Add the node for the first ethernet interface on qcs8300 platform.
Add the internal SGMII/SerDes PHY node as well.

Signed-off-by: Yijie Yang <quic_yijiyang@quicinc.com>
---
 arch/arm64/boot/dts/qcom/qcs8300.dtsi | 43 +++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
index 2c35f96c3f28..bf6030d33e56 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
@@ -772,6 +772,15 @@ lpass_ag_noc: interconnect@3c40000 {
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
+		serdes0: phy@8909000 {
+			compatible = "qcom,qcs8300-dwmac-sgmii-phy", "qcom,sa8775p-dwmac-sgmii-phy";
+			reg = <0x0 0x8909000 0x0 0xe10>;
+			clocks = <&gcc GCC_SGMI_CLKREF_EN>;
+			clock-names = "sgmi_ref";
+			#phy-cells = <0>;
+			status = "disabled";
+		};
+
 		pmu@9091000 {
 			compatible = "qcom,qcs8300-llcc-bwmon", "qcom,sc7280-llcc-bwmon";
 			reg = <0x0 0x9091000 0x0 0x1000>;
@@ -1308,6 +1317,40 @@ IPCC_MPROC_SIGNAL_GLINK_QMP
 			};
 		};
 
+		ethernet0: ethernet@23040000 {
+			compatible = "qcom,qcs8300-ethqos", "qcom,sa8775p-ethqos";
+			reg = <0x0 0x23040000 0x0 0x10000>,
+			      <0x0 0x23056000 0x0 0x100>;
+			reg-names = "stmmaceth", "rgmii";
+
+			interrupts = <GIC_SPI 946 IRQ_TYPE_LEVEL_HIGH>,
+			             <GIC_SPI 783 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "sfty";
+
+			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 GCC_EMAC0_GDSC>;
+
+			phys = <&serdes0>;
+			phy-names = "serdes";
+
+			iommus = <&apps_smmu 0x120 0xf>;
+			dma-coherent;
+
+			snps,tso;
+			snps,pbl = <32>;
+			rx-fifo-depth = <16384>;
+			tx-fifo-depth = <20480>;
+
+			status = "disabled";
+		};
+
 		nspa_noc: interconnect@260c0000 {
 			compatible = "qcom,qcs8300-nspa-noc";
 			reg = <0x0 0x260c0000 0x0 0x16080>;

-- 
2.34.1