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_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                         dc1sw {
 217                                 /* unused */
 218                         };
 219
 220                         reg_dcdc1: dcdc1 {
 221                                 regulator-always-on;
 222                                 regulator-min-microvolt = <3000000>;
 223                                 regulator-max-microvolt = <3000000>;
 224                                 regulator-name = "vcc-3v";
 225                         };
 226
 227                         reg_dcdc2: dcdc2 {
 228                                 regulator-min-microvolt = <800000>;
 229                                 regulator-max-microvolt = <1100000>;
 230                                 regulator-name = "vdd-gpu";
 231                         };
 232
 233                         reg_dcdc3: dcdc3 {
 234                                 regulator-always-on;
 235                                 regulator-min-microvolt = <800000>;
 236                                 regulator-max-microvolt = <1100000>;
 237                                 regulator-name = "vdd-cpua";
 238                         };
 239
 240                         reg_dcdc4: dcdc4 {
 241                                 regulator-always-on;
 242                                 regulator-min-microvolt = <800000>;
 243                                 regulator-max-microvolt = <1100000>;
 244                                 regulator-name = "vdd-sys-usb0-hdmi";
 245                         };
 246
 247                         reg_dcdc5: dcdc5 {
 248                                 regulator-always-on;
 249                                 regulator-min-microvolt = <1425000>;
 250                                 regulator-max-microvolt = <1575000>;
 251                                 regulator-name = "vcc-dram";
 252                         };
 253
 254                         reg_dldo1: dldo1 {
 255                                 /*
 256                                  * The WiFi chip supports a wide range
 257                                  * (3.0 ~ 4.8V) of voltages, and so does
 258                                  * this regulator (3.0 ~ 4.2V), but
 259                                  * Allwinner SDK always sets it to 3.3V.
 260                                  */
 261                                 regulator-min-microvolt = <3300000>;
 262                                 regulator-max-microvolt = <3300000>;
 263                                 regulator-name = "vcc-wifi";
 264                         };
 265
 266                         reg_dldo2: dldo2 {
 267                                 regulator-always-on;
 268                                 regulator-min-microvolt = <3000000>;
 269                                 regulator-max-microvolt = <3000000>;
 270                                 regulator-name = "vcc-pl";
 271                         };
 272
 273                         reg_eldo1: eldo1 {
 274                                 regulator-min-microvolt = <1200000>;
 275                                 regulator-max-microvolt = <1200000>;
 276                                 regulator-name = "vcc-dvdd-cam";
 277                         };
 278
 279                         reg_eldo2: eldo2 {
 280                                 regulator-min-microvolt = <1800000>;
 281                                 regulator-max-microvolt = <1800000>;
 282                                 regulator-name = "vcc-pe";
 283                         };
 284
 285                         reg_eldo3: eldo3 {
 286                                 regulator-always-on;
 287                                 regulator-min-microvolt = <3000000>;
 288                                 regulator-max-microvolt = <3000000>;
 289                                 regulator-name = "vcc-pm-codec-io1";
 290                         };
 291
 292                         reg_ldo_io0: ldo_io0 {
 293                                 regulator-always-on;
 294                                 regulator-min-microvolt = <3000000>;
 295                                 regulator-max-microvolt = <3000000>;
 296                                 regulator-name = "vcc-pg";
 297                         };
 298
 299                         reg_ldo_io1: ldo_io1 {
 300                                 regulator-min-microvolt = <2500000>;
 301                                 regulator-max-microvolt = <2500000>;
 302                                 regulator-name = "vcc-pa-gmac-2v5";
 303                         };
 304
 305                         reg_rtc_ldo: rtc_ldo {
 306                                 regulator-name = "vcc-rtc-vdd1v8-io";
 307                         };
 308
 309                         sw {
 310                                 /* unused */
 311                         };
 312                 };
 313         };
 314
 315         axp806: pmic@745 {
 316                 compatible = "x-powers,axp806";
 317                 reg = <0x745>;
 318                 interrupt-parent = <&nmi_intc>;
 319                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 320                 interrupt-controller;
 321                 #interrupt-cells = <1>;
 322                 bldoin-supply = <&reg_dcdce>;
 323
 324                 regulators {
 325                         reg_s_aldo1: aldo1 {
 326                                 regulator-always-on;
 327                                 regulator-min-microvolt = <3000000>;
 328                                 regulator-max-microvolt = <3000000>;
 329                                 regulator-name = "avcc";
 330                         };
 331
 332                         aldo2 {
 333                                 /*
 334                                  * unused, but use a different name to
 335                                  * avoid name clash with axp809's aldo's
 336                                  */
 337                                 regulator-name = "s_aldo2";
 338                         };
 339
 340                         aldo3 {
 341                                 /*
 342                                  * unused, but use a different name to
 343                                  * avoid name clash with axp809's aldo's
 344                                  */
 345                                 regulator-name = "s_aldo3";
 346                         };
 347
 348                         reg_bldo1: bldo1 {
 349                                 regulator-always-on;
 350                                 regulator-min-microvolt = <1700000>;
 351                                 regulator-max-microvolt = <1900000>;
 352                                 regulator-name = "vcc18-efuse-adc-display-csi";
 353                         };
 354
 355                         reg_bldo2: bldo2 {
 356                                 regulator-always-on;
 357                                 regulator-min-microvolt = <1700000>;
 358                                 regulator-max-microvolt = <1900000>;
 359                                 regulator-name =
 360                                         "vdd18-drampll-vcc18-pll-cpvdd";
 361                         };
 362
 363                         bldo3 {
 364                                 /* unused */
 365                         };
 366
 367                         reg_bldo4: bldo4 {
 368                                 regulator-min-microvolt = <1100000>;
 369                                 regulator-max-microvolt = <1300000>;
 370                                 regulator-name = "vcc12-hsic";
 371                         };
 372
 373                         reg_cldo1: cldo1 {
 374                                 /*
 375                                  * This was 3V in the original design, but
 376                                  * 3.3V is the recommended supply voltage
 377                                  * for the Ethernet PHY.
 378                                  */
 379                                 regulator-min-microvolt = <3300000>;
 380                                 regulator-max-microvolt = <3300000>;
 381                                 regulator-name = "vcc-gmac-phy";
 382                         };
 383
 384                         reg_cldo2: cldo2 {
 385                                 regulator-min-microvolt = <2800000>;
 386                                 regulator-max-microvolt = <2800000>;
 387                                 regulator-name = "afvcc-cam";
 388                         };
 389
 390                         reg_cldo3: cldo3 {
 391                                 regulator-min-microvolt = <3000000>;
 392                                 regulator-max-microvolt = <3000000>;
 393                                 regulator-name = "vcc-io-wifi-codec-io2";
 394                         };
 395
 396                         reg_dcdca: dcdca {
 397                                 regulator-always-on;
 398                                 regulator-min-microvolt = <800000>;
 399                                 regulator-max-microvolt = <1100000>;
 400                                 regulator-name = "vdd-cpub";
 401                         };
 402
 403                         reg_dcdcd: dcdcd {
 404                                 regulator-always-on;
 405                                 regulator-min-microvolt = <800000>;
 406                                 regulator-max-microvolt = <1100000>;
 407                                 regulator-name = "vdd-vpu";
 408                         };
 409
 410                         reg_dcdce: dcdce {
 411                                 regulator-always-on;
 412                                 regulator-min-microvolt = <2100000>;
 413                                 regulator-max-microvolt = <2100000>;
 414                                 regulator-name = "vcc-bldo-codec-ldoin";
 415                         };
 416
 417                         sw {
 418                                 /*
 419                                  * unused, but use a different name to
 420                                  * avoid name clash with axp809's sw
 421                                  */
 422                                 regulator-name = "s_sw";
 423                         };
 424                 };
 425         };
 426
 427         ac100: codec@e89 {
 428                 compatible = "x-powers,ac100";
 429                 reg = <0xe89>;
 430
 431                 ac100_codec: codec {
 432                         compatible = "x-powers,ac100-codec";
 433                         interrupt-parent = <&r_pio>;
 434                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 435                         #clock-cells = <0>;
 436                         clock-output-names = "4M_adda";
 437                 };
 438
 439                 ac100_rtc: rtc {
 440                         compatible = "x-powers,ac100-rtc";
 441                         interrupt-parent = <&nmi_intc>;
 442                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 443                         clocks = <&ac100_codec>;
 444                         #clock-cells = <1>;
 445                         clock-output-names = "cko1_rtc",
 446                                              "cko2_rtc",
 447                                              "cko3_rtc";
 448                 };
 449         };
 450 };
 451
 452 #include "axp809.dtsi"
 453
 454 &uart0 {
 455         pinctrl-names = "default";
 456         pinctrl-0 = <&uart0_ph_pins>;
 457         status = "okay";
 458 };
 459
 460 &usbphy1 {
 461         phy-supply = <&reg_usb1_vbus>;
 462         status = "okay";
 463 };
 464
 465 &usbphy2 {
 466         phy-supply = <&reg_bldo4>;
 467         /* Enable if HSIC peripheral is connected */
 468         status = "disabled";
 469 };
 470
 471 &usbphy3 {
 472         phy-supply = <&reg_usb3_vbus>;
 473         status = "okay";
 474 };