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