arch/arm/boot/dts/mmp3-dell-ariel.dts

   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 };