| # STM32 Cube LL RTC |
| |
| # Copyright (c) 2018, Linaro Limited |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig COUNTER_RTC_STM32 |
| bool "STM32 Counter RTC driver" |
| default y if !RTC |
| depends on DT_HAS_ST_STM32_RTC_ENABLED |
| select USE_STM32_LL_RTC |
| select USE_STM32_LL_PWR |
| select USE_STM32_LL_RCC |
| select USE_STM32_LL_EXTI |
| help |
| Build RTC driver for STM32 SoCs. |
| Tested on STM32 C0, F0, F2, F3, F4, F7, G0, G4, H7, L1, L4, L5, U5 series |
| |
| if COUNTER_RTC_STM32 |
| |
| choice COUNTER_RTC_STM32_CLOCK_SRC |
| bool "RTC clock source" |
| optional |
| depends on COUNTER_RTC_STM32 |
| |
| config COUNTER_RTC_STM32_CLOCK_LSI |
| bool "LSI" |
| select DEPRECATED |
| help |
| Use LSI as RTC clock |
| Deprecated in favor of device tree secondary domain clock |
| |
| config COUNTER_RTC_STM32_CLOCK_LSE |
| bool "LSE" |
| select DEPRECATED |
| help |
| Use LSE as RTC clock |
| Deprecated in favor of device tree secondary domain clock |
| |
| endchoice #COUNTER_RTC_STM32_CLOCK_SRC |
| |
| config COUNTER_RTC_STM32_SAVE_VALUE_BETWEEN_RESETS |
| bool "Save rtc time value between resets" |
| default n |
| help |
| Keep the counter value after each reset. |
| |
| config COUNTER_RTC_STM32_SUBSECONDS |
| bool "Use the subseconds as a basic tick." |
| depends on !SOC_SERIES_STM32F1X |
| help |
| Use the subseconds as the basic time tick. It increases resolution |
| of the counter. The frequency of the time is RTC Source Clock divided |
| by 2. It is the clock after the first asynchronous prescaler. |
| The config increases power consumption. |
| |
| endif # COUNTER_RTC_STM32 |
