Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 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 | }; |