diff --git a/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts b/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
index 721c5a823f87e..08ea139bdf751 100644
--- a/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
+++ b/boards/arm/mimxrt685_evk/mimxrt685_evk_cm33.dts
@@ -96,11 +96,16 @@
 			power-state-name = "runtime-idle";
 			min-residency-us = <10>;
 		};
+		suspend: suspend {
+			compatible = "zephyr,power-state";
+			power-state-name = "suspend-to-idle";
+			min-residency-us = <1000>;
+		};
 	};
 };
 
 &cpu0 {
-	cpu-power-states = <&idle>;
+	cpu-power-states = <&idle &suspend>;
 };
 
 /*
diff --git a/drivers/timer/mcux_os_timer.c b/drivers/timer/mcux_os_timer.c
index 91c4623c7f64d..fbf6ece275f87 100644
--- a/drivers/timer/mcux_os_timer.c
+++ b/drivers/timer/mcux_os_timer.c
@@ -10,6 +10,7 @@
 #include <sys_clock.h>
 #include <spinlock.h>
 #include "fsl_ostimer.h"
+#include "fsl_power.h"
 
 #define CYC_PER_TICK ((uint32_t)((uint64_t)sys_clock_hw_cycles_per_sec()	\
 			      / (uint64_t)CONFIG_SYS_CLOCK_TICKS_PER_SEC))
@@ -59,6 +60,8 @@ int sys_clock_driver_init(const struct device *device)
 
 	base = (OSTIMER_Type *)DT_INST_REG_ADDR(0);
 
+	EnableDeepSleepIRQ(DT_INST_IRQN(0));
+
 	/* Initialize the OS timer, setting clock configuration. */
 	OSTIMER_Init(base);
 
diff --git a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33 b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
index f05ae476f5fd7..290cea1b41408 100644
--- a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
+++ b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt685_cm33
@@ -45,9 +45,6 @@ if MCUX_OS_TIMER
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default 1000000
 
-config SYS_CLOCK_TICKS_PER_SEC
-	default 1000000
-
 endif # MCUX_OS_TIMER
 
 if CORTEX_M_SYSTICK
diff --git a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.series b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.series
index 86dca1fe5a58c..0f0f3b61a144d 100644
--- a/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.series
+++ b/soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.series
@@ -14,6 +14,9 @@ config ROM_START_OFFSET
 config NUM_IRQS
 	default 60
 
+config PM
+	select CODE_DATA_RELOCATION_SRAM
+
 source "soc/arm/nxp_imx/rt6xx/Kconfig.defconfig.mimxrt6*"
 
 endif # SOC_SERIES_MIMXRT6XX
diff --git a/soc/arm/nxp_imx/rt6xx/power.c b/soc/arm/nxp_imx/rt6xx/power.c
index c0799958e38bf..880ac83c820d1 100644
--- a/soc/arm/nxp_imx/rt6xx/power.c
+++ b/soc/arm/nxp_imx/rt6xx/power.c
@@ -10,6 +10,17 @@
 #include <logging/log.h>
 LOG_MODULE_DECLARE(soc, CONFIG_SOC_LOG_LEVEL);
 
+/*!< Power down all unnecessary blocks and enable RBB during deep sleep. */
+#define APP_DEEPSLEEP_RUNCFG0 (SYSCTL0_PDRUNCFG0_LPOSC_PD_MASK | \
+			SYSCTL0_PDSLEEPCFG0_RBB_PD_MASK)
+#define APP_DEEPSLEEP_RAM_APD 0xFFFFF8U
+#define APP_DEEPSLEEP_RAM_PPD 0x0U
+#define APP_EXCLUDE_FROM_DEEPSLEEP			\
+	(((const uint32_t[]){APP_DEEPSLEEP_RUNCFG0, \
+	(SYSCTL0_PDSLEEPCFG1_FLEXSPI_SRAM_APD_MASK | \
+	 SYSCTL0_PDSLEEPCFG1_FLEXSPI_SRAM_PPD_MASK), \
+	APP_DEEPSLEEP_RAM_APD, APP_DEEPSLEEP_RAM_PPD}))
+
 /* Invoke Low Power/System Off specific Tasks */
 void pm_power_state_set(struct pm_state_info info)
 {
@@ -29,6 +40,9 @@ void pm_power_state_set(struct pm_state_info info)
 	case PM_STATE_RUNTIME_IDLE:
 		POWER_EnterSleep();
 		break;
+	case PM_STATE_SUSPEND_TO_IDLE:
+		POWER_EnterDeepSleep(APP_EXCLUDE_FROM_DEEPSLEEP);
+		break;
 	default:
 		LOG_DBG("Unsupported power state %u", info.state);
 		break;
diff --git a/west.yml b/west.yml
index 419f9fc1e4bb6..913e993d1da09 100644
--- a/west.yml
+++ b/west.yml
@@ -100,7 +100,7 @@ manifest:
       revision: f49bd1354616fae4093bf36e5eaee43c51a55127
       path: tools/net-tools
     - name: hal_nxp
-      revision: 27a464e4885f393dc376a53d9fc8d52078848496
+      revision: 0d11138724959e1162777d9206f841ccdf64348e
       path: modules/hal/nxp
     - name: open-amp
       revision: 6010f0523cbc75f551d9256cf782f173177acdef