1// SPDX-License-Identifier: GPL-2.0-only OR MIT 2/** 3 * DT Overlay for MAIN CPSW2G using GESI Expansion Board with J7 common processor board. 4 * 5 * GESI Board Product Link: https://www.ti.com/tool/J7EXPCXEVM 6 * 7 * Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/ 8 */ 9 10/dts-v1/; 11/plugin/; 12 13#include <dt-bindings/gpio/gpio.h> 14#include <dt-bindings/net/ti-dp83867.h> 15 16#include "k3-pinctrl.h" 17 18&{/} { 19 aliases { 20 ethernet1 = "/bus@100000/ethernet@c200000/ethernet-ports/port@1"; 21 }; 22}; 23 24&main_pmx0 { 25 main_cpsw_mdio_default_pins: main-cpsw-mdio-default-pins { 26 pinctrl-single,pins = < 27 J721S2_IOPAD(0x0c0, PIN_OUTPUT, 6) /* (T28) MCASP1_AXR0.MDIO0_MDC */ 28 J721S2_IOPAD(0x0bc, PIN_INPUT, 6) /* (V28) MCASP1_AFSX.MDIO0_MDIO */ 29 >; 30 }; 31 32 rgmii1_default_pins: rgmii1-default-pins { 33 pinctrl-single,pins = < 34 J721S2_IOPAD(0x0b8, PIN_INPUT, 6) /* (AA24) MCASP1_ACLKX.RGMII1_RD0 */ 35 J721S2_IOPAD(0x0a0, PIN_INPUT, 6) /* (AB25) MCASP0_AXR12.RGMII1_RD1 */ 36 J721S2_IOPAD(0x0a4, PIN_INPUT, 6) /* (T23) MCASP0_AXR13.RGMII1_RD2 */ 37 J721S2_IOPAD(0x0a8, PIN_INPUT, 6) /* (U24) MCASP0_AXR14.RGMII1_RD3 */ 38 J721S2_IOPAD(0x0b0, PIN_INPUT, 6) /* (AD26) MCASP1_AXR3.RGMII1_RXC */ 39 J721S2_IOPAD(0x0ac, PIN_INPUT, 6) /* (AC25) MCASP0_AXR15.RGMII1_RX_CTL */ 40 J721S2_IOPAD(0x08c, PIN_OUTPUT, 6) /* (T25) MCASP0_AXR7.RGMII1_TD0 */ 41 J721S2_IOPAD(0x090, PIN_OUTPUT, 6) /* (W24) MCASP0_AXR8.RGMII1_TD1 */ 42 J721S2_IOPAD(0x094, PIN_OUTPUT, 6) /* (AA25) MCASP0_AXR9.RGMII1_TD2 */ 43 J721S2_IOPAD(0x098, PIN_OUTPUT, 6) /* (V25) MCASP0_AXR10.RGMII1_TD3 */ 44 J721S2_IOPAD(0x0b4, PIN_OUTPUT, 6) /* (U25) MCASP1_AXR4.RGMII1_TXC */ 45 J721S2_IOPAD(0x09c, PIN_OUTPUT, 6) /* (T24) MCASP0_AXR11.RGMII1_TX_CTL */ 46 >; 47 }; 48}; 49 50&exp1 { 51 p15-hog { 52 /* P15 - EXP_MUX2 */ 53 gpio-hog; 54 gpios = <13 GPIO_ACTIVE_HIGH>; 55 output-high; 56 line-name = "EXP_MUX2"; 57 }; 58}; 59 60&main_cpsw { 61 status = "okay"; 62 pinctrl-names = "default"; 63 pinctrl-0 = <&rgmii1_default_pins>; 64}; 65 66&main_cpsw_mdio { 67 status = "okay"; 68 pinctrl-names = "default"; 69 pinctrl-0 = <&main_cpsw_mdio_default_pins>; 70 #address-cells = <1>; 71 #size-cells = <0>; 72 73 main_cpsw_phy0: ethernet-phy@0 { 74 reg = <0>; 75 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 76 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 77 ti,min-output-impedance; 78 }; 79}; 80 81&main_cpsw_port1 { 82 status = "okay"; 83 phy-mode = "rgmii-rxid"; 84 phy-handle = <&main_cpsw_phy0>; 85}; 86