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         keep-power-in-suspend;
 196         status = "okay";
 197
 198         brcmf: wifi@1 {
 199                 reg = <1>;
 200                 compatible = "brcm,bcm4329-fmac";
 201                 interrupt-parent = <&r_pio>;
 202                 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
 203                 interrupt-names = "host-wake";
 204         };
 205 };
 206
 207 &mmc2 {
 208         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 209         pinctrl-names = "default";
 210         vmmc-supply = <&reg_dcdc1>;
 211         vqmmc-supply = <&reg_dcdc1>;
 212         bus-width = <8>;
 213         non-removable;
 214         cap-mmc-hw-reset;
 215         status = "okay";
 216 };
 217
 218 &pwm {
 219         pinctrl-names = "default";
 220         pinctrl-0 = <&pwm_pin>;
 221         status = "okay";
 222 };
 223
 224 &r_lradc {
 225         vref-supply = <&reg_aldo2>;
 226         status = "okay";
 227
 228         button-210 {
 229                 label = "Volume Up";
 230                 linux,code = <KEY_VOLUMEUP>;
 231                 channel = <0>;
 232                 voltage = <210000>;
 233         };
 234
 235         button-410 {
 236                 label = "Volume Down";
 237                 linux,code = <KEY_VOLUMEDOWN>;
 238                 channel = <0>;
 239                 voltage = <410000>;
 240         };
 241 };
 242
 243 &r_rsb {
 244         status = "okay";
 245
 246         axp81x: pmic@3a3 {
 247                 compatible = "x-powers,axp813";
 248                 reg = <0x3a3>;
 249                 interrupt-parent = <&r_intc>;
 250                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 251                 swin-supply = <&reg_dcdc1>;
 252                 x-powers,drive-vbus-en;
 253         };
 254
 255         ac100: codec@e89 {
 256                 compatible = "x-powers,ac100";
 257                 reg = <0xe89>;
 258
 259                 ac100_codec: codec {
 260                         compatible = "x-powers,ac100-codec";
 261                         interrupt-parent = <&r_pio>;
 262                         interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
 263                         #clock-cells = <0>;
 264                         clock-output-names = "4M_adda";
 265                 };
 266
 267                 ac100_rtc: rtc {
 268                         compatible = "x-powers,ac100-rtc";
 269                         interrupt-parent = <&r_intc>;
 270                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 271                         clocks = <&ac100_codec>;
 272                         #clock-cells = <1>;
 273                         clock-output-names = "cko1_rtc",
 274                                              "cko2_rtc",
 275                                              "cko3_rtc";
 276                 };
 277         };
 278
 279 };
 280
 281 #include "axp81x.dtsi"
 282
 283 &battery_power_supply {
 284         status = "okay";
 285 };
 286
 287 &reg_aldo1 {
 288         regulator-min-microvolt = <1800000>;
 289         regulator-max-microvolt = <1800000>;
 290         regulator-name = "vcc-1.8";
 291 };
 292
 293 &reg_aldo2 {
 294         regulator-min-microvolt = <1800000>;
 295         regulator-max-microvolt = <1800000>;
 296         regulator-always-on;
 297         regulator-name = "vdd-drampll";
 298 };
 299
 300 &reg_aldo3 {
 301         regulator-min-microvolt = <3000000>;
 302         regulator-max-microvolt = <3000000>;
 303         regulator-always-on;
 304         regulator-name = "avcc";
 305 };
 306
 307 &reg_dcdc1 {
 308         regulator-min-microvolt = <3100000>;
 309         regulator-max-microvolt = <3100000>;
 310         regulator-always-on;
 311         regulator-name = "vcc-io";
 312 };
 313
 314 &reg_dcdc2 {
 315         regulator-min-microvolt = <700000>;
 316         regulator-max-microvolt = <1100000>;
 317         regulator-always-on;
 318         regulator-name = "vdd-cpu-A";
 319 };
 320
 321 &reg_dcdc3 {
 322         regulator-min-microvolt = <700000>;
 323         regulator-max-microvolt = <1100000>;
 324         regulator-always-on;
 325         regulator-name = "vdd-cpu-B";
 326 };
 327
 328 &reg_dcdc4 {
 329         regulator-min-microvolt = <700000>;
 330         regulator-max-microvolt = <1100000>;
 331         regulator-name = "vdd-gpu";
 332 };
 333
 334 &reg_dcdc5 {
 335         regulator-min-microvolt = <1200000>;
 336         regulator-max-microvolt = <1500000>;
 337         regulator-always-on;
 338         regulator-name = "vcc-dram";
 339 };
 340
 341 &reg_dcdc6 {
 342         regulator-min-microvolt = <900000>;
 343         regulator-max-microvolt = <900000>;
 344         regulator-always-on;
 345         regulator-name = "vdd-sys";
 346 };
 347
 348 &reg_dldo1 {
 349         regulator-min-microvolt = <3100000>;
 350         regulator-max-microvolt = <3100000>;
 351         regulator-name = "vcc-wifi-io";
 352 };
 353
 354 &reg_dldo2 {
 355         regulator-min-microvolt = <2800000>;
 356         regulator-max-microvolt = <4200000>;
 357         regulator-name = "vcc-mipi";
 358 };
 359
 360 &reg_dldo3 {
 361         regulator-min-microvolt = <2800000>;
 362         regulator-max-microvolt = <2800000>;
 363         regulator-name = "vdd-csi";
 364 };
 365
 366 &reg_dldo4 {
 367         regulator-min-microvolt = <2800000>;
 368         regulator-max-microvolt = <2800000>;
 369         regulator-name = "avdd-csi";
 370 };
 371
 372 &reg_drivevbus {
 373         regulator-name = "usb0-vbus";
 374         status = "okay";
 375 };
 376
 377 &reg_eldo1 {
 378         regulator-min-microvolt = <1200000>;
 379         regulator-max-microvolt = <1800000>;
 380         regulator-name = "dvdd-csi-r";
 381 };
 382
 383 &reg_eldo2 {
 384         regulator-min-microvolt = <1800000>;
 385         regulator-max-microvolt = <1800000>;
 386         regulator-name = "vcc-dsi";
 387 };
 388
 389 &reg_eldo3 {
 390         regulator-min-microvolt = <1200000>;
 391         regulator-max-microvolt = <1800000>;
 392         regulator-name = "dvdd-csi-f";
 393 };
 394
 395 &reg_fldo1 {
 396         regulator-min-microvolt = <1200000>;
 397         regulator-max-microvolt = <1200000>;
 398         regulator-name = "vcc-hsic";
 399 };
 400
 401 &reg_fldo2 {
 402         regulator-min-microvolt = <700000>;
 403         regulator-max-microvolt = <1100000>;
 404         regulator-always-on;
 405         regulator-name = "vdd-cpus";
 406 };
 407
 408 &reg_ldo_io0 {
 409         regulator-min-microvolt = <3100000>;
 410         regulator-max-microvolt = <3100000>;
 411         regulator-name = "vcc-ctp";
 412         status = "okay";
 413 };
 414
 415 &reg_ldo_io1 {
 416         regulator-min-microvolt = <3100000>;
 417         regulator-max-microvolt = <3100000>;
 418         regulator-name = "vcc-vb";
 419         status = "okay";
 420 };
 421
 422 &reg_sw {
 423         regulator-min-microvolt = <3100000>;
 424         regulator-max-microvolt = <3100000>;
 425         regulator-name = "vcc-lcd";
 426 };
 427
 428 &tcon0 {
 429         pinctrl-names = "default";
 430         pinctrl-0 = <&lcd_lvds_pins>;
 431 };
 432
 433 &tcon0_out {
 434         tcon0_out_lcd: endpoint {
 435                 remote-endpoint = <&panel_input>;
 436         };
 437 };
 438
 439 &uart0 {
 440         pinctrl-names = "default";
 441         pinctrl-0 = <&uart0_pb_pins>;
 442         status = "okay";
 443 };
 444
 445 /* There's the BT part of the AP6210 connected to that UART */
 446 &uart1 {
 447         pinctrl-names = "default";
 448         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 449         uart-has-rtscts;
 450         status = "okay";
 451
 452         bluetooth {
 453                 compatible = "brcm,bcm20702a1";
 454                 clocks = <&ac100_rtc 1>;
 455                 clock-names = "lpo";
 456                 vbat-supply = <&reg_vbat>;
 457                 vddio-supply = <&reg_dldo1>;
 458                 device-wakeup-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 459                 host-wakeup-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
 460                 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
 461                 max-speed = <1500000>;
 462         };
 463 };
 464
 465 &uart2 {
 466         pinctrl-names = "default";
 467         pinctrl-0 = <&uart2_pb_pins>;
 468         status = "okay";
 469
 470         gnss {
 471                 compatible = "u-blox,neo-6m";
 472
 473                 v-bckp-supply = <&reg_rtc_ldo>;
 474                 vcc-supply = <&reg_gps>;
 475                 current-speed = <9600>;
 476         };
 477 };
 478
 479 &usb_otg {
 480         dr_mode = "otg";
 481         status = "okay";
 482 };
 483
 484 &usbphy {
 485         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 486         usb0_vbus-supply = <&reg_drivevbus>;
 487         usb1_vbus-supply = <&reg_vmain>;
 488         usb2_vbus-supply = <&reg_vmain>;
 489         status = "okay";
 490 };