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 &gmac {
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&gmac_rgmii_pins>;
 126         phy-handle = <&phy1>;
 127         phy-mode = "rgmii-id";
 128         phy-supply = <&reg_cldo1>;
 129         status = "okay";
 130 };
 131
 132 &mdio {
 133         phy1: ethernet-phy@1 {
 134                 reg = <1>;
 135         };
 136 };
 137
 138 &mmc0 {
 139         pinctrl-names = "default";
 140         pinctrl-0 = <&mmc0_pins>;
 141         vmmc-supply = <&reg_dcdc1>;
 142         bus-width = <4>;
 143         cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */
 144         status = "okay";
 145 };
 146
 147 &mmc1 {
 148         pinctrl-names = "default";
 149         pinctrl-0 = <&mmc1_pins>;
 150         vmmc-supply = <&reg_dldo1>;
 151         vqmmc-supply = <&reg_cldo3>;
 152         mmc-pwrseq = <&wifi_pwrseq>;
 153         bus-width = <4>;
 154         non-removable;
 155         status = "okay";
 156 };
 157
 158 &mmc1_pins {
 159         bias-pull-up;
 160 };
 161
 162 &mmc2 {
 163         pinctrl-names = "default";
 164         pinctrl-0 = <&mmc2_8bit_pins>;
 165         vmmc-supply = <&reg_dcdc1>;
 166         bus-width = <8>;
 167         non-removable;
 168         cap-mmc-hw-reset;
 169         status = "okay";
 170 };
 171
 172 &mmc2_8bit_pins {
 173         /* Increase drive strength for DDR modes */
 174         drive-strength = <40>;
 175 };
 176
 177 &ohci0 {
 178         status = "okay";
 179 };
 180
 181 &ohci2 {
 182         status = "okay";
 183 };
 184
 185 &osc32k {
 186         /* osc32k input is from AC100 */
 187         clocks = <&ac100_rtc 0>;
 188 };
 189
 190 &pio {
 191         vcc-pa-supply = <&reg_ldo_io1>;
 192         vcc-pb-supply = <&reg_aldo2>;
 193         vcc-pc-supply = <&reg_dcdc1>;
 194         vcc-pd-supply = <&reg_dcdc1>;
 195         vcc-pe-supply = <&reg_eldo2>;
 196         vcc-pf-supply = <&reg_dcdc1>;
 197         vcc-pg-supply = <&reg_ldo_io0>;
 198         vcc-ph-supply = <&reg_dcdc1>;
 199 };
 200
 201 &r_ir {
 202         status = "okay";
 203 };
 204
 205 &r_pio {
 206         vcc-pl-supply = <&reg_dldo2>;
 207         vcc-pm-supply = <&reg_eldo3>;
 208 };
 209
 210 &r_rsb {
 211         status = "okay";
 212
 213         axp809: pmic@3a3 {
 214                 reg = <0x3a3>;
 215                 interrupt-parent = <&nmi_intc>;
 216                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 217
 218                 regulators {
 219                         reg_aldo1: aldo1 {
 220                                 /*
 221                                  * TODO: This should be handled by the
 222                                  * USB PHY driver.
 223                                  */
 224                                 regulator-always-on;
 225                                 regulator-min-microvolt = <3000000>;
 226                                 regulator-max-microvolt = <3000000>;
 227                                 regulator-name = "vcc33-usbh";
 228                         };
 229
 230                         reg_aldo2: aldo2 {
 231                                 regulator-min-microvolt = <1800000>;
 232                                 regulator-max-microvolt = <1800000>;
 233                                 regulator-name = "vcc-pb-io-cam";
 234                         };
 235
 236                         aldo3 {
 237                                 /* unused */
 238                         };
 239
 240                         reg_dc5ldo: dc5ldo {
 241                                 regulator-always-on;
 242                                 regulator-min-microvolt = <800000>;
 243                                 regulator-max-microvolt = <1100000>;
 244                                 regulator-name = "vdd-cpus-09-usbh";
 245                         };
 246
 247                         dc1sw {
 248                                 /* unused */
 249                         };
 250
 251                         reg_dcdc1: dcdc1 {
 252                                 regulator-always-on;
 253                                 regulator-min-microvolt = <3000000>;
 254                                 regulator-max-microvolt = <3000000>;
 255                                 regulator-name = "vcc-3v";
 256                         };
 257
 258                         reg_dcdc2: dcdc2 {
 259                                 regulator-min-microvolt = <800000>;
 260                                 regulator-max-microvolt = <1100000>;
 261                                 regulator-name = "vdd-gpu";
 262                         };
 263
 264                         reg_dcdc3: dcdc3 {
 265                                 regulator-always-on;
 266                                 regulator-min-microvolt = <800000>;
 267                                 regulator-max-microvolt = <1100000>;
 268                                 regulator-name = "vdd-cpua";
 269                         };
 270
 271                         reg_dcdc4: dcdc4 {
 272                                 regulator-always-on;
 273                                 regulator-min-microvolt = <800000>;
 274                                 regulator-max-microvolt = <1100000>;
 275                                 regulator-name = "vdd-sys-usb0-hdmi";
 276                         };
 277
 278                         reg_dcdc5: dcdc5 {
 279                                 regulator-always-on;
 280                                 regulator-min-microvolt = <1425000>;
 281                                 regulator-max-microvolt = <1575000>;
 282                                 regulator-name = "vcc-dram";
 283                         };
 284
 285                         reg_dldo1: dldo1 {
 286                                 /*
 287                                  * The WiFi chip supports a wide range
 288                                  * (3.0 ~ 4.8V) of voltages, and so does
 289                                  * this regulator (3.0 ~ 4.2V), but
 290                                  * Allwinner SDK always sets it to 3.3V.
 291                                  */
 292                                 regulator-min-microvolt = <3300000>;
 293                                 regulator-max-microvolt = <3300000>;
 294                                 regulator-name = "vcc-wifi";
 295                         };
 296
 297                         reg_dldo2: dldo2 {
 298                                 regulator-min-microvolt = <3000000>;
 299                                 regulator-max-microvolt = <3000000>;
 300                                 regulator-name = "vcc-pl";
 301                         };
 302
 303                         reg_eldo1: eldo1 {
 304                                 regulator-min-microvolt = <1200000>;
 305                                 regulator-max-microvolt = <1200000>;
 306                                 regulator-name = "vcc-dvdd-cam";
 307                         };
 308
 309                         reg_eldo2: eldo2 {
 310                                 regulator-min-microvolt = <1800000>;
 311                                 regulator-max-microvolt = <1800000>;
 312                                 regulator-name = "vcc-pe";
 313                         };
 314
 315                         reg_eldo3: eldo3 {
 316                                 regulator-min-microvolt = <3000000>;
 317                                 regulator-max-microvolt = <3000000>;
 318                                 regulator-name = "vcc-pm-codec-io1";
 319                         };
 320
 321                         reg_ldo_io0: ldo_io0 {
 322                                 regulator-min-microvolt = <3000000>;
 323                                 regulator-max-microvolt = <3000000>;
 324                                 regulator-name = "vcc-pg";
 325                         };
 326
 327                         reg_ldo_io1: ldo_io1 {
 328                                 regulator-min-microvolt = <2500000>;
 329                                 regulator-max-microvolt = <2500000>;
 330                                 regulator-name = "vcc-pa-gmac-2v5";
 331                         };
 332
 333                         reg_rtc_ldo: rtc_ldo {
 334                                 regulator-name = "vcc-rtc-vdd1v8-io";
 335                         };
 336
 337                         sw {
 338                                 /* unused */
 339                         };
 340                 };
 341         };
 342
 343         axp806: pmic@745 {
 344                 compatible = "x-powers,axp806";
 345                 reg = <0x745>;
 346                 interrupt-parent = <&nmi_intc>;
 347                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 348                 interrupt-controller;
 349                 #interrupt-cells = <1>;
 350                 bldoin-supply = <&reg_dcdce>;
 351
 352                 regulators {
 353                         reg_s_aldo1: aldo1 {
 354                                 regulator-always-on;
 355                                 regulator-min-microvolt = <3000000>;
 356                                 regulator-max-microvolt = <3000000>;
 357                                 regulator-name = "avcc";
 358                         };
 359
 360                         aldo2 {
 361                                 /*
 362                                  * unused, but use a different name to
 363                                  * avoid name clash with axp809's aldo's
 364                                  */
 365                                 regulator-name = "s_aldo2";
 366                         };
 367
 368                         aldo3 {
 369                                 /*
 370                                  * unused, but use a different name to
 371                                  * avoid name clash with axp809's aldo's
 372                                  */
 373                                 regulator-name = "s_aldo3";
 374                         };
 375
 376                         reg_bldo1: bldo1 {
 377                                 regulator-always-on;
 378                                 regulator-min-microvolt = <1700000>;
 379                                 regulator-max-microvolt = <1900000>;
 380                                 regulator-name = "vcc18-efuse-adc-display-csi";
 381                         };
 382
 383                         reg_bldo2: bldo2 {
 384                                 regulator-always-on;
 385                                 regulator-min-microvolt = <1700000>;
 386                                 regulator-max-microvolt = <1900000>;
 387                                 regulator-name =
 388                                         "vdd18-drampll-vcc18-pll-cpvdd";
 389                         };
 390
 391                         bldo3 {
 392                                 /* unused */
 393                         };
 394
 395                         reg_bldo4: bldo4 {
 396                                 regulator-min-microvolt = <1100000>;
 397                                 regulator-max-microvolt = <1300000>;
 398                                 regulator-name = "vcc12-hsic";
 399                         };
 400
 401                         reg_cldo1: cldo1 {
 402                                 /*
 403                                  * This was 3V in the original design, but
 404                                  * 3.3V is the recommended supply voltage
 405                                  * for the Ethernet PHY.
 406                                  */
 407                                 regulator-min-microvolt = <3300000>;
 408                                 regulator-max-microvolt = <3300000>;
 409                                 /*
 410                                  * The PHY requires 20ms after all voltages
 411                                  * are applied until core logic is ready and
 412                                  * 30ms after the reset pin is de-asserted.
 413                                  * Set a 100ms delay to account for PMIC
 414                                  * ramp time and board traces.
 415                                  */
 416                                 regulator-enable-ramp-delay = <100000>;
 417                                 regulator-name = "vcc-gmac-phy";
 418                         };
 419
 420                         reg_cldo2: cldo2 {
 421                                 regulator-min-microvolt = <2800000>;
 422                                 regulator-max-microvolt = <2800000>;
 423                                 regulator-name = "afvcc-cam";
 424                         };
 425
 426                         reg_cldo3: cldo3 {
 427                                 regulator-min-microvolt = <3000000>;
 428                                 regulator-max-microvolt = <3000000>;
 429                                 regulator-name = "vcc-io-wifi-codec-io2";
 430                         };
 431
 432                         reg_dcdca: dcdca {
 433                                 regulator-always-on;
 434                                 regulator-min-microvolt = <800000>;
 435                                 regulator-max-microvolt = <1100000>;
 436                                 regulator-name = "vdd-cpub";
 437                         };
 438
 439                         reg_dcdcd: dcdcd {
 440                                 regulator-always-on;
 441                                 regulator-min-microvolt = <800000>;
 442                                 regulator-max-microvolt = <1100000>;
 443                                 regulator-name = "vdd-vpu";
 444                         };
 445
 446                         reg_dcdce: dcdce {
 447                                 regulator-always-on;
 448                                 regulator-min-microvolt = <2100000>;
 449                                 regulator-max-microvolt = <2100000>;
 450                                 regulator-name = "vcc-bldo-codec-ldoin";
 451                         };
 452
 453                         sw {
 454                                 /*
 455                                  * unused, but use a different name to
 456                                  * avoid name clash with axp809's sw
 457                                  */
 458                                 regulator-name = "s_sw";
 459                         };
 460                 };
 461         };
 462
 463         ac100: codec@e89 {
 464                 compatible = "x-powers,ac100";
 465                 reg = <0xe89>;
 466
 467                 ac100_codec: codec {
 468                         compatible = "x-powers,ac100-codec";
 469                         interrupt-parent = <&r_pio>;
 470                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 471                         #clock-cells = <0>;
 472                         clock-output-names = "4M_adda";
 473                 };
 474
 475                 ac100_rtc: rtc {
 476                         compatible = "x-powers,ac100-rtc";
 477                         interrupt-parent = <&nmi_intc>;
 478                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 479                         clocks = <&ac100_codec>;
 480                         #clock-cells = <1>;
 481                         clock-output-names = "cko1_rtc",
 482                                              "cko2_rtc",
 483                                              "cko3_rtc";
 484                 };
 485         };
 486 };
 487
 488 #include "axp809.dtsi"
 489
 490 &uart0 {
 491         pinctrl-names = "default";
 492         pinctrl-0 = <&uart0_ph_pins>;
 493         status = "okay";
 494 };
 495
 496 &usbphy1 {
 497         phy-supply = <&reg_usb1_vbus>;
 498         status = "okay";
 499 };
 500
 501 &usbphy2 {
 502         phy-supply = <&reg_bldo4>;
 503         /* Enable if HSIC peripheral is connected */
 504         status = "disabled";
 505 };
 506
 507 &usbphy3 {
 508         phy-supply = <&reg_usb3_vbus>;
 509         status = "okay";
 510 };