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David Brownell7be2c7c2007-02-10 01:46:02 -08001#
Alessandro Zummoc58411e2006-03-27 01:16:34 -08002# RTC class/drivers configuration
3#
4
5config RTC_LIB
John Stultzb4d246b2011-04-29 15:03:11 -07006 bool
Alessandro Zummo0c86edc2006-03-27 01:16:37 -08007
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07008menuconfig RTC_CLASS
John Stultzb4d246b2011-04-29 15:03:11 -07009 bool "Real Time Clock"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080010 default n
Al Viro33694652011-08-18 20:11:59 +010011 depends on !S390 && !UML
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080012 select RTC_LIB
13 help
14 Generic RTC class support. If you say yes here, you will
15 be allowed to plug one or more RTCs to your system. You will
Adrian Bunk27ae4102006-06-30 18:18:41 +020016 probably want to enable one or more of the interfaces below.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080017
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070018if RTC_CLASS
19
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080020config RTC_HCTOSYS
David Brownell7ca1d482007-05-08 00:33:42 -070021 bool "Set system time from RTC on startup and resume"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080022 depends on RTC_CLASS = y
23 default y
24 help
David Brownell7ca1d482007-05-08 00:33:42 -070025 If you say yes here, the system time (wall clock) will be set using
26 the value read from a specified RTC device. This is useful to avoid
27 unnecessary fsck runs at boot time, and to network better.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080028
29config RTC_HCTOSYS_DEVICE
David Brownell7ca1d482007-05-08 00:33:42 -070030 string "RTC used to set the system time"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080031 depends on RTC_HCTOSYS = y
32 default "rtc0"
33 help
David Brownell7ca1d482007-05-08 00:33:42 -070034 The RTC device that will be used to (re)initialize the system
Alessandro Zummoae64d162009-01-06 14:42:17 -080035 clock, usually rtc0. Initialization is done when the system
36 starts up, and when it resumes from a low power state. This
David Brownell779d2082007-11-14 16:58:29 -080037 device should record time in UTC, since the kernel won't do
38 timezone correction.
David Brownell7ca1d482007-05-08 00:33:42 -070039
David Brownell55ff1ab2007-07-21 04:37:56 -070040 The driver for this RTC device must be loaded before late_initcall
41 functions run, so it must usually be statically linked.
42
David Brownell7ca1d482007-05-08 00:33:42 -070043 This clock should be battery-backed, so that it reads the correct
Alessandro Zummoae64d162009-01-06 14:42:17 -080044 time when the system boots from a power-off state. Otherwise, your
David Brownell7ca1d482007-05-08 00:33:42 -070045 system will need an external clock source (like an NTP server).
46
47 If the clock you specify here is not battery backed, it may still
48 be useful to reinitialize system time when resuming from system
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -080049 sleep states. Do not specify an RTC here unless it stays powered
David Brownell7ca1d482007-05-08 00:33:42 -070050 during all this system's supported sleep states.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080051
David Brownell9e86ecb2006-09-30 23:28:14 -070052config RTC_DEBUG
53 bool "RTC debug support"
54 depends on RTC_CLASS = y
55 help
56 Say yes here to enable debugging support in the RTC framework
57 and individual RTC drivers.
58
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080059comment "RTC interfaces"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080060
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080061config RTC_INTF_SYSFS
David Brownelle40659c2007-05-16 22:11:15 -070062 boolean "/sys/class/rtc/rtcN (sysfs)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070063 depends on SYSFS
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080064 default RTC_CLASS
65 help
David Brownell9e86ecb2006-09-30 23:28:14 -070066 Say yes here if you want to use your RTCs using sysfs interfaces,
67 /sys/class/rtc/rtc0 through /sys/.../rtcN.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080068
Alessandro Zummoae64d162009-01-06 14:42:17 -080069 If unsure, say Y.
Alessandro Zummoc5c3e192006-03-27 01:16:39 -080070
Alessandro Zummo728a2942006-03-27 01:16:40 -080071config RTC_INTF_PROC
Kim, Milo92589c92012-10-04 17:13:45 -070072 boolean "/proc/driver/rtc (procfs for rtcN)"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070073 depends on PROC_FS
Alessandro Zummo728a2942006-03-27 01:16:40 -080074 default RTC_CLASS
75 help
Kim, Milo92589c92012-10-04 17:13:45 -070076 Say yes here if you want to use your system clock RTC through
77 the proc interface, /proc/driver/rtc.
78 Other RTCs will not be available through that API.
79 If there is no RTC for the system clock, then the first RTC(rtc0)
80 is used by default.
Alessandro Zummo728a2942006-03-27 01:16:40 -080081
Alessandro Zummoae64d162009-01-06 14:42:17 -080082 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -080083
Alessandro Zummoe8242902006-03-27 01:16:41 -080084config RTC_INTF_DEV
David Brownelle40659c2007-05-16 22:11:15 -070085 boolean "/dev/rtcN (character devices)"
Alessandro Zummoe8242902006-03-27 01:16:41 -080086 default RTC_CLASS
87 help
David Brownell9e86ecb2006-09-30 23:28:14 -070088 Say yes here if you want to use your RTCs using the /dev
89 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -080090 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -080091
Alessandro Zummoae64d162009-01-06 14:42:17 -080092 You may want to set up a symbolic link so one of these
93 can be accessed as /dev/rtc, which is a name
94 expected by "hwclock" and some other programs. Recent
95 versions of "udev" are known to set up the symlink for you.
96
97 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -080098
John Stultz6e57b1d2011-02-11 17:45:40 -080099config RTC_INTF_DEV_UIE_EMUL
100 bool "RTC UIE emulation on dev interface"
101 depends on RTC_INTF_DEV
102 help
103 Provides an emulation for RTC_UIE if the underlying rtc chip
104 driver does not expose RTC_UIE ioctls. Those requests generate
105 once-per-second update interrupts, used for synchronization.
106
107 The emulation code will read the time from the hardware
108 clock several times per second, please enable this option
109 only if you know that you really need it.
110
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700111config RTC_DRV_TEST
112 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700113 help
114 If you say yes here you get support for the
115 RTC test driver. It's a software RTC which can be
116 used to test the RTC subsystem APIs. It gets
117 the time from the system clock.
118 You want this driver only if you are doing development
119 on the RTC subsystem. Please read the source code
120 for further details.
121
122 This driver can also be built as a module. If so, the module
123 will be called rtc-test.
124
125comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700126 depends on I2C
127
128if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700129
Haojian Zhuang008b3042011-05-06 17:21:20 +0800130config RTC_DRV_88PM860X
131 tristate "Marvell 88PM860x"
132 depends on RTC_CLASS && I2C && MFD_88PM860X
133 help
134 If you say yes here you get support for RTC function in Marvell
135 88PM860x chips.
136
137 This driver can also be built as a module. If so, the module
138 will be called rtc-88pm860x.
139
Qiao Zhou2985c292012-07-09 14:37:34 +0800140config RTC_DRV_88PM80X
141 tristate "Marvell 88PM80x"
142 depends on RTC_CLASS && I2C && MFD_88PM800
143 help
144 If you say yes here you get support for RTC function in Marvell
145 88PM80x chips.
146
147 This driver can also be built as a module. If so, the module
148 will be called rtc-88pm80x.
149
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700150config RTC_DRV_DS1307
Matthias Fuchsa2166852009-03-31 15:24:58 -0700151 tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700152 help
153 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800154 chips (often with battery backup) connected with I2C. This driver
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700155 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
Matthias Fuchsa2166852009-03-31 15:24:58 -0700156 EPSON RX-8025 and probably other chips. In some cases the RTC
157 must already have been initialized (by manufacturing or a
158 bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700159
160 The first seven registers on these chips hold an RTC, and other
161 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800162 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800163 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700164
165 This driver can also be built as a module. If so, the module
166 will be called rtc-ds1307.
167
Scott Woodbf4994d2007-10-16 01:28:19 -0700168config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800169 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700170 depends on RTC_CLASS && I2C
171 help
172 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800173 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700174 with the device, the alarm functionality is supported.
175
Alessandro Zummoae64d162009-01-06 14:42:17 -0800176 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700177 will be called rtc-ds1374.
178
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700179config RTC_DRV_DS1672
180 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700181 help
182 If you say yes here you get support for the
183 Dallas/Maxim DS1672 timekeeping chip.
184
185 This driver can also be built as a module. If so, the module
186 will be called rtc-ds1672.
187
Roy Zangc03675f2010-08-10 18:02:20 -0700188config RTC_DRV_DS3232
189 tristate "Dallas/Maxim DS3232"
190 depends on RTC_CLASS && I2C
191 help
192 If you say yes here you get support for Dallas Semiconductor
Lan Chunhe-B25806f46418c2010-10-27 15:33:12 -0700193 DS3232 real-time clock chips. If an interrupt is associated
194 with the device, the alarm functionality is supported.
Roy Zangc03675f2010-08-10 18:02:20 -0700195
196 This driver can also be built as a module. If so, the module
197 will be called rtc-ds3232.
198
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700199config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800200 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700201 help
202 If you say yes here you will get support for the
203 Maxim MAX6900 I2C RTC chip.
204
205 This driver can also be built as a module. If so, the module
206 will be called rtc-max6900.
207
Haojian Zhuanga39069f2010-01-25 06:30:29 -0500208config RTC_DRV_MAX8925
209 tristate "Maxim MAX8925"
210 depends on MFD_MAX8925
211 help
212 If you say yes here you will get support for the
213 RTC of Maxim MAX8925 PMIC.
214
215 This driver can also be built as a module. If so, the module
216 will be called rtc-max8925.
217
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900218config RTC_DRV_MAX8998
219 tristate "Maxim MAX8998"
220 depends on MFD_MAX8998
221 help
222 If you say yes here you will get support for the
223 RTC of Maxim MAX8998 PMIC.
224
225 This driver can also be built as a module. If so, the module
226 will be called rtc-max8998.
227
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700228config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900229 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700230 help
231 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900232 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700233
234 This driver can also be built as a module. If so, the module
235 will be called rtc-rs5c372.
236
237config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800238 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700239 help
240 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800241 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700242
243 This driver can also be built as a module. If so, the module
244 will be called rtc-isl1208.
245
Roman Fietzed6c74282010-08-10 18:02:14 -0700246config RTC_DRV_ISL12022
247 tristate "Intersil ISL12022"
248 help
249 If you say yes here you get support for the
250 Intersil ISL12022 RTC chip.
251
252 This driver can also be built as a module. If so, the module
253 will be called rtc-isl12022.
254
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700255config RTC_DRV_X1205
256 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700257 help
258 If you say yes here you get support for the
259 Xicor/Intersil X1205 RTC chip.
260
261 This driver can also be built as a module. If so, the module
262 will be called rtc-x1205.
263
264config RTC_DRV_PCF8563
265 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700266 help
267 If you say yes here you get support for the
268 Philips PCF8563 RTC chip. The Epson RTC8564
269 should work as well.
270
271 This driver can also be built as a module. If so, the module
272 will be called rtc-pcf8563.
273
274config RTC_DRV_PCF8583
275 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700276 help
277 If you say yes here you get support for the Philips PCF8583
278 RTC chip found on Acorn RiscPCs. This driver supports the
279 platform specific method of retrieving the current year from
280 the RTC's SRAM. It will work on other platforms with the same
281 chip, but the year will probably have to be tweaked.
282
283 This driver can also be built as a module. If so, the module
284 will be called rtc-pcf8583.
285
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700286config RTC_DRV_M41T80
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700287 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700288 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700289 If you say Y here you will get support for the ST M41T60
290 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700291 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700292 M41ST85, and M41ST87.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700293
294 This driver can also be built as a module. If so, the module
295 will be called rtc-m41t80.
296
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700297config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700298 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700299 depends on RTC_DRV_M41T80
300 help
301 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700302 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700303
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800304config RTC_DRV_BQ32K
305 tristate "TI BQ32000"
306 help
307 If you say Y here you will get support for the TI
308 BQ32000 I2C RTC chip.
309
310 This driver can also be built as a module. If so, the module
311 will be called rtc-bq32k.
312
David Brownellafd8d0f2009-02-04 15:12:01 -0800313config RTC_DRV_DM355EVM
314 tristate "TI DaVinci DM355 EVM RTC"
315 depends on MFD_DM355EVM_MSP
316 help
317 Supports the RTC firmware in the MSP430 on the DM355 EVM.
318
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700319config RTC_DRV_TWL92330
320 boolean "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700321 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700322 help
323 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200324 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800325 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700326 the Menelaus driver; it's not separate module.
327
David Brownellf96411a2008-10-20 23:50:05 +0200328config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100329 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
David Brownellf96411a2008-10-20 23:50:05 +0200330 depends on RTC_CLASS && TWL4030_CORE
331 help
332 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100333 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200334
335 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100336 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200337
Byron Bradleyc46288b2008-03-04 14:28:25 -0800338config RTC_DRV_S35390A
339 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700340 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800341 help
342 If you say yes here you will get support for the Seiko
343 Instruments S-35390A.
344
345 This driver can also be built as a module. If so the module
346 will be called rtc-s35390a.
347
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700348config RTC_DRV_FM3130
349 tristate "Ramtron FM3130"
350 help
351 If you say Y here you will get support for the
352 Ramtron FM3130 RTC chips.
353 Ramtron FM3130 is a chip with two separate devices inside,
354 RTC clock and FRAM. This driver provides only RTC functionality.
355
356 This driver can also be built as a module. If so the module
357 will be called rtc-fm3130.
358
Martyn Welcha7fa9852008-11-12 13:27:06 -0800359config RTC_DRV_RX8581
360 tristate "Epson RX-8581"
361 help
362 If you say yes here you will get support for the Epson RX-8581.
363
364 This driver can also be built as a module. If so the module
365 will be called rtc-rx8581.
366
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700367config RTC_DRV_RX8025
368 tristate "Epson RX-8025SA/NB"
369 help
370 If you say yes here you get support for the Epson
371 RX-8025SA/NB RTC chips.
372
373 This driver can also be built as a module. If so, the module
374 will be called rtc-rx8025.
375
Mike Rapoportae3551f2011-05-26 16:25:04 -0700376config RTC_DRV_EM3027
377 tristate "EM Microelectronic EM3027"
378 help
379 If you say yes here you get support for the EM
380 Microelectronic EM3027 RTC chips.
381
382 This driver can also be built as a module. If so, the module
383 will be called rtc-em3027.
384
Heiko Schocher52365232011-05-26 16:25:05 -0700385config RTC_DRV_RV3029C2
386 tristate "Micro Crystal RTC"
387 help
388 If you say yes here you get support for the Micro Crystal
389 RV3029-C2 RTC chips.
390
391 This driver can also be built as a module. If so, the module
392 will be called rtc-rv3029c2.
393
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700394endif # I2C
395
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700396comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700397
398if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700399
Voss, Nikolaus74d34d42011-05-26 16:25:07 -0700400config RTC_DRV_M41T93
401 tristate "ST M41T93"
402 help
403 If you say yes here you will get support for the
404 ST M41T93 SPI RTC chip.
405
406 This driver can also be built as a module. If so, the module
407 will be called rtc-m41t93.
408
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700409config RTC_DRV_M41T94
410 tristate "ST M41T94"
411 help
412 If you say yes here you will get support for the
413 ST M41T94 SPI RTC chip.
414
415 This driver can also be built as a module. If so, the module
416 will be called rtc-m41t94.
417
David Brownell53e84b62008-07-23 21:30:36 -0700418config RTC_DRV_DS1305
419 tristate "Dallas/Maxim DS1305/DS1306"
420 help
421 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800422 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700423 charger, alarms, and NVRAM in addition to the clock.
424
425 This driver can also be built as a module. If so, the module
426 will be called rtc-ds1305.
427
Mark Jackson06de1802008-11-12 13:27:07 -0800428config RTC_DRV_DS1390
429 tristate "Dallas/Maxim DS1390/93/94"
430 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800431 If you say yes here you get support for the
432 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800433
434 This driver only supports the RTC feature, and not other chip
435 features such as alarms and trickle charging.
436
437 This driver can also be built as a module. If so, the module
438 will be called rtc-ds1390.
439
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800440config RTC_DRV_MAX6902
441 tristate "Maxim MAX6902"
442 help
443 If you say yes here you will get support for the
444 Maxim MAX6902 SPI RTC chip.
445
446 This driver can also be built as a module. If so, the module
447 will be called rtc-max6902.
448
Magnus Damm2805b962008-02-06 01:38:53 -0800449config RTC_DRV_R9701
450 tristate "Epson RTC-9701JE"
451 help
452 If you say yes here you will get support for the
453 Epson RTC-9701JE SPI RTC chip.
454
455 This driver can also be built as a module. If so, the module
456 will be called rtc-r9701.
457
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700458config RTC_DRV_RS5C348
459 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700460 help
461 If you say yes here you get support for the
462 Ricoh RS5C348A and RS5C348B RTC chips.
463
464 This driver can also be built as a module. If so, the module
465 will be called rtc-rs5c348.
466
Dennis Aberilla2f9b75e2008-10-15 22:02:57 -0700467config RTC_DRV_DS3234
468 tristate "Maxim/Dallas DS3234"
469 help
470 If you say yes here you get support for the
471 Maxim/Dallas DS3234 SPI RTC chip.
472
473 This driver can also be built as a module. If so, the module
474 will be called rtc-ds3234.
475
Chris Verges7f3923a2009-09-22 16:46:20 -0700476config RTC_DRV_PCF2123
477 tristate "NXP PCF2123"
478 help
479 If you say yes here you get support for the NXP PCF2123
480 RTC chip.
481
482 This driver can also be built as a module. If so, the module
483 will be called rtc-pcf2123.
484
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700485endif # SPI_MASTER
486
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700487comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800488
David Brownell7be2c7c2007-02-10 01:46:02 -0800489# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
490# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
491# global rtc_lock ... it's not yet just another platform_device.
492
493config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700494 tristate "PC-style 'CMOS'"
Andrew Morton5ec87702008-09-22 21:40:04 -0700495 depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700496 default y if X86
David Brownell7be2c7c2007-02-10 01:46:02 -0800497 help
498 Say "yes" here to get direct support for the real time clock
499 found in every PC or ACPI-based system, and some other boards.
500 Specifically the original MC146818, compatibles like those in
501 PC south bridges, the DS12887 or M48T86, some multifunction
502 or LPC bus chips, and so on.
503
504 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800505 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800506 you can safely enable this driver if you don't know whether
507 or not your board has this kind of hardware.
508
509 This driver can also be built as a module. If so, the module
510 will be called rtc-cmos.
511
Feng Tang0146f262010-11-10 17:29:17 +0000512config RTC_DRV_VRTC
Alan Cox933b9462011-12-17 17:43:40 +0000513 tristate "Virtual RTC for Intel MID platforms"
514 depends on X86_INTEL_MID
515 default y if X86_INTEL_MID
Feng Tang0146f262010-11-10 17:29:17 +0000516
517 help
518 Say "yes" here to get direct support for the real time clock
519 found on Moorestown platforms. The VRTC is a emulated RTC that
520 derives its clock source from a real RTC in the PMIC. The MC146818
521 style programming interface is mostly conserved, but any
522 updates are done via IPC calls to the system controller FW.
523
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700524config RTC_DRV_DS1216
525 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700526 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700527 help
528 If you say yes here you get support for the Dallas DS1216 RTC chips.
529
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200530config RTC_DRV_DS1286
531 tristate "Dallas DS1286"
532 help
533 If you say yes here you get support for the Dallas DS1286 RTC chips.
534
Paul Mundt739d3402008-02-06 01:38:44 -0800535config RTC_DRV_DS1302
536 tristate "Dallas DS1302"
537 depends on SH_SECUREEDGE5410
538 help
539 If you say yes here you get support for the Dallas DS1302 RTC chips.
540
Andrew Sharp8f267952008-02-06 01:38:46 -0800541config RTC_DRV_DS1511
542 tristate "Dallas DS1511"
543 depends on RTC_CLASS
544 help
545 If you say yes here you get support for the
546 Dallas DS1511 timekeeping/watchdog chip.
547
548 This driver can also be built as a module. If so, the module
549 will be called rtc-ds1511.
550
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700551config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800552 tristate "Maxim/Dallas DS1553"
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700553 help
554 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800555 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700556
557 This driver can also be built as a module. If so, the module
558 will be called rtc-ds1553.
559
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800560config RTC_DRV_DS1742
561 tristate "Maxim/Dallas DS1742/1743"
562 help
563 If you say yes here you get support for the
564 Maxim/Dallas DS1742/1743 timekeeping chip.
565
566 This driver can also be built as a module. If so, the module
567 will be called rtc-ds1742.
568
Ashish Jangamfef931f2012-03-23 15:02:36 -0700569config RTC_DRV_DA9052
570 tristate "Dialog DA9052/DA9053 RTC"
571 depends on PMIC_DA9052
572 help
573 Say y here to support the RTC driver for Dialog Semiconductor
574 DA9052-BC and DA9053-AA/Bx PMICs.
575
dann frazier5e3fd9e2009-03-31 15:24:48 -0700576config RTC_DRV_EFI
577 tristate "EFI RTC"
578 depends on IA64
579 help
580 If you say yes here you will get support for the EFI
581 Real Time Clock.
582
583 This driver can also be built as a module. If so, the module
584 will be called rtc-efi.
585
Thomas Hommel02964112007-07-21 04:37:58 -0700586config RTC_DRV_STK17TA8
587 tristate "Simtek STK17TA8"
588 depends on RTC_CLASS
589 help
590 If you say yes here you get support for the
591 Simtek STK17TA8 timekeeping chip.
592
593 This driver can also be built as a module. If so, the module
594 will be called rtc-stk17ta8.
595
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700596config RTC_DRV_M48T86
597 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700598 help
599 If you say Y here you will get support for the
600 ST M48T86 and Dallas DS12887 RTC chips.
601
602 This driver can also be built as a module. If so, the module
603 will be called rtc-m48t86.
604
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200605config RTC_DRV_M48T35
606 tristate "ST M48T35"
607 help
608 If you say Y here you will get support for the
609 ST M48T35 RTC chip.
610
611 This driver can also be built as a module, if so, the module
612 will be called "rtc-m48t35".
613
Mark Zhan2e774c72007-07-17 04:05:05 -0700614config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700615 tristate "ST M48T59/M48T08/M48T02"
Mark Zhan2e774c72007-07-17 04:05:05 -0700616 help
617 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700618 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
619
620 These chips are usually found in Sun SPARC and UltraSPARC
621 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -0700622
623 This driver can also be built as a module, if so, the module
624 will be called "rtc-m48t59".
625
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +0100626config RTC_DRV_MSM6242
627 tristate "Oki MSM6242"
628 help
629 If you say yes here you get support for the Oki MSM6242
630 timekeeping chip. It is used in some Amiga models (e.g. A2000).
631
632 This driver can also be built as a module. If so, the module
633 will be called rtc-msm6242.
634
David S. Millercca4c232008-08-29 01:29:53 -0700635config RTC_DRV_BQ4802
636 tristate "TI BQ4802"
637 help
638 If you say Y here you will get support for the TI
639 BQ4802 RTC chip.
640
641 This driver can also be built as a module. If so, the module
642 will be called rtc-bq4802.
643
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +0100644config RTC_DRV_RP5C01
645 tristate "Ricoh RP5C01"
646 help
647 If you say yes here you get support for the Ricoh RP5C01
648 timekeeping chip. It is used in some Amiga models (e.g. A3000
649 and A4000).
650
651 This driver can also be built as a module. If so, the module
652 will be called rtc-rp5c01.
653
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700654config RTC_DRV_V3020
655 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700656 help
657 If you say yes here you will get support for the
658 EM Microelectronic v3020 RTC chip.
659
660 This driver can also be built as a module. If so, the module
661 will be called rtc-v3020.
662
Sven Schnelle7418a112012-10-04 17:13:47 -0700663config RTC_DRV_DS2404
664 tristate "Dallas DS2404"
665 help
666 If you say yes here you get support for the
667 Dallas DS2404 RTC chip.
668
669 This driver can also be built as a module. If so, the module
670 will be called rtc-ds2404.
671
Mark Brown35c86bf2009-08-27 19:59:05 +0200672config RTC_DRV_WM831X
673 tristate "Wolfson Microelectronics WM831x RTC"
674 depends on MFD_WM831X
675 help
676 If you say yes here you will get support for the RTC subsystem
677 of the Wolfson Microelectronics WM831X series PMICs.
678
679 This driver can also be built as a module. If so, the module
680 will be called "rtc-wm831x".
681
Mark Brown077eaf52008-11-12 13:27:04 -0800682config RTC_DRV_WM8350
683 tristate "Wolfson Microelectronics WM8350 RTC"
684 depends on MFD_WM8350
685 help
686 If you say yes here you will get support for the RTC subsystem
687 of the Wolfson Microelectronics WM8350.
688
689 This driver can also be built as a module. If so, the module
690 will be called "rtc-wm8350".
691
Rajeev Kumar0942a712011-05-26 16:25:09 -0700692config RTC_DRV_SPEAR
693 tristate "SPEAR ST RTC"
694 depends on PLAT_SPEAR
695 default y
696 help
697 If you say Y here you will get support for the RTC found on
698 spear
699
Balaji Raoeae854b2009-01-09 01:50:51 +0100700config RTC_DRV_PCF50633
701 depends on MFD_PCF50633
702 tristate "NXP PCF50633 RTC"
703 help
704 If you say yes here you get support for the RTC subsystem of the
705 NXP PCF50633 used in embedded systems.
706
Linus Walleijbd207cf2009-08-30 23:49:04 +0200707config RTC_DRV_AB3100
708 tristate "ST-Ericsson AB3100 RTC"
709 depends on AB3100_CORE
710 default y if AB3100_CORE
711 help
712 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
713 support. This chip contains a battery- and capacitor-backed RTC.
714
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700715config RTC_DRV_AB8500
716 tristate "ST-Ericsson AB8500 RTC"
717 depends on AB8500_CORE
Ramesh Chandrasekarandc43d4a2012-07-30 14:41:41 -0700718 select RTC_INTF_DEV_UIE_EMUL
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700719 help
720 Select this to enable the ST-Ericsson AB8500 power management IC RTC
721 support. This chip contains a battery- and capacitor-backed RTC.
722
Wan ZongShunafd49a7e2009-12-15 16:46:17 -0800723config RTC_DRV_NUC900
724 tristate "NUC910/NUC920 RTC driver"
725 depends on RTC_CLASS && ARCH_W90X900
726 help
727 If you say yes here you get support for the RTC subsystem of the
728 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +0200729
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700730comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700731
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -0600732config RTC_DRV_DAVINCI
733 tristate "TI DaVinci RTC"
734 depends on ARCH_DAVINCI_DM365
735 help
736 If you say yes here you get support for the RTC on the
737 DaVinci platforms (DM365).
738
739 This driver can also be built as a module. If so, the module
740 will be called rtc-davinci.
741
Fabio Estevamb224b9a2012-05-29 15:07:37 -0700742config RTC_DRV_IMXDI
743 tristate "Freescale IMX DryIce Real Time Clock"
744 depends on SOC_IMX25
745 depends on RTC_CLASS
746 help
747 Support for Freescale IMX DryIce RTC
748
749 This driver can also be built as a module, if so, the module
750 will be called "rtc-imxdi".
751
David Brownelldb68b182006-12-06 20:38:36 -0800752config RTC_DRV_OMAP
753 tristate "TI OMAP1"
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800754 depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
David Brownelldb68b182006-12-06 20:38:36 -0800755 help
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800756 Say "yes" here to support the real time clock on TI OMAP1 and
757 DA8xx/OMAP-L13x chips. This driver can also be built as a
758 module called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -0800759
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530760config HAVE_S3C_RTC
761 bool
762 help
763 This will include RTC support for Samsung SoCs. If
764 you want to include RTC support for any machine, kindly
765 select this in the respective mach-XXXX/Kconfig file.
766
Ben Dooks1add6782006-07-01 04:36:26 -0700767config RTC_DRV_S3C
768 tristate "Samsung S3C series SoC RTC"
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900769 depends on ARCH_S3C64XX || HAVE_S3C_RTC
Ben Dooks1add6782006-07-01 04:36:26 -0700770 help
771 RTC (Realtime Clock) driver for the clock inbuilt into the
772 Samsung S3C24XX series of SoCs. This can provide periodic
773 interrupt rates from 1Hz to 64Hz for user programs, and
774 wakeup from Alarm.
775
776 The driver currently supports the common features on all the
777 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
778 and S3C2442.
779
780 This driver can also be build as a module. If so, the module
781 will be called rtc-s3c.
782
Alessandro Zummofd507e22006-03-27 01:16:45 -0800783config RTC_DRV_EP93XX
784 tristate "Cirrus Logic EP93XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700785 depends on ARCH_EP93XX
Alessandro Zummofd507e22006-03-27 01:16:45 -0800786 help
787 If you say yes here you get support for the
788 RTC embedded in the Cirrus Logic EP93XX processors.
789
790 This driver can also be built as a module. If so, the module
791 will be called rtc-ep93xx.
792
Richard Purdiee842f1c2006-03-27 01:16:46 -0800793config RTC_DRV_SA1100
Haojian Zhuang3888c092012-02-21 11:51:13 +0800794 tristate "SA11x0/PXA2xx/PXA910"
795 depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
Richard Purdiee842f1c2006-03-27 01:16:46 -0800796 help
797 If you say Y here you will get access to the real time clock
798 built into your SA11x0 or PXA2xx CPU.
799
800 To compile this driver as a module, choose M here: the
801 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -0800802
Paul Mundt317a6102006-09-27 17:13:19 +0900803config RTC_DRV_SH
804 tristate "SuperH On-Chip RTC"
Paul Mundt063adc72009-04-16 14:12:22 +0900805 depends on RTC_CLASS && SUPERH && HAVE_CLK
Paul Mundt317a6102006-09-27 17:13:19 +0900806 help
807 Say Y here to enable support for the on-chip RTC found in
808 most SuperH processors.
809
810 To compile this driver as a module, choose M here: the
811 module will be called rtc-sh.
812
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700813config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700814 tristate "NEC VR41XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700815 depends on CPU_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700816 help
817 If you say Y here you will get access to the real time clock
818 built into your NEC VR41XX CPU.
819
820 To compile this driver as a module, choose M here: the
821 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700822
Russell Kinga1909012008-04-20 12:08:36 +0100823config RTC_DRV_PL030
824 tristate "ARM AMBA PL030 RTC"
825 depends on ARM_AMBA
826 help
827 If you say Y here you will get access to ARM AMBA
828 PrimeCell PL030 RTC found on certain ARM SOCs.
829
830 To compile this driver as a module, choose M here: the
831 module will be called rtc-pl030.
832
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700833config RTC_DRV_PL031
834 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700835 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700836 help
837 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700838 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700839
840 To compile this driver as a module, choose M here: the
841 module will be called rtc-pl031.
842
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700843config RTC_DRV_AT32AP700X
844 tristate "AT32AP700X series RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700845 depends on PLATFORM_AT32AP
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700846 help
847 Driver for the internal RTC (Realtime Clock) on Atmel AVR32
848 AT32AP700x family processors.
849
Andrew Victor7fc39f62006-12-10 02:19:03 -0800850config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200851 tristate "AT91RM9200 or some AT91SAM9 RTC"
Nicolas Ferre938f9702012-03-15 14:38:09 +0100852 depends on ARCH_AT91
Andrew Victor788b1fc2006-06-25 05:48:27 -0700853 help
David Brownell4cdf8542008-02-06 01:38:59 -0800854 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200855 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -0800856 this is powered by the backup power supply.
857
858config RTC_DRV_AT91SAM9
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200859 tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
David Brownell4cdf8542008-02-06 01:38:59 -0800860 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
861 help
Stelian Pop6b71dbf2008-04-05 21:16:15 +0100862 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
863 (Real Time Timer). These timers are powered by the backup power
864 supply (such as a small coin cell battery), but do not need to
865 be used as RTCs.
David Brownell4cdf8542008-02-06 01:38:59 -0800866
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200867 (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
868 dedicated RTC module and leave the RTT available for other uses.)
David Brownell4cdf8542008-02-06 01:38:59 -0800869
870config RTC_DRV_AT91SAM9_RTT
871 int
872 range 0 1
873 default 0
874 prompt "RTT module Number" if ARCH_AT91SAM9263
875 depends on RTC_DRV_AT91SAM9
876 help
Alessandro Zummoae64d162009-01-06 14:42:17 -0800877 More than one RTT module is available. You can choose which
878 one will be used as an RTC. The default of zero is normally
David Brownell4cdf8542008-02-06 01:38:59 -0800879 OK to use, though some systems use that for non-RTC purposes.
880
881config RTC_DRV_AT91SAM9_GPBR
882 int
883 range 0 3 if !ARCH_AT91SAM9263
884 range 0 15 if ARCH_AT91SAM9263
885 default 0
886 prompt "Backup Register Number"
887 depends on RTC_DRV_AT91SAM9
888 help
889 The RTC driver needs to use one of the General Purpose Backup
Alessandro Zummoae64d162009-01-06 14:42:17 -0800890 Registers (GPBRs) as well as the RTT. You can choose which one
891 will be used. The default of zero is normally OK to use, but
David Brownell4cdf8542008-02-06 01:38:59 -0800892 on some systems other software needs to use that register.
Andrew Victor788b1fc2006-06-25 05:48:27 -0700893
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800894config RTC_DRV_AU1XXX
895 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +0200896 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800897 help
898 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
899 counter) to be used as a RTC.
900
901 This driver can also be built as a module. If so, the module
902 will be called rtc-au1xxx.
903
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700904config RTC_DRV_BFIN
905 tristate "Blackfin On-Chip RTC"
Graf Yang7f604592008-08-20 14:09:02 -0700906 depends on BLACKFIN && !BF561
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700907 help
908 If you say yes here you will get support for the
909 Blackfin On-Chip Real Time Clock.
910
911 This driver can also be built as a module. If so, the module
912 will be called rtc-bfin.
913
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700914config RTC_DRV_RS5C313
915 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700916 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700917 help
918 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
919
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100920config RTC_DRV_GENERIC
921 tristate "Generic RTC support"
922 # Please consider writing a new RTC driver instead of using the generic
923 # RTC abstraction
Paul Mundt47c8a082009-04-27 17:34:39 +0900924 depends on PARISC || M68K || PPC || SUPERH32
Kyle McMartin9eb16862008-09-10 14:24:07 +0000925 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100926 Say Y or M here to enable RTC support on systems using the generic
927 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +0000928 just say Y.
929
Robert Jarzmikdc944362009-01-06 14:42:14 -0800930config RTC_DRV_PXA
931 tristate "PXA27x/PXA3xx"
932 depends on ARCH_PXA
933 help
934 If you say Y here you will get access to the real time clock
935 built into your PXA27x or PXA3xx CPU.
936
937 This RTC driver uses PXA RTC registers available since pxa27x
938 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
939
Alexey Charkovf77fbdf2011-05-26 16:25:03 -0700940config RTC_DRV_VT8500
941 tristate "VIA/WonderMedia 85xx SoC RTC"
942 depends on ARCH_VT8500
943 help
944 If you say Y here you will get access to the real time clock
945 built into your VIA VT8500 SoC or its relatives.
946
Robert Jarzmikdc944362009-01-06 14:42:14 -0800947
David S. Miller7a138ed2008-08-29 01:32:43 -0700948config RTC_DRV_SUN4V
949 bool "SUN4V Hypervisor RTC"
950 depends on SPARC64
951 help
952 If you say Y here you will get support for the Hypervisor
953 based RTC on SUN4V systems.
954
David S. Millerde2cf332008-08-28 23:02:36 -0700955config RTC_DRV_STARFIRE
956 bool "Starfire RTC"
957 depends on SPARC64
958 help
959 If you say Y here you will get support for the RTC found on
960 Starfire systems.
961
Atsushi Nemoto0e149232009-01-06 14:42:22 -0800962config RTC_DRV_TX4939
963 tristate "TX4939 SoC"
964 depends on SOC_TX4939
965 help
966 Driver for the internal RTC (Realtime Clock) module found on
967 Toshiba TX4939 SoC.
968
Saeed Bisharadefb4512009-01-06 14:42:24 -0800969config RTC_DRV_MV
970 tristate "Marvell SoC RTC"
Saeed Bisharada432432009-11-24 19:33:53 +0200971 depends on ARCH_KIRKWOOD || ARCH_DOVE
Saeed Bisharadefb4512009-01-06 14:42:24 -0800972 help
973 If you say yes here you will get support for the in-chip RTC
974 that can be found in some of Marvell's SoC devices, such as
975 the Kirkwood 88F6281 and 88F6192.
976
977 This driver can also be built as a module. If so, the module
978 will be called rtc-mv.
979
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +0100980config RTC_DRV_PS3
981 tristate "PS3 RTC"
982 depends on PPC_PS3
983 help
984 If you say yes here you will get support for the RTC on PS3.
985
986 This driver can also be built as a module. If so, the module
987 will be called rtc-ps3.
988
Linus Walleijaa958f52009-09-22 16:46:24 -0700989config RTC_DRV_COH901331
990 tristate "ST-Ericsson COH 901 331 RTC"
991 depends on ARCH_U300
992 help
993 If you say Y here you will get access to ST-Ericsson
994 COH 901 331 RTC clock found in some ST-Ericsson Mobile
995 Platforms.
996
997 This driver can also be built as a module. If so, the module
998 will be called "rtc-coh901331".
999
1000
dmitry pervushindf17f632009-09-22 16:46:26 -07001001config RTC_DRV_STMP
Wolfram Sang46b21212011-05-25 12:56:50 +02001002 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1003 depends on ARCH_MXS
dmitry pervushindf17f632009-09-22 16:46:26 -07001004 help
1005 If you say yes here you will get support for the onboard
Wolfram Sang46b21212011-05-25 12:56:50 +02001006 STMP3xxx/i.MX23/i.MX28 RTC.
dmitry pervushindf17f632009-09-22 16:46:26 -07001007
1008 This driver can also be built as a module. If so, the module
1009 will be called rtc-stmp3xxx.
1010
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -07001011config RTC_DRV_PCAP
1012 tristate "PCAP RTC"
1013 depends on EZX_PCAP
1014 help
1015 If you say Y here you will get support for the RTC found on
1016 the PCAP2 ASIC used on some Motorola phones.
1017
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001018config RTC_DRV_MC13XXX
1019 depends on MFD_MC13XXX
1020 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001021 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +02001022 This enables support for the RTCs found on Freescale's PMICs
1023 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -08001024
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001025config RTC_DRV_MPC5121
1026 tristate "Freescale MPC5121 built-in RTC"
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001027 depends on PPC_MPC512x || PPC_MPC52xx
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001028 help
1029 If you say yes here you will get support for the
Dmitry Eremin-Solenikov955dbea2011-07-25 17:13:30 -07001030 built-in RTC on MPC5121 or on MPC5200.
Anatolij Gustschin50aae722010-02-16 10:47:35 -07001031
1032 This driver can also be built as a module. If so, the module
1033 will be called rtc-mpc5121.
1034
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +00001035config RTC_DRV_JZ4740
1036 tristate "Ingenic JZ4740 SoC"
1037 depends on RTC_CLASS
1038 depends on MACH_JZ4740
1039 help
1040 If you say yes here you get support for the Ingenic JZ4740 SoC RTC
1041 controller.
1042
1043 This driver can also be buillt as a module. If so, the module
1044 will be called rtc-jz4740.
1045
Kevin Wells9aa449b2010-10-27 15:33:01 -07001046config RTC_DRV_LPC32XX
1047 depends on ARCH_LPC32XX
1048 tristate "NXP LPC32XX RTC"
1049 help
1050 This enables support for the NXP RTC in the LPC32XX
1051
1052 This driver can also be buillt as a module. If so, the module
1053 will be called rtc-lpc32xx.
1054
Anirudh Ghayal9a9a54a2011-07-25 17:13:33 -07001055config RTC_DRV_PM8XXX
1056 tristate "Qualcomm PMIC8XXX RTC"
1057 depends on MFD_PM8XXX
1058 help
1059 If you say yes here you get support for the
1060 Qualcomm PMIC8XXX RTC.
1061
1062 To compile this driver as a module, choose M here: the
1063 module will be called rtc-pm8xxx.
1064
Andrew Chewff859ba2011-03-22 16:34:55 -07001065config RTC_DRV_TEGRA
1066 tristate "NVIDIA Tegra Internal RTC driver"
1067 depends on RTC_CLASS && ARCH_TEGRA
1068 help
1069 If you say yes here you get support for the
1070 Tegra 200 series internal RTC module.
1071
1072 This drive can also be built as a module. If so, the module
1073 will be called rtc-tegra.
1074
Chris Metcalfdd196a22011-05-09 13:28:43 -04001075config RTC_DRV_TILE
1076 tristate "Tilera hypervisor RTC support"
1077 depends on TILE
1078 help
1079 Enable support for the Linux driver side of the Tilera
1080 hypervisor's real-time clock interface.
1081
Guan Xuetao2809e802011-05-26 16:43:27 +08001082config RTC_DRV_PUV3
1083 tristate "PKUnity v3 RTC support"
1084 depends on ARCH_PUV3
1085 help
1086 This enables support for the RTC in the PKUnity-v3 SoCs.
1087
1088 This drive can also be built as a module. If so, the module
1089 will be called rtc-puv3.
1090
zhao zhangb4f0b882012-03-23 15:02:32 -07001091config RTC_DRV_LOONGSON1
1092 tristate "loongson1 RTC support"
1093 depends on MACH_LOONGSON1
1094 help
1095 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1096 counter) to be used as a RTC.
1097
1098 This driver can also be built as a module. If so, the module
1099 will be called rtc-ls1x.
1100
Fabio Estevam79811592012-05-29 15:07:37 -07001101config RTC_DRV_MXC
Fabio Estevamb224b9a2012-05-29 15:07:37 -07001102 tristate "Freescale MXC Real Time Clock"
1103 depends on ARCH_MXC
1104 depends on RTC_CLASS
1105 help
1106 If you say yes here you get support for the Freescale MXC
1107 RTC module.
1108
1109 This driver can also be built as a module, if so, the module
1110 will be called "rtc-mxc".
1111
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001112endif # RTC_CLASS