arch/arm/boot/dts/sun5i-a13-utoo-p66.dts

   1 /*
   2  * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun5i-a13.dtsi"
  45 #include "sun5i-reference-design-tablet.dtsi"
  46 #include <dt-bindings/interrupt-controller/irq.h>
  47
  48 / {
  49         model = "Utoo P66";
  50         compatible = "utoo,p66", "allwinner,sun5i-a13";
  51
  52         /* The P66 uses the uart pins as gpios */
  53         aliases {
  54                 /delete-property/serial0;
  55         };
  56
  57         chosen {
  58                 /delete-property/stdout-path;
  59         };
  60
  61         i2c_lcd: i2c-gpio {
  62                 /* The lcd panel i2c interface is hooked up via gpios */
  63                 compatible = "i2c-gpio";
  64                 pinctrl-names = "default";
  65                 pinctrl-0 = <&i2c_lcd_pins>;
  66                 gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>, /* PG12, sda */
  67                         <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10, scl */
  68                 i2c-gpio,delay-us = <5>;
  69         };
  70 };
  71
  72 &backlight {
  73         /* Note levels of 10 / 20% result in backlight off */
  74         brightness-levels = <0 30 40 50 60 70 80 90 100>;
  75         default-brightness-level = <6>;
  76 };
  77
  78 &codec {
  79         allwinner,pa-gpios = <&pio 6 3 GPIO_ACTIVE_HIGH>; /* PG3 */
  80 };
  81
  82 &mmc2 {
  83         pinctrl-names = "default";
  84         pinctrl-0 = <&mmc2_8bit_pins>;
  85         vmmc-supply = <&reg_vcc3v3>;
  86         bus-width = <8>;
  87         non-removable;
  88         status = "okay";
  89
  90         mmccard: mmccard@0 {
  91                 reg = <0>;
  92                 compatible = "mmc-card";
  93                 broken-hpi;
  94         };
  95 };
  96
  97 &pio {
  98         i2c_lcd_pins: i2c-lcd-pin {
  99                 pins = "PG10", "PG12";
 100                 function = "gpio_out";
 101                 bias-pull-up;
 102         };
 103 };
 104
 105 &reg_usb0_vbus {
 106         gpio = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 107 };
 108
 109 &touchscreen {
 110         compatible = "chipone,icn8318";
 111         reg = <0x40>;
 112         /* The P66 uses a different EINT then the reference design */
 113         interrupts = <6 9 IRQ_TYPE_EDGE_FALLING>; /* EINT9 (PG9) */
 114         /* The icn8318 binding expects wake-gpios instead of power-gpios */
 115         wake-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
 116         touchscreen-size-x = <800>;
 117         touchscreen-size-y = <480>;
 118         touchscreen-inverted-x;
 119         touchscreen-swapped-x-y;
 120         status = "okay";
 121 };
 122
 123 &uart1 {
 124         /* The P66 uses the uart pins as gpios */
 125         status = "disabled";
 126 };