arch/arm/boot/dts/sun6i-a31s-primo81.dts

   1 /*
   2  * Copyright 2014 Siarhei Siamashka <siarhei.siamashka@gmail.com>
   3  * Copyright 2015 Karsten Merker <merker@debian.org>
   4  * Copyright 2015 Chen-Yu Tsai <wens@csie.org>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This file is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This file is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 /dts-v1/;
  46 #include "sun6i-a31s.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50 #include <dt-bindings/input/input.h>
  51 #include <dt-bindings/pinctrl/sun4i-a10.h>
  52
  53 / {
  54         model = "MSI Primo81 tablet";
  55         compatible = "msi,primo81", "allwinner,sun6i-a31s";
  56 };
  57
  58 &cpu0 {
  59         cpu-supply = <&reg_dcdc3>;
  60 };
  61
  62 &ehci0 {
  63         /* rtl8188etv wifi is connected here */
  64         status = "okay";
  65 };
  66
  67 &i2c0 {
  68         /* pull-ups and device VDDIO use AXP221 DLDO3 */
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&i2c0_pins_a>;
  71         status = "failed";
  72 };
  73
  74 &i2c1 {
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&i2c1_pins_a>;
  77         status = "okay";
  78
  79         ctp@5d {
  80                 pinctrl-names = "default";
  81                 pinctrl-0 = <&gt911_int_primo81>;
  82                 compatible = "goodix,gt911";
  83                 reg = <0x5d>;
  84                 interrupt-parent = <&pio>;
  85                 interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
  86         };
  87 };
  88
  89 &i2c2 {
  90         pinctrl-names = "default";
  91         pinctrl-0 = <&i2c2_pins_a>;
  92         status = "okay";
  93
  94         accelerometer@1c {
  95                 pinctrl-names = "default";
  96                 pinctrl-0 = <&mma8452_int_primo81>;
  97                 compatible = "fsl,mma8452";
  98                 reg = <0x1c>;
  99                 interrupt-parent = <&pio>;
 100                 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
 101                 #io-channel-cells = <1>;
 102         };
 103 };
 104
 105 &lradc {
 106         vref-supply = <&reg_aldo3>;
 107         status = "okay";
 108
 109         button@158 {
 110                 label = "Volume Up";
 111                 linux,code = <KEY_VOLUMEUP>;
 112                 channel = <0>;
 113                 voltage = <158730>;
 114         };
 115
 116         button@349 {
 117                 label = "Volume Down";
 118                 linux,code = <KEY_VOLUMEDOWN>;
 119                 channel = <0>;
 120                 voltage = <349206>;
 121         };
 122 };
 123
 124 &mmc0 {
 125         pinctrl-names = "default";
 126         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_primo81>;
 127         vmmc-supply = <&reg_dcdc1>;
 128         bus-width = <4>;
 129         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 130         cd-inverted;
 131         status = "okay";
 132 };
 133
 134 &pio {
 135         gt911_int_primo81: gt911_int_pin@0 {
 136                 allwinner,pins = "PA3";
 137                 allwinner,function = "gpio_in";
 138                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 139                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 140         };
 141
 142         mma8452_int_primo81: mma8452_int_pin@0 {
 143                 allwinner,pins = "PA9";
 144                 allwinner,function = "gpio_in";
 145                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 146                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 147         };
 148
 149         mmc0_cd_pin_primo81: mmc0_cd_pin@0 {
 150                 allwinner,pins = "PA8";
 151                 allwinner,function = "gpio_in";
 152                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 153                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 154         };
 155 };
 156
 157 &p2wi {
 158         status = "okay";
 159
 160         axp22x: pmic@68 {
 161                 compatible = "x-powers,axp221";
 162                 reg = <0x68>;
 163                 interrupt-parent = <&nmi_intc>;
 164                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 165         };
 166 };
 167
 168 #include "axp22x.dtsi"
 169
 170 &reg_aldo3 {
 171         regulator-always-on;
 172         regulator-min-microvolt = <2700000>;
 173         regulator-max-microvolt = <3300000>;
 174         regulator-name = "avcc";
 175 };
 176
 177 &reg_dc1sw {
 178         regulator-min-microvolt = <3000000>;
 179         regulator-max-microvolt = <3000000>;
 180         regulator-name = "vcc-lcd";
 181 };
 182
 183 &reg_dc5ldo {
 184         regulator-min-microvolt = <700000>;
 185         regulator-max-microvolt = <1320000>;
 186         regulator-name = "vdd-cpus"; /* This is an educated guess */
 187 };
 188
 189 &reg_dcdc1 {
 190         regulator-always-on;
 191         regulator-min-microvolt = <3000000>;
 192         regulator-max-microvolt = <3000000>;
 193         regulator-name = "vcc-3v0";
 194 };
 195
 196 &reg_dcdc2 {
 197         regulator-min-microvolt = <700000>;
 198         regulator-max-microvolt = <1320000>;
 199         regulator-name = "vdd-gpu";
 200 };
 201
 202 &reg_dcdc3 {
 203         regulator-always-on;
 204         regulator-min-microvolt = <700000>;
 205         regulator-max-microvolt = <1320000>;
 206         regulator-name = "vdd-cpu";
 207 };
 208
 209 &reg_dcdc4 {
 210         regulator-always-on;
 211         regulator-min-microvolt = <700000>;
 212         regulator-max-microvolt = <1320000>;
 213         regulator-name = "vdd-sys-dll";
 214 };
 215
 216 &reg_dcdc5 {
 217         regulator-always-on;
 218         regulator-min-microvolt = <1500000>;
 219         regulator-max-microvolt = <1500000>;
 220         regulator-name = "vcc-dram";
 221 };
 222
 223 &reg_dldo1 {
 224         regulator-min-microvolt = <3300000>;
 225         regulator-max-microvolt = <3300000>;
 226         regulator-name = "vcc-wifi";
 227 };
 228
 229 &reg_dldo3 {
 230         regulator-min-microvolt = <2800000>;
 231         regulator-max-microvolt = <2800000>;
 232         regulator-name = "vddio-csi";
 233 };
 234
 235 &reg_eldo3 {
 236         regulator-min-microvolt = <1080000>;
 237         regulator-max-microvolt = <1320000>;
 238         regulator-name = "vdd-mipi-bridge";
 239 };
 240
 241 &simplefb_lcd {
 242         vcc-lcd-supply = <&reg_dc1sw>;
 243         vdd-mipi-bridge-supply = <&reg_eldo3>;
 244 };
 245
 246 &usb_otg {
 247         /* otg support requires support for AXP221 usb-power-supply and GPIO */
 248         dr_mode = "host";
 249         status = "okay";
 250 };
 251
 252 &usbphy {
 253         usb1_vbus-supply = <&reg_dldo1>;
 254         status = "okay";
 255 };