| # Copyright 2025 Analog Devices Inc. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config RTC_MAX31331 |
| bool "MAX31331 ultra low-power RTC" |
| default y |
| depends on DT_HAS_ADI_MAX31331_ENABLED |
| select I2C |
| help |
| Enable the Analog Devices MAX31331 RTC multi-function device driver |
| |
| config RTC_MAX31331_TIMESTAMPING |
| bool "Timestamping support (TS0–TS3)" |
| depends on DT_HAS_ADI_MAX31331_ENABLED |
| help |
| Enable support for timestamping functionality using the TS0 - TS3 registers |
| |
| config RTC_MAX31331_INTERRUPT |
| bool "Interrupt support" |
| |
| choice RTC_MAX31331_INTERRUPT_MODE |
| prompt "Set option of Interrupt handling" |
| default RTC_MAX31331_INTERRUPT_GLOBAL_THREAD |
| depends on DT_HAS_ADI_MAX31331_ENABLED |
| help |
| Choose how the interrupt handling for the MAX31331 RTC driver should be implemented. |
| This allows selecting between different interrupt handling mechanisms based |
| on the application requirements. |
| |
| config RTC_MAX31331_INTERRUPT_GLOBAL_THREAD |
| bool "Use global thread" |
| depends on $(dt_compat_any_has_prop,$(DT_COMPAT_ADI_MAX31331),interrupt-gpios) |
| select GPIO |
| select RTC_MAX31331_INTERRUPT |
| help |
| Use global thread for the interrupt handler |
| |
| config RTC_MAX31331_INTERRUPT_OWN_THREAD |
| bool "Use own thread" |
| depends on $(dt_compat_any_has_prop,$(DT_COMPAT_ADI_MAX31331),interrupt-gpios) |
| select GPIO |
| select RTC_MAX31331_INTERRUPT |
| help |
| Use own thread for the interrupt handler |
| |
| endchoice # RTC_MAX31331_INTERRUPT_MODE |
| |
| config RTC_MAX31331_THREAD_PRIORITY |
| int "Thread Priority" |
| depends on RTC_MAX31331_INTERRUPT_OWN_THREAD |
| default 10 |
| help |
| Set the priority of the thread used for handling interrupts when "Use own thread" |
| is selected. A lower value indicates a higher priority. |
| |
| config RTC_MAX31331_THREAD_STACK_SIZE |
| int "Thread Stack Size" |
| depends on RTC_MAX31331_INTERRUPT_OWN_THREAD |
| default 1024 |
| help |
| Specify the stack size (in bytes) for the thread used to handle interrupts when |
| "Use own thread" is selected. Ensure the stack size is sufficient for the interrupt |
| handling logic to avoid stack overflows. |
