# RTC class/drivers configuration
#
-menu "Real Time Clock"
- depends on !S390
-
config RTC_LIB
tristate
-config RTC_CLASS
- tristate "RTC class"
+menuconfig RTC_CLASS
+ tristate "Real Time Clock"
default n
+ depends on !S390
select RTC_LIB
help
Generic RTC class support. If you say yes here, you will
This driver can also be built as a module. If so, the module
will be called rtc-class.
+if RTC_CLASS
+
config RTC_HCTOSYS
bool "Set system time from RTC on startup and resume"
depends on RTC_CLASS = y
clock, usually rtc0. Initialization is done when the system
starts up, and when it resumes from a low power state.
+ The driver for this RTC device must be loaded before late_initcall
+ functions run, so it must usually be statically linked.
+
This clock should be battery-backed, so that it reads the correct
time when the system boots from a power-off state. Otherwise, your
system will need an external clock source (like an NTP server).
and individual RTC drivers.
comment "RTC interfaces"
- depends on RTC_CLASS
config RTC_INTF_SYSFS
boolean "/sys/class/rtc/rtcN (sysfs)"
- depends on RTC_CLASS && SYSFS
+ depends on SYSFS
default RTC_CLASS
help
Say yes here if you want to use your RTCs using sysfs interfaces,
config RTC_INTF_PROC
boolean "/proc/driver/rtc (procfs for rtc0)"
- depends on RTC_CLASS && PROC_FS
+ depends on PROC_FS
default RTC_CLASS
help
Say yes here if you want to use your first RTC through the proc
config RTC_INTF_DEV
boolean "/dev/rtcN (character devices)"
- depends on RTC_CLASS
default RTC_CLASS
help
Say yes here if you want to use your RTCs using the /dev
config RTC_DRV_TEST
tristate "Test driver/device"
- depends on RTC_CLASS
help
If you say yes here you get support for the
RTC test driver. It's a software RTC which can be
will be called rtc-test.
comment "I2C RTC drivers"
- depends on RTC_CLASS && I2C
+ depends on I2C
+
+if I2C
config RTC_DRV_DS1307
tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00"
- 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
config RTC_DRV_DS1672
tristate "Dallas/Maxim DS1672"
- depends on RTC_CLASS && I2C
help
If you say yes here you get support for the
Dallas/Maxim DS1672 timekeeping chip.
config RTC_DRV_MAX6900
tristate "Maxim 6900"
- depends on RTC_CLASS && I2C
help
If you say yes here you will get support for the
Maxim MAX6900 I2C RTC chip.
config RTC_DRV_RS5C372
tristate "Ricoh RS5C372A/B, RV5C386, RV5C387A"
- depends on RTC_CLASS && I2C
help
If you say yes here you get support for the
Ricoh RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
config RTC_DRV_ISL1208
tristate "Intersil 1208"
- depends on RTC_CLASS && I2C
help
If you say yes here you get support for the
Intersil 1208 RTC chip.
config RTC_DRV_X1205
tristate "Xicor/Intersil X1205"
- depends on RTC_CLASS && I2C
help
If you say yes here you get support for the
Xicor/Intersil X1205 RTC chip.
config RTC_DRV_PCF8563
tristate "Philips PCF8563/Epson RTC8564"
- depends on RTC_CLASS && I2C
help
If you say yes here you get support for the
Philips PCF8563 RTC chip. The Epson RTC8564
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 found on Acorn RiscPCs. This driver supports the
config RTC_DRV_M41T80
tristate "ST M41T80 series RTC"
- depends on RTC_CLASS && I2C
help
If you say Y here you will get support for the
ST M41T80 RTC chips series. Currently following chips are
If you say Y here you will get support for the
watchdog timer in ST M41T80 RTC chips series.
+config RTC_DRV_TWL92330
+ boolean "TI TWL92330/Menelaus"
+ depends on MENELAUS
+ help
+ If you say yes here you get support for the RTC on the
+ TWL92330 "Menelaus" power mangement chip, used with OMAP2
+ platforms. The support is integrated with the rest of
+ the Menelaus driver; it's not separate module.
+
+endif # I2C
+
comment "SPI RTC drivers"
- depends on RTC_CLASS && SPI_MASTER
+
+if SPI_MASTER
config RTC_DRV_RS5C348
tristate "Ricoh RS5C348A/B"
- depends on RTC_CLASS && SPI_MASTER
help
If you say yes here you get support for the
Ricoh RS5C348A and RS5C348B RTC chips.
config RTC_DRV_MAX6902
tristate "Maxim 6902"
- depends on RTC_CLASS && SPI_MASTER
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.
+endif # SPI_MASTER
+
comment "Platform RTC drivers"
- depends on RTC_CLASS
# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
config RTC_DRV_CMOS
tristate "PC-style 'CMOS'"
- depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \
- || M32R || ATARI || PPC || MIPS)
+ depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS
help
Say "yes" here to get direct support for the real time clock
found in every PC or ACPI-based system, and some other boards.
This driver can also be built as a module. If so, the module
will be called rtc-cmos.
+config RTC_DRV_DS1216
+ tristate "Dallas DS1216"
+ depends on SNI_RM
+ help
+ If you say yes here you get support for the Dallas DS1216 RTC chips.
+
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_STK17TA8
+ tristate "Simtek STK17TA8"
+ depends on RTC_CLASS
+ help
+ If you say yes here you get support for the
+ Simtek STK17TA8 timekeeping chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-stk17ta8.
+
config RTC_DRV_DS1742
tristate "Dallas DS1742/1743"
- depends on RTC_CLASS
help
If you say yes here you get support for the
Dallas DS1742/1743 timekeeping chip.
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_M48T59
+ tristate "ST M48T59"
+ help
+ If you say Y here you will get support for the
+ ST M48T59 RTC chip.
+
+ This driver can also be built as a module, if so, the module
+ will be called "rtc-m48t59".
+
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.
will be called rtc-v3020.
comment "on-CPU RTC drivers"
- depends on RTC_CLASS
config RTC_DRV_OMAP
tristate "TI OMAP1"
- depends on RTC_CLASS && ( \
- ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 )
+ depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730
help
Say "yes" here to support the real time clock on TI OMAP1 chips.
This driver can also be built as a module called rtc-omap.
config RTC_DRV_S3C
tristate "Samsung S3C series SoC RTC"
- depends on RTC_CLASS && ARCH_S3C2410
+ depends on ARCH_S3C2410
help
RTC (Realtime Clock) driver for the clock inbuilt into the
Samsung S3C24XX series of SoCs. This can provide periodic
config RTC_DRV_EP93XX
tristate "Cirrus Logic EP93XX"
- depends on RTC_CLASS && ARCH_EP93XX
+ depends on ARCH_EP93XX
help
If you say yes here you get support for the
RTC embedded in the Cirrus Logic EP93XX processors.
config RTC_DRV_SA1100
tristate "SA11x0/PXA2xx"
- depends on RTC_CLASS && (ARCH_SA1100 || ARCH_PXA)
+ depends on 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.
config RTC_DRV_SH
tristate "SuperH On-Chip RTC"
- depends on RTC_CLASS && SUPERH
+ depends on RTC_CLASS && (CPU_SH3 || CPU_SH4)
help
Say Y here to enable support for the on-chip RTC found in
most SuperH processors.
config RTC_DRV_VR41XX
tristate "NEC VR41XX"
- depends on RTC_CLASS && CPU_VR41XX
+ depends on CPU_VR41XX
help
If you say Y here you will get access to the real time clock
built into your NEC VR41XX CPU.
config RTC_DRV_PL031
tristate "ARM AMBA PL031 RTC"
- depends on RTC_CLASS && ARM_AMBA
+ depends on ARM_AMBA
help
If you say Y here you will get access to ARM AMBA
PrimeCell PL031 RTC found on certain ARM SOCs.
config RTC_DRV_AT32AP700X
tristate "AT32AP700X series RTC"
- depends on RTC_CLASS && PLATFORM_AT32AP
+ depends on PLATFORM_AT32AP
help
Driver for the internal RTC (Realtime Clock) on Atmel AVR32
AT32AP700x family processors.
config RTC_DRV_AT91RM9200
tristate "AT91RM9200"
- depends on RTC_CLASS && ARCH_AT91RM9200
+ depends on ARCH_AT91RM9200
help
Driver for the Atmel AT91RM9200's internal RTC (Realtime Clock).
config RTC_DRV_BFIN
tristate "Blackfin On-Chip RTC"
- depends on RTC_CLASS && BFIN
+ depends on BFIN
help
If you say yes here you will get support for the
Blackfin On-Chip Real Time Clock.
config RTC_DRV_RS5C313
tristate "Ricoh RS5C313"
- depends on RTC_CLASS && SH_LANDISK
+ depends on SH_LANDISK
help
If you say yes here you get support for the Ricoh RS5C313 RTC chips.
-endmenu
+endif # RTC_CLASS