diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
index 666925c7fba4d03f8f6e22815b4ef313ba2061c2..30624378316dad4415b00efc93372ccc6d14a896 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
@@ -7,6 +7,14 @@ / {
 	model = "Zaius BMC";
 	compatible = "ingrasys,zaius-bmc", "aspeed,ast2500";
 
+	aliases {
+		i2c15 = &i2cpcie0;
+		i2c16 = &i2cpcie1;
+		i2c17 = &i2cpcie2;
+		i2c19 = &i2cpcie3;
+		i2c20 = &i2cpcie4;
+	};
+
 	chosen {
 		stdout-path = &uart5;
 		bootargs = "console=ttyS4,115200 earlyprintk";
@@ -223,6 +231,27 @@ i2c-switch@71 {
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+
+		i2cpcie0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+		i2cpcie1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+		i2cpcie2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+		i2ctpm: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
 	};
 
 	/* MUX1 PCA9546A @71h
@@ -253,6 +282,17 @@ i2c-switch@71 {
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+
+		i2cpcie3: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+		i2cpcie4: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
 	};
 
 	/* MUX1 PCA9546A @71h