arch/arm/dts/sun9i-a80-optimus.dts

   1 /*
   2  * Copyright 2014 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 "sun9i-a80.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50
  51 / {
  52         model = "Merrii A80 Optimus Board";
  53         compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
  54
  55         aliases {
  56                 serial0 = &uart0;
  57                 serial1 = &uart4;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63
  64         leds {
  65                 compatible = "gpio-leds";
  66                 pinctrl-names = "default";
  67                 pinctrl-0 = <&led_pins_optimus>, <&led_r_pins_optimus>;
  68
  69                 /* The LED names match those found on the board */
  70
  71                 led2 {
  72                         label = "optimus:led2:usr";
  73                         gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
  74                 };
  75
  76                 led3 {
  77                         label = "optimus:led3:usr";
  78                         gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
  79                 };
  80
  81                 led4 {
  82                         label = "optimus:led4:usr";
  83                         gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
  84                 };
  85         };
  86
  87         reg_usb1_vbus: usb1-vbus {
  88                 compatible = "regulator-fixed";
  89                 pinctrl-names = "default";
  90                 pinctrl-0 = <&usb1_vbus_pin_optimus>;
  91                 regulator-name = "usb1-vbus";
  92                 regulator-min-microvolt = <5000000>;
  93                 regulator-max-microvolt = <5000000>;
  94                 enable-active-high;
  95                 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
  96         };
  97
  98         reg_usb3_vbus: usb3-vbus {
  99                 compatible = "regulator-fixed";
 100                 pinctrl-names = "default";
 101                 pinctrl-0 = <&usb3_vbus_pin_optimus>;
 102                 regulator-name = "usb3-vbus";
 103                 regulator-min-microvolt = <5000000>;
 104                 regulator-max-microvolt = <5000000>;
 105                 enable-active-high;
 106                 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 107         };
 108 };
 109
 110 &ehci0 {
 111         status = "okay";
 112 };
 113
 114 &ehci1 {
 115         status = "okay";
 116 };
 117
 118 &ehci2 {
 119         status = "okay";
 120 };
 121
 122 &mmc0 {
 123         pinctrl-names = "default";
 124         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
 125         vmmc-supply = <&reg_dcdc1>;
 126         bus-width = <4>;
 127         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
 128         cd-inverted;
 129         status = "okay";
 130 };
 131
 132 &mmc2 {
 133         pinctrl-names = "default";
 134         pinctrl-0 = <&mmc2_8bit_pins>;
 135         vmmc-supply = <&reg_dcdc1>;
 136         bus-width = <8>;
 137         non-removable;
 138         cap-mmc-hw-reset;
 139         status = "okay";
 140 };
 141
 142 &mmc2_8bit_pins {
 143         /* Increase drive strength for DDR modes */
 144         allwinner,drive = <SUN4I_PINCTRL_40_MA>;
 145 };
 146
 147 &ohci0 {
 148         status = "okay";
 149 };
 150
 151 &ohci2 {
 152         status = "okay";
 153 };
 154
 155 &pio {
 156         led_pins_optimus: led-pins@0 {
 157                 allwinner,pins = "PH0", "PH1";
 158                 allwinner,function = "gpio_out";
 159                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 160                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 161         };
 162
 163         mmc0_cd_pin_optimus: mmc0_cd_pin@0 {
 164                 allwinner,pins = "PH18";
 165                 allwinner,function = "gpio_in";
 166                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 167                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 168         };
 169
 170         usb1_vbus_pin_optimus: usb1_vbus_pin@1 {
 171                 allwinner,pins = "PH4";
 172                 allwinner,function = "gpio_out";
 173                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 174                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 175         };
 176
 177         usb3_vbus_pin_optimus: usb3_vbus_pin@1 {
 178                 allwinner,pins = "PH5";
 179                 allwinner,function = "gpio_out";
 180                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 181                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 182         };
 183 };
 184
 185 &r_ir {
 186         status = "okay";
 187 };
 188
 189 &r_pio {
 190         led_r_pins_optimus: led-pins@1 {
 191                 allwinner,pins = "PM15";
 192                 allwinner,function = "gpio_out";
 193                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 194                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 195         };
 196 };
 197
 198 &r_rsb {
 199         status = "okay";
 200
 201         axp809: pmic@3a3 {
 202                 reg = <0x3a3>;
 203                 interrupt-parent = <&nmi_intc>;
 204                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 205
 206                 regulators {
 207                         reg_aldo1: aldo1 {
 208                                 /*
 209                                  * TODO: This should be handled by the
 210                                  * USB PHY driver.
 211                                  */
 212                                 regulator-always-on;
 213                                 regulator-min-microvolt = <3000000>;
 214                                 regulator-max-microvolt = <3000000>;
 215                                 regulator-name = "vcc33-usbh";
 216                         };
 217
 218                         reg_aldo2: aldo2 {
 219                                 regulator-min-microvolt = <1800000>;
 220                                 regulator-max-microvolt = <1800000>;
 221                                 regulator-name = "vcc-pb-io-cam";
 222                         };
 223
 224                         aldo3 {
 225                                 /* unused */
 226                         };
 227
 228                         reg_dc5ldo: dc5ldo {
 229                                 regulator-always-on;
 230                                 regulator-min-microvolt = <800000>;
 231                                 regulator-max-microvolt = <1100000>;
 232                                 regulator-name = "vdd-cpus-09-usbh";
 233                         };
 234
 235                         reg_dcdc1: dcdc1 {
 236                                 regulator-always-on;
 237                                 regulator-min-microvolt = <3000000>;
 238                                 regulator-max-microvolt = <3000000>;
 239                                 regulator-name = "vcc-3v";
 240                         };
 241
 242                         reg_dcdc2: dcdc2 {
 243                                 regulator-min-microvolt = <800000>;
 244                                 regulator-max-microvolt = <1100000>;
 245                                 regulator-name = "vdd-gpu";
 246                         };
 247
 248                         reg_dcdc3: dcdc3 {
 249                                 regulator-always-on;
 250                                 regulator-min-microvolt = <800000>;
 251                                 regulator-max-microvolt = <1100000>;
 252                                 regulator-name = "vdd-cpua";
 253                         };
 254
 255                         reg_dcdc4: dcdc4 {
 256                                 regulator-always-on;
 257                                 regulator-min-microvolt = <800000>;
 258                                 regulator-max-microvolt = <1100000>;
 259                                 regulator-name = "vdd-sys-usb0-hdmi";
 260                         };
 261
 262                         reg_dcdc5: dcdc5 {
 263                                 regulator-always-on;
 264                                 regulator-min-microvolt = <1425000>;
 265                                 regulator-max-microvolt = <1575000>;
 266                                 regulator-name = "vcc-dram";
 267                         };
 268
 269                         reg_dldo1: dldo1 {
 270                                 /*
 271                                  * The WiFi chip supports a wide range
 272                                  * (3.0 ~ 4.8V) of voltages, and so does
 273                                  * this regulator (3.0 ~ 4.2V), but
 274                                  * Allwinner SDK always sets it to 3.3V.
 275                                  */
 276                                 regulator-min-microvolt = <3300000>;
 277                                 regulator-max-microvolt = <3300000>;
 278                                 regulator-name = "vcc-wifi";
 279                         };
 280
 281                         reg_dldo2: dldo2 {
 282                                 regulator-always-on;
 283                                 regulator-min-microvolt = <3000000>;
 284                                 regulator-max-microvolt = <3000000>;
 285                                 regulator-name = "vcc-pl";
 286                         };
 287
 288                         reg_eldo1: eldo1 {
 289                                 regulator-min-microvolt = <1200000>;
 290                                 regulator-max-microvolt = <1200000>;
 291                                 regulator-name = "vcc-dvdd-cam";
 292                         };
 293
 294                         reg_eldo2: eldo2 {
 295                                 regulator-min-microvolt = <1800000>;
 296                                 regulator-max-microvolt = <1800000>;
 297                                 regulator-name = "vcc-pe";
 298                         };
 299
 300                         reg_eldo3: eldo3 {
 301                                 regulator-always-on;
 302                                 regulator-min-microvolt = <3000000>;
 303                                 regulator-max-microvolt = <3000000>;
 304                                 regulator-name = "vcc-pm-codec-io1";
 305                         };
 306
 307                         reg_ldo_io0: ldo_io0 {
 308                                 regulator-always-on;
 309                                 regulator-min-microvolt = <3000000>;
 310                                 regulator-max-microvolt = <3000000>;
 311                                 regulator-name = "vcc-pg";
 312                         };
 313
 314                         reg_ldo_io1: ldo_io1 {
 315                                 regulator-min-microvolt = <2500000>;
 316                                 regulator-max-microvolt = <2500000>;
 317                                 regulator-name = "vcc-pa-gmac-2v5";
 318                         };
 319
 320                         reg_rtc_ldo: rtc_ldo {
 321                                 regulator-name = "vcc-rtc-vdd1v8-io";
 322                         };
 323                 };
 324         };
 325 };
 326
 327 #include "axp809.dtsi"
 328
 329 &uart0 {
 330         pinctrl-names = "default";
 331         pinctrl-0 = <&uart0_pins_a>;
 332         status = "okay";
 333 };
 334
 335 &usbphy1 {
 336         phy-supply = <&reg_usb1_vbus>;
 337         status = "okay";
 338 };
 339
 340 &usbphy2 {
 341         status = "okay";
 342 };
 343
 344 &usbphy3 {
 345         phy-supply = <&reg_usb3_vbus>;
 346         status = "okay";
 347 };