arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts

   1 /*
   2  * Copyright (c) 2016 BayLibre, SAS.
   3  * Author: Neil Armstrong <narmstrong@baylibre.com>
   4  *
   5  * Copyright (c) 2016 Endless Computers, Inc.
   6  * Author: Carlo Caione <carlo@endlessm.com>
   7  *
   8  * This file is dual-licensed: you can use it either under the terms
   9  * of the GPL or the X11 license, at your option. Note that this dual
  10  * licensing only applies to this file, and not this project as a
  11  * whole.
  12  *
  13  *  a) This library is free software; you can redistribute it and/or
  14  *     modify it under the terms of the GNU General Public License as
  15  *     published by the Free Software Foundation; either version 2 of the
  16  *     License, or (at your option) any later version.
  17  *
  18  *     This library is distributed in the hope that it will be useful,
  19  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *     GNU General Public License for more details.
  22  *
  23  * Or, alternatively,
  24  *
  25  *  b) Permission is hereby granted, free of charge, to any person
  26  *     obtaining a copy of this software and associated documentation
  27  *     files (the "Software"), to deal in the Software without
  28  *     restriction, including without limitation the rights to use,
  29  *     copy, modify, merge, publish, distribute, sublicense, and/or
  30  *     sell copies of the Software, and to permit persons to whom the
  31  *     Software is furnished to do so, subject to the following
  32  *     conditions:
  33  *
  34  *     The above copyright notice and this permission notice shall be
  35  *     included in all copies or substantial portions of the Software.
  36  *
  37  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  38  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  39  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  40  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  41  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  42  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  43  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  44  *     OTHER DEALINGS IN THE SOFTWARE.
  45  */
  46
  47 /dts-v1/;
  48
  49 #include "meson-gxm.dtsi"
  50
  51 / {
  52         compatible = "nexbox,a1", "amlogic,s912", "amlogic,meson-gxm";
  53         model = "NEXBOX A1";
  54
  55         aliases {
  56                 serial0 = &uart_AO;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62
  63         memory@0 {
  64                 device_type = "memory";
  65                 reg = <0x0 0x0 0x0 0x80000000>;
  66         };
  67
  68         vddio_boot: regulator-vddio-boot {
  69                 compatible = "regulator-fixed";
  70                 regulator-name = "VDDIO_BOOT";
  71                 regulator-min-microvolt = <1800000>;
  72                 regulator-max-microvolt = <1800000>;
  73         };
  74
  75         vddao_3v3: regulator-vddao-3v3 {
  76                 compatible = "regulator-fixed";
  77                 regulator-name = "VDDAO_3V3";
  78                 regulator-min-microvolt = <3300000>;
  79                 regulator-max-microvolt = <3300000>;
  80         };
  81
  82         vcc_3v3: regulator-vcc-3v3 {
  83                 compatible = "regulator-fixed";
  84                 regulator-name = "VCC_3V3";
  85                 regulator-min-microvolt = <3300000>;
  86                 regulator-max-microvolt = <3300000>;
  87         };
  88
  89         emmc_pwrseq: emmc-pwrseq {
  90                 compatible = "mmc-pwrseq-emmc";
  91                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  92         };
  93 };
  94
  95 /* This UART is brought out to the DB9 connector */
  96 &uart_AO {
  97         status = "okay";
  98         pinctrl-0 = <&uart_ao_a_pins>;
  99         pinctrl-names = "default";
 100 };
 101
 102 &ir {
 103         status = "okay";
 104         pinctrl-0 = <&remote_input_ao_pins>;
 105         pinctrl-names = "default";
 106 };
 107
 108 /* SD card */
 109 &sd_emmc_b {
 110         status = "okay";
 111         pinctrl-0 = <&sdcard_pins>;
 112         pinctrl-names = "default";
 113
 114         bus-width = <4>;
 115         cap-sd-highspeed;
 116         max-frequency = <100000000>;
 117         disable-wp;
 118
 119         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 120         cd-inverted;
 121
 122         vmmc-supply = <&vddao_3v3>;
 123         vqmmc-supply = <&vddio_boot>;
 124 };
 125
 126 /* eMMC */
 127 &sd_emmc_c {
 128         status = "okay";
 129         pinctrl-0 = <&emmc_pins>;
 130         pinctrl-names = "default";
 131
 132         bus-width = <8>;
 133         cap-sd-highspeed;
 134         cap-mmc-highspeed;
 135         max-frequency = <200000000>;
 136         non-removable;
 137         disable-wp;
 138         mmc-ddr-1_8v;
 139         mmc-hs200-1_8v;
 140
 141         mmc-pwrseq = <&emmc_pwrseq>;
 142         vmmc-supply = <&vcc_3v3>;
 143         vqmmc-supply = <&vddio_boot>;
 144 };
 145
 146 &ethmac {
 147         status = "okay";
 148
 149         pinctrl-0 = <&eth_pins>;
 150         pinctrl-names = "default";
 151
 152         /* Select external PHY by default */
 153         phy-handle = <&external_phy>;
 154
 155         snps,reset-gpio = <&gpio GPIOZ_14 0>;
 156         snps,reset-delays-us = <0 10000 1000000>;
 157         snps,reset-active-low;
 158
 159         /* External PHY is in RGMII */
 160         phy-mode = "rgmii";
 161 };
 162
 163 &external_mdio {
 164         external_phy: ethernet-phy@0 {
 165                 compatible = "ethernet-phy-id001c.c916", "ethernet-phy-ieee802.3-c22";
 166                 reg = <0>;
 167                 max-speed = <1000>;
 168         };
 169 };