[PATCH] riscv: dts: sophgo: Add ethernet configuration for cv18xx

[Inochi Amaoto]

Add DT configuration for ethernet controller for cv18xx SoC.

Signed-off-by: Inochi Amaoto <inochiama at gmail.com>
---
 .../boot/dts/sophgo/cv1812h-huashan-pi.dts    |  4 ++
 arch/riscv/boot/dts/sophgo/cv18xx.dtsi        | 49 +++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index 26b57e15adc1..a0acae675a82 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -55,6 +55,10 @@ &emmc {
 	non-removable;
 };
 
+&gmac0 {
+	status = "okay";
+};
+
 &sdhci0 {
 	status = "okay";
 	bus-width = <4>;
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index c18822ec849f..50933e5b4c75 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -210,6 +210,55 @@ i2c4: i2c at 4040000 {
 			status = "disabled";
 		};
 
+		gmac0: ethernet at 4070000 {
+			compatible = "snps,dwmac-3.70a";
+			reg = <0x04070000 0x10000>;
+			clocks = <&clk CLK_AXI4_ETH0>, <&clk CLK_ETH0_500M>;
+			clock-names = "stmmaceth", "ptp_ref";
+			interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			phy-handle = <&phy0>;
+			phy-mode = "rmii";
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,multicast-filter-bins = <0>;
+			snps,perfect-filter-entries = <1>;
+			snps,aal;
+			snps,txpbl = <8>;
+			snps,rxpbl = <8>;
+			snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
+			snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
+			snps,axi-config = <&gmac0_stmmac_axi_setup>;
+			status = "disabled";
+
+			mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				phy0: phy at 0 {
+					compatible = "ethernet-phy-ieee802.3-c22";
+					reg = <0>;
+				};
+			};
+
+			gmac0_mtl_rx_setup: rx-queues-config {
+				snps,rx-queues-to-use = <1>;
+				queue0 {};
+			};
+
+			gmac0_mtl_tx_setup: tx-queues-config {
+				snps,tx-queues-to-use = <1>;
+				queue0 {};
+			};
+
+			gmac0_stmmac_axi_setup: stmmac-axi-config {
+				snps,blen = <16 8 4 0 0 0 0>;
+				snps,rd_osr_lmt = <2>;
+				snps,wr_osr_lmt = <1>;
+			};
+		};
+
 		uart0: serial at 4140000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x04140000 0x100>;
-- 
2.47.0