arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts

   1 /*
   2  * Copyright (C) 2017 Touchless Biometric Systems AG
   3  * Tomas Novotny <tomas@novotny.cz>
   4  *
   5  * This file is dual-licensed: you can use it either under the terms
   6  * of the GPL or the X11 license, at your option. Note that this dual
   7  * licensing only applies to this file, and not this project as a
   8  * whole.
   9  *
  10  *  a) This file is free software; you can redistribute it and/or
  11  *     modify it under the terms of the GNU General Public License as
  12  *     published by the Free Software Foundation; either version 2 of the
  13  *     License, or (at your option) any later version.
  14  *
  15  *     This file is distributed in the hope that it will be useful,
  16  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *     GNU General Public License for more details.
  19  *
  20  * Or, alternatively,
  21  *
  22  *  b) Permission is hereby granted, free of charge, to any person
  23  *     obtaining a copy of this software and associated documentation
  24  *     files (the "Software"), to deal in the Software without
  25  *     restriction, including without limitation the rights to use,
  26  *     copy, modify, merge, publish, distribute, sublicense, and/or
  27  *     sell copies of the Software, and to permit persons to whom the
  28  *     Software is furnished to do so, subject to the following
  29  *     conditions:
  30  *
  31  *     The above copyright notice and this permission notice shall be
  32  *     included in all copies or substantial portions of the Software.
  33  *
  34  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  35  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  36  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  37  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  38  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  39  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  40  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  41  *     OTHER DEALINGS IN THE SOFTWARE.
  42  */
  43
  44 /dts-v1/;
  45 #include "sun8i-a83t.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48 #include <dt-bindings/pwm/pwm.h>
  49 #include <dt-bindings/input/input.h>
  50
  51 / {
  52         model = "TBS A711 Tablet";
  53         compatible = "tbs-biometrics,a711", "allwinner,sun8i-a83t";
  54
  55         aliases {
  56                 serial0 = &uart0;
  57                 serial1 = &uart1;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63
  64         backlight: backlight {
  65                 compatible = "pwm-backlight";
  66                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  67                 enable-gpios = <&pio 3 29 GPIO_ACTIVE_HIGH>;
  68                 power-supply = <&reg_sw>;
  69                 brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
  70                 default-brightness-level = <9>;
  71         };
  72
  73         panel {
  74                 compatible = "tbs,a711-panel", "panel-lvds";
  75                 backlight = <&backlight>;
  76                 power-supply = <&reg_sw>;
  77
  78                 width-mm = <153>;
  79                 height-mm = <90>;
  80                 data-mapping = "vesa-24";
  81
  82                 panel-timing {
  83                         /* 1024x600 @60Hz */
  84                         clock-frequency = <52000000>;
  85                         hactive = <1024>;
  86                         vactive = <600>;
  87                         hsync-len = <20>;
  88                         hfront-porch = <180>;
  89                         hback-porch = <160>;
  90                         vfront-porch = <12>;
  91                         vback-porch = <23>;
  92                         vsync-len = <5>;
  93                 };
  94
  95                 port {
  96                         panel_input: endpoint {
  97                                 remote-endpoint = <&tcon0_out_lcd>;
  98                         };
  99                 };
 100         };
 101
 102         reg_gps: reg-gps {
 103                 compatible = "regulator-fixed";
 104                 regulator-name = "gps";
 105                 regulator-min-microvolt = <3000000>;
 106                 regulator-max-microvolt = <3000000>;
 107         };
 108
 109         reg_vbat: reg-vbat {
 110                 compatible = "regulator-fixed";
 111                 regulator-name = "vbat";
 112                 regulator-min-microvolt = <3700000>;
 113                 regulator-max-microvolt = <3700000>;
 114         };
 115
 116         reg_vmain: reg-vmain {
 117                 compatible = "regulator-fixed";
 118                 regulator-name = "vmain";
 119                 regulator-min-microvolt = <5000000>;
 120                 regulator-max-microvolt = <5000000>;
 121                 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>;
 122                 enable-active-high;
 123                 vin-supply = <&reg_vbat>;
 124         };
 125
 126         wifi_pwrseq: wifi_pwrseq {
 127                 compatible = "mmc-pwrseq-simple";
 128                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 129
 130                 /*
 131                  * This is actually Bluetooth's clock, but we have to
 132                  * hook it up somewheere
 133                  */
 134                 clocks = <&ac100_rtc 1>;
 135                 clock-names = "ext_clock";
 136         };
 137 };
 138
 139 &cpu0 {
 140         cpu-supply = <&reg_dcdc2>;
 141 };
 142
 143 &cpu100 {
 144         cpu-supply = <&reg_dcdc3>;
 145 };
 146
 147 &de {
 148         status = "okay";
 149 };
 150
 151 /*
 152  * An USB-2 hub is connected here, which also means we don't need to
 153  * enable the OHCI controller.
 154  */
 155 &ehci0 {
 156         status = "okay";
 157 };
 158
 159 /*
 160  * There's a modem connected here that needs to be initialised before
 161  * being able to be enumerated.
 162  */
 163 &ehci1 {
 164         status = "okay";
 165 };
 166
 167 &i2c0 {
 168         clock-frequency = <400000>;
 169         status = "okay";
 170
 171         touchscreen@38 {
 172                 compatible = "edt,edt-ft5x06";
 173                 reg = <0x38>;
 174                 interrupt-parent = <&r_pio>;
 175                 interrupts = <0 7 IRQ_TYPE_EDGE_FALLING>; /* PL7 */
 176                 reset-gpios = <&pio 3 5 GPIO_ACTIVE_LOW>; /* PD5 */
 177                 vcc-supply = <&reg_ldo_io0>;
 178                 touchscreen-size-x = <1024>;
 179                 touchscreen-size-y = <600>;
 180         };
 181 };
 182
 183 &i2c1 {
 184         clock-frequency = <400000>;
 185         status = "okay";
 186
 187         accelerometer@18 {
 188                 compatible = "bosch,bma250";
 189                 reg = <0x18>;
 190                 interrupt-parent = <&pio>;
 191                 interrupts = <7 10 IRQ_TYPE_EDGE_RISING>; /* PH10 / EINT10 */
 192         };
 193 };
 194
 195 &mmc0 {
 196         vmmc-supply = <&reg_dcdc1>;
 197         pinctrl-names = "default";
 198         pinctrl-0 = <&mmc0_pins>;
 199         bus-width = <4>;
 200         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
 201         status = "okay";
 202 };
 203
 204 &mmc1 {
 205         mmc-pwrseq = <&wifi_pwrseq>;
 206         bus-width = <4>;
 207         vmmc-supply = <&reg_dldo1>;
 208         vqmmc-supply = <&reg_dldo1>;
 209         non-removable;
 210         wakeup-source;
 211         keep-power-in-suspend;
 212         status = "okay";
 213
 214         brcmf: wifi@1 {
 215                 reg = <1>;
 216                 compatible = "brcm,bcm4329-fmac";
 217                 interrupt-parent = <&r_pio>;
 218                 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
 219                 interrupt-names = "host-wake";
 220         };
 221 };
 222
 223 &mmc2 {
 224         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 225         pinctrl-names = "default";
 226         vmmc-supply = <&reg_dcdc1>;
 227         vqmmc-supply = <&reg_dcdc1>;
 228         bus-width = <8>;
 229         non-removable;
 230         cap-mmc-hw-reset;
 231         status = "okay";
 232 };
 233
 234 &pwm {
 235         pinctrl-names = "default";
 236         pinctrl-0 = <&pwm_pin>;
 237         status = "okay";
 238 };
 239
 240 &r_lradc {
 241         vref-supply = <&reg_aldo2>;
 242         status = "okay";
 243
 244         button-210 {
 245                 label = "Volume Up";
 246                 linux,code = <KEY_VOLUMEUP>;
 247                 channel = <0>;
 248                 voltage = <210000>;
 249         };
 250
 251         button-410 {
 252                 label = "Volume Down";
 253                 linux,code = <KEY_VOLUMEDOWN>;
 254                 channel = <0>;
 255                 voltage = <410000>;
 256         };
 257 };
 258
 259 &r_rsb {
 260         status = "okay";
 261
 262         axp81x: pmic@3a3 {
 263                 compatible = "x-powers,axp813";
 264                 reg = <0x3a3>;
 265                 interrupt-parent = <&r_intc>;
 266                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
 267                 swin-supply = <&reg_dcdc1>;
 268                 x-powers,drive-vbus-en;
 269         };
 270
 271         ac100: codec@e89 {
 272                 compatible = "x-powers,ac100";
 273                 reg = <0xe89>;
 274
 275                 ac100_codec: codec {
 276                         compatible = "x-powers,ac100-codec";
 277                         interrupt-parent = <&r_pio>;
 278                         interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
 279                         #clock-cells = <0>;
 280                         clock-output-names = "4M_adda";
 281                 };
 282
 283                 ac100_rtc: rtc {
 284                         compatible = "x-powers,ac100-rtc";
 285                         interrupt-parent = <&r_intc>;
 286                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
 287                         clocks = <&ac100_codec>;
 288                         #clock-cells = <1>;
 289                         clock-output-names = "cko1_rtc",
 290                                              "cko2_rtc",
 291                                              "cko3_rtc";
 292                 };
 293         };
 294
 295 };
 296
 297 #include "axp81x.dtsi"
 298
 299 &battery_power_supply {
 300         status = "okay";
 301 };
 302
 303 &reg_aldo1 {
 304         regulator-min-microvolt = <1800000>;
 305         regulator-max-microvolt = <1800000>;
 306         regulator-name = "vcc-1.8";
 307 };
 308
 309 &reg_aldo2 {
 310         regulator-min-microvolt = <1800000>;
 311         regulator-max-microvolt = <1800000>;
 312         regulator-always-on;
 313         regulator-name = "vdd-drampll";
 314 };
 315
 316 &reg_aldo3 {
 317         regulator-min-microvolt = <3000000>;
 318         regulator-max-microvolt = <3000000>;
 319         regulator-always-on;
 320         regulator-name = "avcc";
 321 };
 322
 323 &reg_dcdc1 {
 324         regulator-min-microvolt = <3100000>;
 325         regulator-max-microvolt = <3100000>;
 326         regulator-always-on;
 327         regulator-name = "vcc-io";
 328 };
 329
 330 &reg_dcdc2 {
 331         regulator-min-microvolt = <700000>;
 332         regulator-max-microvolt = <1100000>;
 333         regulator-always-on;
 334         regulator-name = "vdd-cpu-A";
 335 };
 336
 337 &reg_dcdc3 {
 338         regulator-min-microvolt = <700000>;
 339         regulator-max-microvolt = <1100000>;
 340         regulator-always-on;
 341         regulator-name = "vdd-cpu-B";
 342 };
 343
 344 &reg_dcdc4 {
 345         regulator-min-microvolt = <700000>;
 346         regulator-max-microvolt = <1100000>;
 347         regulator-name = "vdd-gpu";
 348 };
 349
 350 &reg_dcdc5 {
 351         regulator-min-microvolt = <1200000>;
 352         regulator-max-microvolt = <1500000>;
 353         regulator-always-on;
 354         regulator-name = "vcc-dram";
 355 };
 356
 357 &reg_dcdc6 {
 358         regulator-min-microvolt = <900000>;
 359         regulator-max-microvolt = <900000>;
 360         regulator-always-on;
 361         regulator-name = "vdd-sys";
 362 };
 363
 364 &reg_dldo1 {
 365         regulator-min-microvolt = <3100000>;
 366         regulator-max-microvolt = <3100000>;
 367         regulator-name = "vcc-wifi-io";
 368 };
 369
 370 &reg_dldo2 {
 371         regulator-min-microvolt = <2800000>;
 372         regulator-max-microvolt = <4200000>;
 373         regulator-name = "vcc-mipi";
 374 };
 375
 376 &reg_dldo3 {
 377         regulator-min-microvolt = <1800000>;
 378         regulator-max-microvolt = <1800000>;
 379         regulator-name = "vdd-csi";
 380 };
 381
 382 &reg_dldo4 {
 383         regulator-min-microvolt = <2800000>;
 384         regulator-max-microvolt = <2800000>;
 385         regulator-name = "avdd-csi";
 386 };
 387
 388 &reg_drivevbus {
 389         regulator-name = "usb0-vbus";
 390         status = "okay";
 391 };
 392
 393 &reg_eldo1 {
 394         regulator-min-microvolt = <1200000>;
 395         regulator-max-microvolt = <1800000>;
 396         regulator-name = "dvdd-csi-r";
 397 };
 398
 399 &reg_eldo2 {
 400         regulator-min-microvolt = <1800000>;
 401         regulator-max-microvolt = <1800000>;
 402         regulator-name = "vcc-dsi";
 403 };
 404
 405 &reg_eldo3 {
 406         regulator-min-microvolt = <1200000>;
 407         regulator-max-microvolt = <1800000>;
 408         regulator-name = "dvdd-csi-f";
 409 };
 410
 411 &reg_fldo1 {
 412         regulator-min-microvolt = <1200000>;
 413         regulator-max-microvolt = <1200000>;
 414         regulator-name = "vcc-hsic";
 415 };
 416
 417 &reg_fldo2 {
 418         regulator-min-microvolt = <700000>;
 419         regulator-max-microvolt = <1100000>;
 420         regulator-always-on;
 421         regulator-name = "vdd-cpus";
 422 };
 423
 424 &reg_ldo_io0 {
 425         regulator-min-microvolt = <3100000>;
 426         regulator-max-microvolt = <3100000>;
 427         regulator-name = "vcc-ctp";
 428         status = "okay";
 429 };
 430
 431 &reg_ldo_io1 {
 432         regulator-min-microvolt = <3100000>;
 433         regulator-max-microvolt = <3100000>;
 434         regulator-name = "vcc-vb";
 435         status = "okay";
 436 };
 437
 438 &reg_sw {
 439         regulator-min-microvolt = <3100000>;
 440         regulator-max-microvolt = <3100000>;
 441         regulator-name = "vcc-lcd";
 442 };
 443
 444 &tcon0 {
 445         pinctrl-names = "default";
 446         pinctrl-0 = <&lcd_lvds_pins>;
 447 };
 448
 449 &tcon0_out {
 450         tcon0_out_lcd: endpoint {
 451                 remote-endpoint = <&panel_input>;
 452         };
 453 };
 454
 455 &uart0 {
 456         pinctrl-names = "default";
 457         pinctrl-0 = <&uart0_pb_pins>;
 458         status = "okay";
 459 };
 460
 461 /* There's the BT part of the AP6210 connected to that UART */
 462 &uart1 {
 463         pinctrl-names = "default";
 464         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 465         uart-has-rtscts;
 466         status = "okay";
 467
 468         bluetooth {
 469                 compatible = "brcm,bcm20702a1";
 470                 clocks = <&ac100_rtc 1>;
 471                 clock-names = "lpo";
 472                 vbat-supply = <&reg_vbat>;
 473                 vddio-supply = <&reg_dldo1>;
 474                 device-wakeup-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 475                 host-wakeup-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
 476                 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
 477                 max-speed = <1500000>;
 478         };
 479 };
 480
 481 &uart2 {
 482         pinctrl-names = "default";
 483         pinctrl-0 = <&uart2_pb_pins>;
 484         status = "okay";
 485
 486         gnss {
 487                 compatible = "u-blox,neo-6m";
 488
 489                 v-bckp-supply = <&reg_rtc_ldo>;
 490                 vcc-supply = <&reg_gps>;
 491                 current-speed = <9600>;
 492         };
 493 };
 494
 495 &usb_otg {
 496         status = "okay";
 497 };
 498
 499 &usbphy {
 500         usb0_id_det-gpios = <&pio 7 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH11 */
 501         usb0_vbus_power-supply = <&usb_power_supply>;
 502         usb0_vbus-supply = <&reg_drivevbus>;
 503         usb1_vbus-supply = <&reg_vmain>;
 504         usb2_vbus-supply = <&reg_vmain>;
 505         status = "okay";
 506 };