Kconfig - OpenGrok cross reference for /linux-6.15/drivers/rtc/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
3 # RTC class/drivers configuration
19 	  Generic RTC class support. If you say yes here, you will
26 	bool "Set system time from RTC on startup and resume"
30 	  the value read from a specified RTC device. This is useful to avoid
34 	string "RTC used to set the system time"
38 	  The RTC device that will be used to (re)initialize the system
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
50 	  sleep states. Do not specify an RTC here unless it stays powered
54 	bool "Set the RTC time based on NTP synchronization"
58 	  in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
62 	string "RTC used to synchronize NTP adjustment"
67 	  The RTC device used for NTP synchronization. The main difference
73 	bool "RTC debug support"
75 	  Say yes here to enable debugging support in the RTC framework
76 	  and individual RTC drivers.
79 	tristate "KUnit test for RTC lib functions" if !KUNIT_ALL_TESTS
83 	  Enable this option to test RTC library functions.
88 	bool "RTC non volatile storage support"
95 comment "RTC interfaces"
98 	bool "/sys/class/rtc/rtcN (sysfs)"
103 	  /sys/class/rtc/rtc0 through /sys/.../rtcN.
108 	bool "/proc/driver/rtc (procfs for rtcN)"
112 	  Say yes here if you want to use your system clock RTC through
113 	  the proc interface, /proc/driver/rtc.
115 	  If there is no RTC for the system clock, then the first RTC(rtc0)
129 	  can be accessed as /dev/rtc, which is a name
136 	bool "RTC UIE emulation on dev interface"
139 	  Provides an emulation for RTC_UIE if the underlying rtc chip
141 	  once-per-second update interrupts, used for synchronization.
151 	  RTC test driver. It's a software RTC which can be
152 	  used to test the RTC subsystem APIs. It gets
155 	  on the RTC subsystem. Please read the source code
159 	  will be called rtc-test.
161 comment "I2C RTC drivers"
169 	  If you say yes here you get support for RTC function in Marvell
173 	  will be called rtc-88pm860x.
179 	  If you say yes here you get support for RTC function in Marvell
183 	  will be called rtc-88pm80x.
186 	tristate "Marvell 88PM886 RTC driver"
189 	  If you say yes here you will get support for the RTC function in the
193 	  will be called rtc-88pm886.
197 	tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
200 	  AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
203 	  will be called rtc-ab-b5ze-s3.
207 	tristate "Abracon AB-RTCMC-32.768kHz-EOZ9"
210 	  AB-RTCMC-32.768kHz-EOA9 I2C RTC chip.
213 	  will be called rtc-ab-e0z9.
220 	  families of ultra-low-power  battery- and capacitor-backed real-time
224 	  will be called rtc-abx80x.
227 	tristate "X-Powers AC100"
230 	  If you say yes here you get support for the real-time clock found
231 	  in X-Powers AC100 family peripheral ICs.
234 	  will be called rtc-ac100.
237 	tristate "Broadcom STB wake-timer"
241 	  If you say yes here you get support for the wake-timer found on
245 	  be called rtc-brcmstb-waketimer.
248 	tristate "ams AS3722 RTC driver"
251 	  If you say yes here you get support for the RTC of ams AS3722 PMIC
255 	  will be called rtc-as3722.
258 	tristate "Dallas/Maxim DS1307/37/38/39/40/41, ST M41T00, EPSON RX-8025, ISL12057"
262 	  If you say yes here you get support for various compatible RTC
265 	  ST M41T00, EPSON RX-8025, Intersil ISL12057 and probably other chips.
266 	  In some cases the RTC must already have been initialized (by
269 	  The first seven registers on these chips hold an RTC, and other
271 	  the RTC/NVRAM backup power, and alarms. NVRAM is visible in
275 	  will be called rtc-ds1307.
278 	bool "Century bit support for rtc-ds1307"
289 	  the RTC date and then boot a kernel with this option set.
295 	  DS1374 real-time clock chips. If an interrupt is associated
299 	  will be called rtc-ds1374.
308 	  real-time clock chips.
317 	  will be called rtc-ds1672.
323 	  Say Y to enable support for the HYM8563 I2C RTC chip. Apart
324 	  from the usual rtc functions it provides a clock output of
328 	  will be called rtc-hym8563.
331 	tristate "TI LP8788 RTC driver"
334 	  Say Y to enable support for the LP8788 RTC/ALARM driver.
340 	  Maxim MAX6900 I2C RTC chip.
343 	  will be called rtc-max6900.
351 	  RTC of Maxim MAX8907 PMIC.
354 	  will be called rtc-max8907.
361 	  RTC of Maxim MAX8925 PMIC.
364 	  will be called rtc-max8925.
371 	  RTC of Maxim MAX8998 PMIC.
374 	  will be called rtc-max8998.
381 	  RTC of Maxim MAX8997 PMIC.
384 	  will be called rtc-max8997.
397 	  will be called rtc-max31335.
404 	  RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC.
407 	  will be called rtc-max77686.
413 	   If you say yes here you get support for the Nuvoton NCT3018Y I2C RTC
417 	   called "rtc-nct3018y".
420 	tristate "Rockchip RK805/RK808/RK809/RK817/RK818 RTC"
424 	  RTC of RK805, RK809 and RK817, RK808 and RK818 PMIC.
427 	  will be called rk808-rtc.
433 	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
436 	  will be called rtc-rs5c372.
442 	  Intersil ISL1208 RTC chip.
445 	  will be called rtc-isl1208.
452 	  Intersil ISL12022 RTC chip.
455 	  will be called rtc-isl12022.
462 	  Intersil ISL12026 RTC chip.
465 	  will be called rtc-isl12026.
471 	  Xicor/Intersil X1205 RTC chip.
474 	  will be called rtc-x1205.
480 	  If you say yes here you get support for the NXP PCF8523 RTC
484 	  will be called rtc-pcf8523.
490 	  If you say yes here you get support for the PCF85063 RTC chip
493 	  will be called rtc-pcf85063.
499 	  If you say yes here you get support for the PCF85363 RTC chip.
502 	  will be called rtc-pcf85363.
504 	  The nvmem interface will be named pcf85363-#, where # is the
505 	  zero-based instance number.
512 	  Philips PCF8563 RTC chip. The Epson RTC8564
516 	  will be called rtc-pcf8563.
522 	  RTC chip found on Acorn RiscPCs. This driver supports the
524 	  the RTC's SRAM. It will work on other platforms with the same
528 	  will be called rtc-pcf8583.
534 	  and M41T80 RTC chips series. Currently, the following chips are
539 	  will be called rtc-m41t80.
542 	bool "ST M41T65/M41T80 series RTC watchdog timer"
546 	  watchdog timer in the ST M41T60 and M41T80 RTC chips series.
549 	tristate "ROHM BD71815 and BD71828 PMIC RTC"
552 	  If you say Y here you will get support for the RTC
556 	  will be called rtc-bd70528.
562 	  BQ32000 I2C RTC chip.
565 	  will be called rtc-bq32k.
571 	  If you say yes here you get support for the RTC on the
581 	  If you say yes here you get support for the RTC on the
585 	  will be called rtc-twl.
588 	tristate "TI Palmas RTC driver"
591 	  If you say yes here you get support for the RTC of TI PALMA series PMIC
595 	  will be called rtc-palma.
598 	tristate "TI TPS6586X RTC driver"
601 	  TI Power Management IC TPS6586X supports RTC functionality
602 	  along with alarm. This driver supports the RTC driver for
603 	  the TPS6586X RTC module.
606 	tristate "TI TPS6594 RTC driver"
610 	  TI Power Management IC TPS6594 supports RTC functionality
611 	  along with alarm. This driver supports the RTC driver for
612 	  the TPS6594 RTC module.
615 	  will be called rtc-tps6594.
618 	tristate "TI TPS65910 RTC driver"
621 	  If you say yes here you get support for the RTC on the
625 	  will be called rtc-tps65910.
628 	tristate "RICOH 5T583 RTC driver"
631 	  If you say yes here you get support for the RTC on the
635 	  will be called rtc-rc5t583.
638 	tristate "RICOH RC5T619 RTC driver"
641 	  If you say yes here you get support for the RTC on the
645 	  will be called rtc-rc5t619.
648 	tristate "Seiko Instruments S-35390A"
652 	  Instruments S-35390A.
655 	  will be called rtc-s35390a.
661 	  Ramtron FM3130 RTC chips.
663 	  RTC clock and FRAM. This driver provides only RTC functionality.
666 	  will be called rtc-fm3130.
672 	  If you say yes here you get support for the Epson RX8010SJ RTC
676 	  will be called rtc-rx8010.
683 	  If you say yes here you will get support for the Epson RX8111 RTC.
686 	  called rtc-rx8111.
689 	tristate "Epson RX-8571/RX-8581"
692 	  If you say yes here you will get support for the Epson RX-8571/
693 	  RX-8581.
696 	  will be called rtc-rx8581.
699 	tristate "Epson RX-8025SA/NB"
702 	  RX-8025SA/NB RTC chips.
705 	  will be called rtc-rx8025.
711 	  Microelectronic EM3027 RTC chips.
714 	  will be called rtc-em3027.
724 	  will be called rtc-rv3028.
734 	  will be called rtc-rv3032.
740 	  Epson RX8900 RTC chips.
743 	  will be called rtc-rv8803.
752 	  RTC of Samsung S2MPS14 and S5M PMIC series.
755 	  will be called rtc-s5m.
762 	  DFRobot SD2405AL I2C RTC Module.
765 	  will be called rtc-sd2405al.
772 	  SD3078 RTC chips.
775 	  will be called rtc-sd3078
779 comment "SPI RTC drivers"
787 	  ST M41T93 SPI RTC chip.
790 	  will be called rtc-m41t93.
796 	  ST M41T94 SPI RTC chip.
799 	  will be called rtc-m41t94.
805 	  If you say yes here you get support for the Dallas DS1302 RTC chips.
808 	  will be called rtc-ds1302.
818 	  will be called rtc-ds1305.
829 	  will be called rtc-ds1343.
838 	  This driver only supports the RTC feature, and not other chip
842 	  will be called rtc-ds1347.
850 	  This driver supports the RTC feature and trickle charging but not
854 	  will be called rtc-ds1390.
860 	  Maxim MAX6916 SPI RTC chip.
862 	  This driver only supports the RTC feature, and not other chip
866 	  will be called rtc-max6916.
869 	tristate "Epson RTC-9701JE"
872 	  Epson RTC-9701JE SPI RTC chip.
875 	  will be called rtc-r9701.
878 	tristate "Epson RX-4581"
880 	  If you say yes here you will get support for the Epson RX-4581.
883 	  will be called rtc-rx4581.
889 	  Ricoh RS5C348A and RS5C348B RTC chips.
892 	  will be called rtc-rs5c348.
898 	  Maxim MAX6902 SPI RTC chip.
901 	  will be called rtc-max6902.
908 	  RTC chip.
911 	  will be called rtc-pcf2123.
919 	  will be called rtc-mcp795.
933 comment "SPI and I2C RTC drivers"
942 	  DS3232 and DS3234 real-time clock chips. If an interrupt is associated
946 	  will be called rtc-ds3232.
954 	  rtc-ds3232
963 	  If you say yes here you get support for the NXP PCF2127/29/31 RTC
972 	  will be called rtc-pcf2127.
981 	  RV3029 and RV3049 RTC chips.
984 	  will be called rtc-rv3029c2.
993 	  rtc-rv3029.
996 	tristate "Epson RX-6110"
1001 	  If you say yes here you will get support for the Epson RX-6110.
1004 	  will be called rtc-rx6110.
1006 comment "Platform RTC drivers"
1008 # this 'CMOS' RTC driver is arch dependent because it requires
1013 	tristate "PC-style 'CMOS'"
1020 	  found in every PC or ACPI-based system, and some other boards.
1031 	  will be called rtc-cmos.
1034 	bool "Alpha PC-style CMOS"
1040 	  Direct support for the real-time clock found on every Alpha
1047 	  If you say yes here you get support for the Dallas DS1216 RTC chips.
1053 	  If you say yes here you get support for the Dallas DS1286 RTC chips.
1063 	  will be called rtc-ds1511.
1073 	  will be called rtc-ds1553.
1085 	  will be called rtc-ds1685.
1099 	  systems, as well as EPPC-405-UC modules by electronic system design
1108 	  This is an older RTC chip, supplanted by the DS1685/DS1687 above,
1110 	  Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
1112 	  It also works for the even older DS1688/DS1691 RTC chips, which are
1122 	  This chip features 2kb of extended NV-SRAM.  It may possibly be
1131 	  This chip features 4kb of extended NV-SRAM.
1139 	  This chip features 8kb of extended NV-SRAM.
1151 	  will be called rtc-ds1742.
1157 	  Dallas DS2404 RTC chip.
1160 	  will be called rtc-ds2404.
1163 	tristate "Dialog DA9052/DA9053 RTC"
1166 	  Say y here to support the RTC driver for Dialog Semiconductor
1167 	  DA9052-BC and DA9053-AA/Bx PMICs.
1170 	tristate "Dialog Semiconductor DA9055 RTC"
1174 	  RTC of the Dialog DA9055 PMIC.
1177 	  will be called rtc-da9055
1180 	tristate "Dialog Semiconductor DA9063/DA9062 RTC"
1183 	  If you say yes here you will get support for the RTC subsystem
1187 	  will be called "rtc-da9063".
1190 	tristate "EFI RTC"
1197 	  will be called rtc-efi.
1207 	  will be called rtc-stk17ta8.
1214 	  ST M48T86 and Dallas DS12887 RTC chips.
1217 	  will be called rtc-m48t86.
1224 	  ST M48T35 RTC chip.
1227 	  will be called "rtc-m48t35".
1234 	  ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
1240 	  will be called "rtc-m48t59".
1250 	  will be called rtc-msm6242.
1258 	  BQ4802 RTC chip.
1261 	  will be called rtc-bq4802.
1272 	  will be called rtc-rp5c01.
1275 	tristate "Nintendo GameCube, Wii and Wii U RTC"
1279 	  If you say yes here you will get support for the RTC subsystem
1283 	  will be called "rtc-gamecube".
1286 	tristate "Wolfson Microelectronics WM831x RTC"
1289 	  If you say yes here you will get support for the RTC subsystem
1293 	  will be called "rtc-wm831x".
1296 	tristate "Wolfson Microelectronics WM8350 RTC"
1299 	  If you say yes here you will get support for the RTC subsystem
1303 	  will be called "rtc-wm8350".
1306 	tristate "Spreadtrum SC27xx RTC"
1309 	  If you say Y here you will get support for the RTC subsystem
1314 	  will be called rtc-sc27xx.
1317 	tristate "SPEAR ST RTC"
1321 	 If you say Y here you will get support for the RTC found on
1325 	tristate "ST-Ericsson AB8500 RTC"
1330 	  Select this to enable the ST-Ericsson AB8500 power management IC RTC
1331 	  support. This chip contains a battery- and capacitor-backed RTC.
1334 	tristate "IBM OPAL RTC driver"
1338 	  If you say yes here you get support for the PowerNV platform RTC
1342 	  will be called rtc-opal.
1345 	tristate "OP-TEE based RTC driver"
1348 	  Select this to get support for OP-TEE based RTC control on SoCs where
1349 	  RTC are not accessible to the normal world (Linux).
1352 	  will be called rtc-optee.
1355 	tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
1358 	  If you say yes here you get support for the RTC controller found on
1362 	tristate "Chrome OS EC RTC driver"
1366 	  Chrome OS Embedded Controller's RTC.
1369 	  will be called rtc-cros-ec.
1372 	tristate "Netronix embedded controller RTC"
1375 	  Say yes here if you want to support the RTC functionality of the
1376 	  embedded controller found in certain e-book readers designed by the
1379 comment "on-CPU RTC drivers"
1382 	tristate "Alphascale asm9260 RTC"
1385 	  If you say yes here you get support for the RTC on the
1389 	  will be called rtc-asm9260.
1392 	tristate "Conexant Digicolor RTC"
1395 	  If you say yes here you get support for the RTC on Conexant
1399 	  will be called rtc-digicolor.
1406 	   Support for Freescale IMX DryIce RTC
1409 	   will be called "rtc-imxdi".
1422 	   will be called "rtc-fsl-ftm-alarm".
1425 	tristate "Amlogic Meson RTC"
1429 	   Support for the RTC block on the Amlogic Meson6, Meson8, Meson8b
1433 	   will be called "rtc-meson".
1436 	tristate "Amlogic Meson Virtual RTC"
1441 	  Virtual RTC of Amlogic SoCs.
1444 	  will be called rtc-meson-vrtc.
1454 	  present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
1457 	  will be called rtc-omap.
1460 	tristate "Samsung S3C series SoC RTC"
1464 	  RTC (Realtime Clock) driver for the clock inbuilt into the
1470 	  will be called rtc-s3c.
1477 	  RTC embedded in the Cirrus Logic EP93XX processors.
1480 	  will be called rtc-ep93xx.
1490 	  module will be called rtc-sa1100.
1493 	tristate "SuperH On-Chip RTC"
1496 	  Say Y here to enable support for the on-chip RTC found in
1497 	  most SuperH processors. This RTC is also found in RZ/A SoCs.
1500 	  module will be called rtc-sh.
1503 	tristate "Sunplus SP7021 RTC"
1506 	  Say 'yes' to get support for the real-time clock present in
1507 	  Sunplus SP7021 - a SoC for industrial applications. It provides
1508 	  RTC status check, timer/alarm functionalities, user data
1509 	  reservation with the battery over 2.5V, RTC power status check
1513 	  will be called rtc-sunplus.
1516 	tristate "ARM AMBA PL030 RTC"
1520 	  PrimeCell PL030 RTC found on certain ARM SOCs.
1523 	  module will be called rtc-pl030.
1526 	tristate "ARM AMBA PL031 RTC"
1530 	  PrimeCell PL031 RTC found on certain ARM SOCs.
1533 	  module will be called rtc-pl031.
1536 	tristate "AT91RM9200 or some AT91SAM9 RTC"
1540 	  Driver for the internal RTC (Realtime Clock) module found on
1545 	tristate "AT91SAM9 RTT as RTC"
1551 	  can be used as an RTC thanks to the backup power supply (e.g. a
1555 	  Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
1556 	  probably want to use the real RTC block instead of the "RTT as an
1557 	  RTC" driver.
1560 	tristate "Au1xxx Counter0 RTC support"
1563 	  This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1564 	  counter) to be used as a RTC.
1567 	  will be called rtc-au1xxx.
1573 	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1576 	tristate "Renesas RZ/N1 RTC"
1580 	  If you say yes here you get support for the Renesas RZ/N1 RTC.
1583 	tristate "Generic RTC support"
1584 	# Please consider writing a new RTC driver instead of using the generic
1585 	# RTC abstraction
1588 	  Say Y or M here to enable RTC support on systems using the generic
1589 	  RTC abstraction. If you do not know what you are doing, you should
1598 	 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1599 	 consisting of an SA1100 compatible RTC and the extended PXA RTC.
1601 	 This RTC driver uses PXA RTC registers available since pxa27x
1605 	tristate "VIA/WonderMedia 85xx SoC RTC"
1613 	bool "SUN4V Hypervisor RTC"
1617 	  based RTC on SUN4V systems.
1620 	bool "Allwinner A31 RTC"
1625 	  If you say Y here you will get support for the RTC found in
1629 	tristate "Allwinner sun4i/sun7i RTC"
1632 	  If you say Y here you will get support for the RTC found on
1636 	bool "Starfire RTC"
1639 	  If you say Y here you will get support for the RTC found on
1643 	tristate "Marvell SoC RTC"
1646 	  If you say yes here you will get support for the in-chip RTC
1651 	  will be called rtc-mv.
1654 	tristate "Armada 38x Marvell SoC RTC"
1658 	  If you say yes here you will get support for the in-chip RTC
1662 	  will be called armada38x-rtc.
1665 	tristate "Cadence RTC driver"
1668 	  If you say Y here you will get access to Cadence RTC IP
1672 	  module will be called rtc-cadence.
1675 	tristate "Faraday Technology FTRTC010 RTC"
1683 	  will be called rtc-ftrtc010.
1686 	tristate "PS3 RTC"
1689 	  If you say yes here you will get support for the RTC on PS3.
1692 	  will be called rtc-ps3.
1695 	tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1700 	  STMP3xxx/i.MX23/i.MX28 RTC.
1703 	  will be called rtc-stmp3xxx.
1706 	tristate "PCAP RTC"
1709 	  If you say Y here you will get support for the RTC found on
1714 	tristate "Freescale MC13xxx RTC"
1720 	tristate "Freescale MPC5121 built-in RTC"
1724 	  built-in RTC on MPC5121 or on MPC5200.
1727 	  will be called rtc-mpc5121.
1734 	  If you say yes here you get support for the Ingenic JZ47xx SoCs RTC
1738 	  will be called rtc-jz4740.
1741 	tristate "Loongson On-chip RTC"
1745 	  This is a driver for the Loongson on-chip Counter0 (Time-Of-Year
1746 	  counter) to be used as a RTC.
1747 	  It can be found on Loongson-1 series cpu, Loongson-2K series cpu
1751 	  will be called rtc-loongson.
1754 	tristate "NXP RTC for LPC178x/18xx/408x/43xx"
1759 	  This enables support for the NXP RTC found which can be found on
1763 	  the hardware RTC. This driver can also be built as a module. If
1764 	  so, the module will be called rtc-lpc24xx.
1768 	tristate "NXP LPC32XX RTC"
1770 	  This enables support for the NXP RTC in the LPC32XX
1773 	  will be called rtc-lpc32xx.
1776 	tristate "Qualcomm PMIC8XXX RTC"
1780 	  Qualcomm PMIC8XXX RTC.
1783 	  module will be called rtc-pm8xxx.
1786 	tristate "NVIDIA Tegra Internal RTC driver"
1790 	  Tegra 200 series internal RTC module.
1793 	  will be called rtc-tegra.
1802 	   RTC module.
1805 	   will be called "rtc-mxc".
1817 	   will be called "rtc-mxc_v2".
1820 	tristate "Freescale SNVS RTC support"
1827 	   Low Power (LP) RTC module.
1830 	   will be called "rtc-snvs".
1833 	tristate "NXP BBNSM RTC support"
1839 	   If you say yes here you get support for the NXP BBNSM RTC module.
1842 	   will be called "rtc-bbnsm".
1847 	tristate "NXP i.MX BBM SCMI RTC support"
1850 	  RTC module.
1853 	  module will be called rtc-imx-sm-bbm.
1858 	tristate "NXP i.MX System Controller RTC support"
1861 	   Controller RTC module.
1864 	tristate "STMicroelectronics LPC RTC"
1869 	  (LPC) based RTC support.
1872 	  module will be called rtc-st-lpc.
1875 	tristate "MOXA ART RTC"
1879 	   RTC module.
1882 	   will be called rtc-moxart
1885 	tristate "MediaTek MT2712 SoC based RTC"
1892 	  will be called rtc-mt2712.
1895 	tristate "MediaTek PMIC based RTC"
1899 	  This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
1901 	  MediaTek(R) RTC driver.
1903 	  If you want to use MediaTek(R) RTC interface, select Y or M here.
1906 	tristate "MediaTek SoC based RTC"
1913 	  will be called rtc-mt7622.
1916 	tristate "APM X-Gene RTC"
1920 	  If you say yes here you get support for the APM X-Gene SoC real time
1924 	  will be called "rtc-xgene".
1927 	tristate "Microchip PIC32 RTC"
1931 	   If you say yes here you get support for the PIC32 RTC module.
1934 	   will be called rtc-pic32
1937 	tristate "EPSON TOYOCOM RTC-7301SF/DG"
1942 	   RTC-7301SF/DG chips.
1945 	   will be called rtc-r7301.
1948 	tristate "STM32 RTC"
1958 	   If you say yes here you get support for the STM32 On-Chip
1962 	   will be called "rtc-stm32".
1966 	tristate "Motorola CPCAP RTC"
1968 	   Say y here for CPCAP rtc found on some Motorola phones
1972 	bool "Realtek RTD129x RTC"
1980 	tristate "ASPEED RTC"
1988 	  will be called "rtc-aspeed".
1991 	tristate "TI K3 RTC"
1999 	  will be called "rtc-ti-k3".
2002 	tristate "Nuvoton MA35D1 RTC"
2007 	   On-Chip Real Time Clock.
2010 	   will be called "rtc-ma35d1".
2013 	tristate "Renesas RTCA-3 RTC"
2016 	  If you say yes here you get support for the Renesas RTCA-3 RTC
2020 	  will be called "rtc-rtca3".
2022 comment "HID Sensor RTC drivers"
2034 	  rtc-hid-sensor-time.
2040 	  Say yes to enable RTC driver for the Goldfish based virtual platform.
2046 	tristate "Wilco EC RTC"
2057 	tristate "MStar MSC313 RTC"
2060 	  If you say yes here you get support for the Mstar MSC313e On-Chip
2064 	  will be called "rtc-msc313".
2067 	tristate "Microchip PolarFire SoC built-in RTC"
2071 	  built-in RTC on Polarfire SoC.
2074 	  will be called "rtc-mpfs".
2077 	tristate "SigmaStar SSD202D RTC"
2081 	  If you say yes here you get support for the SigmaStar SSD202D On-Chip
2085 	  will be called "rtc-ssd20xd".
2088 	tristate "Amlogic RTC"
2093 	  If you say yes here you get support for the RTC block on the
2097 	  will be called "rtc-amlogic-a4".