arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi

   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 #include "meson-gxbb.dtsi"
  46
  47 / {
  48         aliases {
  49                 serial0 = &uart_AO;
  50         };
  51
  52         chosen {
  53                 stdout-path = "serial0:115200n8";
  54         };
  55
  56         memory@0 {
  57                 device_type = "memory";
  58                 reg = <0x0 0x0 0x0 0x40000000>;
  59         };
  60
  61         mmc_iv: gpio-regulator {
  62                 compatible = "regulator-gpio";
  63
  64                 regulator-name = "mmc-gpio-supply";
  65                 regulator-min-microvolt = <1800000>;
  66                 regulator-max-microvolt = <3300000>;
  67
  68                 gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
  69                 gpios-states = <1>;
  70
  71                 /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
  72                 states = <1800000 0
  73                           3300000 1>;
  74         };
  75
  76         vddio_boot: regulator-vddio_boot {
  77                 compatible = "regulator-fixed";
  78                 regulator-name = "VDDIO_BOOT";
  79                 regulator-min-microvolt = <1800000>;
  80                 regulator-max-microvolt = <1800000>;
  81                 regulator-always-on;
  82         };
  83
  84         vcc_3v3: regulator-vcc_3v3 {
  85                 compatible = "regulator-fixed";
  86                 regulator-name = "VCC_3V3";
  87                 regulator-min-microvolt = <3300000>;
  88                 regulator-max-microvolt = <3300000>;
  89                 regulator-always-on;
  90         };
  91
  92         emmc_pwrseq: emmc-pwrseq {
  93                 compatible = "mmc-pwrseq-emmc";
  94                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  95         };
  96 };
  97
  98 /* This UART is brought out to the DB9 connector */
  99 &uart_AO {
 100         status = "okay";
 101         pinctrl-0 = <&uart_ao_a_pins>;
 102         pinctrl-names = "default";
 103 };
 104
 105 &ethmac {
 106         status = "okay";
 107         pinctrl-0 = <&eth_pins>;
 108         pinctrl-names = "default";
 109 };
 110
 111 &ir {
 112         status = "okay";
 113         pinctrl-0 = <&remote_input_ao_pins>;
 114         pinctrl-names = "default";
 115 };
 116
 117 &sd_emmc_b {
 118         status = "okay";
 119         pinctrl-0 = <&sdcard_pins>;
 120         pinctrl-names = "default";
 121
 122         bus-width = <4>;
 123         cap-sd-highspeed;
 124         max-frequency = <100000000>;
 125
 126         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 127         cd-inverted;
 128
 129         voltage-ranges = <1800 3300>;
 130         vmmc-supply = <&mmc_iv>;
 131 };
 132
 133 &sd_emmc_c {
 134         status = "okay";
 135         pinctrl-0 = <&emmc_pins>;
 136         pinctrl-names = "default";
 137
 138         bus-width = <8>;
 139         cap-sd-highspeed;
 140         cap-mmc-highspeed;
 141         max-frequency = <200000000>;
 142         non-removable;
 143         disable-wp;
 144         mmc-ddr-1_8v;
 145         mmc-hs200-1_8v;
 146
 147         mmc-pwrseq = <&emmc_pwrseq>;
 148         voltage-ranges = <1800 3300>;
 149         vmmc-supply = <&vcc_3v3>;
 150         vmmcq-sumpply = <&vddio_boot>;
 151 };