arch/arm/dts/sun8i-a33-sinlinx-sina33.dts

   1 /*
   2  * Copyright 2015 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 "sun8i-a33.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50 #include <dt-bindings/input/input.h>
  51 #include <dt-bindings/pinctrl/sun4i-a10.h>
  52
  53 / {
  54         model = "Sinlinx SinA33";
  55         compatible = "sinlinx,sina33", "allwinner,sun8i-a33";
  56
  57         aliases {
  58                 serial0 = &uart0;
  59         };
  60
  61         chosen {
  62                 stdout-path = "serial0:115200n8";
  63         };
  64 };
  65
  66 &ehci0 {
  67         status = "okay";
  68 };
  69
  70 &lradc {
  71         vref-supply = <&reg_dcdc1>;
  72         status = "okay";
  73
  74         button@200 {
  75                 label = "Volume Up";
  76                 linux,code = <KEY_VOLUMEUP>;
  77                 channel = <0>;
  78                 voltage = <191011>;
  79         };
  80
  81         button@400 {
  82                 label = "Volume Down";
  83                 linux,code = <KEY_VOLUMEDOWN>;
  84                 channel = <0>;
  85                 voltage = <391304>;
  86         };
  87
  88         button@600 {
  89                 label = "Home";
  90                 linux,code = <KEY_HOME>;
  91                 channel = <0>;
  92                 voltage = <600000>;
  93         };
  94 };
  95
  96 &mmc0 {
  97         pinctrl-names = "default";
  98         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_sina33>;
  99         vmmc-supply = <&reg_dcdc1>;
 100         bus-width = <4>;
 101         cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 102         cd-inverted;
 103         status = "okay";
 104 };
 105
 106 &mmc2 {
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&mmc2_8bit_pins>;
 109         vmmc-supply = <&reg_dcdc1>;
 110         bus-width = <8>;
 111         non-removable;
 112         cap-mmc-hw-reset;
 113         status = "okay";
 114 };
 115
 116 &mmc2_8bit_pins {
 117         /* Increase drive strength for DDR modes */
 118         allwinner,drive = <SUN4I_PINCTRL_40_MA>;
 119         /* eMMC is missing pull-ups */
 120         allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 121 };
 122
 123 &ohci0 {
 124         status = "okay";
 125 };
 126
 127 &pio {
 128         mmc0_cd_pin_sina33: mmc0_cd_pin@0 {
 129                 allwinner,pins = "PB4";
 130                 allwinner,function = "gpio_in";
 131                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 132                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 133         };
 134 };
 135
 136 &r_rsb {
 137         status = "okay";
 138
 139         axp22x: pmic@3a3 {
 140                 compatible = "x-powers,axp223";
 141                 reg = <0x3a3>;
 142                 interrupt-parent = <&nmi_intc>;
 143                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 144                 eldoin-supply = <&reg_dcdc1>;
 145         };
 146 };
 147
 148 #include "axp22x.dtsi"
 149
 150 &reg_aldo1 {
 151         regulator-always-on;
 152         regulator-min-microvolt = <3000000>;
 153         regulator-max-microvolt = <3000000>;
 154         regulator-name = "vcc-io";
 155 };
 156
 157 &reg_aldo2 {
 158         regulator-always-on;
 159         regulator-min-microvolt = <2350000>;
 160         regulator-max-microvolt = <2650000>;
 161         regulator-name = "vdd-dll";
 162 };
 163
 164 &reg_aldo3 {
 165         regulator-always-on;
 166         regulator-min-microvolt = <2700000>;
 167         regulator-max-microvolt = <3300000>;
 168         regulator-name = "vcc-pll-avcc";
 169 };
 170
 171 &reg_dc5ldo {
 172         regulator-always-on;
 173         regulator-min-microvolt = <900000>;
 174         regulator-max-microvolt = <1400000>;
 175         regulator-name = "vdd-cpus";
 176 };
 177
 178 &reg_dcdc1 {
 179         regulator-always-on;
 180         regulator-min-microvolt = <3000000>;
 181         regulator-max-microvolt = <3000000>;
 182         regulator-name = "vcc-3v0";
 183 };
 184
 185 &reg_dcdc2 {
 186         regulator-always-on;
 187         regulator-min-microvolt = <900000>;
 188         regulator-max-microvolt = <1400000>;
 189         regulator-name = "vdd-sys";
 190 };
 191
 192 &reg_dcdc3 {
 193         regulator-always-on;
 194         regulator-min-microvolt = <900000>;
 195         regulator-max-microvolt = <1400000>;
 196         regulator-name = "vdd-cpu";
 197 };
 198
 199 &reg_dcdc5 {
 200         regulator-always-on;
 201         regulator-min-microvolt = <1500000>;
 202         regulator-max-microvolt = <1500000>;
 203         regulator-name = "vcc-dram";
 204 };
 205
 206 &reg_rtc_ldo {
 207         regulator-name = "vcc-rtc";
 208 };
 209
 210 &uart0 {
 211         pinctrl-names = "default";
 212         pinctrl-0 = <&uart0_pins_b>;
 213         status = "okay";
 214 };
 215
 216 &usbphy {
 217         status = "okay";
 218         usb1_vbus-supply = <&reg_vcc5v0>; /* USB1 VBUS is always on */
 219 };