1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Device Tree file for the Kontron SMARC-sAL28 board.
4 *
5 * This is for the network variant 1 which has one ethernet port. It is
6 * different than the base variant, which also has one port, but here the
7 * port is connected via RGMII. This port is not TSN aware.
8 * None of the four SerDes lanes are used by the module, instead they are
9 * all led out to the carrier for customer use.
10 *
11 * Copyright (C) 2021 Michael Walle <michael@walle.cc>
12 *
13 */
14
15 /dts-v1/;
16 #include "fsl-ls1028a-kontron-sl28.dts"
17 #include <dt-bindings/net/qca-ar803x.h>
18
19 / {
20 model = "Kontron SMARC-sAL28 (4 Lanes)";
21 compatible = "kontron,sl28-var1", "kontron,sl28", "fsl,ls1028a";
22 };
23
24 &enetc_mdio_pf3 {
25 /* Delete unused phy node */
26 /delete-node/ ethernet-phy@5;
27
28 phy0: ethernet-phy@4 {
29 reg = <0x4>;
30 eee-broken-1000t;
31 eee-broken-100tx;
32 qca,clk-out-frequency = <125000000>;
33 qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
34 qca,keep-pll-enabled;
35 vddio-supply = <&vddio>;
36
37 vddio: vddio-regulator {
38 regulator-name = "VDDIO";
39 regulator-min-microvolt = <1800000>;
40 regulator-max-microvolt = <1800000>;
41 };
42
43 vddh: vddh-regulator {
44 regulator-name = "VDDH";
45 };
46 };
47 };
48
49 &enetc_port0 {
50 status = "disabled";
51 /* Delete the phy-handle to the old phy0 label */
52 /delete-property/ phy-handle;
53 };
54
55 &enetc_port1 {
56 phy-handle = <&phy0>;
57 phy-mode = "rgmii-id";
58 nvmem-cells = <&base_mac_address 0>;
59 nvmem-cell-names = "mac-address";
60 status = "okay";
61 };
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