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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
Jan Engelhardtbb35fb22007-07-31 00:39:46 -070011 depends on !S390
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080012 select RTC_LIB
13 help
14 Generic RTC class support. If you say yes here, you will
15 be allowed to plug one or more RTCs to your system. You will
Adrian Bunk27ae4102006-06-30 18:18:41 +020016 probably want to enable one or more of the interfaces below.
Alessandro Zummo0c86edc2006-03-27 01:16:37 -080017
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
David Brownelle40659c2007-05-16 22:11:15 -070072 boolean "/proc/driver/rtc (procfs for rtc0)"
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
David Brownell9e86ecb2006-09-30 23:28:14 -070076 Say yes here if you want to use your first RTC through the proc
Alessandro Zummoae64d162009-01-06 14:42:17 -080077 interface, /proc/driver/rtc. Other RTCs will not be available
David Brownell9e86ecb2006-09-30 23:28:14 -070078 through that API.
Alessandro Zummo728a2942006-03-27 01:16:40 -080079
Alessandro Zummoae64d162009-01-06 14:42:17 -080080 If unsure, say Y.
Alessandro Zummo728a2942006-03-27 01:16:40 -080081
Alessandro Zummoe8242902006-03-27 01:16:41 -080082config RTC_INTF_DEV
David Brownelle40659c2007-05-16 22:11:15 -070083 boolean "/dev/rtcN (character devices)"
Alessandro Zummoe8242902006-03-27 01:16:41 -080084 default RTC_CLASS
85 help
David Brownell9e86ecb2006-09-30 23:28:14 -070086 Say yes here if you want to use your RTCs using the /dev
87 interfaces, which "udev" sets up as /dev/rtc0 through
Alessandro Zummoae64d162009-01-06 14:42:17 -080088 /dev/rtcN.
Alessandro Zummoe8242902006-03-27 01:16:41 -080089
Alessandro Zummoae64d162009-01-06 14:42:17 -080090 You may want to set up a symbolic link so one of these
91 can be accessed as /dev/rtc, which is a name
92 expected by "hwclock" and some other programs. Recent
93 versions of "udev" are known to set up the symlink for you.
94
95 If unsure, say Y.
Alessandro Zummoe8242902006-03-27 01:16:41 -080096
John Stultz6e57b1d2011-02-11 17:45:40 -080097config RTC_INTF_DEV_UIE_EMUL
98 bool "RTC UIE emulation on dev interface"
99 depends on RTC_INTF_DEV
100 help
101 Provides an emulation for RTC_UIE if the underlying rtc chip
102 driver does not expose RTC_UIE ioctls. Those requests generate
103 once-per-second update interrupts, used for synchronization.
104
105 The emulation code will read the time from the hardware
106 clock several times per second, please enable this option
107 only if you know that you really need it.
108
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700109config RTC_DRV_TEST
110 tristate "Test driver/device"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700111 help
112 If you say yes here you get support for the
113 RTC test driver. It's a software RTC which can be
114 used to test the RTC subsystem APIs. It gets
115 the time from the system clock.
116 You want this driver only if you are doing development
117 on the RTC subsystem. Please read the source code
118 for further details.
119
120 This driver can also be built as a module. If so, the module
121 will be called rtc-test.
122
123comment "I2C RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700124 depends on I2C
125
126if I2C
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700127
Haojian Zhuang008b3042011-05-06 17:21:20 +0800128config RTC_DRV_88PM860X
129 tristate "Marvell 88PM860x"
130 depends on RTC_CLASS && I2C && MFD_88PM860X
131 help
132 If you say yes here you get support for RTC function in Marvell
133 88PM860x chips.
134
135 This driver can also be built as a module. If so, the module
136 will be called rtc-88pm860x.
137
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700138config RTC_DRV_DS1307
Matthias Fuchsa2166852009-03-31 15:24:58 -0700139 tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700140 help
141 If you say yes here you get support for various compatible RTC
Alessandro Zummoae64d162009-01-06 14:42:17 -0800142 chips (often with battery backup) connected with I2C. This driver
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700143 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
Matthias Fuchsa2166852009-03-31 15:24:58 -0700144 EPSON RX-8025 and probably other chips. In some cases the RTC
145 must already have been initialized (by manufacturing or a
146 bootloader).
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700147
148 The first seven registers on these chips hold an RTC, and other
149 registers may add features such as NVRAM, a trickle charger for
Alessandro Zummoae64d162009-01-06 14:42:17 -0800150 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
David Brownell682d73f2007-11-14 16:58:32 -0800151 sysfs, but other chip features may not be available.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700152
153 This driver can also be built as a module. If so, the module
154 will be called rtc-ds1307.
155
Scott Woodbf4994d2007-10-16 01:28:19 -0700156config RTC_DRV_DS1374
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800157 tristate "Dallas/Maxim DS1374"
Scott Woodbf4994d2007-10-16 01:28:19 -0700158 depends on RTC_CLASS && I2C
159 help
160 If you say yes here you get support for Dallas Semiconductor
Alessandro Zummoae64d162009-01-06 14:42:17 -0800161 DS1374 real-time clock chips. If an interrupt is associated
Scott Woodbf4994d2007-10-16 01:28:19 -0700162 with the device, the alarm functionality is supported.
163
Alessandro Zummoae64d162009-01-06 14:42:17 -0800164 This driver can also be built as a module. If so, the module
Scott Woodbf4994d2007-10-16 01:28:19 -0700165 will be called rtc-ds1374.
166
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700167config RTC_DRV_DS1672
168 tristate "Dallas/Maxim DS1672"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700169 help
170 If you say yes here you get support for the
171 Dallas/Maxim DS1672 timekeeping chip.
172
173 This driver can also be built as a module. If so, the module
174 will be called rtc-ds1672.
175
Roy Zangc03675f2010-08-10 18:02:20 -0700176config RTC_DRV_DS3232
177 tristate "Dallas/Maxim DS3232"
178 depends on RTC_CLASS && I2C
179 help
180 If you say yes here you get support for Dallas Semiconductor
Lan Chunhe-B25806f46418c2010-10-27 15:33:12 -0700181 DS3232 real-time clock chips. If an interrupt is associated
182 with the device, the alarm functionality is supported.
Roy Zangc03675f2010-08-10 18:02:20 -0700183
184 This driver can also be built as a module. If so, the module
185 will be called rtc-ds3232.
186
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700187config RTC_DRV_MAX6900
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800188 tristate "Maxim MAX6900"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700189 help
190 If you say yes here you will get support for the
191 Maxim MAX6900 I2C RTC chip.
192
193 This driver can also be built as a module. If so, the module
194 will be called rtc-max6900.
195
Haojian Zhuanga39069f2010-01-25 06:30:29 -0500196config RTC_DRV_MAX8925
197 tristate "Maxim MAX8925"
198 depends on MFD_MAX8925
199 help
200 If you say yes here you will get support for the
201 RTC of Maxim MAX8925 PMIC.
202
203 This driver can also be built as a module. If so, the module
204 will be called rtc-max8925.
205
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900206config RTC_DRV_MAX8998
207 tristate "Maxim MAX8998"
208 depends on MFD_MAX8998
209 help
210 If you say yes here you will get support for the
211 RTC of Maxim MAX8998 PMIC.
212
213 This driver can also be built as a module. If so, the module
214 will be called rtc-max8998.
215
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700216config RTC_DRV_RS5C372
Paul Mundt5d4529b2008-10-21 20:12:59 +0900217 tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700218 help
219 If you say yes here you get support for the
Paul Mundt5d4529b2008-10-21 20:12:59 +0900220 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700221
222 This driver can also be built as a module. If so, the module
223 will be called rtc-rs5c372.
224
225config RTC_DRV_ISL1208
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800226 tristate "Intersil ISL1208"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700227 help
228 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800229 Intersil ISL1208 RTC chip.
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700230
231 This driver can also be built as a module. If so, the module
232 will be called rtc-isl1208.
233
Roman Fietzed6c74282010-08-10 18:02:14 -0700234config RTC_DRV_ISL12022
235 tristate "Intersil ISL12022"
236 help
237 If you say yes here you get support for the
238 Intersil ISL12022 RTC chip.
239
240 This driver can also be built as a module. If so, the module
241 will be called rtc-isl12022.
242
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700243config RTC_DRV_X1205
244 tristate "Xicor/Intersil X1205"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700245 help
246 If you say yes here you get support for the
247 Xicor/Intersil X1205 RTC chip.
248
249 This driver can also be built as a module. If so, the module
250 will be called rtc-x1205.
251
252config RTC_DRV_PCF8563
253 tristate "Philips PCF8563/Epson RTC8564"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700254 help
255 If you say yes here you get support for the
256 Philips PCF8563 RTC chip. The Epson RTC8564
257 should work as well.
258
259 This driver can also be built as a module. If so, the module
260 will be called rtc-pcf8563.
261
262config RTC_DRV_PCF8583
263 tristate "Philips PCF8583"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700264 help
265 If you say yes here you get support for the Philips PCF8583
266 RTC chip found on Acorn RiscPCs. This driver supports the
267 platform specific method of retrieving the current year from
268 the RTC's SRAM. It will work on other platforms with the same
269 chip, but the year will probably have to be tweaked.
270
271 This driver can also be built as a module. If so, the module
272 will be called rtc-pcf8583.
273
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700274config RTC_DRV_M41T80
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700275 tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700276 help
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700277 If you say Y here you will get support for the ST M41T60
278 and M41T80 RTC chips series. Currently, the following chips are
Daniel Glocknerf30281f2009-04-02 16:57:03 -0700279 supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700280 M41ST85, and M41ST87.
Atsushi Nemotocaaff562007-07-17 04:05:02 -0700281
282 This driver can also be built as a module. If so, the module
283 will be called rtc-m41t80.
284
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700285config RTC_DRV_M41T80_WDT
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700286 bool "ST M41T65/M41T80 series RTC watchdog timer"
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700287 depends on RTC_DRV_M41T80
288 help
289 If you say Y here you will get support for the
Steven A. Falcod3a126f2008-10-15 22:03:07 -0700290 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
Atsushi Nemoto617780d2007-07-17 04:05:04 -0700291
Piotr Ziecik1ce7c832009-12-15 16:46:12 -0800292config RTC_DRV_BQ32K
293 tristate "TI BQ32000"
294 help
295 If you say Y here you will get support for the TI
296 BQ32000 I2C RTC chip.
297
298 This driver can also be built as a module. If so, the module
299 will be called rtc-bq32k.
300
David Brownellafd8d0f2009-02-04 15:12:01 -0800301config RTC_DRV_DM355EVM
302 tristate "TI DaVinci DM355 EVM RTC"
303 depends on MFD_DM355EVM_MSP
304 help
305 Supports the RTC firmware in the MSP430 on the DM355 EVM.
306
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700307config RTC_DRV_TWL92330
308 boolean "TI TWL92330/Menelaus"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700309 depends on MENELAUS
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700310 help
311 If you say yes here you get support for the RTC on the
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200312 TWL92330 "Menelaus" power management chip, used with OMAP2
Alessandro Zummoae64d162009-01-06 14:42:17 -0800313 platforms. The support is integrated with the rest of
Tony Lindgren0c4a59f2007-07-17 04:06:09 -0700314 the Menelaus driver; it's not separate module.
315
David Brownellf96411a2008-10-20 23:50:05 +0200316config RTC_DRV_TWL4030
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100317 tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
David Brownellf96411a2008-10-20 23:50:05 +0200318 depends on RTC_CLASS && TWL4030_CORE
319 help
320 If you say yes here you get support for the RTC on the
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100321 TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
David Brownellf96411a2008-10-20 23:50:05 +0200322
323 This driver can also be built as a module. If so, the module
Balaji T Ka6b49ff2009-12-13 22:16:31 +0100324 will be called rtc-twl.
David Brownellf96411a2008-10-20 23:50:05 +0200325
Byron Bradleyc46288b2008-03-04 14:28:25 -0800326config RTC_DRV_S35390A
327 tristate "Seiko Instruments S-35390A"
Randy Dunlapd4795402008-04-10 21:29:18 -0700328 select BITREVERSE
Byron Bradleyc46288b2008-03-04 14:28:25 -0800329 help
330 If you say yes here you will get support for the Seiko
331 Instruments S-35390A.
332
333 This driver can also be built as a module. If so the module
334 will be called rtc-s35390a.
335
Sergey Lapinc6d8f402008-06-12 15:21:55 -0700336config RTC_DRV_FM3130
337 tristate "Ramtron FM3130"
338 help
339 If you say Y here you will get support for the
340 Ramtron FM3130 RTC chips.
341 Ramtron FM3130 is a chip with two separate devices inside,
342 RTC clock and FRAM. This driver provides only RTC functionality.
343
344 This driver can also be built as a module. If so the module
345 will be called rtc-fm3130.
346
Martyn Welcha7fa9852008-11-12 13:27:06 -0800347config RTC_DRV_RX8581
348 tristate "Epson RX-8581"
349 help
350 If you say yes here you will get support for the Epson RX-8581.
351
352 This driver can also be built as a module. If so the module
353 will be called rtc-rx8581.
354
Wolfgang Grandegger3c2b9072009-06-17 16:26:11 -0700355config RTC_DRV_RX8025
356 tristate "Epson RX-8025SA/NB"
357 help
358 If you say yes here you get support for the Epson
359 RX-8025SA/NB RTC chips.
360
361 This driver can also be built as a module. If so, the module
362 will be called rtc-rx8025.
363
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700364endif # I2C
365
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700366comment "SPI RTC drivers"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700367
368if SPI_MASTER
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700369
Kim B. Heino8fc2c762008-07-23 21:30:34 -0700370config RTC_DRV_M41T94
371 tristate "ST M41T94"
372 help
373 If you say yes here you will get support for the
374 ST M41T94 SPI RTC chip.
375
376 This driver can also be built as a module. If so, the module
377 will be called rtc-m41t94.
378
David Brownell53e84b62008-07-23 21:30:36 -0700379config RTC_DRV_DS1305
380 tristate "Dallas/Maxim DS1305/DS1306"
381 help
382 Select this driver to get support for the Dallas/Maxim DS1305
Alessandro Zummoae64d162009-01-06 14:42:17 -0800383 and DS1306 real time clock chips. These support a trickle
David Brownell53e84b62008-07-23 21:30:36 -0700384 charger, alarms, and NVRAM in addition to the clock.
385
386 This driver can also be built as a module. If so, the module
387 will be called rtc-ds1305.
388
Mark Jackson06de1802008-11-12 13:27:07 -0800389config RTC_DRV_DS1390
390 tristate "Dallas/Maxim DS1390/93/94"
391 help
Alessandro Zummo7b9b2ef2009-01-06 14:42:16 -0800392 If you say yes here you get support for the
393 Dallas/Maxim DS1390/93/94 chips.
Mark Jackson06de1802008-11-12 13:27:07 -0800394
395 This driver only supports the RTC feature, and not other chip
396 features such as alarms and trickle charging.
397
398 This driver can also be built as a module. If so, the module
399 will be called rtc-ds1390.
400
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800401config RTC_DRV_MAX6902
402 tristate "Maxim MAX6902"
403 help
404 If you say yes here you will get support for the
405 Maxim MAX6902 SPI RTC chip.
406
407 This driver can also be built as a module. If so, the module
408 will be called rtc-max6902.
409
Magnus Damm2805b962008-02-06 01:38:53 -0800410config RTC_DRV_R9701
411 tristate "Epson RTC-9701JE"
412 help
413 If you say yes here you will get support for the
414 Epson RTC-9701JE SPI RTC chip.
415
416 This driver can also be built as a module. If so, the module
417 will be called rtc-r9701.
418
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700419config RTC_DRV_RS5C348
420 tristate "Ricoh RS5C348A/B"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700421 help
422 If you say yes here you get support for the
423 Ricoh RS5C348A and RS5C348B RTC chips.
424
425 This driver can also be built as a module. If so, the module
426 will be called rtc-rs5c348.
427
Dennis Aberilla2f9b75e2008-10-15 22:02:57 -0700428config RTC_DRV_DS3234
429 tristate "Maxim/Dallas DS3234"
430 help
431 If you say yes here you get support for the
432 Maxim/Dallas DS3234 SPI RTC chip.
433
434 This driver can also be built as a module. If so, the module
435 will be called rtc-ds3234.
436
Chris Verges7f3923a2009-09-22 16:46:20 -0700437config RTC_DRV_PCF2123
438 tristate "NXP PCF2123"
439 help
440 If you say yes here you get support for the NXP PCF2123
441 RTC chip.
442
443 This driver can also be built as a module. If so, the module
444 will be called rtc-pcf2123.
445
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700446endif # SPI_MASTER
447
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700448comment "Platform RTC drivers"
Alessandro Zummo0c86edc2006-03-27 01:16:37 -0800449
David Brownell7be2c7c2007-02-10 01:46:02 -0800450# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
451# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
452# global rtc_lock ... it's not yet just another platform_device.
453
454config RTC_DRV_CMOS
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700455 tristate "PC-style 'CMOS'"
Andrew Morton5ec87702008-09-22 21:40:04 -0700456 depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
David Brownellc7500902008-04-28 02:11:52 -0700457 default y if X86
David Brownell7be2c7c2007-02-10 01:46:02 -0800458 help
459 Say "yes" here to get direct support for the real time clock
460 found in every PC or ACPI-based system, and some other boards.
461 Specifically the original MC146818, compatibles like those in
462 PC south bridges, the DS12887 or M48T86, some multifunction
463 or LPC bus chips, and so on.
464
465 Your system will need to define the platform device used by
Alessandro Zummoae64d162009-01-06 14:42:17 -0800466 this driver, otherwise it won't be accessible. This means
David Brownell7be2c7c2007-02-10 01:46:02 -0800467 you can safely enable this driver if you don't know whether
468 or not your board has this kind of hardware.
469
470 This driver can also be built as a module. If so, the module
471 will be called rtc-cmos.
472
Feng Tang0146f262010-11-10 17:29:17 +0000473config RTC_DRV_VRTC
474 tristate "Virtual RTC for Moorestown platforms"
475 depends on X86_MRST
476 default y if X86_MRST
477
478 help
479 Say "yes" here to get direct support for the real time clock
480 found on Moorestown platforms. The VRTC is a emulated RTC that
481 derives its clock source from a real RTC in the PMIC. The MC146818
482 style programming interface is mostly conserved, but any
483 updates are done via IPC calls to the system controller FW.
484
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700485config RTC_DRV_DS1216
486 tristate "Dallas DS1216"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700487 depends on SNI_RM
Thomas Bogendoerfer537739d2007-07-17 04:05:06 -0700488 help
489 If you say yes here you get support for the Dallas DS1216 RTC chips.
490
Thomas Bogendoerfer5f119f22008-10-14 17:16:59 +0200491config RTC_DRV_DS1286
492 tristate "Dallas DS1286"
493 help
494 If you say yes here you get support for the Dallas DS1286 RTC chips.
495
Paul Mundt739d3402008-02-06 01:38:44 -0800496config RTC_DRV_DS1302
497 tristate "Dallas DS1302"
498 depends on SH_SECUREEDGE5410
499 help
500 If you say yes here you get support for the Dallas DS1302 RTC chips.
501
Andrew Sharp8f267952008-02-06 01:38:46 -0800502config RTC_DRV_DS1511
503 tristate "Dallas DS1511"
504 depends on RTC_CLASS
505 help
506 If you say yes here you get support for the
507 Dallas DS1511 timekeeping/watchdog chip.
508
509 This driver can also be built as a module. If so, the module
510 will be called rtc-ds1511.
511
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700512config RTC_DRV_DS1553
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800513 tristate "Maxim/Dallas DS1553"
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700514 help
515 If you say yes here you get support for the
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800516 Maxim/Dallas DS1553 timekeeping chip.
Atsushi Nemoto9bf5b4f2006-06-25 05:48:28 -0700517
518 This driver can also be built as a module. If so, the module
519 will be called rtc-ds1553.
520
Alessandro Zummo09b6bdb3b2008-02-06 01:38:40 -0800521config RTC_DRV_DS1742
522 tristate "Maxim/Dallas DS1742/1743"
523 help
524 If you say yes here you get support for the
525 Maxim/Dallas DS1742/1743 timekeeping chip.
526
527 This driver can also be built as a module. If so, the module
528 will be called rtc-ds1742.
529
dann frazier5e3fd9e2009-03-31 15:24:48 -0700530config RTC_DRV_EFI
531 tristate "EFI RTC"
532 depends on IA64
533 help
534 If you say yes here you will get support for the EFI
535 Real Time Clock.
536
537 This driver can also be built as a module. If so, the module
538 will be called rtc-efi.
539
Thomas Hommel02964112007-07-21 04:37:58 -0700540config RTC_DRV_STK17TA8
541 tristate "Simtek STK17TA8"
542 depends on RTC_CLASS
543 help
544 If you say yes here you get support for the
545 Simtek STK17TA8 timekeeping chip.
546
547 This driver can also be built as a module. If so, the module
548 will be called rtc-stk17ta8.
549
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700550config RTC_DRV_M48T86
551 tristate "ST M48T86/Dallas DS12887"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700552 help
553 If you say Y here you will get support for the
554 ST M48T86 and Dallas DS12887 RTC chips.
555
556 This driver can also be built as a module. If so, the module
557 will be called rtc-m48t86.
558
Thomas Bogendoerferd1dbd82e2008-10-14 17:17:32 +0200559config RTC_DRV_M48T35
560 tristate "ST M48T35"
561 help
562 If you say Y here you will get support for the
563 ST M48T35 RTC chip.
564
565 This driver can also be built as a module, if so, the module
566 will be called "rtc-m48t35".
567
Mark Zhan2e774c72007-07-17 04:05:05 -0700568config RTC_DRV_M48T59
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700569 tristate "ST M48T59/M48T08/M48T02"
Mark Zhan2e774c72007-07-17 04:05:05 -0700570 help
571 If you say Y here you will get support for the
Krzysztof Helt94fe7422008-09-03 15:12:34 -0700572 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
573
574 These chips are usually found in Sun SPARC and UltraSPARC
575 workstations.
Mark Zhan2e774c72007-07-17 04:05:05 -0700576
577 This driver can also be built as a module, if so, the module
578 will be called "rtc-m48t59".
579
Geert Uytterhoeven4f9b9bb2009-03-18 23:29:27 +0100580config RTC_DRV_MSM6242
581 tristate "Oki MSM6242"
582 help
583 If you say yes here you get support for the Oki MSM6242
584 timekeeping chip. It is used in some Amiga models (e.g. A2000).
585
586 This driver can also be built as a module. If so, the module
587 will be called rtc-msm6242.
588
Baruch Siacheba54542010-08-10 18:02:13 -0700589config RTC_DRV_IMXDI
590 tristate "Freescale IMX DryIce Real Time Clock"
591 depends on ARCH_MX25
592 depends on RTC_CLASS
593 help
594 Support for Freescale IMX DryIce RTC
595
596 This driver can also be built as a module, if so, the module
597 will be called "rtc-imxdi".
598
Daniel Mackd00ed3c2009-09-22 16:46:23 -0700599config RTC_MXC
600 tristate "Freescale MXC Real Time Clock"
601 depends on ARCH_MXC
602 depends on RTC_CLASS
603 help
604 If you say yes here you get support for the Freescale MXC
605 RTC module.
606
607 This driver can also be built as a module, if so, the module
608 will be called "rtc-mxc".
609
David S. Millercca4c232008-08-29 01:29:53 -0700610config RTC_DRV_BQ4802
611 tristate "TI BQ4802"
612 help
613 If you say Y here you will get support for the TI
614 BQ4802 RTC chip.
615
616 This driver can also be built as a module. If so, the module
617 will be called rtc-bq4802.
618
Geert Uytterhoeven4f672ce2009-03-18 23:29:27 +0100619config RTC_DRV_RP5C01
620 tristate "Ricoh RP5C01"
621 help
622 If you say yes here you get support for the Ricoh RP5C01
623 timekeeping chip. It is used in some Amiga models (e.g. A3000
624 and A4000).
625
626 This driver can also be built as a module. If so, the module
627 will be called rtc-rp5c01.
628
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700629config RTC_DRV_V3020
630 tristate "EM Microelectronic V3020"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700631 help
632 If you say yes here you will get support for the
633 EM Microelectronic v3020 RTC chip.
634
635 This driver can also be built as a module. If so, the module
636 will be called rtc-v3020.
637
Mark Brown35c86bf2009-08-27 19:59:05 +0200638config RTC_DRV_WM831X
639 tristate "Wolfson Microelectronics WM831x RTC"
640 depends on MFD_WM831X
641 help
642 If you say yes here you will get support for the RTC subsystem
643 of the Wolfson Microelectronics WM831X series PMICs.
644
645 This driver can also be built as a module. If so, the module
646 will be called "rtc-wm831x".
647
Mark Brown077eaf52008-11-12 13:27:04 -0800648config RTC_DRV_WM8350
649 tristate "Wolfson Microelectronics WM8350 RTC"
650 depends on MFD_WM8350
651 help
652 If you say yes here you will get support for the RTC subsystem
653 of the Wolfson Microelectronics WM8350.
654
655 This driver can also be built as a module. If so, the module
656 will be called "rtc-wm8350".
657
Balaji Raoeae854b2009-01-09 01:50:51 +0100658config RTC_DRV_PCF50633
659 depends on MFD_PCF50633
660 tristate "NXP PCF50633 RTC"
661 help
662 If you say yes here you get support for the RTC subsystem of the
663 NXP PCF50633 used in embedded systems.
664
Linus Walleijbd207cf2009-08-30 23:49:04 +0200665config RTC_DRV_AB3100
666 tristate "ST-Ericsson AB3100 RTC"
667 depends on AB3100_CORE
668 default y if AB3100_CORE
669 help
670 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
671 support. This chip contains a battery- and capacitor-backed RTC.
672
Virupax Sadashivpetimath0af62f42010-05-26 14:42:14 -0700673config RTC_DRV_AB8500
674 tristate "ST-Ericsson AB8500 RTC"
675 depends on AB8500_CORE
676 help
677 Select this to enable the ST-Ericsson AB8500 power management IC RTC
678 support. This chip contains a battery- and capacitor-backed RTC.
679
Wan ZongShunafd49a7e2009-12-15 16:46:17 -0800680config RTC_DRV_NUC900
681 tristate "NUC910/NUC920 RTC driver"
682 depends on RTC_CLASS && ARCH_W90X900
683 help
684 If you say yes here you get support for the RTC subsystem of the
685 NUC910/NUC920 used in embedded systems.
Linus Walleijbd207cf2009-08-30 23:49:04 +0200686
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700687comment "on-CPU RTC drivers"
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700688
Miguel Aguilar8ecf6c52009-11-05 08:51:34 -0600689config RTC_DRV_DAVINCI
690 tristate "TI DaVinci RTC"
691 depends on ARCH_DAVINCI_DM365
692 help
693 If you say yes here you get support for the RTC on the
694 DaVinci platforms (DM365).
695
696 This driver can also be built as a module. If so, the module
697 will be called rtc-davinci.
698
David Brownelldb68b182006-12-06 20:38:36 -0800699config RTC_DRV_OMAP
700 tristate "TI OMAP1"
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800701 depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
David Brownelldb68b182006-12-06 20:38:36 -0800702 help
Mark A. Greer8cfde8c2009-12-15 16:46:11 -0800703 Say "yes" here to support the real time clock on TI OMAP1 and
704 DA8xx/OMAP-L13x chips. This driver can also be built as a
705 module called rtc-omap.
David Brownelldb68b182006-12-06 20:38:36 -0800706
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530707config HAVE_S3C_RTC
708 bool
709 help
710 This will include RTC support for Samsung SoCs. If
711 you want to include RTC support for any machine, kindly
712 select this in the respective mach-XXXX/Kconfig file.
713
Ben Dooks1add6782006-07-01 04:36:26 -0700714config RTC_DRV_S3C
715 tristate "Samsung S3C series SoC RTC"
Atul Dahiya16f4efe2010-07-20 16:38:49 +0530716 depends on ARCH_S3C2410 || ARCH_S3C64XX || HAVE_S3C_RTC
Ben Dooks1add6782006-07-01 04:36:26 -0700717 help
718 RTC (Realtime Clock) driver for the clock inbuilt into the
719 Samsung S3C24XX series of SoCs. This can provide periodic
720 interrupt rates from 1Hz to 64Hz for user programs, and
721 wakeup from Alarm.
722
723 The driver currently supports the common features on all the
724 S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
725 and S3C2442.
726
727 This driver can also be build as a module. If so, the module
728 will be called rtc-s3c.
729
Alessandro Zummofd507e22006-03-27 01:16:45 -0800730config RTC_DRV_EP93XX
731 tristate "Cirrus Logic EP93XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700732 depends on ARCH_EP93XX
Alessandro Zummofd507e22006-03-27 01:16:45 -0800733 help
734 If you say yes here you get support for the
735 RTC embedded in the Cirrus Logic EP93XX processors.
736
737 This driver can also be built as a module. If so, the module
738 will be called rtc-ep93xx.
739
Richard Purdiee842f1c2006-03-27 01:16:46 -0800740config RTC_DRV_SA1100
741 tristate "SA11x0/PXA2xx"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700742 depends on ARCH_SA1100 || ARCH_PXA
Richard Purdiee842f1c2006-03-27 01:16:46 -0800743 help
744 If you say Y here you will get access to the real time clock
745 built into your SA11x0 or PXA2xx CPU.
746
747 To compile this driver as a module, choose M here: the
748 module will be called rtc-sa1100.
Alessandro Zummofd507e22006-03-27 01:16:45 -0800749
Paul Mundt317a6102006-09-27 17:13:19 +0900750config RTC_DRV_SH
751 tristate "SuperH On-Chip RTC"
Paul Mundt063adc72009-04-16 14:12:22 +0900752 depends on RTC_CLASS && SUPERH && HAVE_CLK
Paul Mundt317a6102006-09-27 17:13:19 +0900753 help
754 Say Y here to enable support for the on-chip RTC found in
755 most SuperH processors.
756
757 To compile this driver as a module, choose M here: the
758 module will be called rtc-sh.
759
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700760config RTC_DRV_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700761 tristate "NEC VR41XX"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700762 depends on CPU_VR41XX
Alessandro Zummo3e16f6a2006-04-10 22:54:48 -0700763 help
764 If you say Y here you will get access to the real time clock
765 built into your NEC VR41XX CPU.
766
767 To compile this driver as a module, choose M here: the
768 module will be called rtc-vr41xx.
Yoichi Yuasa8417eb72006-04-10 22:54:47 -0700769
Russell Kinga1909012008-04-20 12:08:36 +0100770config RTC_DRV_PL030
771 tristate "ARM AMBA PL030 RTC"
772 depends on ARM_AMBA
773 help
774 If you say Y here you will get access to ARM AMBA
775 PrimeCell PL030 RTC found on certain ARM SOCs.
776
777 To compile this driver as a module, choose M here: the
778 module will be called rtc-pl030.
779
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700780config RTC_DRV_PL031
781 tristate "ARM AMBA PL031 RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700782 depends on ARM_AMBA
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700783 help
784 If you say Y here you will get access to ARM AMBA
Alessandro Zummo09a21e52007-05-08 00:33:48 -0700785 PrimeCell PL031 RTC found on certain ARM SOCs.
Deepak Saxena8ae6e162006-06-25 05:47:38 -0700786
787 To compile this driver as a module, choose M here: the
788 module will be called rtc-pl031.
789
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700790config RTC_DRV_AT32AP700X
791 tristate "AT32AP700X series RTC"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700792 depends on PLATFORM_AT32AP
Hans-Christian Egtvedtfa04e782007-07-17 04:05:00 -0700793 help
794 Driver for the internal RTC (Realtime Clock) on Atmel AVR32
795 AT32AP700x family processors.
796
Andrew Victor7fc39f62006-12-10 02:19:03 -0800797config RTC_DRV_AT91RM9200
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200798 tristate "AT91RM9200 or some AT91SAM9 RTC"
799 depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
Andrew Victor788b1fc2006-06-25 05:48:27 -0700800 help
David Brownell4cdf8542008-02-06 01:38:59 -0800801 Driver for the internal RTC (Realtime Clock) module found on
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200802 Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
David Brownell4cdf8542008-02-06 01:38:59 -0800803 this is powered by the backup power supply.
804
805config RTC_DRV_AT91SAM9
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200806 tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
David Brownell4cdf8542008-02-06 01:38:59 -0800807 depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
808 help
Stelian Pop6b71dbf2008-04-05 21:16:15 +0100809 RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
810 (Real Time Timer). These timers are powered by the backup power
811 supply (such as a small coin cell battery), but do not need to
812 be used as RTCs.
David Brownell4cdf8542008-02-06 01:38:59 -0800813
Nicolas Ferre24cecc12010-10-22 19:12:52 +0200814 (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
815 dedicated RTC module and leave the RTT available for other uses.)
David Brownell4cdf8542008-02-06 01:38:59 -0800816
817config RTC_DRV_AT91SAM9_RTT
818 int
819 range 0 1
820 default 0
821 prompt "RTT module Number" if ARCH_AT91SAM9263
822 depends on RTC_DRV_AT91SAM9
823 help
Alessandro Zummoae64d162009-01-06 14:42:17 -0800824 More than one RTT module is available. You can choose which
825 one will be used as an RTC. The default of zero is normally
David Brownell4cdf8542008-02-06 01:38:59 -0800826 OK to use, though some systems use that for non-RTC purposes.
827
828config RTC_DRV_AT91SAM9_GPBR
829 int
830 range 0 3 if !ARCH_AT91SAM9263
831 range 0 15 if ARCH_AT91SAM9263
832 default 0
833 prompt "Backup Register Number"
834 depends on RTC_DRV_AT91SAM9
835 help
836 The RTC driver needs to use one of the General Purpose Backup
Alessandro Zummoae64d162009-01-06 14:42:17 -0800837 Registers (GPBRs) as well as the RTT. You can choose which one
838 will be used. The default of zero is normally OK to use, but
David Brownell4cdf8542008-02-06 01:38:59 -0800839 on some systems other software needs to use that register.
Andrew Victor788b1fc2006-06-25 05:48:27 -0700840
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800841config RTC_DRV_AU1XXX
842 tristate "Au1xxx Counter0 RTC support"
Manuel Lauss42a4f172010-07-15 21:45:04 +0200843 depends on MIPS_ALCHEMY
Manuel Lauss45fd8a02009-01-06 14:42:18 -0800844 help
845 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
846 counter) to be used as a RTC.
847
848 This driver can also be built as a module. If so, the module
849 will be called rtc-au1xxx.
850
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700851config RTC_DRV_BFIN
852 tristate "Blackfin On-Chip RTC"
Graf Yang7f604592008-08-20 14:09:02 -0700853 depends on BLACKFIN && !BF561
Wu, Bryan8cc75c92007-05-06 14:50:32 -0700854 help
855 If you say yes here you will get support for the
856 Blackfin On-Chip Real Time Clock.
857
858 This driver can also be built as a module. If so, the module
859 will be called rtc-bfin.
860
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700861config RTC_DRV_RS5C313
862 tristate "Ricoh RS5C313"
Jan Engelhardtbb35fb22007-07-31 00:39:46 -0700863 depends on SH_LANDISK
Nobuhiro Iwamatsue9f2bd82007-05-08 00:26:37 -0700864 help
865 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
866
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100867config RTC_DRV_GENERIC
868 tristate "Generic RTC support"
869 # Please consider writing a new RTC driver instead of using the generic
870 # RTC abstraction
Paul Mundt47c8a082009-04-27 17:34:39 +0900871 depends on PARISC || M68K || PPC || SUPERH32
Kyle McMartin9eb16862008-09-10 14:24:07 +0000872 help
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +0100873 Say Y or M here to enable RTC support on systems using the generic
874 RTC abstraction. If you do not know what you are doing, you should
Kyle McMartin9eb16862008-09-10 14:24:07 +0000875 just say Y.
876
Robert Jarzmikdc944362009-01-06 14:42:14 -0800877config RTC_DRV_PXA
878 tristate "PXA27x/PXA3xx"
879 depends on ARCH_PXA
880 help
881 If you say Y here you will get access to the real time clock
882 built into your PXA27x or PXA3xx CPU.
883
884 This RTC driver uses PXA RTC registers available since pxa27x
885 series (RDxR, RYxR) instead of legacy RCNR, RTAR.
886
Alexey Charkovf77fbdf2011-05-26 16:25:03 -0700887config RTC_DRV_VT8500
888 tristate "VIA/WonderMedia 85xx SoC RTC"
889 depends on ARCH_VT8500
890 help
891 If you say Y here you will get access to the real time clock
892 built into your VIA VT8500 SoC or its relatives.
893
Robert Jarzmikdc944362009-01-06 14:42:14 -0800894
David S. Miller7a138ed2008-08-29 01:32:43 -0700895config RTC_DRV_SUN4V
896 bool "SUN4V Hypervisor RTC"
897 depends on SPARC64
898 help
899 If you say Y here you will get support for the Hypervisor
900 based RTC on SUN4V systems.
901
David S. Millerde2cf332008-08-28 23:02:36 -0700902config RTC_DRV_STARFIRE
903 bool "Starfire RTC"
904 depends on SPARC64
905 help
906 If you say Y here you will get support for the RTC found on
907 Starfire systems.
908
Atsushi Nemoto0e149232009-01-06 14:42:22 -0800909config RTC_DRV_TX4939
910 tristate "TX4939 SoC"
911 depends on SOC_TX4939
912 help
913 Driver for the internal RTC (Realtime Clock) module found on
914 Toshiba TX4939 SoC.
915
Saeed Bisharadefb4512009-01-06 14:42:24 -0800916config RTC_DRV_MV
917 tristate "Marvell SoC RTC"
Saeed Bisharada432432009-11-24 19:33:53 +0200918 depends on ARCH_KIRKWOOD || ARCH_DOVE
Saeed Bisharadefb4512009-01-06 14:42:24 -0800919 help
920 If you say yes here you will get support for the in-chip RTC
921 that can be found in some of Marvell's SoC devices, such as
922 the Kirkwood 88F6281 and 88F6192.
923
924 This driver can also be built as a module. If so, the module
925 will be called rtc-mv.
926
Geert Uytterhoeven0b5f0372009-02-24 14:04:20 +0100927config RTC_DRV_PS3
928 tristate "PS3 RTC"
929 depends on PPC_PS3
930 help
931 If you say yes here you will get support for the RTC on PS3.
932
933 This driver can also be built as a module. If so, the module
934 will be called rtc-ps3.
935
Linus Walleijaa958f52009-09-22 16:46:24 -0700936config RTC_DRV_COH901331
937 tristate "ST-Ericsson COH 901 331 RTC"
938 depends on ARCH_U300
939 help
940 If you say Y here you will get access to ST-Ericsson
941 COH 901 331 RTC clock found in some ST-Ericsson Mobile
942 Platforms.
943
944 This driver can also be built as a module. If so, the module
945 will be called "rtc-coh901331".
946
947
dmitry pervushindf17f632009-09-22 16:46:26 -0700948config RTC_DRV_STMP
949 tristate "Freescale STMP3xxx RTC"
950 depends on ARCH_STMP3XXX
951 help
952 If you say yes here you will get support for the onboard
953 STMP3xxx RTC.
954
955 This driver can also be built as a module. If so, the module
956 will be called rtc-stmp3xxx.
957
Daniel Ribeirod3c7a3f2009-09-22 16:46:27 -0700958config RTC_DRV_PCAP
959 tristate "PCAP RTC"
960 depends on EZX_PCAP
961 help
962 If you say Y here you will get support for the RTC found on
963 the PCAP2 ASIC used on some Motorola phones.
964
Uwe Kleine-König1c978722010-10-28 12:30:53 +0200965config RTC_DRV_MC13XXX
966 depends on MFD_MC13XXX
967 tristate "Freescale MC13xxx RTC"
Uwe Kleine-König43299f2852009-12-15 16:46:09 -0800968 help
Uwe Kleine-König1c978722010-10-28 12:30:53 +0200969 This enables support for the RTCs found on Freescale's PMICs
970 MC13783 and MC13892.
Uwe Kleine-König43299f2852009-12-15 16:46:09 -0800971
Anatolij Gustschin50aae722010-02-16 10:47:35 -0700972config RTC_DRV_MPC5121
973 tristate "Freescale MPC5121 built-in RTC"
974 depends on PPC_MPC512x && RTC_CLASS
975 help
976 If you say yes here you will get support for the
977 built-in RTC MPC5121.
978
979 This driver can also be built as a module. If so, the module
980 will be called rtc-mpc5121.
981
Lars-Peter Clausen3bf0eea2010-06-19 18:29:50 +0000982config RTC_DRV_JZ4740
983 tristate "Ingenic JZ4740 SoC"
984 depends on RTC_CLASS
985 depends on MACH_JZ4740
986 help
987 If you say yes here you get support for the Ingenic JZ4740 SoC RTC
988 controller.
989
990 This driver can also be buillt as a module. If so, the module
991 will be called rtc-jz4740.
992
Kevin Wells9aa449b2010-10-27 15:33:01 -0700993config RTC_DRV_LPC32XX
994 depends on ARCH_LPC32XX
995 tristate "NXP LPC32XX RTC"
996 help
997 This enables support for the NXP RTC in the LPC32XX
998
999 This driver can also be buillt as a module. If so, the module
1000 will be called rtc-lpc32xx.
1001
Andrew Chewff859ba2011-03-22 16:34:55 -07001002config RTC_DRV_TEGRA
1003 tristate "NVIDIA Tegra Internal RTC driver"
1004 depends on RTC_CLASS && ARCH_TEGRA
1005 help
1006 If you say yes here you get support for the
1007 Tegra 200 series internal RTC module.
1008
1009 This drive can also be built as a module. If so, the module
1010 will be called rtc-tegra.
1011
Chris Metcalfdd196a22011-05-09 13:28:43 -04001012config RTC_DRV_TILE
1013 tristate "Tilera hypervisor RTC support"
1014 depends on TILE
1015 help
1016 Enable support for the Linux driver side of the Tilera
1017 hypervisor's real-time clock interface.
1018
Jan Engelhardtbb35fb22007-07-31 00:39:46 -07001019endif # RTC_CLASS