xref: /linux/drivers/rtc/Kconfig (revision 920f91e50c5bfcbc5fe68f46dc72a34a96e0ff16)
17be2c7c9SDavid Brownell#
2c58411e9SAlessandro Zummo# RTC class/drivers configuration
3c58411e9SAlessandro Zummo#
4c58411e9SAlessandro Zummo
5c58411e9SAlessandro Zummoconfig RTC_LIB
6b4d246b1SJohn Stultz	bool
70c86edc0SAlessandro Zummo
8bb35fb20SJan Engelhardtmenuconfig RTC_CLASS
9b4d246b1SJohn Stultz	bool "Real Time Clock"
100c86edc0SAlessandro Zummo	default n
113369465eSAl Viro	depends on !S390 && !UML
120c86edc0SAlessandro Zummo	select RTC_LIB
130c86edc0SAlessandro Zummo	help
140c86edc0SAlessandro Zummo	  Generic RTC class support. If you say yes here, you will
150c86edc0SAlessandro Zummo 	  be allowed to plug one or more RTCs to your system. You will
1627ae4104SAdrian Bunk	  probably want to enable one or more of the interfaces below.
170c86edc0SAlessandro Zummo
18bb35fb20SJan Engelhardtif RTC_CLASS
19bb35fb20SJan Engelhardt
200c86edc0SAlessandro Zummoconfig RTC_HCTOSYS
217ca1d488SDavid Brownell	bool "Set system time from RTC on startup and resume"
220c86edc0SAlessandro Zummo	default y
230c86edc0SAlessandro Zummo	help
247ca1d488SDavid Brownell	  If you say yes here, the system time (wall clock) will be set using
257ca1d488SDavid Brownell	  the value read from a specified RTC device. This is useful to avoid
267ca1d488SDavid Brownell	  unnecessary fsck runs at boot time, and to network better.
270c86edc0SAlessandro Zummo
28023f333aSJason Gunthorpeconfig RTC_SYSTOHC
29023f333aSJason Gunthorpe	bool "Set the RTC time based on NTP synchronization"
30023f333aSJason Gunthorpe	default y
31023f333aSJason Gunthorpe	help
32023f333aSJason Gunthorpe	  If you say yes here, the system time (wall clock) will be stored
33023f333aSJason Gunthorpe	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
34023f333aSJason Gunthorpe	  minutes if userspace reports synchronized NTP status.
35023f333aSJason Gunthorpe
360c86edc0SAlessandro Zummoconfig RTC_HCTOSYS_DEVICE
377ca1d488SDavid Brownell	string "RTC used to set the system time"
38023f333aSJason Gunthorpe	depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
390c86edc0SAlessandro Zummo	default "rtc0"
400c86edc0SAlessandro Zummo	help
417ca1d488SDavid Brownell	  The RTC device that will be used to (re)initialize the system
427ca1d488SDavid Brownell	  clock, usually rtc0. Initialization is done when the system
43779d2089SDavid Brownell	  starts up, and when it resumes from a low power state. This
44779d2089SDavid Brownell	  device should record time in UTC, since the kernel won't do
45779d2089SDavid Brownell	  timezone correction.
467ca1d488SDavid Brownell
4755ff1abaSDavid Brownell	  The driver for this RTC device must be loaded before late_initcall
4855ff1abaSDavid Brownell	  functions run, so it must usually be statically linked.
4955ff1abaSDavid Brownell
507ca1d488SDavid Brownell	  This clock should be battery-backed, so that it reads the correct
517ca1d488SDavid Brownell	  time when the system boots from a power-off state. Otherwise, your
527ca1d488SDavid Brownell	  system will need an external clock source (like an NTP server).
537ca1d488SDavid Brownell
547ca1d488SDavid Brownell	  If the clock you specify here is not battery backed, it may still
557ca1d488SDavid Brownell	  be useful to reinitialize system time when resuming from system
567ca1d488SDavid Brownell	  sleep states. Do not specify an RTC here unless it stays powered
577ca1d488SDavid Brownell	  during all this system's supported sleep states.
580c86edc0SAlessandro Zummo
599e86ecb6SDavid Brownellconfig RTC_DEBUG
609e86ecb6SDavid Brownell	bool "RTC debug support"
619e86ecb6SDavid Brownell	help
629e86ecb6SDavid Brownell	  Say yes here to enable debugging support in the RTC framework
639e86ecb6SDavid Brownell	  and individual RTC drivers.
649e86ecb6SDavid Brownell
650c86edc0SAlessandro Zummocomment "RTC interfaces"
660c86edc0SAlessandro Zummo
67c5c3e192SAlessandro Zummoconfig RTC_INTF_SYSFS
68e40659c5SDavid Brownell	boolean "/sys/class/rtc/rtcN (sysfs)"
69bb35fb20SJan Engelhardt	depends on SYSFS
708dc08395SKevin Hilman	default RTC_CLASS
71c5c3e192SAlessandro Zummo	help
729e86ecb6SDavid Brownell	  Say yes here if you want to use your RTCs using sysfs interfaces,
739e86ecb6SDavid Brownell	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
74c5c3e192SAlessandro Zummo
75ae64d169SAlessandro Zummo	  If unsure, say Y.
76c5c3e192SAlessandro Zummo
77728a2947SAlessandro Zummoconfig RTC_INTF_PROC
7892589c98SKim, Milo	boolean "/proc/driver/rtc (procfs for rtcN)"
79bb35fb20SJan Engelhardt	depends on PROC_FS
808dc08395SKevin Hilman	default RTC_CLASS
81728a2947SAlessandro Zummo	help
8292589c98SKim, Milo	  Say yes here if you want to use your system clock RTC through
8392589c98SKim, Milo	  the proc interface, /proc/driver/rtc.
8492589c98SKim, Milo	  Other RTCs will not be available through that API.
8592589c98SKim, Milo	  If there is no RTC for the system clock, then the first RTC(rtc0)
8692589c98SKim, Milo	  is used by default.
87728a2947SAlessandro Zummo
88ae64d169SAlessandro Zummo	  If unsure, say Y.
89728a2947SAlessandro Zummo
90e824290eSAlessandro Zummoconfig RTC_INTF_DEV
91e40659c5SDavid Brownell	boolean "/dev/rtcN (character devices)"
928dc08395SKevin Hilman	default RTC_CLASS
93e824290eSAlessandro Zummo	help
949e86ecb6SDavid Brownell	  Say yes here if you want to use your RTCs using the /dev
959e86ecb6SDavid Brownell	  interfaces, which "udev" sets up as /dev/rtc0 through
96ae64d169SAlessandro Zummo	  /dev/rtcN.
97e824290eSAlessandro Zummo
98ae64d169SAlessandro Zummo	  You may want to set up a symbolic link so one of these
99ae64d169SAlessandro Zummo	  can be accessed as /dev/rtc, which is a name
100ae64d169SAlessandro Zummo	  expected by "hwclock" and some other programs. Recent
101ae64d169SAlessandro Zummo	  versions of "udev" are known to set up the symlink for you.
102ae64d169SAlessandro Zummo
103ae64d169SAlessandro Zummo	  If unsure, say Y.
104e824290eSAlessandro Zummo
1056e57b1d6SJohn Stultzconfig RTC_INTF_DEV_UIE_EMUL
1066e57b1d6SJohn Stultz	bool "RTC UIE emulation on dev interface"
1076e57b1d6SJohn Stultz	depends on RTC_INTF_DEV
1086e57b1d6SJohn Stultz	help
1096e57b1d6SJohn Stultz	  Provides an emulation for RTC_UIE if the underlying rtc chip
1106e57b1d6SJohn Stultz	  driver does not expose RTC_UIE ioctls. Those requests generate
1116e57b1d6SJohn Stultz	  once-per-second update interrupts, used for synchronization.
1126e57b1d6SJohn Stultz
1136e57b1d6SJohn Stultz	  The emulation code will read the time from the hardware
1146e57b1d6SJohn Stultz	  clock several times per second, please enable this option
1156e57b1d6SJohn Stultz	  only if you know that you really need it.
1166e57b1d6SJohn Stultz
11709a21e56SAlessandro Zummoconfig RTC_DRV_TEST
11809a21e56SAlessandro Zummo	tristate "Test driver/device"
11909a21e56SAlessandro Zummo	help
12009a21e56SAlessandro Zummo	  If you say yes here you get support for the
12109a21e56SAlessandro Zummo	  RTC test driver. It's a software RTC which can be
12209a21e56SAlessandro Zummo	  used to test the RTC subsystem APIs. It gets
12309a21e56SAlessandro Zummo	  the time from the system clock.
12409a21e56SAlessandro Zummo	  You want this driver only if you are doing development
12509a21e56SAlessandro Zummo	  on the RTC subsystem. Please read the source code
12609a21e56SAlessandro Zummo	  for further details.
12709a21e56SAlessandro Zummo
12809a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
12909a21e56SAlessandro Zummo	  will be called rtc-test.
13009a21e56SAlessandro Zummo
13109a21e56SAlessandro Zummocomment "I2C RTC drivers"
132bb35fb20SJan Engelhardt	depends on I2C
133bb35fb20SJan Engelhardt
134bb35fb20SJan Engelhardtif I2C
13509a21e56SAlessandro Zummo
136008b3040SHaojian Zhuangconfig RTC_DRV_88PM860X
137008b3040SHaojian Zhuang	tristate "Marvell 88PM860x"
1386b8029faSVenu Byravarasu	depends on I2C && MFD_88PM860X
139008b3040SHaojian Zhuang	help
140008b3040SHaojian Zhuang	  If you say yes here you get support for RTC function in Marvell
141008b3040SHaojian Zhuang	  88PM860x chips.
142008b3040SHaojian Zhuang
143008b3040SHaojian Zhuang	  This driver can also be built as a module. If so, the module
144008b3040SHaojian Zhuang	  will be called rtc-88pm860x.
145008b3040SHaojian Zhuang
1462985c29cSQiao Zhouconfig RTC_DRV_88PM80X
1472985c29cSQiao Zhou	tristate "Marvell 88PM80x"
1486b8029faSVenu Byravarasu	depends on I2C && MFD_88PM800
1492985c29cSQiao Zhou	help
1502985c29cSQiao Zhou	  If you say yes here you get support for RTC function in Marvell
1512985c29cSQiao Zhou	  88PM80x chips.
1522985c29cSQiao Zhou
1532985c29cSQiao Zhou	  This driver can also be built as a module. If so, the module
1542985c29cSQiao Zhou	  will be called rtc-88pm80x.
1552985c29cSQiao Zhou
156b4506261SLaxman Dewanganconfig RTC_DRV_AS3722
157b4506261SLaxman Dewangan	tristate "ams AS3722 RTC driver"
158b4506261SLaxman Dewangan	depends on MFD_AS3722
159b4506261SLaxman Dewangan	help
160b4506261SLaxman Dewangan	  If you say yes here you get support for the RTC of ams AS3722 PMIC
161b4506261SLaxman Dewangan	  chips.
162b4506261SLaxman Dewangan
163b4506261SLaxman Dewangan	  This driver can also be built as a module. If so, the module
164b4506261SLaxman Dewangan	  will be called rtc-as3722.
165b4506261SLaxman Dewangan
16609a21e56SAlessandro Zummoconfig RTC_DRV_DS1307
167a2166858SMatthias Fuchs	tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
16809a21e56SAlessandro Zummo	help
16909a21e56SAlessandro Zummo	  If you say yes here you get support for various compatible RTC
17009a21e56SAlessandro Zummo	  chips (often with battery backup) connected with I2C. This driver
17109a21e56SAlessandro Zummo	  should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
172a2166858SMatthias Fuchs	  EPSON RX-8025 and probably other chips. In some cases the RTC
173a2166858SMatthias Fuchs	  must already have been initialized (by manufacturing or a
174a2166858SMatthias Fuchs	  bootloader).
17509a21e56SAlessandro Zummo
17609a21e56SAlessandro Zummo	  The first seven registers on these chips hold an RTC, and other
17709a21e56SAlessandro Zummo	  registers may add features such as NVRAM, a trickle charger for
178682d73f6SDavid Brownell	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
179682d73f6SDavid Brownell	  sysfs, but other chip features may not be available.
18009a21e56SAlessandro Zummo
18109a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
18209a21e56SAlessandro Zummo	  will be called rtc-ds1307.
18309a21e56SAlessandro Zummo
184bf4994d7SScott Woodconfig RTC_DRV_DS1374
18509b6bdb3SAlessandro Zummo	tristate "Dallas/Maxim DS1374"
1866b8029faSVenu Byravarasu	depends on I2C
187bf4994d7SScott Wood	help
188bf4994d7SScott Wood	  If you say yes here you get support for Dallas Semiconductor
189bf4994d7SScott Wood	  DS1374 real-time clock chips. If an interrupt is associated
190bf4994d7SScott Wood	  with the device, the alarm functionality is supported.
191bf4994d7SScott Wood
192bf4994d7SScott Wood	  This driver can also be built as a module. If so, the module
193bf4994d7SScott Wood	  will be called rtc-ds1374.
194bf4994d7SScott Wood
195*920f91e5SSøren Andersenconfig RTC_DRV_DS1374_WDT
196*920f91e5SSøren Andersen	bool "Dallas/Maxim DS1374 watchdog timer"
197*920f91e5SSøren Andersen	depends on RTC_DRV_DS1374
198*920f91e5SSøren Andersen	help
199*920f91e5SSøren Andersen	  If you say Y here you will get support for the
200*920f91e5SSøren Andersen	  watchdog timer in the Dallas Semiconductor DS1374
201*920f91e5SSøren Andersen	  real-time clock chips.
202*920f91e5SSøren Andersen
20309a21e56SAlessandro Zummoconfig RTC_DRV_DS1672
20409a21e56SAlessandro Zummo	tristate "Dallas/Maxim DS1672"
20509a21e56SAlessandro Zummo	help
20609a21e56SAlessandro Zummo	  If you say yes here you get support for the
20709a21e56SAlessandro Zummo	  Dallas/Maxim DS1672 timekeeping chip.
20809a21e56SAlessandro Zummo
20909a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
21009a21e56SAlessandro Zummo	  will be called rtc-ds1672.
21109a21e56SAlessandro Zummo
212c03675f0SRoy Zangconfig RTC_DRV_DS3232
213c03675f0SRoy Zang	tristate "Dallas/Maxim DS3232"
2146b8029faSVenu Byravarasu	depends on I2C
215c03675f0SRoy Zang	help
216c03675f0SRoy Zang	  If you say yes here you get support for Dallas Semiconductor
217f46418c5SLan Chunhe-B25806	  DS3232 real-time clock chips. If an interrupt is associated
218f46418c5SLan Chunhe-B25806	  with the device, the alarm functionality is supported.
219c03675f0SRoy Zang
220c03675f0SRoy Zang	  This driver can also be built as a module.  If so, the module
221c03675f0SRoy Zang	  will be called rtc-ds3232.
222c03675f0SRoy Zang
223dcaf0384SHeiko Stuebnerconfig RTC_DRV_HYM8563
224dcaf0384SHeiko Stuebner	tristate "Haoyu Microelectronics HYM8563"
225dcaf0384SHeiko Stuebner	depends on I2C && OF
226dcaf0384SHeiko Stuebner	help
227dcaf0384SHeiko Stuebner	  Say Y to enable support for the HYM8563 I2C RTC chip. Apart
228dcaf0384SHeiko Stuebner	  from the usual rtc functions it provides a clock output of
229dcaf0384SHeiko Stuebner	  up to 32kHz.
230dcaf0384SHeiko Stuebner
231dcaf0384SHeiko Stuebner	  This driver can also be built as a module. If so, the module
232dcaf0384SHeiko Stuebner	  will be called rtc-hym8563.
233dcaf0384SHeiko Stuebner
23438ae176eSKim, Miloconfig RTC_DRV_LP8788
23538ae176eSKim, Milo	tristate "TI LP8788 RTC driver"
23638ae176eSKim, Milo	depends on MFD_LP8788
23738ae176eSKim, Milo	help
23838ae176eSKim, Milo	  Say Y to enable support for the LP8788 RTC/ALARM driver.
23938ae176eSKim, Milo
24009a21e56SAlessandro Zummoconfig RTC_DRV_MAX6900
24109b6bdb3SAlessandro Zummo	tristate "Maxim MAX6900"
24209a21e56SAlessandro Zummo	help
24309a21e56SAlessandro Zummo	  If you say yes here you will get support for the
24409a21e56SAlessandro Zummo	  Maxim MAX6900 I2C RTC chip.
24509a21e56SAlessandro Zummo
24609a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
24709a21e56SAlessandro Zummo	  will be called rtc-max6900.
24809a21e56SAlessandro Zummo
24994c01ab6SStephen Warrenconfig RTC_DRV_MAX8907
25094c01ab6SStephen Warren	tristate "Maxim MAX8907"
25194c01ab6SStephen Warren	depends on MFD_MAX8907
25294c01ab6SStephen Warren	help
25394c01ab6SStephen Warren	  If you say yes here you will get support for the
25494c01ab6SStephen Warren	  RTC of Maxim MAX8907 PMIC.
25594c01ab6SStephen Warren
25694c01ab6SStephen Warren	  This driver can also be built as a module. If so, the module
25794c01ab6SStephen Warren	  will be called rtc-max8907.
25894c01ab6SStephen Warren
259a39069f6SHaojian Zhuangconfig RTC_DRV_MAX8925
260a39069f6SHaojian Zhuang	tristate "Maxim MAX8925"
261a39069f6SHaojian Zhuang	depends on MFD_MAX8925
262a39069f6SHaojian Zhuang	help
263a39069f6SHaojian Zhuang	  If you say yes here you will get support for the
264a39069f6SHaojian Zhuang	  RTC of Maxim MAX8925 PMIC.
265a39069f6SHaojian Zhuang
266a39069f6SHaojian Zhuang	  This driver can also be built as a module. If so, the module
267a39069f6SHaojian Zhuang	  will be called rtc-max8925.
268a39069f6SHaojian Zhuang
2699b16c0a4SJoonyoung Shimconfig RTC_DRV_MAX8998
2709b16c0a4SJoonyoung Shim	tristate "Maxim MAX8998"
2719b16c0a4SJoonyoung Shim	depends on MFD_MAX8998
2729b16c0a4SJoonyoung Shim	help
2739b16c0a4SJoonyoung Shim	  If you say yes here you will get support for the
2749b16c0a4SJoonyoung Shim	  RTC of Maxim MAX8998 PMIC.
2759b16c0a4SJoonyoung Shim
2769b16c0a4SJoonyoung Shim	  This driver can also be built as a module. If so, the module
2779b16c0a4SJoonyoung Shim	  will be called rtc-max8998.
2789b16c0a4SJoonyoung Shim
2795e0b2704SJonghwa Leeconfig RTC_DRV_MAX8997
2805e0b2704SJonghwa Lee	tristate "Maxim MAX8997"
2815e0b2704SJonghwa Lee	depends on MFD_MAX8997
2825e0b2704SJonghwa Lee	help
2835e0b2704SJonghwa Lee	  If you say yes here you will get support for the
2845e0b2704SJonghwa Lee	  RTC of Maxim MAX8997 PMIC.
2855e0b2704SJonghwa Lee
2865e0b2704SJonghwa Lee	  This driver can also be built as a module. If so, the module
2875e0b2704SJonghwa Lee	  will be called rtc-max8997.
2885e0b2704SJonghwa Lee
289fca1dd03SJonghwa Leeconfig RTC_DRV_MAX77686
290fca1dd03SJonghwa Lee	tristate "Maxim MAX77686"
291fca1dd03SJonghwa Lee	depends on MFD_MAX77686
292fca1dd03SJonghwa Lee	help
293fca1dd03SJonghwa Lee	  If you say yes here you will get support for the
294fca1dd03SJonghwa Lee	  RTC of Maxim MAX77686 PMIC.
295fca1dd03SJonghwa Lee
296fca1dd03SJonghwa Lee	  This driver can also be built as a module. If so, the module
297fca1dd03SJonghwa Lee	  will be called rtc-max77686.
298fca1dd03SJonghwa Lee
2993ca1e326SChris Zhongconfig RTC_DRV_RK808
3003ca1e326SChris Zhong	tristate "Rockchip RK808 RTC"
3013ca1e326SChris Zhong	depends on MFD_RK808
3023ca1e326SChris Zhong	help
3033ca1e326SChris Zhong	  If you say yes here you will get support for the
3043ca1e326SChris Zhong	  RTC of RK808 PMIC.
3053ca1e326SChris Zhong
3063ca1e326SChris Zhong	  This driver can also be built as a module. If so, the module
3073ca1e326SChris Zhong	  will be called rk808-rtc.
3083ca1e326SChris Zhong
309a4d4121bSJavier Martinez Canillasconfig RTC_DRV_MAX77802
310a4d4121bSJavier Martinez Canillas	tristate "Maxim 77802 RTC"
311a4d4121bSJavier Martinez Canillas	depends on MFD_MAX77686
312a4d4121bSJavier Martinez Canillas	help
313a4d4121bSJavier Martinez Canillas	  If you say yes here you will get support for the
314a4d4121bSJavier Martinez Canillas	  RTC of Maxim MAX77802 PMIC.
315a4d4121bSJavier Martinez Canillas
316a4d4121bSJavier Martinez Canillas	  This driver can also be built as a module. If so, the module
317a4d4121bSJavier Martinez Canillas	  will be called rtc-max77802.
318a4d4121bSJavier Martinez Canillas
31909a21e56SAlessandro Zummoconfig RTC_DRV_RS5C372
3205d4529beSPaul Mundt	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
32109a21e56SAlessandro Zummo	help
32209a21e56SAlessandro Zummo	  If you say yes here you get support for the
3235d4529beSPaul Mundt	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
32409a21e56SAlessandro Zummo
32509a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
32609a21e56SAlessandro Zummo	  will be called rtc-rs5c372.
32709a21e56SAlessandro Zummo
32809a21e56SAlessandro Zummoconfig RTC_DRV_ISL1208
32909b6bdb3SAlessandro Zummo	tristate "Intersil ISL1208"
33009a21e56SAlessandro Zummo	help
33109a21e56SAlessandro Zummo	  If you say yes here you get support for the
33209b6bdb3SAlessandro Zummo	  Intersil ISL1208 RTC chip.
33309a21e56SAlessandro Zummo
33409a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
33509a21e56SAlessandro Zummo	  will be called rtc-isl1208.
33609a21e56SAlessandro Zummo
337d6c7428fSRoman Fietzeconfig RTC_DRV_ISL12022
338d6c7428fSRoman Fietze	tristate "Intersil ISL12022"
339d6c7428fSRoman Fietze	help
340d6c7428fSRoman Fietze	  If you say yes here you get support for the
341d6c7428fSRoman Fietze	  Intersil ISL12022 RTC chip.
342d6c7428fSRoman Fietze
343d6c7428fSRoman Fietze	  This driver can also be built as a module. If so, the module
344d6c7428fSRoman Fietze	  will be called rtc-isl12022.
345d6c7428fSRoman Fietze
34670e12337SArnaud Ebalardconfig RTC_DRV_ISL12057
34770e12337SArnaud Ebalard       depends on I2C
34870e12337SArnaud Ebalard       select REGMAP_I2C
34970e12337SArnaud Ebalard       tristate "Intersil ISL12057"
35070e12337SArnaud Ebalard       help
35170e12337SArnaud Ebalard	  If you say yes here you get support for the Intersil ISL12057
35270e12337SArnaud Ebalard	  I2C RTC chip.
35370e12337SArnaud Ebalard
35470e12337SArnaud Ebalard	  This driver can also be built as a module. If so, the module
35570e12337SArnaud Ebalard	  will be called rtc-isl12057.
35670e12337SArnaud Ebalard
35709a21e56SAlessandro Zummoconfig RTC_DRV_X1205
35809a21e56SAlessandro Zummo	tristate "Xicor/Intersil X1205"
35909a21e56SAlessandro Zummo	help
36009a21e56SAlessandro Zummo	  If you say yes here you get support for the
36109a21e56SAlessandro Zummo	  Xicor/Intersil X1205 RTC chip.
36209a21e56SAlessandro Zummo
36309a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
36409a21e56SAlessandro Zummo	  will be called rtc-x1205.
36509a21e56SAlessandro Zummo
3660101e53cSLaxman Dewanganconfig RTC_DRV_PALMAS
3670101e53cSLaxman Dewangan	tristate "TI Palmas RTC driver"
3680101e53cSLaxman Dewangan	depends on MFD_PALMAS
3690101e53cSLaxman Dewangan	help
3700101e53cSLaxman Dewangan	  If you say yes here you get support for the RTC of TI PALMA series PMIC
3710101e53cSLaxman Dewangan	  chips.
3720101e53cSLaxman Dewangan
3730101e53cSLaxman Dewangan	  This driver can also be built as a module. If so, the module
3740101e53cSLaxman Dewangan	  will be called rtc-palma.
3750101e53cSLaxman Dewangan
37618cb6368SRenaud Cerratoconfig RTC_DRV_PCF2127
37718cb6368SRenaud Cerrato	tristate "NXP PCF2127"
37818cb6368SRenaud Cerrato	help
37918cb6368SRenaud Cerrato	  If you say yes here you get support for the NXP PCF2127/29 RTC
38018cb6368SRenaud Cerrato	  chips.
38118cb6368SRenaud Cerrato
38218cb6368SRenaud Cerrato	  This driver can also be built as a module. If so, the module
38318cb6368SRenaud Cerrato	  will be called rtc-pcf2127.
38418cb6368SRenaud Cerrato
385f803f0d0SThierry Redingconfig RTC_DRV_PCF8523
386f803f0d0SThierry Reding	tristate "NXP PCF8523"
387f803f0d0SThierry Reding	help
388f803f0d0SThierry Reding	  If you say yes here you get support for the NXP PCF8523 RTC
389f803f0d0SThierry Reding	  chips.
390f803f0d0SThierry Reding
391f803f0d0SThierry Reding	  This driver can also be built as a module. If so, the module
392f803f0d0SThierry Reding	  will be called rtc-pcf8523.
393f803f0d0SThierry Reding
39409a21e56SAlessandro Zummoconfig RTC_DRV_PCF8563
39509a21e56SAlessandro Zummo	tristate "Philips PCF8563/Epson RTC8564"
39609a21e56SAlessandro Zummo	help
39709a21e56SAlessandro Zummo	  If you say yes here you get support for the
39809a21e56SAlessandro Zummo	  Philips PCF8563 RTC chip. The Epson RTC8564
39909a21e56SAlessandro Zummo	  should work as well.
40009a21e56SAlessandro Zummo
40109a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
40209a21e56SAlessandro Zummo	  will be called rtc-pcf8563.
40309a21e56SAlessandro Zummo
404796b7abbSSøren Andersenconfig RTC_DRV_PCF85063
405796b7abbSSøren Andersen	tristate "nxp PCF85063"
406796b7abbSSøren Andersen	help
407796b7abbSSøren Andersen	  If you say yes here you get support for the PCF85063 RTC chip
408796b7abbSSøren Andersen
409796b7abbSSøren Andersen	  This driver can also be built as a module. If so, the module
410796b7abbSSøren Andersen	  will be called rtc-pcf85063.
411796b7abbSSøren Andersen
41209a21e56SAlessandro Zummoconfig RTC_DRV_PCF8583
41309a21e56SAlessandro Zummo	tristate "Philips PCF8583"
41409a21e56SAlessandro Zummo	help
41509a21e56SAlessandro Zummo	  If you say yes here you get support for the Philips PCF8583
41609a21e56SAlessandro Zummo	  RTC chip found on Acorn RiscPCs. This driver supports the
41709a21e56SAlessandro Zummo	  platform specific method of retrieving the current year from
41809a21e56SAlessandro Zummo	  the RTC's SRAM. It will work on other platforms with the same
41909a21e56SAlessandro Zummo	  chip, but the year will probably have to be tweaked.
42009a21e56SAlessandro Zummo
42109a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
42209a21e56SAlessandro Zummo	  will be called rtc-pcf8583.
42309a21e56SAlessandro Zummo
424caaff562SAtsushi Nemotoconfig RTC_DRV_M41T80
4256b1a5235SWolfram Sang	tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible"
426caaff562SAtsushi Nemoto	help
427d3a126fcSSteven A. Falco	  If you say Y here you will get support for the ST M41T60
428d3a126fcSSteven A. Falco	  and M41T80 RTC chips series. Currently, the following chips are
429f30281f4SDaniel Glockner	  supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
4306b1a5235SWolfram Sang	  M41ST85, M41ST87, and MicroCrystal RV4162.
431caaff562SAtsushi Nemoto
432caaff562SAtsushi Nemoto	  This driver can also be built as a module. If so, the module
433caaff562SAtsushi Nemoto	  will be called rtc-m41t80.
434caaff562SAtsushi Nemoto
435617780d2SAtsushi Nemotoconfig RTC_DRV_M41T80_WDT
436d3a126fcSSteven A. Falco	bool "ST M41T65/M41T80 series RTC watchdog timer"
437617780d2SAtsushi Nemoto	depends on RTC_DRV_M41T80
438617780d2SAtsushi Nemoto	help
439617780d2SAtsushi Nemoto	  If you say Y here you will get support for the
440d3a126fcSSteven A. Falco	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
441617780d2SAtsushi Nemoto
4421ce7c83fSPiotr Ziecikconfig RTC_DRV_BQ32K
4431ce7c83fSPiotr Ziecik	tristate "TI BQ32000"
4441ce7c83fSPiotr Ziecik	help
4451ce7c83fSPiotr Ziecik	  If you say Y here you will get support for the TI
4461ce7c83fSPiotr Ziecik	  BQ32000 I2C RTC chip.
4471ce7c83fSPiotr Ziecik
4481ce7c83fSPiotr Ziecik	  This driver can also be built as a module. If so, the module
4491ce7c83fSPiotr Ziecik	  will be called rtc-bq32k.
4501ce7c83fSPiotr Ziecik
451afd8d0f9SDavid Brownellconfig RTC_DRV_DM355EVM
452afd8d0f9SDavid Brownell	tristate "TI DaVinci DM355 EVM RTC"
453afd8d0f9SDavid Brownell	depends on MFD_DM355EVM_MSP
454afd8d0f9SDavid Brownell	help
455afd8d0f9SDavid Brownell	  Supports the RTC firmware in the MSP430 on the DM355 EVM.
456afd8d0f9SDavid Brownell
4570c4a59feSTony Lindgrenconfig RTC_DRV_TWL92330
4580c4a59feSTony Lindgren	boolean "TI TWL92330/Menelaus"
459bb35fb20SJan Engelhardt	depends on MENELAUS
4600c4a59feSTony Lindgren	help
4610c4a59feSTony Lindgren	  If you say yes here you get support for the RTC on the
46201dd2fbfSMatt LaPlante	  TWL92330 "Menelaus" power management chip, used with OMAP2
4630c4a59feSTony Lindgren	  platforms. The support is integrated with the rest of
4640c4a59feSTony Lindgren	  the Menelaus driver; it's not separate module.
4650c4a59feSTony Lindgren
466f96411abSDavid Brownellconfig RTC_DRV_TWL4030
467a6b49ffdSBalaji T K	tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
4686b8029faSVenu Byravarasu	depends on TWL4030_CORE
469f96411abSDavid Brownell	help
470f96411abSDavid Brownell	  If you say yes here you get support for the RTC on the
471a6b49ffdSBalaji T K	  TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
472f96411abSDavid Brownell
473f96411abSDavid Brownell	  This driver can also be built as a module. If so, the module
474a6b49ffdSBalaji T K	  will be called rtc-twl.
475f96411abSDavid Brownell
476dc59ed38SLaxman Dewanganconfig RTC_DRV_TPS6586X
477dc59ed38SLaxman Dewangan	tristate "TI TPS6586X RTC driver"
478dc59ed38SLaxman Dewangan	depends on MFD_TPS6586X
479dc59ed38SLaxman Dewangan	help
480a895d57dSMasanari Iida	  TI Power Management IC TPS6586X supports RTC functionality
481dc59ed38SLaxman Dewangan	  along with alarm. This driver supports the RTC driver for
482dc59ed38SLaxman Dewangan	  the TPS6586X RTC module.
483dc59ed38SLaxman Dewangan
4840e783980SVenu Byravarasuconfig RTC_DRV_TPS65910
4850e783980SVenu Byravarasu	tristate "TI TPS65910 RTC driver"
4860e783980SVenu Byravarasu	depends on RTC_CLASS && MFD_TPS65910
4870e783980SVenu Byravarasu	help
4880e783980SVenu Byravarasu	  If you say yes here you get support for the RTC on the
4890e783980SVenu Byravarasu	  TPS65910 chips.
4900e783980SVenu Byravarasu
4910e783980SVenu Byravarasu	  This driver can also be built as a module. If so, the module
4920e783980SVenu Byravarasu	  will be called rtc-tps65910.
4930e783980SVenu Byravarasu
49436d61824SLaxman Dewanganconfig RTC_DRV_TPS80031
49536d61824SLaxman Dewangan	tristate "TI TPS80031/TPS80032 RTC driver"
49636d61824SLaxman Dewangan	depends on MFD_TPS80031
49736d61824SLaxman Dewangan	help
498a895d57dSMasanari Iida	  TI Power Management IC TPS80031 supports RTC functionality
49936d61824SLaxman Dewangan	  along with alarm. This driver supports the RTC driver for
50036d61824SLaxman Dewangan	  the TPS80031 RTC module.
50136d61824SLaxman Dewangan
50290829c08SVenu Byravarasuconfig RTC_DRV_RC5T583
50390829c08SVenu Byravarasu	tristate "RICOH 5T583 RTC driver"
50490829c08SVenu Byravarasu	depends on MFD_RC5T583
50590829c08SVenu Byravarasu	help
50690829c08SVenu Byravarasu	  If you say yes here you get support for the RTC on the
50790829c08SVenu Byravarasu	  RICOH 5T583 chips.
50890829c08SVenu Byravarasu
50990829c08SVenu Byravarasu	  This driver can also be built as a module. If so, the module
51090829c08SVenu Byravarasu	  will be called rtc-rc5t583.
51190829c08SVenu Byravarasu
512c46288b0SByron Bradleyconfig RTC_DRV_S35390A
513c46288b0SByron Bradley	tristate "Seiko Instruments S-35390A"
514d479540dSRandy Dunlap	select BITREVERSE
515c46288b0SByron Bradley	help
516c46288b0SByron Bradley	  If you say yes here you will get support for the Seiko
517c46288b0SByron Bradley	  Instruments S-35390A.
518c46288b0SByron Bradley
519c46288b0SByron Bradley	  This driver can also be built as a module. If so the module
520c46288b0SByron Bradley	  will be called rtc-s35390a.
521c46288b0SByron Bradley
522c6d8f400SSergey Lapinconfig RTC_DRV_FM3130
523c6d8f400SSergey Lapin	tristate "Ramtron FM3130"
524c6d8f400SSergey Lapin	help
525c6d8f400SSergey Lapin	  If you say Y here you will get support for the
526c6d8f400SSergey Lapin	  Ramtron FM3130 RTC chips.
527c6d8f400SSergey Lapin	  Ramtron FM3130 is a chip with two separate devices inside,
528c6d8f400SSergey Lapin	  RTC clock and FRAM. This driver provides only RTC functionality.
529c6d8f400SSergey Lapin
530c6d8f400SSergey Lapin	  This driver can also be built as a module. If so the module
531c6d8f400SSergey Lapin	  will be called rtc-fm3130.
532c6d8f400SSergey Lapin
533a7fa9851SMartyn Welchconfig RTC_DRV_RX8581
534a7fa9851SMartyn Welch	tristate "Epson RX-8581"
535a7fa9851SMartyn Welch	help
536a7fa9851SMartyn Welch	  If you say yes here you will get support for the Epson RX-8581.
537a7fa9851SMartyn Welch
538a7fa9851SMartyn Welch	  This driver can also be built as a module. If so the module
539a7fa9851SMartyn Welch	  will be called rtc-rx8581.
540a7fa9851SMartyn Welch
5413c2b9075SWolfgang Grandeggerconfig RTC_DRV_RX8025
5423c2b9075SWolfgang Grandegger	tristate "Epson RX-8025SA/NB"
5433c2b9075SWolfgang Grandegger	help
5443c2b9075SWolfgang Grandegger	  If you say yes here you get support for the Epson
5453c2b9075SWolfgang Grandegger	  RX-8025SA/NB RTC chips.
5463c2b9075SWolfgang Grandegger
5473c2b9075SWolfgang Grandegger	  This driver can also be built as a module. If so, the module
5483c2b9075SWolfgang Grandegger	  will be called rtc-rx8025.
5493c2b9075SWolfgang Grandegger
550ae3551f9SMike Rapoportconfig RTC_DRV_EM3027
551ae3551f9SMike Rapoport	tristate "EM Microelectronic EM3027"
552ae3551f9SMike Rapoport	help
553ae3551f9SMike Rapoport	  If you say yes here you get support for the EM
554ae3551f9SMike Rapoport	  Microelectronic EM3027 RTC chips.
555ae3551f9SMike Rapoport
556ae3551f9SMike Rapoport	  This driver can also be built as a module. If so, the module
557ae3551f9SMike Rapoport	  will be called rtc-em3027.
558ae3551f9SMike Rapoport
55952365230SHeiko Schocherconfig RTC_DRV_RV3029C2
56052365230SHeiko Schocher	tristate "Micro Crystal RTC"
56152365230SHeiko Schocher	help
56252365230SHeiko Schocher	  If you say yes here you get support for the Micro Crystal
56352365230SHeiko Schocher	  RV3029-C2 RTC chips.
56452365230SHeiko Schocher
56552365230SHeiko Schocher	  This driver can also be built as a module. If so, the module
56652365230SHeiko Schocher	  will be called rtc-rv3029c2.
56752365230SHeiko Schocher
5685bccae6eSSangbeom Kimconfig RTC_DRV_S5M
5690c5deb1eSKrzysztof Kozlowski	tristate "Samsung S2M/S5M series"
5705bccae6eSSangbeom Kim	depends on MFD_SEC_CORE
5715bccae6eSSangbeom Kim	help
5725bccae6eSSangbeom Kim	  If you say yes here you will get support for the
5730c5deb1eSKrzysztof Kozlowski	  RTC of Samsung S2MPS14 and S5M PMIC series.
5745bccae6eSSangbeom Kim
5755bccae6eSSangbeom Kim	  This driver can also be built as a module. If so, the module
5765bccae6eSSangbeom Kim	  will be called rtc-s5m.
5775bccae6eSSangbeom Kim
578bb35fb20SJan Engelhardtendif # I2C
579bb35fb20SJan Engelhardt
58009a21e56SAlessandro Zummocomment "SPI RTC drivers"
581bb35fb20SJan Engelhardt
582bb35fb20SJan Engelhardtif SPI_MASTER
58309a21e56SAlessandro Zummo
58474d34d4bSVoss, Nikolausconfig RTC_DRV_M41T93
58574d34d4bSVoss, Nikolaus        tristate "ST M41T93"
58674d34d4bSVoss, Nikolaus        help
58774d34d4bSVoss, Nikolaus          If you say yes here you will get support for the
58874d34d4bSVoss, Nikolaus          ST M41T93 SPI RTC chip.
58974d34d4bSVoss, Nikolaus
59074d34d4bSVoss, Nikolaus          This driver can also be built as a module. If so, the module
59174d34d4bSVoss, Nikolaus          will be called rtc-m41t93.
59274d34d4bSVoss, Nikolaus
5938fc2c767SKim B. Heinoconfig RTC_DRV_M41T94
5948fc2c767SKim B. Heino	tristate "ST M41T94"
5958fc2c767SKim B. Heino	help
5968fc2c767SKim B. Heino	  If you say yes here you will get support for the
5978fc2c767SKim B. Heino	  ST M41T94 SPI RTC chip.
5988fc2c767SKim B. Heino
5998fc2c767SKim B. Heino	  This driver can also be built as a module. If so, the module
6008fc2c767SKim B. Heino	  will be called rtc-m41t94.
6018fc2c767SKim B. Heino
60253e84b67SDavid Brownellconfig RTC_DRV_DS1305
60353e84b67SDavid Brownell	tristate "Dallas/Maxim DS1305/DS1306"
60453e84b67SDavid Brownell	help
60553e84b67SDavid Brownell	  Select this driver to get support for the Dallas/Maxim DS1305
60653e84b67SDavid Brownell	  and DS1306 real time clock chips. These support a trickle
60753e84b67SDavid Brownell	  charger, alarms, and NVRAM in addition to the clock.
60853e84b67SDavid Brownell
60953e84b67SDavid Brownell	  This driver can also be built as a module. If so, the module
61053e84b67SDavid Brownell	  will be called rtc-ds1305.
61153e84b67SDavid Brownell
6121d6316f5SRaghavendra Ganigaconfig RTC_DRV_DS1343
6130dd449b1SRaghavendra Ganiga	select REGMAP_SPI
6141d6316f5SRaghavendra Ganiga	tristate "Dallas/Maxim DS1343/DS1344"
6151d6316f5SRaghavendra Ganiga	help
6161d6316f5SRaghavendra Ganiga	  If you say yes here you get support for the
6171d6316f5SRaghavendra Ganiga	  Dallas/Maxim DS1343 and DS1344 real time clock chips.
6181d6316f5SRaghavendra Ganiga	  Support for trickle charger, alarm is provided.
6191d6316f5SRaghavendra Ganiga
6201d6316f5SRaghavendra Ganiga	  This driver can also be built as a module. If so, the module
6211d6316f5SRaghavendra Ganiga	  will be called rtc-ds1343.
6221d6316f5SRaghavendra Ganiga
623617b26a0SRaghavendra Ganigaconfig RTC_DRV_DS1347
624617b26a0SRaghavendra Ganiga	tristate "Dallas/Maxim DS1347"
625617b26a0SRaghavendra Ganiga	help
626617b26a0SRaghavendra Ganiga	  If you say yes here you get support for the
627617b26a0SRaghavendra Ganiga	  Dallas/Maxim DS1347 chips.
628617b26a0SRaghavendra Ganiga
629617b26a0SRaghavendra Ganiga	  This driver only supports the RTC feature, and not other chip
630617b26a0SRaghavendra Ganiga	  features such as alarms.
631617b26a0SRaghavendra Ganiga
632617b26a0SRaghavendra Ganiga	  This driver can also be built as a module. If so, the module
633617b26a0SRaghavendra Ganiga	  will be called rtc-ds1347.
634617b26a0SRaghavendra Ganiga
63506de1808SMark Jacksonconfig RTC_DRV_DS1390
63606de1808SMark Jackson	tristate "Dallas/Maxim DS1390/93/94"
63706de1808SMark Jackson	help
6387b9b2ef1SAlessandro Zummo	  If you say yes here you get support for the
6397b9b2ef1SAlessandro Zummo	  Dallas/Maxim DS1390/93/94 chips.
64006de1808SMark Jackson
64106de1808SMark Jackson	  This driver only supports the RTC feature, and not other chip
64206de1808SMark Jackson	  features such as alarms and trickle charging.
64306de1808SMark Jackson
64406de1808SMark Jackson	  This driver can also be built as a module. If so, the module
64506de1808SMark Jackson	  will be called rtc-ds1390.
64606de1808SMark Jackson
64709b6bdb3SAlessandro Zummoconfig RTC_DRV_MAX6902
64809b6bdb3SAlessandro Zummo	tristate "Maxim MAX6902"
64909b6bdb3SAlessandro Zummo	help
65009b6bdb3SAlessandro Zummo	  If you say yes here you will get support for the
65109b6bdb3SAlessandro Zummo	  Maxim MAX6902 SPI RTC chip.
65209b6bdb3SAlessandro Zummo
65309b6bdb3SAlessandro Zummo	  This driver can also be built as a module. If so, the module
65409b6bdb3SAlessandro Zummo	  will be called rtc-max6902.
65509b6bdb3SAlessandro Zummo
6562805b969SMagnus Dammconfig RTC_DRV_R9701
6572805b969SMagnus Damm	tristate "Epson RTC-9701JE"
6582805b969SMagnus Damm	help
6592805b969SMagnus Damm	  If you say yes here you will get support for the
6602805b969SMagnus Damm	  Epson RTC-9701JE SPI RTC chip.
6612805b969SMagnus Damm
6622805b969SMagnus Damm	  This driver can also be built as a module. If so, the module
6632805b969SMagnus Damm	  will be called rtc-r9701.
6642805b969SMagnus Damm
66509a21e56SAlessandro Zummoconfig RTC_DRV_RS5C348
66609a21e56SAlessandro Zummo	tristate "Ricoh RS5C348A/B"
66709a21e56SAlessandro Zummo	help
66809a21e56SAlessandro Zummo	  If you say yes here you get support for the
66909a21e56SAlessandro Zummo	  Ricoh RS5C348A and RS5C348B RTC chips.
67009a21e56SAlessandro Zummo
67109a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
67209a21e56SAlessandro Zummo	  will be called rtc-rs5c348.
67309a21e56SAlessandro Zummo
6742f9b75e0SDennis Aberillaconfig RTC_DRV_DS3234
6752f9b75e0SDennis Aberilla	tristate "Maxim/Dallas DS3234"
6762f9b75e0SDennis Aberilla	help
6772f9b75e0SDennis Aberilla	  If you say yes here you get support for the
6782f9b75e0SDennis Aberilla	  Maxim/Dallas DS3234 SPI RTC chip.
6792f9b75e0SDennis Aberilla
6802f9b75e0SDennis Aberilla	  This driver can also be built as a module. If so, the module
6812f9b75e0SDennis Aberilla	  will be called rtc-ds3234.
6822f9b75e0SDennis Aberilla
6837f3923a1SChris Vergesconfig RTC_DRV_PCF2123
6847f3923a1SChris Verges	tristate "NXP PCF2123"
6857f3923a1SChris Verges	help
6867f3923a1SChris Verges	  If you say yes here you get support for the NXP PCF2123
6877f3923a1SChris Verges	  RTC chip.
6887f3923a1SChris Verges
6897f3923a1SChris Verges	  This driver can also be built as a module. If so, the module
6907f3923a1SChris Verges	  will be called rtc-pcf2123.
6917f3923a1SChris Verges
692cce2da9aSTorben Hohnconfig RTC_DRV_RX4581
693cce2da9aSTorben Hohn	tristate "Epson RX-4581"
694cce2da9aSTorben Hohn	help
695cce2da9aSTorben Hohn	  If you say yes here you will get support for the Epson RX-4581.
696cce2da9aSTorben Hohn
697cce2da9aSTorben Hohn	  This driver can also be built as a module. If so the module
698cce2da9aSTorben Hohn	  will be called rtc-rx4581.
699cce2da9aSTorben Hohn
7001fcbe42cSJosef Gajdusekconfig RTC_DRV_MCP795
7011fcbe42cSJosef Gajdusek	tristate "Microchip MCP795"
7021fcbe42cSJosef Gajdusek	help
7031fcbe42cSJosef Gajdusek	  If you say yes here you will get support for the Microchip MCP795.
7041fcbe42cSJosef Gajdusek
7051fcbe42cSJosef Gajdusek	  This driver can also be built as a module. If so the module
7061fcbe42cSJosef Gajdusek	  will be called rtc-mcp795.
7071fcbe42cSJosef Gajdusek
708bb35fb20SJan Engelhardtendif # SPI_MASTER
709bb35fb20SJan Engelhardt
71009a21e56SAlessandro Zummocomment "Platform RTC drivers"
7110c86edc0SAlessandro Zummo
7127be2c7c9SDavid Brownell# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
7137be2c7c9SDavid Brownell# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
7147be2c7c9SDavid Brownell# global rtc_lock ... it's not yet just another platform_device.
7157be2c7c9SDavid Brownell
7167be2c7c9SDavid Brownellconfig RTC_DRV_CMOS
71709a21e56SAlessandro Zummo	tristate "PC-style 'CMOS'"
71841c9dbf4SGeert Uytterhoeven	depends on X86 || ARM || M32R || PPC || MIPS || SPARC64
719c7500900SDavid Brownell	default y if X86
7207be2c7c9SDavid Brownell	help
7217be2c7c9SDavid Brownell	  Say "yes" here to get direct support for the real time clock
7227be2c7c9SDavid Brownell	  found in every PC or ACPI-based system, and some other boards.
7237be2c7c9SDavid Brownell	  Specifically the original MC146818, compatibles like those in
7247be2c7c9SDavid Brownell	  PC south bridges, the DS12887 or M48T86, some multifunction
7257be2c7c9SDavid Brownell	  or LPC bus chips, and so on.
7267be2c7c9SDavid Brownell
7277be2c7c9SDavid Brownell	  Your system will need to define the platform device used by
7287be2c7c9SDavid Brownell	  this driver, otherwise it won't be accessible. This means
7297be2c7c9SDavid Brownell	  you can safely enable this driver if you don't know whether
7307be2c7c9SDavid Brownell	  or not your board has this kind of hardware.
7317be2c7c9SDavid Brownell
7327be2c7c9SDavid Brownell	  This driver can also be built as a module. If so, the module
7337be2c7c9SDavid Brownell	  will be called rtc-cmos.
7347be2c7c9SDavid Brownell
73585d0b3a5SRichard Hendersonconfig RTC_DRV_ALPHA
73685d0b3a5SRichard Henderson	bool "Alpha PC-style CMOS"
73785d0b3a5SRichard Henderson	depends on ALPHA
73885d0b3a5SRichard Henderson	default y
73985d0b3a5SRichard Henderson	help
74085d0b3a5SRichard Henderson	  Direct support for the real-time clock found on every Alpha
74185d0b3a5SRichard Henderson	  system, specifically MC146818 compatibles.  If in doubt, say Y.
74285d0b3a5SRichard Henderson
7430146f261SFeng Tangconfig RTC_DRV_VRTC
744933b9463SAlan Cox	tristate "Virtual RTC for Intel MID platforms"
745933b9463SAlan Cox	depends on X86_INTEL_MID
746933b9463SAlan Cox	default y if X86_INTEL_MID
7470146f261SFeng Tang
7480146f261SFeng Tang	help
7490146f261SFeng Tang	Say "yes" here to get direct support for the real time clock
7500146f261SFeng Tang	found on Moorestown platforms. The VRTC is a emulated RTC that
7510146f261SFeng Tang	derives its clock source from a real RTC in the PMIC. The MC146818
7520146f261SFeng Tang	style programming interface is mostly conserved, but any
7530146f261SFeng Tang	updates are done via IPC calls to the system controller FW.
7540146f261SFeng Tang
755537739deSThomas Bogendoerferconfig RTC_DRV_DS1216
756537739deSThomas Bogendoerfer	tristate "Dallas DS1216"
757bb35fb20SJan Engelhardt	depends on SNI_RM
758537739deSThomas Bogendoerfer	help
759537739deSThomas Bogendoerfer	  If you say yes here you get support for the Dallas DS1216 RTC chips.
760537739deSThomas Bogendoerfer
7615f119f29SThomas Bogendoerferconfig RTC_DRV_DS1286
7625f119f29SThomas Bogendoerfer	tristate "Dallas DS1286"
763706b632dSChen Gang	depends on HAS_IOMEM
7645f119f29SThomas Bogendoerfer	help
7655f119f29SThomas Bogendoerfer	  If you say yes here you get support for the Dallas DS1286 RTC chips.
7665f119f29SThomas Bogendoerfer
767739d340dSPaul Mundtconfig RTC_DRV_DS1302
768739d340dSPaul Mundt	tristate "Dallas DS1302"
769739d340dSPaul Mundt	depends on SH_SECUREEDGE5410
770739d340dSPaul Mundt	help
771739d340dSPaul Mundt	  If you say yes here you get support for the Dallas DS1302 RTC chips.
772739d340dSPaul Mundt
7738f26795aSAndrew Sharpconfig RTC_DRV_DS1511
7748f26795aSAndrew Sharp	tristate "Dallas DS1511"
775706b632dSChen Gang	depends on HAS_IOMEM
7768f26795aSAndrew Sharp	help
7778f26795aSAndrew Sharp	  If you say yes here you get support for the
7788f26795aSAndrew Sharp	  Dallas DS1511 timekeeping/watchdog chip.
7798f26795aSAndrew Sharp
7808f26795aSAndrew Sharp	  This driver can also be built as a module. If so, the module
7818f26795aSAndrew Sharp	  will be called rtc-ds1511.
7828f26795aSAndrew Sharp
7839bf5b4f5SAtsushi Nemotoconfig RTC_DRV_DS1553
78409b6bdb3SAlessandro Zummo	tristate "Maxim/Dallas DS1553"
785706b632dSChen Gang	depends on HAS_IOMEM
7869bf5b4f5SAtsushi Nemoto	help
7879bf5b4f5SAtsushi Nemoto	  If you say yes here you get support for the
78809b6bdb3SAlessandro Zummo	  Maxim/Dallas DS1553 timekeeping chip.
7899bf5b4f5SAtsushi Nemoto
7909bf5b4f5SAtsushi Nemoto	  This driver can also be built as a module. If so, the module
7919bf5b4f5SAtsushi Nemoto	  will be called rtc-ds1553.
7929bf5b4f5SAtsushi Nemoto
79309b6bdb3SAlessandro Zummoconfig RTC_DRV_DS1742
79409b6bdb3SAlessandro Zummo	tristate "Maxim/Dallas DS1742/1743"
795706b632dSChen Gang	depends on HAS_IOMEM
79609b6bdb3SAlessandro Zummo	help
79709b6bdb3SAlessandro Zummo	  If you say yes here you get support for the
79809b6bdb3SAlessandro Zummo	  Maxim/Dallas DS1742/1743 timekeeping chip.
79909b6bdb3SAlessandro Zummo
80009b6bdb3SAlessandro Zummo	  This driver can also be built as a module. If so, the module
80109b6bdb3SAlessandro Zummo	  will be called rtc-ds1742.
80209b6bdb3SAlessandro Zummo
803ad0200f7SJean Delvareconfig RTC_DRV_DS2404
804ad0200f7SJean Delvare	tristate "Maxim/Dallas DS2404"
805ad0200f7SJean Delvare	help
806ad0200f7SJean Delvare	  If you say yes here you get support for the
807ad0200f7SJean Delvare	  Dallas DS2404 RTC chip.
808ad0200f7SJean Delvare
809ad0200f7SJean Delvare	  This driver can also be built as a module. If so, the module
810ad0200f7SJean Delvare	  will be called rtc-ds2404.
811ad0200f7SJean Delvare
812fef931ffSAshish Jangamconfig RTC_DRV_DA9052
813fef931ffSAshish Jangam	tristate "Dialog DA9052/DA9053 RTC"
814fef931ffSAshish Jangam	depends on PMIC_DA9052
815fef931ffSAshish Jangam	help
816fef931ffSAshish Jangam	  Say y here to support the RTC driver for Dialog Semiconductor
817fef931ffSAshish Jangam	  DA9052-BC and DA9053-AA/Bx PMICs.
818fef931ffSAshish Jangam
8196920d996SAshish Jangamconfig RTC_DRV_DA9055
8206920d996SAshish Jangam	tristate "Dialog Semiconductor DA9055 RTC"
8216920d996SAshish Jangam	depends on MFD_DA9055
8226920d996SAshish Jangam	help
8236920d996SAshish Jangam	  If you say yes here you will get support for the
8246920d996SAshish Jangam	  RTC of the Dialog DA9055 PMIC.
8256920d996SAshish Jangam
8266920d996SAshish Jangam	  This driver can also be built as a module. If so, the module
8276920d996SAshish Jangam	  will be called rtc-da9055
8286920d996SAshish Jangam
829c2a57550SOpensource [Steve Twiss]config RTC_DRV_DA9063
830c2a57550SOpensource [Steve Twiss]	tristate "Dialog Semiconductor DA9063 RTC"
831c2a57550SOpensource [Steve Twiss]	depends on MFD_DA9063
832c2a57550SOpensource [Steve Twiss]	help
833c2a57550SOpensource [Steve Twiss]	  If you say yes here you will get support for the RTC subsystem
834c2a57550SOpensource [Steve Twiss]	  of the Dialog Semiconductor DA9063.
835c2a57550SOpensource [Steve Twiss]
836c2a57550SOpensource [Steve Twiss]	  This driver can also be built as a module. If so, the module
837c2a57550SOpensource [Steve Twiss]	  will be called "rtc-da9063".
838c2a57550SOpensource [Steve Twiss]
8395e3fd9e5Sdann frazierconfig RTC_DRV_EFI
8405e3fd9e5Sdann frazier	tristate "EFI RTC"
8417efe6659SMatt Fleming	depends on EFI && !X86
8425e3fd9e5Sdann frazier	help
8435e3fd9e5Sdann frazier	  If you say yes here you will get support for the EFI
8445e3fd9e5Sdann frazier	  Real Time Clock.
8455e3fd9e5Sdann frazier
8465e3fd9e5Sdann frazier	  This driver can also be built as a module. If so, the module
8475e3fd9e5Sdann frazier	  will be called rtc-efi.
8485e3fd9e5Sdann frazier
84902964115SThomas Hommelconfig RTC_DRV_STK17TA8
85002964115SThomas Hommel	tristate "Simtek STK17TA8"
851706b632dSChen Gang	depends on HAS_IOMEM
85202964115SThomas Hommel	help
85302964115SThomas Hommel	  If you say yes here you get support for the
85402964115SThomas Hommel	  Simtek STK17TA8 timekeeping chip.
85502964115SThomas Hommel
85602964115SThomas Hommel	  This driver can also be built as a module. If so, the module
85702964115SThomas Hommel	  will be called rtc-stk17ta8.
85802964115SThomas Hommel
85909a21e56SAlessandro Zummoconfig RTC_DRV_M48T86
86009a21e56SAlessandro Zummo	tristate "ST M48T86/Dallas DS12887"
86109a21e56SAlessandro Zummo	help
86209a21e56SAlessandro Zummo	  If you say Y here you will get support for the
86309a21e56SAlessandro Zummo	  ST M48T86 and Dallas DS12887 RTC chips.
86409a21e56SAlessandro Zummo
86509a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
86609a21e56SAlessandro Zummo	  will be called rtc-m48t86.
86709a21e56SAlessandro Zummo
868d1dbd82eSThomas Bogendoerferconfig RTC_DRV_M48T35
869d1dbd82eSThomas Bogendoerfer	tristate "ST M48T35"
870706b632dSChen Gang	depends on HAS_IOMEM
871d1dbd82eSThomas Bogendoerfer	help
872d1dbd82eSThomas Bogendoerfer	  If you say Y here you will get support for the
873d1dbd82eSThomas Bogendoerfer	  ST M48T35 RTC chip.
874d1dbd82eSThomas Bogendoerfer
875d1dbd82eSThomas Bogendoerfer	  This driver can also be built as a module, if so, the module
876d1dbd82eSThomas Bogendoerfer	  will be called "rtc-m48t35".
877d1dbd82eSThomas Bogendoerfer
8782e774c7cSMark Zhanconfig RTC_DRV_M48T59
87994fe7424SKrzysztof Helt	tristate "ST M48T59/M48T08/M48T02"
880706b632dSChen Gang	depends on HAS_IOMEM
8812e774c7cSMark Zhan	help
8822e774c7cSMark Zhan	  If you say Y here you will get support for the
88394fe7424SKrzysztof Helt	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
88494fe7424SKrzysztof Helt
88594fe7424SKrzysztof Helt	  These chips are usually found in Sun SPARC and UltraSPARC
88694fe7424SKrzysztof Helt	  workstations.
8872e774c7cSMark Zhan
8882e774c7cSMark Zhan	  This driver can also be built as a module, if so, the module
8892e774c7cSMark Zhan	  will be called "rtc-m48t59".
8902e774c7cSMark Zhan
8914f9b9bbaSGeert Uytterhoevenconfig RTC_DRV_MSM6242
8924f9b9bbaSGeert Uytterhoeven	tristate "Oki MSM6242"
893706b632dSChen Gang	depends on HAS_IOMEM
8944f9b9bbaSGeert Uytterhoeven	help
8954f9b9bbaSGeert Uytterhoeven	  If you say yes here you get support for the Oki MSM6242
8964f9b9bbaSGeert Uytterhoeven	  timekeeping chip. It is used in some Amiga models (e.g. A2000).
8974f9b9bbaSGeert Uytterhoeven
8984f9b9bbaSGeert Uytterhoeven	  This driver can also be built as a module. If so, the module
8994f9b9bbaSGeert Uytterhoeven	  will be called rtc-msm6242.
9004f9b9bbaSGeert Uytterhoeven
901cca4c231SDavid S. Millerconfig RTC_DRV_BQ4802
902cca4c231SDavid S. Miller	tristate "TI BQ4802"
903706b632dSChen Gang	depends on HAS_IOMEM
904cca4c231SDavid S. Miller	help
905cca4c231SDavid S. Miller	  If you say Y here you will get support for the TI
906cca4c231SDavid S. Miller	  BQ4802 RTC chip.
907cca4c231SDavid S. Miller
908cca4c231SDavid S. Miller	  This driver can also be built as a module. If so, the module
909cca4c231SDavid S. Miller	  will be called rtc-bq4802.
910cca4c231SDavid S. Miller
9114f672ce2SGeert Uytterhoevenconfig RTC_DRV_RP5C01
9124f672ce2SGeert Uytterhoeven	tristate "Ricoh RP5C01"
913706b632dSChen Gang	depends on HAS_IOMEM
9144f672ce2SGeert Uytterhoeven	help
9154f672ce2SGeert Uytterhoeven	  If you say yes here you get support for the Ricoh RP5C01
9164f672ce2SGeert Uytterhoeven	  timekeeping chip. It is used in some Amiga models (e.g. A3000
9174f672ce2SGeert Uytterhoeven	  and A4000).
9184f672ce2SGeert Uytterhoeven
9194f672ce2SGeert Uytterhoeven	  This driver can also be built as a module. If so, the module
9204f672ce2SGeert Uytterhoeven	  will be called rtc-rp5c01.
9214f672ce2SGeert Uytterhoeven
92209a21e56SAlessandro Zummoconfig RTC_DRV_V3020
92309a21e56SAlessandro Zummo	tristate "EM Microelectronic V3020"
92409a21e56SAlessandro Zummo	help
92509a21e56SAlessandro Zummo	  If you say yes here you will get support for the
92609a21e56SAlessandro Zummo	  EM Microelectronic v3020 RTC chip.
92709a21e56SAlessandro Zummo
92809a21e56SAlessandro Zummo	  This driver can also be built as a module. If so, the module
92909a21e56SAlessandro Zummo	  will be called rtc-v3020.
93009a21e56SAlessandro Zummo
93135c86bf6SMark Brownconfig RTC_DRV_WM831X
93235c86bf6SMark Brown	tristate "Wolfson Microelectronics WM831x RTC"
93335c86bf6SMark Brown	depends on MFD_WM831X
93435c86bf6SMark Brown	help
93535c86bf6SMark Brown	  If you say yes here you will get support for the RTC subsystem
93635c86bf6SMark Brown	  of the Wolfson Microelectronics WM831X series PMICs.
93735c86bf6SMark Brown
93835c86bf6SMark Brown	  This driver can also be built as a module. If so, the module
93935c86bf6SMark Brown	  will be called "rtc-wm831x".
94035c86bf6SMark Brown
941077eaf5bSMark Brownconfig RTC_DRV_WM8350
942077eaf5bSMark Brown	tristate "Wolfson Microelectronics WM8350 RTC"
943077eaf5bSMark Brown	depends on MFD_WM8350
944077eaf5bSMark Brown	help
945077eaf5bSMark Brown	  If you say yes here you will get support for the RTC subsystem
946077eaf5bSMark Brown	  of the Wolfson Microelectronics WM8350.
947077eaf5bSMark Brown
948077eaf5bSMark Brown	  This driver can also be built as a module. If so, the module
949077eaf5bSMark Brown	  will be called "rtc-wm8350".
950077eaf5bSMark Brown
9510942a71eSRajeev Kumarconfig RTC_DRV_SPEAR
9520942a71eSRajeev Kumar	tristate "SPEAR ST RTC"
9530942a71eSRajeev Kumar	depends on PLAT_SPEAR
9540942a71eSRajeev Kumar	default y
9550942a71eSRajeev Kumar	help
9560942a71eSRajeev Kumar	 If you say Y here you will get support for the RTC found on
9570942a71eSRajeev Kumar	 spear
9580942a71eSRajeev Kumar
959eae854b2SBalaji Raoconfig RTC_DRV_PCF50633
960eae854b2SBalaji Rao	depends on MFD_PCF50633
961eae854b2SBalaji Rao	tristate "NXP PCF50633 RTC"
962eae854b2SBalaji Rao	help
963eae854b2SBalaji Rao	  If you say yes here you get support for the RTC subsystem of the
964eae854b2SBalaji Rao	  NXP PCF50633 used in embedded systems.
965eae854b2SBalaji Rao
966bd207cfbSLinus Walleijconfig RTC_DRV_AB3100
967bd207cfbSLinus Walleij	tristate "ST-Ericsson AB3100 RTC"
968bd207cfbSLinus Walleij	depends on AB3100_CORE
969bd207cfbSLinus Walleij	default y if AB3100_CORE
970bd207cfbSLinus Walleij	help
971bd207cfbSLinus Walleij	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
972bd207cfbSLinus Walleij	  support. This chip contains a battery- and capacitor-backed RTC.
973bd207cfbSLinus Walleij
9740af62f4dSVirupax Sadashivpetimathconfig RTC_DRV_AB8500
9750af62f4dSVirupax Sadashivpetimath	tristate "ST-Ericsson AB8500 RTC"
9760af62f4dSVirupax Sadashivpetimath	depends on AB8500_CORE
977651fb480SUlf Hansson	select RTC_INTF_DEV
978dc43d4a2SRamesh Chandrasekaran	select RTC_INTF_DEV_UIE_EMUL
9790af62f4dSVirupax Sadashivpetimath	help
9800af62f4dSVirupax Sadashivpetimath	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
9810af62f4dSVirupax Sadashivpetimath	  support. This chip contains a battery- and capacitor-backed RTC.
9820af62f4dSVirupax Sadashivpetimath
983afd49a7eSWan ZongShunconfig RTC_DRV_NUC900
984afd49a7eSWan ZongShun	tristate "NUC910/NUC920 RTC driver"
9856b8029faSVenu Byravarasu	depends on ARCH_W90X900
986afd49a7eSWan ZongShun	help
987afd49a7eSWan ZongShun	  If you say yes here you get support for the RTC subsystem of the
988afd49a7eSWan ZongShun	  NUC910/NUC920 used in embedded systems.
989bd207cfbSLinus Walleij
99009a21e56SAlessandro Zummocomment "on-CPU RTC drivers"
99109a21e56SAlessandro Zummo
9928ecf6c54SMiguel Aguilarconfig RTC_DRV_DAVINCI
9938ecf6c54SMiguel Aguilar	tristate "TI DaVinci RTC"
9948ecf6c54SMiguel Aguilar	depends on ARCH_DAVINCI_DM365
9958ecf6c54SMiguel Aguilar	help
9968ecf6c54SMiguel Aguilar	  If you say yes here you get support for the RTC on the
9978ecf6c54SMiguel Aguilar	  DaVinci platforms (DM365).
9988ecf6c54SMiguel Aguilar
9998ecf6c54SMiguel Aguilar	  This driver can also be built as a module. If so, the module
10008ecf6c54SMiguel Aguilar	  will be called rtc-davinci.
10018ecf6c54SMiguel Aguilar
1002b224b9acSFabio Estevamconfig RTC_DRV_IMXDI
1003b224b9acSFabio Estevam	tristate "Freescale IMX DryIce Real Time Clock"
1004ef216ad0SRoland Stigge	depends on ARCH_MXC
1005b224b9acSFabio Estevam	help
1006b224b9acSFabio Estevam	   Support for Freescale IMX DryIce RTC
1007b224b9acSFabio Estevam
1008b224b9acSFabio Estevam	   This driver can also be built as a module, if so, the module
1009b224b9acSFabio Estevam	   will be called "rtc-imxdi".
1010b224b9acSFabio Estevam
1011db68b189SDavid Brownellconfig RTC_DRV_OMAP
1012db68b189SDavid Brownell	tristate "TI OMAP1"
1013427af9a6SAfzal Mohammed	depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX || SOC_AM33XX
1014db68b189SDavid Brownell	help
1015427af9a6SAfzal Mohammed	  Say "yes" here to support the on chip real time clock
1016427af9a6SAfzal Mohammed	  present on TI OMAP1, AM33xx and DA8xx/OMAP-L13x.
1017427af9a6SAfzal Mohammed
1018427af9a6SAfzal Mohammed	  This driver can also be built as a module, if so, module
1019427af9a6SAfzal Mohammed	  will be called rtc-omap.
1020db68b189SDavid Brownell
102116f4efe7SAtul Dahiyaconfig HAVE_S3C_RTC
102216f4efe7SAtul Dahiya	bool
102316f4efe7SAtul Dahiya	help
102416f4efe7SAtul Dahiya	  This will include RTC support for Samsung SoCs. If
102516f4efe7SAtul Dahiya	  you want to include RTC support for any machine, kindly
102616f4efe7SAtul Dahiya	  select this in the respective mach-XXXX/Kconfig file.
102716f4efe7SAtul Dahiya
10281add6781SBen Dooksconfig RTC_DRV_S3C
10291add6781SBen Dooks	tristate "Samsung S3C series SoC RTC"
1030b130d5c2SKukjin Kim	depends on ARCH_S3C64XX || HAVE_S3C_RTC
10311add6781SBen Dooks	help
10321add6781SBen Dooks	  RTC (Realtime Clock) driver for the clock inbuilt into the
10331add6781SBen Dooks	  Samsung S3C24XX series of SoCs. This can provide periodic
10341add6781SBen Dooks	  interrupt rates from 1Hz to 64Hz for user programs, and
10351add6781SBen Dooks	  wakeup from Alarm.
10361add6781SBen Dooks
10371add6781SBen Dooks	  The driver currently supports the common features on all the
10381add6781SBen Dooks	  S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
10391add6781SBen Dooks	  and S3C2442.
10401add6781SBen Dooks
10411add6781SBen Dooks	  This driver can also be build as a module. If so, the module
10421add6781SBen Dooks	  will be called rtc-s3c.
10431add6781SBen Dooks
1044fd507e2fSAlessandro Zummoconfig RTC_DRV_EP93XX
1045fd507e2fSAlessandro Zummo	tristate "Cirrus Logic EP93XX"
1046bb35fb20SJan Engelhardt	depends on ARCH_EP93XX
1047fd507e2fSAlessandro Zummo	help
1048fd507e2fSAlessandro Zummo	  If you say yes here you get support for the
1049fd507e2fSAlessandro Zummo	  RTC embedded in the Cirrus Logic EP93XX processors.
1050fd507e2fSAlessandro Zummo
1051fd507e2fSAlessandro Zummo	  This driver can also be built as a module. If so, the module
1052fd507e2fSAlessandro Zummo	  will be called rtc-ep93xx.
1053fd507e2fSAlessandro Zummo
1054e842f1c8SRichard Purdieconfig RTC_DRV_SA1100
10553888c090SHaojian Zhuang	tristate "SA11x0/PXA2xx/PXA910"
10563888c090SHaojian Zhuang	depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
1057e842f1c8SRichard Purdie	help
1058e842f1c8SRichard Purdie	  If you say Y here you will get access to the real time clock
1059e842f1c8SRichard Purdie	  built into your SA11x0 or PXA2xx CPU.
1060e842f1c8SRichard Purdie
1061e842f1c8SRichard Purdie	  To compile this driver as a module, choose M here: the
1062e842f1c8SRichard Purdie	  module will be called rtc-sa1100.
1063fd507e2fSAlessandro Zummo
1064317a6104SPaul Mundtconfig RTC_DRV_SH
1065317a6104SPaul Mundt	tristate "SuperH On-Chip RTC"
10666b8029faSVenu Byravarasu	depends on SUPERH && HAVE_CLK
1067317a6104SPaul Mundt	help
1068317a6104SPaul Mundt	  Say Y here to enable support for the on-chip RTC found in
1069317a6104SPaul Mundt	  most SuperH processors.
1070317a6104SPaul Mundt
1071317a6104SPaul Mundt 	  To compile this driver as a module, choose M here: the
1072317a6104SPaul Mundt	  module will be called rtc-sh.
1073317a6104SPaul Mundt
10748417eb7aSYoichi Yuasaconfig RTC_DRV_VR41XX
10753e16f6afSAlessandro Zummo	tristate "NEC VR41XX"
1076bb35fb20SJan Engelhardt	depends on CPU_VR41XX
10773e16f6afSAlessandro Zummo	help
10783e16f6afSAlessandro Zummo	  If you say Y here you will get access to the real time clock
10793e16f6afSAlessandro Zummo	  built into your NEC VR41XX CPU.
10803e16f6afSAlessandro Zummo
10813e16f6afSAlessandro Zummo	  To compile this driver as a module, choose M here: the
10823e16f6afSAlessandro Zummo	  module will be called rtc-vr41xx.
10838417eb7aSYoichi Yuasa
1084a190901cSRussell Kingconfig RTC_DRV_PL030
1085a190901cSRussell King	tristate "ARM AMBA PL030 RTC"
1086a190901cSRussell King	depends on ARM_AMBA
1087a190901cSRussell King	help
1088a190901cSRussell King	  If you say Y here you will get access to ARM AMBA
1089a190901cSRussell King	  PrimeCell PL030 RTC found on certain ARM SOCs.
1090a190901cSRussell King
1091a190901cSRussell King	  To compile this driver as a module, choose M here: the
1092a190901cSRussell King	  module will be called rtc-pl030.
1093a190901cSRussell King
10948ae6e163SDeepak Saxenaconfig RTC_DRV_PL031
10958ae6e163SDeepak Saxena	tristate "ARM AMBA PL031 RTC"
1096bb35fb20SJan Engelhardt	depends on ARM_AMBA
10978ae6e163SDeepak Saxena	help
10988ae6e163SDeepak Saxena	  If you say Y here you will get access to ARM AMBA
109909a21e56SAlessandro Zummo	  PrimeCell PL031 RTC found on certain ARM SOCs.
11008ae6e163SDeepak Saxena
11018ae6e163SDeepak Saxena	  To compile this driver as a module, choose M here: the
11028ae6e163SDeepak Saxena	  module will be called rtc-pl031.
11038ae6e163SDeepak Saxena
1104fa04e78bSHans-Christian Egtvedtconfig RTC_DRV_AT32AP700X
1105fa04e78bSHans-Christian Egtvedt	tristate "AT32AP700X series RTC"
1106bb35fb20SJan Engelhardt	depends on PLATFORM_AT32AP
1107fa04e78bSHans-Christian Egtvedt	help
1108fa04e78bSHans-Christian Egtvedt	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
1109fa04e78bSHans-Christian Egtvedt	  AT32AP700x family processors.
1110fa04e78bSHans-Christian Egtvedt
11117fc39f6dSAndrew Victorconfig RTC_DRV_AT91RM9200
111224cecc1bSNicolas Ferre	tristate "AT91RM9200 or some AT91SAM9 RTC"
1113938f970eSNicolas Ferre	depends on ARCH_AT91
1114788b1fc6SAndrew Victor	help
11154cdf854fSDavid Brownell	  Driver for the internal RTC (Realtime Clock) module found on
111624cecc1bSNicolas Ferre	  Atmel AT91RM9200's and some  AT91SAM9 chips. On AT91SAM9 chips
11174cdf854fSDavid Brownell	  this is powered by the backup power supply.
11184cdf854fSDavid Brownell
11194cdf854fSDavid Brownellconfig RTC_DRV_AT91SAM9
11203969eb48SBoris BREZILLON	tristate "AT91SAM9 RTT as RTC"
1121ee72f18bSNicolas Ferre	depends on ARCH_AT91
112243e112bbSBoris BREZILLON	select MFD_SYSCON
11234cdf854fSDavid Brownell	help
11243969eb48SBoris BREZILLON	  Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
11253969eb48SBoris BREZILLON	  can be used as an RTC thanks to the backup power supply (e.g. a
11263969eb48SBoris BREZILLON	  small coin cell battery) which keeps this block and the GPBR
11273969eb48SBoris BREZILLON	  (General Purpose Backup Registers) block powered when the device
11283969eb48SBoris BREZILLON	  is shutdown.
11293969eb48SBoris BREZILLON	  Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
11303969eb48SBoris BREZILLON	  probably want to use the real RTC block instead of the "RTT as an
11313969eb48SBoris BREZILLON	  RTC" driver.
11324cdf854fSDavid Brownell
11334cdf854fSDavid Brownellconfig RTC_DRV_AT91SAM9_RTT
11344cdf854fSDavid Brownell	int
11354cdf854fSDavid Brownell	range 0 1
11364cdf854fSDavid Brownell	default 0
11374cdf854fSDavid Brownell	depends on RTC_DRV_AT91SAM9
11384cdf854fSDavid Brownell	help
11393969eb48SBoris BREZILLON	  This option is only relevant for legacy board support and
11403969eb48SBoris BREZILLON	  won't be used when booting a DT board.
11413969eb48SBoris BREZILLON
11424cdf854fSDavid Brownell	  More than one RTT module is available. You can choose which
11434cdf854fSDavid Brownell	  one will be used as an RTC. The default of zero is normally
11444cdf854fSDavid Brownell	  OK to use, though some systems use that for non-RTC purposes.
11454cdf854fSDavid Brownell
11464cdf854fSDavid Brownellconfig RTC_DRV_AT91SAM9_GPBR
11474cdf854fSDavid Brownell	int
11489373090dSNicolas Ferre	range 0 3
11494cdf854fSDavid Brownell	default 0
11504cdf854fSDavid Brownell	prompt "Backup Register Number"
11514cdf854fSDavid Brownell	depends on RTC_DRV_AT91SAM9
11524cdf854fSDavid Brownell	help
11533969eb48SBoris BREZILLON	  This option is only relevant for legacy board support and
11543969eb48SBoris BREZILLON	  won't be used when booting a DT board.
11553969eb48SBoris BREZILLON
11564cdf854fSDavid Brownell	  The RTC driver needs to use one of the General Purpose Backup
11574cdf854fSDavid Brownell	  Registers (GPBRs) as well as the RTT. You can choose which one
11584cdf854fSDavid Brownell	  will be used. The default of zero is normally OK to use, but
11594cdf854fSDavid Brownell	  on some systems other software needs to use that register.
1160788b1fc6SAndrew Victor
116145fd8a0cSManuel Laussconfig RTC_DRV_AU1XXX
116245fd8a0cSManuel Lauss	tristate "Au1xxx Counter0 RTC support"
116342a4f17dSManuel Lauss	depends on MIPS_ALCHEMY
116445fd8a0cSManuel Lauss	help
116545fd8a0cSManuel Lauss	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
116645fd8a0cSManuel Lauss	  counter) to be used as a RTC.
116745fd8a0cSManuel Lauss
116845fd8a0cSManuel Lauss	  This driver can also be built as a module. If so, the module
116945fd8a0cSManuel Lauss	  will be called rtc-au1xxx.
117045fd8a0cSManuel Lauss
11718cc75c9aSWu, Bryanconfig RTC_DRV_BFIN
11728cc75c9aSWu, Bryan	tristate "Blackfin On-Chip RTC"
11737f604599SGraf Yang	depends on BLACKFIN && !BF561
11748cc75c9aSWu, Bryan	help
11758cc75c9aSWu, Bryan	  If you say yes here you will get support for the
11768cc75c9aSWu, Bryan	  Blackfin On-Chip Real Time Clock.
11778cc75c9aSWu, Bryan
11788cc75c9aSWu, Bryan	  This driver can also be built as a module. If so, the module
11798cc75c9aSWu, Bryan	  will be called rtc-bfin.
11808cc75c9aSWu, Bryan
1181e9f2bd81SNobuhiro Iwamatsuconfig RTC_DRV_RS5C313
1182e9f2bd81SNobuhiro Iwamatsu	tristate "Ricoh RS5C313"
1183bb35fb20SJan Engelhardt	depends on SH_LANDISK
1184e9f2bd81SNobuhiro Iwamatsu	help
1185e9f2bd81SNobuhiro Iwamatsu	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1186e9f2bd81SNobuhiro Iwamatsu
11873afe6d04SGeert Uytterhoevenconfig RTC_DRV_GENERIC
11883afe6d04SGeert Uytterhoeven	tristate "Generic RTC support"
11893afe6d04SGeert Uytterhoeven	# Please consider writing a new RTC driver instead of using the generic
11903afe6d04SGeert Uytterhoeven	# RTC abstraction
119147c8a08bSPaul Mundt	depends on PARISC || M68K || PPC || SUPERH32
11929eb16864SKyle McMartin	help
11933afe6d04SGeert Uytterhoeven	  Say Y or M here to enable RTC support on systems using the generic
11943afe6d04SGeert Uytterhoeven	  RTC abstraction. If you do not know what you are doing, you should
11959eb16864SKyle McMartin	  just say Y.
11969eb16864SKyle McMartin
1197dc944368SRobert Jarzmikconfig RTC_DRV_PXA
1198dc944368SRobert Jarzmik       tristate "PXA27x/PXA3xx"
1199dc944368SRobert Jarzmik       depends on ARCH_PXA
1200dc944368SRobert Jarzmik       help
1201dc944368SRobert Jarzmik         If you say Y here you will get access to the real time clock
1202dc944368SRobert Jarzmik         built into your PXA27x or PXA3xx CPU.
1203dc944368SRobert Jarzmik
1204dc944368SRobert Jarzmik         This RTC driver uses PXA RTC registers available since pxa27x
1205dc944368SRobert Jarzmik         series (RDxR, RYxR) instead of legacy RCNR, RTAR.
1206dc944368SRobert Jarzmik
1207f77fbdf9SAlexey Charkovconfig RTC_DRV_VT8500
1208f77fbdf9SAlexey Charkov	tristate "VIA/WonderMedia 85xx SoC RTC"
1209f77fbdf9SAlexey Charkov	depends on ARCH_VT8500
1210f77fbdf9SAlexey Charkov	help
1211f77fbdf9SAlexey Charkov	  If you say Y here you will get access to the real time clock
1212f77fbdf9SAlexey Charkov	  built into your VIA VT8500 SoC or its relatives.
1213f77fbdf9SAlexey Charkov
1214dc944368SRobert Jarzmik
12157a138edeSDavid S. Millerconfig RTC_DRV_SUN4V
12167a138edeSDavid S. Miller	bool "SUN4V Hypervisor RTC"
12177a138edeSDavid S. Miller	depends on SPARC64
12187a138edeSDavid S. Miller	help
12197a138edeSDavid S. Miller	  If you say Y here you will get support for the Hypervisor
12207a138edeSDavid S. Miller	  based RTC on SUN4V systems.
12217a138edeSDavid S. Miller
12229765d2d9SChen-Yu Tsaiconfig RTC_DRV_SUN6I
12239765d2d9SChen-Yu Tsai	tristate "Allwinner A31 RTC"
12249765d2d9SChen-Yu Tsai	depends on MACH_SUN6I || MACH_SUN8I
12259765d2d9SChen-Yu Tsai	help
12269765d2d9SChen-Yu Tsai	  If you say Y here you will get support for the RTC found on
12279765d2d9SChen-Yu Tsai	  Allwinner A31.
12289765d2d9SChen-Yu Tsai
1229594c6fb9SCarlo Caioneconfig RTC_DRV_SUNXI
1230594c6fb9SCarlo Caione	tristate "Allwinner sun4i/sun7i RTC"
123164a1925cSChen-Yu Tsai	depends on MACH_SUN4I || MACH_SUN7I
1232594c6fb9SCarlo Caione	help
1233594c6fb9SCarlo Caione	  If you say Y here you will get support for the RTC found on
1234594c6fb9SCarlo Caione	  Allwinner A10/A20.
1235594c6fb9SCarlo Caione
1236de2cf332SDavid S. Millerconfig RTC_DRV_STARFIRE
1237de2cf332SDavid S. Miller	bool "Starfire RTC"
1238de2cf332SDavid S. Miller	depends on SPARC64
1239de2cf332SDavid S. Miller	help
1240de2cf332SDavid S. Miller	  If you say Y here you will get support for the RTC found on
1241de2cf332SDavid S. Miller	  Starfire systems.
1242de2cf332SDavid S. Miller
12430e149233SAtsushi Nemotoconfig RTC_DRV_TX4939
12440e149233SAtsushi Nemoto	tristate "TX4939 SoC"
12450e149233SAtsushi Nemoto	depends on SOC_TX4939
12460e149233SAtsushi Nemoto	help
12470e149233SAtsushi Nemoto	  Driver for the internal RTC (Realtime Clock) module found on
12480e149233SAtsushi Nemoto	  Toshiba TX4939 SoC.
12490e149233SAtsushi Nemoto
1250defb4514SSaeed Bisharaconfig RTC_DRV_MV
1251defb4514SSaeed Bishara	tristate "Marvell SoC RTC"
1252ace2c020SAndrew Lunn	depends on ARCH_DOVE || ARCH_MVEBU
1253defb4514SSaeed Bishara	help
1254defb4514SSaeed Bishara	  If you say yes here you will get support for the in-chip RTC
1255defb4514SSaeed Bishara	  that can be found in some of Marvell's SoC devices, such as
1256defb4514SSaeed Bishara	  the Kirkwood 88F6281 and 88F6192.
1257defb4514SSaeed Bishara
1258defb4514SSaeed Bishara	  This driver can also be built as a module. If so, the module
1259defb4514SSaeed Bishara	  will be called rtc-mv.
1260defb4514SSaeed Bishara
12610b5f037aSGeert Uytterhoevenconfig RTC_DRV_PS3
12620b5f037aSGeert Uytterhoeven	tristate "PS3 RTC"
12630b5f037aSGeert Uytterhoeven	depends on PPC_PS3
12640b5f037aSGeert Uytterhoeven	help
12650b5f037aSGeert Uytterhoeven	  If you say yes here you will get support for the RTC on PS3.
12660b5f037aSGeert Uytterhoeven
12670b5f037aSGeert Uytterhoeven	  This driver can also be built as a module. If so, the module
12680b5f037aSGeert Uytterhoeven	  will be called rtc-ps3.
12690b5f037aSGeert Uytterhoeven
1270aa958f57SLinus Walleijconfig RTC_DRV_COH901331
1271aa958f57SLinus Walleij	tristate "ST-Ericsson COH 901 331 RTC"
1272aa958f57SLinus Walleij	depends on ARCH_U300
1273aa958f57SLinus Walleij	help
1274aa958f57SLinus Walleij	  If you say Y here you will get access to ST-Ericsson
1275aa958f57SLinus Walleij	  COH 901 331 RTC clock found in some ST-Ericsson Mobile
1276aa958f57SLinus Walleij	  Platforms.
1277aa958f57SLinus Walleij
1278aa958f57SLinus Walleij	  This driver can also be built as a module. If so, the module
1279aa958f57SLinus Walleij	  will be called "rtc-coh901331".
1280aa958f57SLinus Walleij
1281aa958f57SLinus Walleij
1282df17f631Sdmitry pervushinconfig RTC_DRV_STMP
128346b21218SWolfram Sang	tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
128446b21218SWolfram Sang	depends on ARCH_MXS
1285df17f631Sdmitry pervushin	help
1286df17f631Sdmitry pervushin	  If you say yes here you will get support for the onboard
128746b21218SWolfram Sang	  STMP3xxx/i.MX23/i.MX28 RTC.
1288df17f631Sdmitry pervushin
1289df17f631Sdmitry pervushin	  This driver can also be built as a module. If so, the module
1290df17f631Sdmitry pervushin	  will be called rtc-stmp3xxx.
1291df17f631Sdmitry pervushin
1292d3c7a3f7SDaniel Ribeiroconfig RTC_DRV_PCAP
1293d3c7a3f7SDaniel Ribeiro	tristate "PCAP RTC"
1294d3c7a3f7SDaniel Ribeiro	depends on EZX_PCAP
1295d3c7a3f7SDaniel Ribeiro	help
1296d3c7a3f7SDaniel Ribeiro	  If you say Y here you will get support for the RTC found on
1297d3c7a3f7SDaniel Ribeiro	  the PCAP2 ASIC used on some Motorola phones.
1298d3c7a3f7SDaniel Ribeiro
12991c97872bSUwe Kleine-Königconfig RTC_DRV_MC13XXX
13001c97872bSUwe Kleine-König	depends on MFD_MC13XXX
13011c97872bSUwe Kleine-König	tristate "Freescale MC13xxx RTC"
130243299f28SUwe Kleine-König	help
13031c97872bSUwe Kleine-König	  This enables support for the RTCs found on Freescale's PMICs
13041c97872bSUwe Kleine-König	  MC13783 and MC13892.
130543299f28SUwe Kleine-König
130650aae724SAnatolij Gustschinconfig RTC_DRV_MPC5121
130750aae724SAnatolij Gustschin	tristate "Freescale MPC5121 built-in RTC"
1308955dbea3SDmitry Eremin-Solenikov	depends on PPC_MPC512x || PPC_MPC52xx
130950aae724SAnatolij Gustschin	help
131050aae724SAnatolij Gustschin	  If you say yes here you will get support for the
1311955dbea3SDmitry Eremin-Solenikov	  built-in RTC on MPC5121 or on MPC5200.
131250aae724SAnatolij Gustschin
131350aae724SAnatolij Gustschin	  This driver can also be built as a module. If so, the module
131450aae724SAnatolij Gustschin	  will be called rtc-mpc5121.
131550aae724SAnatolij Gustschin
13163bf0eea8SLars-Peter Clausenconfig RTC_DRV_JZ4740
13173bf0eea8SLars-Peter Clausen	tristate "Ingenic JZ4740 SoC"
13183bf0eea8SLars-Peter Clausen	depends on MACH_JZ4740
13193bf0eea8SLars-Peter Clausen	help
13203bf0eea8SLars-Peter Clausen	  If you say yes here you get support for the Ingenic JZ4740 SoC RTC
13213bf0eea8SLars-Peter Clausen	  controller.
13223bf0eea8SLars-Peter Clausen
13233bf0eea8SLars-Peter Clausen	  This driver can also be buillt as a module. If so, the module
13243bf0eea8SLars-Peter Clausen	  will be called rtc-jz4740.
13253bf0eea8SLars-Peter Clausen
13269aa449beSKevin Wellsconfig RTC_DRV_LPC32XX
13279aa449beSKevin Wells	depends on ARCH_LPC32XX
13289aa449beSKevin Wells	tristate "NXP LPC32XX RTC"
13299aa449beSKevin Wells	help
13309aa449beSKevin Wells	  This enables support for the NXP RTC in the LPC32XX
13319aa449beSKevin Wells
13329aa449beSKevin Wells	  This driver can also be buillt as a module. If so, the module
13339aa449beSKevin Wells	  will be called rtc-lpc32xx.
13349aa449beSKevin Wells
13359a9a54adSAnirudh Ghayalconfig RTC_DRV_PM8XXX
13369a9a54adSAnirudh Ghayal	tristate "Qualcomm PMIC8XXX RTC"
1337c8d523a4SStanimir Varbanov	depends on MFD_PM8XXX || MFD_SPMI_PMIC
13389a9a54adSAnirudh Ghayal	help
13399a9a54adSAnirudh Ghayal	  If you say yes here you get support for the
13409a9a54adSAnirudh Ghayal	  Qualcomm PMIC8XXX RTC.
13419a9a54adSAnirudh Ghayal
13429a9a54adSAnirudh Ghayal	  To compile this driver as a module, choose M here: the
13439a9a54adSAnirudh Ghayal	  module will be called rtc-pm8xxx.
13449a9a54adSAnirudh Ghayal
1345ff859ba6SAndrew Chewconfig RTC_DRV_TEGRA
1346ff859ba6SAndrew Chew	tristate "NVIDIA Tegra Internal RTC driver"
13476b8029faSVenu Byravarasu	depends on ARCH_TEGRA
1348ff859ba6SAndrew Chew	help
1349ff859ba6SAndrew Chew	  If you say yes here you get support for the
1350ff859ba6SAndrew Chew	  Tegra 200 series internal RTC module.
1351ff859ba6SAndrew Chew
1352ff859ba6SAndrew Chew	  This drive can also be built as a module. If so, the module
1353ff859ba6SAndrew Chew	  will be called rtc-tegra.
1354ff859ba6SAndrew Chew
1355dd196a2bSChris Metcalfconfig RTC_DRV_TILE
1356dd196a2bSChris Metcalf	tristate "Tilera hypervisor RTC support"
1357dd196a2bSChris Metcalf	depends on TILE
1358dd196a2bSChris Metcalf	help
1359dd196a2bSChris Metcalf	  Enable support for the Linux driver side of the Tilera
1360dd196a2bSChris Metcalf	  hypervisor's real-time clock interface.
1361dd196a2bSChris Metcalf
13622809e80bSGuan Xuetaoconfig RTC_DRV_PUV3
13632809e80bSGuan Xuetao	tristate "PKUnity v3 RTC support"
13642809e80bSGuan Xuetao	depends on ARCH_PUV3
13652809e80bSGuan Xuetao	help
13662809e80bSGuan Xuetao	  This enables support for the RTC in the PKUnity-v3 SoCs.
13672809e80bSGuan Xuetao
13682809e80bSGuan Xuetao	  This drive can also be built as a module. If so, the module
13692809e80bSGuan Xuetao	  will be called rtc-puv3.
13702809e80bSGuan Xuetao
1371b4f0b880Szhao zhangconfig RTC_DRV_LOONGSON1
1372b4f0b880Szhao zhang	tristate "loongson1 RTC support"
1373b4f0b880Szhao zhang	depends on MACH_LOONGSON1
1374b4f0b880Szhao zhang	help
1375b4f0b880Szhao zhang	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1376b4f0b880Szhao zhang	  counter) to be used as a RTC.
1377b4f0b880Szhao zhang
1378b4f0b880Szhao zhang	  This driver can also be built as a module. If so, the module
1379b4f0b880Szhao zhang	  will be called rtc-ls1x.
1380b4f0b880Szhao zhang
138179811595SFabio Estevamconfig RTC_DRV_MXC
1382b224b9acSFabio Estevam	tristate "Freescale MXC Real Time Clock"
1383b224b9acSFabio Estevam	depends on ARCH_MXC
1384b224b9acSFabio Estevam	help
1385b224b9acSFabio Estevam	   If you say yes here you get support for the Freescale MXC
1386b224b9acSFabio Estevam	   RTC module.
1387b224b9acSFabio Estevam
1388b224b9acSFabio Estevam	   This driver can also be built as a module, if so, the module
1389b224b9acSFabio Estevam	   will be called "rtc-mxc".
1390b224b9acSFabio Estevam
1391179a502fSShawn Guoconfig RTC_DRV_SNVS
1392179a502fSShawn Guo	tristate "Freescale SNVS RTC support"
1393179a502fSShawn Guo	depends on HAS_IOMEM
1394179a502fSShawn Guo	depends on OF
1395179a502fSShawn Guo	help
1396179a502fSShawn Guo	   If you say yes here you get support for the Freescale SNVS
1397179a502fSShawn Guo	   Low Power (LP) RTC module.
1398179a502fSShawn Guo
1399179a502fSShawn Guo	   This driver can also be built as a module, if so, the module
1400179a502fSShawn Guo	   will be called "rtc-snvs".
1401179a502fSShawn Guo
1402e88b815eSXianglong Duconfig RTC_DRV_SIRFSOC
1403e88b815eSXianglong Du	tristate "SiRFSOC RTC"
1404e88b815eSXianglong Du	depends on ARCH_SIRF
1405e88b815eSXianglong Du	help
1406e88b815eSXianglong Du	  Say "yes" here to support the real time clock on SiRF SOC chips.
1407e88b815eSXianglong Du	  This driver can also be built as a module called rtc-sirfsoc.
1408e88b815eSXianglong Du
1409453b4c6dSJonas Jensenconfig RTC_DRV_MOXART
1410453b4c6dSJonas Jensen	tristate "MOXA ART RTC"
1411441fb768SJean Delvare	depends on ARCH_MOXART || COMPILE_TEST
1412453b4c6dSJonas Jensen	help
1413453b4c6dSJonas Jensen	   If you say yes here you get support for the MOXA ART
1414453b4c6dSJonas Jensen	   RTC module.
1415453b4c6dSJonas Jensen
1416453b4c6dSJonas Jensen	   This driver can also be built as a module. If so, the module
1417453b4c6dSJonas Jensen	   will be called rtc-moxart
1418453b4c6dSJonas Jensen
1419f12d8695SLoc Hoconfig RTC_DRV_XGENE
1420f12d8695SLoc Ho	tristate "APM X-Gene RTC"
1421706b632dSChen Gang	depends on HAS_IOMEM
1422f12d8695SLoc Ho	help
1423f12d8695SLoc Ho	  If you say yes here you get support for the APM X-Gene SoC real time
1424f12d8695SLoc Ho	  clock.
1425f12d8695SLoc Ho
1426f12d8695SLoc Ho	  This driver can also be built as a module, if so, the module
1427f12d8695SLoc Ho	  will be called "rtc-xgene".
1428f12d8695SLoc Ho
142962e00cb9SAlexander Hollercomment "HID Sensor RTC drivers"
143062e00cb9SAlexander Holler
143162e00cb9SAlexander Hollerconfig RTC_DRV_HID_SENSOR_TIME
143262e00cb9SAlexander Holler	tristate "HID Sensor Time"
143362e00cb9SAlexander Holler	depends on USB_HID
143462e00cb9SAlexander Holler	select IIO
143562e00cb9SAlexander Holler	select HID_SENSOR_HUB
143662e00cb9SAlexander Holler	select HID_SENSOR_IIO_COMMON
143762e00cb9SAlexander Holler	help
143862e00cb9SAlexander Holler	  Say yes here to build support for the HID Sensors of type Time.
143962e00cb9SAlexander Holler	  This drivers makes such sensors available as RTCs.
144062e00cb9SAlexander Holler
144162e00cb9SAlexander Holler	  If this driver is compiled as a module, it will be named
144262e00cb9SAlexander Holler	  rtc-hid-sensor-time.
144362e00cb9SAlexander Holler
144462e00cb9SAlexander Holler
1445bb35fb20SJan Engelhardtendif # RTC_CLASS
1446