolog FTRTC010 found on e.g. Gemini SoC's.
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001528
1529 This driver can also be built as a module. If so, the module
Linus Walleij1d61d252017-05-30 09:53:32 +02001530 will be called rtc-ftrtc010.
Hans Ulli Kroll98a9bb52015-05-20 17:49:31 +02001531
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +01001532config RTC_DRV_PS3
1533 tristate "PS3 RTC"
1534 depends on PPC_PS3
1535 help
1536 If you say yes here you will get support for the RTC on PS3.
1537
1538 This driver can also be built as a module. If so, the module
1539 will be called rtc-ps3.
1540
Linus Walleijaa958f52009-09-22 16:46:24 -07001541config RTC_DRV_COH901331
1542 tristate "ST-Ericsson COH 901 331 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001543 depends on ARCH_U300 || COMPILE_TEST
Linus Walleijaa958f52009-09-22 16:46:24 -07001544 help
1545 If you say Y here you will get access to ST-Ericsson
1546 COH 901 331 RTC clock found in some ST-Ericsson Mobile
1547 Platforms.
1548
1549 This driver can also be built as a module. If so, the module
1550 will be called "rtc-coh901331".
1551
1552
dmitry pervushindf17f632009-09-22 16:46:26 -07001553config RTC_DRV_STMP
Wolfram Sang46b21212011-05-25 12:56:50 +02001554 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001555 depends on ARCH_MXS || COMPILE_TEST
Alexandre Belloni20d048a2015-05-03 11:29:44 +02001556 select STMP_DEVICE
dmitry pervushindf17f632009-09-22 16:46:26 -07001557 help
1558 If you say yes here you will get support for the onboard
Wolfram Sang46b21212011-05-25 12:56:50 +02001559 STMP3xxx/i.MX23/i.MX28 RTC.
dmitry pervushindf17f632009-09-22 16:46:26 -07001560
1561 This driver can also be built as a module. If so, the module
1562 will be called rtc-stmp3xxx.
1563
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -07001564config RTC_DRV_PCAP
1565 tristate "PCAP RTC"
1566 depends on EZX_PCAP
1567 help
1568 If you say Y here you will get support for the RTC found on
1569 the PCAP2 ASIC used on some Motorola phones.
1570
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001571config RTC_DRV_MC13XXX
1572 depends on MFD_MC13XXX
1573 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001574 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001575 This enables support for the RTCs found on Freescale's PMICs
1576 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001577
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001578config RTC_DRV_MPC5121
1579 tristate "Freescale MPC5121 built-in RTC"
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001580 depends on PPC_MPC512x || PPC_MPC52xx
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001581 help
1582 If you say yes here you will get support for the
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001583 built-in RTC on MPC5121 or on MPC5200.
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001584
1585 This driver can also be built as a module. If so, the module
1586 will be called rtc-mpc5121.
1587
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001588config RTC_DRV_JZ4740
Alexandre Belloni586655d2017-01-25 00:44:16 +01001589 tristate "Ingenic JZ4740 SoC"
Paul Cercueilcd563202016-10-31 21:39:45 +01001590 depends on MACH_INGENIC || COMPILE_TEST
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001591 help
Paul Cercueilcd563202016-10-31 21:39:45 +01001592 If you say yes here you get support for the Ingenic JZ47xx SoCs RTC
1593 controllers.
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001594
Mathieu Malaterreb9ef8602018-05-23 21:58:14 +02001595 This driver can also be built as a module. If so, the module
Alexandre Belloni586655d2017-01-25 00:44:16 +01001596 will be called rtc-jz4740.
1597
Joachim Eastwoodc28b42e2015-07-11 19:28:49 +02001598config RTC_DRV_LPC24XX
1599 tristate "NXP RTC for LPC178x/18xx/408x/43xx"
1600 depends on ARCH_LPC18XX || COMPILE_TEST
1601 depends on OF && HAS_IOMEM
1602 help
1603 This enables support for the NXP RTC found which can be found on
1604 NXP LPC178x/18xx/408x/43xx devices.
1605
1606 If you have one of the devices above enable this driver to use
Alexandre Belloni72d3d792016-11-08 22:51:45 +01001607 the hardware RTC. This driver can also be built as a module. If
Joachim Eastwoodc28b42e2015-07-11 19:28:49 +02001608 so, the module will be called rtc-lpc24xx.
1609
Kevin Wells9aa449b2010-10-27 15:33:01 -07001610config RTC_DRV_LPC32XX
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001611 depends on ARCH_LPC32XX || COMPILE_TEST
Kevin Wells9aa449b2010-10-27 15:33:01 -07001612 tristate "NXP LPC32XX RTC"
1613 help
1614 This enables support for the NXP RTC in the LPC32XX
1615
Alexandre Belloni72d3d792016-11-08 22:51:45 +01001616 This driver can also be built as a module. If so, the module
Kevin Wells9aa449b2010-10-27 15:33:01 -07001617 will be called rtc-lpc32xx.
1618
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001619config RTC_DRV_PM8XXX
1620 tristate "Qualcomm PMIC8XXX RTC"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001621 depends on MFD_PM8XXX || MFD_SPMI_PMIC || COMPILE_TEST
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001622 help
1623 If you say yes here you get support for the
1624 Qualcomm PMIC8XXX RTC.
1625
1626 To compile this driver as a module, choose M here: the
1627 module will be called rtc-pm8xxx.
1628
Andrew Chewff859ba2011-03-22 16:34:55 -07001629config RTC_DRV_TEGRA
1630 tristate "NVIDIA Tegra Internal RTC driver"
Alexandre Belloni7a587ea2015-05-03 11:00:57 +02001631 depends on ARCH_TEGRA || COMPILE_TEST
Andrew Chewff859ba2011-03-22 16:34:55 -07001632 help
1633 If you say yes here you get support for the
1634 Tegra 200 series internal RTC module.
1635
1636 This drive can also be built as a module. If so, the module
1637 will be called rtc-tegra.
1638
Guan Xuetao2809e802011-05-26 16:43:27 +08001639config RTC_DRV_PUV3
1640 tristate "PKUnity v3 RTC support"
1641 depends on ARCH_PUV3
1642 help
1643 This enables support for the RTC in the PKUnity-v3 SoCs.
1644
1645 This drive can also be built as a module. If so, the module
1646 will be called rtc-puv3.
1647
zhao zhangb4f0b882012-03-23 15:02:32 -07001648config RTC_DRV_LOONGSON1
1649 tristate "loongson1 RTC support"
Huacai Chen30ad29b2015-04-21 10:00:35 +08001650 depends on MACH_LOONGSON32
zhao zhangb4f0b882012-03-23 15:02:32 -07001651 help
1652 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1653 counter) to be used as a RTC.
1654
1655 This driver can also be built as a module. If so, the module
1656 will be called rtc-ls1x.
1657
Fabio Estevam79811592012-05-29 15:07:37 -07001658config RTC_DRV_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001659 tristate "Freescale MXC Real Time Clock"
1660 depends on ARCH_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001661 help
1662 If you say yes here you get support for the Freescale MXC
1663 RTC module.
1664
1665 This driver can also be built as a module, if so, the module
1666 will be called "rtc-mxc".
1667
Patrick Bruenn83c880f2017-12-18 12:51:32 +01001668config RTC_DRV_MXC_V2
1669 tristate "Freescale MXC Real Time Clock for i.MX53"
1670 depends on ARCH_MXC
1671 help
1672 If you say yes here you get support for the Freescale MXC
1673 SRTC module in i.MX53 processor.
1674
1675 This driver can also be built as a module, if so, the module
1676 will be called "rtc-mxc_v2".
1677
Shawn Guo179a5022012-10-04 17:13:49 -07001678config RTC_DRV_SNVS
1679 tristate "Freescale SNVS RTC support"
Shawn Guo8a0fa182015-07-13 15:58:51 +08001680 select REGMAP_MMIO
Shawn Guo179a5022012-10-04 17:13:49 -07001681 depends on HAS_IOMEM
1682 depends on OF
1683 help
1684 If you say yes here you get support for the Freescale SNVS
1685 Low Power (LP) RTC module.
1686
1687 This driver can also be built as a module, if so, the module
1688 will be called "rtc-snvs".
1689
Xianglong Due88b8152013-07-03 15:08:04 -07001690config RTC_DRV_SIRFSOC
1691 tristate "SiRFSOC RTC"
1692 depends on ARCH_SIRF
1693 help
1694 Say "yes" here to support the real time clock on SiRF SOC chips.
1695 This driver can also be built as a module called rtc-sirfsoc.
1696
Lee Jonesb5b2bdf2015-04-09 15:47:33 +01001697config RTC_DRV_ST_LPC
1698 tristate "STMicroelectronics LPC RTC"
1699 depends on ARCH_STI
1700 depends on OF
1701 help
1702 Say Y here to include STMicroelectronics Low Power Controller
1703 (LPC) based RTC support.
1704
1705 To compile this driver as a module, choose M here: the
1706 module will be called rtc-st-lpc.
1707
Jonas Jensen453b4c62013-09-11 14:24:17 -07001708config RTC_DRV_MOXART
1709 tristate "MOXA ART RTC"
Jean Delvare441fb762014-08-08 14:20:05 -07001710 depends on ARCH_MOXART || COMPILE_TEST
Jonas Jensen453b4c62013-09-11 14:24:17 -07001711 help
1712 If you say yes here you get support for the MOXA ART
1713 RTC module.
1714
1715 This driver can also be built as a module. If so, the module
1716 will be called rtc-moxart
1717
Tianping Fangfc297912015-05-06 15:23:41 +08001718config RTC_DRV_MT6397
Sean Wangd00a7ed2017-10-23 15:16:46 +08001719 tristate "MediaTek PMIC based RTC"
Arnd Bergmann04d3ba72016-01-25 17:04:46 +01001720 depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
Tianping Fangfc297912015-05-06 15:23:41 +08001721 help
Sean Wangd00a7ed2017-10-23 15:16:46 +08001722 This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
Tianping Fangfc297912015-05-06 15:23:41 +08001723 MT6397 PMIC. You should enable MT6397 PMIC MFD before select
Sean Wangd00a7ed2017-10-23 15:16:46 +08001724 MediaTek(R) RTC driver.
Tianping Fangfc297912015-05-06 15:23:41 +08001725
Sean Wangd00a7ed2017-10-23 15:16:46 +08001726 If you want to use MediaTek(R) RTC interface, select Y or M here.
Tianping Fangfc297912015-05-06 15:23:41 +08001727
Sean Wangba5d0182017-10-23 15:16:45 +08001728config RTC_DRV_MT7622
1729 tristate "MediaTek SoC based RTC"
1730 depends on ARCH_MEDIATEK || COMPILE_TEST
1731 help
1732 This enables support for the real time clock built in the MediaTek
1733 SoCs.
1734
1735 This drive can also be built as a module. If so, the module
1736 will be called rtc-mt7622.
1737
Loc Hof12d8692014-06-06 14:35:42 -07001738config RTC_DRV_XGENE
1739 tristate "APM X-Gene RTC"
Chen Gang706b6322014-10-13 15:53:14 -07001740 depends on HAS_IOMEM
Jean Delvarefdf8afa2015-05-06 09:24:42 +02001741 depends on ARCH_XGENE || COMPILE_TEST
Loc Hof12d8692014-06-06 14:35:42 -07001742 help
1743 If you say yes here you get support for the APM X-Gene SoC real time
1744 clock.
1745
1746 This driver can also be built as a module, if so, the module
1747 will be called "rtc-xgene".
1748
Joshua Henderson51aa9052016-02-25 10:30:44 -07001749config RTC_DRV_PIC32
1750 tristate "Microchip PIC32 RTC"
1751 depends on MACH_PIC32
1752 default y
1753 help
1754 If you say yes here you get support for the PIC32 RTC module.
1755
1756 This driver can also be built as a module. If so, the module
1757 will be called rtc-pic32
1758
Akinobu Mita0b6a8f52016-12-04 23:04:39 +09001759config RTC_DRV_R7301
1760 tristate "EPSON TOYOCOM RTC-7301SF/DG"
1761 select REGMAP_MMIO
1762 depends on OF && HAS_IOMEM
1763 help
1764 If you say yes here you get support for the EPSON TOYOCOM
1765 RTC-7301SF/DG chips.
1766
1767 This driver can also be built as a module. If so, the module
1768 will be called rtc-r7301.
1769
Amelie Delaunay4e643502017-01-11 14:46:43 +01001770config RTC_DRV_STM32
1771 tristate "STM32 RTC"
1772 select REGMAP_MMIO
1773 depends on ARCH_STM32 || COMPILE_TEST
1774 help
1775 If you say yes here you get support for the STM32 On-Chip
1776 Real Time Clock.
1777
1778 This driver can also be built as a module, if so, the module
1779 will be called "rtc-stm32".
1780
Sebastian Reicheldd3bf502017-03-02 01:27:09 +01001781config RTC_DRV_CPCAP
1782 depends on MFD_CPCAP
1783 tristate "Motorola CPCAP RTC"
1784 help
1785 Say y here for CPCAP rtc found on some Motorola phones
1786 and tablets such as Droid 4.
1787
Andreas Färberae930c92017-09-05 00:53:23 +02001788config RTC_DRV_RTD119X
1789 bool "Realtek RTD129x RTC"
1790 depends on ARCH_REALTEK || COMPILE_TEST
1791 default ARCH_REALTEK
1792 help
1793 If you say yes here, you get support for the RTD1295 SoC
1794 Real Time Clock.
1795
Alexander Holler62e00cb2012-12-15 12:45:00 +00001796comment "HID Sensor RTC drivers"
1797
1798config RTC_DRV_HID_SENSOR_TIME
1799 tristate "HID Sensor Time"
1800 depends on USB_HID
1801 select IIO
1802 select HID_SENSOR_HUB
1803 select HID_SENSOR_IIO_COMMON
1804 help
1805 Say yes here to build support for the HID Sensors of type Time.
1806 This drivers makes such sensors available as RTCs.
1807
1808 If this driver is compiled as a module, it will be named
1809 rtc-hid-sensor-time.
1810
Miodrag Dinicf22d9cd2017-08-18 15:08:54 +02001811config RTC_DRV_GOLDFISH
1812 tristate "Goldfish Real Time Clock"
1813 depends on MIPS && (GOLDFISH || COMPILE_TEST)
1814 help
1815 Say yes to enable RTC driver for the Goldfish based virtual platform.
1816
1817 Goldfish is a code name for the virtual platform developed by Google
1818 for Android emulation.
Alexander Holler62e00cb2012-12-15 12:45:00 +00001819
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001820endif # RTC_CLASS