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linux_dsm_epyc7002/drivers/rtc/Kconfig
Anirudh Ghayal 9a9a54ad7a drivers/rtc: add support for Qualcomm PMIC8xxx RTC 
Add support for PMIC8xxx based RTC.  PMIC8xxx is Qualcomm's power
management IC that internally houses an RTC module.  This driver
communicates with the PMIC module over SSBI bus.

[akpm@linux-foundation.org: cosmetic tweaks]
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25 20:57:17 -07:00

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#
# RTC class/drivers configuration
#
config RTC_LIB
bool
menuconfig RTC_CLASS
bool "Real Time Clock"
default n
depends on !S390
select RTC_LIB
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 or more of the interfaces below.
if RTC_CLASS
config RTC_HCTOSYS
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 (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 "RTC used to set the system time"
depends on RTC_HCTOSYS = y
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
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"
depends on RTC_CLASS = y
help
Say yes here to enable debugging support in the RTC framework
and individual RTC drivers.
comment "RTC interfaces"
config RTC_INTF_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.
If unsure, say Y.
config RTC_INTF_PROC
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
through that API.
If unsure, say Y.
config RTC_INTF_DEV
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. 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
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 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-test.
comment "I2C RTC drivers"
depends on I2C
if I2C
config RTC_DRV_88PM860X
tristate "Marvell 88PM860x"
depends on RTC_CLASS && I2C && MFD_88PM860X
help
If you say yes here you get support for RTC function in Marvell
88PM860x chips.
This driver can also be built as a module. If so, the module
will be called rtc-88pm860x.
config RTC_DRV_DS1307
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
should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
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
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_DS1374
tristate "Dallas/Maxim DS1374"
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
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-ds1374.
config RTC_DRV_DS1672
tristate "Dallas/Maxim DS1672"
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_DS3232
tristate "Dallas/Maxim DS3232"
depends on RTC_CLASS && I2C
help
If you say yes here you get support for Dallas Semiconductor
DS3232 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-ds3232.
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_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_MAX8998
tristate "Maxim MAX8998"
depends on MFD_MAX8998
help
If you say yes here you will get support for the
RTC of Maxim MAX8998 PMIC.
This driver can also be built as a module. If so, the module
will be called rtc-max8998.
config RTC_DRV_RS5C372
tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
help
If you say yes here you get support for the
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.
config RTC_DRV_ISL1208
tristate "Intersil ISL1208"
help
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_ISL12022
tristate "Intersil ISL12022"
help
If you say yes here you get support for the
Intersil ISL12022 RTC chip.
This driver can also be built as a module. If so, the module
will be called rtc-isl12022.
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"
help
If you say yes here you get support for the
Philips PCF8563 RTC chip. The Epson RTC8564
should work as well.
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"
help
If you say yes here you get support for the Philips PCF8583
RTC chip found on Acorn RiscPCs. This driver supports the
platform specific method of retrieving the current year from
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_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"
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/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
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.
config RTC_DRV_EM3027
tristate "EM Microelectronic EM3027"
help
If you say yes here you get support for the EM
Microelectronic EM3027 RTC chips.
This driver can also be built as a module. If so, the module
will be called rtc-em3027.
config RTC_DRV_RV3029C2
tristate "Micro Crystal RTC"
help
If you say yes here you get support for the Micro Crystal
RV3029-C2 RTC chips.
This driver can also be built as a module. If so, the module
will be called rtc-rv3029c2.
endif # I2C
comment "SPI RTC drivers"
if SPI_MASTER
config RTC_DRV_M41T93
tristate "ST M41T93"
help
If you say yes here you will get support for the
ST M41T93 SPI RTC chip.
This driver can also be built as a module. If so, the module
will be called rtc-m41t93.
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"
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_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"
# 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_VRTC
tristate "Virtual RTC for Moorestown platforms"
depends on X86_MRST
default y if X86_MRST
help
Say "yes" here to get direct support for the real time clock
found on Moorestown platforms. The VRTC is a emulated RTC that
derives its clock source from a real RTC in the PMIC. The MC146818
style programming interface is mostly conserved, but any
updates are done via IPC calls to the system controller FW.
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_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_DRV_IMXDI
tristate "Freescale IMX DryIce Real Time Clock"
depends on ARCH_MX25
depends on RTC_CLASS
help
Support for Freescale IMX DryIce RTC
This driver can also be built as a module, if so, the module
will be called "rtc-imxdi".
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
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_SPEAR
tristate "SPEAR ST RTC"
depends on PLAT_SPEAR
default y
help
If you say Y here you will get support for the RTC found on
spear
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_AB8500
tristate "ST-Ericsson AB8500 RTC"
depends on AB8500_CORE
help
Select this to enable the ST-Ericsson AB8500 power management 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 || ARCH_DAVINCI_DA8XX
help
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 HAVE_S3C_RTC
bool
help
This will include RTC support for Samsung SoCs. If
you want to include RTC support for any machine, kindly
select this in the respective mach-XXXX/Kconfig file.
config RTC_DRV_S3C
tristate "Samsung S3C series SoC RTC"
depends on ARCH_S3C2410 || ARCH_S3C64XX || HAVE_S3C_RTC
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_EP93XX
tristate "Cirrus Logic EP93XX"
depends on 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 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_SH
tristate "SuperH On-Chip RTC"
depends on RTC_CLASS && SUPERH && HAVE_CLK
help
Say Y here to enable support for the on-chip RTC found in
most SuperH processors.
To compile this driver as a module, choose M here: the
module will be called rtc-sh.
config RTC_DRV_VR41XX
tristate "NEC 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 ARM_AMBA
help
If you say Y here you will get access to ARM AMBA
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 or some AT91SAM9 RTC"
depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
help
Driver for the internal RTC (Realtime Clock) module found on
Atmel AT91RM9200's and some AT91SAM9 chips. On AT91SAM9 chips
this is powered by the backup power supply.
config RTC_DRV_AT91SAM9
tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
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 and AT91SAM9G45 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 MIPS_ALCHEMY
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 will get support for the
Blackfin On-Chip Real Time Clock.
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 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_VT8500
tristate "VIA/WonderMedia 85xx SoC RTC"
depends on ARCH_VT8500
help
If you say Y here you will get access to the real time clock
built into your VIA VT8500 SoC or its relatives.
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/i.MX23/i.MX28 RTC"
depends on ARCH_MXS
help
If you say yes here you will get support for the onboard
STMP3xxx/i.MX23/i.MX28 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_MC13XXX
depends on MFD_MC13XXX
tristate "Freescale MC13xxx RTC"
help
This enables support for the RTCs found on Freescale's PMICs
MC13783 and MC13892.
config RTC_DRV_MPC5121
tristate "Freescale MPC5121 built-in RTC"
depends on PPC_MPC512x || PPC_MPC52xx
help
If you say yes here you will get support for the
built-in RTC on MPC5121 or on MPC5200.
This driver can also be built as a module. If so, the module
will be called rtc-mpc5121.
config RTC_DRV_JZ4740
tristate "Ingenic JZ4740 SoC"
depends on RTC_CLASS
depends on MACH_JZ4740
help
If you say yes here you get support for the Ingenic JZ4740 SoC RTC
controller.
This driver can also be buillt as a module. If so, the module
will be called rtc-jz4740.
config RTC_DRV_LPC32XX
depends on ARCH_LPC32XX
tristate "NXP LPC32XX RTC"
help
This enables support for the NXP RTC in the LPC32XX
This driver can also be buillt as a module. If so, the module
will be called rtc-lpc32xx.
config RTC_DRV_PM8XXX
tristate "Qualcomm PMIC8XXX RTC"
depends on MFD_PM8XXX
help
If you say yes here you get support for the
Qualcomm PMIC8XXX RTC.
To compile this driver as a module, choose M here: the
module will be called rtc-pm8xxx.
config RTC_DRV_TEGRA
tristate "NVIDIA Tegra Internal RTC driver"
depends on RTC_CLASS && ARCH_TEGRA
help
If you say yes here you get support for the
Tegra 200 series internal RTC module.
This drive can also be built as a module. If so, the module
will be called rtc-tegra.
config RTC_DRV_TILE
tristate "Tilera hypervisor RTC support"
depends on TILE
help
Enable support for the Linux driver side of the Tilera
hypervisor's real-time clock interface.
config RTC_DRV_PUV3
tristate "PKUnity v3 RTC support"
depends on ARCH_PUV3
help
This enables support for the RTC in the PKUnity-v3 SoCs.
This drive can also be built as a module. If so, the module
will be called rtc-puv3.
endif # RTC_CLASS
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