sun8i-a83t-allwinner-h8homlet-v2.dts

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    1 /*
    2  * Copyright 2015 Vishnu Patekar
    3  * Vishnu Patekar <vishnupatekar0510@gmail.com>
    4  *
    5  * This file is dual-licensed: you can use it either under the terms
    6  * of the GPL or the X11 license, at your option. Note that this dual
    7  * licensing only applies to this file, and not this project as a
    8  * whole.
    9  *
   10  *  a) This file is free software; you can redistribute it and/or
   11  *     modify it under the terms of the GNU General Public License as
   12  *     published by the Free Software Foundation; either version 2 of the
   13  *     License, or (at your option) any later version.
   14  *
   15  *     This file is distributed in the hope that it will be useful,
   16  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   17  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18  *     GNU General Public License for more details.
   19  *
   20  * Or, alternatively,
   21  *
   22  *  b) Permission is hereby granted, free of charge, to any person
   23  *     obtaining a copy of this software and associated documentation
   24  *     files (the "Software"), to deal in the Software without
   25  *     restriction, including without limitation the rights to use,
   26  *     copy, modify, merge, publish, distribute, sublicense, and/or
   27  *     sell copies of the Software, and to permit persons to whom the
   28  *     Software is furnished to do so, subject to the following
   29  *     conditions:
   30  *
   31  *     The above copyright notice and this permission notice shall be
   32  *     included in all copies or substantial portions of the Software.
   33  *
   34  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   35  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   36  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   37  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   38  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   39  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   40  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   41  *     OTHER DEALINGS IN THE SOFTWARE.
   42  */
   43 
   44 /dts-v1/;
   45 #include "sun8i-a83t.dtsi"
   46 
   47 #include <dt-bindings/gpio/gpio.h>
   48 
   49 / {
   50         model = "Allwinner A83T H8Homlet Proto Dev Board v2.0";
   51         compatible = "allwinner,h8homlet-v2", "allwinner,sun8i-a83t";
   52 
   53         aliases {
   54                 serial0 = &uart0;
   55         };
   56 
   57         chosen {
   58                 stdout-path = "serial0:115200n8";
   59         };
   60 
   61         reg_usb0_vbus: reg-usb0-vbus {
   62                 compatible = "regulator-fixed";
   63                 regulator-name = "usb0-vbus";
   64                 regulator-min-microvolt = <5000000>;
   65                 regulator-max-microvolt = <5000000>;
   66                 regulator-boot-on;
   67                 enable-active-high;
   68                 gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
   69         };
   70 
   71         reg_usb1_vbus: reg-usb1-vbus {
   72                 compatible = "regulator-fixed";
   73                 regulator-name = "usb1-vbus";
   74                 regulator-min-microvolt = <5000000>;
   75                 regulator-max-microvolt = <5000000>;
   76                 regulator-boot-on;
   77                 enable-active-high;
   78                 gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
   79         };
   80 };
   81 
   82 &cpu0 {
   83         cpu-supply = <&reg_dcdc2>;
   84 };
   85 
   86 &cpu100 {
   87         cpu-supply = <&reg_dcdc3>;
   88 };
   89 
   90 &ehci0 {
   91         status = "okay";
   92 };
   93 
   94 &mmc0 {
   95         pinctrl-names = "default";
   96         pinctrl-0 = <&mmc0_pins>;
   97         vmmc-supply = <&reg_dcdc1>;
   98         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
   99         bus-width = <4>;
  100         status = "okay";
  101 };
  102 
  103 &mmc2 {
  104         pinctrl-names = "default";
  105         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
  106         vmmc-supply = <&reg_dcdc1>;
  107         vqmmc-supply = <&reg_dcdc1>;
  108         bus-width = <8>;
  109         non-removable;
  110         cap-mmc-hw-reset;
  111         status = "okay";
  112 };
  113 
  114 &ohci0 {
  115         status = "okay";
  116 };
  117 
  118 &r_rsb {
  119         status = "okay";
  120 
  121         axp81x: pmic@3a3 {
  122                 compatible = "x-powers,axp818", "x-powers,axp813";
  123                 reg = <0x3a3>;
  124                 interrupt-parent = <&r_intc>;
  125                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
  126                 eldoin-supply = <&reg_dcdc1>;
  127                 swin-supply = <&reg_dcdc1>;
  128         };
  129 
  130         ac100: codec@e89 {
  131                 compatible = "x-powers,ac100";
  132                 reg = <0xe89>;
  133 
  134                 ac100_codec: codec {
  135                         compatible = "x-powers,ac100-codec";
  136                         interrupt-parent = <&r_pio>;
  137                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
  138                         #clock-cells = <0>;
  139                         clock-output-names = "4M_adda";
  140                 };
  141 
  142                 ac100_rtc: rtc {
  143                         compatible = "x-powers,ac100-rtc";
  144                         interrupt-parent = <&r_intc>;
  145                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
  146                         clocks = <&ac100_codec>;
  147                         #clock-cells = <1>;
  148                         clock-output-names = "cko1_rtc",
  149                                              "cko2_rtc",
  150                                              "cko3_rtc";
  151                 };
  152         };
  153 };
  154 
  155 #include "axp81x.dtsi"
  156 
  157 &ac_power_supply {
  158         status = "okay";
  159 };
  160 
  161 &reg_aldo1 {
  162         regulator-always-on;
  163         regulator-min-microvolt = <1800000>;
  164         regulator-max-microvolt = <1800000>;
  165         regulator-name = "vcc-1v8";
  166 };
  167 
  168 &reg_aldo2 {
  169         regulator-always-on;
  170         regulator-min-microvolt = <1800000>;
  171         regulator-max-microvolt = <1800000>;
  172         regulator-name = "dram-pll";
  173 };
  174 
  175 &reg_aldo3 {
  176         regulator-always-on;
  177         regulator-min-microvolt = <3000000>;
  178         regulator-max-microvolt = <3000000>;
  179         regulator-name = "avcc";
  180 };
  181 
  182 &reg_dcdc1 {
  183         regulator-always-on;
  184         regulator-min-microvolt = <3300000>;
  185         regulator-max-microvolt = <3300000>;
  186         regulator-name = "vcc-3v3";
  187 };
  188 
  189 &reg_dcdc2 {
  190         regulator-always-on;
  191         regulator-min-microvolt = <700000>;
  192         regulator-max-microvolt = <1100000>;
  193         regulator-name = "vdd-cpua";
  194 };
  195 
  196 &reg_dcdc3 {
  197         regulator-always-on;
  198         regulator-min-microvolt = <700000>;
  199         regulator-max-microvolt = <1100000>;
  200         regulator-name = "vdd-cpub";
  201 };
  202 
  203 &reg_dcdc4 {
  204         regulator-min-microvolt = <700000>;
  205         regulator-max-microvolt = <1100000>;
  206         regulator-name = "vdd-gpu";
  207 };
  208 
  209 &reg_dcdc5 {
  210         regulator-always-on;
  211         regulator-min-microvolt = <1500000>;
  212         regulator-max-microvolt = <1500000>;
  213         regulator-name = "vcc-dram";
  214 };
  215 
  216 &reg_dcdc6 {
  217         regulator-always-on;
  218         regulator-min-microvolt = <900000>;
  219         regulator-max-microvolt = <900000>;
  220         regulator-name = "vdd-sys";
  221 };
  222 
  223 &reg_dldo2 {
  224         regulator-min-microvolt = <3300000>;
  225         regulator-max-microvolt = <3300000>;
  226         regulator-name = "vcc-mipi";
  227 };
  228 
  229 &reg_dldo4 {
  230         /*
  231          * The PHY requires 20ms after all voltages are applied until core
  232          * logic is ready and 30ms after the reset pin is de-asserted.
  233          * Set a 100ms delay to account for PMIC ramp time and board traces.
  234          */
  235         regulator-enable-ramp-delay = <100000>;
  236         regulator-min-microvolt = <3300000>;
  237         regulator-max-microvolt = <3300000>;
  238         regulator-name = "vcc-ephy";
  239 };
  240 
  241 &reg_fldo1 {
  242         regulator-min-microvolt = <1080000>;
  243         regulator-max-microvolt = <1320000>;
  244         regulator-name = "vdd12-hsic";
  245 };
  246 
  247 &reg_fldo2 {
  248         /*
  249          * Despite the embedded CPUs core not being used in any way,
  250          * this must remain on or the system will hang.
  251          */
  252         regulator-always-on;
  253         regulator-min-microvolt = <700000>;
  254         regulator-max-microvolt = <1100000>;
  255         regulator-name = "vdd-cpus";
  256 };
  257 
  258 &reg_rtc_ldo {
  259         regulator-name = "vcc-rtc";
  260 };
  261 
  262 &reg_sw {
  263         regulator-name = "vcc-wifi";
  264 };
  265 
  266 &uart0 {
  267         pinctrl-names = "default";
  268         pinctrl-0 = <&uart0_pb_pins>;
  269         status = "okay";
  270 };
  271 
  272 &usbphy {
  273         usb0_vbus-supply = <&reg_usb0_vbus>;
  274         usb1_vbus-supply = <&reg_usb1_vbus>;
  275         status = "okay";
  276 };
  277 
  278 &usb_otg {
  279         dr_mode = "host";
  280         status = "okay";
  281 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/sun8i-a83t-allwinner-h8homlet-v2.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun8i-a83t-allwinner-h8homlet-v2.dts