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

0001 /*
0002  * Copyright 2015 Lawrence Yu <lyu@micile.com>
0003  *
0004  * This file is dual-licensed: you can use it either under the terms
0005  * of the GPL or the X11 license, at your option. Note that this dual
0006  * licensing only applies to this file, and not this project as a
0007  * whole.
0008  *
0009  *  a) This file is free software; you can redistribute it and/or
0010  *     modify it under the terms of the GNU General Public License as
0011  *     published by the Free Software Foundation; either version 2 of the
0012  *     License, or (at your option) any later version.
0013  *
0014  *     This file is distributed in the hope that it will be useful,
0015  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0016  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0017  *     GNU General Public License for more details.
0018  *
0019  * Or, alternatively,
0020  *
0021  *  b) Permission is hereby granted, free of charge, to any person
0022  *     obtaining a copy of this software and associated documentation
0023  *     files (the "Software"), to deal in the Software without
0024  *     restriction, including without limitation the rights to use,
0025  *     copy, modify, merge, publish, distribute, sublicense, and/or
0026  *     sell copies of the Software, and to permit persons to whom the
0027  *     Software is furnished to do so, subject to the following
0028  *     conditions:
0029  *
0030  *     The above copyright notice and this permission notice shall be
0031  *     included in all copies or substantial portions of the Software.
0032  *
0033  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0034  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0035  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0036  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0037  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0038  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0039  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0040  *     OTHER DEALINGS IN THE SOFTWARE.
0041  */
0042
0043 /dts-v1/;
0044 #include "sun6i-a31s.dtsi"
0045 #include "sunxi-common-regulators.dtsi"
0046
0047 #include <dt-bindings/gpio/gpio.h>
0048
0049 / {
0050         model = "Yones TopTech BS1078 v2 Tablet";
0051         compatible = "yones-toptech,bs1078-v2", "allwinner,sun6i-a31s";
0052
0053         aliases {
0054                 serial0 = &uart0;
0055                 i2c1 = &i2c1;
0056                 i2c2 = &i2c2;
0057         };
0058
0059         chosen {
0060                 stdout-path = "serial0:115200n8";
0061         };
0062 };
0063
0064 &i2c1 {
0065         status = "okay";
0066 };
0067
0068 &i2c2 {
0069         status = "okay";
0070 };
0071
0072 &ehci0 {
0073         status = "okay";
0074 };
0075
0076 &ehci1 {
0077         status = "okay";
0078 };
0079
0080 &ohci0 {
0081         status = "okay";
0082 };
0083
0084 &ohci1 {
0085         status = "okay";
0086 };
0087
0088 &mmc0 {
0089         vmmc-supply = <&reg_vcc3v0>;
0090         bus-width = <4>;
0091         cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
0092         status = "okay";
0093 };
0094
0095 &p2wi {
0096         status = "okay";
0097
0098         axp22x: pmic@68 {
0099                 compatible = "x-powers,axp221";
0100                 reg = <0x68>;
0101                 interrupt-parent = <&r_intc>;
0102                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
0103         };
0104 };
0105
0106 #include "axp22x.dtsi"
0107
0108 &reg_aldo3 {
0109         regulator-always-on;
0110         regulator-min-microvolt = <2700000>;
0111         regulator-max-microvolt = <3300000>;
0112         regulator-name = "avcc";
0113 };
0114
0115 &reg_dc1sw {
0116         regulator-name = "vcc-lcd-usb2";
0117 };
0118
0119 &reg_dc5ldo {
0120         regulator-min-microvolt = <700000>;
0121         regulator-max-microvolt = <1320000>;
0122         regulator-name = "vdd-cpus";
0123 };
0124
0125 &reg_dcdc1 {
0126         regulator-always-on;
0127         regulator-min-microvolt = <3000000>;
0128         regulator-max-microvolt = <3000000>;
0129         regulator-name = "vcc-3v0";
0130 };
0131
0132 &reg_dcdc2 {
0133         regulator-min-microvolt = <700000>;
0134         regulator-max-microvolt = <1320000>;
0135         regulator-name = "vdd-gpu";
0136 };
0137
0138 &reg_dcdc3 {
0139         regulator-always-on;
0140         regulator-min-microvolt = <700000>;
0141         regulator-max-microvolt = <1320000>;
0142         regulator-name = "vdd-cpu";
0143 };
0144
0145 &reg_dcdc4 {
0146         regulator-always-on;
0147         regulator-min-microvolt = <700000>;
0148         regulator-max-microvolt = <1320000>;
0149         regulator-name = "vdd-sys-dll";
0150 };
0151
0152 &reg_dcdc5 {
0153         regulator-always-on;
0154         regulator-min-microvolt = <1500000>;
0155         regulator-max-microvolt = <1500000>;
0156         regulator-name = "vcc-dram";
0157 };
0158
0159 &reg_dldo1 {
0160         regulator-min-microvolt = <3300000>;
0161         regulator-max-microvolt = <3300000>;
0162         regulator-name = "vcc-wifi";
0163 };
0164
0165 /* Voltage source for I2C pullup resistors for I2C Bus 0 */
0166 &reg_dldo3 {
0167         regulator-min-microvolt = <2800000>;
0168         regulator-max-microvolt = <2800000>;
0169         regulator-name = "vddio-csi";
0170 };
0171
0172 &uart0 {
0173         pinctrl-names = "default";
0174         pinctrl-0 = <&uart0_ph_pins>;
0175         status = "okay";
0176 };
0177
0178 &usbphy {
0179         usb1_vbus-supply = <&reg_dldo1>;
0180         usb2_vbus-supply = <&reg_dc1sw>;
0181         status = "okay";
0182 };