[PATCH net-next RFC v4 2/4] riscv: dts: sophgo: Add ethernet device for cv18xx

Inochi Amaoto
2025-07-01T01:17:56Z

Add ethernet controller device node for cv18xx SoC.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---
arch/riscv/boot/dts/sophgo/cv180x.dtsi | 44 ++++++++++++++++++++++++++
1 file changed, 44 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index e91bb512b099..7eecc67f896e 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -189,6 +189,50 @@ i2c4: i2c@4040000 {
status = "disabled";
};

+ gmac0: ethernet@4070000 {
+ compatible = "sophgo,cv1800b-dwmac", "snps,dwmac-3.70a";
+ reg = <0x04070000 0x10000>;
+ clocks = <&clk CLK_AXI4_ETH0>, <&clk CLK_ETH0_500M>;
+ clock-names = "stmmaceth", "ptp_ref";
+ interrupts = <SOC_PERIPHERAL_IRQ(15) IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ resets = <&rst RST_ETH0>;
+ reset-names = "stmmaceth";
+ 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";
+
+ gmac0_mdio: mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <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@4140000 {
compatible = "snps,dw-apb-uart";
reg = <0x04140000 0x100>;
--
2.50.0