55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
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# NXP PCF8523 RTC
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# Copyright (c) 2019-2023 Henrik Brix Andersen <henrik@brixandersen.dk>
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# SPDX-License-Identifier: Apache-2.0
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config RTC_PCF8523
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bool "NXP PCF8523 RTC driver"
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default y
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depends on DT_HAS_NXP_PCF8523_ENABLED
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select I2C
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help
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Enable the NXP PCF8523 RTC driver.
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if RTC_PCF8523
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choice RTC_PCF8523_OFFSET_MODE
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prompt "Offset mode"
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default RTC_PCF8523_OFFSET_MODE_SLOW
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depends on RTC_CALIBRATION
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help
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Offset register mode selection.
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config RTC_PCF8523_OFFSET_MODE_SLOW
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bool "Slow"
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help
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Offset correction is made once per two hours and then correction pulses are applied once
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per minute until the programmed correction values have been implemented (MODE = 0).
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config RTC_PCF8523_OFFSET_MODE_FAST
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bool "Fast"
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help
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Offset correction is made once per minute and then correction pulses are applied once per
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second up to a maximum of 60 pulses. When correction values greater than 60 pulses are
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used, additional correction pulses are made in the 59th second (MODE = 1).
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endchoice
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if RTC_ALARM || RTC_UPDATE
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config RTC_PCF8523_THREAD_STACK_SIZE
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int "Stack size for the PCF8523 interrupt thread"
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default 512
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help
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Size of the stack used for the thread handling interrupts and dispatching callbacks.
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config RTC_PCF8523_THREAD_PRIO
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int "Priority for the PCF8523 interrupt thread"
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default 0
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help
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Priority level for the thread handling interrupts and dispatching callbacks.
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endif # RTC_ALARM || RTC_UPDATE
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endif # RTC_PCF8523
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