arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts

   1 /*
   2  * Copyright (c) 2016 Andreas Färber
   3  * Copyright (c) 2016 BayLibre, Inc.
   4  * Author: Kevin Hilman <khilman@kernel.org>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This library is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This library is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 /dts-v1/;
  46
  47 #include "meson-gxbb.dtsi"
  48 #include <dt-bindings/gpio/gpio.h>
  49
  50 / {
  51         compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
  52         model = "Hardkernel ODROID-C2";
  53
  54         aliases {
  55                 serial0 = &uart_AO;
  56         };
  57
  58         chosen {
  59                 stdout-path = "serial0:115200n8";
  60         };
  61
  62         memory@0 {
  63                 device_type = "memory";
  64                 reg = <0x0 0x0 0x0 0x80000000>;
  65         };
  66
  67         leds {
  68                 compatible = "gpio-leds";
  69                 blue {
  70                         label = "c2:blue:alive";
  71                         gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
  72                         linux,default-trigger = "heartbeat";
  73                         default-state = "off";
  74                 };
  75         };
  76
  77         mmc_iv: gpio-regulator {
  78                 compatible = "regulator-gpio";
  79
  80                 regulator-name = "mmc-gpio-supply";
  81                 regulator-min-microvolt = <1800000>;
  82                 regulator-max-microvolt = <3300000>;
  83
  84                 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
  85                 gpios-states = <0>;
  86
  87                 /*
  88                  * Based on ODROID-C2 schematics:
  89                  * signal name: IO_TF_3V3N_1V8, GPIOAO bit 3
  90                  */
  91                 states = <3300000 0
  92                           1800000 1>;
  93         };
  94
  95         vcc1v8: regulator-vcc1v8 {
  96                 compatible = "regulator-fixed";
  97                 regulator-name = "VCC1V8";
  98                 regulator-min-microvolt = <1800000>;
  99                 regulator-max-microvolt = <1800000>;
 100                 regulator-always-on;
 101         };
 102
 103         vcc3v3: regulator-vcc3v3 {
 104                 compatible = "regulator-fixed";
 105                 regulator-name = "VCC3V3";
 106                 regulator-min-microvolt = <3300000>;
 107                 regulator-max-microvolt = <3300000>;
 108                 regulator-always-on;
 109         };
 110
 111         emmc_pwrseq: emmc-pwrseq {
 112                 compatible = "mmc-pwrseq-emmc";
 113                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 114         };
 115 };
 116
 117 &uart_AO {
 118         status = "okay";
 119         pinctrl-0 = <&uart_ao_a_pins>;
 120         pinctrl-names = "default";
 121 };
 122
 123 &ethmac {
 124         status = "okay";
 125         pinctrl-0 = <&eth_pins>;
 126         pinctrl-names = "default";
 127 };
 128
 129 &ir {
 130         status = "okay";
 131         pinctrl-0 = <&remote_input_ao_pins>;
 132         pinctrl-names = "default";
 133 };
 134
 135 &sd_emmc_b {
 136         status = "okay";
 137         pinctrl-0 = <&sdcard_pins>;
 138         pinctrl-names = "default";
 139
 140         bus-width = <4>;
 141         cap-sd-highspeed;
 142         max-frequency = <100000000>;
 143
 144         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 145         cd-inverted;
 146
 147         vmmc-supply = <&mmc_iv>;
 148         voltage-ranges = <1800 3300>;
 149 };
 150
 151 &sd_emmc_c {
 152         status = "okay";
 153         pinctrl-0 = <&emmc_pins>;
 154         pinctrl-names = "default";
 155
 156         bus-width = <8>;
 157         cap-sd-highspeed;
 158         max-frequency = <200000000>;
 159         non-removable;
 160         disable-wp;
 161         cap-mmc-highspeed;
 162         mmc-ddr-1_8v;
 163         mmc-hs200-1_8v;
 164
 165         mmc-pwrseq = <&emmc_pwrseq>;
 166         voltage-ranges = <1800 3300>;
 167         vmmc-supply = <&vcc3v3>;
 168         vmmcq-sumpply = <&vcc1v8>;
 169 };