boot/dts/sun6i-a31s-primo81.dts

0001 /*
0002  * Copyright 2014 Siarhei Siamashka <siarhei.siamashka@gmail.com>
0003  * Copyright 2015 Karsten Merker <merker@debian.org>
0004  * Copyright 2015 Chen-Yu Tsai <wens@csie.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 "sun6i-a31s.dtsi"
0047 #include "sunxi-common-regulators.dtsi"
0048
0049 #include <dt-bindings/gpio/gpio.h>
0050 #include <dt-bindings/input/input.h>
0051
0052 / {
0053         model = "MSI Primo81 tablet";
0054         compatible = "msi,primo81", "allwinner,sun6i-a31s";
0055
0056         hdmi-connector {
0057                 compatible = "hdmi-connector";
0058                 type = "c";
0059
0060                 port {
0061                         hdmi_con_in: endpoint {
0062                                 remote-endpoint = <&hdmi_out_con>;
0063                         };
0064                 };
0065         };
0066 };
0067
0068 &cpu0 {
0069         cpu-supply = <&reg_dcdc3>;
0070 };
0071
0072 &de {
0073         status = "okay";
0074 };
0075
0076 &ehci0 {
0077         /* rtl8188etv wifi is connected here */
0078         status = "okay";
0079 };
0080
0081 &hdmi {
0082         status = "okay";
0083 };
0084
0085 &hdmi_out {
0086         hdmi_out_con: endpoint {
0087                 remote-endpoint = <&hdmi_con_in>;
0088         };
0089 };
0090
0091 &i2c0 {
0092         /* pull-ups and device VDDIO use AXP221 DLDO3 */
0093         status = "failed";
0094 };
0095
0096 &i2c1 {
0097         status = "okay";
0098
0099         ctp@5d {
0100                 compatible = "goodix,gt911";
0101                 reg = <0x5d>;
0102                 interrupt-parent = <&pio>;
0103                 interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
0104                 touchscreen-swapped-x-y;
0105         };
0106 };
0107
0108 &i2c2 {
0109         status = "okay";
0110
0111         accelerometer@1c {
0112                 pinctrl-names = "default";
0113                 pinctrl-0 = <&mma8452_int_primo81>;
0114                 compatible = "fsl,mma8452";
0115                 reg = <0x1c>;
0116                 interrupt-parent = <&pio>;
0117                 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
0118         };
0119 };
0120
0121 &lradc {
0122         vref-supply = <&reg_aldo3>;
0123         status = "okay";
0124
0125         button-158 {
0126                 label = "Volume Up";
0127                 linux,code = <KEY_VOLUMEUP>;
0128                 channel = <0>;
0129                 voltage = <158730>;
0130         };
0131
0132         button-349 {
0133                 label = "Volume Down";
0134                 linux,code = <KEY_VOLUMEDOWN>;
0135                 channel = <0>;
0136                 voltage = <349206>;
0137         };
0138 };
0139
0140 &mmc0 {
0141         vmmc-supply = <&reg_dcdc1>;
0142         bus-width = <4>;
0143         cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
0144         status = "okay";
0145 };
0146
0147 &pio {
0148         mma8452_int_primo81: mma8452-int-pin {
0149                 pins = "PA9";
0150                 function = "gpio_in";
0151                 bias-pull-up;
0152         };
0153 };
0154
0155 &p2wi {
0156         status = "okay";
0157
0158         axp22x: pmic@68 {
0159                 compatible = "x-powers,axp221";
0160                 reg = <0x68>;
0161                 interrupt-parent = <&r_intc>;
0162                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
0163                 x-powers,drive-vbus-en;
0164         };
0165 };
0166
0167 #include "axp22x.dtsi"
0168
0169 &battery_power_supply {
0170         status = "okay";
0171 };
0172
0173 &reg_aldo3 {
0174         regulator-always-on;
0175         regulator-min-microvolt = <2700000>;
0176         regulator-max-microvolt = <3300000>;
0177         regulator-name = "avcc";
0178 };
0179
0180 &reg_dc1sw {
0181         regulator-name = "vcc-lcd";
0182 };
0183
0184 &reg_dc5ldo {
0185         regulator-min-microvolt = <700000>;
0186         regulator-max-microvolt = <1320000>;
0187         regulator-name = "vdd-cpus"; /* This is an educated guess */
0188 };
0189
0190 &reg_dcdc1 {
0191         regulator-always-on;
0192         regulator-min-microvolt = <3000000>;
0193         regulator-max-microvolt = <3000000>;
0194         regulator-name = "vcc-3v0";
0195 };
0196
0197 &reg_dcdc2 {
0198         regulator-min-microvolt = <700000>;
0199         regulator-max-microvolt = <1320000>;
0200         regulator-name = "vdd-gpu";
0201 };
0202
0203 &reg_dcdc3 {
0204         regulator-always-on;
0205         regulator-min-microvolt = <700000>;
0206         regulator-max-microvolt = <1320000>;
0207         regulator-name = "vdd-cpu";
0208 };
0209
0210 &reg_dcdc4 {
0211         regulator-always-on;
0212         regulator-min-microvolt = <700000>;
0213         regulator-max-microvolt = <1320000>;
0214         regulator-name = "vdd-sys-dll";
0215 };
0216
0217 &reg_dcdc5 {
0218         regulator-always-on;
0219         regulator-min-microvolt = <1500000>;
0220         regulator-max-microvolt = <1500000>;
0221         regulator-name = "vcc-dram";
0222 };
0223
0224 &reg_dldo1 {
0225         regulator-min-microvolt = <3300000>;
0226         regulator-max-microvolt = <3300000>;
0227         regulator-name = "vcc-wifi";
0228 };
0229
0230 &reg_dldo3 {
0231         regulator-min-microvolt = <2800000>;
0232         regulator-max-microvolt = <2800000>;
0233         regulator-name = "vddio-csi";
0234 };
0235
0236 &reg_drivevbus {
0237         regulator-name = "usb0-vbus";
0238         status = "okay";
0239 };
0240
0241 &reg_eldo3 {
0242         regulator-min-microvolt = <1080000>;
0243         regulator-max-microvolt = <1320000>;
0244         regulator-name = "vdd-mipi-bridge";
0245 };
0246
0247 &simplefb_lcd {
0248         vcc-lcd-supply = <&reg_dc1sw>;
0249         vdd-mipi-bridge-supply = <&reg_eldo3>;
0250 };
0251
0252 &usb_otg {
0253         dr_mode = "otg";
0254         status = "okay";
0255 };
0256
0257 &usb_power_supply {
0258         status = "okay";
0259 };
0260
0261 &usbphy {
0262         usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
0263         usb0_vbus_power-supply = <&usb_power_supply>;
0264         usb0_vbus-supply = <&reg_drivevbus>;
0265         usb1_vbus-supply = <&reg_dldo1>;
0266         status = "okay";
0267 };