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
  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 &i2c1 {
 168         clock-frequency = <400000>;
 169         status = "okay";
 170
 171         accelerometer@18 {
 172                 compatible = "bosch,bma250";
 173                 reg = <0x18>;
 174                 interrupt-parent = <&pio>;
 175                 interrupts = <7 10 IRQ_TYPE_EDGE_RISING>; /* PH10 / EINT10 */
 176         };
 177 };
 178
 179 &mmc0 {
 180         vmmc-supply = <&reg_dcdc1>;
 181         pinctrl-names = "default";
 182         pinctrl-0 = <&mmc0_pins>;
 183         bus-width = <4>;
 184         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
 185         status = "okay";
 186 };
 187
 188 &mmc1 {
 189         mmc-pwrseq = <&wifi_pwrseq>;
 190         bus-width = <4>;
 191         vmmc-supply = <&reg_dldo1>;
 192         vqmmc-supply = <&reg_dldo1>;
 193         non-removable;
 194         wakeup-source;
 195         status = "okay";
 196
 197         brcmf: wifi@1 {
 198                 reg = <1>;
 199                 compatible = "brcm,bcm4329-fmac";
 200                 interrupt-parent = <&r_pio>;
 201                 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
 202                 interrupt-names = "host-wake";
 203         };
 204 };
 205
 206 &mmc2 {
 207         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 208         pinctrl-names = "default";
 209         vmmc-supply = <&reg_dcdc1>;
 210         vqmmc-supply = <&reg_dcdc1>;
 211         bus-width = <8>;
 212         non-removable;
 213         cap-mmc-hw-reset;
 214         status = "okay";
 215 };
 216
 217 &pwm {
 218         pinctrl-names = "default";
 219         pinctrl-0 = <&pwm_pin>;
 220         status = "okay";
 221 };
 222
 223 &r_lradc {
 224         vref-supply = <&reg_aldo2>;
 225         status = "okay";
 226
 227         button-210 {
 228                 label = "Volume Up";
 229                 linux,code = <KEY_VOLUMEUP>;
 230                 channel = <0>;
 231                 voltage = <210000>;
 232         };
 233
 234         button-410 {
 235                 label = "Volume Down";
 236                 linux,code = <KEY_VOLUMEDOWN>;
 237                 channel = <0>;
 238                 voltage = <410000>;
 239         };
 240 };
 241
 242 &r_rsb {
 243         status = "okay";
 244
 245         axp81x: pmic@3a3 {
 246                 compatible = "x-powers,axp813";
 247                 reg = <0x3a3>;
 248                 interrupt-parent = <&r_intc>;
 249                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 250                 swin-supply = <&reg_dcdc1>;
 251                 x-powers,drive-vbus-en;
 252         };
 253
 254         ac100: codec@e89 {
 255                 compatible = "x-powers,ac100";
 256                 reg = <0xe89>;
 257
 258                 ac100_codec: codec {
 259                         compatible = "x-powers,ac100-codec";
 260                         interrupt-parent = <&r_pio>;
 261                         interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
 262                         #clock-cells = <0>;
 263                         clock-output-names = "4M_adda";
 264                 };
 265
 266                 ac100_rtc: rtc {
 267                         compatible = "x-powers,ac100-rtc";
 268                         interrupt-parent = <&r_intc>;
 269                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 270                         clocks = <&ac100_codec>;
 271                         #clock-cells = <1>;
 272                         clock-output-names = "cko1_rtc",
 273                                              "cko2_rtc",
 274                                              "cko3_rtc";
 275                 };
 276         };
 277
 278 };
 279
 280 #include "axp81x.dtsi"
 281
 282 &battery_power_supply {
 283         status = "okay";
 284 };
 285
 286 &reg_aldo1 {
 287         regulator-min-microvolt = <1800000>;
 288         regulator-max-microvolt = <1800000>;
 289         regulator-name = "vcc-1.8";
 290 };
 291
 292 &reg_aldo2 {
 293         regulator-min-microvolt = <1800000>;
 294         regulator-max-microvolt = <1800000>;
 295         regulator-always-on;
 296         regulator-name = "vdd-drampll";
 297 };
 298
 299 &reg_aldo3 {
 300         regulator-min-microvolt = <3000000>;
 301         regulator-max-microvolt = <3000000>;
 302         regulator-always-on;
 303         regulator-name = "avcc";
 304 };
 305
 306 &reg_dcdc1 {
 307         regulator-min-microvolt = <3100000>;
 308         regulator-max-microvolt = <3100000>;
 309         regulator-always-on;
 310         regulator-name = "vcc-io";
 311 };
 312
 313 &reg_dcdc2 {
 314         regulator-min-microvolt = <700000>;
 315         regulator-max-microvolt = <1100000>;
 316         regulator-always-on;
 317         regulator-name = "vdd-cpu-A";
 318 };
 319
 320 &reg_dcdc3 {
 321         regulator-min-microvolt = <700000>;
 322         regulator-max-microvolt = <1100000>;
 323         regulator-always-on;
 324         regulator-name = "vdd-cpu-B";
 325 };
 326
 327 &reg_dcdc4 {
 328         regulator-min-microvolt = <700000>;
 329         regulator-max-microvolt = <1100000>;
 330         regulator-name = "vdd-gpu";
 331 };
 332
 333 &reg_dcdc5 {
 334         regulator-min-microvolt = <1200000>;
 335         regulator-max-microvolt = <1500000>;
 336         regulator-always-on;
 337         regulator-name = "vcc-dram";
 338 };
 339
 340 &reg_dcdc6 {
 341         regulator-min-microvolt = <900000>;
 342         regulator-max-microvolt = <900000>;
 343         regulator-always-on;
 344         regulator-name = "vdd-sys";
 345 };
 346
 347 &reg_dldo1 {
 348         regulator-min-microvolt = <3100000>;
 349         regulator-max-microvolt = <3100000>;
 350         regulator-name = "vcc-wifi-io";
 351 };
 352
 353 &reg_dldo2 {
 354         regulator-min-microvolt = <2800000>;
 355         regulator-max-microvolt = <4200000>;
 356         regulator-name = "vcc-mipi";
 357 };
 358
 359 &reg_dldo3 {
 360         regulator-min-microvolt = <2800000>;
 361         regulator-max-microvolt = <2800000>;
 362         regulator-name = "vdd-csi";
 363 };
 364
 365 &reg_dldo4 {
 366         regulator-min-microvolt = <2800000>;
 367         regulator-max-microvolt = <2800000>;
 368         regulator-name = "avdd-csi";
 369 };
 370
 371 &reg_drivevbus {
 372         regulator-name = "usb0-vbus";
 373         status = "okay";
 374 };
 375
 376 &reg_eldo1 {
 377         regulator-min-microvolt = <1200000>;
 378         regulator-max-microvolt = <1800000>;
 379         regulator-name = "dvdd-csi-r";
 380 };
 381
 382 &reg_eldo2 {
 383         regulator-min-microvolt = <1800000>;
 384         regulator-max-microvolt = <1800000>;
 385         regulator-name = "vcc-dsi";
 386 };
 387
 388 &reg_eldo3 {
 389         regulator-min-microvolt = <1200000>;
 390         regulator-max-microvolt = <1800000>;
 391         regulator-name = "dvdd-csi-f";
 392 };
 393
 394 &reg_fldo1 {
 395         regulator-min-microvolt = <1200000>;
 396         regulator-max-microvolt = <1200000>;
 397         regulator-name = "vcc-hsic";
 398 };
 399
 400 &reg_fldo2 {
 401         regulator-min-microvolt = <700000>;
 402         regulator-max-microvolt = <1100000>;
 403         regulator-always-on;
 404         regulator-name = "vdd-cpus";
 405 };
 406
 407 &reg_ldo_io0 {
 408         regulator-min-microvolt = <3100000>;
 409         regulator-max-microvolt = <3100000>;
 410         regulator-name = "vcc-ctp";
 411         status = "okay";
 412 };
 413
 414 &reg_ldo_io1 {
 415         regulator-min-microvolt = <3100000>;
 416         regulator-max-microvolt = <3100000>;
 417         regulator-name = "vcc-vb";
 418         status = "okay";
 419 };
 420
 421 &reg_sw {
 422         regulator-min-microvolt = <3100000>;
 423         regulator-max-microvolt = <3100000>;
 424         regulator-name = "vcc-lcd";
 425 };
 426
 427 &tcon0 {
 428         pinctrl-names = "default";
 429         pinctrl-0 = <&lcd_lvds_pins>;
 430 };
 431
 432 &tcon0_out {
 433         tcon0_out_lcd: endpoint {
 434                 remote-endpoint = <&panel_input>;
 435         };
 436 };
 437
 438 &uart0 {
 439         pinctrl-names = "default";
 440         pinctrl-0 = <&uart0_pb_pins>;
 441         status = "okay";
 442 };
 443
 444 /* There's the BT part of the AP6210 connected to that UART */
 445 &uart1 {
 446         pinctrl-names = "default";
 447         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 448         uart-has-rtscts;
 449         status = "okay";
 450
 451         bluetooth {
 452                 compatible = "brcm,bcm20702a1";
 453                 clocks = <&ac100_rtc 1>;
 454                 clock-names = "lpo";
 455                 vbat-supply = <&reg_vbat>;
 456                 vddio-supply = <&reg_dldo1>;
 457                 device-wakeup-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 458                 host-wakeup-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
 459                 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
 460                 max-speed = <1500000>;
 461         };
 462 };
 463
 464 &uart2 {
 465         pinctrl-names = "default";
 466         pinctrl-0 = <&uart2_pb_pins>;
 467         status = "okay";
 468
 469         gnss {
 470                 compatible = "u-blox,neo-6m";
 471
 472                 v-bckp-supply = <&reg_rtc_ldo>;
 473                 vcc-supply = <&reg_gps>;
 474                 current-speed = <9600>;
 475         };
 476 };
 477
 478 &usb_otg {
 479         dr_mode = "otg";
 480         status = "okay";
 481 };
 482
 483 &usbphy {
 484         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 485         usb0_vbus-supply = <&reg_drivevbus>;
 486         usb1_vbus-supply = <&reg_vmain>;
 487         usb2_vbus-supply = <&reg_vmain>;
 488         status = "okay";
 489 };