drivers: rtc: microchip: Add rtc driver

Add rtc driver for Microchip RTC G1.

Signed-off-by: Farsin Nasar V A <[email protected]>

Author: Farsin-Nasar-Microchip

drivers/rtc/CMakeLists.txt

@@ -22,6 +22,7 @@ zephyr_library_sources_ifdef(CONFIG_RTC_DS3231 rtc_ds3231.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_EMUL rtc_emul.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_FAKE rtc_fake.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_INFINEON_CAT1 rtc_ifx_cat1.c)
+zephyr_library_sources_ifdef(CONFIG_RTC_MCHP_G1 rtc_mchp_g1.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_MOTOROLA_MC146818 rtc_mc146818.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_NUMAKER rtc_numaker.c)
 zephyr_library_sources_ifdef(CONFIG_RTC_NXP_IRTC rtc_nxp_irtc.c)

drivers/rtc/Kconfig

@@ -53,6 +53,7 @@ source "drivers/rtc/Kconfig.emul"
 source "drivers/rtc/Kconfig.fake"
 source "drivers/rtc/Kconfig.ifx_cat1"
 source "drivers/rtc/Kconfig.mc146818"
+source "drivers/rtc/Kconfig.mchp"
 source "drivers/rtc/Kconfig.numaker"
 source "drivers/rtc/Kconfig.nxp_irtc"
 source "drivers/rtc/Kconfig.pcf2123"

drivers/rtc/Kconfig.mchp

@@ -0,0 +1,9 @@
+#Copyright (c) 2025 Microchip Technology Inc.
+#SPDX-License-Identifier: Apache-2.0
+
+config RTC_MCHP_G1
+	bool "Microchip RTC G1 driver"
+	default y
+	depends on DT_HAS_MICROCHIP_RTC_G1_ENABLED
+	help
+	  Enable RTC driver for Microchip G1.