sun5i-reference-design-tablet.dtsi

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    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 #include "sunxi-reference-design-tablet.dtsi"
   43 
   44 #include <dt-bindings/interrupt-controller/irq.h>
   45 #include <dt-bindings/pwm/pwm.h>
   46 
   47 / {
   48         aliases {
   49                 serial0 = &uart1;
   50         };
   51 
   52         backlight: backlight {
   53                 compatible = "pwm-backlight";
   54                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
   55                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
   56                 default-brightness-level = <8>;
   57                 enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; /* AXP GPIO1 */
   58                 power-supply = <&reg_vcc3v0>;
   59         };
   60 
   61         chosen {
   62                 stdout-path = "serial0:115200n8";
   63         };
   64 };
   65 
   66 &codec {
   67         allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */
   68         status = "okay";
   69 };
   70 
   71 &cpu0 {
   72         cpu-supply = <&reg_dcdc2>;
   73 };
   74 
   75 &ehci0 {
   76         status = "okay";
   77 };
   78 
   79 &i2c0 {
   80         axp209: pmic@34 {
   81                 reg = <0x34>;
   82                 interrupts = <0>;
   83         };
   84 };
   85 
   86 &i2c1 {
   87         /*
   88          * The gsl1680 is rated at 400KHz and it will not work reliable at
   89          * 100KHz, this has been confirmed on multiple different q8 tablets.
   90          * All other devices on this bus are also rated for 400KHz.
   91          */
   92         clock-frequency = <400000>;
   93 
   94         touchscreen: touchscreen@40 {
   95                 reg = <0x40>;
   96                 interrupt-parent = <&pio>;
   97                 interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; /* EINT11 (PG11) */
   98                 power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
   99                 /* Tablet dts must provide reg and compatible */
  100                 status = "disabled";
  101         };
  102 
  103         pcf8563: rtc@51 {
  104                 compatible = "nxp,pcf8563";
  105                 reg = <0x51>;
  106         };
  107 };
  108 
  109 #include "axp209.dtsi"
  110 
  111 &ac_power_supply {
  112         status = "okay";
  113 };
  114 
  115 &battery_power_supply {
  116         status = "okay";
  117 };
  118 
  119 &lradc {
  120         vref-supply = <&reg_ldo2>;
  121 };
  122 
  123 &mmc0 {
  124         pinctrl-names = "default";
  125         pinctrl-0 = <&mmc0_pins>;
  126         vmmc-supply = <&reg_vcc3v0>;
  127         bus-width = <4>;
  128         cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
  129         status = "okay";
  130 };
  131 
  132 &otg_sram {
  133         status = "okay";
  134 };
  135 
  136 &reg_dcdc2 {
  137         regulator-always-on;
  138         regulator-min-microvolt = <1000000>;
  139         regulator-max-microvolt = <1500000>;
  140         regulator-name = "vdd-cpu";
  141 };
  142 
  143 &reg_dcdc3 {
  144         regulator-always-on;
  145         regulator-min-microvolt = <1000000>;
  146         regulator-max-microvolt = <1400000>;
  147         regulator-name = "vdd-int-pll";
  148 };
  149 
  150 &reg_ldo1 {
  151         regulator-name = "vdd-rtc";
  152 };
  153 
  154 &reg_ldo2 {
  155         regulator-always-on;
  156         regulator-min-microvolt = <3000000>;
  157         regulator-max-microvolt = <3000000>;
  158         regulator-name = "avcc";
  159 };
  160 
  161 &reg_ldo3 {
  162         regulator-min-microvolt = <3300000>;
  163         regulator-max-microvolt = <3300000>;
  164         regulator-name = "vcc-wifi";
  165 };
  166 
  167 &reg_usb0_vbus {
  168         gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
  169         status = "okay";
  170 };
  171 
  172 &uart1 {
  173         pinctrl-names = "default";
  174         pinctrl-0 = <&uart1_pg_pins>;
  175         status = "okay";
  176 };
  177 
  178 &usb_otg {
  179         dr_mode = "otg";
  180         status = "okay";
  181 };
  182 
  183 &usb_power_supply {
  184         status = "okay";
  185 };
  186 
  187 &usbphy {
  188         usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
  189         usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
  190         usb0_vbus_power-supply = <&usb_power_supply>;
  191         usb0_vbus-supply = <&reg_usb0_vbus>;
  192         usb1_vbus-supply = <&reg_ldo3>;
  193         status = "okay";
  194 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/sun5i-reference-design-tablet.dtsi

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun5i-reference-design-tablet.dtsi