1// SPDX-License-Identifier: GPL-2.0-only OR MIT 2/** 3 * DT overlay for enabling 2nd ICSSG1 port on AM642 EVM 4 * 5 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/ 6 */ 7 8/dts-v1/; 9/plugin/; 10 11#include <dt-bindings/gpio/gpio.h> 12#include "k3-pinctrl.h" 13 14&{/} { 15 aliases { 16 ethernet1 = "/icssg1-eth/ethernet-ports/port@1"; 17 }; 18 19 mdio-mux-2 { 20 compatible = "mdio-mux-multiplexer"; 21 mux-controls = <&mdio_mux>; 22 mdio-parent-bus = <&icssg1_mdio>; 23 #address-cells = <1>; 24 #size-cells = <0>; 25 26 mdio@0 { 27 reg = <0x0>; 28 #address-cells = <1>; 29 #size-cells = <0>; 30 31 icssg1_phy2: ethernet-phy@3 { 32 reg = <3>; 33 tx-internal-delay-ps = <250>; 34 rx-internal-delay-ps = <2000>; 35 }; 36 }; 37 }; 38}; 39 40&main_pmx0 { 41 icssg1_rgmii2_pins_default: icssg1-rgmii2-default-pins { 42 pinctrl-single,pins = < 43 AM64X_IOPAD(0x0108, PIN_INPUT, 2) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */ 44 AM64X_IOPAD(0x010c, PIN_INPUT, 2) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */ 45 AM64X_IOPAD(0x0110, PIN_INPUT, 2) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */ 46 AM64X_IOPAD(0x0114, PIN_INPUT, 2) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */ 47 AM64X_IOPAD(0x0120, PIN_INPUT, 2) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */ 48 AM64X_IOPAD(0x0118, PIN_INPUT, 2) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */ 49 AM64X_IOPAD(0x0134, PIN_OUTPUT, 2) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */ 50 AM64X_IOPAD(0x0138, PIN_OUTPUT, 2) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */ 51 AM64X_IOPAD(0x013c, PIN_OUTPUT, 2) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */ 52 AM64X_IOPAD(0x0140, PIN_OUTPUT, 2) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */ 53 AM64X_IOPAD(0x0148, PIN_OUTPUT, 2) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */ 54 AM64X_IOPAD(0x0144, PIN_OUTPUT, 2) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ 55 >; 56 }; 57}; 58 59&cpsw3g { 60 pinctrl-0 = <&rgmii1_pins_default>; 61}; 62 63&cpsw_port2 { 64 status = "disabled"; 65}; 66 67&mdio_mux_1 { 68 status = "disabled"; 69}; 70 71&icssg1_eth { 72 pinctrl-0 = <&icssg1_rgmii1_pins_default>, <&icssg1_rgmii2_pins_default>; 73}; 74 75&icssg1_emac1 { 76 status = "okay"; 77 phy-handle = <&icssg1_phy2>; 78 phy-mode = "rgmii-id"; 79}; 80