arch/arm/boot/dts/sun6i-reference-design-tablet.dtsi

   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 #include "sunxi-common-regulators.dtsi"
  44
  45 #include <dt-bindings/gpio/gpio.h>
  46 #include <dt-bindings/input/input.h>
  47 #include <dt-bindings/pinctrl/sun4i-a10.h>
  48
  49 / {
  50         aliases {
  51                 serial0 = &uart0;
  52         };
  53
  54         chosen {
  55                 stdout-path = "serial0:115200n8";
  56         };
  57 };
  58
  59 &cpu0 {
  60         cpu-supply = <&reg_dcdc3>;
  61 };
  62
  63 &ehci0 {
  64         /* Wifi is connected here */
  65         status = "okay";
  66 };
  67
  68 &mmc0 {
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_e708_q1>;
  71         vmmc-supply = <&reg_dcdc1>;
  72         bus-width = <4>;
  73         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
  74         cd-inverted;
  75         status = "okay";
  76 };
  77
  78 &pio {
  79         mmc0_cd_pin_e708_q1: mmc0_cd_pin@0 {
  80                 allwinner,pins = "PA8";
  81                 allwinner,function = "gpio_in";
  82                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  83                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
  84         };
  85
  86         usb0_id_detect_pin: usb0_id_detect_pin@0 {
  87                 allwinner,pins = "PA15";
  88                 allwinner,function = "gpio_in";
  89                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  90                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
  91         };
  92 };
  93
  94 &p2wi {
  95         status = "okay";
  96
  97         axp22x: pmic@68 {
  98                 compatible = "x-powers,axp221";
  99                 reg = <0x68>;
 100                 interrupt-parent = <&nmi_intc>;
 101                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 102                 drivevbus-supply = <&reg_vcc5v0>;
 103                 x-powers,drive-vbus-en;
 104         };
 105 };
 106
 107 #include "axp22x.dtsi"
 108
 109 &reg_aldo3 {
 110         regulator-always-on;
 111         regulator-min-microvolt = <2700000>;
 112         regulator-max-microvolt = <3300000>;
 113         regulator-name = "avcc";
 114 };
 115
 116 &reg_dc1sw {
 117         regulator-name = "vcc-lcd";
 118 };
 119
 120 &reg_dc5ldo {
 121         regulator-always-on;
 122         regulator-min-microvolt = <700000>;
 123         regulator-max-microvolt = <1320000>;
 124         regulator-name = "vdd-cpus"; /* This is an educated guess */
 125 };
 126
 127 &reg_dcdc1 {
 128         regulator-always-on;
 129         regulator-min-microvolt = <3000000>;
 130         regulator-max-microvolt = <3000000>;
 131         regulator-name = "vcc-3v0";
 132 };
 133
 134 &reg_dcdc2 {
 135         regulator-min-microvolt = <700000>;
 136         regulator-max-microvolt = <1320000>;
 137         regulator-name = "vdd-gpu";
 138 };
 139
 140 &reg_dcdc3 {
 141         regulator-always-on;
 142         regulator-min-microvolt = <700000>;
 143         regulator-max-microvolt = <1320000>;
 144         regulator-name = "vdd-cpu";
 145 };
 146
 147 &reg_dcdc4 {
 148         regulator-always-on;
 149         regulator-min-microvolt = <700000>;
 150         regulator-max-microvolt = <1320000>;
 151         regulator-name = "vdd-sys-dll";
 152 };
 153
 154 &reg_dcdc5 {
 155         regulator-always-on;
 156         regulator-min-microvolt = <1500000>;
 157         regulator-max-microvolt = <1500000>;
 158         regulator-name = "vcc-dram";
 159 };
 160
 161 &reg_dldo1 {
 162         regulator-min-microvolt = <3300000>;
 163         regulator-max-microvolt = <3300000>;
 164         regulator-name = "vcc-wifi";
 165 };
 166
 167 &reg_drivevbus {
 168         regulator-name = "usb0-vbus";
 169         status = "okay";
 170 };
 171
 172 &simplefb_lcd {
 173         vcc-lcd-supply = <&reg_dc1sw>;
 174 };
 175
 176 &usb_otg {
 177         dr_mode = "otg";
 178         status = "okay";
 179 };
 180
 181 &usb_power_supply {
 182         status = "okay";
 183 };
 184
 185 &usbphy {
 186         pinctrl-names = "default";
 187         pinctrl-0 = <&usb0_id_detect_pin>;
 188         usb0_id_det-gpio = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
 189         usb0_vbus_power-supply = <&usb_power_supply>;
 190         usb0_vbus-supply = <&reg_drivevbus>;
 191         usb1_vbus-supply = <&reg_dldo1>;
 192         status = "okay";
 193 };