arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts

   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 &ehci0 {
  83         status = "okay";
  84 };
  85
  86 &mmc0 {
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&mmc0_pins>;
  89         vmmc-supply = <&reg_dcdc1>;
  90         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
  91         bus-width = <4>;
  92         status = "okay";
  93 };
  94
  95 &mmc2 {
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
  98         vmmc-supply = <&reg_dcdc1>;
  99         vqmmc-supply = <&reg_dcdc1>;
 100         bus-width = <8>;
 101         non-removable;
 102         cap-mmc-hw-reset;
 103         status = "okay";
 104 };
 105
 106 &ohci0 {
 107         status = "okay";
 108 };
 109
 110 &r_rsb {
 111         status = "okay";
 112
 113         axp81x: pmic@3a3 {
 114                 compatible = "x-powers,axp818", "x-powers,axp813";
 115                 reg = <0x3a3>;
 116                 interrupt-parent = <&r_intc>;
 117                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 118                 eldoin-supply = <&reg_dcdc1>;
 119                 swin-supply = <&reg_dcdc1>;
 120         };
 121
 122         ac100: codec@e89 {
 123                 compatible = "x-powers,ac100";
 124                 reg = <0xe89>;
 125
 126                 ac100_codec: codec {
 127                         compatible = "x-powers,ac100-codec";
 128                         interrupt-parent = <&r_pio>;
 129                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
 130                         #clock-cells = <0>;
 131                         clock-output-names = "4M_adda";
 132                 };
 133
 134                 ac100_rtc: rtc {
 135                         compatible = "x-powers,ac100-rtc";
 136                         interrupt-parent = <&r_intc>;
 137                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 138                         clocks = <&ac100_codec>;
 139                         #clock-cells = <1>;
 140                         clock-output-names = "cko1_rtc",
 141                                              "cko2_rtc",
 142                                              "cko3_rtc";
 143                 };
 144         };
 145 };
 146
 147 #include "axp81x.dtsi"
 148
 149 &reg_aldo1 {
 150         regulator-always-on;
 151         regulator-min-microvolt = <1800000>;
 152         regulator-max-microvolt = <1800000>;
 153         regulator-name = "vcc-1v8";
 154 };
 155
 156 &reg_aldo2 {
 157         regulator-always-on;
 158         regulator-min-microvolt = <1800000>;
 159         regulator-max-microvolt = <1800000>;
 160         regulator-name = "dram-pll";
 161 };
 162
 163 &reg_aldo3 {
 164         regulator-always-on;
 165         regulator-min-microvolt = <3000000>;
 166         regulator-max-microvolt = <3000000>;
 167         regulator-name = "avcc";
 168 };
 169
 170 &reg_dcdc1 {
 171         regulator-always-on;
 172         regulator-min-microvolt = <3300000>;
 173         regulator-max-microvolt = <3300000>;
 174         regulator-name = "vcc-3v3";
 175 };
 176
 177 &reg_dcdc2 {
 178         regulator-always-on;
 179         regulator-min-microvolt = <700000>;
 180         regulator-max-microvolt = <1100000>;
 181         regulator-name = "vdd-cpua";
 182 };
 183
 184 &reg_dcdc3 {
 185         regulator-always-on;
 186         regulator-min-microvolt = <700000>;
 187         regulator-max-microvolt = <1100000>;
 188         regulator-name = "vdd-cpub";
 189 };
 190
 191 &reg_dcdc4 {
 192         regulator-min-microvolt = <700000>;
 193         regulator-max-microvolt = <1100000>;
 194         regulator-name = "vdd-gpu";
 195 };
 196
 197 &reg_dcdc5 {
 198         regulator-always-on;
 199         regulator-min-microvolt = <1500000>;
 200         regulator-max-microvolt = <1500000>;
 201         regulator-name = "vcc-dram";
 202 };
 203
 204 &reg_dcdc6 {
 205         regulator-always-on;
 206         regulator-min-microvolt = <900000>;
 207         regulator-max-microvolt = <900000>;
 208         regulator-name = "vdd-sys";
 209 };
 210
 211 &reg_dldo2 {
 212         regulator-min-microvolt = <3300000>;
 213         regulator-max-microvolt = <3300000>;
 214         regulator-name = "vcc-mipi";
 215 };
 216
 217 &reg_dldo4 {
 218         /*
 219          * The PHY requires 20ms after all voltages are applied until core
 220          * logic is ready and 30ms after the reset pin is de-asserted.
 221          * Set a 100ms delay to account for PMIC ramp time and board traces.
 222          */
 223         regulator-enable-ramp-delay = <100000>;
 224         regulator-min-microvolt = <3300000>;
 225         regulator-max-microvolt = <3300000>;
 226         regulator-name = "vcc-ephy";
 227 };
 228
 229 &reg_fldo1 {
 230         regulator-min-microvolt = <1080000>;
 231         regulator-max-microvolt = <1320000>;
 232         regulator-name = "vdd12-hsic";
 233 };
 234
 235 &reg_fldo2 {
 236         /*
 237          * Despite the embedded CPUs core not being used in any way,
 238          * this must remain on or the system will hang.
 239          */
 240         regulator-always-on;
 241         regulator-min-microvolt = <700000>;
 242         regulator-max-microvolt = <1100000>;
 243         regulator-name = "vdd-cpus";
 244 };
 245
 246 &reg_rtc_ldo {
 247         regulator-name = "vcc-rtc";
 248 };
 249
 250 &reg_sw {
 251         regulator-name = "vcc-wifi";
 252 };
 253
 254 &uart0 {
 255         pinctrl-names = "default";
 256         pinctrl-0 = <&uart0_pb_pins>;
 257         status = "okay";
 258 };
 259
 260 &usbphy {
 261         usb0_vbus-supply = <&reg_usb0_vbus>;
 262         usb1_vbus-supply = <&reg_usb1_vbus>;
 263         status = "okay";
 264 };
 265
 266 &usb_otg {
 267         dr_mode = "host";
 268         status = "okay";
 269 };