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MC13783 is a multifunction IS with an SPI interface to the host. This
driver handles the RTC controller in this chip.
Signed-off-by: Guennadi Liakhovetski <[email protected]>
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Signed-off-by: Stefan Roese <[email protected]>
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Conflicts:
drivers/rtc/Makefile
Signed-off-by: Wolfgang Denk <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
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Signed-off-by: Tor Krill <[email protected]>
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This patch add support for the STM M41T62 RTC. It is used and tested
on the AMCC Canyonlands 406EX platform.
Signed-off-by: Stefan Roese <[email protected]>
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Signed-off-by: Mike Frysinger <[email protected]>
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Signed-off-by: Matthias Fuchs <[email protected]>
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This driver is based on the driver for the M41T11. In the intended
application, the RTC will be powered by a large capacitor, rather than a
battery. The driver therefore checks to see whether the RTC has lost
power. The chip's OUT bit is normally reset from its power-up state. If
the OUT bit is read as set, or if the date and time are not valid, then the
RTC is assumed to have lost power, and its date and time are reset to
1900-01-01 00:00:00.
Support for adjusting the speed of the clock to improve accuracy is
provided through an environment variable.
Signed-off-by: Larry Johnson <[email protected]>
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Conflicts:
drivers/rtc/Makefile
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
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