drivers: rtc: add driver support for ti mspm0 rtc

added Real-Time Clock driver support for Texas Instruments
MSPM0 Family, currently this driver supports rtc time keeping
and calendar alarms functionality

Signed-off-by: Karthikeyan Krishnasamy <[email protected]>

Author: karthi012

drivers/rtc/CMakeLists.txt

@@ -36,5 +36,6 @@ zephyr_library_sources_ifdef(CONFIG_RTC_RX8130CE rtc_rx8130ce.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_SILABS_SIWX91X rtc_silabs_siwx91x.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_SMARTBOND rtc_smartbond.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_STM32 rtc_ll_stm32.c)
+zephyr_library_sources_ifdef(CONFIG_RTC_TI_MSPM0 rtc_ti_mspm0.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_XMC4XXX rtc_xmc4xxx.c)
 # zephyr-keep-sorted-stop

drivers/rtc/Kconfig

@@ -68,6 +68,7 @@ source "drivers/rtc/Kconfig.sam0"
 source "drivers/rtc/Kconfig.siwx91x"
 source "drivers/rtc/Kconfig.smartbond"
 source "drivers/rtc/Kconfig.stm32"
+source "drivers/rtc/Kconfig.ti_mspm0"
 source "drivers/rtc/Kconfig.xmc4xxx"
 # zephyr-keep-sorted-stop
 

drivers/rtc/Kconfig.ti_mspm0

@@ -0,0 +1,9 @@
+# Copyright (c) 2025 Linumiz GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config RTC_TI_MSPM0
+	bool "Texas Instruments MSPM0 RTC driver"
+	default y
+	depends on DT_HAS_TI_MSPM0_RTC_ENABLED
+	help
+	  Texas Instruments Real-Time Clock (RTC) driver used on MSPM0 SoC series.