diff --git a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi
index 9b574a18ec5..f62df87dfe2 100644
--- a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi
+++ b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20-pinctrl.dtsi
@@ -73,12 +73,37 @@
 	/omit-if-no-ref/ exmif_default: exmif_default {
 		group1 {
 			psels = <NRF_PSEL(EXMIF_CK, 6, 0)>,
+				<NRF_PSEL(EXMIF_CS0, 6, 3)>,
+				<NRF_PSEL(EXMIF_RWDS, 6, 2)>,
 				<NRF_PSEL(EXMIF_DQ0, 6, 7)>,
-				<NRF_PSEL(EXMIF_DQ1, 6, 5)>;
+				<NRF_PSEL(EXMIF_DQ1, 6, 5)>,
+				<NRF_PSEL(EXMIF_DQ2, 6, 10)>,
+				<NRF_PSEL(EXMIF_DQ3, 6, 9)>,
+				<NRF_PSEL(EXMIF_DQ4, 6, 11)>,
+				<NRF_PSEL(EXMIF_DQ5, 6, 8)>,
+				<NRF_PSEL(EXMIF_DQ6, 6, 6)>,
+				<NRF_PSEL(EXMIF_DQ7, 6, 4)>;
 			nordic,drive-mode = <NRF_DRIVE_H0H1>;
 		};
 	};
 
+	/omit-if-no-ref/ exmif_sleep: exmif_sleep {
+		group1 {
+			low-power-enable;
+			psels = <NRF_PSEL(EXMIF_CK, 6, 0)>,
+				<NRF_PSEL(EXMIF_CS0, 6, 3)>,
+				<NRF_PSEL(EXMIF_RWDS, 6, 2)>,
+				<NRF_PSEL(EXMIF_DQ0, 6, 7)>,
+				<NRF_PSEL(EXMIF_DQ1, 6, 5)>,
+				<NRF_PSEL(EXMIF_DQ2, 6, 10)>,
+				<NRF_PSEL(EXMIF_DQ3, 6, 9)>,
+				<NRF_PSEL(EXMIF_DQ4, 6, 11)>,
+				<NRF_PSEL(EXMIF_DQ5, 6, 8)>,
+				<NRF_PSEL(EXMIF_DQ6, 6, 6)>,
+				<NRF_PSEL(EXMIF_DQ7, 6, 4)>;
+		};
+	};
+
 	/omit-if-no-ref/ can120_default: can120_default {
 		group1 {
 			psels = <NRF_PSEL(CAN_RX, 9, 4)>,
diff --git a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts
index 9c3556b27c4..171732d81e6 100644
--- a/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts
+++ b/boards/nordic/nrf54h20dk/nrf54h20dk_nrf54h20_cpuapp.dts
@@ -262,15 +262,15 @@ ipc0: &cpuapp_cpurad_ipc {
 };
 
 &exmif {
-	cs-gpios = <&gpio6 3 GPIO_ACTIVE_LOW>;
 	pinctrl-0 = <&exmif_default>;
-	pinctrl-names = "default";
+	pinctrl-1 = <&exmif_sleep>;
+	pinctrl-names = "default", "sleep";
 	status = "okay";
+
 	mx25uw63: mx25uw6345g@0 {
-		compatible = "jedec,spi-nor";
+		compatible = "jedec,mspi-nor";
 		status = "disabled";
 		reg = <0>;
-		spi-max-frequency = <DT_FREQ_M(48)>;
 		jedec-id = [c2 84 37];
 		sfdp-bfp = [
 			e5 20 8a ff  ff ff ff 03  00 ff 00 ff  00 ff 00 ff
@@ -283,6 +283,15 @@ ipc0: &cpuapp_cpurad_ipc {
 		has-dpd;
 		t-enter-dpd = <10000>;
 		t-exit-dpd = <30000>;
+		reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
+
+		mspi-max-frequency = <DT_FREQ_M(50)>;
+		mspi-io-mode = "MSPI_IO_MODE_OCTAL";
+		mspi-data-rate = "MSPI_DATA_RATE_SINGLE";
+		mspi-hardware-ce-num = <1>;
+		mspi-cpp-mode = "MSPI_CPP_MODE_0";
+		mspi-endian = "MSPI_BIG_ENDIAN";
+		mspi-ce-polarity = "MSPI_CE_ACTIVE_LOW";
 	};
 };
 
diff --git a/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280-pinctrl.dtsi b/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280-pinctrl.dtsi
index 48067a7052c..143fd45f33e 100644
--- a/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280-pinctrl.dtsi
+++ b/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280-pinctrl.dtsi
@@ -54,12 +54,37 @@
 	/omit-if-no-ref/ exmif_default: exmif_default {
 		group1 {
 			psels = <NRF_PSEL(EXMIF_CK, 6, 0)>,
+				<NRF_PSEL(EXMIF_CS0, 6, 3)>,
+				<NRF_PSEL(EXMIF_RWDS, 6, 2)>,
 				<NRF_PSEL(EXMIF_DQ0, 6, 7)>,
-				<NRF_PSEL(EXMIF_DQ1, 6, 5)>;
+				<NRF_PSEL(EXMIF_DQ1, 6, 5)>,
+				<NRF_PSEL(EXMIF_DQ2, 6, 10)>,
+				<NRF_PSEL(EXMIF_DQ3, 6, 9)>,
+				<NRF_PSEL(EXMIF_DQ4, 6, 11)>,
+				<NRF_PSEL(EXMIF_DQ5, 6, 8)>,
+				<NRF_PSEL(EXMIF_DQ6, 6, 6)>,
+				<NRF_PSEL(EXMIF_DQ7, 6, 4)>;
 			nordic,drive-mode = <NRF_DRIVE_H0H1>;
 		};
 	};
 
+	/omit-if-no-ref/ exmif_sleep: exmif_sleep {
+		group1 {
+			low-power-enable;
+			psels = <NRF_PSEL(EXMIF_CK, 6, 0)>,
+				<NRF_PSEL(EXMIF_CS0, 6, 3)>,
+				<NRF_PSEL(EXMIF_RWDS, 6, 2)>,
+				<NRF_PSEL(EXMIF_DQ0, 6, 7)>,
+				<NRF_PSEL(EXMIF_DQ1, 6, 5)>,
+				<NRF_PSEL(EXMIF_DQ2, 6, 10)>,
+				<NRF_PSEL(EXMIF_DQ3, 6, 9)>,
+				<NRF_PSEL(EXMIF_DQ4, 6, 11)>,
+				<NRF_PSEL(EXMIF_DQ5, 6, 8)>,
+				<NRF_PSEL(EXMIF_DQ6, 6, 6)>,
+				<NRF_PSEL(EXMIF_DQ7, 6, 4)>;
+		};
+	};
+
 	/omit-if-no-ref/ can120_default: can120_default {
 		group1 {
 			psels = <NRF_PSEL(CAN_RX, 9, 4)>,
diff --git a/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280_cpuapp.dts b/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280_cpuapp.dts
index 2ce9b912269..043f6f64f87 100644
--- a/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280_cpuapp.dts
+++ b/boards/nordic/nrf9280pdk/nrf9280pdk_nrf9280_cpuapp.dts
@@ -253,15 +253,15 @@ ipc0: &cpuapp_cpurad_ipc {
 };
 
 &exmif {
-	cs-gpios = <&gpio6 3 GPIO_ACTIVE_LOW>;
 	pinctrl-0 = <&exmif_default>;
-	pinctrl-names = "default";
+	pinctrl-1 = <&exmif_sleep>;
+	pinctrl-names = "default", "sleep";
 	status = "okay";
+
 	mx25uw63: mx25uw6345g@0 {
-		compatible = "jedec,spi-nor";
+		compatible = "jedec,mspi-nor";
 		status = "disabled";
 		reg = <0>;
-		spi-max-frequency = <DT_FREQ_M(48)>;
 		jedec-id = [c2 84 37];
 		sfdp-bfp = [
 			e5 20 8a ff  ff ff ff 03  00 ff 00 ff  00 ff 00 ff
@@ -274,6 +274,15 @@ ipc0: &cpuapp_cpurad_ipc {
 		has-dpd;
 		t-enter-dpd = <10000>;
 		t-exit-dpd = <30000>;
+		reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
+
+		mspi-max-frequency = <DT_FREQ_M(50)>;
+		mspi-io-mode = "MSPI_IO_MODE_OCTAL";
+		mspi-data-rate = "MSPI_DATA_RATE_SINGLE";
+		mspi-hardware-ce-num = <1>;
+		mspi-cpp-mode = "MSPI_CPP_MODE_0";
+		mspi-endian = "MSPI_BIG_ENDIAN";
+		mspi-ce-polarity = "MSPI_CE_ACTIVE_LOW";
 	};
 };
 
diff --git a/dts/bindings/spi/nordic,nrf-exmif.yaml b/dts/bindings/mspi/nordic,nrf-exmif.yaml
similarity index 70%
rename from dts/bindings/spi/nordic,nrf-exmif.yaml
rename to dts/bindings/mspi/nordic,nrf-exmif.yaml
index d2b8815046b..294254aa60e 100644
--- a/dts/bindings/spi/nordic,nrf-exmif.yaml
+++ b/dts/bindings/mspi/nordic,nrf-exmif.yaml
@@ -5,8 +5,4 @@ description: Nordic External Memory Interface (EXMIF)
 
 compatible: "nordic,nrf-exmif"
 
-include: snps,designware-spi.yaml
-
-properties:
-  reg:
-    required: true
+include: snps,designware-ssi.yaml
diff --git a/dts/common/nordic/nrf54h20.dtsi b/dts/common/nordic/nrf54h20.dtsi
index cdac7c3a6e2..6ce4fda00fa 100644
--- a/dts/common/nordic/nrf54h20.dtsi
+++ b/dts/common/nordic/nrf54h20.dtsi
@@ -509,8 +509,8 @@
 				status = "disabled";
 			};
 
-			exmif: spi@95000 {
-				compatible = "nordic,nrf-exmif";
+			exmif: exmif@95000 {
+				compatible = "nordic,nrf-exmif", "snps,designware-ssi";
 				#address-cells = <1>;
 				#size-cells = <0>;
 				reg = <0x95000 0x500 0x95500 0xb00>;
@@ -519,7 +519,6 @@
 				power-domains = <&gpd NRF_GPD_FAST_ACTIVE0>;
 				clock-frequency = <DT_FREQ_M(400)>;
 				fifo-depth = <32>;
-				max-xfer-size = <16>;
 				status = "disabled";
 			};
 
diff --git a/dts/common/nordic/nrf9280.dtsi b/dts/common/nordic/nrf9280.dtsi
index 62b22b4fbc2..c9e1742e102 100644
--- a/dts/common/nordic/nrf9280.dtsi
+++ b/dts/common/nordic/nrf9280.dtsi
@@ -360,8 +360,8 @@
 				status = "disabled";
 			};
 
-			exmif: spi@95000 {
-				compatible = "nordic,nrf-exmif";
+			exmif: exmif@95000 {
+				compatible = "nordic,nrf-exmif", "snps,designware-ssi";
 				#address-cells = <1>;
 				#size-cells = <0>;
 				reg = <0x95000 0x500 0x95500 0xb00>;
@@ -369,7 +369,6 @@
 				interrupts = <149 NRF_DEFAULT_IRQ_PRIORITY>;
 				clock-frequency = <DT_FREQ_M(400)>;
 				fifo-depth = <32>;
-				max-xfer-size = <16>;
 				status = "disabled";
 			};