diff --git a/boards/arm/mimxrt685_evk/doc/index.rst b/boards/arm/mimxrt685_evk/doc/index.rst
index 58acf72471c..14cab7fc1ca 100644
--- a/boards/arm/mimxrt685_evk/doc/index.rst
+++ b/boards/arm/mimxrt685_evk/doc/index.rst
@@ -85,6 +85,8 @@ features:
 +-----------+------------+-------------------------------------+
 | HWINFO    | on-chip    | Unique device serial number         |
 +-----------+------------+-------------------------------------+
+| RTC       | on-chip    | counter                             |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 
diff --git a/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts b/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
index 2dc3c0dedbd..d16dcd81726 100644
--- a/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
+++ b/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
@@ -114,6 +114,10 @@
 	status = "okay";
 };
 
+&rtc {
+	status = "okay";
+};
+
 &flexcomm0 {
 	compatible = "nxp,lpc-usart";
 	status = "okay";
diff --git a/dts/arm/nxp/nxp_rt6xx_common.dtsi b/dts/arm/nxp/nxp_rt6xx_common.dtsi
index 420c05529e1..06afd7ebb43 100644
--- a/dts/arm/nxp/nxp_rt6xx_common.dtsi
+++ b/dts/arm/nxp/nxp_rt6xx_common.dtsi
@@ -214,6 +214,14 @@
 		status = "disabled";
 		label = "OS_TIMER";
 	};
+
+	rtc: rtc@30000 {
+		compatible = "nxp,lpc-rtc";
+		reg = <0x30000 0x1000>;
+		interrupts = <32 0>;
+		status = "disabled";
+		label = "RTC_0";
+	};
 };
 
 &nvic {
diff --git a/modules/Kconfig.mcux b/modules/Kconfig.mcux
index b5166be4163..5ef8137ac3d 100644
--- a/modules/Kconfig.mcux
+++ b/modules/Kconfig.mcux
@@ -148,6 +148,11 @@ config HAS_MCUX_RTC
 	help
 	  Set if the real time clock (RTC) modules is present in the SoC.
 
+config HAS_MCUX_LPC_RTC
+	bool
+	help
+	  Set if the LPC real time clock (RTC) modules is present in the SoC.
+
 config HAS_MCUX_SCG
 	bool
 	help
diff --git a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33 b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
index 290cea1b414..b657756e87a 100644
--- a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
+++ b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
@@ -54,4 +54,8 @@ config SYS_CLOCK_HW_CYCLES_PER_SEC
 
 endif # CORTEX_M_SYSTICK
 
+config COUNTER_MCUX_LPC_RTC
+	default y
+	depends on COUNTER
+
 endif # SOC_MIMXRT685S_CM33
diff --git a/soc/arm/nxp_imx/rt6xx/Kconfig.soc b/soc/arm/nxp_imx/rt6xx/Kconfig.soc
index a782ce1aafa..d077fbbeef5 100644
--- a/soc/arm/nxp_imx/rt6xx/Kconfig.soc
+++ b/soc/arm/nxp_imx/rt6xx/Kconfig.soc
@@ -22,6 +22,7 @@ config SOC_MIMXRT685S_CM33
 	select HAS_MCUX_CACHE
 	select HAS_MCUX_LPC_DMA
 	select HAS_MCUX_OS_TIMER
+	select HAS_MCUX_LPC_RTC
 	select INIT_SYS_PLL
 
 endchoice