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[PW_SID:959968] riscv: sophgo: Add ethernet support for SG2042 #380

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[PW_SID:959968] riscv: sophgo: Add ethernet support for SG2042 #380

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19b717f
dt-bindings: net: sophgo,sg2044-dwmac: Add support for Sophgo SG2042 …
inochisa May 6, 2025
fcdb4d1
net: stmmac: dwmac-sophgo: Add support for Sophgo SG2042 SoC
inochisa May 6, 2025
2f946f4
net: stmmac: platform: Add snps,dwmac-5.00a IP compatible string
inochisa May 6, 2025
7cb9917
riscv: dts: sophgo: add ethernet GMAC device for sg2042
inochisa May 6, 2025
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4 changes: 4 additions & 0 deletions Documentation/devicetree/bindings/net/snps,dwmac.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ select:
- snps,dwmac-4.00
- snps,dwmac-4.10a
- snps,dwmac-4.20a
- snps,dwmac-5.00a
- snps,dwmac-5.10a
- snps,dwmac-5.20
- snps,dwmac-5.30a
Expand Down Expand Up @@ -97,11 +98,13 @@ properties:
- snps,dwmac-4.00
- snps,dwmac-4.10a
- snps,dwmac-4.20a
- snps,dwmac-5.00a
- snps,dwmac-5.10a
- snps,dwmac-5.20
- snps,dwmac-5.30a
- snps,dwxgmac
- snps,dwxgmac-2.10
- sophgo,sg2042-dwmac
- sophgo,sg2044-dwmac
- starfive,jh7100-dwmac
- starfive,jh7110-dwmac
Expand Down Expand Up @@ -634,6 +637,7 @@ allOf:
- snps,dwmac-4.00
- snps,dwmac-4.10a
- snps,dwmac-4.20a
- snps,dwmac-5.00a
- snps,dwmac-5.10a
- snps,dwmac-5.20
- snps,dwmac-5.30a
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11 changes: 8 additions & 3 deletions Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
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Expand Up @@ -15,14 +15,19 @@ select:
contains:
enum:
- sophgo,sg2044-dwmac
- sophgo,sg2042-dwmac
required:
- compatible

properties:
compatible:
items:
- const: sophgo,sg2044-dwmac
- const: snps,dwmac-5.30a
oneOf:
- items:
- const: sophgo,sg2042-dwmac
- const: snps,dwmac-5.00a
- items:
- const: sophgo,sg2044-dwmac
- const: snps,dwmac-5.30a

reg:
maxItems: 1
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62 changes: 62 additions & 0 deletions arch/riscv/boot/dts/sophgo/sg2042.dtsi
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Expand Up @@ -537,6 +537,68 @@
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>;
snps,rx-sched-wsp;
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>;
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1 change: 1 addition & 0 deletions drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c
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Expand Up @@ -54,6 +54,7 @@ static int sophgo_dwmac_probe(struct platform_device *pdev)
}

static const struct of_device_id sophgo_dwmac_match[] = {
{ .compatible = "sophgo,sg2042-dwmac" },
{ .compatible = "sophgo,sg2044-dwmac" },
{ /* sentinel */ }
};
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1 change: 1 addition & 0 deletions drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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Expand Up @@ -410,6 +410,7 @@ static const char * const stmmac_gmac4_compats[] = {
"snps,dwmac-4.00",
"snps,dwmac-4.10a",
"snps,dwmac-4.20a",
"snps,dwmac-5.00a",
"snps,dwmac-5.10a",
"snps,dwmac-5.20",
"snps,dwmac-5.30a",
Expand Down