1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /*
3 * Dell Wyse 3020 a.k.a. "Ariel" a.k.a. Tx0D (T00D, T10D)
4 *
5 * Copyright (C) 2019 Lubomir Rintel <lkundrak@v3.sk>
6 */
7
8 /dts-v1/;
9 #include "mmp3.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12
13 / {
14 model = "Dell Ariel";
15 compatible = "dell,wyse-ariel", "marvell,mmp3";
16
17 aliases {
18 serial2 = &uart3;
19 };
20
21 chosen {
22 #address-cells = <0x1>;
23 #size-cells = <0x1>;
24 ranges;
25 bootargs = "earlyprintk=ttyS2,115200 console=ttyS2,115200";
26 };
27
28 memory@0 {
29 available = <0x7f700000 0x7ff00000 0x00000000 0x7f600000>;
30 reg = <0x0 0x80000000>;
31 device_type = "memory";
32 };
33
34 ec_input_spi: spi {
35 compatible = "spi-gpio";
36 #address-cells = <1>;
37 #size-cells = <0>;
38
39 num-chipselects = <0>;
40 sck-gpios = <&gpio 55 GPIO_ACTIVE_HIGH>;
41 miso-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>;
42 mosi-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
43 };
44 };
45
46 &uart3 {
47 status = "okay";
48 };
49
50 &rtc {
51 status = "okay";
52 };
53
54 &usb_otg0 {
55 status = "okay";
56 };
57
58 &usb_otg_phy0 {
59 status = "okay";
60 };
61
62 &hsic0 {
63 status = "okay";
64
65 usb1@1 {
66 compatible = "usb424,2640";
67 reg = <0x01>;
68 #address-cells = <0x01>;
69 #size-cells = <0x00>;
70
71 mass-storage@1 {
72 compatible = "usb424,4040";
73 reg = <0x01>;
74 status = "disabled";
75 };
76 };
77 };
78
79 &hsic_phy0 {
80 status = "okay";
81 reset-gpios = <&gpio 63 GPIO_ACTIVE_HIGH>;
82 };
83
84 &mmc3 {
85 status = "okay";
86 max-frequency = <50000000>;
87 status = "okay";
88 bus-width = <8>;
89 non-removable;
90 cap-mmc-highspeed;
91 };
92
93 &twsi1 {
94 status = "okay";
95
96 rtc@68 {
97 compatible = "dallas,ds1338";
98 reg = <0x68>;
99 status = "okay";
100 };
101 };
102
103 &twsi3 {
104 status = "okay";
105 };
106
107 &twsi4 {
108 status = "okay";
109
110 embedded-controller@58 {
111 compatible = "dell,wyse-ariel-ec", "ene,kb3930";
112 reg = <0x58>;
113 system-power-controller;
114
115 off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
116 <&gpio 127 GPIO_ACTIVE_HIGH>;
117 };
118 };
119
120 &ssp1 {
121 status = "okay";
122 cs-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
123
124 firmware-flash@0 {
125 compatible = "winbond,w25q32", "jedec,spi-nor";
126 reg = <0>;
127 spi-max-frequency = <104000000>;
128 m25p,fast-read;
129 };
130 };
131
132 &ec_input_spi {
133 status = "okay";
134 cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
135
136 power-button@0 {
137 reg = <0>;
138 interrupt-parent = <&gpio>;
139 interrupts = <60 IRQ_TYPE_EDGE_RISING>;
140 compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
141 spi-max-frequency = <33000000>;
142 };
143 };
144
145 &gpu_2d {
146 status = "okay";
147 };
148
149 &gpu_3d {
150 status = "okay";
151 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.