arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts

   1 /*
   2  * Copyright 2015 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 "sun8i-a83t.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49
  50 / {
  51         model = "Cubietech Cubietruck Plus";
  52         compatible = "cubietech,cubietruck-plus", "allwinner,sun8i-a83t";
  53
  54         aliases {
  55                 serial0 = &uart0;
  56         };
  57
  58         chosen {
  59                 stdout-path = "serial0:115200n8";
  60         };
  61
  62         leds {
  63                 compatible = "gpio-leds";
  64
  65                 blue {
  66                         label = "cubietruck-plus:blue:usr";
  67                         gpios = <&pio 3 25 GPIO_ACTIVE_HIGH>; /* PD25 */
  68                 };
  69
  70                 orange {
  71                         label = "cubietruck-plus:orange:usr";
  72                         gpios = <&pio 3 26 GPIO_ACTIVE_HIGH>; /* PD26 */
  73                 };
  74
  75                 white {
  76                         label = "cubietruck-plus:white:usr";
  77                         gpios = <&pio 3 27 GPIO_ACTIVE_HIGH>; /* PD27 */
  78                 };
  79
  80                 green {
  81                         label = "cubietruck-plus:green:usr";
  82                         gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */
  83                 };
  84         };
  85
  86         usb-hub {
  87                 /* I2C is not connected */
  88                 compatible = "smsc,usb3503";
  89                 initial-mode = <1>; /* initialize in HUB mode */
  90                 disabled-ports = <1>;
  91                 intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
  92                 reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
  93                 connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
  94                 refclk-frequency = <19200000>;
  95         };
  96
  97         reg_usb1_vbus: reg-usb1-vbus {
  98                 compatible = "regulator-fixed";
  99                 regulator-name = "usb1-vbus";
 100                 regulator-min-microvolt = <5000000>;
 101                 regulator-max-microvolt = <5000000>;
 102                 regulator-boot-on;
 103                 enable-active-high;
 104                 gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
 105         };
 106
 107         reg_usb2_vbus: reg-usb2-vbus {
 108                 compatible = "regulator-fixed";
 109                 regulator-name = "usb2-vbus";
 110                 regulator-min-microvolt = <5000000>;
 111                 regulator-max-microvolt = <5000000>;
 112                 regulator-boot-on;
 113                 enable-active-high;
 114                 gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 115         };
 116
 117         sound {
 118                 compatible = "simple-audio-card";
 119                 simple-audio-card,name = "On-board SPDIF";
 120
 121                 simple-audio-card,cpu {
 122                         sound-dai = <&spdif>;
 123                 };
 124
 125                 simple-audio-card,codec {
 126                         sound-dai = <&spdif_out>;
 127                 };
 128         };
 129
 130         spdif_out: spdif-out {
 131                 #sound-dai-cells = <0>;
 132                 compatible = "linux,spdif-dit";
 133         };
 134
 135         wifi_pwrseq: wifi_pwrseq {
 136                 compatible = "mmc-pwrseq-simple";
 137                 clocks = <&ac100_rtc 1>;
 138                 clock-names = "ext_clock";
 139                 /* The WiFi low power clock must be 32768 Hz */
 140                 assigned-clocks = <&ac100_rtc 1>;
 141                 assigned-clock-rates = <32768>;
 142                 /* enables internal regulator and de-asserts reset */
 143                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 144         };
 145 };
 146
 147 &ehci0 {
 148         /* GL830 USB-to-SATA bridge here */
 149         status = "okay";
 150 };
 151
 152 &ehci1 {
 153         /* USB3503 HSIC USB 2.0 hub here */
 154         status = "okay";
 155 };
 156
 157 &mmc0 {
 158         pinctrl-names = "default";
 159         pinctrl-0 = <&mmc0_pins>;
 160         vmmc-supply = <&reg_dcdc1>;
 161         bus-width = <4>;
 162         cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
 163         cd-inverted;
 164         status = "okay";
 165 };
 166
 167 &mmc1 {
 168         vmmc-supply = <&reg_dcdc1>;
 169         vqmmc-supply = <&reg_sw>;
 170         mmc-pwrseq = <&wifi_pwrseq>;
 171         bus-width = <4>;
 172         non-removable;
 173         status = "okay";
 174 };
 175
 176 &mmc2 {
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 179         vmmc-supply = <&reg_dcdc1>;
 180         bus-width = <8>;
 181         non-removable;
 182         cap-mmc-hw-reset;
 183         status = "okay";
 184 };
 185
 186 &r_rsb {
 187         status = "okay";
 188
 189         axp81x: pmic@3a3 {
 190                 compatible = "x-powers,axp818", "x-powers,axp813";
 191                 reg = <0x3a3>;
 192                 interrupt-parent = <&r_intc>;
 193                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 194                 eldoin-supply = <&reg_dcdc1>;
 195                 swin-supply = <&reg_dcdc1>;
 196                 x-powers,drive-vbus-en;
 197         };
 198
 199         ac100: codec@e89 {
 200                 compatible = "x-powers,ac100";
 201                 reg = <0xe89>;
 202
 203                 ac100_codec: codec {
 204                         compatible = "x-powers,ac100-codec";
 205                         interrupt-parent = <&r_pio>;
 206                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
 207                         #clock-cells = <0>;
 208                         clock-output-names = "4M_adda";
 209                 };
 210
 211                 ac100_rtc: rtc {
 212                         compatible = "x-powers,ac100-rtc";
 213                         interrupt-parent = <&r_intc>;
 214                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 215                         clocks = <&ac100_codec>;
 216                         #clock-cells = <1>;
 217                         clock-output-names = "cko1_rtc",
 218                                              "cko2_rtc",
 219                                              "cko3_rtc";
 220                 };
 221         };
 222 };
 223
 224 #include "axp81x.dtsi"
 225
 226 &reg_aldo1 {
 227         regulator-always-on;
 228         regulator-min-microvolt = <1800000>;
 229         regulator-max-microvolt = <1800000>;
 230         regulator-name = "vcc-1v8";
 231 };
 232
 233 &reg_aldo2 {
 234         regulator-always-on;
 235         regulator-min-microvolt = <1800000>;
 236         regulator-max-microvolt = <1800000>;
 237         regulator-name = "dram-pll";
 238 };
 239
 240 &reg_aldo3 {
 241         regulator-always-on;
 242         regulator-min-microvolt = <3000000>;
 243         regulator-max-microvolt = <3000000>;
 244         regulator-name = "avcc";
 245 };
 246
 247 &reg_dcdc1 {
 248         /*
 249          * The schematics say this should be 3.3V, but the FEX file says
 250          * it should be 3V. The latter makes sense, as the WiFi module's
 251          * I/O is indirectly powered from DCDC1, through SW. It is rated
 252          * at 2.98V maximum.
 253          */
 254         regulator-always-on;
 255         regulator-min-microvolt = <3000000>;
 256         regulator-max-microvolt = <3000000>;
 257         regulator-name = "vcc-3v";
 258 };
 259
 260 &reg_dcdc2 {
 261         regulator-always-on;
 262         regulator-min-microvolt = <700000>;
 263         regulator-max-microvolt = <1100000>;
 264         regulator-name = "vdd-cpua";
 265 };
 266
 267 &reg_dcdc3 {
 268         regulator-always-on;
 269         regulator-min-microvolt = <700000>;
 270         regulator-max-microvolt = <1100000>;
 271         regulator-name = "vdd-cpub";
 272 };
 273
 274 &reg_dcdc4 {
 275         regulator-min-microvolt = <700000>;
 276         regulator-max-microvolt = <1100000>;
 277         regulator-name = "vdd-gpu";
 278 };
 279
 280 &reg_dcdc5 {
 281         regulator-always-on;
 282         regulator-min-microvolt = <1500000>;
 283         regulator-max-microvolt = <1500000>;
 284         regulator-name = "vcc-dram";
 285 };
 286
 287 &reg_dcdc6 {
 288         regulator-always-on;
 289         regulator-min-microvolt = <900000>;
 290         regulator-max-microvolt = <900000>;
 291         regulator-name = "vdd-sys";
 292 };
 293
 294 &reg_dldo2 {
 295         regulator-min-microvolt = <3300000>;
 296         regulator-max-microvolt = <3300000>;
 297         regulator-name = "dp-pwr";
 298 };
 299
 300 &reg_dldo3 {
 301         regulator-always-on;
 302         regulator-min-microvolt = <2500000>;
 303         regulator-max-microvolt = <2500000>;
 304         regulator-name = "ephy-io";
 305 };
 306
 307 &reg_dldo4 {
 308         /*
 309          * The PHY requires 20ms after all voltages are applied until core
 310          * logic is ready and 30ms after the reset pin is de-asserted.
 311          * Set a 100ms delay to account for PMIC ramp time and board traces.
 312          */
 313         regulator-enable-ramp-delay = <100000>;
 314         regulator-min-microvolt = <3300000>;
 315         regulator-max-microvolt = <3300000>;
 316         regulator-name = "ephy";
 317 };
 318
 319 &reg_drivevbus {
 320         regulator-name = "usb0-vbus";
 321         status = "okay";
 322 };
 323
 324 &reg_eldo1 {
 325         regulator-min-microvolt = <1200000>;
 326         regulator-max-microvolt = <1200000>;
 327         regulator-name = "dp-bridge-1";
 328 };
 329
 330 &reg_eldo2 {
 331         regulator-min-microvolt = <1200000>;
 332         regulator-max-microvolt = <1200000>;
 333         regulator-name = "dp-bridge-2";
 334 };
 335
 336 &reg_fldo1 {
 337         /* TODO should be handled by USB PHY */
 338         regulator-always-on;
 339         regulator-min-microvolt = <1080000>;
 340         regulator-max-microvolt = <1320000>;
 341         regulator-name = "vdd12-hsic";
 342 };
 343
 344 &reg_fldo2 {
 345         /*
 346          * Despite the embedded CPUs core not being used in any way,
 347          * this must remain on or the system will hang.
 348          */
 349         regulator-always-on;
 350         regulator-min-microvolt = <700000>;
 351         regulator-max-microvolt = <1100000>;
 352         regulator-name = "vdd-cpus";
 353 };
 354
 355 &reg_rtc_ldo {
 356         regulator-name = "vcc-rtc";
 357 };
 358
 359 &reg_sw {
 360         regulator-name = "vcc-wifi-io";
 361 };
 362
 363 &spdif {
 364         status = "okay";
 365 };
 366
 367 &uart0 {
 368         pinctrl-names = "default";
 369         pinctrl-0 = <&uart0_pb_pins>;
 370         status = "okay";
 371 };
 372
 373 &usbphy {
 374         usb1_vbus-supply = <&reg_usb1_vbus>;
 375         usb2_vbus-supply = <&reg_usb2_vbus>;
 376         status = "okay";
 377 };