help
Generic RTC class support. If you say yes here, you will
be allowed to plug one or more RTCs to your system. You will
- probably want to enable one of more of the interfaces below.
+ probably want to enable one or more of the interfaces below.
This driver can also be built as a module. If so, the module
will be called rtc-class.
This driver can also be built as a module. If so, the module
will be called rtc-dev.
+config RTC_INTF_DEV_UIE_EMUL
+ bool "RTC UIE emulation on dev interface"
+ depends on RTC_INTF_DEV
+ help
+ Provides an emulation for RTC_UIE if the underlaying rtc chip
+ driver did not provide RTC_UIE ioctls.
+
comment "RTC drivers"
depends on RTC_CLASS
This driver can also be built as a module. If so, the module
will be called rtc-x1205.
+config RTC_DRV_DS1307
+ tristate "Dallas/Maxim DS1307 and similar I2C RTC chips"
+ depends on RTC_CLASS && I2C
+ help
+ If you say yes here you get support for various compatible RTC
+ chips (often with battery backup) connected with I2C. This driver
+ should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
+ and probably other chips. In some cases the RTC must already
+ have been initialized (by manufacturing or a bootloader).
+
+ The first seven registers on these chips hold an RTC, and other
+ registers may add features such as NVRAM, a trickle charger for
+ the RTC/NVRAM backup power, and alarms. This driver may not
+ expose all those available chip features.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1307.
+
+config RTC_DRV_DS1553
+ tristate "Dallas DS1553"
+ depends on RTC_CLASS
+ help
+ If you say yes here you get support for the
+ Dallas DS1553 timekeeping chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1553.
+
config RTC_DRV_DS1672
tristate "Dallas/Maxim DS1672"
depends on RTC_CLASS && I2C
This driver can also be built as a module. If so, the module
will be called rtc-ds1672.
+config RTC_DRV_DS1742
+ tristate "Dallas DS1742"
+ depends on RTC_CLASS
+ help
+ If you say yes here you get support for the
+ Dallas DS1742 timekeeping chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1742.
+
config RTC_DRV_PCF8563
tristate "Philips PCF8563/Epson RTC8564"
depends on RTC_CLASS && I2C
This driver can also be built as a module. If so, the module
will be called rtc-pcf8563.
+config RTC_DRV_PCF8583
+ tristate "Philips PCF8583"
+ depends on RTC_CLASS && I2C
+ help
+ If you say yes here you get support for the
+ Philips PCF8583 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-pcf8583.
+
+config RTC_DRV_RS5C348
+ tristate "Ricoh RS5C348A/B"
+ depends on RTC_CLASS && SPI
+ help
+ If you say yes here you get support for the
+ Ricoh RS5C348A and RS5C348B RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rs5c348.
+
+config RTC_DRV_RS5C372
+ tristate "Ricoh RS5C372A/B"
+ depends on RTC_CLASS && I2C
+ help
+ If you say yes here you get support for the
+ Ricoh RS5C372A and RS5C372B RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rs5c372.
+
+config RTC_DRV_S3C
+ tristate "Samsung S3C series SoC RTC"
+ depends on RTC_CLASS && ARCH_S3C2410
+ help
+ RTC (Realtime Clock) driver for the clock inbuilt into the
+ Samsung S3C24XX series of SoCs. This can provide periodic
+ interrupt rates from 1Hz to 64Hz for user programs, and
+ wakeup from Alarm.
+
+ The driver currently supports the common features on all the
+ S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
+ and S3C2442.
+
+ This driver can also be build as a module. If so, the module
+ will be called rtc-s3c.
+
+config RTC_DRV_M48T86
+ tristate "ST M48T86/Dallas DS12887"
+ depends on RTC_CLASS
+ help
+ If you say Y here you will get support for the
+ ST M48T86 and Dallas DS12887 RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-m48t86.
+
+config RTC_DRV_EP93XX
+ tristate "Cirrus Logic EP93XX"
+ depends on RTC_CLASS && ARCH_EP93XX
+ help
+ If you say yes here you get support for the
+ RTC embedded in the Cirrus Logic EP93XX processors.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ep93xx.
+
+config RTC_DRV_SA1100
+ tristate "SA11x0/PXA2xx"
+ depends on RTC_CLASS && (ARCH_SA1100 || ARCH_PXA)
+ help
+ If you say Y here you will get access to the real time clock
+ built into your SA11x0 or PXA2xx CPU.
+
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-sa1100.
+
+config RTC_DRV_VR41XX
+ tristate "NEC VR41XX"
+ depends on RTC_CLASS && CPU_VR41XX
+ help
+ If you say Y here you will get access to the real time clock
+ built into your NEC VR41XX CPU.
+
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-vr41xx.
+
+config RTC_DRV_PL031
+ tristate "ARM AMBA PL031 RTC"
+ depends on RTC_CLASS && ARM_AMBA
+ help
+ If you say Y here you will get access to ARM AMBA
+ PrimeCell PL031 UART found on certain ARM SOCs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-pl031.
+
+config RTC_DRV_AT91
+ tristate "AT91RM9200"
+ depends on RTC_CLASS && ARCH_AT91RM9200
+ help
+ Driver for the Atmel AT91RM9200's internal RTC (Realtime Clock).
+
config RTC_DRV_TEST
tristate "Test driver/device"
depends on RTC_CLASS
This driver can also be built as a module. If so, the module
will be called rtc-test.
+config RTC_DRV_MAX6902
+ tristate "Maxim 6902"
+ depends on RTC_CLASS && SPI
+ help
+ If you say yes here you will get support for the
+ Maxim MAX6902 spi RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-max6902.
+
+config RTC_DRV_V3020
+ tristate "EM Microelectronic V3020"
+ depends on RTC_CLASS
+ help
+ If you say yes here you will get support for the
+ EM Microelectronic v3020 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-v3020.
+
endmenu
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