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                 pinctrl-names = "default";
  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                 pinctrl-names = "default";
  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_HIGH>; /* PH8 */
 129         cd-inverted;
 130         status = "okay";
 131 };
 132
 133 &mmc1 {
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&mmc1_pins>;
 136         vmmc-supply = <&reg_dldo1>;
 137         vqmmc-supply = <&reg_cldo3>;
 138         mmc-pwrseq = <&wifi_pwrseq>;
 139         bus-width = <4>;
 140         non-removable;
 141         status = "okay";
 142 };
 143
 144 &mmc1_pins {
 145         bias-pull-up;
 146 };
 147
 148 &mmc2 {
 149         pinctrl-names = "default";
 150         pinctrl-0 = <&mmc2_8bit_pins>;
 151         vmmc-supply = <&reg_dcdc1>;
 152         bus-width = <8>;
 153         non-removable;
 154         cap-mmc-hw-reset;
 155         status = "okay";
 156 };
 157
 158 &mmc2_8bit_pins {
 159         /* Increase drive strength for DDR modes */
 160         drive-strength = <40>;
 161 };
 162
 163 &ohci0 {
 164         status = "okay";
 165 };
 166
 167 &ohci2 {
 168         status = "okay";
 169 };
 170
 171 &osc32k {
 172         /* osc32k input is from AC100 */
 173         clocks = <&ac100_rtc 0>;
 174 };
 175
 176 &r_ir {
 177         status = "okay";
 178 };
 179
 180 &r_rsb {
 181         status = "okay";
 182
 183         axp809: pmic@3a3 {
 184                 reg = <0x3a3>;
 185                 interrupt-parent = <&nmi_intc>;
 186                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 187
 188                 regulators {
 189                         reg_aldo1: aldo1 {
 190                                 /*
 191                                  * TODO: This should be handled by the
 192                                  * USB PHY driver.
 193                                  */
 194                                 regulator-always-on;
 195                                 regulator-min-microvolt = <3000000>;
 196                                 regulator-max-microvolt = <3000000>;
 197                                 regulator-name = "vcc33-usbh";
 198                         };
 199
 200                         reg_aldo2: aldo2 {
 201                                 regulator-min-microvolt = <1800000>;
 202                                 regulator-max-microvolt = <1800000>;
 203                                 regulator-name = "vcc-pb-io-cam";
 204                         };
 205
 206                         aldo3 {
 207                                 /* unused */
 208                         };
 209
 210                         reg_dc5ldo: dc5ldo {
 211                                 regulator-always-on;
 212                                 regulator-min-microvolt = <800000>;
 213                                 regulator-max-microvolt = <1100000>;
 214                                 regulator-name = "vdd-cpus-09-usbh";
 215                         };
 216
 217                         reg_dcdc1: dcdc1 {
 218                                 regulator-always-on;
 219                                 regulator-min-microvolt = <3000000>;
 220                                 regulator-max-microvolt = <3000000>;
 221                                 regulator-name = "vcc-3v";
 222                         };
 223
 224                         reg_dcdc2: dcdc2 {
 225                                 regulator-min-microvolt = <800000>;
 226                                 regulator-max-microvolt = <1100000>;
 227                                 regulator-name = "vdd-gpu";
 228                         };
 229
 230                         reg_dcdc3: dcdc3 {
 231                                 regulator-always-on;
 232                                 regulator-min-microvolt = <800000>;
 233                                 regulator-max-microvolt = <1100000>;
 234                                 regulator-name = "vdd-cpua";
 235                         };
 236
 237                         reg_dcdc4: dcdc4 {
 238                                 regulator-always-on;
 239                                 regulator-min-microvolt = <800000>;
 240                                 regulator-max-microvolt = <1100000>;
 241                                 regulator-name = "vdd-sys-usb0-hdmi";
 242                         };
 243
 244                         reg_dcdc5: dcdc5 {
 245                                 regulator-always-on;
 246                                 regulator-min-microvolt = <1425000>;
 247                                 regulator-max-microvolt = <1575000>;
 248                                 regulator-name = "vcc-dram";
 249                         };
 250
 251                         reg_dldo1: dldo1 {
 252                                 /*
 253                                  * The WiFi chip supports a wide range
 254                                  * (3.0 ~ 4.8V) of voltages, and so does
 255                                  * this regulator (3.0 ~ 4.2V), but
 256                                  * Allwinner SDK always sets it to 3.3V.
 257                                  */
 258                                 regulator-min-microvolt = <3300000>;
 259                                 regulator-max-microvolt = <3300000>;
 260                                 regulator-name = "vcc-wifi";
 261                         };
 262
 263                         reg_dldo2: dldo2 {
 264                                 regulator-always-on;
 265                                 regulator-min-microvolt = <3000000>;
 266                                 regulator-max-microvolt = <3000000>;
 267                                 regulator-name = "vcc-pl";
 268                         };
 269
 270                         reg_eldo1: eldo1 {
 271                                 regulator-min-microvolt = <1200000>;
 272                                 regulator-max-microvolt = <1200000>;
 273                                 regulator-name = "vcc-dvdd-cam";
 274                         };
 275
 276                         reg_eldo2: eldo2 {
 277                                 regulator-min-microvolt = <1800000>;
 278                                 regulator-max-microvolt = <1800000>;
 279                                 regulator-name = "vcc-pe";
 280                         };
 281
 282                         reg_eldo3: eldo3 {
 283                                 regulator-always-on;
 284                                 regulator-min-microvolt = <3000000>;
 285                                 regulator-max-microvolt = <3000000>;
 286                                 regulator-name = "vcc-pm-codec-io1";
 287                         };
 288
 289                         reg_ldo_io0: ldo_io0 {
 290                                 regulator-always-on;
 291                                 regulator-min-microvolt = <3000000>;
 292                                 regulator-max-microvolt = <3000000>;
 293                                 regulator-name = "vcc-pg";
 294                         };
 295
 296                         reg_ldo_io1: ldo_io1 {
 297                                 regulator-min-microvolt = <2500000>;
 298                                 regulator-max-microvolt = <2500000>;
 299                                 regulator-name = "vcc-pa-gmac-2v5";
 300                         };
 301
 302                         reg_rtc_ldo: rtc_ldo {
 303                                 regulator-name = "vcc-rtc-vdd1v8-io";
 304                         };
 305
 306                         sw {
 307                                 /* unused */
 308                         };
 309                 };
 310         };
 311
 312         axp806: pmic@745 {
 313                 compatible = "x-powers,axp806";
 314                 reg = <0x745>;
 315                 interrupt-parent = <&nmi_intc>;
 316                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 317                 interrupt-controller;
 318                 #interrupt-cells = <1>;
 319                 bldoin-supply = <&reg_dcdce>;
 320
 321                 regulators {
 322                         reg_s_aldo1: aldo1 {
 323                                 regulator-always-on;
 324                                 regulator-min-microvolt = <3000000>;
 325                                 regulator-max-microvolt = <3000000>;
 326                                 regulator-name = "avcc";
 327                         };
 328
 329                         aldo2 {
 330                                 /*
 331                                  * unused, but use a different name to
 332                                  * avoid name clash with axp809's aldo's
 333                                  */
 334                                 regulator-name = "s_aldo2";
 335                         };
 336
 337                         aldo3 {
 338                                 /*
 339                                  * unused, but use a different name to
 340                                  * avoid name clash with axp809's aldo's
 341                                  */
 342                                 regulator-name = "s_aldo3";
 343                         };
 344
 345                         reg_bldo1: bldo1 {
 346                                 regulator-always-on;
 347                                 regulator-min-microvolt = <1700000>;
 348                                 regulator-max-microvolt = <1900000>;
 349                                 regulator-name = "vcc18-efuse-adc-display-csi";
 350                         };
 351
 352                         reg_bldo2: bldo2 {
 353                                 regulator-always-on;
 354                                 regulator-min-microvolt = <1700000>;
 355                                 regulator-max-microvolt = <1900000>;
 356                                 regulator-name =
 357                                         "vdd18-drampll-vcc18-pll-cpvdd";
 358                         };
 359
 360                         bldo3 {
 361                                 /* unused */
 362                         };
 363
 364                         reg_bldo4: bldo4 {
 365                                 regulator-min-microvolt = <1100000>;
 366                                 regulator-max-microvolt = <1300000>;
 367                                 regulator-name = "vcc12-hsic";
 368                         };
 369
 370                         reg_cldo1: cldo1 {
 371                                 /*
 372                                  * This was 3V in the original design, but
 373                                  * 3.3V is the recommended supply voltage
 374                                  * for the Ethernet PHY.
 375                                  */
 376                                 regulator-min-microvolt = <3300000>;
 377                                 regulator-max-microvolt = <3300000>;
 378                                 regulator-name = "vcc-gmac-phy";
 379                         };
 380
 381                         reg_cldo2: cldo2 {
 382                                 regulator-min-microvolt = <2800000>;
 383                                 regulator-max-microvolt = <2800000>;
 384                                 regulator-name = "afvcc-cam";
 385                         };
 386
 387                         reg_cldo3: cldo3 {
 388                                 regulator-min-microvolt = <3000000>;
 389                                 regulator-max-microvolt = <3000000>;
 390                                 regulator-name = "vcc-io-wifi-codec-io2";
 391                         };
 392
 393                         reg_dcdca: dcdca {
 394                                 regulator-always-on;
 395                                 regulator-min-microvolt = <800000>;
 396                                 regulator-max-microvolt = <1100000>;
 397                                 regulator-name = "vdd-cpub";
 398                         };
 399
 400                         reg_dcdcd: dcdcd {
 401                                 regulator-always-on;
 402                                 regulator-min-microvolt = <800000>;
 403                                 regulator-max-microvolt = <1100000>;
 404                                 regulator-name = "vdd-vpu";
 405                         };
 406
 407                         reg_dcdce: dcdce {
 408                                 regulator-always-on;
 409                                 regulator-min-microvolt = <2100000>;
 410                                 regulator-max-microvolt = <2100000>;
 411                                 regulator-name = "vcc-bldo-codec-ldoin";
 412                         };
 413
 414                         sw {
 415                                 /*
 416                                  * unused, but use a different name to
 417                                  * avoid name clash with axp809's sw
 418                                  */
 419                                 regulator-name = "s_sw";
 420                         };
 421                 };
 422         };
 423
 424         ac100: codec@e89 {
 425                 compatible = "x-powers,ac100";
 426                 reg = <0xe89>;
 427
 428                 ac100_codec: codec {
 429                         compatible = "x-powers,ac100-codec";
 430                         interrupt-parent = <&r_pio>;
 431                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 432                         #clock-cells = <0>;
 433                         clock-output-names = "4M_adda";
 434                 };
 435
 436                 ac100_rtc: rtc {
 437                         compatible = "x-powers,ac100-rtc";
 438                         interrupt-parent = <&nmi_intc>;
 439                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 440                         clocks = <&ac100_codec>;
 441                         #clock-cells = <1>;
 442                         clock-output-names = "cko1_rtc",
 443                                              "cko2_rtc",
 444                                              "cko3_rtc";
 445                 };
 446         };
 447 };
 448
 449 #include "axp809.dtsi"
 450
 451 &uart0 {
 452         pinctrl-names = "default";
 453         pinctrl-0 = <&uart0_ph_pins>;
 454         status = "okay";
 455 };
 456
 457 &usbphy1 {
 458         phy-supply = <&reg_usb1_vbus>;
 459         status = "okay";
 460 };
 461
 462 &usbphy2 {
 463         phy-supply = <&reg_bldo4>;
 464         /* Enable if HSIC peripheral is connected */
 465         status = "disabled";
 466 };
 467
 468 &usbphy3 {
 469         phy-supply = <&reg_usb3_vbus>;
 470         status = "okay";
 471 };