arm64: dts: allwinner: a523: Add GMAC200 ethernet controller

The A523 SoC family has a second ethernet controller, called the
GMAC200. It is not exposed on all the SoCs in the family.

Add a device node for it. All the hardware specific settings are from
the vendor BSP.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20250923140247.2622602-4-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
index 7b36c47a3a13991c516b97827e49ec940f01975c..a9e051a8bea3fd8271c8ed4d8c01e78f1f2e1b39 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
@@ -182,6 +182,16 @@
                                bias-disable;
                        };
 
+                       rgmii1_pins: rgmii1-pins {
+                               pins = "PJ0", "PJ1", "PJ2", "PJ3", "PJ4",
+                                      "PJ5", "PJ6", "PJ7", "PJ8", "PJ9",
+                                      "PJ11", "PJ12", "PJ13", "PJ14", "PJ15";
+                               allwinner,pinmux = <5>;
+                               function = "gmac1";
+                               drive-strength = <40>;
+                               bias-disable;
+                       };
+
                        uart0_pb_pins: uart0-pb-pins {
                                pins = "PB9", "PB10";
                                allwinner,pinmux = <2>;
@@ -603,6 +613,51 @@
                        };
                };
 
+               gmac1: ethernet@4510000 {
+                       compatible = "allwinner,sun55i-a523-gmac200",
+                                    "snps,dwmac-4.20a";
+                       reg = <0x04510000 0x10000>;
+                       clocks = <&ccu CLK_BUS_EMAC1>, <&ccu CLK_MBUS_EMAC1>;
+                       clock-names = "stmmaceth", "mbus";
+                       resets = <&ccu RST_BUS_EMAC1>;
+                       reset-names = "stmmaceth";
+                       interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "macirq";
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&rgmii1_pins>;
+                       power-domains = <&pck600 PD_VO1>;
+                       syscon = <&syscon>;
+                       snps,fixed-burst;
+                       snps,axi-config = <&gmac1_stmmac_axi_setup>;
+                       snps,mtl-rx-config = <&gmac1_mtl_rx_setup>;
+                       snps,mtl-tx-config = <&gmac1_mtl_tx_setup>;
+                       status = "disabled";
+
+                       mdio1: mdio {
+                               compatible = "snps,dwmac-mdio";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                       };
+
+                       gmac1_mtl_rx_setup: rx-queues-config {
+                               snps,rx-queues-to-use = <1>;
+
+                               queue0 {};
+                       };
+
+                       gmac1_stmmac_axi_setup: stmmac-axi-config {
+                               snps,wr_osr_lmt = <0xf>;
+                               snps,rd_osr_lmt = <0xf>;
+                               snps,blen = <256 128 64 32 16 8 4>;
+                       };
+
+                       gmac1_mtl_tx_setup: tx-queues-config {
+                               snps,tx-queues-to-use = <1>;
+
+                               queue0 {};
+                       };
+               };
+
                ppu: power-controller@7001400 {
                        compatible = "allwinner,sun55i-a523-ppu";
                        reg = <0x07001400 0x400>;