1// SPDX-License-Identifier: GPL-2.0
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 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 {
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