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 #include <dt-bindings/pinctrl/sun4i-a10.h>
  51
  52 / {
  53         model = "Cubietech Cubieboard4";
  54         compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
  55
  56         aliases {
  57                 serial0 = &uart0;
  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_cubieboard4>;
  68
  69                 green {
  70                         label = "cubieboard4:green:usr";
  71                         gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
  72                 };
  73
  74                 red {
  75                         label = "cubieboard4:red:usr";
  76                         gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  77                 };
  78         };
  79
  80         wifi_pwrseq: wifi_pwrseq {
  81                 compatible = "mmc-pwrseq-simple";
  82                 clocks = <&ac100_rtc 1>;
  83                 clock-names = "ext_clock";
  84                 /* enables internal regulator and de-asserts reset */
  85                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
  86         };
  87 };
  88
  89 &mmc0 {
  90         pinctrl-names = "default";
  91         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
  92         vmmc-supply = <&reg_dcdc1>;
  93         bus-width = <4>;
  94         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
  95         cd-inverted;
  96         status = "okay";
  97 };
  98
  99 &mmc1 {
 100         pinctrl-names = "default";
 101         pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_cubieboard4>;
 102         vmmc-supply = <&reg_dldo1>;
 103         vqmmc-supply = <&reg_cldo3>;
 104         mmc-pwrseq = <&wifi_pwrseq>;
 105         bus-width = <4>;
 106         non-removable;
 107         status = "okay";
 108 };
 109
 110 &mmc1_pins {
 111         bias-pull-up;
 112 };
 113
 114 &mmc2 {
 115         pinctrl-names = "default";
 116         pinctrl-0 = <&mmc2_8bit_pins>;
 117         vmmc-supply = <&reg_dcdc1>;
 118         bus-width = <8>;
 119         non-removable;
 120         cap-mmc-hw-reset;
 121         status = "okay";
 122 };
 123
 124 &mmc2_8bit_pins {
 125         /* Increase drive strength for DDR modes */
 126         drive-strength = <40>;
 127 };
 128
 129 &osc32k {
 130         /* osc32k input is from AC100 */
 131         clocks = <&ac100_rtc 0>;
 132 };
 133
 134 &pio {
 135         led_pins_cubieboard4: led-pins@0 {
 136                 pins = "PH6", "PH17";
 137                 function = "gpio_out";
 138         };
 139
 140         mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
 141                 pins = "PH18";
 142                 function = "gpio_in";
 143                 bias-pull-up;
 144         };
 145 };
 146
 147 &r_ir {
 148         status = "okay";
 149 };
 150
 151 &r_pio {
 152         wifi_en_pin_cubieboard4: wifi_en_pin@0 {
 153                 pins = "PL2";
 154                 function = "gpio_out";
 155         };
 156 };
 157
 158 &r_rsb {
 159         status = "okay";
 160
 161         axp809: pmic@3a3 {
 162                 reg = <0x3a3>;
 163                 interrupt-parent = <&nmi_intc>;
 164                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 165
 166                 regulators {
 167                         reg_aldo1: aldo1 {
 168                                 /*
 169                                  * TODO: This should be handled by the
 170                                  * USB PHY driver.
 171                                  */
 172                                 regulator-always-on;
 173                                 regulator-min-microvolt = <3000000>;
 174                                 regulator-max-microvolt = <3000000>;
 175                                 regulator-name = "vcc33-usbh";
 176                         };
 177
 178                         reg_aldo2: aldo2 {
 179                                 regulator-min-microvolt = <1800000>;
 180                                 regulator-max-microvolt = <1800000>;
 181                                 regulator-name = "vcc-pb-io-cam";
 182                         };
 183
 184                         aldo3 {
 185                                 /* unused */
 186                         };
 187
 188                         reg_dc5ldo: dc5ldo {
 189                                 regulator-always-on;
 190                                 regulator-min-microvolt = <800000>;
 191                                 regulator-max-microvolt = <1100000>;
 192                                 regulator-name = "vdd-cpus-09-usbh";
 193                         };
 194
 195                         reg_dcdc1: dcdc1 {
 196                                 regulator-always-on;
 197                                 regulator-min-microvolt = <3000000>;
 198                                 regulator-max-microvolt = <3000000>;
 199                                 regulator-name = "vcc-3v";
 200                         };
 201
 202                         reg_dcdc2: dcdc2 {
 203                                 regulator-min-microvolt = <800000>;
 204                                 regulator-max-microvolt = <1100000>;
 205                                 regulator-name = "vdd-gpu";
 206                         };
 207
 208                         reg_dcdc3: dcdc3 {
 209                                 regulator-always-on;
 210                                 regulator-min-microvolt = <800000>;
 211                                 regulator-max-microvolt = <1100000>;
 212                                 regulator-name = "vdd-cpua";
 213                         };
 214
 215                         reg_dcdc4: dcdc4 {
 216                                 regulator-always-on;
 217                                 regulator-min-microvolt = <800000>;
 218                                 regulator-max-microvolt = <1100000>;
 219                                 regulator-name = "vdd-sys-usb0-hdmi";
 220                         };
 221
 222                         reg_dcdc5: dcdc5 {
 223                                 regulator-always-on;
 224                                 regulator-min-microvolt = <1425000>;
 225                                 regulator-max-microvolt = <1575000>;
 226                                 regulator-name = "vcc-dram";
 227                         };
 228
 229                         reg_dldo1: dldo1 {
 230                                 /*
 231                                  * The WiFi chip supports a wide range
 232                                  * (3.0 ~ 4.8V) of voltages, and so does
 233                                  * this regulator (3.0 ~ 4.2V), but
 234                                  * Allwinner SDK always sets it to 3.3V.
 235                                  */
 236                                 regulator-min-microvolt = <3300000>;
 237                                 regulator-max-microvolt = <3300000>;
 238                                 regulator-name = "vcc-wifi";
 239                         };
 240
 241                         reg_dldo2: dldo2 {
 242                                 regulator-always-on;
 243                                 regulator-min-microvolt = <3000000>;
 244                                 regulator-max-microvolt = <3000000>;
 245                                 regulator-name = "vcc-pl";
 246                         };
 247
 248                         reg_eldo1: eldo1 {
 249                                 regulator-min-microvolt = <1200000>;
 250                                 regulator-max-microvolt = <1200000>;
 251                                 regulator-name = "vcc-dvdd-cam";
 252                         };
 253
 254                         reg_eldo2: eldo2 {
 255                                 regulator-min-microvolt = <1800000>;
 256                                 regulator-max-microvolt = <1800000>;
 257                                 regulator-name = "vcc-pe";
 258                         };
 259
 260                         reg_eldo3: eldo3 {
 261                                 regulator-always-on;
 262                                 regulator-min-microvolt = <3000000>;
 263                                 regulator-max-microvolt = <3000000>;
 264                                 regulator-name = "vcc-pm-codec-io1";
 265                         };
 266
 267                         reg_ldo_io0: ldo_io0 {
 268                                 regulator-always-on;
 269                                 regulator-min-microvolt = <3000000>;
 270                                 regulator-max-microvolt = <3000000>;
 271                                 regulator-name = "vcc-pg";
 272                         };
 273
 274                         reg_ldo_io1: ldo_io1 {
 275                                 regulator-min-microvolt = <2500000>;
 276                                 regulator-max-microvolt = <2500000>;
 277                                 regulator-name = "vcc-pa-gmac-2v5";
 278                         };
 279
 280                         reg_rtc_ldo: rtc_ldo {
 281                                 regulator-name = "vcc-rtc-vdd1v8-io";
 282                         };
 283
 284                         sw {
 285                                 /* unused */
 286                         };
 287                 };
 288         };
 289
 290         axp806: pmic@745 {
 291                 compatible = "x-powers,axp806";
 292                 reg = <0x745>;
 293                 interrupt-parent = <&nmi_intc>;
 294                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 295                 interrupt-controller;
 296                 #interrupt-cells = <1>;
 297                 bldoin-supply = <&reg_dcdce>;
 298
 299                 regulators {
 300                         reg_s_aldo1: aldo1 {
 301                                 regulator-always-on;
 302                                 regulator-min-microvolt = <3000000>;
 303                                 regulator-max-microvolt = <3000000>;
 304                                 regulator-name = "avcc";
 305                         };
 306
 307                         aldo2 {
 308                                 /*
 309                                  * unused, but use a different name to
 310                                  * avoid name clash with axp809's aldo's
 311                                  */
 312                                 regulator-name = "s_aldo2";
 313                         };
 314
 315                         aldo3 {
 316                                 /*
 317                                  * unused, but use a different name to
 318                                  * avoid name clash with axp809's aldo's
 319                                  */
 320                                 regulator-name = "s_aldo3";
 321                         };
 322
 323                         reg_bldo1: bldo1 {
 324                                 regulator-always-on;
 325                                 regulator-min-microvolt = <1700000>;
 326                                 regulator-max-microvolt = <1900000>;
 327                                 regulator-name = "vcc18-efuse-adc-display-csi";
 328                         };
 329
 330                         reg_bldo2: bldo2 {
 331                                 regulator-always-on;
 332                                 regulator-min-microvolt = <1700000>;
 333                                 regulator-max-microvolt = <1900000>;
 334                                 regulator-name =
 335                                         "vdd18-drampll-vcc18-pll-cpvdd";
 336                         };
 337
 338                         bldo3 {
 339                                 /* unused */
 340                         };
 341
 342                         reg_bldo4: bldo4 {
 343                                 regulator-min-microvolt = <1100000>;
 344                                 regulator-max-microvolt = <1300000>;
 345                                 regulator-name = "vcc12-hsic";
 346                         };
 347
 348                         reg_cldo1: cldo1 {
 349                                 /*
 350                                  * This was 3V in the original design, but
 351                                  * 3.3V is the recommended supply voltage
 352                                  * for the Ethernet PHY.
 353                                  */
 354                                 regulator-min-microvolt = <3300000>;
 355                                 regulator-max-microvolt = <3300000>;
 356                                 regulator-name = "vcc-gmac-phy";
 357                         };
 358
 359                         reg_cldo2: cldo2 {
 360                                 regulator-min-microvolt = <2800000>;
 361                                 regulator-max-microvolt = <2800000>;
 362                                 regulator-name = "afvcc-cam";
 363                         };
 364
 365                         reg_cldo3: cldo3 {
 366                                 regulator-min-microvolt = <3000000>;
 367                                 regulator-max-microvolt = <3000000>;
 368                                 regulator-name = "vcc-io-wifi-codec-io2";
 369                         };
 370
 371                         reg_dcdca: dcdca {
 372                                 regulator-always-on;
 373                                 regulator-min-microvolt = <800000>;
 374                                 regulator-max-microvolt = <1100000>;
 375                                 regulator-name = "vdd-cpub";
 376                         };
 377
 378                         reg_dcdcd: dcdcd {
 379                                 regulator-always-on;
 380                                 regulator-min-microvolt = <800000>;
 381                                 regulator-max-microvolt = <1100000>;
 382                                 regulator-name = "vdd-vpu";
 383                         };
 384
 385                         reg_dcdce: dcdce {
 386                                 regulator-always-on;
 387                                 regulator-min-microvolt = <2100000>;
 388                                 regulator-max-microvolt = <2100000>;
 389                                 regulator-name = "vcc-bldo-codec-ldoin";
 390                         };
 391
 392                         sw {
 393                                 /*
 394                                  * unused, but use a different name to
 395                                  * avoid name clash with axp809's sw
 396                                  */
 397                                 regulator-name = "s_sw";
 398                         };
 399                 };
 400         };
 401
 402         ac100: codec@e89 {
 403                 compatible = "x-powers,ac100";
 404                 reg = <0xe89>;
 405
 406                 ac100_codec: codec {
 407                         compatible = "x-powers,ac100-codec";
 408                         interrupt-parent = <&r_pio>;
 409                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 410                         #clock-cells = <0>;
 411                         clock-output-names = "4M_adda";
 412                 };
 413
 414                 ac100_rtc: rtc {
 415                         compatible = "x-powers,ac100-rtc";
 416                         interrupt-parent = <&nmi_intc>;
 417                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 418                         clocks = <&ac100_codec>;
 419                         #clock-cells = <1>;
 420                         clock-output-names = "cko1_rtc",
 421                                              "cko2_rtc",
 422                                              "cko3_rtc";
 423                 };
 424         };
 425 };
 426
 427 #include "axp809.dtsi"
 428
 429 &uart0 {
 430         pinctrl-names = "default";
 431         pinctrl-0 = <&uart0_pins_a>;
 432         status = "okay";
 433 };