FROMLIST: arm64: dts: qcom: qcs615: add ethernet node

Add an ethernet controller node for QCS615 SoC to enable ethernet
functionality.

Link: https://lore.kernel.org/r/20250121-dts_qcs615-v3-3-fa4496950d8a@quicinc.com
Signed-off-by: Yijie Yang <quic_yijiyang@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Author: yijiyang

arch/arm64/boot/dts/qcom/qcs615.dtsi

@@ -438,6 +438,40 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 
+		ethernet: ethernet@20000 {
+			compatible = "qcom,qcs615-ethqos", "qcom,qcs404-ethqos";
+			reg = <0x0 0x00020000 0x0 0x10000>,
+			      <0x0 0x00036000 0x0 0x100>;
+			reg-names = "stmmaceth",
+				    "rgmii";
+
+			clocks = <&gcc GCC_EMAC_AXI_CLK>,
+				 <&gcc GCC_EMAC_SLV_AHB_CLK>,
+				 <&gcc GCC_EMAC_PTP_CLK>,
+				 <&gcc GCC_EMAC_RGMII_CLK>;
+			clock-names = "stmmaceth",
+				      "pclk",
+				      "ptp_ref",
+				      "rgmii";
+
+			interrupts = <GIC_SPI 660 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 661 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq",
+					  "eth_lpi";
+
+			power-domains = <&gcc EMAC_GDSC>;
+			resets = <&gcc GCC_EMAC_BCR>;
+
+			iommus = <&apps_smmu 0x1c0 0x0>;
+
+			snps,tso;
+			snps,pbl = <32>;
+			rx-fifo-depth = <16384>;
+			tx-fifo-depth = <20480>;
+
+			status = "disabled";
+		};
+
 		gcc: clock-controller@100000 {
 			compatible = "qcom,qcs615-gcc";
 			reg = <0 0x00100000 0 0x1f0000>;