17be2c7c9SDavid Brownell# 2c58411e9SAlessandro Zummo# RTC class/drivers configuration 3c58411e9SAlessandro Zummo# 4c58411e9SAlessandro Zummo 5c58411e9SAlessandro Zummoconfig RTC_LIB 6b4d246b1SJohn Stultz bool 70c86edc0SAlessandro Zummo 8d6faca40SArnd Bergmannconfig RTC_MC146818_LIB 9d6faca40SArnd Bergmann bool 10d6faca40SArnd Bergmann select RTC_LIB 11d6faca40SArnd Bergmann 12bb35fb20SJan Engelhardtmenuconfig RTC_CLASS 13b4d246b1SJohn Stultz bool "Real Time Clock" 140c86edc0SAlessandro Zummo default n 153369465eSAl Viro depends on !S390 && !UML 160c86edc0SAlessandro Zummo select RTC_LIB 170c86edc0SAlessandro Zummo help 180c86edc0SAlessandro Zummo Generic RTC class support. If you say yes here, you will 190c86edc0SAlessandro Zummo be allowed to plug one or more RTCs to your system. You will 2027ae4104SAdrian Bunk probably want to enable one or more of the interfaces below. 210c86edc0SAlessandro Zummo 22bb35fb20SJan Engelhardtif RTC_CLASS 23bb35fb20SJan Engelhardt 240c86edc0SAlessandro Zummoconfig RTC_HCTOSYS 257ca1d488SDavid Brownell bool "Set system time from RTC on startup and resume" 260c86edc0SAlessandro Zummo default y 270c86edc0SAlessandro Zummo help 287ca1d488SDavid Brownell If you say yes here, the system time (wall clock) will be set using 297ca1d488SDavid Brownell the value read from a specified RTC device. This is useful to avoid 307ca1d488SDavid Brownell unnecessary fsck runs at boot time, and to network better. 310c86edc0SAlessandro Zummo 320c86edc0SAlessandro Zummoconfig RTC_HCTOSYS_DEVICE 337ca1d488SDavid Brownell string "RTC used to set the system time" 349c5150b3SXunlei Pang depends on RTC_HCTOSYS 350c86edc0SAlessandro Zummo default "rtc0" 360c86edc0SAlessandro Zummo help 377ca1d488SDavid Brownell The RTC device that will be used to (re)initialize the system 387ca1d488SDavid Brownell clock, usually rtc0. Initialization is done when the system 39779d2089SDavid Brownell starts up, and when it resumes from a low power state. This 40779d2089SDavid Brownell device should record time in UTC, since the kernel won't do 41779d2089SDavid Brownell timezone correction. 427ca1d488SDavid Brownell 4355ff1abaSDavid Brownell The driver for this RTC device must be loaded before late_initcall 4455ff1abaSDavid Brownell functions run, so it must usually be statically linked. 4555ff1abaSDavid Brownell 467ca1d488SDavid Brownell This clock should be battery-backed, so that it reads the correct 477ca1d488SDavid Brownell time when the system boots from a power-off state. Otherwise, your 487ca1d488SDavid Brownell system will need an external clock source (like an NTP server). 497ca1d488SDavid Brownell 507ca1d488SDavid Brownell If the clock you specify here is not battery backed, it may still 517ca1d488SDavid Brownell be useful to reinitialize system time when resuming from system 527ca1d488SDavid Brownell sleep states. Do not specify an RTC here unless it stays powered 537ca1d488SDavid Brownell during all this system's supported sleep states. 540c86edc0SAlessandro Zummo 559c5150b3SXunlei Pangconfig RTC_SYSTOHC 569c5150b3SXunlei Pang bool "Set the RTC time based on NTP synchronization" 579c5150b3SXunlei Pang default y 589c5150b3SXunlei Pang help 599c5150b3SXunlei Pang If you say yes here, the system time (wall clock) will be stored 609c5150b3SXunlei Pang in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11 619c5150b3SXunlei Pang minutes if userspace reports synchronized NTP status. 629c5150b3SXunlei Pang 639c5150b3SXunlei Pangconfig RTC_SYSTOHC_DEVICE 649c5150b3SXunlei Pang string "RTC used to synchronize NTP adjustment" 659c5150b3SXunlei Pang depends on RTC_SYSTOHC 669c5150b3SXunlei Pang default RTC_HCTOSYS_DEVICE if RTC_HCTOSYS 679c5150b3SXunlei Pang default "rtc0" 689c5150b3SXunlei Pang help 699c5150b3SXunlei Pang The RTC device used for NTP synchronization. The main difference 709c5150b3SXunlei Pang between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this 719c5150b3SXunlei Pang one can sleep when setting time, because it runs in the workqueue 729c5150b3SXunlei Pang context. 739c5150b3SXunlei Pang 749e86ecb6SDavid Brownellconfig RTC_DEBUG 759e86ecb6SDavid Brownell bool "RTC debug support" 769e86ecb6SDavid Brownell help 779e86ecb6SDavid Brownell Say yes here to enable debugging support in the RTC framework 789e86ecb6SDavid Brownell and individual RTC drivers. 799e86ecb6SDavid Brownell 800c86edc0SAlessandro Zummocomment "RTC interfaces" 810c86edc0SAlessandro Zummo 82c5c3e192SAlessandro Zummoconfig RTC_INTF_SYSFS 836341e62bSChristoph Jaeger bool "/sys/class/rtc/rtcN (sysfs)" 84bb35fb20SJan Engelhardt depends on SYSFS 858dc08395SKevin Hilman default RTC_CLASS 86c5c3e192SAlessandro Zummo help 879e86ecb6SDavid Brownell Say yes here if you want to use your RTCs using sysfs interfaces, 889e86ecb6SDavid Brownell /sys/class/rtc/rtc0 through /sys/.../rtcN. 89c5c3e192SAlessandro Zummo 90ae64d169SAlessandro Zummo If unsure, say Y. 91c5c3e192SAlessandro Zummo 92728a2947SAlessandro Zummoconfig RTC_INTF_PROC 936341e62bSChristoph Jaeger bool "/proc/driver/rtc (procfs for rtcN)" 94bb35fb20SJan Engelhardt depends on PROC_FS 958dc08395SKevin Hilman default RTC_CLASS 96728a2947SAlessandro Zummo help 9792589c98SKim, Milo Say yes here if you want to use your system clock RTC through 9892589c98SKim, Milo the proc interface, /proc/driver/rtc. 9992589c98SKim, Milo Other RTCs will not be available through that API. 10092589c98SKim, Milo If there is no RTC for the system clock, then the first RTC(rtc0) 10192589c98SKim, Milo is used by default. 102728a2947SAlessandro Zummo 103ae64d169SAlessandro Zummo If unsure, say Y. 104728a2947SAlessandro Zummo 105e824290eSAlessandro Zummoconfig RTC_INTF_DEV 1066341e62bSChristoph Jaeger bool "/dev/rtcN (character devices)" 1078dc08395SKevin Hilman default RTC_CLASS 108e824290eSAlessandro Zummo help 1099e86ecb6SDavid Brownell Say yes here if you want to use your RTCs using the /dev 1109e86ecb6SDavid Brownell interfaces, which "udev" sets up as /dev/rtc0 through 111ae64d169SAlessandro Zummo /dev/rtcN. 112e824290eSAlessandro Zummo 113ae64d169SAlessandro Zummo You may want to set up a symbolic link so one of these 114ae64d169SAlessandro Zummo can be accessed as /dev/rtc, which is a name 115ae64d169SAlessandro Zummo expected by "hwclock" and some other programs. Recent 116ae64d169SAlessandro Zummo versions of "udev" are known to set up the symlink for you. 117ae64d169SAlessandro Zummo 118ae64d169SAlessandro Zummo If unsure, say Y. 119e824290eSAlessandro Zummo 1206e57b1d6SJohn Stultzconfig RTC_INTF_DEV_UIE_EMUL 1216e57b1d6SJohn Stultz bool "RTC UIE emulation on dev interface" 1226e57b1d6SJohn Stultz depends on RTC_INTF_DEV 1236e57b1d6SJohn Stultz help 1246e57b1d6SJohn Stultz Provides an emulation for RTC_UIE if the underlying rtc chip 1256e57b1d6SJohn Stultz driver does not expose RTC_UIE ioctls. Those requests generate 1266e57b1d6SJohn Stultz once-per-second update interrupts, used for synchronization. 1276e57b1d6SJohn Stultz 1286e57b1d6SJohn Stultz The emulation code will read the time from the hardware 1296e57b1d6SJohn Stultz clock several times per second, please enable this option 1306e57b1d6SJohn Stultz only if you know that you really need it. 1316e57b1d6SJohn Stultz 13209a21e56SAlessandro Zummoconfig RTC_DRV_TEST 13309a21e56SAlessandro Zummo tristate "Test driver/device" 13409a21e56SAlessandro Zummo help 13509a21e56SAlessandro Zummo If you say yes here you get support for the 13609a21e56SAlessandro Zummo RTC test driver. It's a software RTC which can be 13709a21e56SAlessandro Zummo used to test the RTC subsystem APIs. It gets 13809a21e56SAlessandro Zummo the time from the system clock. 13909a21e56SAlessandro Zummo You want this driver only if you are doing development 14009a21e56SAlessandro Zummo on the RTC subsystem. Please read the source code 14109a21e56SAlessandro Zummo for further details. 14209a21e56SAlessandro Zummo 14309a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 14409a21e56SAlessandro Zummo will be called rtc-test. 14509a21e56SAlessandro Zummo 14609a21e56SAlessandro Zummocomment "I2C RTC drivers" 147bb35fb20SJan Engelhardt 148bb35fb20SJan Engelhardtif I2C 14909a21e56SAlessandro Zummo 150008b3040SHaojian Zhuangconfig RTC_DRV_88PM860X 151008b3040SHaojian Zhuang tristate "Marvell 88PM860x" 1523783055eSAlexandre Belloni depends on MFD_88PM860X 153008b3040SHaojian Zhuang help 154008b3040SHaojian Zhuang If you say yes here you get support for RTC function in Marvell 155008b3040SHaojian Zhuang 88PM860x chips. 156008b3040SHaojian Zhuang 157008b3040SHaojian Zhuang This driver can also be built as a module. If so, the module 158008b3040SHaojian Zhuang will be called rtc-88pm860x. 159008b3040SHaojian Zhuang 1602985c29cSQiao Zhouconfig RTC_DRV_88PM80X 1612985c29cSQiao Zhou tristate "Marvell 88PM80x" 1623783055eSAlexandre Belloni depends on MFD_88PM800 1632985c29cSQiao Zhou help 1642985c29cSQiao Zhou If you say yes here you get support for RTC function in Marvell 1652985c29cSQiao Zhou 88PM80x chips. 1662985c29cSQiao Zhou 1672985c29cSQiao Zhou This driver can also be built as a module. If so, the module 1682985c29cSQiao Zhou will be called rtc-88pm80x. 1692985c29cSQiao Zhou 1700b2f6228SArnaud Ebalardconfig RTC_DRV_ABB5ZES3 1710b2f6228SArnaud Ebalard select REGMAP_I2C 1720b2f6228SArnaud Ebalard tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3" 1730b2f6228SArnaud Ebalard help 1740b2f6228SArnaud Ebalard If you say yes here you get support for the Abracon 1750b2f6228SArnaud Ebalard AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip. 1760b2f6228SArnaud Ebalard 1770b2f6228SArnaud Ebalard This driver can also be built as a module. If so, the module 1780b2f6228SArnaud Ebalard will be called rtc-ab-b5ze-s3. 1790b2f6228SArnaud Ebalard 1804d61ff6bSPhilippe De Muyterconfig RTC_DRV_ABX80X 1814d61ff6bSPhilippe De Muyter tristate "Abracon ABx80x" 1824d61ff6bSPhilippe De Muyter help 1834d61ff6bSPhilippe De Muyter If you say yes here you get support for Abracon AB080X and AB180X 1844d61ff6bSPhilippe De Muyter families of ultra-low-power battery- and capacitor-backed real-time 1854d61ff6bSPhilippe De Muyter clock chips. 1864d61ff6bSPhilippe De Muyter 1874d61ff6bSPhilippe De Muyter This driver can also be built as a module. If so, the module 1884d61ff6bSPhilippe De Muyter will be called rtc-abx80x. 1894d61ff6bSPhilippe De Muyter 190*d00a18a4SChen-Yu Tsaiconfig RTC_DRV_AC100 191*d00a18a4SChen-Yu Tsai tristate "X-Powers AC100" 192*d00a18a4SChen-Yu Tsai depends on MFD_AC100 193*d00a18a4SChen-Yu Tsai help 194*d00a18a4SChen-Yu Tsai If you say yes here you get support for the real-time clock found 195*d00a18a4SChen-Yu Tsai in X-Powers AC100 family peripheral ICs. 196*d00a18a4SChen-Yu Tsai 197*d00a18a4SChen-Yu Tsai This driver can also be built as a module. If so, the module 198*d00a18a4SChen-Yu Tsai will be called rtc-ac100. 199*d00a18a4SChen-Yu Tsai 200b4506261SLaxman Dewanganconfig RTC_DRV_AS3722 201b4506261SLaxman Dewangan tristate "ams AS3722 RTC driver" 202b4506261SLaxman Dewangan depends on MFD_AS3722 203b4506261SLaxman Dewangan help 204b4506261SLaxman Dewangan If you say yes here you get support for the RTC of ams AS3722 PMIC 205b4506261SLaxman Dewangan chips. 206b4506261SLaxman Dewangan 207b4506261SLaxman Dewangan This driver can also be built as a module. If so, the module 208b4506261SLaxman Dewangan will be called rtc-as3722. 209b4506261SLaxman Dewangan 21009a21e56SAlessandro Zummoconfig RTC_DRV_DS1307 211a2166858SMatthias Fuchs tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025" 21209a21e56SAlessandro Zummo help 21309a21e56SAlessandro Zummo If you say yes here you get support for various compatible RTC 21409a21e56SAlessandro Zummo chips (often with battery backup) connected with I2C. This driver 21509a21e56SAlessandro Zummo should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00, 216a2166858SMatthias Fuchs EPSON RX-8025 and probably other chips. In some cases the RTC 217a2166858SMatthias Fuchs must already have been initialized (by manufacturing or a 218a2166858SMatthias Fuchs bootloader). 21909a21e56SAlessandro Zummo 22009a21e56SAlessandro Zummo The first seven registers on these chips hold an RTC, and other 22109a21e56SAlessandro Zummo registers may add features such as NVRAM, a trickle charger for 222682d73f6SDavid Brownell the RTC/NVRAM backup power, and alarms. NVRAM is visible in 223682d73f6SDavid Brownell sysfs, but other chip features may not be available. 22409a21e56SAlessandro Zummo 22509a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 22609a21e56SAlessandro Zummo will be called rtc-ds1307. 22709a21e56SAlessandro Zummo 228445c0207SAkinobu Mitaconfig RTC_DRV_DS1307_HWMON 229445c0207SAkinobu Mita bool "HWMON support for rtc-ds1307" 230445c0207SAkinobu Mita depends on RTC_DRV_DS1307 && HWMON 231445c0207SAkinobu Mita depends on !(RTC_DRV_DS1307=y && HWMON=m) 232445c0207SAkinobu Mita default y 233445c0207SAkinobu Mita help 234445c0207SAkinobu Mita Say Y here if you want to expose temperature sensor data on 235445c0207SAkinobu Mita rtc-ds1307 (only DS3231) 236445c0207SAkinobu Mita 237bf4994d7SScott Woodconfig RTC_DRV_DS1374 23809b6bdb3SAlessandro Zummo tristate "Dallas/Maxim DS1374" 239bf4994d7SScott Wood help 240bf4994d7SScott Wood If you say yes here you get support for Dallas Semiconductor 241bf4994d7SScott Wood DS1374 real-time clock chips. If an interrupt is associated 242bf4994d7SScott Wood with the device, the alarm functionality is supported. 243bf4994d7SScott Wood 244bf4994d7SScott Wood This driver can also be built as a module. If so, the module 245bf4994d7SScott Wood will be called rtc-ds1374. 246bf4994d7SScott Wood 247920f91e5SSøren Andersenconfig RTC_DRV_DS1374_WDT 248920f91e5SSøren Andersen bool "Dallas/Maxim DS1374 watchdog timer" 249920f91e5SSøren Andersen depends on RTC_DRV_DS1374 250920f91e5SSøren Andersen help 251920f91e5SSøren Andersen If you say Y here you will get support for the 252920f91e5SSøren Andersen watchdog timer in the Dallas Semiconductor DS1374 253920f91e5SSøren Andersen real-time clock chips. 254920f91e5SSøren Andersen 25509a21e56SAlessandro Zummoconfig RTC_DRV_DS1672 25609a21e56SAlessandro Zummo tristate "Dallas/Maxim DS1672" 25709a21e56SAlessandro Zummo help 25809a21e56SAlessandro Zummo If you say yes here you get support for the 25909a21e56SAlessandro Zummo Dallas/Maxim DS1672 timekeeping chip. 26009a21e56SAlessandro Zummo 26109a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 26209a21e56SAlessandro Zummo will be called rtc-ds1672. 26309a21e56SAlessandro Zummo 264dcaf0384SHeiko Stuebnerconfig RTC_DRV_HYM8563 265dcaf0384SHeiko Stuebner tristate "Haoyu Microelectronics HYM8563" 2663783055eSAlexandre Belloni depends on OF 267dcaf0384SHeiko Stuebner help 268dcaf0384SHeiko Stuebner Say Y to enable support for the HYM8563 I2C RTC chip. Apart 269dcaf0384SHeiko Stuebner from the usual rtc functions it provides a clock output of 270dcaf0384SHeiko Stuebner up to 32kHz. 271dcaf0384SHeiko Stuebner 272dcaf0384SHeiko Stuebner This driver can also be built as a module. If so, the module 273dcaf0384SHeiko Stuebner will be called rtc-hym8563. 274dcaf0384SHeiko Stuebner 27538ae176eSKim, Miloconfig RTC_DRV_LP8788 27638ae176eSKim, Milo tristate "TI LP8788 RTC driver" 27738ae176eSKim, Milo depends on MFD_LP8788 27838ae176eSKim, Milo help 27938ae176eSKim, Milo Say Y to enable support for the LP8788 RTC/ALARM driver. 28038ae176eSKim, Milo 28109a21e56SAlessandro Zummoconfig RTC_DRV_MAX6900 28209b6bdb3SAlessandro Zummo tristate "Maxim MAX6900" 28309a21e56SAlessandro Zummo help 28409a21e56SAlessandro Zummo If you say yes here you will get support for the 28509a21e56SAlessandro Zummo Maxim MAX6900 I2C RTC chip. 28609a21e56SAlessandro Zummo 28709a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 28809a21e56SAlessandro Zummo will be called rtc-max6900. 28909a21e56SAlessandro Zummo 29094c01ab6SStephen Warrenconfig RTC_DRV_MAX8907 29194c01ab6SStephen Warren tristate "Maxim MAX8907" 29294c01ab6SStephen Warren depends on MFD_MAX8907 29394c01ab6SStephen Warren help 29494c01ab6SStephen Warren If you say yes here you will get support for the 29594c01ab6SStephen Warren RTC of Maxim MAX8907 PMIC. 29694c01ab6SStephen Warren 29794c01ab6SStephen Warren This driver can also be built as a module. If so, the module 29894c01ab6SStephen Warren will be called rtc-max8907. 29994c01ab6SStephen Warren 300a39069f6SHaojian Zhuangconfig RTC_DRV_MAX8925 301a39069f6SHaojian Zhuang tristate "Maxim MAX8925" 302a39069f6SHaojian Zhuang depends on MFD_MAX8925 303a39069f6SHaojian Zhuang help 304a39069f6SHaojian Zhuang If you say yes here you will get support for the 305a39069f6SHaojian Zhuang RTC of Maxim MAX8925 PMIC. 306a39069f6SHaojian Zhuang 307a39069f6SHaojian Zhuang This driver can also be built as a module. If so, the module 308a39069f6SHaojian Zhuang will be called rtc-max8925. 309a39069f6SHaojian Zhuang 3109b16c0a4SJoonyoung Shimconfig RTC_DRV_MAX8998 3119b16c0a4SJoonyoung Shim tristate "Maxim MAX8998" 3129b16c0a4SJoonyoung Shim depends on MFD_MAX8998 3139b16c0a4SJoonyoung Shim help 3149b16c0a4SJoonyoung Shim If you say yes here you will get support for the 3159b16c0a4SJoonyoung Shim RTC of Maxim MAX8998 PMIC. 3169b16c0a4SJoonyoung Shim 3179b16c0a4SJoonyoung Shim This driver can also be built as a module. If so, the module 3189b16c0a4SJoonyoung Shim will be called rtc-max8998. 3199b16c0a4SJoonyoung Shim 3205e0b2704SJonghwa Leeconfig RTC_DRV_MAX8997 3215e0b2704SJonghwa Lee tristate "Maxim MAX8997" 3225e0b2704SJonghwa Lee depends on MFD_MAX8997 3235e0b2704SJonghwa Lee help 3245e0b2704SJonghwa Lee If you say yes here you will get support for the 3255e0b2704SJonghwa Lee RTC of Maxim MAX8997 PMIC. 3265e0b2704SJonghwa Lee 3275e0b2704SJonghwa Lee This driver can also be built as a module. If so, the module 3285e0b2704SJonghwa Lee will be called rtc-max8997. 3295e0b2704SJonghwa Lee 330fca1dd03SJonghwa Leeconfig RTC_DRV_MAX77686 331fca1dd03SJonghwa Lee tristate "Maxim MAX77686" 332726fe738SLaxman Dewangan depends on MFD_MAX77686 || MFD_MAX77620 333fca1dd03SJonghwa Lee help 334fca1dd03SJonghwa Lee If you say yes here you will get support for the 335726fe738SLaxman Dewangan RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC. 336fca1dd03SJonghwa Lee 337fca1dd03SJonghwa Lee This driver can also be built as a module. If so, the module 338fca1dd03SJonghwa Lee will be called rtc-max77686. 339fca1dd03SJonghwa Lee 3403ca1e326SChris Zhongconfig RTC_DRV_RK808 3413ca1e326SChris Zhong tristate "Rockchip RK808 RTC" 3423ca1e326SChris Zhong depends on MFD_RK808 3433ca1e326SChris Zhong help 3443ca1e326SChris Zhong If you say yes here you will get support for the 3453ca1e326SChris Zhong RTC of RK808 PMIC. 3463ca1e326SChris Zhong 3473ca1e326SChris Zhong This driver can also be built as a module. If so, the module 3483ca1e326SChris Zhong will be called rk808-rtc. 3493ca1e326SChris Zhong 35009a21e56SAlessandro Zummoconfig RTC_DRV_RS5C372 3515d4529beSPaul Mundt tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A" 35209a21e56SAlessandro Zummo help 35309a21e56SAlessandro Zummo If you say yes here you get support for the 3545d4529beSPaul Mundt Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips. 35509a21e56SAlessandro Zummo 35609a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 35709a21e56SAlessandro Zummo will be called rtc-rs5c372. 35809a21e56SAlessandro Zummo 35909a21e56SAlessandro Zummoconfig RTC_DRV_ISL1208 36009b6bdb3SAlessandro Zummo tristate "Intersil ISL1208" 36109a21e56SAlessandro Zummo help 36209a21e56SAlessandro Zummo If you say yes here you get support for the 36309b6bdb3SAlessandro Zummo Intersil ISL1208 RTC chip. 36409a21e56SAlessandro Zummo 36509a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 36609a21e56SAlessandro Zummo will be called rtc-isl1208. 36709a21e56SAlessandro Zummo 368d6c7428fSRoman Fietzeconfig RTC_DRV_ISL12022 369d6c7428fSRoman Fietze tristate "Intersil ISL12022" 370d6c7428fSRoman Fietze help 371d6c7428fSRoman Fietze If you say yes here you get support for the 372d6c7428fSRoman Fietze Intersil ISL12022 RTC chip. 373d6c7428fSRoman Fietze 374d6c7428fSRoman Fietze This driver can also be built as a module. If so, the module 375d6c7428fSRoman Fietze will be called rtc-isl12022. 376d6c7428fSRoman Fietze 37770e12337SArnaud Ebalardconfig RTC_DRV_ISL12057 37870e12337SArnaud Ebalard select REGMAP_I2C 37970e12337SArnaud Ebalard tristate "Intersil ISL12057" 38070e12337SArnaud Ebalard help 38170e12337SArnaud Ebalard If you say yes here you get support for the Intersil ISL12057 38270e12337SArnaud Ebalard I2C RTC chip. 38370e12337SArnaud Ebalard 38470e12337SArnaud Ebalard This driver can also be built as a module. If so, the module 38570e12337SArnaud Ebalard will be called rtc-isl12057. 38670e12337SArnaud Ebalard 38709a21e56SAlessandro Zummoconfig RTC_DRV_X1205 38809a21e56SAlessandro Zummo tristate "Xicor/Intersil X1205" 38909a21e56SAlessandro Zummo help 39009a21e56SAlessandro Zummo If you say yes here you get support for the 39109a21e56SAlessandro Zummo Xicor/Intersil X1205 RTC chip. 39209a21e56SAlessandro Zummo 39309a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 39409a21e56SAlessandro Zummo will be called rtc-x1205. 39509a21e56SAlessandro Zummo 396f803f0d0SThierry Redingconfig RTC_DRV_PCF8523 397f803f0d0SThierry Reding tristate "NXP PCF8523" 398f803f0d0SThierry Reding help 399f803f0d0SThierry Reding If you say yes here you get support for the NXP PCF8523 RTC 400f803f0d0SThierry Reding chips. 401f803f0d0SThierry Reding 402f803f0d0SThierry Reding This driver can also be built as a module. If so, the module 403f803f0d0SThierry Reding will be called rtc-pcf8523. 404f803f0d0SThierry Reding 405d084885eSSoren Brinkmannconfig RTC_DRV_PCF85063 406d084885eSSoren Brinkmann tristate "NXP PCF85063" 407d084885eSSoren Brinkmann help 408d084885eSSoren Brinkmann If you say yes here you get support for the PCF85063 RTC chip 409d084885eSSoren Brinkmann 410d084885eSSoren Brinkmann This driver can also be built as a module. If so, the module 411d084885eSSoren Brinkmann will be called rtc-pcf85063. 412d084885eSSoren Brinkmann 41309a21e56SAlessandro Zummoconfig RTC_DRV_PCF8563 41409a21e56SAlessandro Zummo tristate "Philips PCF8563/Epson RTC8564" 41509a21e56SAlessandro Zummo help 41609a21e56SAlessandro Zummo If you say yes here you get support for the 41709a21e56SAlessandro Zummo Philips PCF8563 RTC chip. The Epson RTC8564 41809a21e56SAlessandro Zummo should work as well. 41909a21e56SAlessandro Zummo 42009a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 42109a21e56SAlessandro Zummo will be called rtc-pcf8563. 42209a21e56SAlessandro Zummo 42309a21e56SAlessandro Zummoconfig RTC_DRV_PCF8583 42409a21e56SAlessandro Zummo tristate "Philips PCF8583" 42509a21e56SAlessandro Zummo help 42609a21e56SAlessandro Zummo If you say yes here you get support for the Philips PCF8583 42709a21e56SAlessandro Zummo RTC chip found on Acorn RiscPCs. This driver supports the 42809a21e56SAlessandro Zummo platform specific method of retrieving the current year from 42909a21e56SAlessandro Zummo the RTC's SRAM. It will work on other platforms with the same 43009a21e56SAlessandro Zummo chip, but the year will probably have to be tweaked. 43109a21e56SAlessandro Zummo 43209a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 43309a21e56SAlessandro Zummo will be called rtc-pcf8583. 43409a21e56SAlessandro Zummo 435caaff562SAtsushi Nemotoconfig RTC_DRV_M41T80 4366b1a5235SWolfram Sang tristate "ST M41T62/65/M41T80/81/82/83/84/85/87 and compatible" 437caaff562SAtsushi Nemoto help 438d3a126fcSSteven A. Falco If you say Y here you will get support for the ST M41T60 439d3a126fcSSteven A. Falco and M41T80 RTC chips series. Currently, the following chips are 440f30281f4SDaniel Glockner supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84, 4416b1a5235SWolfram Sang M41ST85, M41ST87, and MicroCrystal RV4162. 442caaff562SAtsushi Nemoto 443caaff562SAtsushi Nemoto This driver can also be built as a module. If so, the module 444caaff562SAtsushi Nemoto will be called rtc-m41t80. 445caaff562SAtsushi Nemoto 446617780d2SAtsushi Nemotoconfig RTC_DRV_M41T80_WDT 447d3a126fcSSteven A. Falco bool "ST M41T65/M41T80 series RTC watchdog timer" 448617780d2SAtsushi Nemoto depends on RTC_DRV_M41T80 449617780d2SAtsushi Nemoto help 450617780d2SAtsushi Nemoto If you say Y here you will get support for the 451d3a126fcSSteven A. Falco watchdog timer in the ST M41T60 and M41T80 RTC chips series. 452617780d2SAtsushi Nemoto 4531ce7c83fSPiotr Ziecikconfig RTC_DRV_BQ32K 4541ce7c83fSPiotr Ziecik tristate "TI BQ32000" 4551ce7c83fSPiotr Ziecik help 4561ce7c83fSPiotr Ziecik If you say Y here you will get support for the TI 4571ce7c83fSPiotr Ziecik BQ32000 I2C RTC chip. 4581ce7c83fSPiotr Ziecik 4591ce7c83fSPiotr Ziecik This driver can also be built as a module. If so, the module 4601ce7c83fSPiotr Ziecik will be called rtc-bq32k. 4611ce7c83fSPiotr Ziecik 462afd8d0f9SDavid Brownellconfig RTC_DRV_DM355EVM 463afd8d0f9SDavid Brownell tristate "TI DaVinci DM355 EVM RTC" 464afd8d0f9SDavid Brownell depends on MFD_DM355EVM_MSP 465afd8d0f9SDavid Brownell help 466afd8d0f9SDavid Brownell Supports the RTC firmware in the MSP430 on the DM355 EVM. 467afd8d0f9SDavid Brownell 4680c4a59feSTony Lindgrenconfig RTC_DRV_TWL92330 4696341e62bSChristoph Jaeger bool "TI TWL92330/Menelaus" 470bb35fb20SJan Engelhardt depends on MENELAUS 4710c4a59feSTony Lindgren help 4720c4a59feSTony Lindgren If you say yes here you get support for the RTC on the 47301dd2fbfSMatt LaPlante TWL92330 "Menelaus" power management chip, used with OMAP2 4740c4a59feSTony Lindgren platforms. The support is integrated with the rest of 4750c4a59feSTony Lindgren the Menelaus driver; it's not separate module. 4760c4a59feSTony Lindgren 477f96411abSDavid Brownellconfig RTC_DRV_TWL4030 478a6b49ffdSBalaji T K tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0" 4796b8029faSVenu Byravarasu depends on TWL4030_CORE 480f96411abSDavid Brownell help 481f96411abSDavid Brownell If you say yes here you get support for the RTC on the 482a6b49ffdSBalaji T K TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms. 483f96411abSDavid Brownell 484f96411abSDavid Brownell This driver can also be built as a module. If so, the module 485a6b49ffdSBalaji T K will be called rtc-twl. 486f96411abSDavid Brownell 487d084885eSSoren Brinkmannconfig RTC_DRV_PALMAS 488d084885eSSoren Brinkmann tristate "TI Palmas RTC driver" 489d084885eSSoren Brinkmann depends on MFD_PALMAS 490d084885eSSoren Brinkmann help 491d084885eSSoren Brinkmann If you say yes here you get support for the RTC of TI PALMA series PMIC 492d084885eSSoren Brinkmann chips. 493d084885eSSoren Brinkmann 494d084885eSSoren Brinkmann This driver can also be built as a module. If so, the module 495d084885eSSoren Brinkmann will be called rtc-palma. 496d084885eSSoren Brinkmann 497dc59ed38SLaxman Dewanganconfig RTC_DRV_TPS6586X 498dc59ed38SLaxman Dewangan tristate "TI TPS6586X RTC driver" 499dc59ed38SLaxman Dewangan depends on MFD_TPS6586X 500dc59ed38SLaxman Dewangan help 501a895d57dSMasanari Iida TI Power Management IC TPS6586X supports RTC functionality 502dc59ed38SLaxman Dewangan along with alarm. This driver supports the RTC driver for 503dc59ed38SLaxman Dewangan the TPS6586X RTC module. 504dc59ed38SLaxman Dewangan 5050e783980SVenu Byravarasuconfig RTC_DRV_TPS65910 5060e783980SVenu Byravarasu tristate "TI TPS65910 RTC driver" 5070e783980SVenu Byravarasu depends on RTC_CLASS && MFD_TPS65910 5080e783980SVenu Byravarasu help 5090e783980SVenu Byravarasu If you say yes here you get support for the RTC on the 5100e783980SVenu Byravarasu TPS65910 chips. 5110e783980SVenu Byravarasu 5120e783980SVenu Byravarasu This driver can also be built as a module. If so, the module 5130e783980SVenu Byravarasu will be called rtc-tps65910. 5140e783980SVenu Byravarasu 51536d61824SLaxman Dewanganconfig RTC_DRV_TPS80031 51636d61824SLaxman Dewangan tristate "TI TPS80031/TPS80032 RTC driver" 51736d61824SLaxman Dewangan depends on MFD_TPS80031 51836d61824SLaxman Dewangan help 519a895d57dSMasanari Iida TI Power Management IC TPS80031 supports RTC functionality 52036d61824SLaxman Dewangan along with alarm. This driver supports the RTC driver for 52136d61824SLaxman Dewangan the TPS80031 RTC module. 52236d61824SLaxman Dewangan 52390829c08SVenu Byravarasuconfig RTC_DRV_RC5T583 52490829c08SVenu Byravarasu tristate "RICOH 5T583 RTC driver" 52590829c08SVenu Byravarasu depends on MFD_RC5T583 52690829c08SVenu Byravarasu help 52790829c08SVenu Byravarasu If you say yes here you get support for the RTC on the 52890829c08SVenu Byravarasu RICOH 5T583 chips. 52990829c08SVenu Byravarasu 53090829c08SVenu Byravarasu This driver can also be built as a module. If so, the module 53190829c08SVenu Byravarasu will be called rtc-rc5t583. 53290829c08SVenu Byravarasu 533c46288b0SByron Bradleyconfig RTC_DRV_S35390A 534c46288b0SByron Bradley tristate "Seiko Instruments S-35390A" 535d479540dSRandy Dunlap select BITREVERSE 536c46288b0SByron Bradley help 537c46288b0SByron Bradley If you say yes here you will get support for the Seiko 538c46288b0SByron Bradley Instruments S-35390A. 539c46288b0SByron Bradley 540c46288b0SByron Bradley This driver can also be built as a module. If so the module 541c46288b0SByron Bradley will be called rtc-s35390a. 542c46288b0SByron Bradley 543c6d8f400SSergey Lapinconfig RTC_DRV_FM3130 544c6d8f400SSergey Lapin tristate "Ramtron FM3130" 545c6d8f400SSergey Lapin help 546c6d8f400SSergey Lapin If you say Y here you will get support for the 547c6d8f400SSergey Lapin Ramtron FM3130 RTC chips. 548c6d8f400SSergey Lapin Ramtron FM3130 is a chip with two separate devices inside, 549c6d8f400SSergey Lapin RTC clock and FRAM. This driver provides only RTC functionality. 550c6d8f400SSergey Lapin 551c6d8f400SSergey Lapin This driver can also be built as a module. If so the module 552c6d8f400SSergey Lapin will be called rtc-fm3130. 553c6d8f400SSergey Lapin 554ed13d89bSAkshay Bhatconfig RTC_DRV_RX8010 555ed13d89bSAkshay Bhat tristate "Epson RX8010SJ" 556ed13d89bSAkshay Bhat depends on I2C 557ed13d89bSAkshay Bhat help 558ed13d89bSAkshay Bhat If you say yes here you get support for the Epson RX8010SJ RTC 559ed13d89bSAkshay Bhat chip. 560ed13d89bSAkshay Bhat 561ed13d89bSAkshay Bhat This driver can also be built as a module. If so, the module 562ed13d89bSAkshay Bhat will be called rtc-rx8010. 563ed13d89bSAkshay Bhat 564a7fa9851SMartyn Welchconfig RTC_DRV_RX8581 565a7fa9851SMartyn Welch tristate "Epson RX-8581" 566a7fa9851SMartyn Welch help 567a7fa9851SMartyn Welch If you say yes here you will get support for the Epson RX-8581. 568a7fa9851SMartyn Welch 569a7fa9851SMartyn Welch This driver can also be built as a module. If so the module 570a7fa9851SMartyn Welch will be called rtc-rx8581. 571a7fa9851SMartyn Welch 5723c2b9075SWolfgang Grandeggerconfig RTC_DRV_RX8025 5733c2b9075SWolfgang Grandegger tristate "Epson RX-8025SA/NB" 5743c2b9075SWolfgang Grandegger help 5753c2b9075SWolfgang Grandegger If you say yes here you get support for the Epson 5763c2b9075SWolfgang Grandegger RX-8025SA/NB RTC chips. 5773c2b9075SWolfgang Grandegger 5783c2b9075SWolfgang Grandegger This driver can also be built as a module. If so, the module 5793c2b9075SWolfgang Grandegger will be called rtc-rx8025. 5803c2b9075SWolfgang Grandegger 581ae3551f9SMike Rapoportconfig RTC_DRV_EM3027 582ae3551f9SMike Rapoport tristate "EM Microelectronic EM3027" 583ae3551f9SMike Rapoport help 584ae3551f9SMike Rapoport If you say yes here you get support for the EM 585ae3551f9SMike Rapoport Microelectronic EM3027 RTC chips. 586ae3551f9SMike Rapoport 587ae3551f9SMike Rapoport This driver can also be built as a module. If so, the module 588ae3551f9SMike Rapoport will be called rtc-em3027. 589ae3551f9SMike Rapoport 5901e3929efSAlexandre Belloniconfig RTC_DRV_RV8803 59134166a00SBenoît Thébaudeau tristate "Micro Crystal RV8803, Epson RX8900" 5921e3929efSAlexandre Belloni help 59334166a00SBenoît Thébaudeau If you say yes here you get support for the Micro Crystal RV8803 and 59434166a00SBenoît Thébaudeau Epson RX8900 RTC chips. 5951e3929efSAlexandre Belloni 5961e3929efSAlexandre Belloni This driver can also be built as a module. If so, the module 5971e3929efSAlexandre Belloni will be called rtc-rv8803. 5981e3929efSAlexandre Belloni 5995bccae6eSSangbeom Kimconfig RTC_DRV_S5M 6000c5deb1eSKrzysztof Kozlowski tristate "Samsung S2M/S5M series" 6015bccae6eSSangbeom Kim depends on MFD_SEC_CORE 6025bccae6eSSangbeom Kim help 6035bccae6eSSangbeom Kim If you say yes here you will get support for the 6040c5deb1eSKrzysztof Kozlowski RTC of Samsung S2MPS14 and S5M PMIC series. 6055bccae6eSSangbeom Kim 6065bccae6eSSangbeom Kim This driver can also be built as a module. If so, the module 6075bccae6eSSangbeom Kim will be called rtc-s5m. 6085bccae6eSSangbeom Kim 609bb35fb20SJan Engelhardtendif # I2C 610bb35fb20SJan Engelhardt 61109a21e56SAlessandro Zummocomment "SPI RTC drivers" 612bb35fb20SJan Engelhardt 613bb35fb20SJan Engelhardtif SPI_MASTER 61409a21e56SAlessandro Zummo 61574d34d4bSVoss, Nikolausconfig RTC_DRV_M41T93 61674d34d4bSVoss, Nikolaus tristate "ST M41T93" 61774d34d4bSVoss, Nikolaus help 61874d34d4bSVoss, Nikolaus If you say yes here you will get support for the 61974d34d4bSVoss, Nikolaus ST M41T93 SPI RTC chip. 62074d34d4bSVoss, Nikolaus 62174d34d4bSVoss, Nikolaus This driver can also be built as a module. If so, the module 62274d34d4bSVoss, Nikolaus will be called rtc-m41t93. 62374d34d4bSVoss, Nikolaus 6248fc2c767SKim B. Heinoconfig RTC_DRV_M41T94 6258fc2c767SKim B. Heino tristate "ST M41T94" 6268fc2c767SKim B. Heino help 6278fc2c767SKim B. Heino If you say yes here you will get support for the 6288fc2c767SKim B. Heino ST M41T94 SPI RTC chip. 6298fc2c767SKim B. Heino 6308fc2c767SKim B. Heino This driver can also be built as a module. If so, the module 6318fc2c767SKim B. Heino will be called rtc-m41t94. 6328fc2c767SKim B. Heino 633d25a5ed3SSergey Yanovichconfig RTC_DRV_DS1302 634d25a5ed3SSergey Yanovich tristate "Dallas/Maxim DS1302" 635d25a5ed3SSergey Yanovich depends on SPI 636d25a5ed3SSergey Yanovich help 637d25a5ed3SSergey Yanovich If you say yes here you get support for the Dallas DS1302 RTC chips. 638d25a5ed3SSergey Yanovich 639d25a5ed3SSergey Yanovich This driver can also be built as a module. If so, the module 640d25a5ed3SSergey Yanovich will be called rtc-ds1302. 641d25a5ed3SSergey Yanovich 64253e84b67SDavid Brownellconfig RTC_DRV_DS1305 64353e84b67SDavid Brownell tristate "Dallas/Maxim DS1305/DS1306" 64453e84b67SDavid Brownell help 64553e84b67SDavid Brownell Select this driver to get support for the Dallas/Maxim DS1305 64653e84b67SDavid Brownell and DS1306 real time clock chips. These support a trickle 64753e84b67SDavid Brownell charger, alarms, and NVRAM in addition to the clock. 64853e84b67SDavid Brownell 64953e84b67SDavid Brownell This driver can also be built as a module. If so, the module 65053e84b67SDavid Brownell will be called rtc-ds1305. 65153e84b67SDavid Brownell 6521d6316f5SRaghavendra Ganigaconfig RTC_DRV_DS1343 6530dd449b1SRaghavendra Ganiga select REGMAP_SPI 6541d6316f5SRaghavendra Ganiga tristate "Dallas/Maxim DS1343/DS1344" 6551d6316f5SRaghavendra Ganiga help 6561d6316f5SRaghavendra Ganiga If you say yes here you get support for the 6571d6316f5SRaghavendra Ganiga Dallas/Maxim DS1343 and DS1344 real time clock chips. 6581d6316f5SRaghavendra Ganiga Support for trickle charger, alarm is provided. 6591d6316f5SRaghavendra Ganiga 6601d6316f5SRaghavendra Ganiga This driver can also be built as a module. If so, the module 6611d6316f5SRaghavendra Ganiga will be called rtc-ds1343. 6621d6316f5SRaghavendra Ganiga 663617b26a0SRaghavendra Ganigaconfig RTC_DRV_DS1347 664617b26a0SRaghavendra Ganiga tristate "Dallas/Maxim DS1347" 665617b26a0SRaghavendra Ganiga help 666617b26a0SRaghavendra Ganiga If you say yes here you get support for the 667617b26a0SRaghavendra Ganiga Dallas/Maxim DS1347 chips. 668617b26a0SRaghavendra Ganiga 669617b26a0SRaghavendra Ganiga This driver only supports the RTC feature, and not other chip 670617b26a0SRaghavendra Ganiga features such as alarms. 671617b26a0SRaghavendra Ganiga 672617b26a0SRaghavendra Ganiga This driver can also be built as a module. If so, the module 673617b26a0SRaghavendra Ganiga will be called rtc-ds1347. 674617b26a0SRaghavendra Ganiga 67506de1808SMark Jacksonconfig RTC_DRV_DS1390 67606de1808SMark Jackson tristate "Dallas/Maxim DS1390/93/94" 67706de1808SMark Jackson help 6787b9b2ef1SAlessandro Zummo If you say yes here you get support for the 6797b9b2ef1SAlessandro Zummo Dallas/Maxim DS1390/93/94 chips. 68006de1808SMark Jackson 681fa395fb8SIvan Grimaldi This driver supports the RTC feature and trickle charging but not 682fa395fb8SIvan Grimaldi other chip features such as alarms. 68306de1808SMark Jackson 68406de1808SMark Jackson This driver can also be built as a module. If so, the module 68506de1808SMark Jackson will be called rtc-ds1390. 68606de1808SMark Jackson 68706776c89SVenkat Prashanth B Uconfig RTC_DRV_MAX6916 68806776c89SVenkat Prashanth B U tristate "Maxim MAX6916" 68906776c89SVenkat Prashanth B U help 69006776c89SVenkat Prashanth B U If you say yes here you will get support for the 69106776c89SVenkat Prashanth B U Maxim MAX6916 SPI RTC chip. 69206776c89SVenkat Prashanth B U 69306776c89SVenkat Prashanth B U This driver only supports the RTC feature, and not other chip 69406776c89SVenkat Prashanth B U features such as alarms. 69506776c89SVenkat Prashanth B U 69606776c89SVenkat Prashanth B U This driver can also be built as a module. If so, the module 69706776c89SVenkat Prashanth B U will be called rtc-max6916. 69806776c89SVenkat Prashanth B U 6992805b969SMagnus Dammconfig RTC_DRV_R9701 7002805b969SMagnus Damm tristate "Epson RTC-9701JE" 7012805b969SMagnus Damm help 7022805b969SMagnus Damm If you say yes here you will get support for the 7032805b969SMagnus Damm Epson RTC-9701JE SPI RTC chip. 7042805b969SMagnus Damm 7052805b969SMagnus Damm This driver can also be built as a module. If so, the module 7062805b969SMagnus Damm will be called rtc-r9701. 7072805b969SMagnus Damm 708d084885eSSoren Brinkmannconfig RTC_DRV_RX4581 709d084885eSSoren Brinkmann tristate "Epson RX-4581" 710d084885eSSoren Brinkmann help 711d084885eSSoren Brinkmann If you say yes here you will get support for the Epson RX-4581. 712d084885eSSoren Brinkmann 713d084885eSSoren Brinkmann This driver can also be built as a module. If so the module 714d084885eSSoren Brinkmann will be called rtc-rx4581. 715d084885eSSoren Brinkmann 716d084885eSSoren Brinkmannconfig RTC_DRV_RX6110 717d084885eSSoren Brinkmann tristate "Epson RX-6110" 718d084885eSSoren Brinkmann select REGMAP_SPI 719d084885eSSoren Brinkmann help 720d084885eSSoren Brinkmann If you say yes here you will get support for the Epson RX-6610. 721d084885eSSoren Brinkmann 722d084885eSSoren Brinkmann This driver can also be built as a module. If so the module 723d084885eSSoren Brinkmann will be called rtc-rx6110. 724d084885eSSoren Brinkmann 72509a21e56SAlessandro Zummoconfig RTC_DRV_RS5C348 72609a21e56SAlessandro Zummo tristate "Ricoh RS5C348A/B" 72709a21e56SAlessandro Zummo help 72809a21e56SAlessandro Zummo If you say yes here you get support for the 72909a21e56SAlessandro Zummo Ricoh RS5C348A and RS5C348B RTC chips. 73009a21e56SAlessandro Zummo 73109a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 73209a21e56SAlessandro Zummo will be called rtc-rs5c348. 73309a21e56SAlessandro Zummo 734d084885eSSoren Brinkmannconfig RTC_DRV_MAX6902 735d084885eSSoren Brinkmann tristate "Maxim MAX6902" 736d084885eSSoren Brinkmann help 737d084885eSSoren Brinkmann If you say yes here you will get support for the 738d084885eSSoren Brinkmann Maxim MAX6902 SPI RTC chip. 739d084885eSSoren Brinkmann 740d084885eSSoren Brinkmann This driver can also be built as a module. If so, the module 741d084885eSSoren Brinkmann will be called rtc-max6902. 742d084885eSSoren Brinkmann 7437f3923a1SChris Vergesconfig RTC_DRV_PCF2123 7447f3923a1SChris Verges tristate "NXP PCF2123" 7457f3923a1SChris Verges help 7467f3923a1SChris Verges If you say yes here you get support for the NXP PCF2123 7477f3923a1SChris Verges RTC chip. 7487f3923a1SChris Verges 7497f3923a1SChris Verges This driver can also be built as a module. If so, the module 7507f3923a1SChris Verges will be called rtc-pcf2123. 7517f3923a1SChris Verges 7521fcbe42cSJosef Gajdusekconfig RTC_DRV_MCP795 7531fcbe42cSJosef Gajdusek tristate "Microchip MCP795" 7541fcbe42cSJosef Gajdusek help 7551fcbe42cSJosef Gajdusek If you say yes here you will get support for the Microchip MCP795. 7561fcbe42cSJosef Gajdusek 7571fcbe42cSJosef Gajdusek This driver can also be built as a module. If so the module 7581fcbe42cSJosef Gajdusek will be called rtc-mcp795. 7591fcbe42cSJosef Gajdusek 760bb35fb20SJan Engelhardtendif # SPI_MASTER 761bb35fb20SJan Engelhardt 762080481f5SAkinobu Mita# 763080481f5SAkinobu Mita# Helper to resolve issues with configs that have SPI enabled but I2C 764080481f5SAkinobu Mita# modular. See SND_SOC_I2C_AND_SPI for more information 765080481f5SAkinobu Mita# 766080481f5SAkinobu Mitaconfig RTC_I2C_AND_SPI 767080481f5SAkinobu Mita tristate 768080481f5SAkinobu Mita default m if I2C=m 769080481f5SAkinobu Mita default y if I2C=y 770080481f5SAkinobu Mita default y if SPI_MASTER=y 771080481f5SAkinobu Mita select REGMAP_I2C if I2C 772080481f5SAkinobu Mita select REGMAP_SPI if SPI_MASTER 773080481f5SAkinobu Mita 774080481f5SAkinobu Mitacomment "SPI and I2C RTC drivers" 775080481f5SAkinobu Mita 776080481f5SAkinobu Mitaconfig RTC_DRV_DS3232 777080481f5SAkinobu Mita tristate "Dallas/Maxim DS3232/DS3234" 778080481f5SAkinobu Mita depends on RTC_I2C_AND_SPI 779080481f5SAkinobu Mita help 780080481f5SAkinobu Mita If you say yes here you get support for Dallas Semiconductor 781080481f5SAkinobu Mita DS3232 and DS3234 real-time clock chips. If an interrupt is associated 782080481f5SAkinobu Mita with the device, the alarm functionality is supported. 783080481f5SAkinobu Mita 784080481f5SAkinobu Mita This driver can also be built as a module. If so, the module 785080481f5SAkinobu Mita will be called rtc-ds3232. 786080481f5SAkinobu Mita 7879408ec1aSAkinobu Mitaconfig RTC_DRV_PCF2127 7889408ec1aSAkinobu Mita tristate "NXP PCF2127" 7899408ec1aSAkinobu Mita depends on RTC_I2C_AND_SPI 7909408ec1aSAkinobu Mita help 7919408ec1aSAkinobu Mita If you say yes here you get support for the NXP PCF2127/29 RTC 7929408ec1aSAkinobu Mita chips. 7939408ec1aSAkinobu Mita 7949408ec1aSAkinobu Mita This driver can also be built as a module. If so, the module 7959408ec1aSAkinobu Mita will be called rtc-pcf2127. 7969408ec1aSAkinobu Mita 797c2a1c145SMylène Josserandconfig RTC_DRV_RV3029C2 798c2a1c145SMylène Josserand tristate "Micro Crystal RV3029/3049" 799c2a1c145SMylène Josserand depends on RTC_I2C_AND_SPI 800c2a1c145SMylène Josserand help 801c2a1c145SMylène Josserand If you say yes here you get support for the Micro Crystal 802c2a1c145SMylène Josserand RV3029 and RV3049 RTC chips. 803c2a1c145SMylène Josserand 804c2a1c145SMylène Josserand This driver can also be built as a module. If so, the module 805c2a1c145SMylène Josserand will be called rtc-rv3029c2. 806c2a1c145SMylène Josserand 807c2a1c145SMylène Josserandconfig RTC_DRV_RV3029_HWMON 808c2a1c145SMylène Josserand bool "HWMON support for RV3029/3049" 809c2a1c145SMylène Josserand depends on RTC_DRV_RV3029C2 && HWMON 810c2a1c145SMylène Josserand depends on !(RTC_DRV_RV3029C2=y && HWMON=m) 811c2a1c145SMylène Josserand default y 812c2a1c145SMylène Josserand help 813c2a1c145SMylène Josserand Say Y here if you want to expose temperature sensor data on 814c2a1c145SMylène Josserand rtc-rv3029. 815c2a1c145SMylène Josserand 81609a21e56SAlessandro Zummocomment "Platform RTC drivers" 8170c86edc0SAlessandro Zummo 8187be2c7c9SDavid Brownell# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h> 8197be2c7c9SDavid Brownell# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a 8207be2c7c9SDavid Brownell# global rtc_lock ... it's not yet just another platform_device. 8217be2c7c9SDavid Brownell 8227be2c7c9SDavid Brownellconfig RTC_DRV_CMOS 82309a21e56SAlessandro Zummo tristate "PC-style 'CMOS'" 8245ee98ab3SArnd Bergmann depends on X86 || ARM || M32R || PPC || MIPS || SPARC64 || MN10300 825c7500900SDavid Brownell default y if X86 826d6faca40SArnd Bergmann select RTC_MC146818_LIB 8277be2c7c9SDavid Brownell help 8287be2c7c9SDavid Brownell Say "yes" here to get direct support for the real time clock 8297be2c7c9SDavid Brownell found in every PC or ACPI-based system, and some other boards. 8307be2c7c9SDavid Brownell Specifically the original MC146818, compatibles like those in 8317be2c7c9SDavid Brownell PC south bridges, the DS12887 or M48T86, some multifunction 8327be2c7c9SDavid Brownell or LPC bus chips, and so on. 8337be2c7c9SDavid Brownell 8347be2c7c9SDavid Brownell Your system will need to define the platform device used by 8357be2c7c9SDavid Brownell this driver, otherwise it won't be accessible. This means 8367be2c7c9SDavid Brownell you can safely enable this driver if you don't know whether 8377be2c7c9SDavid Brownell or not your board has this kind of hardware. 8387be2c7c9SDavid Brownell 8397be2c7c9SDavid Brownell This driver can also be built as a module. If so, the module 8407be2c7c9SDavid Brownell will be called rtc-cmos. 8417be2c7c9SDavid Brownell 84285d0b3a5SRichard Hendersonconfig RTC_DRV_ALPHA 84385d0b3a5SRichard Henderson bool "Alpha PC-style CMOS" 84485d0b3a5SRichard Henderson depends on ALPHA 845d6faca40SArnd Bergmann select RTC_MC146818_LIB 84685d0b3a5SRichard Henderson default y 84785d0b3a5SRichard Henderson help 84885d0b3a5SRichard Henderson Direct support for the real-time clock found on every Alpha 84985d0b3a5SRichard Henderson system, specifically MC146818 compatibles. If in doubt, say Y. 85085d0b3a5SRichard Henderson 8510146f261SFeng Tangconfig RTC_DRV_VRTC 852933b9463SAlan Cox tristate "Virtual RTC for Intel MID platforms" 853933b9463SAlan Cox depends on X86_INTEL_MID 854933b9463SAlan Cox default y if X86_INTEL_MID 8550146f261SFeng Tang 8560146f261SFeng Tang help 8570146f261SFeng Tang Say "yes" here to get direct support for the real time clock 8580146f261SFeng Tang found on Moorestown platforms. The VRTC is a emulated RTC that 8590146f261SFeng Tang derives its clock source from a real RTC in the PMIC. The MC146818 8600146f261SFeng Tang style programming interface is mostly conserved, but any 8610146f261SFeng Tang updates are done via IPC calls to the system controller FW. 8620146f261SFeng Tang 863537739deSThomas Bogendoerferconfig RTC_DRV_DS1216 864537739deSThomas Bogendoerfer tristate "Dallas DS1216" 865bb35fb20SJan Engelhardt depends on SNI_RM 866537739deSThomas Bogendoerfer help 867537739deSThomas Bogendoerfer If you say yes here you get support for the Dallas DS1216 RTC chips. 868537739deSThomas Bogendoerfer 8695f119f29SThomas Bogendoerferconfig RTC_DRV_DS1286 8705f119f29SThomas Bogendoerfer tristate "Dallas DS1286" 871706b632dSChen Gang depends on HAS_IOMEM 8725f119f29SThomas Bogendoerfer help 8735f119f29SThomas Bogendoerfer If you say yes here you get support for the Dallas DS1286 RTC chips. 8745f119f29SThomas Bogendoerfer 8758f26795aSAndrew Sharpconfig RTC_DRV_DS1511 8768f26795aSAndrew Sharp tristate "Dallas DS1511" 877706b632dSChen Gang depends on HAS_IOMEM 8788f26795aSAndrew Sharp help 8798f26795aSAndrew Sharp If you say yes here you get support for the 8808f26795aSAndrew Sharp Dallas DS1511 timekeeping/watchdog chip. 8818f26795aSAndrew Sharp 8828f26795aSAndrew Sharp This driver can also be built as a module. If so, the module 8838f26795aSAndrew Sharp will be called rtc-ds1511. 8848f26795aSAndrew Sharp 8859bf5b4f5SAtsushi Nemotoconfig RTC_DRV_DS1553 88609b6bdb3SAlessandro Zummo tristate "Maxim/Dallas DS1553" 887706b632dSChen Gang depends on HAS_IOMEM 8889bf5b4f5SAtsushi Nemoto help 8899bf5b4f5SAtsushi Nemoto If you say yes here you get support for the 89009b6bdb3SAlessandro Zummo Maxim/Dallas DS1553 timekeeping chip. 8919bf5b4f5SAtsushi Nemoto 8929bf5b4f5SAtsushi Nemoto This driver can also be built as a module. If so, the module 8939bf5b4f5SAtsushi Nemoto will be called rtc-ds1553. 8949bf5b4f5SAtsushi Nemoto 895aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS1685_FAMILY 896aaaf5fbfSJoshua Kinard tristate "Dallas/Maxim DS1685 Family" 897aaaf5fbfSJoshua Kinard help 898aaaf5fbfSJoshua Kinard If you say yes here you get support for the Dallas/Maxim DS1685 899aaaf5fbfSJoshua Kinard family of real time chips. This family includes the DS1685/DS1687, 900aaaf5fbfSJoshua Kinard DS1689/DS1693, DS17285/DS17287, DS17485/DS17487, and 901aaaf5fbfSJoshua Kinard DS17885/DS17887 chips. 902aaaf5fbfSJoshua Kinard 903aaaf5fbfSJoshua Kinard This driver can also be built as a module. If so, the module 904aaaf5fbfSJoshua Kinard will be called rtc-ds1685. 905aaaf5fbfSJoshua Kinard 906aaaf5fbfSJoshua Kinardchoice 907aaaf5fbfSJoshua Kinard prompt "Subtype" 908aaaf5fbfSJoshua Kinard depends on RTC_DRV_DS1685_FAMILY 909aaaf5fbfSJoshua Kinard default RTC_DRV_DS1685 910aaaf5fbfSJoshua Kinard 911aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS1685 912aaaf5fbfSJoshua Kinard bool "DS1685/DS1687" 913aaaf5fbfSJoshua Kinard help 914aaaf5fbfSJoshua Kinard This enables support for the Dallas/Maxim DS1685/DS1687 real time 915aaaf5fbfSJoshua Kinard clock chip. 916aaaf5fbfSJoshua Kinard 917aaaf5fbfSJoshua Kinard This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30) 918aaaf5fbfSJoshua Kinard systems, as well as EPPC-405-UC modules by electronic system design 919aaaf5fbfSJoshua Kinard GmbH. 920aaaf5fbfSJoshua Kinard 921aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS1689 922aaaf5fbfSJoshua Kinard bool "DS1689/DS1693" 923aaaf5fbfSJoshua Kinard help 924aaaf5fbfSJoshua Kinard This enables support for the Dallas/Maxim DS1689/DS1693 real time 925aaaf5fbfSJoshua Kinard clock chip. 926aaaf5fbfSJoshua Kinard 927aaaf5fbfSJoshua Kinard This is an older RTC chip, supplanted by the DS1685/DS1687 above, 928aaaf5fbfSJoshua Kinard which supports a few minor features such as Vcc, Vbat, and Power 929aaaf5fbfSJoshua Kinard Cycle counters, plus a customer-specific, 8-byte ROM/Serial number. 930aaaf5fbfSJoshua Kinard 931aaaf5fbfSJoshua Kinard It also works for the even older DS1688/DS1691 RTC chips, which are 932aaaf5fbfSJoshua Kinard virtually the same and carry the same model number. Both chips 933aaaf5fbfSJoshua Kinard have 114 bytes of user NVRAM. 934aaaf5fbfSJoshua Kinard 935aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS17285 936aaaf5fbfSJoshua Kinard bool "DS17285/DS17287" 937aaaf5fbfSJoshua Kinard help 938aaaf5fbfSJoshua Kinard This enables support for the Dallas/Maxim DS17285/DS17287 real time 939aaaf5fbfSJoshua Kinard clock chip. 940aaaf5fbfSJoshua Kinard 941aaaf5fbfSJoshua Kinard This chip features 2kb of extended NV-SRAM. It may possibly be 942aaaf5fbfSJoshua Kinard found in some SGI O2 systems (rare). 943aaaf5fbfSJoshua Kinard 944aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS17485 945aaaf5fbfSJoshua Kinard bool "DS17485/DS17487" 946aaaf5fbfSJoshua Kinard help 947aaaf5fbfSJoshua Kinard This enables support for the Dallas/Maxim DS17485/DS17487 real time 948aaaf5fbfSJoshua Kinard clock chip. 949aaaf5fbfSJoshua Kinard 950aaaf5fbfSJoshua Kinard This chip features 4kb of extended NV-SRAM. 951aaaf5fbfSJoshua Kinard 952aaaf5fbfSJoshua Kinardconfig RTC_DRV_DS17885 953aaaf5fbfSJoshua Kinard bool "DS17885/DS17887" 954aaaf5fbfSJoshua Kinard help 955aaaf5fbfSJoshua Kinard This enables support for the Dallas/Maxim DS17885/DS17887 real time 956aaaf5fbfSJoshua Kinard clock chip. 957aaaf5fbfSJoshua Kinard 958aaaf5fbfSJoshua Kinard This chip features 8kb of extended NV-SRAM. 959aaaf5fbfSJoshua Kinard 960aaaf5fbfSJoshua Kinardendchoice 961aaaf5fbfSJoshua Kinard 962aaaf5fbfSJoshua Kinardconfig RTC_DS1685_PROC_REGS 963aaaf5fbfSJoshua Kinard bool "Display register values in /proc" 964aaaf5fbfSJoshua Kinard depends on RTC_DRV_DS1685_FAMILY && PROC_FS 965aaaf5fbfSJoshua Kinard help 966aaaf5fbfSJoshua Kinard Enable this to display a readout of all of the RTC registers in 967aaaf5fbfSJoshua Kinard /proc/drivers/rtc. Keep in mind that this can potentially lead 968aaaf5fbfSJoshua Kinard to lost interrupts, as reading Control Register C will clear 969aaaf5fbfSJoshua Kinard all pending IRQ flags. 970aaaf5fbfSJoshua Kinard 971aaaf5fbfSJoshua Kinard Unless you are debugging this driver, choose N. 972aaaf5fbfSJoshua Kinard 973aaaf5fbfSJoshua Kinardconfig RTC_DS1685_SYSFS_REGS 974aaaf5fbfSJoshua Kinard bool "SysFS access to RTC register bits" 975aaaf5fbfSJoshua Kinard depends on RTC_DRV_DS1685_FAMILY && SYSFS 976aaaf5fbfSJoshua Kinard help 977aaaf5fbfSJoshua Kinard Enable this to provide access to the RTC control register bits 978aaaf5fbfSJoshua Kinard in /sys. Some of the bits are read-write, others are read-only. 979aaaf5fbfSJoshua Kinard 980aaaf5fbfSJoshua Kinard Keep in mind that reading Control C's bits automatically clears 981aaaf5fbfSJoshua Kinard all pending IRQ flags - this can cause lost interrupts. 982aaaf5fbfSJoshua Kinard 983aaaf5fbfSJoshua Kinard If you know that you need access to these bits, choose Y, Else N. 984aaaf5fbfSJoshua Kinard 98509b6bdb3SAlessandro Zummoconfig RTC_DRV_DS1742 98609b6bdb3SAlessandro Zummo tristate "Maxim/Dallas DS1742/1743" 987706b632dSChen Gang depends on HAS_IOMEM 98809b6bdb3SAlessandro Zummo help 98909b6bdb3SAlessandro Zummo If you say yes here you get support for the 99009b6bdb3SAlessandro Zummo Maxim/Dallas DS1742/1743 timekeeping chip. 99109b6bdb3SAlessandro Zummo 99209b6bdb3SAlessandro Zummo This driver can also be built as a module. If so, the module 99309b6bdb3SAlessandro Zummo will be called rtc-ds1742. 99409b6bdb3SAlessandro Zummo 995ad0200f7SJean Delvareconfig RTC_DRV_DS2404 996ad0200f7SJean Delvare tristate "Maxim/Dallas DS2404" 997ad0200f7SJean Delvare help 998ad0200f7SJean Delvare If you say yes here you get support for the 999ad0200f7SJean Delvare Dallas DS2404 RTC chip. 1000ad0200f7SJean Delvare 1001ad0200f7SJean Delvare This driver can also be built as a module. If so, the module 1002ad0200f7SJean Delvare will be called rtc-ds2404. 1003ad0200f7SJean Delvare 1004fef931ffSAshish Jangamconfig RTC_DRV_DA9052 1005fef931ffSAshish Jangam tristate "Dialog DA9052/DA9053 RTC" 1006fef931ffSAshish Jangam depends on PMIC_DA9052 1007fef931ffSAshish Jangam help 1008fef931ffSAshish Jangam Say y here to support the RTC driver for Dialog Semiconductor 1009fef931ffSAshish Jangam DA9052-BC and DA9053-AA/Bx PMICs. 1010fef931ffSAshish Jangam 10116920d996SAshish Jangamconfig RTC_DRV_DA9055 10126920d996SAshish Jangam tristate "Dialog Semiconductor DA9055 RTC" 10136920d996SAshish Jangam depends on MFD_DA9055 10146920d996SAshish Jangam help 10156920d996SAshish Jangam If you say yes here you will get support for the 10166920d996SAshish Jangam RTC of the Dialog DA9055 PMIC. 10176920d996SAshish Jangam 10186920d996SAshish Jangam This driver can also be built as a module. If so, the module 10196920d996SAshish Jangam will be called rtc-da9055 10206920d996SAshish Jangam 1021c2a57550SOpensource [Steve Twiss]config RTC_DRV_DA9063 102280ca3277SS Twiss tristate "Dialog Semiconductor DA9063/DA9062 RTC" 102380ca3277SS Twiss depends on MFD_DA9063 || MFD_DA9062 1024c2a57550SOpensource [Steve Twiss] help 1025c2a57550SOpensource [Steve Twiss] If you say yes here you will get support for the RTC subsystem 102680ca3277SS Twiss for the Dialog Semiconductor PMIC chips DA9063 and DA9062. 1027c2a57550SOpensource [Steve Twiss] 1028c2a57550SOpensource [Steve Twiss] This driver can also be built as a module. If so, the module 1029c2a57550SOpensource [Steve Twiss] will be called "rtc-da9063". 1030c2a57550SOpensource [Steve Twiss] 10315e3fd9e5Sdann frazierconfig RTC_DRV_EFI 10325e3fd9e5Sdann frazier tristate "EFI RTC" 10337efe6659SMatt Fleming depends on EFI && !X86 10345e3fd9e5Sdann frazier help 10355e3fd9e5Sdann frazier If you say yes here you will get support for the EFI 10365e3fd9e5Sdann frazier Real Time Clock. 10375e3fd9e5Sdann frazier 10385e3fd9e5Sdann frazier This driver can also be built as a module. If so, the module 10395e3fd9e5Sdann frazier will be called rtc-efi. 10405e3fd9e5Sdann frazier 104102964115SThomas Hommelconfig RTC_DRV_STK17TA8 104202964115SThomas Hommel tristate "Simtek STK17TA8" 1043706b632dSChen Gang depends on HAS_IOMEM 104402964115SThomas Hommel help 104502964115SThomas Hommel If you say yes here you get support for the 104602964115SThomas Hommel Simtek STK17TA8 timekeeping chip. 104702964115SThomas Hommel 104802964115SThomas Hommel This driver can also be built as a module. If so, the module 104902964115SThomas Hommel will be called rtc-stk17ta8. 105002964115SThomas Hommel 105109a21e56SAlessandro Zummoconfig RTC_DRV_M48T86 105209a21e56SAlessandro Zummo tristate "ST M48T86/Dallas DS12887" 105309a21e56SAlessandro Zummo help 105409a21e56SAlessandro Zummo If you say Y here you will get support for the 105509a21e56SAlessandro Zummo ST M48T86 and Dallas DS12887 RTC chips. 105609a21e56SAlessandro Zummo 105709a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 105809a21e56SAlessandro Zummo will be called rtc-m48t86. 105909a21e56SAlessandro Zummo 1060d1dbd82eSThomas Bogendoerferconfig RTC_DRV_M48T35 1061d1dbd82eSThomas Bogendoerfer tristate "ST M48T35" 1062706b632dSChen Gang depends on HAS_IOMEM 1063d1dbd82eSThomas Bogendoerfer help 1064d1dbd82eSThomas Bogendoerfer If you say Y here you will get support for the 1065d1dbd82eSThomas Bogendoerfer ST M48T35 RTC chip. 1066d1dbd82eSThomas Bogendoerfer 1067d1dbd82eSThomas Bogendoerfer This driver can also be built as a module, if so, the module 1068d1dbd82eSThomas Bogendoerfer will be called "rtc-m48t35". 1069d1dbd82eSThomas Bogendoerfer 10702e774c7cSMark Zhanconfig RTC_DRV_M48T59 107194fe7424SKrzysztof Helt tristate "ST M48T59/M48T08/M48T02" 1072706b632dSChen Gang depends on HAS_IOMEM 10732e774c7cSMark Zhan help 10742e774c7cSMark Zhan If you say Y here you will get support for the 107594fe7424SKrzysztof Helt ST M48T59 RTC chip and compatible ST M48T08 and M48T02. 107694fe7424SKrzysztof Helt 107794fe7424SKrzysztof Helt These chips are usually found in Sun SPARC and UltraSPARC 107894fe7424SKrzysztof Helt workstations. 10792e774c7cSMark Zhan 10802e774c7cSMark Zhan This driver can also be built as a module, if so, the module 10812e774c7cSMark Zhan will be called "rtc-m48t59". 10822e774c7cSMark Zhan 10834f9b9bbaSGeert Uytterhoevenconfig RTC_DRV_MSM6242 10844f9b9bbaSGeert Uytterhoeven tristate "Oki MSM6242" 1085706b632dSChen Gang depends on HAS_IOMEM 10864f9b9bbaSGeert Uytterhoeven help 10874f9b9bbaSGeert Uytterhoeven If you say yes here you get support for the Oki MSM6242 10884f9b9bbaSGeert Uytterhoeven timekeeping chip. It is used in some Amiga models (e.g. A2000). 10894f9b9bbaSGeert Uytterhoeven 10904f9b9bbaSGeert Uytterhoeven This driver can also be built as a module. If so, the module 10914f9b9bbaSGeert Uytterhoeven will be called rtc-msm6242. 10924f9b9bbaSGeert Uytterhoeven 1093cca4c231SDavid S. Millerconfig RTC_DRV_BQ4802 1094cca4c231SDavid S. Miller tristate "TI BQ4802" 1095706b632dSChen Gang depends on HAS_IOMEM 1096cca4c231SDavid S. Miller help 1097cca4c231SDavid S. Miller If you say Y here you will get support for the TI 1098cca4c231SDavid S. Miller BQ4802 RTC chip. 1099cca4c231SDavid S. Miller 1100cca4c231SDavid S. Miller This driver can also be built as a module. If so, the module 1101cca4c231SDavid S. Miller will be called rtc-bq4802. 1102cca4c231SDavid S. Miller 11034f672ce2SGeert Uytterhoevenconfig RTC_DRV_RP5C01 11044f672ce2SGeert Uytterhoeven tristate "Ricoh RP5C01" 1105706b632dSChen Gang depends on HAS_IOMEM 11064f672ce2SGeert Uytterhoeven help 11074f672ce2SGeert Uytterhoeven If you say yes here you get support for the Ricoh RP5C01 11084f672ce2SGeert Uytterhoeven timekeeping chip. It is used in some Amiga models (e.g. A3000 11094f672ce2SGeert Uytterhoeven and A4000). 11104f672ce2SGeert Uytterhoeven 11114f672ce2SGeert Uytterhoeven This driver can also be built as a module. If so, the module 11124f672ce2SGeert Uytterhoeven will be called rtc-rp5c01. 11134f672ce2SGeert Uytterhoeven 111409a21e56SAlessandro Zummoconfig RTC_DRV_V3020 111509a21e56SAlessandro Zummo tristate "EM Microelectronic V3020" 111609a21e56SAlessandro Zummo help 111709a21e56SAlessandro Zummo If you say yes here you will get support for the 111809a21e56SAlessandro Zummo EM Microelectronic v3020 RTC chip. 111909a21e56SAlessandro Zummo 112009a21e56SAlessandro Zummo This driver can also be built as a module. If so, the module 112109a21e56SAlessandro Zummo will be called rtc-v3020. 112209a21e56SAlessandro Zummo 112335c86bf6SMark Brownconfig RTC_DRV_WM831X 112435c86bf6SMark Brown tristate "Wolfson Microelectronics WM831x RTC" 112535c86bf6SMark Brown depends on MFD_WM831X 112635c86bf6SMark Brown help 112735c86bf6SMark Brown If you say yes here you will get support for the RTC subsystem 112835c86bf6SMark Brown of the Wolfson Microelectronics WM831X series PMICs. 112935c86bf6SMark Brown 113035c86bf6SMark Brown This driver can also be built as a module. If so, the module 113135c86bf6SMark Brown will be called "rtc-wm831x". 113235c86bf6SMark Brown 1133077eaf5bSMark Brownconfig RTC_DRV_WM8350 1134077eaf5bSMark Brown tristate "Wolfson Microelectronics WM8350 RTC" 1135077eaf5bSMark Brown depends on MFD_WM8350 1136077eaf5bSMark Brown help 1137077eaf5bSMark Brown If you say yes here you will get support for the RTC subsystem 1138077eaf5bSMark Brown of the Wolfson Microelectronics WM8350. 1139077eaf5bSMark Brown 1140077eaf5bSMark Brown This driver can also be built as a module. If so, the module 1141077eaf5bSMark Brown will be called "rtc-wm8350". 1142077eaf5bSMark Brown 11430942a71eSRajeev Kumarconfig RTC_DRV_SPEAR 11440942a71eSRajeev Kumar tristate "SPEAR ST RTC" 11457a587eaeSAlexandre Belloni depends on PLAT_SPEAR || COMPILE_TEST 11460942a71eSRajeev Kumar default y 11470942a71eSRajeev Kumar help 11480942a71eSRajeev Kumar If you say Y here you will get support for the RTC found on 11490942a71eSRajeev Kumar spear 11500942a71eSRajeev Kumar 1151eae854b2SBalaji Raoconfig RTC_DRV_PCF50633 1152eae854b2SBalaji Rao depends on MFD_PCF50633 1153eae854b2SBalaji Rao tristate "NXP PCF50633 RTC" 1154eae854b2SBalaji Rao help 1155eae854b2SBalaji Rao If you say yes here you get support for the RTC subsystem of the 1156eae854b2SBalaji Rao NXP PCF50633 used in embedded systems. 1157eae854b2SBalaji Rao 1158bd207cfbSLinus Walleijconfig RTC_DRV_AB3100 1159bd207cfbSLinus Walleij tristate "ST-Ericsson AB3100 RTC" 1160bd207cfbSLinus Walleij depends on AB3100_CORE 1161bd207cfbSLinus Walleij default y if AB3100_CORE 1162bd207cfbSLinus Walleij help 1163bd207cfbSLinus Walleij Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC 1164bd207cfbSLinus Walleij support. This chip contains a battery- and capacitor-backed RTC. 1165bd207cfbSLinus Walleij 11660af62f4dSVirupax Sadashivpetimathconfig RTC_DRV_AB8500 11670af62f4dSVirupax Sadashivpetimath tristate "ST-Ericsson AB8500 RTC" 11680af62f4dSVirupax Sadashivpetimath depends on AB8500_CORE 1169651fb480SUlf Hansson select RTC_INTF_DEV 1170dc43d4a2SRamesh Chandrasekaran select RTC_INTF_DEV_UIE_EMUL 11710af62f4dSVirupax Sadashivpetimath help 11720af62f4dSVirupax Sadashivpetimath Select this to enable the ST-Ericsson AB8500 power management IC RTC 11730af62f4dSVirupax Sadashivpetimath support. This chip contains a battery- and capacitor-backed RTC. 11740af62f4dSVirupax Sadashivpetimath 1175afd49a7eSWan ZongShunconfig RTC_DRV_NUC900 1176afd49a7eSWan ZongShun tristate "NUC910/NUC920 RTC driver" 11777a587eaeSAlexandre Belloni depends on ARCH_W90X900 || COMPILE_TEST 1178afd49a7eSWan ZongShun help 1179afd49a7eSWan ZongShun If you say yes here you get support for the RTC subsystem of the 1180afd49a7eSWan ZongShun NUC910/NUC920 used in embedded systems. 1181bd207cfbSLinus Walleij 118216b1d26eSNeelesh Guptaconfig RTC_DRV_OPAL 118316b1d26eSNeelesh Gupta tristate "IBM OPAL RTC driver" 118416b1d26eSNeelesh Gupta depends on PPC_POWERNV 118516b1d26eSNeelesh Gupta default y 118616b1d26eSNeelesh Gupta help 118716b1d26eSNeelesh Gupta If you say yes here you get support for the PowerNV platform RTC 118816b1d26eSNeelesh Gupta driver based on OPAL interfaces. 118916b1d26eSNeelesh Gupta 119016b1d26eSNeelesh Gupta This driver can also be built as a module. If so, the module 119116b1d26eSNeelesh Gupta will be called rtc-opal. 119216b1d26eSNeelesh Gupta 119311143c19SSuneel Garapaticonfig RTC_DRV_ZYNQMP 119411143c19SSuneel Garapati tristate "Xilinx Zynq Ultrascale+ MPSoC RTC" 119511143c19SSuneel Garapati depends on OF 119611143c19SSuneel Garapati help 119711143c19SSuneel Garapati If you say yes here you get support for the RTC controller found on 119811143c19SSuneel Garapati Xilinx Zynq Ultrascale+ MPSoC. 119911143c19SSuneel Garapati 120009a21e56SAlessandro Zummocomment "on-CPU RTC drivers" 120109a21e56SAlessandro Zummo 1202125e550fSOleksij Rempelconfig RTC_DRV_ASM9260 1203125e550fSOleksij Rempel tristate "Alphascale asm9260 RTC" 1204125e550fSOleksij Rempel depends on MACH_ASM9260 1205125e550fSOleksij Rempel help 1206125e550fSOleksij Rempel If you say yes here you get support for the RTC on the 1207125e550fSOleksij Rempel Alphascale asm9260 SoC. 1208125e550fSOleksij Rempel 1209125e550fSOleksij Rempel This driver can also be built as a module. If so, the module 1210125e550fSOleksij Rempel will be called rtc-asm9260. 1211125e550fSOleksij Rempel 12128ecf6c54SMiguel Aguilarconfig RTC_DRV_DAVINCI 12138ecf6c54SMiguel Aguilar tristate "TI DaVinci RTC" 12147a587eaeSAlexandre Belloni depends on ARCH_DAVINCI_DM365 || COMPILE_TEST 12158ecf6c54SMiguel Aguilar help 12168ecf6c54SMiguel Aguilar If you say yes here you get support for the RTC on the 12178ecf6c54SMiguel Aguilar DaVinci platforms (DM365). 12188ecf6c54SMiguel Aguilar 12198ecf6c54SMiguel Aguilar This driver can also be built as a module. If so, the module 12208ecf6c54SMiguel Aguilar will be called rtc-davinci. 12218ecf6c54SMiguel Aguilar 1222ba172208SBaruch Siachconfig RTC_DRV_DIGICOLOR 1223ba172208SBaruch Siach tristate "Conexant Digicolor RTC" 12247a587eaeSAlexandre Belloni depends on ARCH_DIGICOLOR || COMPILE_TEST 1225ba172208SBaruch Siach help 1226ba172208SBaruch Siach If you say yes here you get support for the RTC on Conexant 1227ba172208SBaruch Siach Digicolor platforms. This currently includes the CX92755 SoC. 1228ba172208SBaruch Siach 1229ba172208SBaruch Siach This driver can also be built as a module. If so, the module 1230ba172208SBaruch Siach will be called rtc-digicolor. 1231ba172208SBaruch Siach 1232b224b9acSFabio Estevamconfig RTC_DRV_IMXDI 1233b224b9acSFabio Estevam tristate "Freescale IMX DryIce Real Time Clock" 1234ef216ad0SRoland Stigge depends on ARCH_MXC 1235b224b9acSFabio Estevam help 1236b224b9acSFabio Estevam Support for Freescale IMX DryIce RTC 1237b224b9acSFabio Estevam 1238b224b9acSFabio Estevam This driver can also be built as a module, if so, the module 1239b224b9acSFabio Estevam will be called "rtc-imxdi". 1240b224b9acSFabio Estevam 1241db68b189SDavid Brownellconfig RTC_DRV_OMAP 12428608976eSLokesh Vutla tristate "TI OMAP Real Time Clock" 12437a587eaeSAlexandre Belloni depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST 1244db68b189SDavid Brownell help 1245427af9a6SAfzal Mohammed Say "yes" here to support the on chip real time clock 12468608976eSLokesh Vutla present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx. 1247427af9a6SAfzal Mohammed 1248427af9a6SAfzal Mohammed This driver can also be built as a module, if so, module 1249427af9a6SAfzal Mohammed will be called rtc-omap. 1250db68b189SDavid Brownell 125116f4efe7SAtul Dahiyaconfig HAVE_S3C_RTC 125216f4efe7SAtul Dahiya bool 125316f4efe7SAtul Dahiya help 125416f4efe7SAtul Dahiya This will include RTC support for Samsung SoCs. If 125516f4efe7SAtul Dahiya you want to include RTC support for any machine, kindly 125616f4efe7SAtul Dahiya select this in the respective mach-XXXX/Kconfig file. 125716f4efe7SAtul Dahiya 12581add6781SBen Dooksconfig RTC_DRV_S3C 12591add6781SBen Dooks tristate "Samsung S3C series SoC RTC" 12607a587eaeSAlexandre Belloni depends on ARCH_S3C64XX || HAVE_S3C_RTC || COMPILE_TEST 12611add6781SBen Dooks help 12621add6781SBen Dooks RTC (Realtime Clock) driver for the clock inbuilt into the 12631add6781SBen Dooks Samsung S3C24XX series of SoCs. This can provide periodic 12641add6781SBen Dooks interrupt rates from 1Hz to 64Hz for user programs, and 12651add6781SBen Dooks wakeup from Alarm. 12661add6781SBen Dooks 12671add6781SBen Dooks The driver currently supports the common features on all the 12681add6781SBen Dooks S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440 12691add6781SBen Dooks and S3C2442. 12701add6781SBen Dooks 12711add6781SBen Dooks This driver can also be build as a module. If so, the module 12721add6781SBen Dooks will be called rtc-s3c. 12731add6781SBen Dooks 1274fd507e2fSAlessandro Zummoconfig RTC_DRV_EP93XX 1275fd507e2fSAlessandro Zummo tristate "Cirrus Logic EP93XX" 12767a587eaeSAlexandre Belloni depends on ARCH_EP93XX || COMPILE_TEST 1277fd507e2fSAlessandro Zummo help 1278fd507e2fSAlessandro Zummo If you say yes here you get support for the 1279fd507e2fSAlessandro Zummo RTC embedded in the Cirrus Logic EP93XX processors. 1280fd507e2fSAlessandro Zummo 1281fd507e2fSAlessandro Zummo This driver can also be built as a module. If so, the module 1282fd507e2fSAlessandro Zummo will be called rtc-ep93xx. 1283fd507e2fSAlessandro Zummo 1284e842f1c8SRichard Purdieconfig RTC_DRV_SA1100 12853888c090SHaojian Zhuang tristate "SA11x0/PXA2xx/PXA910" 12863888c090SHaojian Zhuang depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP 1287e842f1c8SRichard Purdie help 1288e842f1c8SRichard Purdie If you say Y here you will get access to the real time clock 1289e842f1c8SRichard Purdie built into your SA11x0 or PXA2xx CPU. 1290e842f1c8SRichard Purdie 1291e842f1c8SRichard Purdie To compile this driver as a module, choose M here: the 1292e842f1c8SRichard Purdie module will be called rtc-sa1100. 1293fd507e2fSAlessandro Zummo 1294317a6104SPaul Mundtconfig RTC_DRV_SH 1295317a6104SPaul Mundt tristate "SuperH On-Chip RTC" 12966b8029faSVenu Byravarasu depends on SUPERH && HAVE_CLK 1297317a6104SPaul Mundt help 1298317a6104SPaul Mundt Say Y here to enable support for the on-chip RTC found in 1299317a6104SPaul Mundt most SuperH processors. 1300317a6104SPaul Mundt 1301317a6104SPaul Mundt To compile this driver as a module, choose M here: the 1302317a6104SPaul Mundt module will be called rtc-sh. 1303317a6104SPaul Mundt 13048417eb7aSYoichi Yuasaconfig RTC_DRV_VR41XX 13053e16f6afSAlessandro Zummo tristate "NEC VR41XX" 13067a587eaeSAlexandre Belloni depends on CPU_VR41XX || COMPILE_TEST 13073e16f6afSAlessandro Zummo help 13083e16f6afSAlessandro Zummo If you say Y here you will get access to the real time clock 13093e16f6afSAlessandro Zummo built into your NEC VR41XX CPU. 13103e16f6afSAlessandro Zummo 13113e16f6afSAlessandro Zummo To compile this driver as a module, choose M here: the 13123e16f6afSAlessandro Zummo module will be called rtc-vr41xx. 13138417eb7aSYoichi Yuasa 1314a190901cSRussell Kingconfig RTC_DRV_PL030 1315a190901cSRussell King tristate "ARM AMBA PL030 RTC" 1316a190901cSRussell King depends on ARM_AMBA 1317a190901cSRussell King help 1318a190901cSRussell King If you say Y here you will get access to ARM AMBA 1319a190901cSRussell King PrimeCell PL030 RTC found on certain ARM SOCs. 1320a190901cSRussell King 1321a190901cSRussell King To compile this driver as a module, choose M here: the 1322a190901cSRussell King module will be called rtc-pl030. 1323a190901cSRussell King 13248ae6e163SDeepak Saxenaconfig RTC_DRV_PL031 13258ae6e163SDeepak Saxena tristate "ARM AMBA PL031 RTC" 1326bb35fb20SJan Engelhardt depends on ARM_AMBA 13278ae6e163SDeepak Saxena help 13288ae6e163SDeepak Saxena If you say Y here you will get access to ARM AMBA 132909a21e56SAlessandro Zummo PrimeCell PL031 RTC found on certain ARM SOCs. 13308ae6e163SDeepak Saxena 13318ae6e163SDeepak Saxena To compile this driver as a module, choose M here: the 13328ae6e163SDeepak Saxena module will be called rtc-pl031. 13338ae6e163SDeepak Saxena 1334fa04e78bSHans-Christian Egtvedtconfig RTC_DRV_AT32AP700X 1335fa04e78bSHans-Christian Egtvedt tristate "AT32AP700X series RTC" 13367a587eaeSAlexandre Belloni depends on PLATFORM_AT32AP || COMPILE_TEST 1337fa04e78bSHans-Christian Egtvedt help 1338fa04e78bSHans-Christian Egtvedt Driver for the internal RTC (Realtime Clock) on Atmel AVR32 1339fa04e78bSHans-Christian Egtvedt AT32AP700x family processors. 1340fa04e78bSHans-Christian Egtvedt 13417fc39f6dSAndrew Victorconfig RTC_DRV_AT91RM9200 134224cecc1bSNicolas Ferre tristate "AT91RM9200 or some AT91SAM9 RTC" 13437a587eaeSAlexandre Belloni depends on ARCH_AT91 || COMPILE_TEST 1344788b1fc6SAndrew Victor help 13454cdf854fSDavid Brownell Driver for the internal RTC (Realtime Clock) module found on 134624cecc1bSNicolas Ferre Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips 13474cdf854fSDavid Brownell this is powered by the backup power supply. 13484cdf854fSDavid Brownell 13494cdf854fSDavid Brownellconfig RTC_DRV_AT91SAM9 13503969eb48SBoris BREZILLON tristate "AT91SAM9 RTT as RTC" 13517a587eaeSAlexandre Belloni depends on ARCH_AT91 || COMPILE_TEST 135243e112bbSBoris BREZILLON select MFD_SYSCON 13534cdf854fSDavid Brownell help 13543969eb48SBoris BREZILLON Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which 13553969eb48SBoris BREZILLON can be used as an RTC thanks to the backup power supply (e.g. a 13563969eb48SBoris BREZILLON small coin cell battery) which keeps this block and the GPBR 13573969eb48SBoris BREZILLON (General Purpose Backup Registers) block powered when the device 13583969eb48SBoris BREZILLON is shutdown. 13593969eb48SBoris BREZILLON Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd 13603969eb48SBoris BREZILLON probably want to use the real RTC block instead of the "RTT as an 13613969eb48SBoris BREZILLON RTC" driver. 13624cdf854fSDavid Brownell 136345fd8a0cSManuel Laussconfig RTC_DRV_AU1XXX 136445fd8a0cSManuel Lauss tristate "Au1xxx Counter0 RTC support" 136542a4f17dSManuel Lauss depends on MIPS_ALCHEMY 136645fd8a0cSManuel Lauss help 136745fd8a0cSManuel Lauss This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year 136845fd8a0cSManuel Lauss counter) to be used as a RTC. 136945fd8a0cSManuel Lauss 137045fd8a0cSManuel Lauss This driver can also be built as a module. If so, the module 137145fd8a0cSManuel Lauss will be called rtc-au1xxx. 137245fd8a0cSManuel Lauss 13738cc75c9aSWu, Bryanconfig RTC_DRV_BFIN 13748cc75c9aSWu, Bryan tristate "Blackfin On-Chip RTC" 13757f604599SGraf Yang depends on BLACKFIN && !BF561 13768cc75c9aSWu, Bryan help 13778cc75c9aSWu, Bryan If you say yes here you will get support for the 13788cc75c9aSWu, Bryan Blackfin On-Chip Real Time Clock. 13798cc75c9aSWu, Bryan 13808cc75c9aSWu, Bryan This driver can also be built as a module. If so, the module 13818cc75c9aSWu, Bryan will be called rtc-bfin. 13828cc75c9aSWu, Bryan 1383e9f2bd81SNobuhiro Iwamatsuconfig RTC_DRV_RS5C313 1384e9f2bd81SNobuhiro Iwamatsu tristate "Ricoh RS5C313" 1385bb35fb20SJan Engelhardt depends on SH_LANDISK 1386e9f2bd81SNobuhiro Iwamatsu help 1387e9f2bd81SNobuhiro Iwamatsu If you say yes here you get support for the Ricoh RS5C313 RTC chips. 1388e9f2bd81SNobuhiro Iwamatsu 13893afe6d04SGeert Uytterhoevenconfig RTC_DRV_GENERIC 13903afe6d04SGeert Uytterhoeven tristate "Generic RTC support" 13913afe6d04SGeert Uytterhoeven # Please consider writing a new RTC driver instead of using the generic 13923afe6d04SGeert Uytterhoeven # RTC abstraction 13937a587eaeSAlexandre Belloni depends on PARISC || M68K || PPC || SUPERH32 || COMPILE_TEST 13949eb16864SKyle McMartin help 13953afe6d04SGeert Uytterhoeven Say Y or M here to enable RTC support on systems using the generic 13963afe6d04SGeert Uytterhoeven RTC abstraction. If you do not know what you are doing, you should 13979eb16864SKyle McMartin just say Y. 13989eb16864SKyle McMartin 1399dc944368SRobert Jarzmikconfig RTC_DRV_PXA 1400dc944368SRobert Jarzmik tristate "PXA27x/PXA3xx" 1401dc944368SRobert Jarzmik depends on ARCH_PXA 14023cdf4ad9SRob Herring select RTC_DRV_SA1100 1403dc944368SRobert Jarzmik help 1404dc944368SRobert Jarzmik If you say Y here you will get access to the real time clock 14053cdf4ad9SRob Herring built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs 14063cdf4ad9SRob Herring consisting of an SA1100 compatible RTC and the extended PXA RTC. 1407dc944368SRobert Jarzmik 1408dc944368SRobert Jarzmik This RTC driver uses PXA RTC registers available since pxa27x 1409dc944368SRobert Jarzmik series (RDxR, RYxR) instead of legacy RCNR, RTAR. 1410dc944368SRobert Jarzmik 1411f77fbdf9SAlexey Charkovconfig RTC_DRV_VT8500 1412f77fbdf9SAlexey Charkov tristate "VIA/WonderMedia 85xx SoC RTC" 14137a587eaeSAlexandre Belloni depends on ARCH_VT8500 || COMPILE_TEST 1414f77fbdf9SAlexey Charkov help 1415f77fbdf9SAlexey Charkov If you say Y here you will get access to the real time clock 1416f77fbdf9SAlexey Charkov built into your VIA VT8500 SoC or its relatives. 1417f77fbdf9SAlexey Charkov 1418dc944368SRobert Jarzmik 14197a138edeSDavid S. Millerconfig RTC_DRV_SUN4V 14207a138edeSDavid S. Miller bool "SUN4V Hypervisor RTC" 14217a138edeSDavid S. Miller depends on SPARC64 14227a138edeSDavid S. Miller help 14237a138edeSDavid S. Miller If you say Y here you will get support for the Hypervisor 14247a138edeSDavid S. Miller based RTC on SUN4V systems. 14257a138edeSDavid S. Miller 14269765d2d9SChen-Yu Tsaiconfig RTC_DRV_SUN6I 14279765d2d9SChen-Yu Tsai tristate "Allwinner A31 RTC" 14287a587eaeSAlexandre Belloni default MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 14292863934eSAndre Przywara depends on ARCH_SUNXI 14309765d2d9SChen-Yu Tsai help 14312863934eSAndre Przywara If you say Y here you will get support for the RTC found in 14322863934eSAndre Przywara some Allwinner SoCs like the A31 or the A64. 14339765d2d9SChen-Yu Tsai 1434594c6fb9SCarlo Caioneconfig RTC_DRV_SUNXI 1435594c6fb9SCarlo Caione tristate "Allwinner sun4i/sun7i RTC" 14367a587eaeSAlexandre Belloni depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST 1437594c6fb9SCarlo Caione help 1438594c6fb9SCarlo Caione If you say Y here you will get support for the RTC found on 1439594c6fb9SCarlo Caione Allwinner A10/A20. 1440594c6fb9SCarlo Caione 1441de2cf332SDavid S. Millerconfig RTC_DRV_STARFIRE 1442de2cf332SDavid S. Miller bool "Starfire RTC" 1443de2cf332SDavid S. Miller depends on SPARC64 1444de2cf332SDavid S. Miller help 1445de2cf332SDavid S. Miller If you say Y here you will get support for the RTC found on 1446de2cf332SDavid S. Miller Starfire systems. 1447de2cf332SDavid S. Miller 14480e149233SAtsushi Nemotoconfig RTC_DRV_TX4939 14490e149233SAtsushi Nemoto tristate "TX4939 SoC" 14500e149233SAtsushi Nemoto depends on SOC_TX4939 14510e149233SAtsushi Nemoto help 14520e149233SAtsushi Nemoto Driver for the internal RTC (Realtime Clock) module found on 14530e149233SAtsushi Nemoto Toshiba TX4939 SoC. 14540e149233SAtsushi Nemoto 1455defb4514SSaeed Bisharaconfig RTC_DRV_MV 1456defb4514SSaeed Bishara tristate "Marvell SoC RTC" 14577a587eaeSAlexandre Belloni depends on ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST 1458defb4514SSaeed Bishara help 1459defb4514SSaeed Bishara If you say yes here you will get support for the in-chip RTC 1460defb4514SSaeed Bishara that can be found in some of Marvell's SoC devices, such as 1461defb4514SSaeed Bishara the Kirkwood 88F6281 and 88F6192. 1462defb4514SSaeed Bishara 1463defb4514SSaeed Bishara This driver can also be built as a module. If so, the module 1464defb4514SSaeed Bishara will be called rtc-mv. 1465defb4514SSaeed Bishara 1466a3a42806SGregory CLEMENTconfig RTC_DRV_ARMADA38X 1467a3a42806SGregory CLEMENT tristate "Armada 38x Marvell SoC RTC" 14687a587eaeSAlexandre Belloni depends on ARCH_MVEBU || COMPILE_TEST 1469a3a42806SGregory CLEMENT help 1470a3a42806SGregory CLEMENT If you say yes here you will get support for the in-chip RTC 1471a3a42806SGregory CLEMENT that can be found in the Armada 38x Marvell's SoC device 1472a3a42806SGregory CLEMENT 1473a3a42806SGregory CLEMENT This driver can also be built as a module. If so, the module 1474a3a42806SGregory CLEMENT will be called armada38x-rtc. 1475a3a42806SGregory CLEMENT 147698a9bb5bSHans Ulli Krollconfig RTC_DRV_GEMINI 147798a9bb5bSHans Ulli Kroll tristate "Gemini SoC RTC" 147898a9bb5bSHans Ulli Kroll depends on ARCH_GEMINI || COMPILE_TEST 147998a9bb5bSHans Ulli Kroll depends on HAS_IOMEM 148098a9bb5bSHans Ulli Kroll help 148198a9bb5bSHans Ulli Kroll If you say Y here you will get support for the 148298a9bb5bSHans Ulli Kroll RTC found on Gemini SoC's. 148398a9bb5bSHans Ulli Kroll 148498a9bb5bSHans Ulli Kroll This driver can also be built as a module. If so, the module 148598a9bb5bSHans Ulli Kroll will be called rtc-gemini. 148698a9bb5bSHans Ulli Kroll 14870b5f037aSGeert Uytterhoevenconfig RTC_DRV_PS3 14880b5f037aSGeert Uytterhoeven tristate "PS3 RTC" 14890b5f037aSGeert Uytterhoeven depends on PPC_PS3 14900b5f037aSGeert Uytterhoeven help 14910b5f037aSGeert Uytterhoeven If you say yes here you will get support for the RTC on PS3. 14920b5f037aSGeert Uytterhoeven 14930b5f037aSGeert Uytterhoeven This driver can also be built as a module. If so, the module 14940b5f037aSGeert Uytterhoeven will be called rtc-ps3. 14950b5f037aSGeert Uytterhoeven 1496aa958f57SLinus Walleijconfig RTC_DRV_COH901331 1497aa958f57SLinus Walleij tristate "ST-Ericsson COH 901 331 RTC" 14987a587eaeSAlexandre Belloni depends on ARCH_U300 || COMPILE_TEST 1499aa958f57SLinus Walleij help 1500aa958f57SLinus Walleij If you say Y here you will get access to ST-Ericsson 1501aa958f57SLinus Walleij COH 901 331 RTC clock found in some ST-Ericsson Mobile 1502aa958f57SLinus Walleij Platforms. 1503aa958f57SLinus Walleij 1504aa958f57SLinus Walleij This driver can also be built as a module. If so, the module 1505aa958f57SLinus Walleij will be called "rtc-coh901331". 1506aa958f57SLinus Walleij 1507aa958f57SLinus Walleij 1508df17f631Sdmitry pervushinconfig RTC_DRV_STMP 150946b21218SWolfram Sang tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC" 15107a587eaeSAlexandre Belloni depends on ARCH_MXS || COMPILE_TEST 151120d048acSAlexandre Belloni select STMP_DEVICE 1512df17f631Sdmitry pervushin help 1513df17f631Sdmitry pervushin If you say yes here you will get support for the onboard 151446b21218SWolfram Sang STMP3xxx/i.MX23/i.MX28 RTC. 1515df17f631Sdmitry pervushin 1516df17f631Sdmitry pervushin This driver can also be built as a module. If so, the module 1517df17f631Sdmitry pervushin will be called rtc-stmp3xxx. 1518df17f631Sdmitry pervushin 1519d3c7a3f7SDaniel Ribeiroconfig RTC_DRV_PCAP 1520d3c7a3f7SDaniel Ribeiro tristate "PCAP RTC" 1521d3c7a3f7SDaniel Ribeiro depends on EZX_PCAP 1522d3c7a3f7SDaniel Ribeiro help 1523d3c7a3f7SDaniel Ribeiro If you say Y here you will get support for the RTC found on 1524d3c7a3f7SDaniel Ribeiro the PCAP2 ASIC used on some Motorola phones. 1525d3c7a3f7SDaniel Ribeiro 15261c97872bSUwe Kleine-Königconfig RTC_DRV_MC13XXX 15271c97872bSUwe Kleine-König depends on MFD_MC13XXX 15281c97872bSUwe Kleine-König tristate "Freescale MC13xxx RTC" 152943299f28SUwe Kleine-König help 15301c97872bSUwe Kleine-König This enables support for the RTCs found on Freescale's PMICs 15311c97872bSUwe Kleine-König MC13783 and MC13892. 153243299f28SUwe Kleine-König 153350aae724SAnatolij Gustschinconfig RTC_DRV_MPC5121 153450aae724SAnatolij Gustschin tristate "Freescale MPC5121 built-in RTC" 1535955dbea3SDmitry Eremin-Solenikov depends on PPC_MPC512x || PPC_MPC52xx 153650aae724SAnatolij Gustschin help 153750aae724SAnatolij Gustschin If you say yes here you will get support for the 1538955dbea3SDmitry Eremin-Solenikov built-in RTC on MPC5121 or on MPC5200. 153950aae724SAnatolij Gustschin 154050aae724SAnatolij Gustschin This driver can also be built as a module. If so, the module 154150aae724SAnatolij Gustschin will be called rtc-mpc5121. 154250aae724SAnatolij Gustschin 15433bf0eea8SLars-Peter Clausenconfig RTC_DRV_JZ4740 15443bf0eea8SLars-Peter Clausen tristate "Ingenic JZ4740 SoC" 15457a587eaeSAlexandre Belloni depends on MACH_JZ4740 || COMPILE_TEST 15463bf0eea8SLars-Peter Clausen help 15473bf0eea8SLars-Peter Clausen If you say yes here you get support for the Ingenic JZ4740 SoC RTC 15483bf0eea8SLars-Peter Clausen controller. 15493bf0eea8SLars-Peter Clausen 15503bf0eea8SLars-Peter Clausen This driver can also be buillt as a module. If so, the module 15513bf0eea8SLars-Peter Clausen will be called rtc-jz4740. 15523bf0eea8SLars-Peter Clausen 1553c28b42e3SJoachim Eastwoodconfig RTC_DRV_LPC24XX 1554c28b42e3SJoachim Eastwood tristate "NXP RTC for LPC178x/18xx/408x/43xx" 1555c28b42e3SJoachim Eastwood depends on ARCH_LPC18XX || COMPILE_TEST 1556c28b42e3SJoachim Eastwood depends on OF && HAS_IOMEM 1557c28b42e3SJoachim Eastwood help 1558c28b42e3SJoachim Eastwood This enables support for the NXP RTC found which can be found on 1559c28b42e3SJoachim Eastwood NXP LPC178x/18xx/408x/43xx devices. 1560c28b42e3SJoachim Eastwood 1561c28b42e3SJoachim Eastwood If you have one of the devices above enable this driver to use 1562c28b42e3SJoachim Eastwood the hardware RTC. This driver can also be buillt as a module. If 1563c28b42e3SJoachim Eastwood so, the module will be called rtc-lpc24xx. 1564c28b42e3SJoachim Eastwood 15659aa449beSKevin Wellsconfig RTC_DRV_LPC32XX 15667a587eaeSAlexandre Belloni depends on ARCH_LPC32XX || COMPILE_TEST 15679aa449beSKevin Wells tristate "NXP LPC32XX RTC" 15689aa449beSKevin Wells help 15699aa449beSKevin Wells This enables support for the NXP RTC in the LPC32XX 15709aa449beSKevin Wells 15719aa449beSKevin Wells This driver can also be buillt as a module. If so, the module 15729aa449beSKevin Wells will be called rtc-lpc32xx. 15739aa449beSKevin Wells 15749a9a54adSAnirudh Ghayalconfig RTC_DRV_PM8XXX 15759a9a54adSAnirudh Ghayal tristate "Qualcomm PMIC8XXX RTC" 15767a587eaeSAlexandre Belloni depends on MFD_PM8XXX || MFD_SPMI_PMIC || COMPILE_TEST 15779a9a54adSAnirudh Ghayal help 15789a9a54adSAnirudh Ghayal If you say yes here you get support for the 15799a9a54adSAnirudh Ghayal Qualcomm PMIC8XXX RTC. 15809a9a54adSAnirudh Ghayal 15819a9a54adSAnirudh Ghayal To compile this driver as a module, choose M here: the 15829a9a54adSAnirudh Ghayal module will be called rtc-pm8xxx. 15839a9a54adSAnirudh Ghayal 1584ff859ba6SAndrew Chewconfig RTC_DRV_TEGRA 1585ff859ba6SAndrew Chew tristate "NVIDIA Tegra Internal RTC driver" 15867a587eaeSAlexandre Belloni depends on ARCH_TEGRA || COMPILE_TEST 1587ff859ba6SAndrew Chew help 1588ff859ba6SAndrew Chew If you say yes here you get support for the 1589ff859ba6SAndrew Chew Tegra 200 series internal RTC module. 1590ff859ba6SAndrew Chew 1591ff859ba6SAndrew Chew This drive can also be built as a module. If so, the module 1592ff859ba6SAndrew Chew will be called rtc-tegra. 1593ff859ba6SAndrew Chew 1594dd196a2bSChris Metcalfconfig RTC_DRV_TILE 1595dd196a2bSChris Metcalf tristate "Tilera hypervisor RTC support" 1596dd196a2bSChris Metcalf depends on TILE 1597dd196a2bSChris Metcalf help 1598dd196a2bSChris Metcalf Enable support for the Linux driver side of the Tilera 1599dd196a2bSChris Metcalf hypervisor's real-time clock interface. 1600dd196a2bSChris Metcalf 16012809e80bSGuan Xuetaoconfig RTC_DRV_PUV3 16022809e80bSGuan Xuetao tristate "PKUnity v3 RTC support" 16032809e80bSGuan Xuetao depends on ARCH_PUV3 16042809e80bSGuan Xuetao help 16052809e80bSGuan Xuetao This enables support for the RTC in the PKUnity-v3 SoCs. 16062809e80bSGuan Xuetao 16072809e80bSGuan Xuetao This drive can also be built as a module. If so, the module 16082809e80bSGuan Xuetao will be called rtc-puv3. 16092809e80bSGuan Xuetao 1610b4f0b880Szhao zhangconfig RTC_DRV_LOONGSON1 1611b4f0b880Szhao zhang tristate "loongson1 RTC support" 161230ad29bbSHuacai Chen depends on MACH_LOONGSON32 1613b4f0b880Szhao zhang help 1614b4f0b880Szhao zhang This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year 1615b4f0b880Szhao zhang counter) to be used as a RTC. 1616b4f0b880Szhao zhang 1617b4f0b880Szhao zhang This driver can also be built as a module. If so, the module 1618b4f0b880Szhao zhang will be called rtc-ls1x. 1619b4f0b880Szhao zhang 162079811595SFabio Estevamconfig RTC_DRV_MXC 1621b224b9acSFabio Estevam tristate "Freescale MXC Real Time Clock" 1622b224b9acSFabio Estevam depends on ARCH_MXC 1623b224b9acSFabio Estevam help 1624b224b9acSFabio Estevam If you say yes here you get support for the Freescale MXC 1625b224b9acSFabio Estevam RTC module. 1626b224b9acSFabio Estevam 1627b224b9acSFabio Estevam This driver can also be built as a module, if so, the module 1628b224b9acSFabio Estevam will be called "rtc-mxc". 1629b224b9acSFabio Estevam 1630179a502fSShawn Guoconfig RTC_DRV_SNVS 1631179a502fSShawn Guo tristate "Freescale SNVS RTC support" 16328a0fa184SShawn Guo select REGMAP_MMIO 1633179a502fSShawn Guo depends on HAS_IOMEM 1634179a502fSShawn Guo depends on OF 1635179a502fSShawn Guo help 1636179a502fSShawn Guo If you say yes here you get support for the Freescale SNVS 1637179a502fSShawn Guo Low Power (LP) RTC module. 1638179a502fSShawn Guo 1639179a502fSShawn Guo This driver can also be built as a module, if so, the module 1640179a502fSShawn Guo will be called "rtc-snvs". 1641179a502fSShawn Guo 1642e88b815eSXianglong Duconfig RTC_DRV_SIRFSOC 1643e88b815eSXianglong Du tristate "SiRFSOC RTC" 1644e88b815eSXianglong Du depends on ARCH_SIRF 1645e88b815eSXianglong Du help 1646e88b815eSXianglong Du Say "yes" here to support the real time clock on SiRF SOC chips. 1647e88b815eSXianglong Du This driver can also be built as a module called rtc-sirfsoc. 1648e88b815eSXianglong Du 1649b5b2bdfcSLee Jonesconfig RTC_DRV_ST_LPC 1650b5b2bdfcSLee Jones tristate "STMicroelectronics LPC RTC" 1651b5b2bdfcSLee Jones depends on ARCH_STI 1652b5b2bdfcSLee Jones depends on OF 1653b5b2bdfcSLee Jones help 1654b5b2bdfcSLee Jones Say Y here to include STMicroelectronics Low Power Controller 1655b5b2bdfcSLee Jones (LPC) based RTC support. 1656b5b2bdfcSLee Jones 1657b5b2bdfcSLee Jones To compile this driver as a module, choose M here: the 1658b5b2bdfcSLee Jones module will be called rtc-st-lpc. 1659b5b2bdfcSLee Jones 1660453b4c6dSJonas Jensenconfig RTC_DRV_MOXART 1661453b4c6dSJonas Jensen tristate "MOXA ART RTC" 1662441fb768SJean Delvare depends on ARCH_MOXART || COMPILE_TEST 1663453b4c6dSJonas Jensen help 1664453b4c6dSJonas Jensen If you say yes here you get support for the MOXA ART 1665453b4c6dSJonas Jensen RTC module. 1666453b4c6dSJonas Jensen 1667453b4c6dSJonas Jensen This driver can also be built as a module. If so, the module 1668453b4c6dSJonas Jensen will be called rtc-moxart 1669453b4c6dSJonas Jensen 1670fc297911STianping Fangconfig RTC_DRV_MT6397 1671fc297911STianping Fang tristate "Mediatek Real Time Clock driver" 167204d3ba70SArnd Bergmann depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN) 1673fc297911STianping Fang help 1674fc297911STianping Fang This selects the Mediatek(R) RTC driver. RTC is part of Mediatek 1675fc297911STianping Fang MT6397 PMIC. You should enable MT6397 PMIC MFD before select 1676fc297911STianping Fang Mediatek(R) RTC driver. 1677fc297911STianping Fang 1678fc297911STianping Fang If you want to use Mediatek(R) RTC interface, select Y or M here. 1679fc297911STianping Fang 1680f12d8695SLoc Hoconfig RTC_DRV_XGENE 1681f12d8695SLoc Ho tristate "APM X-Gene RTC" 1682706b632dSChen Gang depends on HAS_IOMEM 1683fdf8afa1SJean Delvare depends on ARCH_XGENE || COMPILE_TEST 1684f12d8695SLoc Ho help 1685f12d8695SLoc Ho If you say yes here you get support for the APM X-Gene SoC real time 1686f12d8695SLoc Ho clock. 1687f12d8695SLoc Ho 1688f12d8695SLoc Ho This driver can also be built as a module, if so, the module 1689f12d8695SLoc Ho will be called "rtc-xgene". 1690f12d8695SLoc Ho 169151aa905cSJoshua Hendersonconfig RTC_DRV_PIC32 169251aa905cSJoshua Henderson tristate "Microchip PIC32 RTC" 169351aa905cSJoshua Henderson depends on MACH_PIC32 169451aa905cSJoshua Henderson default y 169551aa905cSJoshua Henderson help 169651aa905cSJoshua Henderson If you say yes here you get support for the PIC32 RTC module. 169751aa905cSJoshua Henderson 169851aa905cSJoshua Henderson This driver can also be built as a module. If so, the module 169951aa905cSJoshua Henderson will be called rtc-pic32 170051aa905cSJoshua Henderson 170162e00cb9SAlexander Hollercomment "HID Sensor RTC drivers" 170262e00cb9SAlexander Holler 170362e00cb9SAlexander Hollerconfig RTC_DRV_HID_SENSOR_TIME 170462e00cb9SAlexander Holler tristate "HID Sensor Time" 170562e00cb9SAlexander Holler depends on USB_HID 170662e00cb9SAlexander Holler select IIO 170762e00cb9SAlexander Holler select HID_SENSOR_HUB 170862e00cb9SAlexander Holler select HID_SENSOR_IIO_COMMON 170962e00cb9SAlexander Holler help 171062e00cb9SAlexander Holler Say yes here to build support for the HID Sensors of type Time. 171162e00cb9SAlexander Holler This drivers makes such sensors available as RTCs. 171262e00cb9SAlexander Holler 171362e00cb9SAlexander Holler If this driver is compiled as a module, it will be named 171462e00cb9SAlexander Holler rtc-hid-sensor-time. 171562e00cb9SAlexander Holler 171662e00cb9SAlexander Holler 1717bb35fb20SJan Engelhardtendif # RTC_CLASS 1718