# RTC class/drivers configuration
#
-menu "Real Time Clock"
-
config RTC_LIB
tristate
-config RTC_CLASS
- tristate "RTC class"
- depends on EXPERIMENTAL
+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
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.
+ will be called rtc-core.
+
+if RTC_CLASS
config RTC_HCTOSYS
- bool "Set system time from RTC on startup"
+ bool "Set system time from RTC on startup and resume"
depends on RTC_CLASS = y
default y
help
- If you say yes here, the system time will be set using
- the value read from the specified RTC device. This is useful
- in order to avoid unnecessary fsck runs.
+ If you say yes here, the system time (wall clock) will be set using
+ the value read from a specified RTC device. This is useful to avoid
+ unnecessary fsck runs at boot time, and to network better.
config RTC_HCTOSYS_DEVICE
- string "The RTC to read the time from"
+ string "RTC used to set the system time"
depends on RTC_HCTOSYS = y
default "rtc0"
help
- The RTC device that will be used as the source for
- the system time, usually rtc0.
+ 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
+ device should record time in UTC, since the kernel won't do
+ timezone correction.
+
+ 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).
+
+ If the clock you specify here is not battery backed, it may still
+ be useful to reinitialize system time when resuming from system
+ sleep states. Do not specify an RTC here unless it stays powered
+ during all this system's supported sleep states.
config RTC_DEBUG
bool "RTC debug support"
and individual RTC drivers.
comment "RTC interfaces"
- depends on RTC_CLASS
config RTC_INTF_SYSFS
- tristate "sysfs"
- depends on RTC_CLASS && SYSFS
+ boolean "/sys/class/rtc/rtcN (sysfs)"
+ depends on SYSFS
default RTC_CLASS
help
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
- tristate "proc"
- depends on RTC_CLASS && PROC_FS
+ boolean "/proc/driver/rtc (procfs for rtc0)"
+ depends on PROC_FS
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
- tristate "dev"
- depends on RTC_CLASS
+ boolean "/dev/rtcN (character devices)"
default RTC_CLASS
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 underlaying rtc chip
- driver does not expose RTC_UIE ioctls. Those requests generate
+ Provides an emulation for RTC_UIE if the underlying rtc chip
+ driver does not expose RTC_UIE ioctls. Those requests generate
once-per-second update interrupts, used for synchronization.
-comment "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
-# global rtc_lock ... it's not yet just another platform_device.
+ 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_CMOS
- tristate "PC-style 'CMOS' real time clock"
- depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \
- || M32R || ATARI || POWERPC)
+config RTC_DRV_TEST
+ tristate "Test driver/device"
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.
- Specifically the original MC146818, compatibles like those in
- PC south bridges, the DS12887 or M48T86, some multifunction
- 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
- you can safely enable this driver if you don't know whether
- or not your board has this kind of hardware.
+ If you say yes here you get support for the
+ RTC test driver. It's a software RTC which can be
+ used to test the RTC subsystem APIs. It gets
+ the time from the system clock.
+ You want this driver only if you are doing development
+ on the RTC subsystem. Please read the source code
+ for further details.
This driver can also be built as a module. If so, the module
- will be called rtc-cmos.
+ will be called rtc-test.
-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.
+comment "I2C RTC drivers"
+ depends on I2C
- This driver can also be built as a module. If so, the module
- will be called rtc-x1205.
+if I2C
config RTC_DRV_DS1307
- tristate "Dallas/Maxim DS1307 and similar I2C RTC chips"
- depends on RTC_CLASS && I2C
+ 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. This driver may not
- expose all those available chip features.
+ 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
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_ISL1208
- tristate "Intersil 1208"
+config RTC_DRV_DS1374
+ tristate "Dallas/Maxim DS1374"
depends on RTC_CLASS && I2C
help
- If you say yes here you get support for the
- Intersil 1208 RTC chip.
+ If you say yes here you get support for Dallas Semiconductor
+ 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
- will be called rtc-isl1208.
+ will be called rtc-ds1374.
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.
This driver can also be built as a module. If so, the module
will be called rtc-ds1672.
-config RTC_DRV_DS1742
- tristate "Dallas DS1742/1743"
- depends on RTC_CLASS
+config RTC_DRV_MAX6900
+ tristate "Maxim MAX6900"
+ help
+ If you say yes here you will get support for the
+ Maxim MAX6900 I2C RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-max6900.
+
+config RTC_DRV_RS5C372
+ tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
help
If you say yes here you get support for the
- Dallas DS1742/1743 timekeeping chip.
+ 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-ds1742.
+ will be called rtc-rs5c372.
-config RTC_DRV_OMAP
- tristate "TI OMAP1"
- depends on RTC_CLASS && ( \
- ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 )
+config RTC_DRV_ISL1208
+ tristate "Intersil ISL1208"
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.
+ If you say yes here you get support for the
+ Intersil ISL1208 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-isl1208.
+
+config RTC_DRV_X1205
+ tristate "Xicor/Intersil X1205"
+ help
+ If you say yes here you get support for the
+ Xicor/Intersil X1205 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-x1205.
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 && ARCH_RPC
help
If you say yes here you get support for the Philips PCF8583
- RTC chip found on Acorn RiscPCs. This driver supports the
+ RTC chip found on Acorn RiscPCs. This driver supports the
platform specific method of retrieving the current year from
- the RTC's SRAM.
+ the RTC's SRAM. It will work on other platforms with the same
+ chip, but the year will probably have to be tweaked.
This driver can also be built as a module. If so, the module
will be called rtc-pcf8583.
+config RTC_DRV_M41T80
+ tristate "ST M41T62/65/M41T80/81/82/83/84/85/87"
+ help
+ 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 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 the ST M41T60 and M41T80 RTC chips series.
+
+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"
+ depends on 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
+ the Menelaus driver; it's not separate module.
+
+config RTC_DRV_TWL4030
+ tristate "TI TWL4030/TWL5030/TPS659x0"
+ depends on RTC_CLASS && TWL4030_CORE
+ help
+ If you say yes here you get support for the RTC on the
+ TWL4030 family chips, used mostly with OMAP3 platforms.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-twl4030.
+
+config RTC_DRV_S35390A
+ tristate "Seiko Instruments S-35390A"
+ select BITREVERSE
+ help
+ If you say yes here you will get support for the Seiko
+ Instruments S-35390A.
+
+ This driver can also be built as a module. If so the module
+ will be called rtc-s35390a.
+
+config RTC_DRV_FM3130
+ tristate "Ramtron FM3130"
+ help
+ If you say Y here you will get support for the
+ Ramtron FM3130 RTC chips.
+ Ramtron FM3130 is a chip with two separate devices inside,
+ RTC clock and FRAM. This driver provides only RTC functionality.
+
+ 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"
+
+if SPI_MASTER
+
+config RTC_DRV_M41T94
+ tristate "ST M41T94"
+ help
+ If you say yes here you will get support for the
+ ST M41T94 SPI RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-m41t94.
+
+config RTC_DRV_DS1305
+ 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
+ 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
+ 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_R9701
+ tristate "Epson RTC-9701JE"
+ help
+ If you say yes here you will get support for the
+ Epson RTC-9701JE SPI RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-r9701.
+
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
+config RTC_DRV_DS3234
+ tristate "Maxim/Dallas DS3234"
help
If you say yes here you get support for the
- Ricoh RS5C372A and RS5C372B RTC chips.
+ Maxim/Dallas DS3234 SPI RTC chip.
This driver can also be built as a module. If so, the module
- will be called rtc-rs5c372.
+ 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"
+
+# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
+# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
+# global rtc_lock ... it's not yet just another platform_device.
+
+config RTC_DRV_CMOS
+ tristate "PC-style 'CMOS'"
+ 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
+ found in every PC or ACPI-based system, and some other boards.
+ Specifically the original MC146818, compatibles like those in
+ PC south bridges, the DS12887 or M48T86, some multifunction
+ 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
+ you can safely enable this driver if you don't know whether
+ or not your board has this kind of hardware.
+
+ 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_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
+ help
+ If you say yes here you get support for the Dallas DS1302 RTC chips.
+
+config RTC_DRV_DS1511
+ tristate "Dallas DS1511"
+ depends on RTC_CLASS
+ help
+ If you say yes here you get support for the
+ Dallas DS1511 timekeeping/watchdog chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-ds1511.
+
+config RTC_DRV_DS1553
+ tristate "Maxim/Dallas DS1553"
+ help
+ If you say yes here you get support for the
+ Maxim/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_DS1742
+ tristate "Maxim/Dallas DS1742/1743"
+ help
+ If you say yes here you get support for the
+ Maxim/Dallas DS1742/1743 timekeeping chip.
+
+ 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
+ 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_M48T86
+ tristate "ST M48T86/Dallas DS12887"
+ 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_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/M48T08/M48T02"
+ help
+ If you say Y here you will get support for the
+ 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_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_V3020
+ tristate "EM Microelectronic V3020"
+ 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.
+
+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.
+
+
+comment "on-CPU RTC drivers"
+
+config RTC_DRV_OMAP
+ tristate "TI OMAP1"
+ 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
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
+ 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 && SUPERH && HAVE_CLK
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.
To compile this driver as a module, choose M here: the
module will be called rtc-vr41xx.
+config RTC_DRV_PL030
+ tristate "ARM AMBA PL030 RTC"
+ depends on ARM_AMBA
+ help
+ If you say Y here you will get access to ARM AMBA
+ PrimeCell PL030 RTC found on certain ARM SOCs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called rtc-pl030.
+
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 UART found on certain ARM SOCs.
+ PrimeCell PL031 RTC 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_AT32AP700X
+ tristate "AT32AP700X series RTC"
+ 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
+ tristate "AT91RM9200 or AT91SAM9RL"
+ 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
+ this is powered by the backup power supply.
+
+config RTC_DRV_AT91SAM9
+ tristate "AT91SAM9x/AT91CAP9"
+ depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
+ help
+ RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
+ (Real Time Timer). These timers are powered by the backup power
+ supply (such as a small coin cell battery), but do not need to
+ be used as RTCs.
+
+ (On AT91SAM9rl chips you probably want to use the dedicated RTC
+ module and leave the RTT available for other uses.)
+
+config RTC_DRV_AT91SAM9_RTT
+ int
+ range 0 1
+ default 0
+ 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
+ OK to use, though some systems use that for non-RTC purposes.
+
+config RTC_DRV_AT91SAM9_GPBR
+ int
+ range 0 3 if !ARCH_AT91SAM9263
+ range 0 15 if ARCH_AT91SAM9263
+ default 0
+ prompt "Backup Register Number"
+ 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
+ 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
- Driver for the Atmel AT91RM9200's internal RTC (Realtime Clock).
+ If you say yes here you will get support for the
+ Blackfin On-Chip Real Time 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-bfin.
+
+config RTC_DRV_RS5C313
+ tristate "Ricoh RS5C313"
+ depends on SH_LANDISK
help
- If you say yes here you get support for the
- RTC test driver. It's a software RTC which can be
- used to test the RTC subsystem APIs. It gets
- the time from the system clock.
- You want this driver only if you are doing development
- on the RTC subsystem. Please read the source code
- for further details.
+ If you say yes here you get support for the Ricoh RS5C313 RTC chips.
+
+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
+ 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
+ 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-test.
+ will be called rtc-mv.
-config RTC_DRV_MAX6902
- tristate "Maxim 6902"
- depends on RTC_CLASS && SPI
+config RTC_DRV_PS3
+ tristate "PS3 RTC"
+ depends on PPC_PS3
help
- If you say yes here you will get support for the
- Maxim MAX6902 spi RTC chip.
+ 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-max6902.
+ will be called rtc-ps3.
-config RTC_DRV_V3020
- tristate "EM Microelectronic V3020"
- depends on RTC_CLASS
+config RTC_DRV_COH901331
+ tristate "ST-Ericsson COH 901 331 RTC"
+ depends on ARCH_U300
help
- If you say yes here you will get support for the
- EM Microelectronic v3020 RTC chip.
+ 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-v3020.
+ will be called "rtc-coh901331".
-config RTC_DRV_BFIN
- tristate "Blackfin On-Chip RTC"
- depends on RTC_CLASS && BFIN
+
+config RTC_DRV_STMP
+ tristate "Freescale STMP3xxx RTC"
+ depends on ARCH_STMP3XXX
help
- If you say yes here you will get support for the
- Blackfin On-Chip Real Time Clock.
+ 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-bfin.
+ 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.
-endmenu
+endif # RTC_CLASS
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff