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                 pinctrl-names = "default";
  66                 pinctrl-0 = <&led_pins_optimus>, <&led_r_pins_optimus>;
  67
  68                 /* The LED names match those found on the board */
  69
  70                 led2 {
  71                         label = "optimus:led2:usr";
  72                         gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
  73                 };
  74
  75                 led3 {
  76                         label = "optimus:led3:usr";
  77                         gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
  78                 };
  79
  80                 led4 {
  81                         label = "optimus:led4:usr";
  82                         gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
  83                 };
  84         };
  85
  86         reg_usb1_vbus: usb1-vbus {
  87                 compatible = "regulator-fixed";
  88                 pinctrl-names = "default";
  89                 pinctrl-0 = <&usb1_vbus_pin_optimus>;
  90                 regulator-name = "usb1-vbus";
  91                 regulator-min-microvolt = <5000000>;
  92                 regulator-max-microvolt = <5000000>;
  93                 enable-active-high;
  94                 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
  95         };
  96
  97         reg_usb3_vbus: usb3-vbus {
  98                 compatible = "regulator-fixed";
  99                 pinctrl-names = "default";
 100                 pinctrl-0 = <&usb3_vbus_pin_optimus>;
 101                 regulator-name = "usb3-vbus";
 102                 regulator-min-microvolt = <5000000>;
 103                 regulator-max-microvolt = <5000000>;
 104                 enable-active-high;
 105                 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 106         };
 107
 108         wifi_pwrseq: wifi_pwrseq {
 109                 compatible = "mmc-pwrseq-simple";
 110                 clocks = <&ac100_rtc 1>;
 111                 clock-names = "ext_clock";
 112                 /* enables internal regulator and de-asserts reset */
 113                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 114         };
 115 };
 116
 117 &ehci0 {
 118         status = "okay";
 119 };
 120
 121 &ehci1 {
 122         /* Enable if HSIC peripheral is connected */
 123         status = "disabled";
 124 };
 125
 126 &ehci2 {
 127         status = "okay";
 128 };
 129
 130 &mmc0 {
 131         pinctrl-names = "default";
 132         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
 133         vmmc-supply = <&reg_dcdc1>;
 134         bus-width = <4>;
 135         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
 136         cd-inverted;
 137         status = "okay";
 138 };
 139
 140 &mmc1 {
 141         pinctrl-names = "default";
 142         pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_optimus>;
 143         vmmc-supply = <&reg_dldo1>;
 144         vqmmc-supply = <&reg_cldo3>;
 145         mmc-pwrseq = <&wifi_pwrseq>;
 146         bus-width = <4>;
 147         non-removable;
 148         status = "okay";
 149 };
 150
 151 &mmc1_pins {
 152         bias-pull-up;
 153 };
 154
 155 &mmc2 {
 156         pinctrl-names = "default";
 157         pinctrl-0 = <&mmc2_8bit_pins>;
 158         vmmc-supply = <&reg_dcdc1>;
 159         bus-width = <8>;
 160         non-removable;
 161         cap-mmc-hw-reset;
 162         status = "okay";
 163 };
 164
 165 &mmc2_8bit_pins {
 166         /* Increase drive strength for DDR modes */
 167         drive-strength = <40>;
 168 };
 169
 170 &ohci0 {
 171         status = "okay";
 172 };
 173
 174 &ohci2 {
 175         status = "okay";
 176 };
 177
 178 &osc32k {
 179         /* osc32k input is from AC100 */
 180         clocks = <&ac100_rtc 0>;
 181 };
 182
 183 &pio {
 184         led_pins_optimus: led-pins@0 {
 185                 pins = "PH0", "PH1";
 186                 function = "gpio_out";
 187         };
 188
 189         mmc0_cd_pin_optimus: mmc0_cd_pin@0 {
 190                 pins = "PH18";
 191                 function = "gpio_in";
 192                 bias-pull-up;
 193         };
 194
 195         usb1_vbus_pin_optimus: usb1_vbus_pin@1 {
 196                 pins = "PH4";
 197                 function = "gpio_out";
 198         };
 199
 200         usb3_vbus_pin_optimus: usb3_vbus_pin@1 {
 201                 pins = "PH5";
 202                 function = "gpio_out";
 203         };
 204 };
 205
 206 &r_ir {
 207         status = "okay";
 208 };
 209
 210 &r_pio {
 211         led_r_pins_optimus: led-pins@1 {
 212                 pins = "PM15";
 213                 function = "gpio_out";
 214         };
 215
 216         wifi_en_pin_optimus: wifi_en_pin@0 {
 217                 pins = "PL2";
 218                 function = "gpio_out";
 219         };
 220 };
 221
 222 &r_rsb {
 223         status = "okay";
 224
 225         axp809: pmic@3a3 {
 226                 reg = <0x3a3>;
 227                 interrupt-parent = <&nmi_intc>;
 228                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 229
 230                 regulators {
 231                         reg_aldo1: aldo1 {
 232                                 /*
 233                                  * TODO: This should be handled by the
 234                                  * USB PHY driver.
 235                                  */
 236                                 regulator-always-on;
 237                                 regulator-min-microvolt = <3000000>;
 238                                 regulator-max-microvolt = <3000000>;
 239                                 regulator-name = "vcc33-usbh";
 240                         };
 241
 242                         reg_aldo2: aldo2 {
 243                                 regulator-min-microvolt = <1800000>;
 244                                 regulator-max-microvolt = <1800000>;
 245                                 regulator-name = "vcc-pb-io-cam";
 246                         };
 247
 248                         aldo3 {
 249                                 /* unused */
 250                         };
 251
 252                         reg_dc5ldo: dc5ldo {
 253                                 regulator-always-on;
 254                                 regulator-min-microvolt = <800000>;
 255                                 regulator-max-microvolt = <1100000>;
 256                                 regulator-name = "vdd-cpus-09-usbh";
 257                         };
 258
 259                         reg_dcdc1: dcdc1 {
 260                                 regulator-always-on;
 261                                 regulator-min-microvolt = <3000000>;
 262                                 regulator-max-microvolt = <3000000>;
 263                                 regulator-name = "vcc-3v";
 264                         };
 265
 266                         reg_dcdc2: dcdc2 {
 267                                 regulator-min-microvolt = <800000>;
 268                                 regulator-max-microvolt = <1100000>;
 269                                 regulator-name = "vdd-gpu";
 270                         };
 271
 272                         reg_dcdc3: dcdc3 {
 273                                 regulator-always-on;
 274                                 regulator-min-microvolt = <800000>;
 275                                 regulator-max-microvolt = <1100000>;
 276                                 regulator-name = "vdd-cpua";
 277                         };
 278
 279                         reg_dcdc4: dcdc4 {
 280                                 regulator-always-on;
 281                                 regulator-min-microvolt = <800000>;
 282                                 regulator-max-microvolt = <1100000>;
 283                                 regulator-name = "vdd-sys-usb0-hdmi";
 284                         };
 285
 286                         reg_dcdc5: dcdc5 {
 287                                 regulator-always-on;
 288                                 regulator-min-microvolt = <1425000>;
 289                                 regulator-max-microvolt = <1575000>;
 290                                 regulator-name = "vcc-dram";
 291                         };
 292
 293                         reg_dldo1: dldo1 {
 294                                 /*
 295                                  * The WiFi chip supports a wide range
 296                                  * (3.0 ~ 4.8V) of voltages, and so does
 297                                  * this regulator (3.0 ~ 4.2V), but
 298                                  * Allwinner SDK always sets it to 3.3V.
 299                                  */
 300                                 regulator-min-microvolt = <3300000>;
 301                                 regulator-max-microvolt = <3300000>;
 302                                 regulator-name = "vcc-wifi";
 303                         };
 304
 305                         reg_dldo2: dldo2 {
 306                                 regulator-always-on;
 307                                 regulator-min-microvolt = <3000000>;
 308                                 regulator-max-microvolt = <3000000>;
 309                                 regulator-name = "vcc-pl";
 310                         };
 311
 312                         reg_eldo1: eldo1 {
 313                                 regulator-min-microvolt = <1200000>;
 314                                 regulator-max-microvolt = <1200000>;
 315                                 regulator-name = "vcc-dvdd-cam";
 316                         };
 317
 318                         reg_eldo2: eldo2 {
 319                                 regulator-min-microvolt = <1800000>;
 320                                 regulator-max-microvolt = <1800000>;
 321                                 regulator-name = "vcc-pe";
 322                         };
 323
 324                         reg_eldo3: eldo3 {
 325                                 regulator-always-on;
 326                                 regulator-min-microvolt = <3000000>;
 327                                 regulator-max-microvolt = <3000000>;
 328                                 regulator-name = "vcc-pm-codec-io1";
 329                         };
 330
 331                         reg_ldo_io0: ldo_io0 {
 332                                 regulator-always-on;
 333                                 regulator-min-microvolt = <3000000>;
 334                                 regulator-max-microvolt = <3000000>;
 335                                 regulator-name = "vcc-pg";
 336                         };
 337
 338                         reg_ldo_io1: ldo_io1 {
 339                                 regulator-min-microvolt = <2500000>;
 340                                 regulator-max-microvolt = <2500000>;
 341                                 regulator-name = "vcc-pa-gmac-2v5";
 342                         };
 343
 344                         reg_rtc_ldo: rtc_ldo {
 345                                 regulator-name = "vcc-rtc-vdd1v8-io";
 346                         };
 347
 348                         sw {
 349                                 /* unused */
 350                         };
 351                 };
 352         };
 353
 354         axp806: pmic@745 {
 355                 compatible = "x-powers,axp806";
 356                 reg = <0x745>;
 357                 interrupt-parent = <&nmi_intc>;
 358                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 359                 interrupt-controller;
 360                 #interrupt-cells = <1>;
 361                 bldoin-supply = <&reg_dcdce>;
 362
 363                 regulators {
 364                         reg_s_aldo1: aldo1 {
 365                                 regulator-always-on;
 366                                 regulator-min-microvolt = <3000000>;
 367                                 regulator-max-microvolt = <3000000>;
 368                                 regulator-name = "avcc";
 369                         };
 370
 371                         aldo2 {
 372                                 /*
 373                                  * unused, but use a different name to
 374                                  * avoid name clash with axp809's aldo's
 375                                  */
 376                                 regulator-name = "s_aldo2";
 377                         };
 378
 379                         aldo3 {
 380                                 /*
 381                                  * unused, but use a different name to
 382                                  * avoid name clash with axp809's aldo's
 383                                  */
 384                                 regulator-name = "s_aldo3";
 385                         };
 386
 387                         reg_bldo1: bldo1 {
 388                                 regulator-always-on;
 389                                 regulator-min-microvolt = <1700000>;
 390                                 regulator-max-microvolt = <1900000>;
 391                                 regulator-name = "vcc18-efuse-adc-display-csi";
 392                         };
 393
 394                         reg_bldo2: bldo2 {
 395                                 regulator-always-on;
 396                                 regulator-min-microvolt = <1700000>;
 397                                 regulator-max-microvolt = <1900000>;
 398                                 regulator-name =
 399                                         "vdd18-drampll-vcc18-pll-cpvdd";
 400                         };
 401
 402                         bldo3 {
 403                                 /* unused */
 404                         };
 405
 406                         reg_bldo4: bldo4 {
 407                                 regulator-min-microvolt = <1100000>;
 408                                 regulator-max-microvolt = <1300000>;
 409                                 regulator-name = "vcc12-hsic";
 410                         };
 411
 412                         reg_cldo1: cldo1 {
 413                                 /*
 414                                  * This was 3V in the original design, but
 415                                  * 3.3V is the recommended supply voltage
 416                                  * for the Ethernet PHY.
 417                                  */
 418                                 regulator-min-microvolt = <3300000>;
 419                                 regulator-max-microvolt = <3300000>;
 420                                 regulator-name = "vcc-gmac-phy";
 421                         };
 422
 423                         reg_cldo2: cldo2 {
 424                                 regulator-min-microvolt = <2800000>;
 425                                 regulator-max-microvolt = <2800000>;
 426                                 regulator-name = "afvcc-cam";
 427                         };
 428
 429                         reg_cldo3: cldo3 {
 430                                 regulator-min-microvolt = <3000000>;
 431                                 regulator-max-microvolt = <3000000>;
 432                                 regulator-name = "vcc-io-wifi-codec-io2";
 433                         };
 434
 435                         reg_dcdca: dcdca {
 436                                 regulator-always-on;
 437                                 regulator-min-microvolt = <800000>;
 438                                 regulator-max-microvolt = <1100000>;
 439                                 regulator-name = "vdd-cpub";
 440                         };
 441
 442                         reg_dcdcd: dcdcd {
 443                                 regulator-always-on;
 444                                 regulator-min-microvolt = <800000>;
 445                                 regulator-max-microvolt = <1100000>;
 446                                 regulator-name = "vdd-vpu";
 447                         };
 448
 449                         reg_dcdce: dcdce {
 450                                 regulator-always-on;
 451                                 regulator-min-microvolt = <2100000>;
 452                                 regulator-max-microvolt = <2100000>;
 453                                 regulator-name = "vcc-bldo-codec-ldoin";
 454                         };
 455
 456                         sw {
 457                                 /*
 458                                  * unused, but use a different name to
 459                                  * avoid name clash with axp809's sw
 460                                  */
 461                                 regulator-name = "s_sw";
 462                         };
 463                 };
 464         };
 465
 466         ac100: codec@e89 {
 467                 compatible = "x-powers,ac100";
 468                 reg = <0xe89>;
 469
 470                 ac100_codec: codec {
 471                         compatible = "x-powers,ac100-codec";
 472                         interrupt-parent = <&r_pio>;
 473                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 474                         #clock-cells = <0>;
 475                         clock-output-names = "4M_adda";
 476                 };
 477
 478                 ac100_rtc: rtc {
 479                         compatible = "x-powers,ac100-rtc";
 480                         interrupt-parent = <&nmi_intc>;
 481                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 482                         clocks = <&ac100_codec>;
 483                         #clock-cells = <1>;
 484                         clock-output-names = "cko1_rtc",
 485                                              "cko2_rtc",
 486                                              "cko3_rtc";
 487                 };
 488         };
 489 };
 490
 491 #include "axp809.dtsi"
 492
 493 &uart0 {
 494         pinctrl-names = "default";
 495         pinctrl-0 = <&uart0_pins_a>;
 496         status = "okay";
 497 };
 498
 499 &usbphy1 {
 500         phy-supply = <&reg_usb1_vbus>;
 501         status = "okay";
 502 };
 503
 504 &usbphy2 {
 505         phy-supply = <&reg_bldo4>;
 506         /* Enable if HSIC peripheral is connected */
 507         status = "disabled";
 508 };
 509
 510 &usbphy3 {
 511         phy-supply = <&reg_usb3_vbus>;
 512         status = "okay";
 513 };