xref: /openbmc/u-boot/arch/arm/dts/r8a77990-ebisu.dts (revision 7ec2c21d)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Device Tree Source for the ebisu board
4 *
5 * Copyright (C) 2018 Renesas Electronics Corp.
6 */
7
8/dts-v1/;
9#include "r8a77990.dtsi"
10#include <dt-bindings/gpio/gpio.h>
11
12/ {
13	model = "Renesas Ebisu board based on r8a77990";
14	compatible = "renesas,ebisu", "renesas,r8a77990";
15
16	aliases {
17		serial0 = &scif2;
18		ethernet0 = &avb;
19	};
20
21	chosen {
22		bootargs = "ignore_loglevel";
23		stdout-path = "serial0:115200n8";
24	};
25
26	memory@48000000 {
27		device_type = "memory";
28		/* first 128MB is reserved for secure area. */
29		reg = <0x0 0x48000000 0x0 0x38000000>;
30	};
31
32	reg_1p8v: regulator0 {
33		compatible = "regulator-fixed";
34		regulator-name = "fixed-1.8V";
35		regulator-min-microvolt = <1800000>;
36		regulator-max-microvolt = <1800000>;
37		regulator-boot-on;
38		regulator-always-on;
39	};
40
41	reg_3p3v: regulator1 {
42		compatible = "regulator-fixed";
43		regulator-name = "fixed-3.3V";
44		regulator-min-microvolt = <3300000>;
45		regulator-max-microvolt = <3300000>;
46		regulator-boot-on;
47		regulator-always-on;
48	};
49};
50
51&avb {
52	pinctrl-0 = <&avb_pins>;
53	pinctrl-names = "default";
54	renesas,no-ether-link;
55	phy-handle = <&phy0>;
56	phy-mode = "rgmii-txid";
57	status = "okay";
58
59	phy0: ethernet-phy@0 {
60		rxc-skew-ps = <1500>;
61		reg = <0>;
62		interrupt-parent = <&gpio2>;
63		interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
64		reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
65	};
66};
67
68&extal_clk {
69	clock-frequency = <48000000>;
70};
71
72&pfc {
73	pinctrl-0 = <&scif_clk_pins>;
74	pinctrl-names = "default";
75
76	avb_pins: avb {
77		mux {
78			groups = "avb_link", "avb_mii";
79			function = "avb";
80		};
81	};
82
83	scif2_pins: scif2 {
84		groups = "scif2_data_a";
85		function = "scif2";
86	};
87
88	scif_clk_pins: scif_clk {
89		groups = "scif_clk_a";
90		function = "scif_clk";
91	};
92
93	sdhi3_pins: sd2 {
94		groups = "sdhi3_data8", "sdhi3_ctrl";
95		function = "sdhi3";
96		power-source = <1800>;
97	};
98
99	sdhi3_pins_uhs: sd2_uhs {
100		groups = "sdhi3_data8", "sdhi3_ctrl";
101		function = "sdhi3";
102		power-source = <1800>;
103	};
104};
105
106&sdhi0 {
107	status = "okay";
108};
109
110&sdhi1 {
111	status = "okay";
112};
113
114&sdhi3 {
115	/* used for on-board 8bit eMMC */
116	pinctrl-0 = <&sdhi3_pins>;
117	pinctrl-1 = <&sdhi3_pins_uhs>;
118	pinctrl-names = "default", "state_uhs";
119
120	vmmc-supply = <&reg_3p3v>;
121	vqmmc-supply = <&reg_1p8v>;
122	bus-width = <8>;
123	mmc-hs200-1_8v;
124	non-removable;
125	status = "okay";
126};
127
128&scif2 {
129	pinctrl-0 = <&scif2_pins>;
130	pinctrl-names = "default";
131
132	status = "okay";
133};
134