| # STM32 Cube LL RTC |
| |
| # Copyright (c) 2018, Linaro Limited |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig COUNTER_RTC_STM32 |
| bool "STM32 Counter RTC driver" |
| depends on SOC_FAMILY_STM32 |
| 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 F0, F2, F3, F4, L1, L4, F7, G0, G4, H7 series |
| |
| if COUNTER_RTC_STM32 |
| |
| choice COUNTER_RTC_STM32_CLOCK_SRC |
| bool "RTC clock source" |
| depends on COUNTER_RTC_STM32 |
| |
| config COUNTER_RTC_STM32_CLOCK_LSI |
| bool "LSI" |
| help |
| Use LSI as RTC clock |
| |
| config COUNTER_RTC_STM32_CLOCK_LSE |
| bool "LSE" |
| help |
| Use LSE as RTC clock |
| |
| endchoice #COUNTER_RTC_STM32_CLOCK_SRC |
| |
| if !SOC_SERIES_STM32F4X |
| |
| choice COUNTER_RTC_STM32_LSE_DRIVE |
| prompt "LSE oscillator drive capability" |
| depends on COUNTER_RTC_STM32_CLOCK_LSE |
| |
| config COUNTER_RTC_STM32_LSE_DRIVE_LOW |
| bool "Low" |
| help |
| Xtal mode lower driving capability |
| |
| config COUNTER_RTC_STM32_LSE_DRIVE_MEDIUMLOW |
| bool "Medium Low" |
| help |
| Xtal mode medium low driving capability |
| |
| config COUNTER_RTC_STM32_LSE_DRIVE_MEDIUMHIGH |
| bool "Medium High" |
| help |
| Xtal mode medium high driving capability |
| |
| config COUNTER_RTC_STM32_LSE_DRIVE_HIGH |
| bool "High" |
| help |
| Xtal mode higher driving capability |
| |
| endchoice |
| |
| config COUNTER_RTC_STM32_LSE_DRIVE_STRENGTH |
| hex |
| default 0x00000000 if COUNTER_RTC_STM32_LSE_DRIVE_LOW |
| default 0x00000008 if COUNTER_RTC_STM32_LSE_DRIVE_MEDIUMLOW |
| default 0x00000010 if COUNTER_RTC_STM32_LSE_DRIVE_MEDIUMHIGH |
| default 0x00000018 if COUNTER_RTC_STM32_LSE_DRIVE_HIGH |
| |
| endif # !SOC_SERIES_STM32F4X |
| |
| config COUNTER_RTC_STM32_LSE_BYPASS |
| bool "LSE oscillator bypass" |
| depends on COUNTER_RTC_STM32_CLOCK_LSE |
| help |
| Enable LSE bypass |
| |
| config COUNTER_RTC_STM32_BACKUP_DOMAIN_RESET |
| bool "Do backup domain reset" |
| default y |
| help |
| Force a backup domain reset on startup |
| |
| config COUNTER_RTC_STM32_SAVE_VALUE_BETWEEN_RESETS |
| bool "Save rtc time value between resets" |
| default y |
| depends on !COUNTER_RTC_STM32_BACKUP_DOMAIN_RESET |
| help |
| Do not reset the rtc time and date after each reset. |
| |
| endif # COUNTER_RTC_STM32 |
