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Diffstat (limited to 'drivers/rtc/Kconfig')
-rw-r--r--drivers/rtc/Kconfig104
1 files changed, 67 insertions, 37 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 5e963df9e565..db2fe4ab4b4a 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -12,7 +12,7 @@ menuconfig RTC_CLASS
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
+ 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
@@ -25,17 +25,9 @@ config RTC_HCTOSYS
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_SYSTOHC
- bool "Set the RTC time based on NTP synchronization"
- default y
- help
- If you say yes here, the system time (wall clock) will be stored
- in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
- minutes if userspace reports synchronized NTP status.
-
config RTC_HCTOSYS_DEVICE
string "RTC used to set the system time"
- depends on RTC_HCTOSYS = y || RTC_SYSTOHC = y
+ depends on RTC_HCTOSYS
default "rtc0"
help
The RTC device that will be used to (re)initialize the system
@@ -56,6 +48,25 @@ config RTC_HCTOSYS_DEVICE
sleep states. Do not specify an RTC here unless it stays powered
during all this system's supported sleep states.
+config RTC_SYSTOHC
+ bool "Set the RTC time based on NTP synchronization"
+ default y
+ help
+ If you say yes here, the system time (wall clock) will be stored
+ in the RTC specified by RTC_HCTOSYS_DEVICE approximately every 11
+ minutes if userspace reports synchronized NTP status.
+
+config RTC_SYSTOHC_DEVICE
+ string "RTC used to synchronize NTP adjustment"
+ depends on RTC_SYSTOHC
+ default RTC_HCTOSYS_DEVICE if RTC_HCTOSYS
+ default "rtc0"
+ help
+ The RTC device used for NTP synchronization. The main difference
+ between RTC_HCTOSYS_DEVICE and RTC_SYSTOHC_DEVICE is that this
+ one can sleep when setting time, because it runs in the workqueue
+ context.
+
config RTC_DEBUG
bool "RTC debug support"
help
@@ -135,7 +146,7 @@ if I2C
config RTC_DRV_88PM860X
tristate "Marvell 88PM860x"
- depends on I2C && MFD_88PM860X
+ depends on MFD_88PM860X
help
If you say yes here you get support for RTC function in Marvell
88PM860x chips.
@@ -145,7 +156,7 @@ config RTC_DRV_88PM860X
config RTC_DRV_88PM80X
tristate "Marvell 88PM80x"
- depends on I2C && MFD_88PM800
+ depends on MFD_88PM800
help
If you say yes here you get support for RTC function in Marvell
88PM80x chips.
@@ -154,10 +165,9 @@ config RTC_DRV_88PM80X
will be called rtc-88pm80x.
config RTC_DRV_ABB5ZES3
- depends on I2C
- select REGMAP_I2C
- tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
- help
+ select REGMAP_I2C
+ tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
+ help
If you say yes here you get support for the Abracon
AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
@@ -204,7 +214,6 @@ config RTC_DRV_DS1307
config RTC_DRV_DS1374
tristate "Dallas/Maxim DS1374"
- depends on I2C
help
If you say yes here you get support for Dallas Semiconductor
DS1374 real-time clock chips. If an interrupt is associated
@@ -232,7 +241,6 @@ config RTC_DRV_DS1672
config RTC_DRV_DS3232
tristate "Dallas/Maxim DS3232"
- depends on I2C
help
If you say yes here you get support for Dallas Semiconductor
DS3232 real-time clock chips. If an interrupt is associated
@@ -243,7 +251,7 @@ config RTC_DRV_DS3232
config RTC_DRV_HYM8563
tristate "Haoyu Microelectronics HYM8563"
- depends on I2C && OF
+ depends on OF
help
Say Y to enable support for the HYM8563 I2C RTC chip. Apart
from the usual rtc functions it provides a clock output of
@@ -365,10 +373,9 @@ config RTC_DRV_ISL12022
will be called rtc-isl12022.
config RTC_DRV_ISL12057
- depends on I2C
- select REGMAP_I2C
- tristate "Intersil ISL12057"
- help
+ select REGMAP_I2C
+ tristate "Intersil ISL12057"
+ help
If you say yes here you get support for the Intersil ISL12057
I2C RTC chip.
@@ -603,13 +610,13 @@ 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.
+ 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.
+ 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"
@@ -1200,7 +1207,7 @@ config RTC_DRV_SH
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
+ To compile this driver as a module, choose M here: the
module will be called rtc-sh.
config RTC_DRV_VR41XX
@@ -1299,14 +1306,14 @@ config RTC_DRV_GENERIC
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.
+ 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.
+ 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"
@@ -1372,6 +1379,17 @@ config RTC_DRV_ARMADA38X
This driver can also be built as a module. If so, the module
will be called armada38x-rtc.
+config RTC_DRV_GEMINI
+ tristate "Gemini SoC RTC"
+ depends on ARCH_GEMINI || COMPILE_TEST
+ depends on HAS_IOMEM
+ help
+ If you say Y here you will get support for the
+ RTC found on Gemini SoC's.
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-gemini.
+
config RTC_DRV_PS3
tristate "PS3 RTC"
depends on PPC_PS3
@@ -1396,6 +1414,7 @@ config RTC_DRV_COH901331
config RTC_DRV_STMP
tristate "Freescale STMP3xxx/i.MX23/i.MX28 RTC"
depends on ARCH_MXS
+ select STMP_DEVICE
help
If you say yes here you will get support for the onboard
STMP3xxx/i.MX23/i.MX28 RTC.
@@ -1541,9 +1560,20 @@ config RTC_DRV_MOXART
This driver can also be built as a module. If so, the module
will be called rtc-moxart
+config RTC_DRV_MT6397
+ tristate "Mediatek Real Time Clock driver"
+ depends on MFD_MT6397 || COMPILE_TEST
+ help
+ This selects the Mediatek(R) RTC driver. RTC is part of Mediatek
+ MT6397 PMIC. You should enable MT6397 PMIC MFD before select
+ Mediatek(R) RTC driver.
+
+ If you want to use Mediatek(R) RTC interface, select Y or M here.
+
config RTC_DRV_XGENE
tristate "APM X-Gene RTC"
depends on HAS_IOMEM
+ depends on ARCH_XGENE || COMPILE_TEST
help
If you say yes here you get support for the APM X-Gene SoC real time
clock.