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For RTC driver, as not all RTCs support alarm and wakeup, so the
framework only support alarm or wakeup, not both of them, as our
rtc can support alarm and wakeup function, to simplify the unit
test interface for power off and wakeup, we add both wakealarm and
common power wakeup sysfs interface to our RTC driver.
Signed-off-by: Anson Huang <b20788@freescale.com>
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Set 10s wake alarm from now by below command
echo +10 > /sys/class/rtc/rtc0/wakealarm
Signed-off-by: Frank Li <Frank.Li@freescale.com>
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Add ioctl support to complete RTC feature.
Signed-off-by: Anson Huang <b20788@freescale.com>
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Signed-off-by: Jason Liu <jason.hui@linaro.org>
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request_irq should be after hw init. It can avoid meaningless interrupt.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
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Add TKT052983 errata number to comments field. This errata
requires reading the counter value twice until both
values match to ensure integrity of read value.
Signed-off-by: Anish Trivedi <anish@freescale.com>
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This adds an RTC driver for the Low Power (LP) section of SNVS.
It hooks into the /dev/rtc interface.
It only uses the RTC hw in non-secure mode.
Signed-off-by: Anish Trivedi <anish@freescale.com>
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