Add ethernet GMAC device node for the sg2042. Signed-off-by: Inochi Amaoto Tested-by: Han Gao --- Require the ethernet patch series for functional device: https://lore.kernel.org/all/20250708064052.507094-1-inochiama@gmail.com/ Real board dts patch: https://lore.kernel.org/linux-riscv/cover.1751700954.git.rabenda.cn@gmail.com/ Change from v1: - https://lore.kernel.org/all/20250506093256.1107770-1-inochiama@gmail.com 1. separate from the original series and add dependency id --- arch/riscv/boot/dts/sophgo/sg2042.dtsi | 61 ++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi index 85636d1798f1..b3e4d3c18fdc 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi @@ -569,6 +569,67 @@ spi1: spi@7040005000 { status = "disabled"; }; + gmac0: ethernet@7040026000 { + compatible = "sophgo,sg2042-dwmac", "snps,dwmac-5.00a"; + reg = <0x70 0x40026000 0x0 0x4000>; + clocks = <&clkgen GATE_CLK_AXI_ETH0>, + <&clkgen GATE_CLK_PTP_REF_I_ETH0>, + <&clkgen GATE_CLK_TX_ETH0>; + clock-names = "stmmaceth", "ptp_ref", "tx"; + dma-noncoherent; + interrupt-parent = <&intc>; + interrupts = <132 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq"; + resets = <&rstgen RST_ETH0>; + reset-names = "stmmaceth"; + snps,multicast-filter-bins = <0>; + snps,perfect-filter-entries = <1>; + snps,aal; + snps,tso; + snps,txpbl = <32>; + snps,rxpbl = <32>; + 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>; + }; + + gmac0_mtl_rx_setup: rx-queues-config { + snps,rx-queues-to-use = <8>; + queue0 {}; + queue1 {}; + queue2 {}; + queue3 {}; + queue4 {}; + queue5 {}; + queue6 {}; + queue7 {}; + }; + + gmac0_mtl_tx_setup: tx-queues-config { + snps,tx-queues-to-use = <8>; + queue0 {}; + queue1 {}; + queue2 {}; + queue3 {}; + queue4 {}; + queue5 {}; + queue6 {}; + queue7 {}; + }; + + gmac0_stmmac_axi_setup: stmmac-axi-config { + snps,blen = <16 8 4 0 0 0 0>; + snps,wr_osr_lmt = <1>; + snps,rd_osr_lmt = <2>; + }; + }; + emmc: mmc@704002a000 { compatible = "sophgo,sg2042-dwcmshc"; reg = <0x70 0x4002a000 0x0 0x1000>; base-commit: cc6a9fb055e446e76a23867e42f12c4eff44eb00 prerequisite-patch-id: 7a82e319b011e5d0486a6ef4216d931d671c9f53 prerequisite-patch-id: 5a30fb99ec483c1f5a8dca97df862c3a042c9027 prerequisite-patch-id: e0da79790a934916d9fc39c18e8e98c9596d27ab -- 2.50.0