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                 ethernet0 = &emac;
  56                 serial0 = &uart0;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62
  63         hdmi-connector {
  64                 compatible = "hdmi-connector";
  65                 type = "a";
  66
  67                 port {
  68                         hdmi_con_in: endpoint {
  69                                 remote-endpoint = <&hdmi_out_con>;
  70                         };
  71                 };
  72         };
  73
  74         leds {
  75                 compatible = "gpio-leds";
  76
  77                 blue {
  78                         label = "cubietruck-plus:blue:usr";
  79                         gpios = <&pio 3 25 GPIO_ACTIVE_HIGH>; /* PD25 */
  80                 };
  81
  82                 orange {
  83                         label = "cubietruck-plus:orange:usr";
  84                         gpios = <&pio 3 26 GPIO_ACTIVE_HIGH>; /* PD26 */
  85                 };
  86
  87                 white {
  88                         label = "cubietruck-plus:white:usr";
  89                         gpios = <&pio 3 27 GPIO_ACTIVE_HIGH>; /* PD27 */
  90                 };
  91
  92                 green {
  93                         label = "cubietruck-plus:green:usr";
  94                         gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */
  95                 };
  96         };
  97
  98         usb-hub {
  99                 /* I2C is not connected */
 100                 compatible = "smsc,usb3503";
 101                 initial-mode = <1>; /* initialize in HUB mode */
 102                 disabled-ports = <1>;
 103                 intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 104                 reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */
 105                 connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
 106                 refclk-frequency = <19200000>;
 107         };
 108
 109         reg_usb1_vbus: reg-usb1-vbus {
 110                 compatible = "regulator-fixed";
 111                 regulator-name = "usb1-vbus";
 112                 regulator-min-microvolt = <5000000>;
 113                 regulator-max-microvolt = <5000000>;
 114                 regulator-boot-on;
 115                 enable-active-high;
 116                 gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
 117         };
 118
 119         reg_usb2_vbus: reg-usb2-vbus {
 120                 compatible = "regulator-fixed";
 121                 regulator-name = "usb2-vbus";
 122                 regulator-min-microvolt = <5000000>;
 123                 regulator-max-microvolt = <5000000>;
 124                 regulator-boot-on;
 125                 enable-active-high;
 126                 gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 127         };
 128
 129         sound {
 130                 compatible = "simple-audio-card";
 131                 simple-audio-card,name = "On-board SPDIF";
 132
 133                 simple-audio-card,cpu {
 134                         sound-dai = <&spdif>;
 135                 };
 136
 137                 simple-audio-card,codec {
 138                         sound-dai = <&spdif_out>;
 139                 };
 140         };
 141
 142         spdif_out: spdif-out {
 143                 #sound-dai-cells = <0>;
 144                 compatible = "linux,spdif-dit";
 145         };
 146
 147         wifi_pwrseq: wifi_pwrseq {
 148                 compatible = "mmc-pwrseq-simple";
 149                 clocks = <&ac100_rtc 1>;
 150                 clock-names = "ext_clock";
 151                 /* The WiFi low power clock must be 32768 Hz */
 152                 assigned-clocks = <&ac100_rtc 1>;
 153                 assigned-clock-rates = <32768>;
 154                 /* enables internal regulator and de-asserts reset */
 155                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 156         };
 157 };
 158
 159 &cpu0 {
 160         cpu-supply = <&reg_dcdc2>;
 161 };
 162
 163 &cpu100 {
 164         cpu-supply = <&reg_dcdc3>;
 165 };
 166
 167 &de {
 168         status = "okay";
 169 };
 170
 171 &ehci0 {
 172         /* GL830 USB-to-SATA bridge here */
 173         status = "okay";
 174 };
 175
 176 &ehci1 {
 177         /* USB3503 HSIC USB 2.0 hub here */
 178         status = "okay";
 179 };
 180
 181 &emac {
 182         pinctrl-names = "default";
 183         pinctrl-0 = <&emac_rgmii_pins>;
 184         phy-supply = <&reg_dldo4>;
 185         phy-handle = <&rgmii_phy>;
 186         phy-mode = "rgmii-id";
 187         status = "okay";
 188 };
 189
 190 &hdmi {
 191         status = "okay";
 192 };
 193
 194 &hdmi_out {
 195         hdmi_out_con: endpoint {
 196                 remote-endpoint = <&hdmi_con_in>;
 197         };
 198 };
 199
 200 &mdio {
 201         rgmii_phy: ethernet-phy@1 {
 202                 compatible = "ethernet-phy-ieee802.3-c22";
 203                 reg = <1>;
 204         };
 205 };
 206
 207 &mmc0 {
 208         pinctrl-names = "default";
 209         pinctrl-0 = <&mmc0_pins>;
 210         vmmc-supply = <&reg_dcdc1>;
 211         bus-width = <4>;
 212         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
 213         status = "okay";
 214 };
 215
 216 &mmc1 {
 217         vmmc-supply = <&reg_dcdc1>;
 218         vqmmc-supply = <&reg_sw>;
 219         mmc-pwrseq = <&wifi_pwrseq>;
 220         bus-width = <4>;
 221         non-removable;
 222         status = "okay";
 223 };
 224
 225 &mmc2 {
 226         pinctrl-names = "default";
 227         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 228         vmmc-supply = <&reg_dcdc1>;
 229         bus-width = <8>;
 230         non-removable;
 231         cap-mmc-hw-reset;
 232         status = "okay";
 233 };
 234
 235 &r_rsb {
 236         status = "okay";
 237
 238         axp81x: pmic@3a3 {
 239                 compatible = "x-powers,axp818", "x-powers,axp813";
 240                 reg = <0x3a3>;
 241                 interrupt-parent = <&r_intc>;
 242                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 243                 eldoin-supply = <&reg_dcdc1>;
 244                 swin-supply = <&reg_dcdc1>;
 245                 x-powers,drive-vbus-en;
 246         };
 247
 248         ac100: codec@e89 {
 249                 compatible = "x-powers,ac100";
 250                 reg = <0xe89>;
 251
 252                 ac100_codec: codec {
 253                         compatible = "x-powers,ac100-codec";
 254                         interrupt-parent = <&r_pio>;
 255                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
 256                         #clock-cells = <0>;
 257                         clock-output-names = "4M_adda";
 258                 };
 259
 260                 ac100_rtc: rtc {
 261                         compatible = "x-powers,ac100-rtc";
 262                         interrupt-parent = <&r_intc>;
 263                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 264                         clocks = <&ac100_codec>;
 265                         #clock-cells = <1>;
 266                         clock-output-names = "cko1_rtc",
 267                                              "cko2_rtc",
 268                                              "cko3_rtc";
 269                 };
 270         };
 271 };
 272
 273 #include "axp81x.dtsi"
 274
 275 &ac_power_supply {
 276         status = "okay";
 277 };
 278
 279 &battery_power_supply {
 280         status = "okay";
 281 };
 282
 283 &reg_aldo1 {
 284         regulator-always-on;
 285         regulator-min-microvolt = <1800000>;
 286         regulator-max-microvolt = <1800000>;
 287         regulator-name = "vcc-1v8";
 288 };
 289
 290 &reg_aldo2 {
 291         regulator-always-on;
 292         regulator-min-microvolt = <1800000>;
 293         regulator-max-microvolt = <1800000>;
 294         regulator-name = "dram-pll";
 295 };
 296
 297 &reg_aldo3 {
 298         regulator-always-on;
 299         regulator-min-microvolt = <3000000>;
 300         regulator-max-microvolt = <3000000>;
 301         regulator-name = "avcc";
 302 };
 303
 304 &reg_dcdc1 {
 305         /*
 306          * The schematics say this should be 3.3V, but the FEX file says
 307          * it should be 3V. The latter makes sense, as the WiFi module's
 308          * I/O is indirectly powered from DCDC1, through SW. It is rated
 309          * at 2.98V maximum.
 310          */
 311         regulator-always-on;
 312         regulator-min-microvolt = <3000000>;
 313         regulator-max-microvolt = <3000000>;
 314         regulator-name = "vcc-3v";
 315 };
 316
 317 &reg_dcdc2 {
 318         regulator-always-on;
 319         regulator-min-microvolt = <700000>;
 320         regulator-max-microvolt = <1100000>;
 321         regulator-name = "vdd-cpua";
 322 };
 323
 324 &reg_dcdc3 {
 325         regulator-always-on;
 326         regulator-min-microvolt = <700000>;
 327         regulator-max-microvolt = <1100000>;
 328         regulator-name = "vdd-cpub";
 329 };
 330
 331 &reg_dcdc4 {
 332         regulator-min-microvolt = <700000>;
 333         regulator-max-microvolt = <1100000>;
 334         regulator-name = "vdd-gpu";
 335 };
 336
 337 &reg_dcdc5 {
 338         regulator-always-on;
 339         regulator-min-microvolt = <1500000>;
 340         regulator-max-microvolt = <1500000>;
 341         regulator-name = "vcc-dram";
 342 };
 343
 344 &reg_dcdc6 {
 345         regulator-always-on;
 346         regulator-min-microvolt = <900000>;
 347         regulator-max-microvolt = <900000>;
 348         regulator-name = "vdd-sys";
 349 };
 350
 351 &reg_dldo2 {
 352         regulator-min-microvolt = <3300000>;
 353         regulator-max-microvolt = <3300000>;
 354         regulator-name = "dp-pwr";
 355 };
 356
 357 &reg_dldo3 {
 358         regulator-always-on;
 359         regulator-min-microvolt = <2500000>;
 360         regulator-max-microvolt = <2500000>;
 361         regulator-name = "ephy-io";
 362 };
 363
 364 &reg_dldo4 {
 365         /*
 366          * The PHY requires 20ms after all voltages are applied until core
 367          * logic is ready and 30ms after the reset pin is de-asserted.
 368          * Set a 100ms delay to account for PMIC ramp time and board traces.
 369          */
 370         regulator-enable-ramp-delay = <100000>;
 371         regulator-min-microvolt = <3300000>;
 372         regulator-max-microvolt = <3300000>;
 373         regulator-name = "ephy";
 374 };
 375
 376 &reg_drivevbus {
 377         regulator-name = "usb0-vbus";
 378         status = "okay";
 379 };
 380
 381 &reg_eldo1 {
 382         regulator-min-microvolt = <1200000>;
 383         regulator-max-microvolt = <1200000>;
 384         regulator-name = "dp-bridge-1";
 385 };
 386
 387 &reg_eldo2 {
 388         regulator-min-microvolt = <1200000>;
 389         regulator-max-microvolt = <1200000>;
 390         regulator-name = "dp-bridge-2";
 391 };
 392
 393 &reg_fldo1 {
 394         /* TODO should be handled by USB PHY */
 395         regulator-always-on;
 396         regulator-min-microvolt = <1080000>;
 397         regulator-max-microvolt = <1320000>;
 398         regulator-name = "vdd12-hsic";
 399 };
 400
 401 &reg_fldo2 {
 402         /*
 403          * Despite the embedded CPUs core not being used in any way,
 404          * this must remain on or the system will hang.
 405          */
 406         regulator-always-on;
 407         regulator-min-microvolt = <700000>;
 408         regulator-max-microvolt = <1100000>;
 409         regulator-name = "vdd-cpus";
 410 };
 411
 412 &reg_rtc_ldo {
 413         regulator-name = "vcc-rtc";
 414 };
 415
 416 &reg_sw {
 417         regulator-name = "vcc-wifi-io";
 418 };
 419
 420 &spdif {
 421         status = "okay";
 422 };
 423
 424 &uart0 {
 425         pinctrl-names = "default";
 426         pinctrl-0 = <&uart0_pb_pins>;
 427         status = "okay";
 428 };
 429
 430 &uart1 {
 431         pinctrl-names = "default";
 432         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 433         uart-has-rtscts;
 434         status = "okay";
 435
 436         bluetooth {
 437                 compatible = "brcm,bcm4330-bt";
 438                 clocks = <&ac100_rtc 1>;
 439                 clock-names = "lpo";
 440                 vbat-supply = <&reg_dcdc1>;
 441                 vddio-supply = <&reg_sw>;
 442                 device-wakeup-gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
 443                 host-wakeup-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
 444                 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
 445         };
 446 };
 447
 448 &usb_otg {
 449         dr_mode = "otg";
 450         status = "okay";
 451 };
 452
 453 &usb_power_supply {
 454         status = "okay";
 455 };
 456
 457 &usbphy {
 458         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 459         usb0_vbus_power-supply = <&usb_power_supply>;
 460         usb0_vbus-supply = <&reg_drivevbus>;
 461         usb1_vbus-supply = <&reg_usb1_vbus>;
 462         usb2_vbus-supply = <&reg_usb2_vbus>;
 463         status = "okay";
 464 };