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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2016-01-25 00:22:16 +0900 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2016-02-04 23:44:17 +0100 |
| commit | 445c02076f1e60d2ee51503bf1288ef9f3bc8809 (patch) | |
| tree | 8d9923a5a96c0d4e2f573f24b545c3582f885b39 /drivers/rtc/Kconfig | |
| parent | 8bc2a40730ec74271a0573a6882871308d069f5d (diff) | |
| download | linux-445c02076f1e60d2ee51503bf1288ef9f3bc8809.tar.gz | |
rtc: ds1307: add temperature sensor support for ds3231
DS3231 has the temperature registers with a resolution of 0.25
degree celsius. This enables to get the value through hwmon.
# cat /sys/class/i2c-adapter/i2c-2/2-0068/hwmon/hwmon0/temp1_input
21000
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 27f6ac46c5960..d47ad96132bf9 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -212,6 +212,15 @@ config RTC_DRV_DS1307 This driver can also be built as a module. If so, the module will be called rtc-ds1307. +config RTC_DRV_DS1307_HWMON + bool "HWMON support for rtc-ds1307" + depends on RTC_DRV_DS1307 && HWMON + depends on !(RTC_DRV_DS1307=y && HWMON=m) + default y + help + Say Y here if you want to expose temperature sensor data on + rtc-ds1307 (only DS3231) + config RTC_DRV_DS1374 tristate "Dallas/Maxim DS1374" help |