Lines Matching +full:real +full:- +full:time

1 # SPDX-License-Identifier: GPL-2.0-only
14 bool "Real Time Clock"
26 bool "Set system time from RTC on startup and resume"
29 If you say yes here, the system time (wall clock) will be set using
31 unnecessary fsck runs at boot time, and to network better.
34 string "RTC used to set the system time"
41 device should record time in UTC, since the kernel won't do
44 This clock should be battery-backed, so that it reads the correct
45 time when the system boots from a power-off state. Otherwise, your
49 be useful to reinitialize system time when resuming from system
54 bool "Set the RTC time based on NTP synchronization"
57 If you say yes here, the system time (wall clock) will be stored
69 one can sleep when setting time, because it runs in the workqueue
132 once-per-second update interrupts, used for synchronization.
134 The emulation code will read the time from the hardware
144 the time from the system clock.
150 will be called rtc-test.
164 will be called rtc-88pm860x.
174 will be called rtc-88pm80x.
178 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
181 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
184 will be called rtc-ab-b5ze-s3.
188 tristate "Abracon AB-RTCMC-32.768kHz-EOZ9"
191 AB-RTCMC-32.768kHz-EOA9 I2C RTC chip.
194 will be called rtc-ab-e0z9.
201 families of ultra-low-power battery- and capacitor-backed real-time
205 will be called rtc-abx80x.
208 tristate "X-Powers AC100"
211 If you say yes here you get support for the real-time clock found
212 in X-Powers AC100 family peripheral ICs.
215 will be called rtc-ac100.
218 tristate "Broadcom STB wake-timer"
222 If you say yes here you get support for the wake-timer found on
226 be called rtc-brcmstb-waketimer.
236 will be called rtc-as3722.
239 tristate "Dallas/Maxim DS1307/37/38/39/40/41, ST M41T00, EPSON RX-8025, ISL12057"
246 ST M41T00, EPSON RX-8025, Intersil ISL12057 and probably other chips.
256 will be called rtc-ds1307.
259 bool "Century bit support for rtc-ds1307"
264 century bit inconditionnally but never used it when reading the time.
267 the time was previously set using a kernel predating this option,
276 DS1374 real-time clock chips. If an interrupt is associated
280 will be called rtc-ds1374.
289 real-time clock chips.
298 will be called rtc-ds1672.
309 will be called rtc-hym8563.
324 will be called rtc-max6900.
335 will be called rtc-max8907.
345 will be called rtc-max8925.
355 will be called rtc-max8998.
365 will be called rtc-max8997.
375 will be called rtc-max77686.
385 will be called rk808-rtc.
394 will be called rtc-rs5c372.
403 will be called rtc-isl1208.
412 will be called rtc-isl12022.
422 will be called rtc-isl12026.
431 will be called rtc-x1205.
440 will be called rtc-pcf8523.
449 will be called rtc-pcf85063.
458 will be called rtc-pcf85363.
460 The nvmem interface will be named pcf85363-#, where # is the
461 zero-based instance number.
471 will be called rtc-pcf8563.
483 will be called rtc-pcf8583.
494 will be called rtc-m41t80.
511 will be called rtc-bd70528.
520 will be called rtc-bq32k.
546 will be called rtc-twl.
556 will be called rtc-palma.
574 will be called rtc-tps65910.
592 will be called rtc-rc5t583.
602 will be called rtc-rc5t619.
605 tristate "Seiko Instruments S-35390A"
609 Instruments S-35390A.
612 will be called rtc-s35390a.
623 will be called rtc-fm3130.
632 will be called rtc-rx8010.
635 tristate "Epson RX-8571/RX-8581"
638 If you say yes here you will get support for the Epson RX-8571/
639 RX-8581.
642 will be called rtc-rx8581.
645 tristate "Epson RX-8025SA/NB"
648 RX-8025SA/NB RTC chips.
651 will be called rtc-rx8025.
660 will be called rtc-em3027.
670 will be called rtc-rv3028.
680 will be called rtc-rv3032.
689 will be called rtc-rv8803.
700 will be called rtc-s5m.
710 will be called rtc-sd3078
725 will be called rtc-m41t93.
734 will be called rtc-m41t94.
743 will be called rtc-ds1302.
749 and DS1306 real time clock chips. These support a trickle
753 will be called rtc-ds1305.
760 Dallas/Maxim DS1343 and DS1344 real time clock chips.
764 will be called rtc-ds1343.
777 will be called rtc-ds1347.
789 will be called rtc-ds1390.
801 will be called rtc-max6916.
804 tristate "Epson RTC-9701JE"
807 Epson RTC-9701JE SPI RTC chip.
810 will be called rtc-r9701.
813 tristate "Epson RX-4581"
815 If you say yes here you will get support for the Epson RX-4581.
818 will be called rtc-rx4581.
821 tristate "Epson RX-6110"
824 If you say yes here you will get support for the Epson RX-6610.
827 will be called rtc-rx6110.
836 will be called rtc-rs5c348.
845 will be called rtc-max6902.
855 will be called rtc-pcf2123.
863 will be called rtc-mcp795.
886 DS3232 and DS3234 real-time clock chips. If an interrupt is associated
890 will be called rtc-ds3232.
898 rtc-ds3232
916 will be called rtc-pcf2127.
928 will be called rtc-rv3029c2.
937 rtc-rv3029.
946 tristate "PC-style 'CMOS'"
951 Say "yes" here to get direct support for the real time clock
952 found in every PC or ACPI-based system, and some other boards.
963 will be called rtc-cmos.
966 bool "Alpha PC-style CMOS"
971 Direct support for the real-time clock found on every Alpha
980 Say "yes" here to get direct support for the real time clock
982 derives its clock source from a real RTC in the PMIC. The MC146818
1006 will be called rtc-ds1511.
1016 will be called rtc-ds1553.
1022 family of real time chips. This family includes the DS1685/DS1687,
1027 will be called rtc-ds1685.
1037 This enables support for the Dallas/Maxim DS1685/DS1687 real time
1041 systems, as well as EPPC-405-UC modules by electronic system design
1047 This enables support for the Dallas/Maxim DS1689/DS1693 real time
1052 Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
1061 This enables support for the Dallas/Maxim DS17285/DS17287 real time
1064 This chip features 2kb of extended NV-SRAM. It may possibly be
1070 This enables support for the Dallas/Maxim DS17485/DS17487 real time
1073 This chip features 4kb of extended NV-SRAM.
1078 This enables support for the Dallas/Maxim DS17885/DS17887 real time
1081 This chip features 8kb of extended NV-SRAM.
1093 will be called rtc-ds1742.
1102 will be called rtc-ds2404.
1109 DA9052-BC and DA9053-AA/Bx PMICs.
1119 will be called rtc-da9055
1129 will be called "rtc-da9063".
1136 Real Time Clock.
1139 will be called rtc-efi.
1149 will be called rtc-stk17ta8.
1158 will be called rtc-m48t86.
1168 will be called "rtc-m48t35".
1181 will be called "rtc-m48t59".
1191 will be called rtc-msm6242.
1201 will be called rtc-bq4802.
1212 will be called rtc-rp5c01.
1221 will be called rtc-v3020.
1231 will be called "rtc-wm831x".
1241 will be called "rtc-wm8350".
1252 will be called rtc-sc27xx.
1270 tristate "ST-Ericsson AB3100 RTC"
1274 Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
1275 support. This chip contains a battery- and capacitor-backed RTC.
1278 tristate "ST-Ericsson AB8500 RTC"
1283 Select this to enable the ST-Ericsson AB8500 power management IC RTC
1284 support. This chip contains a battery- and capacitor-backed RTC.
1295 will be called rtc-opal.
1312 will be called rtc-cros-ec.
1314 comment "on-CPU RTC drivers"
1324 will be called rtc-asm9260.
1334 will be called rtc-davinci.
1344 will be called rtc-digicolor.
1347 tristate "Freescale IMX DryIce Real Time Clock"
1353 will be called "rtc-imxdi".
1366 will be called "rtc-fsl-ftm-alarm".
1377 will be called "rtc-meson".
1388 will be called rtc-meson-vrtc.
1391 tristate "TI OMAP Real Time Clock"
1397 Say "yes" here to support the on chip real time clock
1398 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
1401 will be called rtc-omap.
1408 select this in the respective mach-XXXX/Kconfig file.
1424 will be called rtc-s3c.
1434 will be called rtc-ep93xx.
1440 If you say Y here you will get access to the real time clock
1444 module will be called rtc-sa1100.
1447 tristate "SuperH On-Chip RTC"
1450 Say Y here to enable support for the on-chip RTC found in
1454 module will be called rtc-sh.
1460 If you say Y here you will get access to the real time clock
1464 module will be called rtc-vr41xx.
1474 module will be called rtc-pl030.
1484 module will be called rtc-pl031.
1501 Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
1506 Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
1507 probably want to use the real RTC block instead of the "RTT as an
1514 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1518 will be called rtc-au1xxx.
1541 If you say Y here you will get access to the real time clock
1552 If you say Y here you will get access to the real time clock
1597 If you say yes here you will get support for the in-chip RTC
1602 will be called rtc-mv.
1608 If you say yes here you will get support for the in-chip RTC
1612 will be called armada38x-rtc.
1622 module will be called rtc-cadence.
1633 will be called rtc-ftrtc010.
1642 will be called rtc-ps3.
1645 tristate "ST-Ericsson COH 901 331 RTC"
1648 If you say Y here you will get access to ST-Ericsson
1649 COH 901 331 RTC clock found in some ST-Ericsson Mobile
1653 will be called "rtc-coh901331".
1665 will be called rtc-stmp3xxx.
1682 tristate "Freescale MPC5121 built-in RTC"
1686 built-in RTC on MPC5121 or on MPC5200.
1689 will be called rtc-mpc5121.
1700 will be called rtc-jz4740.
1712 so, the module will be called rtc-lpc24xx.
1721 will be called rtc-lpc32xx.
1731 module will be called rtc-pm8xxx.
1741 will be called rtc-tegra.
1747 This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1751 will be called rtc-ls1x.
1754 tristate "Freescale MXC Real Time Clock"
1761 will be called "rtc-mxc".
1764 tristate "Freescale MXC Real Time Clock for i.MX53"
1771 will be called "rtc-mxc_v2".
1784 will be called "rtc-snvs".
1798 Say "yes" here to support the real time clock on SiRF SOC chips.
1799 This driver can also be built as a module called rtc-sirfsoc.
1810 module will be called rtc-st-lpc.
1820 will be called rtc-moxart
1826 This enables support for the real time clock built in the MediaTek
1830 will be called rtc-mt2712.
1846 This enables support for the real time clock built in the MediaTek
1850 will be called rtc-mt7622.
1853 tristate "APM X-Gene RTC"
1857 If you say yes here you get support for the APM X-Gene SoC real time
1861 will be called "rtc-xgene".
1871 will be called rtc-pic32
1874 tristate "EPSON TOYOCOM RTC-7301SF/DG"
1879 RTC-7301SF/DG chips.
1882 will be called rtc-r7301.
1889 If you say yes here you get support for the STM32 On-Chip
1890 Real Time Clock.
1893 will be called "rtc-stm32".
1908 Real Time Clock.
1915 If you say yes here you get support for the ASPEED BMC SoC real time
1919 will be called "rtc-aspeed".
1924 tristate "HID Sensor Time"
1929 Say yes here to build support for the HID Sensors of type Time.
1933 rtc-hid-sensor-time.
1936 tristate "Goldfish Real Time Clock"
1950 If you say yes here, you get read/write support for the Real Time