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      1 /*
      2  * Copyright (C) 2017 Icenowy Zheng <icenowy (at) aosc.io>
      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 "sun8i-r40.dtsi"
     45 
     46 #include <dt-bindings/gpio/gpio.h>
     47 
     48 / {
     49 	model = "Banana Pi M2 Berry";
     50 	compatible = "sinovoip,bpi-m2-berry", "allwinner,sun8i-r40";
     51 
     52 	aliases {
     53 		serial0 = &uart0;
     54 	};
     55 
     56 	chosen {
     57 		stdout-path = "serial0:115200n8";
     58 	};
     59 };
     60 
     61 &i2c0 {
     62 	status = "okay";
     63 
     64 	axp22x: pmic@68 {
     65 		compatible = "x-powers,axp221";
     66 		reg = <0x34>;
     67 		interrupt-parent = <&nmi_intc>;
     68 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
     69 	};
     70 };
     71 
     72 #include "axp22x.dtsi"
     73 
     74 &reg_aldo3 {
     75 	regulator-always-on;
     76 	regulator-min-microvolt = <2700000>;
     77 	regulator-max-microvolt = <3300000>;
     78 	regulator-name = "avcc";
     79 };
     80 
     81 &reg_dcdc1 {
     82 	regulator-always-on;
     83 	regulator-min-microvolt = <3000000>;
     84 	regulator-max-microvolt = <3000000>;
     85 	regulator-name = "vcc-3v0";
     86 };
     87 
     88 &reg_dcdc2 {
     89 	regulator-always-on;
     90 	regulator-min-microvolt = <1000000>;
     91 	regulator-max-microvolt = <1300000>;
     92 	regulator-name = "vdd-cpu";
     93 };
     94 
     95 &reg_dcdc3 {
     96 	regulator-always-on;
     97 	regulator-min-microvolt = <1000000>;
     98 	regulator-max-microvolt = <1300000>;
     99 	regulator-name = "vdd-sys";
    100 };
    101 
    102 &reg_dcdc5 {
    103 	regulator-always-on;
    104 	regulator-min-microvolt = <1500000>;
    105 	regulator-max-microvolt = <1500000>;
    106 	regulator-name = "vcc-dram";
    107 };
    108 
    109 &reg_dldo1 {
    110 	regulator-min-microvolt = <1800000>;
    111 	regulator-max-microvolt = <3300000>;
    112 	regulator-name = "vcc-wifi-io";
    113 };
    114 
    115 &reg_dldo2 {
    116 	regulator-min-microvolt = <3300000>;
    117 	regulator-max-microvolt = <3300000>;
    118 	regulator-name = "vcc-wifi";
    119 };
    120 
    121 &mmc0 {
    122 	vmmc-supply = <&reg_dcdc1>;
    123 	bus-width = <4>;
    124 	cd-gpios = <&pio 7 13 GPIO_ACTIVE_LOW>; /* PH13 */
    125 	status = "okay";
    126 };
    127 
    128 &uart0 {
    129 	pinctrl-names = "default";
    130 	pinctrl-0 = <&uart0_pb_pins>;
    131 	status = "okay";
    132 };
    133