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                 linux,usable-memory = <0x0 0x7f600000>;
  30                 available = <0x7f700000 0x7ff00000 0x00000000 0x7f600000>;
  31                 reg = <0x0 0x80000000>;
  32                 device_type = "memory";
  33         };
  34 };
  35
  36 &uart3 {
  37         status = "okay";
  38 };
  39
  40 &rtc {
  41         status = "okay";
  42 };
  43
  44 &usb_otg0 {
  45         status = "okay";
  46 };
  47
  48 &usb_otg_phy0 {
  49         status = "okay";
  50 };
  51
  52 &mmc3 {
  53         status = "okay";
  54         max-frequency = <50000000>;
  55         status = "okay";
  56         bus-width = <8>;
  57         non-removable;
  58         cap-mmc-highspeed;
  59 };
  60
  61 &twsi1 {
  62         status = "okay";
  63
  64         rtc@68 {
  65                 compatible = "dallas,ds1338";
  66                 reg = <0x68>;
  67                 status = "okay";
  68         };
  69 };
  70
  71 &twsi3 {
  72         status = "okay";
  73 };
  74
  75 &twsi4 {
  76         status = "okay";
  77 };
  78
  79 &ssp3 {
  80         status = "okay";
  81         cs-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
  82
  83         firmware-flash@0 {
  84                 compatible = "st,m25p80", "jedec,spi-nor";
  85                 reg = <0>;
  86                 spi-max-frequency = <40000000>;
  87                 m25p,fast-read;
  88         };
  89 };
  90
  91 &ssp4 {
  92         cs-gpios = <&gpio 56 GPIO_ACTIVE_HIGH>;
  93         status = "okay";
  94 };