boot/dts/sun4i-a10-gemei-g9.dts

0001 /*
0002  * Copyright 2015 Priit Laes
0003  *
0004  * Priit Laes <plaes@plaes.org>
0005  *
0006  * This file is dual-licensed: you can use it either under the terms
0007  * of the GPL or the X11 license, at your option. Note that this dual
0008  * licensing only applies to this file, and not this project as a
0009  * whole.
0010  *
0011  *  a) This file is free software; you can redistribute it and/or
0012  *     modify it under the terms of the GNU General Public License as
0013  *     published by the Free Software Foundation; either version 2 of the
0014  *     License, or (at your option) any later version.
0015  *
0016  *     This file is distributed in the hope that it will be useful,
0017  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0018  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0019  *     GNU General Public License for more details.
0020  *
0021  * Or, alternatively,
0022  *
0023  *  b) Permission is hereby granted, free of charge, to any person
0024  *     obtaining a copy of this software and associated documentation
0025  *     files (the "Software"), to deal in the Software without
0026  *     restriction, including without limitation the rights to use,
0027  *     copy, modify, merge, publish, distribute, sublicense, and/or
0028  *     sell copies of the Software, and to permit persons to whom the
0029  *     Software is furnished to do so, subject to the following
0030  *     conditions:
0031  *
0032  *     The above copyright notice and this permission notice shall be
0033  *     included in all copies or substantial portions of the Software.
0034  *
0035  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0036  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0037  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0038  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0039  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0040  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0041  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0042  *     OTHER DEALINGS IN THE SOFTWARE.
0043  */
0044
0045 /dts-v1/;
0046 #include "sun4i-a10.dtsi"
0047 #include "sunxi-common-regulators.dtsi"
0048 #include <dt-bindings/gpio/gpio.h>
0049 #include <dt-bindings/input/input.h>
0050 #include <dt-bindings/interrupt-controller/irq.h>
0051
0052 / {
0053         model = "Gemei G9 Tablet";
0054         compatible = "gemei,g9", "allwinner,sun4i-a10";
0055
0056         aliases {
0057                 serial0 = &uart0;
0058         };
0059
0060         chosen {
0061                 stdout-path = "serial0:115200n8";
0062         };
0063 };
0064
0065 /*
0066  * TODO:
0067  *   2x cameras via CSI
0068  *   AXP battery management
0069  *   NAND
0070  *   OTG
0071  *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
0072  */
0073 &codec {
0074         /* PH15 controls power to external amplifier (ft2012q) */
0075         allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>;
0076         status = "okay";
0077 };
0078
0079 &cpu0 {
0080         cpu-supply = <&reg_dcdc2>;
0081 };
0082
0083 &ehci0 {
0084         status = "okay";
0085 };
0086
0087 &ehci1 {
0088         status = "okay";
0089 };
0090
0091 &i2c0 {
0092         status = "okay";
0093
0094         axp209: pmic@34 {
0095                 reg = <0x34>;
0096                 interrupts = <0>;
0097         };
0098 };
0099
0100 #include "axp209.dtsi"
0101
0102 &i2c1 {
0103         status = "okay";
0104
0105         /* Accelerometer */
0106         bma250@18 {
0107                 compatible = "bosch,bma250";
0108                 reg = <0x18>;
0109                 interrupt-parent = <&pio>;
0110                 interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
0111         };
0112 };
0113
0114 &lradc {
0115         vref-supply = <&reg_ldo2>;
0116
0117         status = "okay";
0118
0119         button-158 {
0120                 label = "Volume Down";
0121                 linux,code = <KEY_VOLUMEDOWN>;
0122                 channel = <0>;
0123                 voltage = <158730>;
0124         };
0125
0126         button-349 {
0127                 label = "Volume Up";
0128                 linux,code = <KEY_VOLUMEUP>;
0129                 channel = <0>;
0130                 voltage = <349206>;
0131         };
0132
0133         button-1142 {
0134                 label = "Esc";
0135                 linux,code = <KEY_ESC>;
0136                 channel = <0>;
0137                 voltage = <1142856>;
0138         };
0139 };
0140
0141 &mmc0 {
0142         vmmc-supply = <&reg_vcc3v3>;
0143         bus-width = <4>;
0144         cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH01 */
0145         status = "okay";
0146 };
0147
0148 &reg_dcdc2 {
0149         regulator-always-on;
0150         regulator-min-microvolt = <1000000>;
0151         regulator-max-microvolt = <1400000>;
0152         regulator-name = "vdd-cpu";
0153 };
0154
0155 &reg_dcdc3 {
0156         regulator-always-on;
0157         regulator-min-microvolt = <1250000>;
0158         regulator-max-microvolt = <1250000>;
0159         regulator-name = "vdd-int-dll";
0160 };
0161
0162 &reg_ldo1 {
0163         regulator-name = "vdd-rtc";
0164 };
0165
0166 &reg_ldo2 {
0167         regulator-always-on;
0168         regulator-min-microvolt = <3000000>;
0169         regulator-max-microvolt = <3000000>;
0170         regulator-name = "avcc";
0171 };
0172
0173 &reg_usb1_vbus {
0174         status = "okay";
0175 };
0176
0177 &reg_usb2_vbus {
0178         status = "okay";
0179 };
0180
0181
0182 &uart0  {
0183         pinctrl-names = "default";
0184         pinctrl-0 = <&uart0_pb_pins>;
0185         status = "okay";
0186 };
0187
0188 &usbphy {
0189         usb1_vbus-supply = <&reg_usb1_vbus>;
0190         usb2_vbus-supply = <&reg_usb2_vbus>;
0191         status = "okay";
0192 };