arm64: dts: qcom: sa8775p: add the first 1Gb ethernet interface

Add the node for the first ethernet interface on sa8775p platforms.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20230622120142.218055-3-brgl@bgdev.plSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sa8775p.dtsi

@@ -2315,6 +2315,39 @@ cpufreq_hw: cpufreq@18591000 {
 
 			#freq-domain-cells = <1>;
 		};
+
+		ethernet0: ethernet@23040000 {
+			compatible = "qcom,sa8775p-ethqos";
+			reg = <0x0 0x23040000 0x0 0x10000>,
+			      <0x0 0x23056000 0x0 0x100>;
+			reg-names = "stmmaceth", "rgmii";
+
+			interrupts = <GIC_SPI 946 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+
+			clocks = <&gcc GCC_EMAC0_AXI_CLK>,
+				 <&gcc GCC_EMAC0_SLV_AHB_CLK>,
+				 <&gcc GCC_EMAC0_PTP_CLK>,
+				 <&gcc GCC_EMAC0_PHY_AUX_CLK>;
+			clock-names = "stmmaceth",
+				      "pclk",
+				      "ptp_ref",
+				      "phyaux";
+
+			power-domains = <&gcc EMAC0_GDSC>;
+
+			phys = <&serdes0>;
+			phy-names = "serdes";
+
+			iommus = <&apps_smmu 0x120 0xf>;
+
+			snps,tso;
+			snps,pbl = <32>;
+			rx-fifo-depth = <16384>;
+			tx-fifo-depth = <16384>;
+
+			status = "disabled";
+		};
 	};
 
 	arch_timer: timer {