Chuhong Yuan
c3b29bf6f1
rtc: rv3028: Add missed check for devm_regmap_init_i2c()
...
rv3028_probe() misses a check for devm_regmap_init_i2c().
Add the missed check to fix it.
Fixes: e6e7376cfd
("rtc: rv3028: add new driver")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com >
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
Link: https://lore.kernel.org/r/20200528103950.912353-1-hslester96@gmail.com
2020-05-30 04:12:43 +02:00
Alexandre Belloni
86e655f9f3
rtc: rv3028: return meaningful value for RTC_VL_READ
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RV3028_STATUS_PORF means the voltage dropped too low and data has been
lost.
Link: https://lore.kernel.org/r/20191214220259.621996-14-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
2019-12-18 10:37:39 +01:00
Alexandre Belloni
92c02daaba
rtc: rv3028: remove RTC_VL_CLR handling
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Remove RTC_VL_CLR handling because it is a disservice to userspace as it
removes the important information that the RTC data is invalid. This may
lead userspace to set an invalid system time later on.
Link: https://lore.kernel.org/r/20191214220259.621996-13-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
2019-12-18 10:37:37 +01:00
Parthiban Nallathambi
f583c341a5
rtc: rv3028: add clkout support
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rv3028 provides clkout (enabled by default). Add clkout
to clock framework source and control from device tree for
variable frequency with enable and disable functionality.
Signed-off-by: Parthiban Nallathambi <pn@denx.de >
Link: https://lore.kernel.org/r/20191018100425.1687979-1-pn@denx.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
2019-10-19 23:16:57 +02:00
Alexandre Belloni
44c638ce4e
rtc: remove superfluous error message
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The RTC core now has error messages in case of registration failure, there
is no need to have other messages in the drivers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
Link: https://lore.kernel.org/r/20190818220041.17833-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
2019-08-21 09:57:23 +02:00
Alexandre Belloni
e6e7376cfd
rtc: rv3028: add new driver
...
Add a driver for the MicroCrystal RV-3028. It is a SMT Real-Time Clock
Module that incorporates an integrated CMOS circuit together with an XTAL.
It has an i2c interface.
The driver handles date/time, alarms, trickle charging, timestamping,
frequency offset correction, EEPROM and NVRAM.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com >
2019-02-17 21:29:10 +01:00