arch/arm/boot/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
  50 / {
  51         model = "Merrii A80 Optimus Board";
  52         compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
  53
  54         aliases {
  55                 serial0 = &uart0;
  56                 serial1 = &uart4;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62
  63         leds {
  64                 compatible = "gpio-leds";
  65
  66                 /* The LED names match those found on the board */
  67                 led2 {
  68                         label = "optimus:led2:usr";
  69                         gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
  70                 };
  71
  72                 led3 {
  73                         label = "optimus:led3:usr";
  74                         gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
  75                 };
  76
  77                 led4 {
  78                         label = "optimus:led4:usr";
  79                         gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
  80                 };
  81         };
  82
  83         reg_usb1_vbus: usb1-vbus {
  84                 compatible = "regulator-fixed";
  85                 regulator-name = "usb1-vbus";
  86                 regulator-min-microvolt = <5000000>;
  87                 regulator-max-microvolt = <5000000>;
  88                 enable-active-high;
  89                 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
  90         };
  91
  92         reg_usb3_vbus: usb3-vbus {
  93                 compatible = "regulator-fixed";
  94                 regulator-name = "usb3-vbus";
  95                 regulator-min-microvolt = <5000000>;
  96                 regulator-max-microvolt = <5000000>;
  97                 enable-active-high;
  98                 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
  99         };
 100
 101         wifi_pwrseq: wifi-pwrseq {
 102                 compatible = "mmc-pwrseq-simple";
 103                 clocks = <&ac100_rtc 1>;
 104                 clock-names = "ext_clock";
 105                 /* enables internal regulator and de-asserts reset */
 106                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 107         };
 108 };
 109
 110 &ehci0 {
 111         status = "okay";
 112 };
 113
 114 &ehci1 {
 115         /* Enable if HSIC peripheral is connected */
 116         status = "disabled";
 117 };
 118
 119 &ehci2 {
 120         status = "okay";
 121 };
 122
 123 &mmc0 {
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&mmc0_pins>;
 126         vmmc-supply = <&reg_dcdc1>;
 127         bus-width = <4>;
 128         cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */
 129         status = "okay";
 130 };
 131
 132 &mmc1 {
 133         pinctrl-names = "default";
 134         pinctrl-0 = <&mmc1_pins>;
 135         vmmc-supply = <&reg_dldo1>;
 136         vqmmc-supply = <&reg_cldo3>;
 137         mmc-pwrseq = <&wifi_pwrseq>;
 138         bus-width = <4>;
 139         non-removable;
 140         status = "okay";
 141 };
 142
 143 &mmc1_pins {
 144         bias-pull-up;
 145 };
 146
 147 &mmc2 {
 148         pinctrl-names = "default";
 149         pinctrl-0 = <&mmc2_8bit_pins>;
 150         vmmc-supply = <&reg_dcdc1>;
 151         bus-width = <8>;
 152         non-removable;
 153         cap-mmc-hw-reset;
 154         status = "okay";
 155 };
 156
 157 &mmc2_8bit_pins {
 158         /* Increase drive strength for DDR modes */
 159         drive-strength = <40>;
 160 };
 161
 162 &ohci0 {
 163         status = "okay";
 164 };
 165
 166 &ohci2 {
 167         status = "okay";
 168 };
 169
 170 &osc32k {
 171         /* osc32k input is from AC100 */
 172         clocks = <&ac100_rtc 0>;
 173 };
 174
 175 &r_ir {
 176         status = "okay";
 177 };
 178
 179 &r_rsb {
 180         status = "okay";
 181
 182         axp809: pmic@3a3 {
 183                 reg = <0x3a3>;
 184                 interrupt-parent = <&nmi_intc>;
 185                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 186
 187                 regulators {
 188                         reg_aldo1: aldo1 {
 189                                 /*
 190                                  * TODO: This should be handled by the
 191                                  * USB PHY driver.
 192                                  */
 193                                 regulator-always-on;
 194                                 regulator-min-microvolt = <3000000>;
 195                                 regulator-max-microvolt = <3000000>;
 196                                 regulator-name = "vcc33-usbh";
 197                         };
 198
 199                         reg_aldo2: aldo2 {
 200                                 regulator-min-microvolt = <1800000>;
 201                                 regulator-max-microvolt = <1800000>;
 202                                 regulator-name = "vcc-pb-io-cam";
 203                         };
 204
 205                         aldo3 {
 206                                 /* unused */
 207                         };
 208
 209                         reg_dc5ldo: dc5ldo {
 210                                 regulator-always-on;
 211                                 regulator-min-microvolt = <800000>;
 212                                 regulator-max-microvolt = <1100000>;
 213                                 regulator-name = "vdd-cpus-09-usbh";
 214                         };
 215
 216                         reg_dcdc1: dcdc1 {
 217                                 regulator-always-on;
 218                                 regulator-min-microvolt = <3000000>;
 219                                 regulator-max-microvolt = <3000000>;
 220                                 regulator-name = "vcc-3v";
 221                         };
 222
 223                         reg_dcdc2: dcdc2 {
 224                                 regulator-min-microvolt = <800000>;
 225                                 regulator-max-microvolt = <1100000>;
 226                                 regulator-name = "vdd-gpu";
 227                         };
 228
 229                         reg_dcdc3: dcdc3 {
 230                                 regulator-always-on;
 231                                 regulator-min-microvolt = <800000>;
 232                                 regulator-max-microvolt = <1100000>;
 233                                 regulator-name = "vdd-cpua";
 234                         };
 235
 236                         reg_dcdc4: dcdc4 {
 237                                 regulator-always-on;
 238                                 regulator-min-microvolt = <800000>;
 239                                 regulator-max-microvolt = <1100000>;
 240                                 regulator-name = "vdd-sys-usb0-hdmi";
 241                         };
 242
 243                         reg_dcdc5: dcdc5 {
 244                                 regulator-always-on;
 245                                 regulator-min-microvolt = <1425000>;
 246                                 regulator-max-microvolt = <1575000>;
 247                                 regulator-name = "vcc-dram";
 248                         };
 249
 250                         reg_dldo1: dldo1 {
 251                                 /*
 252                                  * The WiFi chip supports a wide range
 253                                  * (3.0 ~ 4.8V) of voltages, and so does
 254                                  * this regulator (3.0 ~ 4.2V), but
 255                                  * Allwinner SDK always sets it to 3.3V.
 256                                  */
 257                                 regulator-min-microvolt = <3300000>;
 258                                 regulator-max-microvolt = <3300000>;
 259                                 regulator-name = "vcc-wifi";
 260                         };
 261
 262                         reg_dldo2: dldo2 {
 263                                 regulator-always-on;
 264                                 regulator-min-microvolt = <3000000>;
 265                                 regulator-max-microvolt = <3000000>;
 266                                 regulator-name = "vcc-pl";
 267                         };
 268
 269                         reg_eldo1: eldo1 {
 270                                 regulator-min-microvolt = <1200000>;
 271                                 regulator-max-microvolt = <1200000>;
 272                                 regulator-name = "vcc-dvdd-cam";
 273                         };
 274
 275                         reg_eldo2: eldo2 {
 276                                 regulator-min-microvolt = <1800000>;
 277                                 regulator-max-microvolt = <1800000>;
 278                                 regulator-name = "vcc-pe";
 279                         };
 280
 281                         reg_eldo3: eldo3 {
 282                                 regulator-always-on;
 283                                 regulator-min-microvolt = <3000000>;
 284                                 regulator-max-microvolt = <3000000>;
 285                                 regulator-name = "vcc-pm-codec-io1";
 286                         };
 287
 288                         reg_ldo_io0: ldo_io0 {
 289                                 regulator-always-on;
 290                                 regulator-min-microvolt = <3000000>;
 291                                 regulator-max-microvolt = <3000000>;
 292                                 regulator-name = "vcc-pg";
 293                         };
 294
 295                         reg_ldo_io1: ldo_io1 {
 296                                 regulator-min-microvolt = <2500000>;
 297                                 regulator-max-microvolt = <2500000>;
 298                                 regulator-name = "vcc-pa-gmac-2v5";
 299                         };
 300
 301                         reg_rtc_ldo: rtc_ldo {
 302                                 regulator-name = "vcc-rtc-vdd1v8-io";
 303                         };
 304
 305                         sw {
 306                                 /* unused */
 307                         };
 308                 };
 309         };
 310
 311         axp806: pmic@745 {
 312                 compatible = "x-powers,axp806";
 313                 reg = <0x745>;
 314                 interrupt-parent = <&nmi_intc>;
 315                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 316                 interrupt-controller;
 317                 #interrupt-cells = <1>;
 318                 bldoin-supply = <&reg_dcdce>;
 319
 320                 regulators {
 321                         reg_s_aldo1: aldo1 {
 322                                 regulator-always-on;
 323                                 regulator-min-microvolt = <3000000>;
 324                                 regulator-max-microvolt = <3000000>;
 325                                 regulator-name = "avcc";
 326                         };
 327
 328                         aldo2 {
 329                                 /*
 330                                  * unused, but use a different name to
 331                                  * avoid name clash with axp809's aldo's
 332                                  */
 333                                 regulator-name = "s_aldo2";
 334                         };
 335
 336                         aldo3 {
 337                                 /*
 338                                  * unused, but use a different name to
 339                                  * avoid name clash with axp809's aldo's
 340                                  */
 341                                 regulator-name = "s_aldo3";
 342                         };
 343
 344                         reg_bldo1: bldo1 {
 345                                 regulator-always-on;
 346                                 regulator-min-microvolt = <1700000>;
 347                                 regulator-max-microvolt = <1900000>;
 348                                 regulator-name = "vcc18-efuse-adc-display-csi";
 349                         };
 350
 351                         reg_bldo2: bldo2 {
 352                                 regulator-always-on;
 353                                 regulator-min-microvolt = <1700000>;
 354                                 regulator-max-microvolt = <1900000>;
 355                                 regulator-name =
 356                                         "vdd18-drampll-vcc18-pll-cpvdd";
 357                         };
 358
 359                         bldo3 {
 360                                 /* unused */
 361                         };
 362
 363                         reg_bldo4: bldo4 {
 364                                 regulator-min-microvolt = <1100000>;
 365                                 regulator-max-microvolt = <1300000>;
 366                                 regulator-name = "vcc12-hsic";
 367                         };
 368
 369                         reg_cldo1: cldo1 {
 370                                 /*
 371                                  * This was 3V in the original design, but
 372                                  * 3.3V is the recommended supply voltage
 373                                  * for the Ethernet PHY.
 374                                  */
 375                                 regulator-min-microvolt = <3300000>;
 376                                 regulator-max-microvolt = <3300000>;
 377                                 regulator-name = "vcc-gmac-phy";
 378                         };
 379
 380                         reg_cldo2: cldo2 {
 381                                 regulator-min-microvolt = <2800000>;
 382                                 regulator-max-microvolt = <2800000>;
 383                                 regulator-name = "afvcc-cam";
 384                         };
 385
 386                         reg_cldo3: cldo3 {
 387                                 regulator-min-microvolt = <3000000>;
 388                                 regulator-max-microvolt = <3000000>;
 389                                 regulator-name = "vcc-io-wifi-codec-io2";
 390                         };
 391
 392                         reg_dcdca: dcdca {
 393                                 regulator-always-on;
 394                                 regulator-min-microvolt = <800000>;
 395                                 regulator-max-microvolt = <1100000>;
 396                                 regulator-name = "vdd-cpub";
 397                         };
 398
 399                         reg_dcdcd: dcdcd {
 400                                 regulator-always-on;
 401                                 regulator-min-microvolt = <800000>;
 402                                 regulator-max-microvolt = <1100000>;
 403                                 regulator-name = "vdd-vpu";
 404                         };
 405
 406                         reg_dcdce: dcdce {
 407                                 regulator-always-on;
 408                                 regulator-min-microvolt = <2100000>;
 409                                 regulator-max-microvolt = <2100000>;
 410                                 regulator-name = "vcc-bldo-codec-ldoin";
 411                         };
 412
 413                         sw {
 414                                 /*
 415                                  * unused, but use a different name to
 416                                  * avoid name clash with axp809's sw
 417                                  */
 418                                 regulator-name = "s_sw";
 419                         };
 420                 };
 421         };
 422
 423         ac100: codec@e89 {
 424                 compatible = "x-powers,ac100";
 425                 reg = <0xe89>;
 426
 427                 ac100_codec: codec {
 428                         compatible = "x-powers,ac100-codec";
 429                         interrupt-parent = <&r_pio>;
 430                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 431                         #clock-cells = <0>;
 432                         clock-output-names = "4M_adda";
 433                 };
 434
 435                 ac100_rtc: rtc {
 436                         compatible = "x-powers,ac100-rtc";
 437                         interrupt-parent = <&nmi_intc>;
 438                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 439                         clocks = <&ac100_codec>;
 440                         #clock-cells = <1>;
 441                         clock-output-names = "cko1_rtc",
 442                                              "cko2_rtc",
 443                                              "cko3_rtc";
 444                 };
 445         };
 446 };
 447
 448 #include "axp809.dtsi"
 449
 450 &uart0 {
 451         pinctrl-names = "default";
 452         pinctrl-0 = <&uart0_ph_pins>;
 453         status = "okay";
 454 };
 455
 456 &usbphy1 {
 457         phy-supply = <&reg_usb1_vbus>;
 458         status = "okay";
 459 };
 460
 461 &usbphy2 {
 462         phy-supply = <&reg_bldo4>;
 463         /* Enable if HSIC peripheral is connected */
 464         status = "disabled";
 465 };
 466
 467 &usbphy3 {
 468         phy-supply = <&reg_usb3_vbus>;
 469         status = "okay";
 470 };