sun9i-a80-optimus.dts

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    1 /*
    2  * Copyright 2014 Chen-Yu Tsai
    3  *
    4  * 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 "sun9i-a80.dtsi"
   47 
   48 #include <dt-bindings/gpio/gpio.h>
   49 
   50 / {
   51         model = "Merrii A80 Optimus Board";
   52         compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
   53 
   54         aliases {
   55                 serial0 = &uart0;
   56                 serial1 = &uart4;
   57         };
   58 
   59         chosen {
   60                 stdout-path = "serial0:115200n8";
   61         };
   62 
   63         leds {
   64                 compatible = "gpio-leds";
   65 
   66                 /* The LED names match those found on the board */
   67                 led2 {
   68                         label = "optimus:led2:usr";
   69                         gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
   70                 };
   71 
   72                 led3 {
   73                         label = "optimus:led3:usr";
   74                         gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
   75                 };
   76 
   77                 led4 {
   78                         label = "optimus:led4:usr";
   79                         gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
   80                 };
   81         };
   82 
   83         reg_usb1_vbus: usb1-vbus {
   84                 compatible = "regulator-fixed";
   85                 regulator-name = "usb1-vbus";
   86                 regulator-min-microvolt = <5000000>;
   87                 regulator-max-microvolt = <5000000>;
   88                 enable-active-high;
   89                 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
   90         };
   91 
   92         reg_usb3_vbus: usb3-vbus {
   93                 compatible = "regulator-fixed";
   94                 regulator-name = "usb3-vbus";
   95                 regulator-min-microvolt = <5000000>;
   96                 regulator-max-microvolt = <5000000>;
   97                 enable-active-high;
   98                 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
   99         };
  100 
  101         wifi_pwrseq: wifi-pwrseq {
  102                 compatible = "mmc-pwrseq-simple";
  103                 clocks = <&ac100_rtc 1>;
  104                 clock-names = "ext_clock";
  105                 /* enables internal regulator and de-asserts reset */
  106                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
  107         };
  108 };
  109 
  110 &ehci0 {
  111         status = "okay";
  112 };
  113 
  114 &ehci1 {
  115         /* Enable if HSIC peripheral is connected */
  116         status = "disabled";
  117 };
  118 
  119 &ehci2 {
  120         status = "okay";
  121 };
  122 
  123 &gmac {
  124         pinctrl-names = "default";
  125         pinctrl-0 = <&gmac_rgmii_pins>;
  126         phy-handle = <&phy1>;
  127         phy-mode = "rgmii-id";
  128         phy-supply = <&reg_cldo1>;
  129         status = "okay";
  130 };
  131 
  132 &mdio {
  133         phy1: ethernet-phy@1 {
  134                 reg = <1>;
  135         };
  136 };
  137 
  138 &mmc0 {
  139         pinctrl-names = "default";
  140         pinctrl-0 = <&mmc0_pins>;
  141         vmmc-supply = <&reg_dcdc1>;
  142         bus-width = <4>;
  143         cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */
  144         status = "okay";
  145 };
  146 
  147 &mmc1 {
  148         pinctrl-names = "default";
  149         pinctrl-0 = <&mmc1_pins>;
  150         vmmc-supply = <&reg_dldo1>;
  151         vqmmc-supply = <&reg_cldo3>;
  152         mmc-pwrseq = <&wifi_pwrseq>;
  153         bus-width = <4>;
  154         non-removable;
  155         status = "okay";
  156 };
  157 
  158 &mmc1_pins {
  159         bias-pull-up;
  160 };
  161 
  162 &mmc2 {
  163         pinctrl-names = "default";
  164         pinctrl-0 = <&mmc2_8bit_pins>;
  165         vmmc-supply = <&reg_dcdc1>;
  166         bus-width = <8>;
  167         non-removable;
  168         cap-mmc-hw-reset;
  169         status = "okay";
  170 };
  171 
  172 &mmc2_8bit_pins {
  173         /* Increase drive strength for DDR modes */
  174         drive-strength = <40>;
  175 };
  176 
  177 &ohci0 {
  178         status = "okay";
  179 };
  180 
  181 &ohci2 {
  182         status = "okay";
  183 };
  184 
  185 &osc32k {
  186         /* osc32k input is from AC100 */
  187         clocks = <&ac100_rtc 0>;
  188 };
  189 
  190 &pio {
  191         vcc-pa-supply = <&reg_ldo_io1>;
  192         vcc-pb-supply = <&reg_aldo2>;
  193         vcc-pc-supply = <&reg_dcdc1>;
  194         vcc-pd-supply = <&reg_dcdc1>;
  195         vcc-pe-supply = <&reg_eldo2>;
  196         vcc-pf-supply = <&reg_dcdc1>;
  197         vcc-pg-supply = <&reg_ldo_io0>;
  198         vcc-ph-supply = <&reg_dcdc1>;
  199 };
  200 
  201 &r_ir {
  202         status = "okay";
  203 };
  204 
  205 &r_pio {
  206         vcc-pl-supply = <&reg_dldo2>;
  207         vcc-pm-supply = <&reg_eldo3>;
  208 };
  209 
  210 &r_rsb {
  211         status = "okay";
  212 
  213         axp809: pmic@3a3 {
  214                 reg = <0x3a3>;
  215                 interrupt-parent = <&nmi_intc>;
  216                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
  217 
  218                 regulators {
  219                         reg_aldo1: aldo1 {
  220                                 /*
  221                                  * TODO: This should be handled by the
  222                                  * USB PHY driver.
  223                                  */
  224                                 regulator-always-on;
  225                                 regulator-min-microvolt = <3000000>;
  226                                 regulator-max-microvolt = <3000000>;
  227                                 regulator-name = "vcc33-usbh";
  228                         };
  229 
  230                         reg_aldo2: aldo2 {
  231                                 regulator-min-microvolt = <1800000>;
  232                                 regulator-max-microvolt = <1800000>;
  233                                 regulator-name = "vcc-pb-io-cam";
  234                         };
  235 
  236                         aldo3 {
  237                                 /* unused */
  238                         };
  239 
  240                         reg_dc5ldo: dc5ldo {
  241                                 regulator-always-on;
  242                                 regulator-min-microvolt = <800000>;
  243                                 regulator-max-microvolt = <1100000>;
  244                                 regulator-name = "vdd-cpus-09-usbh";
  245                         };
  246 
  247                         dc1sw {
  248                                 /* unused */
  249                         };
  250 
  251                         reg_dcdc1: dcdc1 {
  252                                 regulator-always-on;
  253                                 regulator-min-microvolt = <3000000>;
  254                                 regulator-max-microvolt = <3000000>;
  255                                 regulator-name = "vcc-3v";
  256                         };
  257 
  258                         reg_dcdc2: dcdc2 {
  259                                 regulator-min-microvolt = <800000>;
  260                                 regulator-max-microvolt = <1100000>;
  261                                 regulator-name = "vdd-gpu";
  262                         };
  263 
  264                         reg_dcdc3: dcdc3 {
  265                                 regulator-always-on;
  266                                 regulator-min-microvolt = <800000>;
  267                                 regulator-max-microvolt = <1100000>;
  268                                 regulator-name = "vdd-cpua";
  269                         };
  270 
  271                         reg_dcdc4: dcdc4 {
  272                                 regulator-always-on;
  273                                 regulator-min-microvolt = <800000>;
  274                                 regulator-max-microvolt = <1100000>;
  275                                 regulator-name = "vdd-sys-usb0-hdmi";
  276                         };
  277 
  278                         reg_dcdc5: dcdc5 {
  279                                 regulator-always-on;
  280                                 regulator-min-microvolt = <1425000>;
  281                                 regulator-max-microvolt = <1575000>;
  282                                 regulator-name = "vcc-dram";
  283                         };
  284 
  285                         reg_dldo1: dldo1 {
  286                                 /*
  287                                  * The WiFi chip supports a wide range
  288                                  * (3.0 ~ 4.8V) of voltages, and so does
  289                                  * this regulator (3.0 ~ 4.2V), but
  290                                  * Allwinner SDK always sets it to 3.3V.
  291                                  */
  292                                 regulator-min-microvolt = <3300000>;
  293                                 regulator-max-microvolt = <3300000>;
  294                                 regulator-name = "vcc-wifi";
  295                         };
  296 
  297                         reg_dldo2: dldo2 {
  298                                 regulator-min-microvolt = <3000000>;
  299                                 regulator-max-microvolt = <3000000>;
  300                                 regulator-name = "vcc-pl";
  301                         };
  302 
  303                         reg_eldo1: eldo1 {
  304                                 regulator-min-microvolt = <1200000>;
  305                                 regulator-max-microvolt = <1200000>;
  306                                 regulator-name = "vcc-dvdd-cam";
  307                         };
  308 
  309                         reg_eldo2: eldo2 {
  310                                 regulator-min-microvolt = <1800000>;
  311                                 regulator-max-microvolt = <1800000>;
  312                                 regulator-name = "vcc-pe";
  313                         };
  314 
  315                         reg_eldo3: eldo3 {
  316                                 regulator-min-microvolt = <3000000>;
  317                                 regulator-max-microvolt = <3000000>;
  318                                 regulator-name = "vcc-pm-codec-io1";
  319                         };
  320 
  321                         reg_ldo_io0: ldo_io0 {
  322                                 regulator-min-microvolt = <3000000>;
  323                                 regulator-max-microvolt = <3000000>;
  324                                 regulator-name = "vcc-pg";
  325                         };
  326 
  327                         reg_ldo_io1: ldo_io1 {
  328                                 regulator-min-microvolt = <2500000>;
  329                                 regulator-max-microvolt = <2500000>;
  330                                 regulator-name = "vcc-pa-gmac-2v5";
  331                         };
  332 
  333                         reg_rtc_ldo: rtc_ldo {
  334                                 regulator-name = "vcc-rtc-vdd1v8-io";
  335                         };
  336 
  337                         sw {
  338                                 /* unused */
  339                         };
  340                 };
  341         };
  342 
  343         axp806: pmic@745 {
  344                 compatible = "x-powers,axp806";
  345                 reg = <0x745>;
  346                 interrupt-parent = <&nmi_intc>;
  347                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
  348                 interrupt-controller;
  349                 #interrupt-cells = <1>;
  350                 bldoin-supply = <&reg_dcdce>;
  351 
  352                 regulators {
  353                         reg_s_aldo1: aldo1 {
  354                                 regulator-always-on;
  355                                 regulator-min-microvolt = <3000000>;
  356                                 regulator-max-microvolt = <3000000>;
  357                                 regulator-name = "avcc";
  358                         };
  359 
  360                         aldo2 {
  361                                 /*
  362                                  * unused, but use a different name to
  363                                  * avoid name clash with axp809's aldo's
  364                                  */
  365                                 regulator-name = "s_aldo2";
  366                         };
  367 
  368                         aldo3 {
  369                                 /*
  370                                  * unused, but use a different name to
  371                                  * avoid name clash with axp809's aldo's
  372                                  */
  373                                 regulator-name = "s_aldo3";
  374                         };
  375 
  376                         reg_bldo1: bldo1 {
  377                                 regulator-always-on;
  378                                 regulator-min-microvolt = <1700000>;
  379                                 regulator-max-microvolt = <1900000>;
  380                                 regulator-name = "vcc18-efuse-adc-display-csi";
  381                         };
  382 
  383                         reg_bldo2: bldo2 {
  384                                 regulator-always-on;
  385                                 regulator-min-microvolt = <1700000>;
  386                                 regulator-max-microvolt = <1900000>;
  387                                 regulator-name =
  388                                         "vdd18-drampll-vcc18-pll-cpvdd";
  389                         };
  390 
  391                         bldo3 {
  392                                 /* unused */
  393                         };
  394 
  395                         reg_bldo4: bldo4 {
  396                                 regulator-min-microvolt = <1100000>;
  397                                 regulator-max-microvolt = <1300000>;
  398                                 regulator-name = "vcc12-hsic";
  399                         };
  400 
  401                         reg_cldo1: cldo1 {
  402                                 /*
  403                                  * This was 3V in the original design, but
  404                                  * 3.3V is the recommended supply voltage
  405                                  * for the Ethernet PHY.
  406                                  */
  407                                 regulator-min-microvolt = <3300000>;
  408                                 regulator-max-microvolt = <3300000>;
  409                                 /*
  410                                  * The PHY requires 20ms after all voltages
  411                                  * are applied until core logic is ready and
  412                                  * 30ms after the reset pin is de-asserted.
  413                                  * Set a 100ms delay to account for PMIC
  414                                  * ramp time and board traces.
  415                                  */
  416                                 regulator-enable-ramp-delay = <100000>;
  417                                 regulator-name = "vcc-gmac-phy";
  418                         };
  419 
  420                         reg_cldo2: cldo2 {
  421                                 regulator-min-microvolt = <2800000>;
  422                                 regulator-max-microvolt = <2800000>;
  423                                 regulator-name = "afvcc-cam";
  424                         };
  425 
  426                         reg_cldo3: cldo3 {
  427                                 regulator-min-microvolt = <3000000>;
  428                                 regulator-max-microvolt = <3000000>;
  429                                 regulator-name = "vcc-io-wifi-codec-io2";
  430                         };
  431 
  432                         reg_dcdca: dcdca {
  433                                 regulator-always-on;
  434                                 regulator-min-microvolt = <800000>;
  435                                 regulator-max-microvolt = <1100000>;
  436                                 regulator-name = "vdd-cpub";
  437                         };
  438 
  439                         reg_dcdcd: dcdcd {
  440                                 regulator-always-on;
  441                                 regulator-min-microvolt = <800000>;
  442                                 regulator-max-microvolt = <1100000>;
  443                                 regulator-name = "vdd-vpu";
  444                         };
  445 
  446                         reg_dcdce: dcdce {
  447                                 regulator-always-on;
  448                                 regulator-min-microvolt = <2100000>;
  449                                 regulator-max-microvolt = <2100000>;
  450                                 regulator-name = "vcc-bldo-codec-ldoin";
  451                         };
  452 
  453                         sw {
  454                                 /*
  455                                  * unused, but use a different name to
  456                                  * avoid name clash with axp809's sw
  457                                  */
  458                                 regulator-name = "s_sw";
  459                         };
  460                 };
  461         };
  462 
  463         ac100: codec@e89 {
  464                 compatible = "x-powers,ac100";
  465                 reg = <0xe89>;
  466 
  467                 ac100_codec: codec {
  468                         compatible = "x-powers,ac100-codec";
  469                         interrupt-parent = <&r_pio>;
  470                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
  471                         #clock-cells = <0>;
  472                         clock-output-names = "4M_adda";
  473                 };
  474 
  475                 ac100_rtc: rtc {
  476                         compatible = "x-powers,ac100-rtc";
  477                         interrupt-parent = <&nmi_intc>;
  478                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
  479                         clocks = <&ac100_codec>;
  480                         #clock-cells = <1>;
  481                         clock-output-names = "cko1_rtc",
  482                                              "cko2_rtc",
  483                                              "cko3_rtc";
  484                 };
  485         };
  486 };
  487 
  488 #include "axp809.dtsi"
  489 
  490 &uart0 {
  491         pinctrl-names = "default";
  492         pinctrl-0 = <&uart0_ph_pins>;
  493         status = "okay";
  494 };
  495 
  496 &usbphy1 {
  497         phy-supply = <&reg_usb1_vbus>;
  498         status = "okay";
  499 };
  500 
  501 &usbphy2 {
  502         phy-supply = <&reg_bldo4>;
  503         /* Enable if HSIC peripheral is connected */
  504         status = "disabled";
  505 };
  506 
  507 &usbphy3 {
  508         phy-supply = <&reg_usb3_vbus>;
  509         status = "okay";
  510 };
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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/sun9i-a80-optimus.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun9i-a80-optimus.dts
