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authorAkinobu Mita <akinobu.mita@gmail.com>2016-03-07 00:27:48 +0900
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-03-14 17:08:35 +0100
commit080481f54ef621211d6c75a03dc652fb6ed04222 (patch)
treefec4fb13bc3670f85568f650a13ac936a34d2914 /drivers/rtc/Kconfig
parent370927c4b651539c65dd8d17dd5079526cd8401d (diff)
downloadlinux-next-080481f54ef621211d6c75a03dc652fb6ed04222.tar.gz
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/Kconfig44
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>