0001 // SPDX-License-Identifier: GPL-2.0+
0002 /*
0003 * Device Tree file for the Kontron SMARC-sAL28 board.
0004 *
0005 * This is for the network variant 1 which has one ethernet port. It is
0006 * different than the base variant, which also has one port, but here the
0007 * port is connected via RGMII. This port is not TSN aware.
0008 * None of the four SerDes lanes are used by the module, instead they are
0009 * all led out to the carrier for customer use.
0010 *
0011 * Copyright (C) 2021 Michael Walle <michael@walle.cc>
0012 *
0013 */
0014
0015 /dts-v1/;
0016 #include "fsl-ls1028a-kontron-sl28.dts"
0017 #include <dt-bindings/net/qca-ar803x.h>
0018
0019 / {
0020 model = "Kontron SMARC-sAL28 (4 Lanes)";
0021 compatible = "kontron,sl28-var1", "kontron,sl28", "fsl,ls1028a";
0022 };
0023
0024 &enetc_mdio_pf3 {
0025 /* Delete unused phy node */
0026 /delete-node/ ethernet-phy@5;
0027
0028 phy0: ethernet-phy@4 {
0029 reg = <0x4>;
0030 eee-broken-1000t;
0031 eee-broken-100tx;
0032 qca,clk-out-frequency = <125000000>;
0033 qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
0034 qca,keep-pll-enabled;
0035 vddio-supply = <&vddio>;
0036
0037 vddio: vddio-regulator {
0038 regulator-name = "VDDIO";
0039 regulator-min-microvolt = <1800000>;
0040 regulator-max-microvolt = <1800000>;
0041 };
0042
0043 vddh: vddh-regulator {
0044 regulator-name = "VDDH";
0045 };
0046 };
0047 };
0048
0049 &enetc_port0 {
0050 status = "disabled";
0051 /* Delete the phy-handle to the old phy0 label */
0052 /delete-property/ phy-handle;
0053 };
0054
0055 &enetc_port1 {
0056 phy-handle = <&phy0>;
0057 phy-mode = "rgmii-id";
0058 status = "okay";
0059 };
