diff --git a/MAINTAINERS b/MAINTAINERS
index a81ba8328704..35c2fe651081 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4001,6 +4001,7 @@ M:	Rafał Miłecki <zajec5@gmail.com>
 R:	Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
+F:	arch/arm/boot/dts/bcm-ns.dtsi
 F:	arch/arm/boot/dts/bcm470*
 F:	arch/arm/boot/dts/bcm5301*
 F:	arch/arm/boot/dts/bcm953012*
diff --git a/arch/arm/boot/dts/bcm-ns.dtsi b/arch/arm/boot/dts/bcm-ns.dtsi
new file mode 100644
index 000000000000..21d672aba75a
--- /dev/null
+++ b/arch/arm/boot/dts/bcm-ns.dtsi
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/clock/bcm-nsp.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	axi@18000000 {
+		compatible = "brcm,bus-axi";
+		reg = <0x18000000 0x1000>;
+		ranges = <0x00000000 0x18000000 0x00100000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		chipcommon: chipcommon@0 {
+			reg = <0x00000000 0x1000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		pcie0: pcie@12000 {
+			reg = <0x00012000 0x1000>;
+		};
+
+		pcie1: pcie@13000 {
+			reg = <0x00013000 0x1000>;
+		};
+
+		usb2: usb2@21000 {
+			reg = <0x00021000 0x1000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			interrupt-parent = <&gic>;
+
+			ehci: usb@21000 {
+				#usb-cells = <0>;
+
+				compatible = "generic-ehci";
+				reg = <0x00021000 0x1000>;
+				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+				phys = <&usb2_phy>;
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				ehci_port1: port@1 {
+					reg = <1>;
+					#trigger-source-cells = <0>;
+				};
+
+				ehci_port2: port@2 {
+					reg = <2>;
+					#trigger-source-cells = <0>;
+				};
+			};
+
+			ohci: usb@22000 {
+				#usb-cells = <0>;
+
+				compatible = "generic-ohci";
+				reg = <0x00022000 0x1000>;
+				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				ohci_port1: port@1 {
+					reg = <1>;
+					#trigger-source-cells = <0>;
+				};
+
+				ohci_port2: port@2 {
+					reg = <2>;
+					#trigger-source-cells = <0>;
+				};
+			};
+		};
+
+		usb3: usb3@23000 {
+			reg = <0x00023000 0x1000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			interrupt-parent = <&gic>;
+
+			xhci: usb@23000 {
+				#usb-cells = <0>;
+
+				compatible = "generic-xhci";
+				reg = <0x00023000 0x1000>;
+				interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+				phys = <&usb3_phy>;
+				phy-names = "usb";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				xhci_port1: port@1 {
+					reg = <1>;
+					#trigger-source-cells = <0>;
+				};
+			};
+		};
+	};
+
+	mdio: mdio@18003000 {
+		compatible = "brcm,iproc-mdio";
+		reg = <0x18003000 0x8>;
+		#size-cells = <0>;
+		#address-cells = <1>;
+	};
+
+	dmu-bus@1800c000 {
+		compatible = "simple-bus";
+		ranges = <0 0x1800c000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		cru-bus@100 {
+			compatible = "brcm,ns-cru", "simple-mfd";
+			reg = <0x100 0x1a4>;
+			ranges;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			usb2_phy: phy@164 {
+				compatible = "brcm,ns-usb2-phy";
+				reg = <0x164 0x4>;
+				brcm,syscon-clkset = <&cru_clkset>;
+				clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
+				clock-names = "phy-ref-clk";
+				#phy-cells = <0>;
+			};
+
+			cru_clkset: syscon@180 {
+				compatible = "brcm,cru-clkset", "syscon";
+				reg = <0x180 0x4>;
+			};
+
+			pinctrl: pinctrl@1c0 {
+				compatible = "brcm,bcm4708-pinmux";
+				reg = <0x1c0 0x24>;
+				reg-names = "cru_gpio_control";
+
+				spi-pins {
+					groups = "spi_grp";
+					function = "spi";
+				};
+
+				pinmux_i2c: i2c-pins {
+					groups = "i2c_grp";
+					function = "i2c";
+				};
+
+				pinmux_pwm: pwm-pins {
+					groups = "pwm0_grp", "pwm1_grp",
+						 "pwm2_grp", "pwm3_grp";
+					function = "pwm";
+				};
+
+				pinmux_uart1: uart1-pins {
+					groups = "uart1_grp";
+					function = "uart1";
+				};
+			};
+
+			thermal: thermal@2c0 {
+				compatible = "brcm,ns-thermal";
+				reg = <0x2c0 0x10>;
+				#thermal-sensor-cells = <0>;
+			};
+		};
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <1000>;
+			coefficients = <(-556) 418000>;
+			thermal-sensors = <&thermal>;
+
+			trips {
+				cpu-crit {
+					temperature = <125000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 5fc1b847f4aa..2aa3a9f09641 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -8,11 +8,7 @@
  * Licensed under the GNU/GPL. See COPYING for details.
  */
 
-#include <dt-bindings/clock/bcm-nsp.h>
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/input/input.h>
-#include <dt-bindings/interrupt-controller/irq.h>
-#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include "bcm-ns.dtsi"
 
 / {
 	#address-cells = <1>;
@@ -149,12 +145,6 @@ periph_clk: periph_clk {
 	};
 
 	axi@18000000 {
-		compatible = "brcm,bus-axi";
-		reg = <0x18000000 0x1000>;
-		ranges = <0x00000000 0x18000000 0x00100000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-
 		#interrupt-cells = <1>;
 		interrupt-map-mask = <0x000fffff 0xffff>;
 		interrupt-map = 
@@ -228,108 +218,15 @@ axi@18000000 {
 			<0x00028000 6 &gic GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
 			<0x00028000 7 &gic GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
 
-		chipcommon: chipcommon@0 {
-			reg = <0x00000000 0x1000>;
-
-			gpio-controller;
-			#gpio-cells = <2>;
+		chipcommon@0 {
 			interrupt-controller;
 			#interrupt-cells = <2>;
 		};
 
-		pcie0: pcie@12000 {
-			reg = <0x00012000 0x1000>;
-		};
-
-		pcie1: pcie@13000 {
-			reg = <0x00013000 0x1000>;
-		};
-
 		pcie2: pcie@14000 {
 			reg = <0x00014000 0x1000>;
 		};
 
-		usb2: usb2@21000 {
-			reg = <0x00021000 0x1000>;
-
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges;
-
-			interrupt-parent = <&gic>;
-
-			ehci: usb@21000 {
-				#usb-cells = <0>;
-
-				compatible = "generic-ehci";
-				reg = <0x00021000 0x1000>;
-				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
-				phys = <&usb2_phy>;
-
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				ehci_port1: port@1 {
-					reg = <1>;
-					#trigger-source-cells = <0>;
-				};
-
-				ehci_port2: port@2 {
-					reg = <2>;
-					#trigger-source-cells = <0>;
-				};
-			};
-
-			ohci: usb@22000 {
-				#usb-cells = <0>;
-
-				compatible = "generic-ohci";
-				reg = <0x00022000 0x1000>;
-				interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
-
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				ohci_port1: port@1 {
-					reg = <1>;
-					#trigger-source-cells = <0>;
-				};
-
-				ohci_port2: port@2 {
-					reg = <2>;
-					#trigger-source-cells = <0>;
-				};
-			};
-		};
-
-		usb3: usb3@23000 {
-			reg = <0x00023000 0x1000>;
-
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges;
-
-			interrupt-parent = <&gic>;
-
-			xhci: usb@23000 {
-				#usb-cells = <0>;
-
-				compatible = "generic-xhci";
-				reg = <0x00023000 0x1000>;
-				interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
-				phys = <&usb3_phy>;
-				phy-names = "usb";
-
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				xhci_port1: port@1 {
-					reg = <1>;
-					#trigger-source-cells = <0>;
-				};
-			};
-		};
-
 		gmac0: ethernet@24000 {
 			reg = <0x24000 0x800>;
 		};
@@ -355,13 +252,6 @@ pwm: pwm@18002000 {
 		status = "disabled";
 	};
 
-	mdio: mdio@18003000 {
-		compatible = "brcm,iproc-mdio";
-		reg = <0x18003000 0x8>;
-		#size-cells = <0>;
-		#address-cells = <1>;
-	};
-
 	mdio-mux@18003000 {
 		compatible = "mdio-mux-mmioreg", "mdio-mux";
 		mdio-parent-bus = <&mdio>;
@@ -409,18 +299,7 @@ i2c0: i2c@18009000 {
 	};
 
 	dmu-bus@1800c000 {
-		compatible = "simple-bus";
-		ranges = <0 0x1800c000 0x1000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
-
 		cru-bus@100 {
-			compatible = "brcm,ns-cru", "simple-mfd";
-			reg = <0x100 0x1a4>;
-			ranges;
-			#address-cells = <1>;
-			#size-cells = <1>;
-
 			lcpll0: clock-controller@100 {
 				#clock-cells = <1>;
 				compatible = "brcm,nsp-lcpll0";
@@ -440,53 +319,6 @@ genpll: clock-controller@140 {
 						     "usbclk", "iprocfast",
 						     "sata1", "sata2";
 			};
-
-			usb2_phy: phy@164 {
-				compatible = "brcm,ns-usb2-phy";
-				reg = <0x164 0x4>;
-				brcm,syscon-clkset = <&cru_clkset>;
-				clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
-				clock-names = "phy-ref-clk";
-				#phy-cells = <0>;
-			};
-
-			cru_clkset: syscon@180 {
-				compatible = "brcm,cru-clkset", "syscon";
-				reg = <0x180 0x4>;
-			};
-
-			pinctrl: pinctrl@1c0 {
-				compatible = "brcm,bcm4708-pinmux";
-				reg = <0x1c0 0x24>;
-				reg-names = "cru_gpio_control";
-
-				spi-pins {
-					groups = "spi_grp";
-					function = "spi";
-				};
-
-				pinmux_i2c: i2c-pins {
-					groups = "i2c_grp";
-					function = "i2c";
-				};
-
-				pinmux_pwm: pwm-pins {
-					groups = "pwm0_grp", "pwm1_grp",
-						 "pwm2_grp", "pwm3_grp";
-					function = "pwm";
-				};
-
-				pinmux_uart1: uart1-pins {
-					groups = "uart1_grp";
-					function = "uart1";
-				};
-			};
-
-			thermal: thermal@2c0 {
-				compatible = "brcm,ns-thermal";
-				reg = <0x2c0 0x10>;
-				#thermal-sensor-cells = <0>;
-			};
 		};
 	};
 
@@ -558,24 +390,4 @@ partitions {
 			};
 		};
 	};
-
-	thermal-zones {
-		cpu_thermal: cpu-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <1000>;
-			coefficients = <(-556) 418000>;
-			thermal-sensors = <&thermal>;
-
-			trips {
-				cpu-crit {
-					temperature = <125000>;
-					hysteresis = <0>;
-					type = "critical";
-				};
-			};
-
-			cooling-maps {
-			};
-		};
-	};
 };
