diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
index 9fa4af8fd66..ab96b8fdd12 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_bzv.dtsi
@@ -223,47 +223,208 @@
 	status = "okay";
 
 	partitions {
-		compatible = "fixed-partitions";
+		compatible = "sercomm,sc-partitions", "fixed-partitions";
 		#address-cells = <1>;
 		#size-cells = <1>;
 
 		partition@0 {
 			label = "u-boot";
 			reg = <0x0 0x100000>;
+			sercomm,scpart-id = <0>;
 			read-only;
 		};
 
 		partition@100000 {
 			label = "SC PART_MAP";
 			reg = <0x100000 0x100000>;
+			sercomm,scpart-id = <1>;
 			read-only;
 		};
 
 		partition@200000 {
 			label = "kernel";
 			reg = <0x200000 0x400000>;
+			sercomm,scpart-id = <2>;
 		};
 
 		partition@600000 {
 			label = "ubi";
 			reg = <0x600000 0x2800000>;
+			sercomm,scpart-id = <3>;
 		};
 
 		partition@2e00000 {
-			label = "reserved0";
-			reg = <0x2e00000 0x1800000>;
+			label = "English UI";
+			reg = <0x2e00000 0x200000>;
+			sercomm,scpart-id = <4>;
+			read-only;
+		};
+
+		partition@3000000 {
+			label = "ML1";
+			reg = <0x3000000 0x200000>;
+			sercomm,scpart-id = <5>;
+			read-only;
+		};
+
+		partition@3200000 {
+			label = "ML2";
+			reg = <0x3200000 0x200000>;
+			sercomm,scpart-id = <6>;
+			read-only;
+		};
+
+		partition@3400000 {
+			label = "ML3";
+			reg = <0x3400000 0x200000>;
+			sercomm,scpart-id = <7>;
+			read-only;
+		};
+
+		partition@3600000 {
+			label = "ML4";
+			reg = <0x3600000 0x200000>;
+			sercomm,scpart-id = <8>;
+			read-only;
+		};
+
+		partition@3800000 {
+			label = "ML5";
+			reg = <0x3800000 0x200000>;
+			sercomm,scpart-id = <9>;
+			read-only;
+		};
+
+		partition@3a00000 {
+			label = "ML6";
+			reg = <0x3a00000 0x200000>;
+			sercomm,scpart-id = <10>;
+			read-only;
+		};
+
+		partition@3c00000 {
+			label = "ML7";
+			reg = <0x3c00000 0x200000>;
+			sercomm,scpart-id = <11>;
+			read-only;
+		};
+
+		partition@3e00000 {
+			label = "ML8";
+			reg = <0x3e00000 0x200000>;
+			sercomm,scpart-id = <12>;
+			read-only;
+		};
+
+		partition@4000000 {
+			label = "ML9";
+			reg = <0x4000000 0x200000>;
+			sercomm,scpart-id = <13>;
+			read-only;
+		};
+
+		partition@4200000 {
+			label = "ML10";
+			reg = <0x4200000 0x200000>;
+			sercomm,scpart-id = <14>;
+			read-only;
+		};
+
+		partition@4400000 {
+			label = "ML11";
+			reg = <0x4400000 0x200000>;
+			sercomm,scpart-id = <15>;
 			read-only;
 		};
 
 		factory: partition@4600000 {
 			label = "factory";
 			reg = <0x4600000 0x200000>;
+			sercomm,scpart-id = <16>;
 			read-only;
 		};
 
 		partition@4800000 {
+			label = "SC Private Data";
+			reg = <0x4800000 0x200000>;
+			sercomm,scpart-id = <17>;
+			read-only;
+		};
+
+		partition@4a00000 {
+			label = "POT";
+			reg = <0x4a00000 0x200000>;
+			sercomm,scpart-id = <18>;
+			read-only;
+		};
+
+		partition@4c00000 {
+			label = "Traffic Meter";
+			reg = <0x4c00000 0x200000>;
+			sercomm,scpart-id = <19>;
+			read-only;
+		};
+
+		partition@4e00000 {
+			label = "SC PID";
+			reg = <0x4e00000 0x200000>;
+			sercomm,scpart-id = <20>;
+			read-only;
+		};
+
+		partition@5000000 {
+			label = "SC Nvram";
+			reg = <0x5000000 0x200000>;
+			sercomm,scpart-id = <21>;
+			read-only;
+		};
+
+		partition@5200000 {
+			label = "Ralink Nvram";
+			reg = <0x5200000 0x200000>;
+			sercomm,scpart-id = <22>;
+			read-only;
+		};
+
+		partition@5400000 {
+			label = "reserved0";
+			reg = <0x5400000 0x200000>;
+			sercomm,scpart-id = <23>;
+			read-only;
+		};
+
+		partition@5600000 {
 			label = "reserved1";
-			reg = <0x4800000 0x3800000>;
+			reg = <0x5600000 0x200000>;
+			sercomm,scpart-id = <24>;
+			read-only;
+		};
+
+		partition@5800000 {
+			label = "reserved2";
+			reg = <0x5800000 0x200000>;
+			sercomm,scpart-id = <25>;
+			read-only;
+		};
+
+		partition@5a00000 {
+			label = "reserved3";
+			reg = <0x5a00000 0x200000>;
+			sercomm,scpart-id = <26>;
+			read-only;
+		};
+
+		partition@5c00000 {
+			label = "reserved4";
+			reg = <0x5c00000 0x200000>;
+			sercomm,scpart-id = <27>;
+			read-only;
+		};
+
+		partition@5e00000 {
+			label = "reserved5";
+			reg = <0x5e00000 0x2180000>;
+			sercomm,scpart-id = <28>;
 			read-only;
 		};
 	};
diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
index eaf12a891ef..cd9582e5412 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
@@ -151,47 +151,208 @@
 	status = "okay";
 
 	partitions {
-		compatible = "fixed-partitions";
+		compatible = "sercomm,sc-partitions", "fixed-partitions";
 		#address-cells = <1>;
 		#size-cells = <1>;
 
 		partition@0 {
 			label = "u-boot";
 			reg = <0x0 0x100000>;
+			sercomm,scpart-id = <0>;
 			read-only;
 		};
 
 		partition@100000 {
 			label = "SC PART_MAP";
 			reg = <0x100000 0x100000>;
+			sercomm,scpart-id = <1>;
 			read-only;
 		};
 
 		partition@200000 {
 			label = "kernel";
 			reg = <0x200000 0x400000>;
+			sercomm,scpart-id = <2>;
 		};
 
 		partition@600000 {
 			label = "ubi";
 			reg = <0x600000 0x2800000>;
+			sercomm,scpart-id = <3>;
 		};
 
 		partition@2e00000 {
-			label = "reserved0";
-			reg = <0x2e00000 0x1800000>;
+			label = "English UI";
+			reg = <0x2e00000 0x200000>;
+			sercomm,scpart-id = <4>;
+			read-only;
+		};
+
+		partition@3000000 {
+			label = "ML1";
+			reg = <0x3000000 0x200000>;
+			sercomm,scpart-id = <5>;
+			read-only;
+		};
+
+		partition@3200000 {
+			label = "ML2";
+			reg = <0x3200000 0x200000>;
+			sercomm,scpart-id = <6>;
+			read-only;
+		};
+
+		partition@3400000 {
+			label = "ML3";
+			reg = <0x3400000 0x200000>;
+			sercomm,scpart-id = <7>;
+			read-only;
+		};
+
+		partition@3600000 {
+			label = "ML4";
+			reg = <0x3600000 0x200000>;
+			sercomm,scpart-id = <8>;
+			read-only;
+		};
+
+		partition@3800000 {
+			label = "ML5";
+			reg = <0x3800000 0x200000>;
+			sercomm,scpart-id = <9>;
+			read-only;
+		};
+
+		partition@3a00000 {
+			label = "ML6";
+			reg = <0x3a00000 0x200000>;
+			sercomm,scpart-id = <10>;
+			read-only;
+		};
+
+		partition@3c00000 {
+			label = "ML7";
+			reg = <0x3c00000 0x200000>;
+			sercomm,scpart-id = <11>;
+			read-only;
+		};
+
+		partition@3e00000 {
+			label = "ML8";
+			reg = <0x3e00000 0x200000>;
+			sercomm,scpart-id = <12>;
+			read-only;
+		};
+
+		partition@4000000 {
+			label = "ML9";
+			reg = <0x4000000 0x200000>;
+			sercomm,scpart-id = <13>;
+			read-only;
+		};
+
+		partition@4200000 {
+			label = "ML10";
+			reg = <0x4200000 0x200000>;
+			sercomm,scpart-id = <14>;
+			read-only;
+		};
+
+		partition@4400000 {
+			label = "ML11";
+			reg = <0x4400000 0x200000>;
+			sercomm,scpart-id = <15>;
 			read-only;
 		};
 
 		factory: partition@4600000 {
 			label = "factory";
 			reg = <0x4600000 0x200000>;
+			sercomm,scpart-id = <16>;
 			read-only;
 		};
 
 		partition@4800000 {
+			label = "SC Private Data";
+			reg = <0x4800000 0x200000>;
+			sercomm,scpart-id = <17>;
+			read-only;
+		};
+
+		partition@4a00000 {
+			label = "POT";
+			reg = <0x4a00000 0x200000>;
+			sercomm,scpart-id = <18>;
+			read-only;
+		};
+
+		partition@4c00000 {
+			label = "Traffic Meter";
+			reg = <0x4c00000 0x200000>;
+			sercomm,scpart-id = <19>;
+			read-only;
+		};
+
+		partition@4e00000 {
+			label = "SC PID";
+			reg = <0x4e00000 0x200000>;
+			sercomm,scpart-id = <20>;
+			read-only;
+		};
+
+		partition@5000000 {
+			label = "SC Nvram";
+			reg = <0x5000000 0x200000>;
+			sercomm,scpart-id = <21>;
+			read-only;
+		};
+
+		partition@5200000 {
+			label = "Ralink Nvram";
+			reg = <0x5200000 0x200000>;
+			sercomm,scpart-id = <22>;
+			read-only;
+		};
+
+		partition@5400000 {
+			label = "reserved0";
+			reg = <0x5400000 0x200000>;
+			sercomm,scpart-id = <23>;
+			read-only;
+		};
+
+		partition@5600000 {
 			label = "reserved1";
-			reg = <0x4800000 0x3800000>;
+			reg = <0x5600000 0x200000>;
+			sercomm,scpart-id = <24>;
+			read-only;
+		};
+
+		partition@5800000 {
+			label = "reserved2";
+			reg = <0x5800000 0x200000>;
+			sercomm,scpart-id = <25>;
+			read-only;
+		};
+
+		partition@5a00000 {
+			label = "reserved3";
+			reg = <0x5a00000 0x200000>;
+			sercomm,scpart-id = <26>;
+			read-only;
+		};
+
+		partition@5c00000 {
+			label = "reserved4";
+			reg = <0x5c00000 0x200000>;
+			sercomm,scpart-id = <27>;
+			read-only;
+		};
+
+		partition@5e00000 {
+			label = "reserved5";
+			reg = <0x5e00000 0x2180000>;
+			sercomm,scpart-id = <28>;
 			read-only;
 		};
 	};