+    ethernet: ethernet@7a80000 {
+        compatible = "qcom,sa8255p-ethqos";
+        reg = <0x23040000 0x10000>,
+              <0x23056000 0x100>;
+        reg-names = "stmmaceth", "rgmii";
+
+        iommus = <&apps_smmu 0x120 0x7>;
+
+        interrupts = <GIC_SPI 946 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 782 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "macirq", "sfty";
+
+        dma-coherent;
+
+        snps,tso;
+        snps,pbl = <32>;
+        rx-fifo-depth = <16384>;
+        tx-fifo-depth = <16384>;
+
+        phy-handle = <&sgmii_phy1>;
+        phy-mode = "2500base-x";

Nitpicking: It is clearly not an SGMII PHY if it support
2500BaseX. You might want to give the node a better name.

+        snps,mtl-rx-config = <&mtl_rx_setup1>;
+        snps,mtl-tx-config = <&mtl_tx_setup1>;
+        snps,ps-speed = <1000>;

Since this MAC can do 2.5G, is 1000 correct here?

      Andrew