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};