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
  66                 green {
  67                         label = "cubieboard4:green:usr";
  68                         gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
  69                 };
  70
  71                 red {
  72                         label = "cubieboard4:red:usr";
  73                         gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  74                 };
  75         };
  76
  77         wifi_pwrseq: wifi-pwrseq {
  78                 compatible = "mmc-pwrseq-simple";
  79                 clocks = <&ac100_rtc 1>;
  80                 clock-names = "ext_clock";
  81                 /* enables internal regulator and de-asserts reset */
  82                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
  83         };
  84 };
  85
  86 &mmc0 {
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&mmc0_pins>;
  89         vmmc-supply = <&reg_dcdc1>;
  90         bus-width = <4>;
  91         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
  92         cd-inverted;
  93         status = "okay";
  94 };
  95
  96 &mmc1 {
  97         pinctrl-names = "default";
  98         pinctrl-0 = <&mmc1_pins>;
  99         vmmc-supply = <&reg_dldo1>;
 100         vqmmc-supply = <&reg_cldo3>;
 101         mmc-pwrseq = <&wifi_pwrseq>;
 102         bus-width = <4>;
 103         non-removable;
 104         status = "okay";
 105 };
 106
 107 &mmc1_pins {
 108         bias-pull-up;
 109 };
 110
 111 &mmc2 {
 112         pinctrl-names = "default";
 113         pinctrl-0 = <&mmc2_8bit_pins>;
 114         vmmc-supply = <&reg_dcdc1>;
 115         bus-width = <8>;
 116         non-removable;
 117         cap-mmc-hw-reset;
 118         status = "okay";
 119 };
 120
 121 &mmc2_8bit_pins {
 122         /* Increase drive strength for DDR modes */
 123         drive-strength = <40>;
 124 };
 125
 126 &osc32k {
 127         /* osc32k input is from AC100 */
 128         clocks = <&ac100_rtc 0>;
 129 };
 130
 131 &r_ir {
 132         status = "okay";
 133 };
 134
 135 &r_rsb {
 136         status = "okay";
 137
 138         axp809: pmic@3a3 {
 139                 reg = <0x3a3>;
 140                 interrupt-parent = <&nmi_intc>;
 141                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 142
 143                 regulators {
 144                         reg_aldo1: aldo1 {
 145                                 /*
 146                                  * TODO: This should be handled by the
 147                                  * USB PHY driver.
 148                                  */
 149                                 regulator-always-on;
 150                                 regulator-min-microvolt = <3000000>;
 151                                 regulator-max-microvolt = <3000000>;
 152                                 regulator-name = "vcc33-usbh";
 153                         };
 154
 155                         reg_aldo2: aldo2 {
 156                                 regulator-min-microvolt = <1800000>;
 157                                 regulator-max-microvolt = <1800000>;
 158                                 regulator-name = "vcc-pb-io-cam";
 159                         };
 160
 161                         aldo3 {
 162                                 /* unused */
 163                         };
 164
 165                         reg_dc5ldo: dc5ldo {
 166                                 regulator-always-on;
 167                                 regulator-min-microvolt = <800000>;
 168                                 regulator-max-microvolt = <1100000>;
 169                                 regulator-name = "vdd-cpus-09-usbh";
 170                         };
 171
 172                         reg_dcdc1: dcdc1 {
 173                                 regulator-always-on;
 174                                 regulator-min-microvolt = <3000000>;
 175                                 regulator-max-microvolt = <3000000>;
 176                                 regulator-name = "vcc-3v";
 177                         };
 178
 179                         reg_dcdc2: dcdc2 {
 180                                 regulator-min-microvolt = <800000>;
 181                                 regulator-max-microvolt = <1100000>;
 182                                 regulator-name = "vdd-gpu";
 183                         };
 184
 185                         reg_dcdc3: dcdc3 {
 186                                 regulator-always-on;
 187                                 regulator-min-microvolt = <800000>;
 188                                 regulator-max-microvolt = <1100000>;
 189                                 regulator-name = "vdd-cpua";
 190                         };
 191
 192                         reg_dcdc4: dcdc4 {
 193                                 regulator-always-on;
 194                                 regulator-min-microvolt = <800000>;
 195                                 regulator-max-microvolt = <1100000>;
 196                                 regulator-name = "vdd-sys-usb0-hdmi";
 197                         };
 198
 199                         reg_dcdc5: dcdc5 {
 200                                 regulator-always-on;
 201                                 regulator-min-microvolt = <1425000>;
 202                                 regulator-max-microvolt = <1575000>;
 203                                 regulator-name = "vcc-dram";
 204                         };
 205
 206                         reg_dldo1: dldo1 {
 207                                 /*
 208                                  * The WiFi chip supports a wide range
 209                                  * (3.0 ~ 4.8V) of voltages, and so does
 210                                  * this regulator (3.0 ~ 4.2V), but
 211                                  * Allwinner SDK always sets it to 3.3V.
 212                                  */
 213                                 regulator-min-microvolt = <3300000>;
 214                                 regulator-max-microvolt = <3300000>;
 215                                 regulator-name = "vcc-wifi";
 216                         };
 217
 218                         reg_dldo2: dldo2 {
 219                                 regulator-always-on;
 220                                 regulator-min-microvolt = <3000000>;
 221                                 regulator-max-microvolt = <3000000>;
 222                                 regulator-name = "vcc-pl";
 223                         };
 224
 225                         reg_eldo1: eldo1 {
 226                                 regulator-min-microvolt = <1200000>;
 227                                 regulator-max-microvolt = <1200000>;
 228                                 regulator-name = "vcc-dvdd-cam";
 229                         };
 230
 231                         reg_eldo2: eldo2 {
 232                                 regulator-min-microvolt = <1800000>;
 233                                 regulator-max-microvolt = <1800000>;
 234                                 regulator-name = "vcc-pe";
 235                         };
 236
 237                         reg_eldo3: eldo3 {
 238                                 regulator-always-on;
 239                                 regulator-min-microvolt = <3000000>;
 240                                 regulator-max-microvolt = <3000000>;
 241                                 regulator-name = "vcc-pm-codec-io1";
 242                         };
 243
 244                         reg_ldo_io0: ldo_io0 {
 245                                 regulator-always-on;
 246                                 regulator-min-microvolt = <3000000>;
 247                                 regulator-max-microvolt = <3000000>;
 248                                 regulator-name = "vcc-pg";
 249                         };
 250
 251                         reg_ldo_io1: ldo_io1 {
 252                                 regulator-min-microvolt = <2500000>;
 253                                 regulator-max-microvolt = <2500000>;
 254                                 regulator-name = "vcc-pa-gmac-2v5";
 255                         };
 256
 257                         reg_rtc_ldo: rtc_ldo {
 258                                 regulator-name = "vcc-rtc-vdd1v8-io";
 259                         };
 260
 261                         sw {
 262                                 /* unused */
 263                         };
 264                 };
 265         };
 266
 267         axp806: pmic@745 {
 268                 compatible = "x-powers,axp806";
 269                 reg = <0x745>;
 270                 interrupt-parent = <&nmi_intc>;
 271                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 272                 interrupt-controller;
 273                 #interrupt-cells = <1>;
 274                 bldoin-supply = <&reg_dcdce>;
 275
 276                 regulators {
 277                         reg_s_aldo1: aldo1 {
 278                                 regulator-always-on;
 279                                 regulator-min-microvolt = <3000000>;
 280                                 regulator-max-microvolt = <3000000>;
 281                                 regulator-name = "avcc";
 282                         };
 283
 284                         aldo2 {
 285                                 /*
 286                                  * unused, but use a different name to
 287                                  * avoid name clash with axp809's aldo's
 288                                  */
 289                                 regulator-name = "s_aldo2";
 290                         };
 291
 292                         aldo3 {
 293                                 /*
 294                                  * unused, but use a different name to
 295                                  * avoid name clash with axp809's aldo's
 296                                  */
 297                                 regulator-name = "s_aldo3";
 298                         };
 299
 300                         reg_bldo1: bldo1 {
 301                                 regulator-always-on;
 302                                 regulator-min-microvolt = <1700000>;
 303                                 regulator-max-microvolt = <1900000>;
 304                                 regulator-name = "vcc18-efuse-adc-display-csi";
 305                         };
 306
 307                         reg_bldo2: bldo2 {
 308                                 regulator-always-on;
 309                                 regulator-min-microvolt = <1700000>;
 310                                 regulator-max-microvolt = <1900000>;
 311                                 regulator-name =
 312                                         "vdd18-drampll-vcc18-pll-cpvdd";
 313                         };
 314
 315                         bldo3 {
 316                                 /* unused */
 317                         };
 318
 319                         reg_bldo4: bldo4 {
 320                                 regulator-min-microvolt = <1100000>;
 321                                 regulator-max-microvolt = <1300000>;
 322                                 regulator-name = "vcc12-hsic";
 323                         };
 324
 325                         reg_cldo1: cldo1 {
 326                                 /*
 327                                  * This was 3V in the original design, but
 328                                  * 3.3V is the recommended supply voltage
 329                                  * for the Ethernet PHY.
 330                                  */
 331                                 regulator-min-microvolt = <3300000>;
 332                                 regulator-max-microvolt = <3300000>;
 333                                 regulator-name = "vcc-gmac-phy";
 334                         };
 335
 336                         reg_cldo2: cldo2 {
 337                                 regulator-min-microvolt = <2800000>;
 338                                 regulator-max-microvolt = <2800000>;
 339                                 regulator-name = "afvcc-cam";
 340                         };
 341
 342                         reg_cldo3: cldo3 {
 343                                 regulator-min-microvolt = <3000000>;
 344                                 regulator-max-microvolt = <3000000>;
 345                                 regulator-name = "vcc-io-wifi-codec-io2";
 346                         };
 347
 348                         reg_dcdca: dcdca {
 349                                 regulator-always-on;
 350                                 regulator-min-microvolt = <800000>;
 351                                 regulator-max-microvolt = <1100000>;
 352                                 regulator-name = "vdd-cpub";
 353                         };
 354
 355                         reg_dcdcd: dcdcd {
 356                                 regulator-always-on;
 357                                 regulator-min-microvolt = <800000>;
 358                                 regulator-max-microvolt = <1100000>;
 359                                 regulator-name = "vdd-vpu";
 360                         };
 361
 362                         reg_dcdce: dcdce {
 363                                 regulator-always-on;
 364                                 regulator-min-microvolt = <2100000>;
 365                                 regulator-max-microvolt = <2100000>;
 366                                 regulator-name = "vcc-bldo-codec-ldoin";
 367                         };
 368
 369                         sw {
 370                                 /*
 371                                  * unused, but use a different name to
 372                                  * avoid name clash with axp809's sw
 373                                  */
 374                                 regulator-name = "s_sw";
 375                         };
 376                 };
 377         };
 378
 379         ac100: codec@e89 {
 380                 compatible = "x-powers,ac100";
 381                 reg = <0xe89>;
 382
 383                 ac100_codec: codec {
 384                         compatible = "x-powers,ac100-codec";
 385                         interrupt-parent = <&r_pio>;
 386                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 387                         #clock-cells = <0>;
 388                         clock-output-names = "4M_adda";
 389                 };
 390
 391                 ac100_rtc: rtc {
 392                         compatible = "x-powers,ac100-rtc";
 393                         interrupt-parent = <&nmi_intc>;
 394                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 395                         clocks = <&ac100_codec>;
 396                         #clock-cells = <1>;
 397                         clock-output-names = "cko1_rtc",
 398                                              "cko2_rtc",
 399                                              "cko3_rtc";
 400                 };
 401         };
 402 };
 403
 404 #include "axp809.dtsi"
 405
 406 &uart0 {
 407         pinctrl-names = "default";
 408         pinctrl-0 = <&uart0_ph_pins>;
 409         status = "okay";
 410 };