boot/dts/mmp3-dell-ariel.dts

0001 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
0002 /*
0003  * Dell Wyse 3020 a.k.a. "Ariel" a.k.a. Tx0D (T00D, T10D)
0004  *
0005  * Copyright (C) 2019 Lubomir Rintel <lkundrak@v3.sk>
0006  */
0007
0008 /dts-v1/;
0009 #include "mmp3.dtsi"
0010 #include <dt-bindings/gpio/gpio.h>
0011 #include <dt-bindings/interrupt-controller/irq.h>
0012
0013 / {
0014         model = "Dell Ariel";
0015         compatible = "dell,wyse-ariel", "marvell,mmp3";
0016
0017         aliases {
0018                 serial2 = &uart3;
0019         };
0020
0021         chosen {
0022                 #address-cells = <0x1>;
0023                 #size-cells = <0x1>;
0024                 ranges;
0025                 bootargs = "earlyprintk=ttyS2,115200 console=ttyS2,115200";
0026         };
0027
0028         memory@0 {
0029                 available = <0x7f700000 0x7ff00000 0x00000000 0x7f600000>;
0030                 reg = <0x0 0x80000000>;
0031                 device_type = "memory";
0032         };
0033
0034         ec_input_spi: spi {
0035                 compatible = "spi-gpio";
0036                 #address-cells = <1>;
0037                 #size-cells = <0>;
0038
0039                 num-chipselects = <0>;
0040                 sck-gpios = <&gpio 55 GPIO_ACTIVE_HIGH>;
0041                 miso-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>;
0042                 mosi-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
0043         };
0044 };
0045
0046 &uart3 {
0047         status = "okay";
0048 };
0049
0050 &rtc {
0051         status = "okay";
0052 };
0053
0054 &usb_otg0 {
0055         status = "okay";
0056 };
0057
0058 &usb_otg_phy0 {
0059         status = "okay";
0060 };
0061
0062 &hsic0 {
0063         status = "okay";
0064
0065         usb1@1 {
0066                 compatible = "usb424,2640";
0067                 reg = <0x01>;
0068                 #address-cells = <0x01>;
0069                 #size-cells = <0x00>;
0070
0071                 mass-storage@1 {
0072                         compatible = "usb424,4040";
0073                         reg = <0x01>;
0074                         status = "disabled";
0075                 };
0076         };
0077 };
0078
0079 &hsic_phy0 {
0080         status = "okay";
0081         reset-gpios = <&gpio 63 GPIO_ACTIVE_HIGH>;
0082 };
0083
0084 &mmc3 {
0085         status = "okay";
0086         max-frequency = <50000000>;
0087         status = "okay";
0088         bus-width = <8>;
0089         non-removable;
0090         cap-mmc-highspeed;
0091 };
0092
0093 &twsi1 {
0094         status = "okay";
0095
0096         rtc@68 {
0097                 compatible = "dallas,ds1338";
0098                 reg = <0x68>;
0099                 status = "okay";
0100         };
0101 };
0102
0103 &twsi3 {
0104         status = "okay";
0105 };
0106
0107 &twsi4 {
0108         status = "okay";
0109
0110         embedded-controller@58 {
0111                 compatible = "dell,wyse-ariel-ec", "ene,kb3930";
0112                 reg = <0x58>;
0113                 system-power-controller;
0114
0115                 off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
0116                             <&gpio 127 GPIO_ACTIVE_HIGH>;
0117         };
0118 };
0119
0120 &ssp1 {
0121         status = "okay";
0122         cs-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
0123
0124         firmware-flash@0 {
0125                 compatible = "winbond,w25q32", "jedec,spi-nor";
0126                 reg = <0>;
0127                 spi-max-frequency = <104000000>;
0128                 m25p,fast-read;
0129         };
0130 };
0131
0132 &ec_input_spi {
0133         status = "okay";
0134         cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
0135
0136         power-button@0 {
0137                 reg = <0>;
0138                 interrupt-parent = <&gpio>;
0139                 interrupts = <60 IRQ_TYPE_EDGE_RISING>;
0140                 compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
0141                 spi-max-frequency = <33000000>;
0142         };
0143 };
0144
0145 &gpu_2d {
0146         status = "okay";
0147 };
0148
0149 &gpu_3d {
0150         status = "okay";
0151 };