Add RV3032 MFD drive to expose Timer counter and Temperature sensor #98918
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Add MFD driver for managing rv3032 functionality which did not fit RTC api. That way are implemented part which otherwise will not be used: - RTC - counter/timer - temperature sensor Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Add dependecy for MFD driver and remove I2C dependency since it will be managed from MFD driver together with interrupts. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Remove gpio-int since interrupts will be managed from MFD driver insted, acticting like dispatcher for interrupts. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Remove backup flag from RTC driver and move it to parent instead. RTC driver still can access the values of the flags but MFD need to know what is expected in term of initial behaviour. Some assumptions done in RTC driver are causing inconsistant behaviour. We cannot assume that the RTC alarms and notifications need to be cleaned only if POR bit is triggered. We can have situation where whole system go throigh soft restart and need to zero RV3032, so driver need to have option to allow that kind of behaviour. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Rework rv3032 implementaion to use MFD driver unstead of local implementaion for I2C access and Interrupt managements. This way could be utilized parts which are not implemented because did not fit in to RTC api - counter and temperature sensor. To have propper sincronization arbitration is need which is handled from mfd_rv3032. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Expose timer functionality from rv-3032-c7 via counter api. I2C communication and IRQs are arbitrated via MFD parent driver for rtc, sensor and counter at once. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Expose internal temperature sensor for rv-3032-c7. Driver is reporting temperature from internal deice sensors and have HIGH an LOW temperature treshhold which are triggering interrupts. I2C communication and IRQ are handled from parent MFD driver. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Update rv3032 to reflect latest chanes to the driver. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Ensure this driver is tested in the build_all test suite. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Ensure this driver is tested in the build_all test suite. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Add missing new line before channel entry for fdc2x1x which was causing CI fail Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
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This PR introduce MFD driver for RV3032 to expose Temperature sensor and Timer counter.
RV3032 RTC driver changes:
mfd_rv3032prefixed functions from MFD guarded from semaphor