boot/dts/sun7i-a20-wexler-tab7200.dts

0001 /*
0002  * Copyright 2015 Aleksei Mamlin
0003  * Aleksei Mamlin <mamlinav@gmail.com>
0004  *
0005  * This file is dual-licensed: you can use it either under the terms
0006  * of the GPL or the X11 license, at your option. Note that this dual
0007  * licensing only applies to this file, and not this project as a
0008  * whole.
0009  *
0010  *  a) This file is free software; you can redistribute it and/or
0011  *     modify it under the terms of the GNU General Public License as
0012  *     published by the Free Software Foundation; either version 2 of the
0013  *     License, or (at your option) any later version.
0014  *
0015  *     This file is distributed in the hope that it will be useful,
0016  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0017  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0018  *     GNU General Public License for more details.
0019  *
0020  * Or, alternatively,
0021  *
0022  *  b) Permission is hereby granted, free of charge, to any person
0023  *     obtaining a copy of this software and associated documentation
0024  *     files (the "Software"), to deal in the Software without
0025  *     restriction, including without limitation the rights to use,
0026  *     copy, modify, merge, publish, distribute, sublicense, and/or
0027  *     sell copies of the Software, and to permit persons to whom the
0028  *     Software is furnished to do so, subject to the following
0029  *     conditions:
0030  *
0031  *     The above copyright notice and this permission notice shall be
0032  *     included in all copies or substantial portions of the Software.
0033  *
0034  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0035  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0036  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0037  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0038  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0039  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0040  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0041  *     OTHER DEALINGS IN THE SOFTWARE.
0042  */
0043
0044 /dts-v1/;
0045 #include "sun7i-a20.dtsi"
0046 #include "sunxi-common-regulators.dtsi"
0047
0048 #include <dt-bindings/gpio/gpio.h>
0049 #include <dt-bindings/input/input.h>
0050 #include <dt-bindings/interrupt-controller/irq.h>
0051 #include <dt-bindings/pwm/pwm.h>
0052
0053 / {
0054         model = "Wexler TAB7200";
0055         compatible = "wexler,tab7200", "allwinner,sun7i-a20";
0056
0057         aliases {
0058                 serial0 = &uart0;
0059         };
0060
0061         backlight {
0062                 compatible = "pwm-backlight";
0063                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
0064                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
0065                 default-brightness-level = <8>;
0066                 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
0067                 power-supply = <&reg_vcc3v3>;
0068         };
0069
0070         chosen {
0071                 stdout-path = "serial0:115200n8";
0072         };
0073 };
0074
0075 &codec {
0076         allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
0077         status = "okay";
0078 };
0079
0080 &cpu0 {
0081         cpu-supply = <&reg_dcdc2>;
0082 };
0083
0084 &ehci0 {
0085         status = "okay";
0086 };
0087
0088 &ehci1 {
0089         status = "okay";
0090 };
0091
0092 &i2c0 {
0093         status = "okay";
0094
0095         axp209: pmic@34 {
0096                 reg = <0x34>;
0097                 interrupt-parent = <&nmi_intc>;
0098                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
0099         };
0100 };
0101
0102 #include "axp209.dtsi"
0103
0104 &i2c1 {
0105         status = "okay";
0106 };
0107
0108 &i2c2 {
0109         status = "okay";
0110
0111         gt911: touchscreen@5d {
0112                 compatible = "goodix,gt911";
0113                 reg = <0x5d>;
0114                 interrupt-parent = <&pio>;
0115                 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
0116                 irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
0117                 reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
0118                 touchscreen-swapped-x-y;
0119         };
0120 };
0121
0122 &lradc {
0123         vref-supply = <&reg_vcc3v0>;
0124         status = "okay";
0125
0126         button-571 {
0127                 label = "Volume Up";
0128                 linux,code = <KEY_VOLUMEUP>;
0129                 channel = <0>;
0130                 voltage = <571428>;
0131         };
0132
0133         button-761 {
0134                 label = "Volume Down";
0135                 linux,code = <KEY_VOLUMEDOWN>;
0136                 channel = <0>;
0137                 voltage = <761904>;
0138         };
0139 };
0140
0141 &mmc0 {
0142         vmmc-supply = <&reg_vcc3v3>;
0143         bus-width = <4>;
0144         cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
0145         status = "okay";
0146 };
0147
0148 &ohci0 {
0149         status = "okay";
0150 };
0151
0152 &ohci1 {
0153         status = "okay";
0154 };
0155
0156 &otg_sram {
0157         status = "okay";
0158 };
0159
0160 &pwm {
0161         pinctrl-names = "default";
0162         pinctrl-0 = <&pwm0_pin>;
0163         status = "okay";
0164 };
0165
0166 &reg_dcdc2 {
0167         regulator-always-on;
0168         regulator-min-microvolt = <1000000>;
0169         regulator-max-microvolt = <1450000>;
0170         regulator-name = "vdd-cpu";
0171 };
0172
0173 &reg_dcdc3 {
0174         regulator-always-on;
0175         regulator-min-microvolt = <1000000>;
0176         regulator-max-microvolt = <1400000>;
0177         regulator-name = "vdd-int-dll";
0178 };
0179
0180 &reg_ldo1 {
0181         regulator-name = "vdd-rtc";
0182 };
0183
0184 &reg_ldo2 {
0185         regulator-always-on;
0186         regulator-min-microvolt = <3000000>;
0187         regulator-max-microvolt = <3000000>;
0188         regulator-name = "avcc";
0189 };
0190
0191 &reg_usb0_vbus {
0192         status = "okay";
0193 };
0194
0195 &reg_usb1_vbus {
0196         status = "okay";
0197 };
0198
0199 &reg_usb2_vbus {
0200         status = "okay";
0201 };
0202
0203 &uart0 {
0204         pinctrl-names = "default";
0205         pinctrl-0 = <&uart0_pb_pins>;
0206         status = "okay";
0207 };
0208
0209 &usb_otg {
0210         dr_mode = "otg";
0211         status = "okay";
0212 };
0213
0214 &usb_power_supply {
0215         status = "okay";
0216 };
0217
0218 &usbphy {
0219         usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
0220         usb0_vbus_power-supply = <&usb_power_supply>;
0221         usb0_vbus-supply = <&reg_usb0_vbus>;
0222         usb1_vbus-supply = <&reg_usb1_vbus>;
0223         usb2_vbus-supply = <&reg_usb2_vbus>;
0224         status = "okay";
0225 };