arch/arm/boot/dts/sun6i-a31s-colorfly-e708-q1.dts

   1 /*
   2  * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun6i-a31s.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48 #include <dt-bindings/input/input.h>
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50
  51 / {
  52         model = "Colorfly E708 Q1 tablet";
  53         compatible = "colorfly,e708-q1", "allwinner,sun6i-a31s";
  54
  55         aliases {
  56                 serial0 = &uart0;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62 };
  63
  64 &cpu0 {
  65         cpu-supply = <&reg_dcdc3>;
  66 };
  67
  68 &ehci0 {
  69         /* rtl8188etv wifi is connected here */
  70         status = "okay";
  71 };
  72
  73 &lradc {
  74         vref-supply = <&reg_aldo3>;
  75         status = "okay";
  76
  77         button@1000 {
  78                 label = "Home";
  79                 linux,code = <KEY_HOMEPAGE>;
  80                 channel = <0>;
  81                 voltage = <1000000>;
  82         };
  83 };
  84
  85 &mmc0 {
  86         pinctrl-names = "default";
  87         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_e708_q1>;
  88         vmmc-supply = <&reg_dcdc1>;
  89         bus-width = <4>;
  90         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
  91         cd-inverted;
  92         status = "okay";
  93 };
  94
  95 &pio {
  96         mma8452_int_e708_q1: mma8452_int_pin@0 {
  97                 allwinner,pins = "PA9";
  98                 allwinner,function = "gpio_in";
  99                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 100                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 101         };
 102
 103         mmc0_cd_pin_e708_q1: mmc0_cd_pin@0 {
 104                 allwinner,pins = "PA8";
 105                 allwinner,function = "gpio_in";
 106                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 107                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 108         };
 109 };
 110
 111 &p2wi {
 112         status = "okay";
 113
 114         axp22x: pmic@68 {
 115                 compatible = "x-powers,axp221";
 116                 reg = <0x68>;
 117                 interrupt-parent = <&nmi_intc>;
 118                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 119         };
 120 };
 121
 122 #include "axp22x.dtsi"
 123
 124 &reg_aldo3 {
 125         regulator-always-on;
 126         regulator-min-microvolt = <2700000>;
 127         regulator-max-microvolt = <3300000>;
 128         regulator-name = "avcc";
 129 };
 130
 131 &reg_dc1sw {
 132         regulator-name = "vcc-lcd";
 133 };
 134
 135 &reg_dc5ldo {
 136         regulator-always-on;
 137         regulator-min-microvolt = <700000>;
 138         regulator-max-microvolt = <1320000>;
 139         regulator-name = "vdd-cpus"; /* This is an educated guess */
 140 };
 141
 142 &reg_dcdc1 {
 143         regulator-always-on;
 144         regulator-min-microvolt = <3000000>;
 145         regulator-max-microvolt = <3000000>;
 146         regulator-name = "vcc-3v0";
 147 };
 148
 149 &reg_dcdc2 {
 150         regulator-min-microvolt = <700000>;
 151         regulator-max-microvolt = <1320000>;
 152         regulator-name = "vdd-gpu";
 153 };
 154
 155 &reg_dcdc3 {
 156         regulator-always-on;
 157         regulator-min-microvolt = <700000>;
 158         regulator-max-microvolt = <1320000>;
 159         regulator-name = "vdd-cpu";
 160 };
 161
 162 &reg_dcdc4 {
 163         regulator-always-on;
 164         regulator-min-microvolt = <700000>;
 165         regulator-max-microvolt = <1320000>;
 166         regulator-name = "vdd-sys-dll";
 167 };
 168
 169 &reg_dcdc5 {
 170         regulator-always-on;
 171         regulator-min-microvolt = <1500000>;
 172         regulator-max-microvolt = <1500000>;
 173         regulator-name = "vcc-dram";
 174 };
 175
 176 &reg_dldo1 {
 177         regulator-min-microvolt = <3300000>;
 178         regulator-max-microvolt = <3300000>;
 179         regulator-name = "vcc-wifi";
 180 };
 181
 182 &reg_dldo2 {
 183         regulator-min-microvolt = <1800000>;
 184         regulator-max-microvolt = <1800000>;
 185         regulator-name = "vcc-pg";
 186 };
 187
 188 &simplefb_lcd {
 189         vcc-lcd-supply = <&reg_dc1sw>;
 190         vcc-pg-supply = <&reg_dldo2>;
 191 };
 192
 193 /*
 194  * FIXME for now we only support host mode and rely on u-boot to have
 195  * turned on Vbus which is controlled by the axp221 pmic on the board.
 196  *
 197  * Once we have axp221 power-supply and vbus-usb support we should switch
 198  * to fully supporting otg.
 199  */
 200 &usb_otg {
 201         dr_mode = "host";
 202         status = "okay";
 203 };
 204
 205 &usbphy {
 206         usb1_vbus-supply = <&reg_dldo1>;
 207         status = "okay";
 208 };