Kconfig - OpenGrok cross reference for /OK3568_Linux_fs/kernel/drivers/rtc/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
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
58 	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
69 	  one can sleep when setting time, because it runs in the workqueue
75 	  Say yes here to enable debugging support in the RTC framework
132 	  once-per-second update interrupts, used for synchronization.
149 	  This driver can also be built as a module. If so, the module
150 	  will be called rtc-test.
160 	  If you say yes here you get support for RTC function in Marvell
163 	  This driver can also be built as a module. If so, the module
164 	  will be called rtc-88pm860x.
170 	  If you say yes here you get support for RTC function in Marvell
173 	  This driver can also be built as a module. If so, the module
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.
183 	  This driver can also be built as a module. If so, the module
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.
193 	  This driver can also be built as a module. If so, the module
194 	  will be called rtc-ab-e0z9.
201 	  families of ultra-low-power  battery- and capacitor-backed real-time
204 	  This driver can also be built as a module. If so, the module
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.
214 	  This driver can also be built as a module. If so, the module
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
225 	  This driver can also be built as a module. If so, the module will
226 	  be called rtc-brcmstb-waketimer.
235 	  This driver can also be built as a module. If so, the module
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.
247 	  In some cases the RTC must already have been initialized (by
252 	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
255 	  This driver can also be built as a module. If so, the module
256 	  will be called rtc-ds1307.
259 	bool "Century bit support for rtc-ds1307"
268 	  reading the date will return a date in the next century.
276 	  DS1374 real-time clock chips. If an interrupt is associated
279 	  This driver can also be built as a module. If so, the module
280 	  will be called rtc-ds1374.
288 	  watchdog timer in the Dallas Semiconductor DS1374
289 	  real-time clock chips.
297 	  This driver can also be built as a module. If so, the module
298 	  will be called rtc-ds1672.
308 	  This driver can also be built as a module. If so, the module
309 	  will be called rtc-hym8563.
323 	  This driver can also be built as a module. If so, the module
324 	  will be called rtc-max6900.
334 	  This driver can also be built as a module. If so, the module
335 	  will be called rtc-max8907.
344 	  This driver can also be built as a module. If so, the module
345 	  will be called rtc-max8925.
354 	  This driver can also be built as a module. If so, the module
355 	  will be called rtc-max8998.
364 	  This driver can also be built as a module. If so, the module
365 	  will be called rtc-max8997.
374 	  This driver can also be built as a module. If so, the module
375 	  will be called rtc-max77686.
384 	  This driver can also be built as a module. If so, the module
385 	  will be called rk808-rtc.
394 	  This driver can also be built as a module. If so, the module
395 	  will be called rtc-rockchip.
403 	  This driver can also be built as a module. If so, the module
404 	  will be called rtc-rs5c372.
412 	  This driver can also be built as a module. If so, the module
413 	  will be called rtc-isl1208.
421 	  This driver can also be built as a module. If so, the module
422 	  will be called rtc-isl12022.
431 	  This driver can also be built as a module. If so, the module
432 	  will be called rtc-isl12026.
440 	  This driver can also be built as a module. If so, the module
441 	  will be called rtc-x1205.
449 	  This driver can also be built as a module. If so, the module
450 	  will be called rtc-pcf8523.
458 	  This driver can also be built as a module. If so, the module
459 	  will be called rtc-pcf85063.
467 	  This driver can also be built as a module. If so, the module
468 	  will be called rtc-pcf85363.
470 	  The nvmem interface will be named pcf85363-#, where # is the
471 	  zero-based instance number.
480 	  This driver can also be built as a module. If so, the module
481 	  will be called rtc-pcf8563.
492 	  This driver can also be built as a module. If so, the module
493 	  will be called rtc-pcf8583.
503 	  This driver can also be built as a module. If so, the module
504 	  will be called rtc-m41t80.
511 	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
520 	  This driver can also be built as a module. If so, the module
521 	  will be called rtc-bd70528.
529 	  This driver can also be built as a module. If so, the module
530 	  will be called rtc-bq32k.
536 	  Supports the RTC firmware in the MSP430 on the DM355 EVM.
555 	  This driver can also be built as a module. If so, the module
556 	  will be called rtc-twl.
565 	  This driver can also be built as a module. If so, the module
566 	  will be called rtc-palma.
583 	  This driver can also be built as a module. If so, the module
584 	  will be called rtc-tps65910.
601 	  This driver can also be built as a module. If so, the module
602 	  will be called rtc-rc5t583.
611 	  This driver can also be built as a module. If so, the module
612 	  will be called rtc-rc5t619.
615 	tristate "Seiko Instruments S-35390A"
619 	  Instruments S-35390A.
621 	  This driver can also be built as a module. If so the module
622 	  will be called rtc-s35390a.
632 	  This driver can also be built as a module. If so the module
633 	  will be called rtc-fm3130.
642 	  This driver can also be built as a module. If so, the module
643 	  will be called rtc-rx8010.
646 	tristate "Epson RX-8571/RX-8581"
649 	  If you say yes here you will get support for the Epson RX-8571/
650 	  RX-8581.
652 	  This driver can also be built as a module. If so the module
653 	  will be called rtc-rx8581.
656 	tristate "Epson RX-8025SA/NB"
659 	  RX-8025SA/NB RTC chips.
661 	  This driver can also be built as a module. If so, the module
662 	  will be called rtc-rx8025.
670 	  This driver can also be built as a module. If so, the module
671 	  will be called rtc-em3027.
680 	  This driver can also be built as a module. If so, the module
681 	  will be called rtc-rv3028.
690 	  This driver can also be built as a module. If so, the module
691 	  will be called rtc-rv3032.
699 	  This driver can also be built as a module. If so, the module
700 	  will be called rtc-rv8803.
711 	  This driver can also be built as a module. If so, the module
712 	  will be called rtc-s5m.
721 	  This driver can also be built as a module. If so, the module
722 	  will be called rtc-sd3078
736 	  This driver can also be built as a module. If so, the module
737 	  will be called rtc-m41t93.
745 	  This driver can also be built as a module. If so, the module
746 	  will be called rtc-m41t94.
754 	  This driver can also be built as a module. If so, the module
755 	  will be called rtc-ds1302.
762 	  charger, alarms, and NVRAM in addition to the clock.
764 	  This driver can also be built as a module. If so, the module
765 	  will be called rtc-ds1305.
775 	  This driver can also be built as a module. If so, the module
776 	  will be called rtc-ds1343.
788 	  This driver can also be built as a module. If so, the module
789 	  will be called rtc-ds1347.
800 	  This driver can also be built as a module. If so, the module
801 	  will be called rtc-ds1390.
812 	  This driver can also be built as a module. If so, the module
813 	  will be called rtc-max6916.
816 	tristate "Epson RTC-9701JE"
819 	  Epson RTC-9701JE SPI RTC chip.
821 	  This driver can also be built as a module. If so, the module
822 	  will be called rtc-r9701.
825 	tristate "Epson RX-4581"
827 	  If you say yes here you will get support for the Epson RX-4581.
829 	  This driver can also be built as a module. If so the module
830 	  will be called rtc-rx4581.
833 	tristate "Epson RX-6110"
836 	  If you say yes here you will get support for the Epson RX-6610.
838 	  This driver can also be built as a module. If so the module
839 	  will be called rtc-rx6110.
847 	  This driver can also be built as a module. If so, the module
848 	  will be called rtc-rs5c348.
856 	  This driver can also be built as a module. If so, the module
857 	  will be called rtc-max6902.
866 	  This driver can also be built as a module. If so, the module
867 	  will be called rtc-pcf2123.
874 	  This driver can also be built as a module. If so the module
875 	  will be called rtc-mcp795.
898 	  DS3232 and DS3234 real-time clock chips. If an interrupt is associated
901 	  This driver can also be built as a module.  If so, the module
902 	  will be called rtc-ds3232.
910 	  rtc-ds3232
927 	  This driver can also be built as a module. If so, the module
928 	  will be called rtc-pcf2127.
939 	  This driver can also be built as a module. If so, the module
940 	  will be called rtc-rv3029c2.
949 	  rtc-rv3029.
958 	tristate "PC-style 'CMOS'"
964 	  found in every PC or ACPI-based system, and some other boards.
965 	  Specifically the original MC146818, compatibles like those in
974 	  This driver can also be built as a module. If so, the module
975 	  will be called rtc-cmos.
978 	bool "Alpha PC-style CMOS"
983 	  Direct support for the real-time clock found on every Alpha
984 	  system, specifically MC146818 compatibles.  If in doubt, say Y.
994 	derives its clock source from a real RTC in the PMIC. The MC146818
1017 	  This driver can also be built as a module. If so, the module
1018 	  will be called rtc-ds1511.
1027 	  This driver can also be built as a module. If so, the module
1028 	  will be called rtc-ds1553.
1038 	  This driver can also be built as a module. If so, the module
1039 	  will be called rtc-ds1685.
1052 	  This chip is commonly found in SGI O2 (IP32) and SGI Octane (IP30)
1053 	  systems, as well as EPPC-405-UC modules by electronic system design
1064 	  Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
1076 	  This chip features 2kb of extended NV-SRAM.  It may possibly be
1077 	  found in some SGI O2 systems (rare).
1085 	  This chip features 4kb of extended NV-SRAM.
1093 	  This chip features 8kb of extended NV-SRAM.
1104 	  This driver can also be built as a module. If so, the module
1105 	  will be called rtc-ds1742.
1113 	  This driver can also be built as a module. If so, the module
1114 	  will be called rtc-ds2404.
1121 	  DA9052-BC and DA9053-AA/Bx PMICs.
1130 	  This driver can also be built as a module. If so, the module
1131 	  will be called rtc-da9055
1140 	  This driver can also be built as a module. If so, the module
1141 	  will be called "rtc-da9063".
1150 	  This driver can also be built as a module. If so, the module
1151 	  will be called rtc-efi.
1160 	  This driver can also be built as a module. If so, the module
1161 	  will be called rtc-stk17ta8.
1169 	  This driver can also be built as a module. If so, the module
1170 	  will be called rtc-m48t86.
1179 	  This driver can also be built as a module, if so, the module
1180 	  will be called "rtc-m48t35".
1189 	  These chips are usually found in Sun SPARC and UltraSPARC
1192 	  This driver can also be built as a module, if so, the module
1193 	  will be called "rtc-m48t59".
1200 	  timekeeping chip. It is used in some Amiga models (e.g. A2000).
1202 	  This driver can also be built as a module. If so, the module
1203 	  will be called rtc-msm6242.
1212 	  This driver can also be built as a module. If so, the module
1213 	  will be called rtc-bq4802.
1220 	  timekeeping chip. It is used in some Amiga models (e.g. A3000
1223 	  This driver can also be built as a module. If so, the module
1224 	  will be called rtc-rp5c01.
1232 	  This driver can also be built as a module. If so, the module
1233 	  will be called rtc-v3020.
1242 	  This driver can also be built as a module. If so, the module
1243 	  will be called "rtc-wm831x".
1252 	  This driver can also be built as a module. If so, the module
1253 	  will be called "rtc-wm8350".
1263 	  This driver can also be built as a module. If so, the module
1264 	  will be called rtc-sc27xx.
1279 	  NXP PCF50633 used in embedded systems.
1282 	tristate "ST-Ericsson AB3100 RTC"
1286 	  Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
1287 	  support. This chip contains a battery- and capacitor-backed RTC.
1290 	tristate "ST-Ericsson AB8500 RTC"
1295 	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
1296 	  support. This chip contains a battery- and capacitor-backed RTC.
1306 	  This driver can also be built as a module. If so, the module
1307 	  will be called rtc-opal.
1323 	  This driver can also be built as a module. If so, the module
1324 	  will be called rtc-cros-ec.
1326 comment "on-CPU RTC drivers"
1335 	  This driver can also be built as a module. If so, the module
1336 	  will be called rtc-asm9260.
1345 	  This driver can also be built as a module. If so, the module
1346 	  will be called rtc-davinci.
1355 	  This driver can also be built as a module. If so, the module
1356 	  will be called rtc-digicolor.
1364 	   This driver can also be built as a module, if so, the module
1365 	   will be called "rtc-imxdi".
1371 	   For the FlexTimer in LS1012A, LS1021A, LS1028A, LS1043A, LS1046A,
1377 	   This driver can also be built as a module, if so, the module
1378 	   will be called "rtc-fsl-ftm-alarm".
1388 	   This driver can also be built as a module, if so, the module
1389 	   will be called "rtc-meson".
1399 	  This driver can also be built as a module. If so, the module
1400 	  will be called rtc-meson-vrtc.
1410 	  present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
1412 	  This driver can also be built as a module, if so, module
1413 	  will be called rtc-omap.
1420 	  select this in the respective mach-XXXX/Kconfig file.
1436 	  will be called rtc-s3c.
1443 	  RTC embedded in the Cirrus Logic EP93XX processors.
1445 	  This driver can also be built as a module. If so, the module
1446 	  will be called rtc-ep93xx.
1453 	  built into your SA11x0 or PXA2xx CPU.
1456 	  module will be called rtc-sa1100.
1459 	tristate "SuperH On-Chip RTC"
1462 	  Say Y here to enable support for the on-chip RTC found in
1463 	  most SuperH processors. This RTC is also found in RZ/A SoCs.
1466 	  module will be called rtc-sh.
1473 	  built into your NEC VR41XX CPU.
1476 	  module will be called rtc-vr41xx.
1486 	  module will be called rtc-pl030.
1496 	  module will be called rtc-pl031.
1526 	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1529 	  This driver can also be built as a module. If so, the module
1530 	  will be called rtc-au1xxx.
1554 	 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1565 	  built into your VIA VT8500 SoC or its relatives.
1581 	  If you say Y here you will get support for the RTC found in
1609 	  If you say yes here you will get support for the in-chip RTC
1610 	  that can be found in some of Marvell's SoC devices, such as
1613 	  This driver can also be built as a module. If so, the module
1614 	  will be called rtc-mv.
1620 	  If you say yes here you will get support for the in-chip RTC
1621 	  that can be found in the Armada 38x Marvell's SoC device
1623 	  This driver can also be built as a module. If so, the module
1624 	  will be called armada38x-rtc.
1634 	  module will be called rtc-cadence.
1644 	  This driver can also be built as a module. If so, the module
1645 	  will be called rtc-ftrtc010.
1653 	  This driver can also be built as a module. If so, the module
1654 	  will be called rtc-ps3.
1657 	tristate "ST-Ericsson COH 901 331 RTC"
1660 	  If you say Y here you will get access to ST-Ericsson
1661 	  COH 901 331 RTC clock found in some ST-Ericsson Mobile
1664 	  This driver can also be built as a module. If so, the module
1665 	  will be called "rtc-coh901331".
1676 	  This driver can also be built as a module. If so, the module
1677 	  will be called rtc-stmp3xxx.
1694 	tristate "Freescale MPC5121 built-in RTC"
1698 	  built-in RTC on MPC5121 or on MPC5200.
1700 	  This driver can also be built as a module. If so, the module
1701 	  will be called rtc-mpc5121.
1711 	  This driver can also be built as a module. If so, the module
1712 	  will be called rtc-jz4740.
1723 	  the hardware RTC. This driver can also be built as a module. If
1724 	  so, the module will be called rtc-lpc24xx.
1730 	  This enables support for the NXP RTC in the LPC32XX
1732 	  This driver can also be built as a module. If so, the module
1733 	  will be called rtc-lpc32xx.
1743 	  module will be called rtc-pm8xxx.
1752 	  This drive can also be built as a module. If so, the module
1753 	  will be called rtc-tegra.
1759 	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
1762 	  This driver can also be built as a module. If so, the module
1763 	  will be called rtc-ls1x.
1772 	   This driver can also be built as a module, if so, the module
1773 	   will be called "rtc-mxc".
1780 	   SRTC module in i.MX53 processor.
1782 	   This driver can also be built as a module, if so, the module
1783 	   will be called "rtc-mxc_v2".
1795 	   This driver can also be built as a module, if so, the module
1796 	   will be called "rtc-snvs".
1811 	  This driver can also be built as a module called rtc-sirfsoc.
1822 	  module will be called rtc-st-lpc.
1831 	   This driver can also be built as a module. If so, the module
1832 	   will be called rtc-moxart
1838 	  This enables support for the real time clock built in the MediaTek
1841 	  This drive can also be built as a module. If so, the module
1842 	  will be called rtc-mt2712.
1858 	  This enables support for the real time clock built in the MediaTek
1861 	  This drive can also be built as a module. If so, the module
1862 	  will be called rtc-mt7622.
1865 	tristate "APM X-Gene RTC"
1869 	  If you say yes here you get support for the APM X-Gene SoC real time
1872 	  This driver can also be built as a module, if so, the module
1873 	  will be called "rtc-xgene".
1882 	   This driver can also be built as a module. If so, the module
1883 	   will be called rtc-pic32
1886 	tristate "EPSON TOYOCOM RTC-7301SF/DG"
1891 	   RTC-7301SF/DG chips.
1893 	   This driver can also be built as a module. If so, the module
1894 	   will be called rtc-r7301.
1901 	   If you say yes here you get support for the STM32 On-Chip
1904 	   This driver can also be built as a module, if so, the module
1905 	   will be called "rtc-stm32".
1930 	  This driver can also be built as a module, if so, the module
1931 	  will be called "rtc-aspeed".
1945 	  rtc-hid-sensor-time.
1965 	  This can also be built as a module. If so, the module will