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         allwinner,pull = <SUN4I_PINCTRL_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         allwinner,drive = <SUN4I_PINCTRL_40_MA>;
 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                 allwinner,pins = "PH6", "PH17";
 137                 allwinner,function = "gpio_out";
 138                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 139                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 140         };
 141
 142         mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
 143                 allwinner,pins = "PH18";
 144                 allwinner,function = "gpio_in";
 145                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 146                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 147         };
 148 };
 149
 150 &r_ir {
 151         status = "okay";
 152 };
 153
 154 &r_pio {
 155         wifi_en_pin_cubieboard4: wifi_en_pin@0 {
 156                 allwinner,pins = "PL2";
 157                 allwinner,function = "gpio_out";
 158                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 159                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 160         };
 161 };
 162
 163 &r_rsb {
 164         status = "okay";
 165
 166         axp809: pmic@3a3 {
 167                 reg = <0x3a3>;
 168                 interrupt-parent = <&nmi_intc>;
 169                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 170
 171                 regulators {
 172                         reg_aldo1: aldo1 {
 173                                 /*
 174                                  * TODO: This should be handled by the
 175                                  * USB PHY driver.
 176                                  */
 177                                 regulator-always-on;
 178                                 regulator-min-microvolt = <3000000>;
 179                                 regulator-max-microvolt = <3000000>;
 180                                 regulator-name = "vcc33-usbh";
 181                         };
 182
 183                         reg_aldo2: aldo2 {
 184                                 regulator-min-microvolt = <1800000>;
 185                                 regulator-max-microvolt = <1800000>;
 186                                 regulator-name = "vcc-pb-io-cam";
 187                         };
 188
 189                         aldo3 {
 190                                 /* unused */
 191                         };
 192
 193                         reg_dc5ldo: dc5ldo {
 194                                 regulator-always-on;
 195                                 regulator-min-microvolt = <800000>;
 196                                 regulator-max-microvolt = <1100000>;
 197                                 regulator-name = "vdd-cpus-09-usbh";
 198                         };
 199
 200                         reg_dcdc1: dcdc1 {
 201                                 regulator-always-on;
 202                                 regulator-min-microvolt = <3000000>;
 203                                 regulator-max-microvolt = <3000000>;
 204                                 regulator-name = "vcc-3v";
 205                         };
 206
 207                         reg_dcdc2: dcdc2 {
 208                                 regulator-min-microvolt = <800000>;
 209                                 regulator-max-microvolt = <1100000>;
 210                                 regulator-name = "vdd-gpu";
 211                         };
 212
 213                         reg_dcdc3: dcdc3 {
 214                                 regulator-always-on;
 215                                 regulator-min-microvolt = <800000>;
 216                                 regulator-max-microvolt = <1100000>;
 217                                 regulator-name = "vdd-cpua";
 218                         };
 219
 220                         reg_dcdc4: dcdc4 {
 221                                 regulator-always-on;
 222                                 regulator-min-microvolt = <800000>;
 223                                 regulator-max-microvolt = <1100000>;
 224                                 regulator-name = "vdd-sys-usb0-hdmi";
 225                         };
 226
 227                         reg_dcdc5: dcdc5 {
 228                                 regulator-always-on;
 229                                 regulator-min-microvolt = <1425000>;
 230                                 regulator-max-microvolt = <1575000>;
 231                                 regulator-name = "vcc-dram";
 232                         };
 233
 234                         reg_dldo1: dldo1 {
 235                                 /*
 236                                  * The WiFi chip supports a wide range
 237                                  * (3.0 ~ 4.8V) of voltages, and so does
 238                                  * this regulator (3.0 ~ 4.2V), but
 239                                  * Allwinner SDK always sets it to 3.3V.
 240                                  */
 241                                 regulator-min-microvolt = <3300000>;
 242                                 regulator-max-microvolt = <3300000>;
 243                                 regulator-name = "vcc-wifi";
 244                         };
 245
 246                         reg_dldo2: dldo2 {
 247                                 regulator-always-on;
 248                                 regulator-min-microvolt = <3000000>;
 249                                 regulator-max-microvolt = <3000000>;
 250                                 regulator-name = "vcc-pl";
 251                         };
 252
 253                         reg_eldo1: eldo1 {
 254                                 regulator-min-microvolt = <1200000>;
 255                                 regulator-max-microvolt = <1200000>;
 256                                 regulator-name = "vcc-dvdd-cam";
 257                         };
 258
 259                         reg_eldo2: eldo2 {
 260                                 regulator-min-microvolt = <1800000>;
 261                                 regulator-max-microvolt = <1800000>;
 262                                 regulator-name = "vcc-pe";
 263                         };
 264
 265                         reg_eldo3: eldo3 {
 266                                 regulator-always-on;
 267                                 regulator-min-microvolt = <3000000>;
 268                                 regulator-max-microvolt = <3000000>;
 269                                 regulator-name = "vcc-pm-codec-io1";
 270                         };
 271
 272                         reg_ldo_io0: ldo_io0 {
 273                                 regulator-always-on;
 274                                 regulator-min-microvolt = <3000000>;
 275                                 regulator-max-microvolt = <3000000>;
 276                                 regulator-name = "vcc-pg";
 277                         };
 278
 279                         reg_ldo_io1: ldo_io1 {
 280                                 regulator-min-microvolt = <2500000>;
 281                                 regulator-max-microvolt = <2500000>;
 282                                 regulator-name = "vcc-pa-gmac-2v5";
 283                         };
 284
 285                         reg_rtc_ldo: rtc_ldo {
 286                                 regulator-name = "vcc-rtc-vdd1v8-io";
 287                         };
 288
 289                         sw {
 290                                 /* unused */
 291                         };
 292                 };
 293         };
 294
 295         axp806: pmic@745 {
 296                 compatible = "x-powers,axp806";
 297                 reg = <0x745>;
 298                 interrupt-parent = <&nmi_intc>;
 299                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 300                 interrupt-controller;
 301                 #interrupt-cells = <1>;
 302                 bldoin-supply = <&reg_dcdce>;
 303
 304                 regulators {
 305                         reg_s_aldo1: aldo1 {
 306                                 regulator-always-on;
 307                                 regulator-min-microvolt = <3000000>;
 308                                 regulator-max-microvolt = <3000000>;
 309                                 regulator-name = "avcc";
 310                         };
 311
 312                         aldo2 {
 313                                 /*
 314                                  * unused, but use a different name to
 315                                  * avoid name clash with axp809's aldo's
 316                                  */
 317                                 regulator-name = "s_aldo2";
 318                         };
 319
 320                         aldo3 {
 321                                 /*
 322                                  * unused, but use a different name to
 323                                  * avoid name clash with axp809's aldo's
 324                                  */
 325                                 regulator-name = "s_aldo3";
 326                         };
 327
 328                         reg_bldo1: bldo1 {
 329                                 regulator-always-on;
 330                                 regulator-min-microvolt = <1700000>;
 331                                 regulator-max-microvolt = <1900000>;
 332                                 regulator-name = "vcc18-efuse-adc-display-csi";
 333                         };
 334
 335                         reg_bldo2: bldo2 {
 336                                 regulator-always-on;
 337                                 regulator-min-microvolt = <1700000>;
 338                                 regulator-max-microvolt = <1900000>;
 339                                 regulator-name =
 340                                         "vdd18-drampll-vcc18-pll-cpvdd";
 341                         };
 342
 343                         bldo3 {
 344                                 /* unused */
 345                         };
 346
 347                         reg_bldo4: bldo4 {
 348                                 regulator-min-microvolt = <1100000>;
 349                                 regulator-max-microvolt = <1300000>;
 350                                 regulator-name = "vcc12-hsic";
 351                         };
 352
 353                         reg_cldo1: cldo1 {
 354                                 /*
 355                                  * This was 3V in the original design, but
 356                                  * 3.3V is the recommended supply voltage
 357                                  * for the Ethernet PHY.
 358                                  */
 359                                 regulator-min-microvolt = <3300000>;
 360                                 regulator-max-microvolt = <3300000>;
 361                                 regulator-name = "vcc-gmac-phy";
 362                         };
 363
 364                         reg_cldo2: cldo2 {
 365                                 regulator-min-microvolt = <2800000>;
 366                                 regulator-max-microvolt = <2800000>;
 367                                 regulator-name = "afvcc-cam";
 368                         };
 369
 370                         reg_cldo3: cldo3 {
 371                                 regulator-min-microvolt = <3000000>;
 372                                 regulator-max-microvolt = <3000000>;
 373                                 regulator-name = "vcc-io-wifi-codec-io2";
 374                         };
 375
 376                         reg_dcdca: dcdca {
 377                                 regulator-always-on;
 378                                 regulator-min-microvolt = <800000>;
 379                                 regulator-max-microvolt = <1100000>;
 380                                 regulator-name = "vdd-cpub";
 381                         };
 382
 383                         reg_dcdcd: dcdcd {
 384                                 regulator-always-on;
 385                                 regulator-min-microvolt = <800000>;
 386                                 regulator-max-microvolt = <1100000>;
 387                                 regulator-name = "vdd-vpu";
 388                         };
 389
 390                         reg_dcdce: dcdce {
 391                                 regulator-always-on;
 392                                 regulator-min-microvolt = <2100000>;
 393                                 regulator-max-microvolt = <2100000>;
 394                                 regulator-name = "vcc-bldo-codec-ldoin";
 395                         };
 396
 397                         sw {
 398                                 /*
 399                                  * unused, but use a different name to
 400                                  * avoid name clash with axp809's sw
 401                                  */
 402                                 regulator-name = "s_sw";
 403                         };
 404                 };
 405         };
 406
 407         ac100: codec@e89 {
 408                 compatible = "x-powers,ac100";
 409                 reg = <0xe89>;
 410
 411                 ac100_codec: codec {
 412                         compatible = "x-powers,ac100-codec";
 413                         interrupt-parent = <&r_pio>;
 414                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
 415                         #clock-cells = <0>;
 416                         clock-output-names = "4M_adda";
 417                 };
 418
 419                 ac100_rtc: rtc {
 420                         compatible = "x-powers,ac100-rtc";
 421                         interrupt-parent = <&nmi_intc>;
 422                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 423                         clocks = <&ac100_codec>;
 424                         #clock-cells = <1>;
 425                         clock-output-names = "cko1_rtc",
 426                                              "cko2_rtc",
 427                                              "cko3_rtc";
 428                 };
 429         };
 430 };
 431
 432 #include "axp809.dtsi"
 433
 434 &uart0 {
 435         pinctrl-names = "default";
 436         pinctrl-0 = <&uart0_pins_a>;
 437         status = "okay";
 438 };