xref: /linux/arch/arm64/boot/dts/ti/k3-am642-evm-icssg1-dualemac.dtso (revision ae0aba1218a0c67f144706c48502f534b2756491)

// SPDX-License-Identifier: GPL-2.0-only OR MIT
/**
 * DT overlay for enabling 2nd ICSSG1 port on AM642 EVM
 *
 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include "k3-pinctrl.h"

&{/} {
	aliases {
		ethernet1 = "/icssg1-eth/ethernet-ports/port@1";
	};

	mdio-mux-2 {
		compatible = "mdio-mux-multiplexer";
		mux-controls = <&mdio_mux>;
		mdio-parent-bus = <&icssg1_mdio>;
		#address-cells = <1>;
		#size-cells = <0>;

		mdio@0 {
			reg = <0x0>;
			#address-cells = <1>;
			#size-cells = <0>;

			icssg1_phy2: ethernet-phy@3 {
				reg = <3>;
				tx-internal-delay-ps = <250>;
				rx-internal-delay-ps = <2000>;
			};
		};
	};
};

&main_pmx0 {
	icssg1_rgmii2_pins_default: icssg1-rgmii2-default-pins {
		pinctrl-single,pins = <
			AM64X_IOPAD(0x0108, PIN_INPUT, 2) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */
			AM64X_IOPAD(0x010c, PIN_INPUT, 2) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */
			AM64X_IOPAD(0x0110, PIN_INPUT, 2) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */
			AM64X_IOPAD(0x0114, PIN_INPUT, 2) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */
			AM64X_IOPAD(0x0120, PIN_INPUT, 2) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */
			AM64X_IOPAD(0x0118, PIN_INPUT, 2) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */
			AM64X_IOPAD(0x0134, PIN_OUTPUT, 2) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */
			AM64X_IOPAD(0x0138, PIN_OUTPUT, 2) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */
			AM64X_IOPAD(0x013c, PIN_OUTPUT, 2) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */
			AM64X_IOPAD(0x0140, PIN_OUTPUT, 2) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */
			AM64X_IOPAD(0x0148, PIN_OUTPUT, 2) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */
			AM64X_IOPAD(0x0144, PIN_OUTPUT, 2) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */
		>;
	};
};

&cpsw3g {
	pinctrl-0 = <&rgmii1_pins_default>;
};

&cpsw_port2 {
	status = "disabled";
};

&mdio_mux_1 {
	status = "disabled";
};

&icssg1_eth {
	pinctrl-0 = <&icssg1_rgmii1_pins_default>, <&icssg1_rgmii2_pins_default>;
};

&icssg1_emac1 {
	status = "okay";
	phy-handle = <&icssg1_phy2>;
	phy-mode = "rgmii-id";
};