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 #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         wifi_pwrseq: wifi_pwrseq {
 110                 compatible = "mmc-pwrseq-simple";
 111                 clocks = <&ac100_rtc 1>;
 112                 clock-names = "ext_clock";
 113                 /* enables internal regulator and de-asserts reset */
 114                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 115         };
 116 };
 117
 118 &ehci0 {
 119         status = "okay";
 120 };
 121
 122 &ehci1 {
 123         /* Enable if HSIC peripheral is connected */
 124         status = "disabled";
 125 };
 126
 127 &ehci2 {
 128         status = "okay";
 129 };
 130
 131 &mmc0 {
 132         pinctrl-names = "default";
 133         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
 134         vmmc-supply = <&reg_dcdc1>;
 135         bus-width = <4>;
 136         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
 137         cd-inverted;
 138         status = "okay";
 139 };
 140
 141 &mmc1 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_optimus>;
 144         vmmc-supply = <&reg_dldo1>;
 145         vqmmc-supply = <&reg_cldo3>;
 146         mmc-pwrseq = <&wifi_pwrseq>;
 147         bus-width = <4>;
 148         non-removable;
 149         status = "okay";
 150 };
 151
 152 &mmc1_pins {
 153         bias-pull-up;
 154 };
 155
 156 &mmc2 {
 157         pinctrl-names = "default";
 158         pinctrl-0 = <&mmc2_8bit_pins>;
 159         vmmc-supply = <&reg_dcdc1>;
 160         bus-width = <8>;
 161         non-removable;
 162         cap-mmc-hw-reset;
 163         status = "okay";
 164 };
 165
 166 &mmc2_8bit_pins {
 167         /* Increase drive strength for DDR modes */
 168         drive-strength = <40>;
 169 };
 170
 171 &ohci0 {
 172         status = "okay";
 173 };
 174
 175 &ohci2 {
 176         status = "okay";
 177 };
 178
 179 &osc32k {
 180         /* osc32k input is from AC100 */
 181         clocks = <&ac100_rtc 0>;
 182 };
 183
 184 &pio {
 185         led_pins_optimus: led-pins@0 {
 186                 pins = "PH0", "PH1";
 187                 function = "gpio_out";
 188         };
 189
 190         mmc0_cd_pin_optimus: mmc0_cd_pin@0 {
 191                 pins = "PH18";
 192                 function = "gpio_in";
 193                 bias-pull-up;
 194         };
 195
 196         usb1_vbus_pin_optimus: usb1_vbus_pin@1 {
 197                 pins = "PH4";
 198                 function = "gpio_out";
 199         };
 200
 201         usb3_vbus_pin_optimus: usb3_vbus_pin@1 {
 202                 pins = "PH5";
 203                 function = "gpio_out";
 204         };
 205 };
 206
 207 &r_ir {
 208         status = "okay";
 209 };
 210
 211 &r_pio {
 212         led_r_pins_optimus: led-pins@1 {
 213                 pins = "PM15";
 214                 function = "gpio_out";
 215         };
 216
 217         wifi_en_pin_optimus: wifi_en_pin@0 {
 218                 pins = "PL2";
 219                 function = "gpio_out";
 220         };
 221 };
 222
 223 &r_rsb {
 224         status = "okay";
 225
 226         axp809: pmic@3a3 {
 227                 reg = <0x3a3>;
 228                 interrupt-parent = <&nmi_intc>;
 229                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 230
 231                 regulators {
 232                         reg_aldo1: aldo1 {
 233                                 /*
 234                                  * TODO: This should be handled by the
 235                                  * USB PHY driver.
 236                                  */
 237                                 regulator-always-on;
 238                                 regulator-min-microvolt = <3000000>;
 239                                 regulator-max-microvolt = <3000000>;
 240                                 regulator-name = "vcc33-usbh";
 241                         };
 242
 243                         reg_aldo2: aldo2 {
 244                                 regulator-min-microvolt = <1800000>;
 245                                 regulator-max-microvolt = <1800000>;
 246                                 regulator-name = "vcc-pb-io-cam";
 247                         };
 248
 249                         aldo3 {
 250                                 /* unused */
 251                         };
 252
 253                         reg_dc5ldo: dc5ldo {
 254                                 regulator-always-on;
 255                                 regulator-min-microvolt = <800000>;
 256                                 regulator-max-microvolt = <1100000>;
 257                                 regulator-name = "vdd-cpus-09-usbh";
 258                         };
 259
 260                         reg_dcdc1: dcdc1 {
 261                                 regulator-always-on;
 262                                 regulator-min-microvolt = <3000000>;
 263                                 regulator-max-microvolt = <3000000>;
 264                                 regulator-name = "vcc-3v";
 265                         };
 266
 267                         reg_dcdc2: dcdc2 {
 268                                 regulator-min-microvolt = <800000>;
 269                                 regulator-max-microvolt = <1100000>;
 270                                 regulator-name = "vdd-gpu";
 271                         };
 272
 273                         reg_dcdc3: dcdc3 {
 274                                 regulator-always-on;
 275                                 regulator-min-microvolt = <800000>;
 276                                 regulator-max-microvolt = <1100000>;
 277                                 regulator-name = "vdd-cpua";
 278                         };
 279
 280                         reg_dcdc4: dcdc4 {
 281                                 regulator-always-on;
 282                                 regulator-min-microvolt = <800000>;
 283                                 regulator-max-microvolt = <1100000>;
 284                                 regulator-name = "vdd-sys-usb0-hdmi";
 285                         };
 286
 287                         reg_dcdc5: dcdc5 {
 288                                 regulator-always-on;
 289                                 regulator-min-microvolt = <1425000>;
 290                                 regulator-max-microvolt = <1575000>;
 291                                 regulator-name = "vcc-dram";
 292                         };
 293
 294                         reg_dldo1: dldo1 {
 295                                 /*
 296                                  * The WiFi chip supports a wide range
 297                                  * (3.0 ~ 4.8V) of voltages, and so does
 298                                  * this regulator (3.0 ~ 4.2V), but
 299                                  * Allwinner SDK always sets it to 3.3V.
 300                                  */
 301                                 regulator-min-microvolt = <3300000>;
 302                                 regulator-max-microvolt = <3300000>;
 303                                 regulator-name = "vcc-wifi";
 304                         };
 305
 306                         reg_dldo2: dldo2 {
 307                                 regulator-always-on;
 308                                 regulator-min-microvolt = <3000000>;
 309                                 regulator-max-microvolt = <3000000>;
 310                                 regulator-name = "vcc-pl";
 311                         };
 312
 313                         reg_eldo1: eldo1 {
 314                                 regulator-min-microvolt = <1200000>;
 315                                 regulator-max-microvolt = <1200000>;
 316                                 regulator-name = "vcc-dvdd-cam";
 317                         };
 318
 319                         reg_eldo2: eldo2 {
 320                                 regulator-min-microvolt = <1800000>;
 321                                 regulator-max-microvolt = <1800000>;
 322                                 regulator-name = "vcc-pe";
 323                         };
 324
 325                         reg_eldo3: eldo3 {
 326                                 regulator-always-on;
 327                                 regulator-min-microvolt = <3000000>;
 328                                 regulator-max-microvolt = <3000000>;
 329                                 regulator-name = "vcc-pm-codec-io1";
 330                         };
 331
 332                         reg_ldo_io0: ldo_io0 {
 333                                 regulator-always-on;
 334                                 regulator-min-microvolt = <3000000>;
 335                                 regulator-max-microvolt = <3000000>;
 336                                 regulator-name = "vcc-pg";
 337                         };
 338
 339                         reg_ldo_io1: ldo_io1 {
 340                                 regulator-min-microvolt = <2500000>;
 341                                 regulator-max-microvolt = <2500000>;
 342                                 regulator-name = "vcc-pa-gmac-2v5";
 343                         };
 344
 345                         reg_rtc_ldo: rtc_ldo {
 346                                 regulator-name = "vcc-rtc-vdd1v8-io";
 347                         };
 348
 349                         sw {
 350                                 /* unused */
 351                         };
 352                 };
 353         };
 354
 355         axp806: pmic@745 {
 356                 compatible = "x-powers,axp806";
 357                 reg = <0x745>;
 358                 interrupt-parent = <&nmi_intc>;
 359                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 360                 interrupt-controller;
 361                 #interrupt-cells = <1>;
 362                 bldoin-supply = <&reg_dcdce>;
 363
 364                 regulators {
 365                         reg_s_aldo1: aldo1 {
 366                                 regulator-always-on;
 367                                 regulator-min-microvolt = <3000000>;
 368                                 regulator-max-microvolt = <3000000>;
 369                                 regulator-name = "avcc";
 370                         };
 371
 372                         aldo2 {
 373                                 /*
 374                                  * unused, but use a different name to
 375                                  * avoid name clash with axp809's aldo's
 376                                  */
 377                                 regulator-name = "s_aldo2";
 378                         };
 379
 380                         aldo3 {
 381                                 /*
 382                                  * unused, but use a different name to
 383                                  * avoid name clash with axp809's aldo's
 384                                  */
 385                                 regulator-name = "s_aldo3";
 386                         };
 387
 388                         reg_bldo1: bldo1 {
 389                                 regulator-always-on;
 390                                 regulator-min-microvolt = <1700000>;
 391                                 regulator-max-microvolt = <1900000>;
 392                                 regulator-name = "vcc18-efuse-adc-display-csi";
 393                         };
 394
 395                         reg_bldo2: bldo2 {
 396                                 regulator-always-on;
 397                                 regulator-min-microvolt = <1700000>;
 398                                 regulator-max-microvolt = <1900000>;
 399                                 regulator-name =
 400                                         "vdd18-drampll-vcc18-pll-cpvdd";
 401                         };
 402
 403                         bldo3 {
 404                                 /* unused */
 405                         };
 406
 407                         reg_bldo4: bldo4 {
 408                                 regulator-min-microvolt = <1100000>;
 409                                 regulator-max-microvolt = <1300000>;
 410                                 regulator-name = "vcc12-hsic";
 411                         };
 412
 413                         reg_cldo1: cldo1 {
 414                                 /*
 415                                  * This was 3V in the original design, but
 416                                  * 3.3V is the recommended supply voltage
 417                                  * for the Ethernet PHY.
 418                                  */
 419                                 regulator-min-microvolt = <3300000>;
 420                                 regulator-max-microvolt = <3300000>;
 421                                 regulator-name = "vcc-gmac-phy";
 422                         };
 423
 424                         reg_cldo2: cldo2 {
 425                                 regulator-min-microvolt = <2800000>;
 426                                 regulator-max-microvolt = <2800000>;
 427                                 regulator-name = "afvcc-cam";
 428                         };
 429
 430                         reg_cldo3: cldo3 {
 431                                 regulator-min-microvolt = <3000000>;
 432                                 regulator-max-microvolt = <3000000>;
 433                                 regulator-name = "vcc-io-wifi-codec-io2";
 434                         };
 435
 436                         reg_dcdca: dcdca {
 437                                 regulator-always-on;
 438                                 regulator-min-microvolt = <800000>;
 439                                 regulator-max-microvolt = <1100000>;
 440                                 regulator-name = "vdd-cpub";
 441                         };
 442
 443                         reg_dcdcd: dcdcd {
 444                                 regulator-always-on;
 445                                 regulator-min-microvolt = <800000>;
 446                                 regulator-max-microvolt = <1100000>;
 447                                 regulator-name = "vdd-vpu";
 448                         };
 449
 450                         reg_dcdce: dcdce {
 451                                 regulator-always-on;
 452                                 regulator-min-microvolt = <2100000>;
 453                                 regulator-max-microvolt = <2100000>;
 454                                 regulator-name = "vcc-bldo-codec-ldoin";
 455                         };
 456
 457                         sw {
 458                                 /*
 459                                  * unused, but use a different name to
 460                                  * avoid name clash with axp809's sw
 461                                  */
 462                                 regulator-name = "s_sw";
 463                         };
 464                 };
 465         };
 466
 467         ac100: codec@e89 {
 468                 compatible = "x-powers,ac100";
 469                 reg = <0xe89>;
 470
 471                 ac100_codec: codec {
 472                         compatible = "x-powers,ac100-codec";
 473                         interrupt-parent = <&r_pio>;
 474                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 475                         #clock-cells = <0>;
 476                         clock-output-names = "4M_adda";
 477                 };
 478
 479                 ac100_rtc: rtc {
 480                         compatible = "x-powers,ac100-rtc";
 481                         interrupt-parent = <&nmi_intc>;
 482                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 483                         clocks = <&ac100_codec>;
 484                         #clock-cells = <1>;
 485                         clock-output-names = "cko1_rtc",
 486                                              "cko2_rtc",
 487                                              "cko3_rtc";
 488                 };
 489         };
 490 };
 491
 492 #include "axp809.dtsi"
 493
 494 &uart0 {
 495         pinctrl-names = "default";
 496         pinctrl-0 = <&uart0_pins_a>;
 497         status = "okay";
 498 };
 499
 500 &usbphy1 {
 501         phy-supply = <&reg_usb1_vbus>;
 502         status = "okay";
 503 };
 504
 505 &usbphy2 {
 506         phy-supply = <&reg_bldo4>;
 507         /* Enable if HSIC peripheral is connected */
 508         status = "disabled";
 509 };
 510
 511 &usbphy3 {
 512         phy-supply = <&reg_usb3_vbus>;
 513         status = "okay";
 514 };