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# 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 select REQUIRES_FULL_LIBC help Build RTC driver for STM32 SoCs. Tested on STM32 F0, F2, F3, F4, L1, L4, F7, G4, H7 series 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 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 |