arch/arm/boot/dts/sun9i-a80-cubieboard4.dts

   1 /*
   2  * Copyright 2015 Tyler Baker
   3  *
   4  * Tyler Baker <tyler.baker@linaro.org>
   5  * Chen-Yu Tsai <wens@csie.org>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 /dts-v1/;
  47 #include "sun9i-a80.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50
  51 / {
  52         model = "Cubietech Cubieboard4";
  53         compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
  54
  55         aliases {
  56                 serial0 = &uart0;
  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_cubieboard4>;
  67
  68                 green {
  69                         label = "cubieboard4:green:usr";
  70                         gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
  71                 };
  72
  73                 red {
  74                         label = "cubieboard4:red:usr";
  75                         gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  76                 };
  77         };
  78
  79         wifi_pwrseq: wifi_pwrseq {
  80                 compatible = "mmc-pwrseq-simple";
  81                 clocks = <&ac100_rtc 1>;
  82                 clock-names = "ext_clock";
  83                 /* enables internal regulator and de-asserts reset */
  84                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
  85         };
  86 };
  87
  88 &mmc0 {
  89         pinctrl-names = "default";
  90         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
  91         vmmc-supply = <&reg_dcdc1>;
  92         bus-width = <4>;
  93         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
  94         cd-inverted;
  95         status = "okay";
  96 };
  97
  98 &mmc1 {
  99         pinctrl-names = "default";
 100         pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_cubieboard4>;
 101         vmmc-supply = <&reg_dldo1>;
 102         vqmmc-supply = <&reg_cldo3>;
 103         mmc-pwrseq = <&wifi_pwrseq>;
 104         bus-width = <4>;
 105         non-removable;
 106         status = "okay";
 107 };
 108
 109 &mmc1_pins {
 110         bias-pull-up;
 111 };
 112
 113 &mmc2 {
 114         pinctrl-names = "default";
 115         pinctrl-0 = <&mmc2_8bit_pins>;
 116         vmmc-supply = <&reg_dcdc1>;
 117         bus-width = <8>;
 118         non-removable;
 119         cap-mmc-hw-reset;
 120         status = "okay";
 121 };
 122
 123 &mmc2_8bit_pins {
 124         /* Increase drive strength for DDR modes */
 125         drive-strength = <40>;
 126 };
 127
 128 &osc32k {
 129         /* osc32k input is from AC100 */
 130         clocks = <&ac100_rtc 0>;
 131 };
 132
 133 &pio {
 134         led_pins_cubieboard4: led-pins@0 {
 135                 pins = "PH6", "PH17";
 136                 function = "gpio_out";
 137         };
 138
 139         mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
 140                 pins = "PH18";
 141                 function = "gpio_in";
 142                 bias-pull-up;
 143         };
 144 };
 145
 146 &r_ir {
 147         status = "okay";
 148 };
 149
 150 &r_pio {
 151         wifi_en_pin_cubieboard4: wifi_en_pin@0 {
 152                 pins = "PL2";
 153                 function = "gpio_out";
 154         };
 155 };
 156
 157 &r_rsb {
 158         status = "okay";
 159
 160         axp809: pmic@3a3 {
 161                 reg = <0x3a3>;
 162                 interrupt-parent = <&nmi_intc>;
 163                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 164
 165                 regulators {
 166                         reg_aldo1: aldo1 {
 167                                 /*
 168                                  * TODO: This should be handled by the
 169                                  * USB PHY driver.
 170                                  */
 171                                 regulator-always-on;
 172                                 regulator-min-microvolt = <3000000>;
 173                                 regulator-max-microvolt = <3000000>;
 174                                 regulator-name = "vcc33-usbh";
 175                         };
 176
 177                         reg_aldo2: aldo2 {
 178                                 regulator-min-microvolt = <1800000>;
 179                                 regulator-max-microvolt = <1800000>;
 180                                 regulator-name = "vcc-pb-io-cam";
 181                         };
 182
 183                         aldo3 {
 184                                 /* unused */
 185                         };
 186
 187                         reg_dc5ldo: dc5ldo {
 188                                 regulator-always-on;
 189                                 regulator-min-microvolt = <800000>;
 190                                 regulator-max-microvolt = <1100000>;
 191                                 regulator-name = "vdd-cpus-09-usbh";
 192                         };
 193
 194                         reg_dcdc1: dcdc1 {
 195                                 regulator-always-on;
 196                                 regulator-min-microvolt = <3000000>;
 197                                 regulator-max-microvolt = <3000000>;
 198                                 regulator-name = "vcc-3v";
 199                         };
 200
 201                         reg_dcdc2: dcdc2 {
 202                                 regulator-min-microvolt = <800000>;
 203                                 regulator-max-microvolt = <1100000>;
 204                                 regulator-name = "vdd-gpu";
 205                         };
 206
 207                         reg_dcdc3: dcdc3 {
 208                                 regulator-always-on;
 209                                 regulator-min-microvolt = <800000>;
 210                                 regulator-max-microvolt = <1100000>;
 211                                 regulator-name = "vdd-cpua";
 212                         };
 213
 214                         reg_dcdc4: dcdc4 {
 215                                 regulator-always-on;
 216                                 regulator-min-microvolt = <800000>;
 217                                 regulator-max-microvolt = <1100000>;
 218                                 regulator-name = "vdd-sys-usb0-hdmi";
 219                         };
 220
 221                         reg_dcdc5: dcdc5 {
 222                                 regulator-always-on;
 223                                 regulator-min-microvolt = <1425000>;
 224                                 regulator-max-microvolt = <1575000>;
 225                                 regulator-name = "vcc-dram";
 226                         };
 227
 228                         reg_dldo1: dldo1 {
 229                                 /*
 230                                  * The WiFi chip supports a wide range
 231                                  * (3.0 ~ 4.8V) of voltages, and so does
 232                                  * this regulator (3.0 ~ 4.2V), but
 233                                  * Allwinner SDK always sets it to 3.3V.
 234                                  */
 235                                 regulator-min-microvolt = <3300000>;
 236                                 regulator-max-microvolt = <3300000>;
 237                                 regulator-name = "vcc-wifi";
 238                         };
 239
 240                         reg_dldo2: dldo2 {
 241                                 regulator-always-on;
 242                                 regulator-min-microvolt = <3000000>;
 243                                 regulator-max-microvolt = <3000000>;
 244                                 regulator-name = "vcc-pl";
 245                         };
 246
 247                         reg_eldo1: eldo1 {
 248                                 regulator-min-microvolt = <1200000>;
 249                                 regulator-max-microvolt = <1200000>;
 250                                 regulator-name = "vcc-dvdd-cam";
 251                         };
 252
 253                         reg_eldo2: eldo2 {
 254                                 regulator-min-microvolt = <1800000>;
 255                                 regulator-max-microvolt = <1800000>;
 256                                 regulator-name = "vcc-pe";
 257                         };
 258
 259                         reg_eldo3: eldo3 {
 260                                 regulator-always-on;
 261                                 regulator-min-microvolt = <3000000>;
 262                                 regulator-max-microvolt = <3000000>;
 263                                 regulator-name = "vcc-pm-codec-io1";
 264                         };
 265
 266                         reg_ldo_io0: ldo_io0 {
 267                                 regulator-always-on;
 268                                 regulator-min-microvolt = <3000000>;
 269                                 regulator-max-microvolt = <3000000>;
 270                                 regulator-name = "vcc-pg";
 271                         };
 272
 273                         reg_ldo_io1: ldo_io1 {
 274                                 regulator-min-microvolt = <2500000>;
 275                                 regulator-max-microvolt = <2500000>;
 276                                 regulator-name = "vcc-pa-gmac-2v5";
 277                         };
 278
 279                         reg_rtc_ldo: rtc_ldo {
 280                                 regulator-name = "vcc-rtc-vdd1v8-io";
 281                         };
 282
 283                         sw {
 284                                 /* unused */
 285                         };
 286                 };
 287         };
 288
 289         axp806: pmic@745 {
 290                 compatible = "x-powers,axp806";
 291                 reg = <0x745>;
 292                 interrupt-parent = <&nmi_intc>;
 293                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 294                 interrupt-controller;
 295                 #interrupt-cells = <1>;
 296                 bldoin-supply = <&reg_dcdce>;
 297
 298                 regulators {
 299                         reg_s_aldo1: aldo1 {
 300                                 regulator-always-on;
 301                                 regulator-min-microvolt = <3000000>;
 302                                 regulator-max-microvolt = <3000000>;
 303                                 regulator-name = "avcc";
 304                         };
 305
 306                         aldo2 {
 307                                 /*
 308                                  * unused, but use a different name to
 309                                  * avoid name clash with axp809's aldo's
 310                                  */
 311                                 regulator-name = "s_aldo2";
 312                         };
 313
 314                         aldo3 {
 315                                 /*
 316                                  * unused, but use a different name to
 317                                  * avoid name clash with axp809's aldo's
 318                                  */
 319                                 regulator-name = "s_aldo3";
 320                         };
 321
 322                         reg_bldo1: bldo1 {
 323                                 regulator-always-on;
 324                                 regulator-min-microvolt = <1700000>;
 325                                 regulator-max-microvolt = <1900000>;
 326                                 regulator-name = "vcc18-efuse-adc-display-csi";
 327                         };
 328
 329                         reg_bldo2: bldo2 {
 330                                 regulator-always-on;
 331                                 regulator-min-microvolt = <1700000>;
 332                                 regulator-max-microvolt = <1900000>;
 333                                 regulator-name =
 334                                         "vdd18-drampll-vcc18-pll-cpvdd";
 335                         };
 336
 337                         bldo3 {
 338                                 /* unused */
 339                         };
 340
 341                         reg_bldo4: bldo4 {
 342                                 regulator-min-microvolt = <1100000>;
 343                                 regulator-max-microvolt = <1300000>;
 344                                 regulator-name = "vcc12-hsic";
 345                         };
 346
 347                         reg_cldo1: cldo1 {
 348                                 /*
 349                                  * This was 3V in the original design, but
 350                                  * 3.3V is the recommended supply voltage
 351                                  * for the Ethernet PHY.
 352                                  */
 353                                 regulator-min-microvolt = <3300000>;
 354                                 regulator-max-microvolt = <3300000>;
 355                                 regulator-name = "vcc-gmac-phy";
 356                         };
 357
 358                         reg_cldo2: cldo2 {
 359                                 regulator-min-microvolt = <2800000>;
 360                                 regulator-max-microvolt = <2800000>;
 361                                 regulator-name = "afvcc-cam";
 362                         };
 363
 364                         reg_cldo3: cldo3 {
 365                                 regulator-min-microvolt = <3000000>;
 366                                 regulator-max-microvolt = <3000000>;
 367                                 regulator-name = "vcc-io-wifi-codec-io2";
 368                         };
 369
 370                         reg_dcdca: dcdca {
 371                                 regulator-always-on;
 372                                 regulator-min-microvolt = <800000>;
 373                                 regulator-max-microvolt = <1100000>;
 374                                 regulator-name = "vdd-cpub";
 375                         };
 376
 377                         reg_dcdcd: dcdcd {
 378                                 regulator-always-on;
 379                                 regulator-min-microvolt = <800000>;
 380                                 regulator-max-microvolt = <1100000>;
 381                                 regulator-name = "vdd-vpu";
 382                         };
 383
 384                         reg_dcdce: dcdce {
 385                                 regulator-always-on;
 386                                 regulator-min-microvolt = <2100000>;
 387                                 regulator-max-microvolt = <2100000>;
 388                                 regulator-name = "vcc-bldo-codec-ldoin";
 389                         };
 390
 391                         sw {
 392                                 /*
 393                                  * unused, but use a different name to
 394                                  * avoid name clash with axp809's sw
 395                                  */
 396                                 regulator-name = "s_sw";
 397                         };
 398                 };
 399         };
 400
 401         ac100: codec@e89 {
 402                 compatible = "x-powers,ac100";
 403                 reg = <0xe89>;
 404
 405                 ac100_codec: codec {
 406                         compatible = "x-powers,ac100-codec";
 407                         interrupt-parent = <&r_pio>;
 408                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 409                         #clock-cells = <0>;
 410                         clock-output-names = "4M_adda";
 411                 };
 412
 413                 ac100_rtc: rtc {
 414                         compatible = "x-powers,ac100-rtc";
 415                         interrupt-parent = <&nmi_intc>;
 416                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 417                         clocks = <&ac100_codec>;
 418                         #clock-cells = <1>;
 419                         clock-output-names = "cko1_rtc",
 420                                              "cko2_rtc",
 421                                              "cko3_rtc";
 422                 };
 423         };
 424 };
 425
 426 #include "axp809.dtsi"
 427
 428 &uart0 {
 429         pinctrl-names = "default";
 430         pinctrl-0 = <&uart0_pins_a>;
 431         status = "okay";
 432 };