1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Device Tree file for Globalscale Marvell ESPRESSOBin Board
4 * Copyright (C) 2016 Marvell
5 *
6 * Romain Perier <romain.perier@free-electrons.com>
7 *
8 */
9/*
10 * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
11 */
12
13/dts-v1/;
14
15#include <dt-bindings/gpio/gpio.h>
16#include "armada-372x.dtsi"
17
18/ {
19	model = "Globalscale Marvell ESPRESSOBin Board";
20	compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
21
22	chosen {
23		stdout-path = "serial0:115200n8";
24	};
25
26	memory@0 {
27		device_type = "memory";
28		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
29	};
30
31	vcc_sd_reg1: regulator {
32		compatible = "regulator-gpio";
33		regulator-name = "vcc_sd1";
34		regulator-min-microvolt = <1800000>;
35		regulator-max-microvolt = <3300000>;
36		regulator-boot-on;
37
38		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
39		gpios-states = <0>;
40		states = <1800000 0x1
41			  3300000 0x0>;
42		enable-active-high;
43	};
44};
45
46/* J9 */
47&pcie0 {
48	status = "okay";
49	pinctrl-names = "default";
50	pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
51};
52
53/* J6 */
54&sata {
55	status = "okay";
56};
57
58/* J1 */
59&sdhci1 {
60	wp-inverted;
61	bus-width = <4>;
62	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
63	marvell,pad-type = "sd";
64	vqmmc-supply = <&vcc_sd_reg1>;
65
66	pinctrl-names = "default";
67	pinctrl-0 = <&sdio_pins>;
68	status = "okay";
69};
70
71/* U11 */
72&sdhci0 {
73	non-removable;
74	bus-width = <8>;
75	mmc-ddr-1_8v;
76	mmc-hs400-1_8v;
77	marvell,xenon-emmc;
78	marvell,xenon-tun-count = <9>;
79	marvell,pad-type = "fixed-1-8v";
80
81	pinctrl-names = "default";
82	pinctrl-0 = <&mmc_pins>;
83/*
84 * This eMMC is not populated on all boards, so disable it by
85 * default and let the bootloader enable it, if it is present
86 */
87	status = "disabled";
88};
89
90&spi0 {
91	status = "okay";
92
93	flash@0 {
94		reg = <0>;
95		compatible = "winbond,w25q32dw", "jedec,spi-flash";
96		spi-max-frequency = <104000000>;
97		m25p,fast-read;
98
99		partitions {
100			compatible = "fixed-partitions";
101			#address-cells = <1>;
102			#size-cells = <1>;
103
104			partition@0 {
105				label = "uboot";
106				reg = <0 0x180000>;
107			};
108
109			partition@180000 {
110				label = "ubootenv";
111				reg = <0x180000 0x10000>;
112			};
113		};
114	};
115};
116
117/* Exported on the micro USB connector J5 through an FTDI */
118&uart0 {
119	pinctrl-names = "default";
120	pinctrl-0 = <&uart1_pins>;
121	status = "okay";
122};
123
124/*
125 * Connector J17 and J18 expose a number of different features. Some pins are
126 * multiplexed. This is the case for instance for the following features:
127 * - UART1 (pin 24 = RX, pin 26 = TX). See armada-3720-db.dts for an example of
128 *   how to enable it. Beware that the signals are 1.8V TTL.
129 * - I2C
130 * - SPI
131 * - MMC
132 */
133
134/* J7 */
135&usb3 {
136	status = "okay";
137};
138
139/* J8 */
140&usb2 {
141	status = "okay";
142};
143
144&mdio {
145	switch0: switch0@1 {
146		compatible = "marvell,mv88e6085";
147		#address-cells = <1>;
148		#size-cells = <0>;
149		reg = <1>;
150
151		dsa,member = <0 0>;
152
153		ports {
154			#address-cells = <1>;
155			#size-cells = <0>;
156
157			port@0 {
158				reg = <0>;
159				label = "cpu";
160				ethernet = <&eth0>;
161				phy-mode = "rgmii-id";
162				fixed-link {
163					speed = <1000>;
164					full-duplex;
165				};
166			};
167
168			port@1 {
169				reg = <1>;
170				label = "wan";
171				phy-handle = <&switch0phy0>;
172			};
173
174			port@2 {
175				reg = <2>;
176				label = "lan0";
177				phy-handle = <&switch0phy1>;
178			};
179
180			port@3 {
181				reg = <3>;
182				label = "lan1";
183				phy-handle = <&switch0phy2>;
184			};
185
186		};
187
188		mdio {
189			#address-cells = <1>;
190			#size-cells = <0>;
191
192			switch0phy0: switch0phy0@11 {
193				reg = <0x11>;
194			};
195			switch0phy1: switch0phy1@12 {
196				reg = <0x12>;
197			};
198			switch0phy2: switch0phy2@13 {
199				reg = <0x13>;
200			};
201		};
202	};
203};
204
205&eth0 {
206	pinctrl-names = "default";
207	pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
208	phy-mode = "rgmii-id";
209	status = "okay";
210
211	fixed-link {
212		speed = <1000>;
213		full-duplex;
214	};
215};
216