default "rtc0"
help
The RTC device that will be used to (re)initialize the system
- clock, usually rtc0. Initialization is done when the system
- starts up, and when it resumes from a low power state. This
+ clock, usually rtc0. Initialization is done when the system
+ starts up, and when it resumes from a low power state. This
device should record time in UTC, since the kernel won't do
timezone correction.
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
+ time when the system boots from a power-off state. Otherwise, your
system will need an external clock source (like an NTP server).
If the clock you specify here is not battery backed, it may still
Say yes here if you want to use your RTCs using sysfs interfaces,
/sys/class/rtc/rtc0 through /sys/.../rtcN.
- This driver can also be built as a module. If so, the module
- will be called rtc-sysfs.
+ If unsure, say Y.
config RTC_INTF_PROC
boolean "/proc/driver/rtc (procfs for rtc0)"
default RTC_CLASS
help
Say yes here if you want to use your first RTC through the proc
- interface, /proc/driver/rtc. Other RTCs will not be available
+ interface, /proc/driver/rtc. Other RTCs will not be available
through that API.
- This driver can also be built as a module. If so, the module
- will be called rtc-proc.
+ If unsure, say Y.
config RTC_INTF_DEV
boolean "/dev/rtcN (character devices)"
help
Say yes here if you want to use your RTCs using the /dev
interfaces, which "udev" sets up as /dev/rtc0 through
- /dev/rtcN. You may want to set up a symbolic link so one
- of these can be accessed as /dev/rtc, which is a name
- expected by "hwclock" and some other programs.
+ /dev/rtcN.
- This driver can also be built as a module. If so, the module
- will be called rtc-dev.
+ You may want to set up a symbolic link so one of these
+ can be accessed as /dev/rtc, which is a name
+ expected by "hwclock" and some other programs. Recent
+ versions of "udev" are known to set up the symlink for you.
+
+ If unsure, say Y.
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 underlying rtc chip
- driver does not expose RTC_UIE ioctls. Those requests generate
+ driver does not expose RTC_UIE ioctls. Those requests generate
once-per-second update interrupts, used for synchronization.
+ The emulation code will read the time from the hardware
+ clock several times per second, please enable this option
+ only if you know that you really need it.
+
config RTC_DRV_TEST
tristate "Test driver/device"
help
if I2C
config RTC_DRV_DS1307
- tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00"
+ tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
help
If you say yes here you get support for various compatible RTC
- chips (often with battery backup) connected with I2C. This driver
+ 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).
+ EPSON RX-8025 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. NVRAM is visible in
+ the RTC/NVRAM backup power, and alarms. NVRAM is visible in
sysfs, but other chip features may not be available.
This driver can also be built as a module. If so, the module
depends on RTC_CLASS && I2C
help
If you say yes here you get support for Dallas Semiconductor
- DS1374 real-time clock chips. If an interrupt is associated
+ DS1374 real-time clock chips. If an interrupt is associated
with the device, the alarm functionality is supported.
- This driver can also be built as a module. If so, the module
+ This driver can also be built as a module. If so, the module
will be called rtc-ds1374.
config RTC_DRV_DS1672
This driver can also be built as a module. If so, the module
will be called rtc-max6900.
+config RTC_DRV_MAX8925
+ tristate "Maxim MAX8925"
+ depends on MFD_MAX8925
+ help
+ If you say yes here you will get support for the
+ RTC of Maxim MAX8925 PMIC.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-max8925.
+
config RTC_DRV_RS5C372
- tristate "Ricoh RS5C372A/B, RV5C386, RV5C387A"
+ tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
help
If you say yes here you get support for the
- Ricoh RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
+ Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
This driver can also be built as a module. If so, the module
will be called rtc-rs5c372.
will be called rtc-pcf8583.
config RTC_DRV_M41T80
- tristate "ST M41T80/81/82/83/84/85/87"
+ tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
help
- If you say Y here you will get support for the
- ST M41T80 RTC chips series. Currently following chips are
- supported: M41T80, M41T81, M41T82, M41T83, M41ST84, M41ST85
- and M41ST87.
+ If you say Y here you will get support for the ST M41T60
+ and M41T80 RTC chips series. Currently, the following chips are
+ supported: M41T62, M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84,
+ M41ST85, and M41ST87.
This driver can also be built as a module. If so, the module
will be called rtc-m41t80.
config RTC_DRV_M41T80_WDT
- bool "ST M41T80 series RTC watchdog timer"
+ bool "ST M41T65/M41T80 series RTC watchdog timer"
depends on RTC_DRV_M41T80
help
If you say Y here you will get support for the
- watchdog timer in ST M41T80 RTC chips series.
+ watchdog timer in the ST M41T60 and M41T80 RTC chips series.
+
+config RTC_DRV_BQ32K
+ tristate "TI BQ32000"
+ help
+ If you say Y here you will get support for the TI
+ BQ32000 I2C RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-bq32k.
+
+config RTC_DRV_DM355EVM
+ tristate "TI DaVinci DM355 EVM RTC"
+ depends on MFD_DM355EVM_MSP
+ help
+ Supports the RTC firmware in the MSP430 on the DM355 EVM.
config RTC_DRV_TWL92330
boolean "TI TWL92330/Menelaus"
help
If you say yes here you get support for the RTC on the
TWL92330 "Menelaus" power management chip, used with OMAP2
- platforms. The support is integrated with the rest of
+ platforms. The support is integrated with the rest of
the Menelaus driver; it's not separate module.
+config RTC_DRV_TWL4030
+ tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0"
+ depends on RTC_CLASS && TWL4030_CORE
+ help
+ If you say yes here you get support for the RTC on the
+ TWL4030/TWL5030/TWL6030 family chips, used mostly with OMAP3 platforms.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-twl.
+
config RTC_DRV_S35390A
tristate "Seiko Instruments S-35390A"
select BITREVERSE
This driver can also be built as a module. If so the module
will be called rtc-fm3130.
+config RTC_DRV_RX8581
+ tristate "Epson RX-8581"
+ help
+ If you say yes here you will get support for the Epson RX-8581.
+
+ This driver can also be built as a module. If so the module
+ will be called rtc-rx8581.
+
+config RTC_DRV_RX8025
+ tristate "Epson RX-8025SA/NB"
+ help
+ If you say yes here you get support for the Epson
+ RX-8025SA/NB RTC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rx8025.
+
endif # I2C
comment "SPI RTC drivers"
tristate "Dallas/Maxim DS1305/DS1306"
help
Select this driver to get support for the Dallas/Maxim DS1305
- and DS1306 real time clock chips. These support a trickle
+ and DS1306 real time clock chips. These support a trickle
charger, alarms, and NVRAM in addition to the clock.
This driver can also be built as a module. If so, the module
will be called rtc-ds1305.
+config RTC_DRV_DS1390
+ tristate "Dallas/Maxim DS1390/93/94"
+ help
+ If you say yes here you get support for the
+ Dallas/Maxim DS1390/93/94 chips.
+
+ This driver only supports the RTC feature, and not other chip
+ features such as alarms and trickle charging.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1390.
+
config RTC_DRV_MAX6902
tristate "Maxim MAX6902"
help
This driver can also be built as a module. If so, the module
will be called rtc-rs5c348.
+config RTC_DRV_DS3234
+ tristate "Maxim/Dallas DS3234"
+ help
+ If you say yes here you get support for the
+ Maxim/Dallas DS3234 SPI RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds3234.
+
+config RTC_DRV_PCF2123
+ tristate "NXP PCF2123"
+ help
+ If you say yes here you get support for the NXP PCF2123
+ RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-pcf2123.
+
endif # SPI_MASTER
comment "Platform RTC drivers"
config RTC_DRV_CMOS
tristate "PC-style 'CMOS'"
- depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS
+ depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS || SPARC64
default y if X86
help
Say "yes" here to get direct support for the real time clock
or LPC bus chips, and so on.
Your system will need to define the platform device used by
- this driver, otherwise it won't be accessible. This means
+ this driver, otherwise it won't be accessible. This means
you can safely enable this driver if you don't know whether
or not your board has this kind of hardware.
help
If you say yes here you get support for the Dallas DS1216 RTC chips.
+config RTC_DRV_DS1286
+ tristate "Dallas DS1286"
+ help
+ If you say yes here you get support for the Dallas DS1286 RTC chips.
+
config RTC_DRV_DS1302
tristate "Dallas DS1302"
depends on SH_SECUREEDGE5410
This driver can also be built as a module. If so, the module
will be called rtc-ds1742.
+config RTC_DRV_EFI
+ tristate "EFI RTC"
+ depends on IA64
+ help
+ If you say yes here you will get support for the EFI
+ Real Time Clock.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-efi.
+
config RTC_DRV_STK17TA8
tristate "Simtek STK17TA8"
depends on RTC_CLASS
This driver can also be built as a module. If so, the module
will be called rtc-m48t86.
+config RTC_DRV_M48T35
+ tristate "ST M48T35"
+ help
+ If you say Y here you will get support for the
+ ST M48T35 RTC chip.
+
+ This driver can also be built as a module, if so, the module
+ will be called "rtc-m48t35".
+
config RTC_DRV_M48T59
- tristate "ST M48T59"
+ tristate "ST M48T59/M48T08/M48T02"
help
If you say Y here you will get support for the
- ST M48T59 RTC chip.
+ ST M48T59 RTC chip and compatible ST M48T08 and M48T02.
+
+ These chips are usually found in Sun SPARC and UltraSPARC
+ workstations.
This driver can also be built as a module, if so, the module
will be called "rtc-m48t59".
+config RTC_DRV_MSM6242
+ tristate "Oki MSM6242"
+ help
+ If you say yes here you get support for the Oki MSM6242
+ timekeeping chip. It is used in some Amiga models (e.g. A2000).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-msm6242.
+
+config RTC_MXC
+ tristate "Freescale MXC Real Time Clock"
+ depends on ARCH_MXC
+ depends on RTC_CLASS
+ help
+ If you say yes here you get support for the Freescale MXC
+ RTC module.
+
+ This driver can also be built as a module, if so, the module
+ will be called "rtc-mxc".
+
+config RTC_DRV_BQ4802
+ tristate "TI BQ4802"
+ help
+ If you say Y here you will get support for the TI
+ BQ4802 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-bq4802.
+
+config RTC_DRV_RP5C01
+ tristate "Ricoh RP5C01"
+ help
+ If you say yes here you get support for the Ricoh RP5C01
+ timekeeping chip. It is used in some Amiga models (e.g. A3000
+ and A4000).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rp5c01.
+
config RTC_DRV_V3020
tristate "EM Microelectronic V3020"
help
This driver can also be built as a module. If so, the module
will be called rtc-v3020.
+config RTC_DRV_WM831X
+ tristate "Wolfson Microelectronics WM831x RTC"
+ depends on MFD_WM831X
+ help
+ If you say yes here you will get support for the RTC subsystem
+ of the Wolfson Microelectronics WM831X series PMICs.
+
+ This driver can also be built as a module. If so, the module
+ will be called "rtc-wm831x".
+
+config RTC_DRV_WM8350
+ tristate "Wolfson Microelectronics WM8350 RTC"
+ depends on MFD_WM8350
+ help
+ If you say yes here you will get support for the RTC subsystem
+ of the Wolfson Microelectronics WM8350.
+
+ This driver can also be built as a module. If so, the module
+ will be called "rtc-wm8350".
+
+config RTC_DRV_PCF50633
+ depends on MFD_PCF50633
+ tristate "NXP PCF50633 RTC"
+ help
+ If you say yes here you get support for the RTC subsystem of the
+ NXP PCF50633 used in embedded systems.
+
+config RTC_DRV_AB3100
+ tristate "ST-Ericsson AB3100 RTC"
+ depends on AB3100_CORE
+ default y if AB3100_CORE
+ help
+ Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
+ support. This chip contains a battery- and capacitor-backed RTC.
+
+config RTC_DRV_NUC900
+ tristate "NUC910/NUC920 RTC driver"
+ depends on RTC_CLASS && ARCH_W90X900
+ help
+ If you say yes here you get support for the RTC subsystem of the
+ NUC910/NUC920 used in embedded systems.
+
comment "on-CPU RTC drivers"
+config RTC_DRV_DAVINCI
+ tristate "TI DaVinci RTC"
+ depends on ARCH_DAVINCI_DM365
+ help
+ If you say yes here you get support for the RTC on the
+ DaVinci platforms (DM365).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-davinci.
+
config RTC_DRV_OMAP
tristate "TI OMAP1"
- depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730
+ depends on ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 || ARCH_DAVINCI_DA8XX
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.
+ Say "yes" here to support the real time clock on TI OMAP1 and
+ DA8xx/OMAP-L13x 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 ARCH_S3C2410
+ depends on ARCH_S3C2410 || ARCH_S3C64XX
help
RTC (Realtime Clock) driver for the clock inbuilt into the
Samsung S3C24XX series of SoCs. This can provide periodic
config RTC_DRV_SH
tristate "SuperH On-Chip RTC"
- depends on RTC_CLASS && SUPERH
+ depends on RTC_CLASS && SUPERH && HAVE_CLK
help
Say Y here to enable support for the on-chip RTC found in
most SuperH processors.
depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL
help
Driver for the internal RTC (Realtime Clock) module found on
- Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips
+ Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips
this is powered by the backup power supply.
config RTC_DRV_AT91SAM9
prompt "RTT module Number" if ARCH_AT91SAM9263
depends on RTC_DRV_AT91SAM9
help
- More than one RTT module is available. You can choose which
- one will be used as an RTC. The default of zero is normally
+ More than one RTT module is available. You can choose which
+ one will be used as an RTC. The default of zero is normally
OK to use, though some systems use that for non-RTC purposes.
config RTC_DRV_AT91SAM9_GPBR
depends on RTC_DRV_AT91SAM9
help
The RTC driver needs to use one of the General Purpose Backup
- Registers (GPBRs) as well as the RTT. You can choose which one
- will be used. The default of zero is normally OK to use, but
+ Registers (GPBRs) as well as the RTT. You can choose which one
+ will be used. The default of zero is normally OK to use, but
on some systems other software needs to use that register.
+config RTC_DRV_AU1XXX
+ tristate "Au1xxx Counter0 RTC support"
+ depends on SOC_AU1X00
+ help
+ This is a driver for the Au1xxx on-chip Counter0 (Time-Of-Year
+ counter) to be used as a RTC.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-au1xxx.
+
config RTC_DRV_BFIN
tristate "Blackfin On-Chip RTC"
depends on BLACKFIN && !BF561
help
If you say yes here you get support for the Ricoh RS5C313 RTC chips.
-config RTC_DRV_PPC
- tristate "PowerPC machine dependent RTC support"
- depends on PPC_MERGE
+config RTC_DRV_GENERIC
+ tristate "Generic RTC support"
+ # Please consider writing a new RTC driver instead of using the generic
+ # RTC abstraction
+ depends on PARISC || M68K || PPC || SUPERH32
+ help
+ Say Y or M here to enable RTC support on systems using the generic
+ RTC abstraction. If you do not know what you are doing, you should
+ just say Y.
+
+config RTC_DRV_PXA
+ tristate "PXA27x/PXA3xx"
+ depends on ARCH_PXA
help
- The PowerPC kernel has machine-specific functions for accessing
- the RTC. This exposes that functionality through the generic RTC
- class.
+ If you say Y here you will get access to the real time clock
+ built into your PXA27x or PXA3xx CPU.
+
+ This RTC driver uses PXA RTC registers available since pxa27x
+ series (RDxR, RYxR) instead of legacy RCNR, RTAR.
+
+
+config RTC_DRV_SUN4V
+ bool "SUN4V Hypervisor RTC"
+ depends on SPARC64
+ help
+ If you say Y here you will get support for the Hypervisor
+ based RTC on SUN4V systems.
+
+config RTC_DRV_STARFIRE
+ bool "Starfire RTC"
+ depends on SPARC64
+ help
+ If you say Y here you will get support for the RTC found on
+ Starfire systems.
+
+config RTC_DRV_TX4939
+ tristate "TX4939 SoC"
+ depends on SOC_TX4939
+ help
+ Driver for the internal RTC (Realtime Clock) module found on
+ Toshiba TX4939 SoC.
+
+config RTC_DRV_MV
+ tristate "Marvell SoC RTC"
+ depends on ARCH_KIRKWOOD || ARCH_DOVE
+ help
+ If you say yes here you will get support for the in-chip RTC
+ that can be found in some of Marvell's SoC devices, such as
+ the Kirkwood 88F6281 and 88F6192.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-mv.
+
+config RTC_DRV_PS3
+ tristate "PS3 RTC"
+ depends on PPC_PS3
+ help
+ If you say yes here you will get support for the RTC on PS3.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ps3.
+
+config RTC_DRV_COH901331
+ tristate "ST-Ericsson COH 901 331 RTC"
+ depends on ARCH_U300
+ help
+ If you say Y here you will get access to ST-Ericsson
+ COH 901 331 RTC clock found in some ST-Ericsson Mobile
+ Platforms.
+
+ This driver can also be built as a module. If so, the module
+ will be called "rtc-coh901331".
+
+
+config RTC_DRV_STMP
+ tristate "Freescale STMP3xxx RTC"
+ depends on ARCH_STMP3XXX
+ help
+ If you say yes here you will get support for the onboard
+ STMP3xxx RTC.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-stmp3xxx.
+
+config RTC_DRV_PCAP
+ tristate "PCAP RTC"
+ depends on EZX_PCAP
+ help
+ If you say Y here you will get support for the RTC found on
+ the PCAP2 ASIC used on some Motorola phones.
+
+config RTC_DRV_MC13783
+ depends on MFD_MC13783
+ tristate "Freescale MC13783 RTC"
+ help
+ This enables support for the Freescale MC13783 PMIC RTC
+
+config RTC_DRV_MPC5121
+ tristate "Freescale MPC5121 built-in RTC"
+ depends on PPC_MPC512x && RTC_CLASS
+ help
+ If you say yes here you will get support for the
+ built-in RTC MPC5121.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-mpc5121.
endif # RTC_CLASS
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff