arch/arm/boot/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts

   1 /*
   2  * Copyright 2015 Lawrence Yu <lyu@micile.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/pinctrl/sun4i-a10.h>
  49
  50 / {
  51         model = "Yones TopTech BS1078 v2 Tablet";
  52         compatible = "yones-toptech,bs1078-v2", "allwinner,sun6i-a31s";
  53
  54         aliases {
  55                 serial0 = &uart0;
  56                 i2c1 = &i2c1;
  57                 i2c2 = &i2c2;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63 };
  64
  65 &i2c1 {
  66         pinctrl-names = "default";
  67         pinctrl-0 = <&i2c1_pins_a>;
  68         status = "okay";
  69 };
  70
  71 &i2c2 {
  72         pinctrl-names = "default";
  73         pinctrl-0 = <&i2c2_pins_a>;
  74         status = "okay";
  75 };
  76
  77 &ehci0 {
  78         status = "okay";
  79 };
  80
  81 &ehci1 {
  82         status = "okay";
  83 };
  84
  85 &ohci0 {
  86         status = "okay";
  87 };
  88
  89 &ohci1 {
  90         status = "okay";
  91 };
  92
  93 &pio {
  94         mmc0_cd_pin_bs1078v2: mmc0_cd_pin@0 {
  95                 pins = "PA8";
  96                 function = "gpio_in";
  97                 bias-pull-up;
  98         };
  99 };
 100
 101 &mmc0 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_bs1078v2>;
 104         vmmc-supply = <&reg_vcc3v0>;
 105         bus-width = <4>;
 106         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 107         cd-inverted;
 108         status = "okay";
 109 };
 110
 111 &mmc0_pins_a {
 112         bias-pull-up;
 113 };
 114
 115 &p2wi {
 116         status = "okay";
 117
 118         axp22x: pmic@68 {
 119                 compatible = "x-powers,axp221";
 120                 reg = <0x68>;
 121                 interrupt-parent = <&nmi_intc>;
 122                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 123         };
 124 };
 125
 126 #include "axp22x.dtsi"
 127
 128 &reg_aldo3 {
 129         regulator-always-on;
 130         regulator-min-microvolt = <2700000>;
 131         regulator-max-microvolt = <3300000>;
 132         regulator-name = "avcc";
 133 };
 134
 135 &reg_dc1sw {
 136         regulator-name = "vcc-lcd-usb2";
 137 };
 138
 139 &reg_dc5ldo {
 140         regulator-min-microvolt = <700000>;
 141         regulator-max-microvolt = <1320000>;
 142         regulator-name = "vdd-cpus";
 143 };
 144
 145 &reg_dcdc1 {
 146         regulator-always-on;
 147         regulator-min-microvolt = <3000000>;
 148         regulator-max-microvolt = <3000000>;
 149         regulator-name = "vcc-3v0";
 150 };
 151
 152 &reg_dcdc2 {
 153         regulator-min-microvolt = <700000>;
 154         regulator-max-microvolt = <1320000>;
 155         regulator-name = "vdd-gpu";
 156 };
 157
 158 &reg_dcdc3 {
 159         regulator-always-on;
 160         regulator-min-microvolt = <700000>;
 161         regulator-max-microvolt = <1320000>;
 162         regulator-name = "vdd-cpu";
 163 };
 164
 165 &reg_dcdc4 {
 166         regulator-always-on;
 167         regulator-min-microvolt = <700000>;
 168         regulator-max-microvolt = <1320000>;
 169         regulator-name = "vdd-sys-dll";
 170 };
 171
 172 &reg_dcdc5 {
 173         regulator-always-on;
 174         regulator-min-microvolt = <1500000>;
 175         regulator-max-microvolt = <1500000>;
 176         regulator-name = "vcc-dram";
 177 };
 178
 179 &reg_dldo1 {
 180         regulator-min-microvolt = <3300000>;
 181         regulator-max-microvolt = <3300000>;
 182         regulator-name = "vcc-wifi";
 183 };
 184
 185 /* Voltage source for I2C pullup resistors for I2C Bus 0 */
 186 &reg_dldo3 {
 187         regulator-min-microvolt = <2800000>;
 188         regulator-max-microvolt = <2800000>;
 189         regulator-name = "vddio-csi";
 190 };
 191
 192 &uart0 {
 193         pinctrl-names = "default";
 194         pinctrl-0 = <&uart0_pins_a>;
 195         status = "okay";
 196 };
 197
 198 &usbphy {
 199         usb1_vbus-supply = <&reg_dldo1>;
 200         usb2_vbus-supply = <&reg_dc1sw>;
 201         status = "okay";
 202 };