ARM: dts: rockchip: Enable Ethernet on rv1126 Neu2-IO

Rockchip RV1126 has GMAC 10/100/1000M ethernet controller.
Enable ethernet node on Neu2-IO board.

Co-Developed-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Anand Moon <anand@edgeble.ai>
Link: https://lore.kernel.org/r/20230111172437.5295-4-anand@edgeble.ai
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
index dded0a1..3340fc3 100644 (file)
--- a/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
+++ b/arch/arm/boot/dts/rv1126-edgeble-neu2-io.dts
@@ -22,6 +22,43 @@
        };
 };
 
+&gmac {
+       assigned-clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>,
+                         <&cru CLK_GMAC_ETHERNET_OUT>;
+       assigned-clock-parents = <&cru CLK_GMAC_SRC_M1>, <&cru RGMII_MODE_CLK>;
+       assigned-clock-rates = <125000000>, <0>, <25000000>;
+       clock_in_out = "input";
+       phy-handle = <&phy>;
+       phy-mode = "rgmii";
+       phy-supply = <&vcc_3v3>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&rgmiim1_pins &clk_out_ethernetm1_pins>;
+       tx_delay = <0x2a>;
+       rx_delay = <0x1a>;
+       status = "okay";
+};
+
+&mdio {
+       phy: ethernet-phy@0 {
+               compatible = "ethernet-phy-id001c.c916",
+                            "ethernet-phy-ieee802.3-c22";
+               reg = <0x0>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&eth_phy_rst>;
+               reset-assert-us = <20000>;
+               reset-deassert-us = <100000>;
+               reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+       };
+};
+
+&pinctrl {
+       ethernet {
+               eth_phy_rst: eth-phy-rst {
+                       rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
+       };
+};
+
 &sdmmc {
        bus-width = <4>;
        cap-mmc-highspeed;