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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2016-03-07 00:27:48 +0900 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2016-03-14 17:08:35 +0100 |
| commit | 080481f54ef621211d6c75a03dc652fb6ed04222 (patch) | |
| tree | fec4fb13bc3670f85568f650a13ac936a34d2914 /drivers/rtc/Kconfig | |
| parent | 370927c4b651539c65dd8d17dd5079526cd8401d (diff) | |
| download | linux-080481f54ef621211d6c75a03dc652fb6ed04222.tar.bz2 | |
rtc: merge ds3232 and ds3234
According to "Feature Comparison of the DS323x Real-Time Clocks"
(http://pdfserv.maximintegrated.com/en/an/AN5143.pdf), DS3232 and
DS3234 are very similar.
This merges rtc-ds3232 and rtc-ds3234 with using regmap.
This change also enables to support alarm for ds3234.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Suggested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 9babb4ccd65b..987c50168fd8 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -247,16 +247,6 @@ config RTC_DRV_DS1672 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" - 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_HYM8563 tristate "Haoyu Microelectronics HYM8563" depends on OF @@ -733,15 +723,6 @@ config RTC_DRV_MAX6902 This driver can also be built as a module. If so, the module will be called rtc-max6902. -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 @@ -761,6 +742,31 @@ config RTC_DRV_MCP795 endif # SPI_MASTER +# +# Helper to resolve issues with configs that have SPI enabled but I2C +# modular. See SND_SOC_I2C_AND_SPI for more information +# +config RTC_I2C_AND_SPI + tristate + default m if I2C=m + default y if I2C=y + default y if SPI_MASTER=y + select REGMAP_I2C if I2C + select REGMAP_SPI if SPI_MASTER + +comment "SPI and I2C RTC drivers" + +config RTC_DRV_DS3232 + tristate "Dallas/Maxim DS3232/DS3234" + depends on RTC_I2C_AND_SPI + help + If you say yes here you get support for Dallas Semiconductor + DS3232 and DS3234 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. + comment "Platform RTC drivers" # this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h> |