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                 touchscreen-swapped-x-y;
  87         };
  88 };
  89
  90 &i2c2 {
  91         pinctrl-names = "default";
  92         pinctrl-0 = <&i2c2_pins_a>;
  93         status = "okay";
  94
  95         accelerometer@1c {
  96                 pinctrl-names = "default";
  97                 pinctrl-0 = <&mma8452_int_primo81>;
  98                 compatible = "fsl,mma8452";
  99                 reg = <0x1c>;
 100                 interrupt-parent = <&pio>;
 101                 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
 102                 #io-channel-cells = <1>;
 103         };
 104 };
 105
 106 &lradc {
 107         vref-supply = <&reg_aldo3>;
 108         status = "okay";
 109
 110         button@158 {
 111                 label = "Volume Up";
 112                 linux,code = <KEY_VOLUMEUP>;
 113                 channel = <0>;
 114                 voltage = <158730>;
 115         };
 116
 117         button@349 {
 118                 label = "Volume Down";
 119                 linux,code = <KEY_VOLUMEDOWN>;
 120                 channel = <0>;
 121                 voltage = <349206>;
 122         };
 123 };
 124
 125 &mmc0 {
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_primo81>;
 128         vmmc-supply = <&reg_dcdc1>;
 129         bus-width = <4>;
 130         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 131         cd-inverted;
 132         status = "okay";
 133 };
 134
 135 &pio {
 136         gt911_int_primo81: gt911_int_pin@0 {
 137                 allwinner,pins = "PA3";
 138                 allwinner,function = "gpio_in";
 139                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 140                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 141         };
 142
 143         mma8452_int_primo81: mma8452_int_pin@0 {
 144                 allwinner,pins = "PA9";
 145                 allwinner,function = "gpio_in";
 146                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 147                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 148         };
 149
 150         mmc0_cd_pin_primo81: mmc0_cd_pin@0 {
 151                 allwinner,pins = "PA8";
 152                 allwinner,function = "gpio_in";
 153                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 154                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 155         };
 156 };
 157
 158 &p2wi {
 159         status = "okay";
 160
 161         axp22x: pmic@68 {
 162                 compatible = "x-powers,axp221";
 163                 reg = <0x68>;
 164                 interrupt-parent = <&nmi_intc>;
 165                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 166         };
 167 };
 168
 169 #include "axp22x.dtsi"
 170
 171 &reg_aldo3 {
 172         regulator-always-on;
 173         regulator-min-microvolt = <2700000>;
 174         regulator-max-microvolt = <3300000>;
 175         regulator-name = "avcc";
 176 };
 177
 178 &reg_dc1sw {
 179         regulator-min-microvolt = <3000000>;
 180         regulator-max-microvolt = <3000000>;
 181         regulator-name = "vcc-lcd";
 182 };
 183
 184 &reg_dc5ldo {
 185         regulator-min-microvolt = <700000>;
 186         regulator-max-microvolt = <1320000>;
 187         regulator-name = "vdd-cpus"; /* This is an educated guess */
 188 };
 189
 190 &reg_dcdc1 {
 191         regulator-always-on;
 192         regulator-min-microvolt = <3000000>;
 193         regulator-max-microvolt = <3000000>;
 194         regulator-name = "vcc-3v0";
 195 };
 196
 197 &reg_dcdc2 {
 198         regulator-min-microvolt = <700000>;
 199         regulator-max-microvolt = <1320000>;
 200         regulator-name = "vdd-gpu";
 201 };
 202
 203 &reg_dcdc3 {
 204         regulator-always-on;
 205         regulator-min-microvolt = <700000>;
 206         regulator-max-microvolt = <1320000>;
 207         regulator-name = "vdd-cpu";
 208 };
 209
 210 &reg_dcdc4 {
 211         regulator-always-on;
 212         regulator-min-microvolt = <700000>;
 213         regulator-max-microvolt = <1320000>;
 214         regulator-name = "vdd-sys-dll";
 215 };
 216
 217 &reg_dcdc5 {
 218         regulator-always-on;
 219         regulator-min-microvolt = <1500000>;
 220         regulator-max-microvolt = <1500000>;
 221         regulator-name = "vcc-dram";
 222 };
 223
 224 &reg_dldo1 {
 225         regulator-min-microvolt = <3300000>;
 226         regulator-max-microvolt = <3300000>;
 227         regulator-name = "vcc-wifi";
 228 };
 229
 230 &reg_dldo3 {
 231         regulator-min-microvolt = <2800000>;
 232         regulator-max-microvolt = <2800000>;
 233         regulator-name = "vddio-csi";
 234 };
 235
 236 &reg_eldo3 {
 237         regulator-min-microvolt = <1080000>;
 238         regulator-max-microvolt = <1320000>;
 239         regulator-name = "vdd-mipi-bridge";
 240 };
 241
 242 &simplefb_lcd {
 243         vcc-lcd-supply = <&reg_dc1sw>;
 244         vdd-mipi-bridge-supply = <&reg_eldo3>;
 245 };
 246
 247 &usb_otg {
 248         /* otg support requires support for AXP221 usb-power-supply and GPIO */
 249         dr_mode = "host";
 250         status = "okay";
 251 };
 252
 253 &usbphy {
 254         usb1_vbus-supply = <&reg_dldo1>;
 255         status = "okay";
 256 };