diff options
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 104 |
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. |