diff --git a/soc/arm/nxp_imx/rt5xx/CMakeLists.txt b/soc/arm/nxp_imx/rt5xx/CMakeLists.txt
index 9e494659df1..f3c6404d185 100644
--- a/soc/arm/nxp_imx/rt5xx/CMakeLists.txt
+++ b/soc/arm/nxp_imx/rt5xx/CMakeLists.txt
@@ -15,6 +15,8 @@ zephyr_sources(
 
 zephyr_sources_ifdef(CONFIG_PM power.c)
 
+zephyr_sources_ifdef(CONFIG_POWEROFF poweroff.c)
+
 zephyr_library_include_directories(
   ${ZEPHYR_BASE}/kernel/include
   ${ZEPHYR_BASE}/arch/${ARCH}/include
diff --git a/soc/arm/nxp_imx/rt5xx/Kconfig.series b/soc/arm/nxp_imx/rt5xx/Kconfig.series
index 0acc8090951..96568031651 100644
--- a/soc/arm/nxp_imx/rt5xx/Kconfig.series
+++ b/soc/arm/nxp_imx/rt5xx/Kconfig.series
@@ -11,5 +11,6 @@ config SOC_SERIES_IMX_RT5XX
 	select SOC_FAMILY_IMX
 	select CLOCK_CONTROL
 	select HAS_PM
+	select HAS_POWEROFF
 	help
 	  Enable support for i.MX RT5XX Series MCU series
diff --git a/soc/arm/nxp_imx/rt5xx/poweroff.c b/soc/arm/nxp_imx/rt5xx/poweroff.c
new file mode 100644
index 00000000000..d0768aacc7b
--- /dev/null
+++ b/soc/arm/nxp_imx/rt5xx/poweroff.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/sys/poweroff.h>
+#include <zephyr/toolchain.h>
+
+#include <fsl_power.h>
+
+static const uint32_t exclude_from_pd[] = {0, 0, 0, 0};
+
+void z_sys_poweroff(void)
+{
+	/* Disable ISP Pin pull-ups and input buffers to avoid current leakage */
+	IOPCTL->PIO[1][15] = 0;
+	IOPCTL->PIO[3][28] = 0;
+	IOPCTL->PIO[3][29] = 0;
+
+	POWER_EnterDeepPowerDown(exclude_from_pd);
+
+	CODE_UNREACHABLE;
+}