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RTC Kconfig cleanup
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -102,7 +102,140 @@ config RTC_INTF_DEV_UIE_EMUL
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driver does not expose RTC_UIE ioctls. Those requests generate
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once-per-second update interrupts, used for synchronization.
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comment "RTC drivers"
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config RTC_DRV_TEST
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tristate "Test driver/device"
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depends on RTC_CLASS
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help
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If you say yes here you get support for the
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RTC test driver. It's a software RTC which can be
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used to test the RTC subsystem APIs. It gets
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the time from the system clock.
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You want this driver only if you are doing development
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on the RTC subsystem. Please read the source code
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for further details.
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This driver can also be built as a module. If so, the module
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will be called rtc-test.
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comment "I2C RTC drivers"
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depends on RTC_CLASS
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config RTC_DRV_DS1307
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tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for various compatible RTC
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chips (often with battery backup) connected with I2C. This driver
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should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
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and probably other chips. In some cases the RTC must already
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have been initialized (by manufacturing or a bootloader).
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The first seven registers on these chips hold an RTC, and other
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registers may add features such as NVRAM, a trickle charger for
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the RTC/NVRAM backup power, and alarms. This driver may not
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expose all those available chip features.
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1307.
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config RTC_DRV_DS1672
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tristate "Dallas/Maxim DS1672"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Dallas/Maxim DS1672 timekeeping chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1672.
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config RTC_DRV_MAX6900
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tristate "Maxim 6900"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you will get support for the
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Maxim MAX6900 I2C RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-max6900.
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config RTC_DRV_RS5C372
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tristate "Ricoh RS5C372A/B"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Ricoh RS5C372A and RS5C372B RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-rs5c372.
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config RTC_DRV_ISL1208
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tristate "Intersil 1208"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Intersil 1208 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-isl1208.
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config RTC_DRV_X1205
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tristate "Xicor/Intersil X1205"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Xicor/Intersil X1205 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-x1205.
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config RTC_DRV_PCF8563
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tristate "Philips PCF8563/Epson RTC8564"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Philips PCF8563 RTC chip. The Epson RTC8564
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should work as well.
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This driver can also be built as a module. If so, the module
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will be called rtc-pcf8563.
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config RTC_DRV_PCF8583
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tristate "Philips PCF8583"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the Philips PCF8583
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RTC chip found on Acorn RiscPCs. This driver supports the
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platform specific method of retrieving the current year from
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the RTC's SRAM. It will work on other platforms with the same
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chip, but the year will probably have to be tweaked.
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This driver can also be built as a module. If so, the module
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will be called rtc-pcf8583.
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comment "SPI RTC drivers"
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depends on RTC_CLASS
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config RTC_DRV_RS5C348
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tristate "Ricoh RS5C348A/B"
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depends on RTC_CLASS && SPI
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help
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If you say yes here you get support for the
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Ricoh RS5C348A and RS5C348B RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-rs5c348.
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config RTC_DRV_MAX6902
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tristate "Maxim 6902"
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depends on RTC_CLASS && SPI
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help
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If you say yes here you will get support for the
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Maxim MAX6902 SPI RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-max6902.
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comment "Platform RTC drivers"
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depends on RTC_CLASS
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# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
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@ -110,7 +243,7 @@ comment "RTC drivers"
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# global rtc_lock ... it's not yet just another platform_device.
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config RTC_DRV_CMOS
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tristate "PC-style 'CMOS' real time clock"
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tristate "PC-style 'CMOS'"
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depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \
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|| M32R || ATARI || POWERPC)
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help
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@ -128,34 +261,6 @@ config RTC_DRV_CMOS
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This driver can also be built as a module. If so, the module
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will be called rtc-cmos.
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config RTC_DRV_X1205
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tristate "Xicor/Intersil X1205"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Xicor/Intersil X1205 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-x1205.
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config RTC_DRV_DS1307
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tristate "Dallas/Maxim DS1307 and similar I2C RTC chips"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for various compatible RTC
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chips (often with battery backup) connected with I2C. This driver
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should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
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and probably other chips. In some cases the RTC must already
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have been initialized (by manufacturing or a bootloader).
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The first seven registers on these chips hold an RTC, and other
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registers may add features such as NVRAM, a trickle charger for
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the RTC/NVRAM backup power, and alarms. This driver may not
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expose all those available chip features.
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1307.
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config RTC_DRV_DS1553
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tristate "Dallas DS1553"
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depends on RTC_CLASS
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@ -166,26 +271,6 @@ config RTC_DRV_DS1553
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1553.
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config RTC_DRV_ISL1208
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tristate "Intersil 1208"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Intersil 1208 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-isl1208.
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config RTC_DRV_DS1672
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tristate "Dallas/Maxim DS1672"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Dallas/Maxim DS1672 timekeeping chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1672.
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config RTC_DRV_DS1742
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tristate "Dallas DS1742/1743"
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depends on RTC_CLASS
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@ -196,6 +281,29 @@ config RTC_DRV_DS1742
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This driver can also be built as a module. If so, the module
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will be called rtc-ds1742.
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config RTC_DRV_M48T86
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tristate "ST M48T86/Dallas DS12887"
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depends on RTC_CLASS
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help
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If you say Y here you will get support for the
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ST M48T86 and Dallas DS12887 RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-m48t86.
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config RTC_DRV_V3020
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tristate "EM Microelectronic V3020"
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depends on RTC_CLASS
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help
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If you say yes here you will get support for the
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EM Microelectronic v3020 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-v3020.
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comment "on-CPU RTC drivers"
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depends on RTC_CLASS
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config RTC_DRV_OMAP
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tristate "TI OMAP1"
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depends on RTC_CLASS && ( \
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@ -204,49 +312,6 @@ config RTC_DRV_OMAP
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Say "yes" here to support the real time clock on TI OMAP1 chips.
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This driver can also be built as a module called rtc-omap.
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config RTC_DRV_PCF8563
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tristate "Philips PCF8563/Epson RTC8564"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Philips PCF8563 RTC chip. The Epson RTC8564
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should work as well.
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This driver can also be built as a module. If so, the module
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will be called rtc-pcf8563.
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config RTC_DRV_PCF8583
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tristate "Philips PCF8583"
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depends on RTC_CLASS && I2C && ARCH_RPC
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help
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If you say yes here you get support for the Philips PCF8583
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RTC chip found on Acorn RiscPCs. This driver supports the
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platform specific method of retrieving the current year from
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the RTC's SRAM.
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This driver can also be built as a module. If so, the module
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will be called rtc-pcf8583.
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config RTC_DRV_RS5C348
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tristate "Ricoh RS5C348A/B"
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depends on RTC_CLASS && SPI
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help
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If you say yes here you get support for the
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Ricoh RS5C348A and RS5C348B RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-rs5c348.
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config RTC_DRV_RS5C372
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tristate "Ricoh RS5C372A/B"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you get support for the
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Ricoh RS5C372A and RS5C372B RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-rs5c372.
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config RTC_DRV_S3C
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tristate "Samsung S3C series SoC RTC"
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depends on RTC_CLASS && ARCH_S3C2410
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@ -263,16 +328,6 @@ config RTC_DRV_S3C
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This driver can also be build as a module. If so, the module
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will be called rtc-s3c.
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config RTC_DRV_M48T86
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tristate "ST M48T86/Dallas DS12887"
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depends on RTC_CLASS
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help
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If you say Y here you will get support for the
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ST M48T86 and Dallas DS12887 RTC chips.
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This driver can also be built as a module. If so, the module
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will be called rtc-m48t86.
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config RTC_DRV_EP93XX
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tristate "Cirrus Logic EP93XX"
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depends on RTC_CLASS && ARCH_EP93XX
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@ -318,7 +373,7 @@ config RTC_DRV_PL031
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depends on RTC_CLASS && ARM_AMBA
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help
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If you say Y here you will get access to ARM AMBA
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PrimeCell PL031 UART found on certain ARM SOCs.
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PrimeCell PL031 RTC found on certain ARM SOCs.
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To compile this driver as a module, choose M here: the
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module will be called rtc-pl031.
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@ -329,51 +384,6 @@ config RTC_DRV_AT91RM9200
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help
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Driver for the Atmel AT91RM9200's internal RTC (Realtime Clock).
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config RTC_DRV_TEST
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tristate "Test driver/device"
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depends on RTC_CLASS
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help
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If you say yes here you get support for the
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RTC test driver. It's a software RTC which can be
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used to test the RTC subsystem APIs. It gets
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the time from the system clock.
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You want this driver only if you are doing development
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on the RTC subsystem. Please read the source code
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for further details.
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This driver can also be built as a module. If so, the module
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will be called rtc-test.
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config RTC_DRV_MAX6900
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tristate "Maxim 6900"
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depends on RTC_CLASS && I2C
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help
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If you say yes here you will get support for the
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Maxim MAX6900 I2C RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-max6900.
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config RTC_DRV_MAX6902
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tristate "Maxim 6902"
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depends on RTC_CLASS && SPI
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help
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If you say yes here you will get support for the
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Maxim MAX6902 spi RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-max6902.
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config RTC_DRV_V3020
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tristate "EM Microelectronic V3020"
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depends on RTC_CLASS
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help
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If you say yes here you will get support for the
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EM Microelectronic v3020 RTC chip.
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This driver can also be built as a module. If so, the module
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will be called rtc-v3020.
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config RTC_DRV_BFIN
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tristate "Blackfin On-Chip RTC"
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depends on RTC_CLASS && BFIN
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