1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /*
3 * Device Tree Source for the R-Car V4H ES2.0 White Hawk Single board
4 *
5 * Copyright (C) 2023 Glider bv
6 */
7
8 /dts-v1/;
9 #include "r8a779g2.dtsi"
10 #include "white-hawk-cpu-common.dtsi"
11 #include "white-hawk-common.dtsi"
12
13 / {
14 model = "Renesas White Hawk Single board based on r8a779g2";
15 compatible = "renesas,white-hawk-single", "renesas,r8a779g2",
16 "renesas,r8a779g0";
17 };
18
19 &hscif0 {
20 uart-has-rtscts;
21 };
22
23 &hscif0_pins {
24 groups = "hscif0_data", "hscif0_ctrl";
25 function = "hscif0";
26 };
27
28 &pfc {
29 tsn0_pins: tsn0 {
30 mux {
31 groups = "tsn0_link", "tsn0_mdio", "tsn0_rgmii",
32 "tsn0_txcrefclk";
33 function = "tsn0";
34 };
35
36 link {
37 groups = "tsn0_link";
38 bias-disable;
39 };
40
41 mdio {
42 groups = "tsn0_mdio";
43 drive-strength = <24>;
44 bias-disable;
45 };
46
47 rgmii {
48 groups = "tsn0_rgmii";
49 drive-strength = <24>;
50 bias-disable;
51 };
52 };
53 };
54
55 &tsn0 {
56 pinctrl-0 = <&tsn0_pins>;
57 pinctrl-names = "default";
58 phy-mode = "rgmii";
59 phy-handle = <&phy3>;
60 status = "okay";
61
62 mdio {
63 #address-cells = <1>;
64 #size-cells = <0>;
65
66 reset-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
67 reset-post-delay-us = <4000>;
68
69 phy3: ethernet-phy@0 {
70 compatible = "ethernet-phy-id002b.0980",
71 "ethernet-phy-ieee802.3-c22";
72 reg = <0>;
73 interrupt-parent = <&gpio4>;
74 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
75 };
76 };
77 };
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