arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi

   1 /*
   2  * Copyright 2015 Chen-Yu Tsai <wens@csie.org>
   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 "sun6i-a31s.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48 #include <dt-bindings/pinctrl/sun4i-a10.h>
  49
  50 / {
  51         model = "Sinlinx SinA31s Core Board";
  52         compatible = "sinlinx,sina31s", "allwinner,sun6i-a31s";
  53
  54         aliases {
  55                 serial0 = &uart0;
  56         };
  57 };
  58
  59 &cpu0 {
  60         cpu-supply = <&reg_dcdc3>;
  61 };
  62
  63 /* eMMC on core board */
  64 &mmc3 {
  65         pinctrl-names = "default";
  66         pinctrl-0 = <&mmc3_8bit_emmc_pins>;
  67         vmmc-supply = <&reg_dcdc1>;
  68         vqmmc-supply = <&reg_dcdc1>;
  69         bus-width = <8>;
  70         non-removable;
  71         cap-mmc-hw-reset;
  72         status = "okay";
  73 };
  74
  75 /* AXP221s PMIC on core board */
  76 &p2wi {
  77         status = "okay";
  78
  79         axp22x: pmic@68 {
  80                 compatible = "x-powers,axp221";
  81                 reg = <0x68>;
  82                 interrupt-parent = <&nmi_intc>;
  83                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
  84         };
  85 };
  86
  87 #include "axp22x.dtsi"
  88
  89 &reg_aldo3 {
  90         regulator-always-on;
  91         regulator-min-microvolt = <2700000>;
  92         regulator-max-microvolt = <3300000>;
  93         regulator-name = "avcc";
  94 };
  95
  96 &reg_dc5ldo {
  97         regulator-min-microvolt = <700000>;
  98         regulator-max-microvolt = <1320000>;
  99         regulator-name = "vdd-cpus";
 100 };
 101
 102 &reg_dcdc1 {
 103         regulator-always-on;
 104         regulator-min-microvolt = <3000000>;
 105         regulator-max-microvolt = <3000000>;
 106         regulator-name = "vcc-3v0";
 107 };
 108
 109 &reg_dcdc2 {
 110         regulator-min-microvolt = <700000>;
 111         regulator-max-microvolt = <1320000>;
 112         regulator-name = "vdd-gpu";
 113 };
 114
 115 &reg_dcdc3 {
 116         regulator-always-on;
 117         regulator-min-microvolt = <700000>;
 118         regulator-max-microvolt = <1320000>;
 119         regulator-name = "vdd-cpu";
 120 };
 121
 122 &reg_dcdc4 {
 123         regulator-always-on;
 124         regulator-min-microvolt = <700000>;
 125         regulator-max-microvolt = <1320000>;
 126         regulator-name = "vdd-sys-dll";
 127 };
 128
 129 &reg_dcdc5 {
 130         regulator-always-on;
 131         regulator-min-microvolt = <1500000>;
 132         regulator-max-microvolt = <1500000>;
 133         regulator-name = "vcc-dram";
 134 };
 135
 136 /* UART0 pads available on core board */
 137 &uart0 {
 138         pinctrl-names = "default";
 139         pinctrl-0 = <&uart0_pins_a>;
 140         status = "okay";
 141 };
 142