diff --git a/arch/arm/boot/dts/bcm-ns.dtsi b/arch/arm/boot/dts/bcm-ns.dtsi
index 43d670746f05..dae9c47ace76 100644
--- a/arch/arm/boot/dts/bcm-ns.dtsi
+++ b/arch/arm/boot/dts/bcm-ns.dtsi
@@ -313,10 +313,49 @@ srab: ethernet-switch@18007000 {
 
 		status = "disabled";
 
-		/* ports are defined in board DTS */
 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+			};
+
+			port@1 {
+				reg = <1>;
+			};
+
+			port@2 {
+				reg = <2>;
+			};
+
+			port@3 {
+				reg = <3>;
+			};
+
+			port@4 {
+				reg = <4>;
+			};
+
+			port@5 {
+				reg = <5>;
+				ethernet = <&gmac0>;
+			};
+
+			port@7 {
+				reg = <7>;
+				ethernet = <&gmac1>;
+			};
+
+			port@8 {
+				reg = <8>;
+				ethernet = <&gmac2>;
+
+				fixed-link {
+					speed = <1000>;
+					full-duplex;
+				};
+			};
 		};
 	};
 
diff --git a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi
index 0846887ba144..42bcbf10957c 100644
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi
@@ -159,34 +159,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan1";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan2";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan4";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
index 5d0549855978..e04d2e5ea51a 100644
--- a/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
@@ -75,19 +75,15 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "poe";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "lan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
index 4ca348c06b51..a399800139d9 100644
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -82,14 +82,11 @@ &srab {
 
 	ports {
 		port@4 {
-			reg = <4>;
 			label = "lan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
index 8661ec94ca67..fad3473810a2 100644
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -100,34 +100,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
index 26cdeb5cc337..5b2b7b8b3b12 100644
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -123,34 +123,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
index a2b7644eaf39..d0a26b643b82 100644
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -123,34 +123,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan1";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan2";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan4";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts b/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
index 7e042928fd40..9f21d6d6d35b 100644
--- a/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
+++ b/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
@@ -75,14 +75,11 @@ &srab {
 
 	ports {
 		port@4 {
-			reg = <4>;
 			label = "poe";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts b/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
index 231d437408d8..256107291702 100644
--- a/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
+++ b/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
@@ -124,36 +124,29 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 			nvmem-cells = <&et0macaddr 5>;
 			nvmem-cell-names = "mac-address";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
index 3552b6deffc2..707c561703ed 100644
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -208,39 +208,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan1";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan2";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan4";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@8 {
-			reg = <8>;
 			label = "cpu";
-			ethernet = <&gmac2>;
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
index a50ff686b557..4d5747aa5dc8 100644
--- a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
+++ b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
@@ -181,32 +181,28 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		sw0_p5: port@5 {
-			reg = <5>;
+			/delete-property/ethernet;
+
 			label = "extsw";
 			phy-mode = "rgmii";
 
@@ -218,8 +214,6 @@ fixed-link {
 		};
 
 		port@7 {
-			reg = <7>;
-			ethernet = <&gmac1>;
 			label = "cpu";
 
 			fixed-link {
@@ -229,14 +223,7 @@ fixed-link {
 		};
 
 		port@8 {
-			reg = <8>;
-			ethernet = <&gmac2>;
 			label = "cpu";
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
index 555fbe41dd8f..51ce510b3e3a 100644
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -124,39 +124,27 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@8 {
-			reg = <8>;
 			label = "cpu";
-			ethernet = <&gmac2>;
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts b/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts
index d945a20b06e0..60744f82c2b7 100644
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts
@@ -172,40 +172,28 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan1";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan2";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan4";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@8 {
-			reg = <8>;
 			label = "cpu";
-			ethernet = <&gmac2>;
 			phy-mode = "rgmii";
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
index d9a16a820e7f..8036c04d81cb 100644
--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
@@ -207,29 +207,32 @@ &srab {
 	dsa,member = <0 0>;
 
 	ports {
+		sw0_p0: port@0 {
+			label = "extsw";
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+			};
+		};
+
 		port@1 {
-			reg = <1>;
 			label = "lan7";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan4";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan8";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 		};
 
 		port@5 {
-			reg = <5>;
-			ethernet = <&gmac0>;
 			label = "cpu";
 			status = "disabled";
 
@@ -240,8 +243,6 @@ fixed-link {
 		};
 
 		port@7 {
-			reg = <7>;
-			ethernet = <&gmac1>;
 			label = "cpu";
 			status = "disabled";
 
@@ -252,24 +253,7 @@ fixed-link {
 		};
 
 		port@8 {
-			reg = <8>;
-			ethernet = <&gmac2>;
 			label = "cpu";
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
-		};
-
-		sw0_p0: port@0 {
-			reg = <0>;
-			label = "extsw";
-
-			fixed-link {
-				speed = <1000>;
-				full-duplex;
-			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts b/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
index ae5523870854..e8991d4e248c 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
@@ -83,36 +83,29 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "wan";
 			nvmem-cells = <&et0macaddr 1>;
 			nvmem-cell-names = "mac-address";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan4";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan2";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "lan1";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts b/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts
index 9220f193499e..6875625869d9 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts
@@ -73,19 +73,15 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "poe";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts b/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
index 2bd64dcd4353..7cfa4607ef31 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
@@ -83,36 +83,29 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "wan";
 			nvmem-cells = <&et0macaddr 1>;
 			nvmem-cell-names = "mac-address";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan4";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan3";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan2";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "lan1";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts b/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
index 8a6d19f985c1..d55e10095eae 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
@@ -69,14 +69,11 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
index 52783a4b6f99..ccf031c0e276 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -123,36 +123,29 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 			nvmem-cells = <&et0macaddr 5>;
 			nvmem-cell-names = "mac-address";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
index 2dd05f4dce92..789dd2a3d226 100644
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
@@ -98,36 +98,29 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "lan4";
 		};
 
 		port@1 {
-			reg = <1>;
 			label = "lan3";
 		};
 
 		port@2 {
-			reg = <2>;
 			label = "lan2";
 		};
 
 		port@3 {
-			reg = <3>;
 			label = "lan1";
 		};
 
 		port@4 {
-			reg = <4>;
 			label = "wan";
 			nvmem-cells = <&et0macaddr 5>;
 			nvmem-cell-names = "mac-address";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/bcm53015-meraki-mr26.dts b/arch/arm/boot/dts/bcm53015-meraki-mr26.dts
index 071f2cb97251..24ba467c67b9 100644
--- a/arch/arm/boot/dts/bcm53015-meraki-mr26.dts
+++ b/arch/arm/boot/dts/bcm53015-meraki-mr26.dts
@@ -115,14 +115,11 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "poe";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 
 			fixed-link {
 				speed = <1000>;
diff --git a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
index 46c2c93b01d8..559d6c371d67 100644
--- a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
+++ b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
@@ -176,14 +176,11 @@ &srab {
 
 	ports {
 		port@0 {
-			reg = <0>;
 			label = "poe";
 		};
 
 		port@5 {
-			reg = <5>;
 			label = "cpu";
-			ethernet = <&gmac0>;
 
 			fixed-link {
 				speed = <1000>;
