arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts

   1 /*
   2  * Copyright (c) 2016 ARM Ltd.
   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 library 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 library 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
  45 #include "sun50i-a64.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48
  49 / {
  50         model = "Pine64";
  51         compatible = "pine64,pine64", "allwinner,sun50i-a64";
  52
  53         aliases {
  54                 ethernet0 = &emac;
  55                 serial0 = &uart0;
  56                 serial1 = &uart1;
  57                 serial2 = &uart2;
  58                 serial3 = &uart3;
  59                 serial4 = &uart4;
  60         };
  61
  62         chosen {
  63                 stdout-path = "serial0:115200n8";
  64         };
  65 };
  66
  67 &ehci0 {
  68         status = "okay";
  69 };
  70
  71 &ehci1 {
  72         status = "okay";
  73 };
  74
  75 &emac {
  76         pinctrl-names = "default";
  77         pinctrl-0 = <&rmii_pins>;
  78         phy-mode = "rmii";
  79         phy-handle = <&ext_rmii_phy1>;
  80         status = "okay";
  81
  82 };
  83
  84 &i2c1 {
  85         pinctrl-names = "default";
  86         pinctrl-0 = <&i2c1_pins>;
  87         status = "okay";
  88 };
  89
  90 &i2c1_pins {
  91         bias-pull-up;
  92 };
  93
  94 &mdio {
  95         ext_rmii_phy1: ethernet-phy@1 {
  96                 compatible = "ethernet-phy-ieee802.3-c22";
  97                 reg = <1>;
  98         };
  99 };
 100
 101 &mmc0 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&mmc0_pins>;
 104         vmmc-supply = <&reg_dcdc1>;
 105         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
 106         cd-inverted;
 107         disable-wp;
 108         bus-width = <4>;
 109         status = "okay";
 110 };
 111
 112 &ohci0 {
 113         status = "okay";
 114 };
 115
 116 &ohci1 {
 117         status = "okay";
 118 };
 119
 120 &r_rsb {
 121         status = "okay";
 122
 123         axp803: pmic@3a3 {
 124                 compatible = "x-powers,axp803";
 125                 reg = <0x3a3>;
 126                 interrupt-parent = <&r_intc>;
 127                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 128         };
 129 };
 130
 131 #include "axp803.dtsi"
 132
 133 &reg_aldo2 {
 134         regulator-always-on;
 135         regulator-min-microvolt = <1800000>;
 136         regulator-max-microvolt = <3300000>;
 137         regulator-name = "vcc-pl";
 138 };
 139
 140 &reg_aldo3 {
 141         regulator-always-on;
 142         regulator-min-microvolt = <3000000>;
 143         regulator-max-microvolt = <3000000>;
 144         regulator-name = "vcc-pll-avcc";
 145 };
 146
 147 &reg_dc1sw {
 148         regulator-name = "vcc-phy";
 149 };
 150
 151 &reg_dcdc1 {
 152         regulator-always-on;
 153         regulator-min-microvolt = <3300000>;
 154         regulator-max-microvolt = <3300000>;
 155         regulator-name = "vcc-3v3";
 156 };
 157
 158 &reg_dcdc2 {
 159         regulator-always-on;
 160         regulator-min-microvolt = <1040000>;
 161         regulator-max-microvolt = <1300000>;
 162         regulator-name = "vdd-cpux";
 163 };
 164
 165 /* DCDC3 is polyphased with DCDC2 */
 166
 167 /*
 168  * The DRAM chips used by Pine64 boards are DDR3L-compatible, so they can
 169  * work at 1.35V with less power consumption.
 170  * As AXP803 DCDC5 cannot reach 1.35V accurately, use 1.36V instead.
 171  */
 172 &reg_dcdc5 {
 173         regulator-always-on;
 174         regulator-min-microvolt = <1360000>;
 175         regulator-max-microvolt = <1360000>;
 176         regulator-name = "vcc-dram";
 177 };
 178
 179 &reg_dcdc6 {
 180         regulator-always-on;
 181         regulator-min-microvolt = <1100000>;
 182         regulator-max-microvolt = <1100000>;
 183         regulator-name = "vdd-sys";
 184 };
 185
 186 &reg_dldo1 {
 187         regulator-min-microvolt = <3300000>;
 188         regulator-max-microvolt = <3300000>;
 189         regulator-name = "vcc-hdmi";
 190 };
 191
 192 &reg_dldo2 {
 193         regulator-min-microvolt = <3300000>;
 194         regulator-max-microvolt = <3300000>;
 195         regulator-name = "vcc-mipi";
 196 };
 197
 198 &reg_dldo4 {
 199         regulator-min-microvolt = <3300000>;
 200         regulator-max-microvolt = <3300000>;
 201         regulator-name = "vcc-wifi";
 202 };
 203
 204 &reg_eldo1 {
 205         regulator-min-microvolt = <1800000>;
 206         regulator-max-microvolt = <1800000>;
 207         regulator-name = "cpvdd";
 208 };
 209
 210 &reg_fldo1 {
 211         regulator-min-microvolt = <1200000>;
 212         regulator-max-microvolt = <1200000>;
 213         regulator-name = "vcc-1v2-hsic";
 214 };
 215
 216 /*
 217  * The A64 chip cannot work without this regulator off, although
 218  * it seems to be only driving the AR100 core.
 219  * Maybe we don't still know well about CPUs domain.
 220  */
 221 &reg_fldo2 {
 222         regulator-always-on;
 223         regulator-min-microvolt = <1100000>;
 224         regulator-max-microvolt = <1100000>;
 225         regulator-name = "vdd-cpus";
 226 };
 227
 228 &reg_rtc_ldo {
 229         regulator-name = "vcc-rtc";
 230 };
 231
 232 /* On Exp and Euler connectors */
 233 &uart0 {
 234         pinctrl-names = "default";
 235         pinctrl-0 = <&uart0_pins_a>;
 236         status = "okay";
 237 };
 238
 239 /* On Wifi/BT connector, with RTS/CTS */
 240 &uart1 {
 241         pinctrl-names = "default";
 242         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 243         status = "disabled";
 244 };
 245
 246 /* On Pi-2 connector */
 247 &uart2 {
 248         pinctrl-names = "default";
 249         pinctrl-0 = <&uart2_pins>;
 250         status = "disabled";
 251 };
 252
 253 /* On Euler connector */
 254 &uart3 {
 255         pinctrl-names = "default";
 256         pinctrl-0 = <&uart3_pins>;
 257         status = "disabled";
 258 };
 259
 260 /* On Euler connector, RTS/CTS optional */
 261 &uart4 {
 262         pinctrl-names = "default";
 263         pinctrl-0 = <&uart4_pins>;
 264         status = "disabled";
 265 };
 266
 267 &usb_otg {
 268         dr_mode = "host";
 269         status = "okay";
 270 };
 271
 272 &usbphy {
 273         status = "okay";
 274 };