xref: /openbmc/u-boot/arch/arm/dts/r8a77970-eagle.dts (revision 5381c285)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the Eagle board
4 *
5 * Copyright (C) 2016-2017 Renesas Electronics Corp.
6 * Copyright (C) 2017 Cogent Embedded, Inc.
7 */
8
9/dts-v1/;
10#include "r8a77970.dtsi"
11#include <dt-bindings/gpio/gpio.h>
12
13/ {
14	model = "Renesas Eagle board based on r8a77970";
15	compatible = "renesas,eagle", "renesas,r8a77970";
16
17	aliases {
18		serial0 = &scif0;
19		ethernet0 = &avb;
20		spi0 = &rpc;
21	};
22
23	chosen {
24		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
25		stdout-path = "serial0:115200n8";
26	};
27
28	memory@48000000 {
29		device_type = "memory";
30		/* first 128MB is reserved for secure area. */
31		reg = <0x0 0x48000000 0x0 0x38000000>;
32	};
33};
34
35&avb {
36	pinctrl-0 = <&avb0_pins>;
37	pinctrl-names = "default";
38	renesas,no-ether-link;
39	phy-handle = <&phy0>;
40	phy-mode = "rgmii-id";
41	status = "okay";
42
43	phy0: ethernet-phy@0 {
44		rxc-skew-ps = <1500>;
45		reg = <0>;
46		interrupt-parent = <&gpio1>;
47		interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
48		reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
49	};
50};
51
52&extal_clk {
53	clock-frequency = <16666666>;
54};
55
56&extalr_clk {
57	clock-frequency = <32768>;
58};
59
60&i2c0 {
61	pinctrl-0 = <&i2c0_pins>;
62	pinctrl-names = "default";
63
64	status = "okay";
65	clock-frequency = <400000>;
66
67	io_expander: gpio@20 {
68		compatible = "onnn,pca9654";
69		reg = <0x20>;
70		gpio-controller;
71		#gpio-cells = <2>;
72	};
73};
74
75&pfc {
76	avb0_pins: avb {
77		mux {
78			groups = "avb0_link", "avb0_mdio", "avb0_rgmii", "avb0_txcrefclk";
79			function = "avb0";
80		};
81	};
82
83	i2c0_pins: i2c0 {
84		groups = "i2c0";
85		function = "i2c0";
86	};
87
88	scif0_pins: scif0 {
89		groups = "scif0_data";
90		function = "scif0";
91	};
92};
93
94&rpc {
95	num-cs = <1>;
96	status = "okay";
97	spi-max-frequency = <50000000>;
98	#address-cells = <1>;
99	#size-cells = <0>;
100
101	flash0: spi-flash@0 {
102		#address-cells = <1>;
103		#size-cells = <1>;
104		compatible = "s25fs512s", "spi-flash", "jedec,spi-nor";
105		spi-max-frequency = <50000000>;
106		spi-tx-bus-width = <1>;
107		spi-rx-bus-width = <1>;
108		reg = <0>;
109		status = "okay";
110	};
111};
112
113&rwdt {
114	timeout-sec = <60>;
115	status = "okay";
116};
117
118&scif0 {
119	pinctrl-0 = <&scif0_pins>;
120	pinctrl-names = "default";
121
122	status = "okay";
123};
124