diff --git a/boards/nxp/mr-canhubk3/nuttx-config/nsh/defconfig b/boards/nxp/mr-canhubk3/nuttx-config/nsh/defconfig
index addbed16f7..08b2268a5b 100644
--- a/boards/nxp/mr-canhubk3/nuttx-config/nsh/defconfig
+++ b/boards/nxp/mr-canhubk3/nuttx-config/nsh/defconfig
@@ -210,6 +210,7 @@ CONFIG_S32K3XX_LPSPI2_PINCFG=3
 CONFIG_S32K3XX_LPSPI3=y
 CONFIG_S32K3XX_LPSPI3_PINCFG=3
 CONFIG_S32K3XX_LPSPI4=y
+CONFIG_S32K3XX_LPSPI4_DMA=y
 CONFIG_S32K3XX_LPSPI4_PINCFG=3
 CONFIG_S32K3XX_LPSPI5=y
 CONFIG_S32K3XX_LPSPI5_DMA=y
@@ -225,6 +226,7 @@ CONFIG_S32K3XX_LPUART9=y
 CONFIG_S32K3XX_LPUART_INVERT=y
 CONFIG_S32K3XX_LPUART_SINGLEWIRE=y
 CONFIG_S32K3XX_QSPI=y
+CONFIG_S32K3XX_WKPUINTS=y
 CONFIG_SCHED_HPWORK=y
 CONFIG_SCHED_HPWORKPRIORITY=249
 CONFIG_SCHED_HPWORKSTACKSIZE=1280
diff --git a/boards/nxp/mr-canhubk3/src/spi.cpp b/boards/nxp/mr-canhubk3/src/spi.cpp
index 7fa84fea37..325ad7b7d7 100644
--- a/boards/nxp/mr-canhubk3/src/spi.cpp
+++ b/boards/nxp/mr-canhubk3/src/spi.cpp
@@ -71,10 +71,10 @@ constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
 		initSPIDevice(SPIDEV_FLASH(0), SPI::CS{GPIO::PortD, GPIO::Pin17})
 	}),
 	initSPIBus(SPI::Bus::SPI4, {
-		initSPIDevice(DRV_IMU_DEVTYPE_ICM42688P, SPI::CS{GPIO::PortA, GPIO::Pin16}, SPI::DRDY{GPIO::PortA, GPIO::Pin15, 551})
+		initSPIDevice(DRV_IMU_DEVTYPE_ICM42688P, SPI::CS{GPIO::PortA, GPIO::Pin16}, SPI::DRDY{PIN_WKPU20})
 	}),
 	initSPIBus(SPI::Bus::SPI5, {
-		initSPIDevice(DRV_IMU_DEVTYPE_ICM20649, SPI::CS{GPIO::PortA, GPIO::Pin14}, SPI::DRDY{GPIO::PortA, GPIO::Pin13, 549})
+		initSPIDevice(DRV_IMU_DEVTYPE_ICM20649, SPI::CS{GPIO::PortA, GPIO::Pin14}, SPI::DRDY{PIN_WKPU4})
 	}),
 };
 
diff --git a/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/hw_description.h b/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/hw_description.h
index 2f570d79e2..9ae0300f27 100644
--- a/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/hw_description.h
+++ b/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/hw_description.h
@@ -131,7 +131,6 @@ enum Pin {
 struct GPIOPin {
 	Port port;
 	Pin pin;
-	uint16_t imcr;
 };
 }
 
@@ -244,7 +243,7 @@ enum class Bus {
 };
 
 using CS = GPIO::GPIOPin;
-using DRDY = GPIO::GPIOPin;
+using DRDY = uint32_t;
 
 struct bus_device_external_cfg_t {
 	CS cs_gpio;
diff --git a/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/spi_hw_description.h b/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/spi_hw_description.h
index e97c3fdc98..5613a1c328 100644
--- a/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/spi_hw_description.h
+++ b/platforms/nuttx/src/px4/nxp/s32k3xx/include/px4_arch/spi_hw_description.h
@@ -45,9 +45,8 @@ static inline constexpr px4_spi_bus_device_t initSPIDevice(uint32_t devid, SPI::
 	px4_spi_bus_device_t ret{};
 	ret.cs_gpio = getGPIOPort(cs_gpio.port) | getGPIOPin(cs_gpio.pin) | (GPIO_LOWDRIVE | GPIO_OUTPUT_ONE);
 
-	if (drdy_gpio.port != GPIO::PortInvalid) {
-		ret.drdy_gpio = getGPIOPort(drdy_gpio.port) | getGPIOPin(drdy_gpio.pin) | getIMCR(drdy_gpio.imcr) |
-				(GPIO_PULLUP | PIN_INT_BOTH);
+	if (drdy_gpio != 0) {
+		ret.drdy_gpio = drdy_gpio;
 	}
 
 	if (PX4_SPIDEVID_TYPE(devid) == 0) { // it's a PX4 device (internal or external)