On Wed, Nov 01, 2023 at 11:48:14AM +0200, Antoniu Miclaus wrote: > RTC driver for MAX31335 ±2ppm Automotive Real-Time Clock with > Integrated MEMS Resonator. > > Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> > --- > changes in v4: > - add Kconfig entry for HWMON dependency. > MAINTAINERS | 8 + > drivers/rtc/Kconfig | 20 + > drivers/rtc/Makefile | 1 + > drivers/rtc/rtc-max31335.c | 765 +++++++++++++++++++++++++++++++++++++ > 4 files changed, 794 insertions(+) > create mode 100644 drivers/rtc/rtc-max31335.c > > diff --git a/MAINTAINERS b/MAINTAINERS > index dd5de540ec0b..bc484cb997ab 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -12823,6 +12823,14 @@ F: Documentation/devicetree/bindings/hwmon/adi,max31827.yaml > F: Documentation/hwmon/max31827.rst > F: drivers/hwmon/max31827.c > > +MAX31335 RTC DRIVER > +M: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx> > +L: linux-rtc@xxxxxxxxxxxxxxx > +S: Supported > +W: https://ez.analog.com/linux-software-drivers > +F: Documentation/devicetree/bindings/rtc/adi,max31335.yaml > +F: drivers/rtc/rtc-max31335.c > + > MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER > L: linux-hwmon@xxxxxxxxxxxxxxx > S: Orphan > diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig > index d7502433c78a..360da13fe61b 100644 > --- a/drivers/rtc/Kconfig > +++ b/drivers/rtc/Kconfig > @@ -373,6 +373,26 @@ config RTC_DRV_MAX8997 > This driver can also be built as a module. If so, the module > will be called rtc-max8997. > > +config RTC_DRV_MAX31335 > + tristate "Analog Devices MAX31335" > + depends on I2C > + select REGMAP_I2C > + help > + If you say yes here you get support for the Analog Devices > + MAX31335. > + > + This driver can also be built as a module. If so, the module > + will be called rtc-max31335. > + > +config RTC_DRV_MAX31335_HWMON > + bool "HWMON support for Analog Devices MAX31335" > + depends on RTC_DRV_MAX31335 && HWMON > + depends on !(RTC_DRV_MAX31335=y && HWMON=m) > + default y > + help > + Say Y here if you want to expose temperature sensor data on > + rtc-max31335. > + This isn't used in the driver. Did you test with HWMON=n ? Guenter
