Lines Matching +full:snvs +full:- +full:rtc
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.
187 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
190 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
193 will be called rtc-ab-b5ze-s3.
197 tristate "Abracon AB-RTCMC-32.768kHz-EOZ9"
200 AB-RTCMC-32.768kHz-EOA9 I2C RTC chip.
203 will be called rtc-ab-e0z9.
210 families of ultra-low-power battery- and capacitor-backed real-time
214 will be called rtc-abx80x.
217 tristate "X-Powers AC100"
220 If you say yes here you get support for the real-time clock found
221 in X-Powers AC100 family peripheral ICs.
224 will be called rtc-ac100.
227 tristate "Broadcom STB wake-timer"
231 If you say yes here you get support for the wake-timer found on
235 be called rtc-brcmstb-waketimer.
238 tristate "ams AS3722 RTC driver"
241 If you say yes here you get support for the RTC of ams AS3722 PMIC
245 will be called rtc-as3722.
248 tristate "Dallas/Maxim DS1307/37/38/39/40/41, ST M41T00, EPSON RX-8025, ISL12057"
252 If you say yes here you get support for various compatible RTC
255 ST M41T00, EPSON RX-8025, Intersil ISL12057 and probably other chips.
256 In some cases the RTC must already have been initialized (by
259 The first seven registers on these chips hold an RTC, and other
261 the RTC/NVRAM backup power, and alarms. NVRAM is visible in
265 will be called rtc-ds1307.
268 bool "Century bit support for rtc-ds1307"
279 the RTC date and then boot a kernel with this option set.
285 DS1374 real-time clock chips. If an interrupt is associated
289 will be called rtc-ds1374.
298 real-time clock chips.
307 will be called rtc-ds1672.
313 Say Y to enable support for the HYM8563 I2C RTC chip. Apart
314 from the usual rtc functions it provides a clock output of
318 will be called rtc-hym8563.
321 tristate "TI LP8788 RTC driver"
324 Say Y to enable support for the LP8788 RTC/ALARM driver.
330 Maxim MAX6900 I2C RTC chip.
333 will be called rtc-max6900.
341 RTC of Maxim MAX8907 PMIC.
344 will be called rtc-max8907.
351 RTC of Maxim MAX8925 PMIC.
354 will be called rtc-max8925.
361 RTC of Maxim MAX8998 PMIC.
364 will be called rtc-max8998.
371 RTC of Maxim MAX8997 PMIC.
374 will be called rtc-max8997.
381 RTC of Maxim MAX77686/MAX77620/MAX77802 PMIC.
384 will be called rtc-max77686.
390 If you say yes here you get support for the Nuvoton NCT3018Y I2C RTC
394 called "rtc-nct3018y".
397 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 RTC"
401 RTC of RK805, RK809 and RK817, RK808 and RK818 PMIC.
404 will be called rk808-rtc.
410 Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
413 will be called rtc-rs5c372.
419 Intersil ISL1208 RTC chip.
422 will be called rtc-isl1208.
429 Intersil ISL12022 RTC chip.
432 will be called rtc-isl12022.
439 Intersil ISL12026 RTC chip.
442 will be called rtc-isl12026.
448 Xicor/Intersil X1205 RTC chip.
451 will be called rtc-x1205.
457 If you say yes here you get support for the NXP PCF8523 RTC
461 will be called rtc-pcf8523.
467 If you say yes here you get support for the PCF85063 RTC chip
470 will be called rtc-pcf85063.
476 If you say yes here you get support for the PCF85363 RTC chip.
479 will be called rtc-pcf85363.
481 The nvmem interface will be named pcf85363-#, where # is the
482 zero-based instance number.
488 Philips PCF8563 RTC chip. The Epson RTC8564
492 will be called rtc-pcf8563.
498 RTC chip found on Acorn RiscPCs. This driver supports the
500 the RTC's SRAM. It will work on other platforms with the same
504 will be called rtc-pcf8583.
510 and M41T80 RTC chips series. Currently, the following chips are
515 will be called rtc-m41t80.
518 bool "ST M41T65/M41T80 series RTC watchdog timer"
522 watchdog timer in the ST M41T60 and M41T80 RTC chips series.
525 tristate "ROHM BD71815 and BD71828 PMIC RTC"
528 If you say Y here you will get support for the RTC
532 will be called rtc-bd70528.
538 BQ32000 I2C RTC chip.
541 will be called rtc-bq32k.
547 If you say yes here you get support for the RTC on the
557 If you say yes here you get support for the RTC on the
561 will be called rtc-twl.
564 tristate "TI Palmas RTC driver"
567 If you say yes here you get support for the RTC of TI PALMA series PMIC
571 will be called rtc-palma.
574 tristate "TI TPS6586X RTC driver"
577 TI Power Management IC TPS6586X supports RTC functionality
578 along with alarm. This driver supports the RTC driver for
579 the TPS6586X RTC module.
582 tristate "TI TPS65910 RTC driver"
585 If you say yes here you get support for the RTC on the
589 will be called rtc-tps65910.
592 tristate "RICOH 5T583 RTC driver"
595 If you say yes here you get support for the RTC on the
599 will be called rtc-rc5t583.
602 tristate "RICOH RC5T619 RTC driver"
605 If you say yes here you get support for the RTC on the
609 will be called rtc-rc5t619.
612 tristate "Seiko Instruments S-35390A"
616 Instruments S-35390A.
619 will be called rtc-s35390a.
625 Ramtron FM3130 RTC chips.
627 RTC clock and FRAM. This driver provides only RTC functionality.
630 will be called rtc-fm3130.
636 If you say yes here you get support for the Epson RX8010SJ RTC
640 will be called rtc-rx8010.
643 tristate "Epson RX-8571/RX-8581"
646 If you say yes here you will get support for the Epson RX-8571/
647 RX-8581.
650 will be called rtc-rx8581.
653 tristate "Epson RX-8025SA/NB"
656 RX-8025SA/NB RTC chips.
659 will be called rtc-rx8025.
665 Microelectronic EM3027 RTC chips.
668 will be called rtc-em3027.
678 will be called rtc-rv3028.
688 will be called rtc-rv3032.
694 Epson RX8900 RTC chips.
697 will be called rtc-rv8803.
706 RTC of Samsung S2MPS14 and S5M PMIC series.
709 will be called rtc-s5m.
716 SD3078 RTC chips.
719 will be called rtc-sd3078
723 comment "SPI RTC drivers"
731 ST M41T93 SPI RTC chip.
734 will be called rtc-m41t93.
740 ST M41T94 SPI RTC chip.
743 will be called rtc-m41t94.
749 If you say yes here you get support for the Dallas DS1302 RTC chips.
752 will be called rtc-ds1302.
762 will be called rtc-ds1305.
773 will be called rtc-ds1343.
782 This driver only supports the RTC feature, and not other chip
786 will be called rtc-ds1347.
794 This driver supports the RTC feature and trickle charging but not
798 will be called rtc-ds1390.
804 Maxim MAX6916 SPI RTC chip.
806 This driver only supports the RTC feature, and not other chip
810 will be called rtc-max6916.
813 tristate "Epson RTC-9701JE"
816 Epson RTC-9701JE SPI RTC chip.
819 will be called rtc-r9701.
822 tristate "Epson RX-4581"
824 If you say yes here you will get support for the Epson RX-4581.
827 will be called rtc-rx4581.
833 Ricoh RS5C348A and RS5C348B RTC chips.
836 will be called rtc-rs5c348.
842 Maxim MAX6902 SPI RTC chip.
845 will be called rtc-max6902.
852 RTC chip.
855 will be called rtc-pcf2123.
863 will be called rtc-mcp795.
877 comment "SPI and I2C RTC drivers"
886 DS3232 and DS3234 real-time clock chips. If an interrupt is associated
890 will be called rtc-ds3232.
898 rtc-ds3232
907 If you say yes here you get support for the NXP PCF2127/29/31 RTC
916 will be called rtc-pcf2127.
925 RV3029 and RV3049 RTC chips.
928 will be called rtc-rv3029c2.
937 rtc-rv3029.
940 tristate "Epson RX-6110"
945 If you say yes here you will get support for the Epson RX-6110.
948 will be called rtc-rx6110.
950 comment "Platform RTC drivers"
952 # this 'CMOS' RTC driver is arch dependent because it requires
957 tristate "PC-style 'CMOS'"
964 found in every PC or ACPI-based system, and some other boards.
975 will be called rtc-cmos.
978 bool "Alpha PC-style CMOS"
984 Direct support for the real-time clock found on every Alpha
991 If you say yes here you get support for the Dallas DS1216 RTC chips.
997 If you say yes here you get support for the Dallas DS1286 RTC chips.
1007 will be called rtc-ds1511.
1017 will be called rtc-ds1553.
1029 will be called rtc-ds1685.
1043 systems, as well as EPPC-405-UC modules by electronic system design
1052 This is an older RTC chip, supplanted by the DS1685/DS1687 above,
1054 Cycle counters, plus a customer-specific, 8-byte ROM/Serial number.
1056 It also works for the even older DS1688/DS1691 RTC chips, which are
1066 This chip features 2kb of extended NV-SRAM. It may possibly be
1075 This chip features 4kb of extended NV-SRAM.
1083 This chip features 8kb of extended NV-SRAM.
1095 will be called rtc-ds1742.
1101 Dallas DS2404 RTC chip.
1104 will be called rtc-ds2404.
1107 tristate "Dialog DA9052/DA9053 RTC"
1110 Say y here to support the RTC driver for Dialog Semiconductor
1111 DA9052-BC and DA9053-AA/Bx PMICs.
1114 tristate "Dialog Semiconductor DA9055 RTC"
1118 RTC of the Dialog DA9055 PMIC.
1121 will be called rtc-da9055
1124 tristate "Dialog Semiconductor DA9063/DA9062 RTC"
1127 If you say yes here you will get support for the RTC subsystem
1131 will be called "rtc-da9063".
1134 tristate "EFI RTC"
1141 will be called rtc-efi.
1151 will be called rtc-stk17ta8.
1158 ST M48T86 and Dallas DS12887 RTC chips.
1161 will be called rtc-m48t86.
1168 ST M48T35 RTC chip.
1171 will be called "rtc-m48t35".
1178 ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
1184 will be called "rtc-m48t59".
1194 will be called rtc-msm6242.
1202 BQ4802 RTC chip.
1205 will be called rtc-bq4802.
1216 will be called rtc-rp5c01.
1219 tristate "Nintendo GameCube, Wii and Wii U RTC"
1223 If you say yes here you will get support for the RTC subsystem
1227 will be called "rtc-gamecube".
1230 tristate "Wolfson Microelectronics WM831x RTC"
1233 If you say yes here you will get support for the RTC subsystem
1237 will be called "rtc-wm831x".
1240 tristate "Wolfson Microelectronics WM8350 RTC"
1243 If you say yes here you will get support for the RTC subsystem
1247 will be called "rtc-wm8350".
1250 tristate "Spreadtrum SC27xx RTC"
1253 If you say Y here you will get support for the RTC subsystem
1258 will be called rtc-sc27xx.
1261 tristate "SPEAR ST RTC"
1265 If you say Y here you will get support for the RTC found on
1270 tristate "NXP PCF50633 RTC"
1272 If you say yes here you get support for the RTC subsystem of the
1276 tristate "ST-Ericsson AB8500 RTC"
1281 Select this to enable the ST-Ericsson AB8500 power management IC RTC
1282 support. This chip contains a battery- and capacitor-backed RTC.
1285 tristate "IBM OPAL RTC driver"
1289 If you say yes here you get support for the PowerNV platform RTC
1293 will be called rtc-opal.
1296 tristate "OP-TEE based RTC driver"
1299 Select this to get support for OP-TEE based RTC control on SoCs where
1300 RTC are not accessible to the normal world (Linux).
1303 will be called rtc-optee.
1306 tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
1309 If you say yes here you get support for the RTC controller found on
1313 tristate "Chrome OS EC RTC driver"
1317 Chrome OS Embedded Controller's RTC.
1320 will be called rtc-cros-ec.
1323 tristate "Netronix embedded controller RTC"
1326 Say yes here if you want to support the RTC functionality of the
1327 embedded controller found in certain e-book readers designed by the
1330 comment "on-CPU RTC drivers"
1333 tristate "Alphascale asm9260 RTC"
1336 If you say yes here you get support for the RTC on the
1340 will be called rtc-asm9260.
1343 tristate "Conexant Digicolor RTC"
1346 If you say yes here you get support for the RTC on Conexant
1350 will be called rtc-digicolor.
1357 Support for Freescale IMX DryIce RTC
1360 will be called "rtc-imxdi".
1373 will be called "rtc-fsl-ftm-alarm".
1376 tristate "Amlogic Meson RTC"
1380 Support for the RTC block on the Amlogic Meson6, Meson8, Meson8b
1384 will be called "rtc-meson".
1387 tristate "Amlogic Meson Virtual RTC"
1392 Virtual RTC of Amlogic SoCs.
1395 will be called rtc-meson-vrtc.
1405 present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx.
1408 will be called rtc-omap.
1411 tristate "Samsung S3C series SoC RTC"
1415 RTC (Realtime Clock) driver for the clock inbuilt into the
1421 will be called rtc-s3c.
1428 RTC embedded in the Cirrus Logic EP93XX processors.
1431 will be called rtc-ep93xx.
1441 module will be called rtc-sa1100.
1444 tristate "SuperH On-Chip RTC"
1447 Say Y here to enable support for the on-chip RTC found in
1448 most SuperH processors. This RTC is also found in RZ/A SoCs.
1451 module will be called rtc-sh.
1454 tristate "Sunplus SP7021 RTC"
1457 Say 'yes' to get support for the real-time clock present in
1458 Sunplus SP7021 - a SoC for industrial applications. It provides
1459 RTC status check, timer/alarm functionalities, user data
1460 reservation with the battery over 2.5V, RTC power status check
1464 will be called rtc-sunplus.
1467 tristate "ARM AMBA PL030 RTC"
1471 PrimeCell PL030 RTC found on certain ARM SOCs.
1474 module will be called rtc-pl030.
1477 tristate "ARM AMBA PL031 RTC"
1481 PrimeCell PL031 RTC found on certain ARM SOCs.
1484 module will be called rtc-pl031.
1487 tristate "AT91RM9200 or some AT91SAM9 RTC"
1491 Driver for the internal RTC (Realtime Clock) module found on
1496 tristate "AT91SAM9 RTT as RTC"
1502 can be used as an RTC thanks to the backup power supply (e.g. a
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
1508 RTC" driver.
1511 tristate "Au1xxx Counter0 RTC support"
1514 This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
1515 counter) to be used as a RTC.
1518 will be called rtc-au1xxx.
1524 If you say yes here you get support for the Ricoh RS5C313 RTC chips.
1527 tristate "Renesas RZ/N1 RTC"
1531 If you say yes here you get support for the Renesas RZ/N1 RTC.
1534 tristate "Generic RTC support"
1535 # Please consider writing a new RTC driver instead of using the generic
1536 # RTC abstraction
1539 Say Y or M here to enable RTC support on systems using the generic
1540 RTC abstraction. If you do not know what you are doing, you should
1549 built into your PXA27x or PXA3xx CPU. This RTC is actually 2 RTCs
1550 consisting of an SA1100 compatible RTC and the extended PXA RTC.
1552 This RTC driver uses PXA RTC registers available since pxa27x
1556 tristate "VIA/WonderMedia 85xx SoC RTC"
1564 bool "SUN4V Hypervisor RTC"
1568 based RTC on SUN4V systems.
1571 bool "Allwinner A31 RTC"
1576 If you say Y here you will get support for the RTC found in
1580 tristate "Allwinner sun4i/sun7i RTC"
1583 If you say Y here you will get support for the RTC found on
1587 bool "Starfire RTC"
1590 If you say Y here you will get support for the RTC found on
1594 tristate "Marvell SoC RTC"
1597 If you say yes here you will get support for the in-chip RTC
1602 will be called rtc-mv.
1605 tristate "Armada 38x Marvell SoC RTC"
1609 If you say yes here you will get support for the in-chip RTC
1613 will be called armada38x-rtc.
1616 tristate "Cadence RTC driver"
1619 If you say Y here you will get access to Cadence RTC IP
1623 module will be called rtc-cadence.
1626 tristate "Faraday Technology FTRTC010 RTC"
1634 will be called rtc-ftrtc010.
1637 tristate "PS3 RTC"
1640 If you say yes here you will get support for the RTC on PS3.
1643 will be called rtc-ps3.
1646 tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
1651 STMP3xxx/i.MX23/i.MX28 RTC.
1654 will be called rtc-stmp3xxx.
1657 tristate "PCAP RTC"
1660 If you say Y here you will get support for the RTC found on
1665 tristate "Freescale MC13xxx RTC"
1671 tristate "Freescale MPC5121 built-in RTC"
1675 built-in RTC on MPC5121 or on MPC5200.
1678 will be called rtc-mpc5121.
1685 If you say yes here you get support for the Ingenic JZ47xx SoCs RTC
1689 will be called rtc-jz4740.
1692 tristate "Loongson On-chip RTC"
1696 This is a driver for the Loongson on-chip Counter0 (Time-Of-Year
1697 counter) to be used as a RTC.
1698 It can be found on Loongson-1 series cpu, Loongson-2K series cpu
1702 will be called rtc-loongson.
1705 tristate "NXP RTC for LPC178x/18xx/408x/43xx"
1709 This enables support for the NXP RTC found which can be found on
1713 the hardware RTC. This driver can also be built as a module. If
1714 so, the module will be called rtc-lpc24xx.
1718 tristate "NXP LPC32XX RTC"
1720 This enables support for the NXP RTC in the LPC32XX
1723 will be called rtc-lpc32xx.
1726 tristate "Qualcomm PMIC8XXX RTC"
1730 Qualcomm PMIC8XXX RTC.
1733 module will be called rtc-pm8xxx.
1736 tristate "NVIDIA Tegra Internal RTC driver"
1740 Tegra 200 series internal RTC module.
1743 will be called rtc-tegra.
1752 RTC module.
1755 will be called "rtc-mxc".
1767 will be called "rtc-mxc_v2".
1770 tristate "Freescale SNVS RTC support"
1776 If you say yes here you get support for the Freescale SNVS
1777 Low Power (LP) RTC module.
1780 will be called "rtc-snvs".
1783 tristate "NXP BBNSM RTC support"
1789 If you say yes here you get support for the NXP BBNSM RTC module.
1792 will be called "rtc-bbnsm".
1797 tristate "NXP i.MX System Controller RTC support"
1800 Controller RTC module.
1803 tristate "STMicroelectronics LPC RTC"
1808 (LPC) based RTC support.
1811 module will be called rtc-st-lpc.
1814 tristate "MOXA ART RTC"
1818 RTC module.
1821 will be called rtc-moxart
1824 tristate "MediaTek MT2712 SoC based RTC"
1831 will be called rtc-mt2712.
1834 tristate "MediaTek PMIC based RTC"
1838 This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
1840 MediaTek(R) RTC driver.
1842 If you want to use MediaTek(R) RTC interface, select Y or M here.
1845 tristate "MediaTek SoC based RTC"
1852 will be called rtc-mt7622.
1855 tristate "APM X-Gene RTC"
1859 If you say yes here you get support for the APM X-Gene SoC real time
1863 will be called "rtc-xgene".
1866 tristate "Microchip PIC32 RTC"
1870 If you say yes here you get support for the PIC32 RTC module.
1873 will be called rtc-pic32
1876 tristate "EPSON TOYOCOM RTC-7301SF/DG"
1881 RTC-7301SF/DG chips.
1884 will be called rtc-r7301.
1887 tristate "STM32 RTC"
1891 If you say yes here you get support for the STM32 On-Chip
1895 will be called "rtc-stm32".
1899 tristate "Motorola CPCAP RTC"
1901 Say y here for CPCAP rtc found on some Motorola phones
1905 bool "Realtek RTD129x RTC"
1913 tristate "ASPEED RTC"
1921 will be called "rtc-aspeed".
1924 tristate "TI K3 RTC"
1932 will be called "rtc-ti-k3".
1934 comment "HID Sensor RTC drivers"
1946 rtc-hid-sensor-time.
1952 Say yes to enable RTC driver for the Goldfish based virtual platform.
1958 tristate "Wilco EC RTC"
1969 tristate "MStar MSC313 RTC"
1972 If you say yes here you get support for the Mstar MSC313e On-Chip
1976 will be called "rtc-msc313".
1979 tristate "Microchip PolarFire SoC built-in RTC"
1983 built-in RTC on Polarfire SoC.
1986 will be called "rtc-mpfs".