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
  49 / {
  50         model = "TBS A711 Tablet";
  51         compatible = "tbs-biometrics,a711", "allwinner,sun8i-a83t";
  52
  53         aliases {
  54                 serial0 = &uart0;
  55                 serial1 = &uart1;
  56         };
  57
  58         chosen {
  59                 stdout-path = "serial0:115200n8";
  60         };
  61
  62         reg_vbat: reg-vbat {
  63                 compatible = "regulator-fixed";
  64                 regulator-name = "vbat";
  65                 regulator-min-microvolt = <3700000>;
  66                 regulator-max-microvolt = <3700000>;
  67         };
  68
  69         reg_vmain: reg-vmain {
  70                 compatible = "regulator-fixed";
  71                 regulator-name = "vmain";
  72                 regulator-min-microvolt = <5000000>;
  73                 regulator-max-microvolt = <5000000>;
  74                 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>;
  75                 enable-active-high;
  76                 vin-supply = <&reg_vbat>;
  77         };
  78
  79         wifi_pwrseq: wifi_pwrseq {
  80                 compatible = "mmc-pwrseq-simple";
  81                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
  82
  83                 /*
  84                  * This is actually Bluetooth's clock, but we have to
  85                  * hook it up somewheere
  86                  */
  87                 clocks = <&ac100_rtc 1>;
  88                 clock-names = "ext_clock";
  89         };
  90 };
  91
  92 /*
  93  * An USB-2 hub is connected here, which also means we don't need to
  94  * enable the OHCI controller.
  95  */
  96 &ehci0 {
  97         status = "okay";
  98 };
  99
 100 /*
 101  * There's a modem connected here that needs to be initialised before
 102  * being able to be enumerated.
 103  */
 104 &ehci1 {
 105         status = "okay";
 106 };
 107
 108 &mmc0 {
 109         vmmc-supply = <&reg_dcdc1>;
 110         pinctrl-names = "default";
 111         pinctrl-0 = <&mmc0_pins>;
 112         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
 113         status = "okay";
 114 };
 115
 116 &mmc1 {
 117         mmc-pwrseq = <&wifi_pwrseq>;
 118         bus-width = <4>;
 119         vmmc-supply = <&reg_dldo1>;
 120         vqmmc-supply = <&reg_dldo1>;
 121         non-removable;
 122         wakeup-source;
 123         status = "okay";
 124
 125         brcmf: wifi@1 {
 126                 reg = <1>;
 127                 compatible = "brcm,bcm4329-fmac";
 128                 interrupt-parent = <&r_pio>;
 129                 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 WL_WAKE_UP */
 130                 interrupt-names = "host-wake";
 131         };
 132 };
 133
 134 &mmc2 {
 135         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 136         pinctrl-names = "default";
 137         vmmc-supply = <&reg_dcdc1>;
 138         vqmmc-supply = <&reg_dcdc1>;
 139         bus-width = <8>;
 140         non-removable;
 141         cap-mmc-hw-reset;
 142         status = "okay";
 143 };
 144
 145 &r_rsb {
 146         status = "okay";
 147
 148         axp81x: pmic@3a3 {
 149                 reg = <0x3a3>;
 150                 interrupt-parent = <&r_intc>;
 151                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 152                 swin-supply = <&reg_dcdc1>;
 153                 x-powers,drive-vbus-en;
 154         };
 155
 156         ac100: codec@e89 {
 157                 compatible = "x-powers,ac100";
 158                 reg = <0xe89>;
 159
 160                 ac100_codec: codec {
 161                         compatible = "x-powers,ac100-codec";
 162                         interrupt-parent = <&r_pio>;
 163                         interrupts = <0 12 IRQ_TYPE_LEVEL_LOW>; /* PL12 */
 164                         #clock-cells = <0>;
 165                         clock-output-names = "4M_adda";
 166                 };
 167
 168                 ac100_rtc: rtc {
 169                         compatible = "x-powers,ac100-rtc";
 170                         interrupt-parent = <&r_intc>;
 171                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 172                         clocks = <&ac100_codec>;
 173                         #clock-cells = <1>;
 174                         clock-output-names = "cko1_rtc",
 175                                              "cko2_rtc",
 176                                              "cko3_rtc";
 177                 };
 178         };
 179
 180 };
 181
 182 #include "axp81x.dtsi"
 183
 184 &reg_aldo1 {
 185         regulator-min-microvolt = <1800000>;
 186         regulator-max-microvolt = <1800000>;
 187         regulator-name = "vcc-1.8";
 188 };
 189
 190 &reg_aldo2 {
 191         regulator-min-microvolt = <1800000>;
 192         regulator-max-microvolt = <1800000>;
 193         regulator-always-on;
 194         regulator-name = "vdd-drampll";
 195 };
 196
 197 &reg_aldo3 {
 198         regulator-min-microvolt = <3000000>;
 199         regulator-max-microvolt = <3000000>;
 200         regulator-always-on;
 201         regulator-name = "avcc";
 202 };
 203
 204 &reg_dcdc1 {
 205         regulator-min-microvolt = <3100000>;
 206         regulator-max-microvolt = <3100000>;
 207         regulator-always-on;
 208         regulator-name = "vcc-io";
 209 };
 210
 211 &reg_dcdc2 {
 212         regulator-min-microvolt = <700000>;
 213         regulator-max-microvolt = <1100000>;
 214         regulator-always-on;
 215         regulator-name = "vdd-cpu-A";
 216 };
 217
 218 &reg_dcdc3 {
 219         regulator-min-microvolt = <700000>;
 220         regulator-max-microvolt = <1100000>;
 221         regulator-always-on;
 222         regulator-name = "vdd-cpu-B";
 223 };
 224
 225 &reg_dcdc4 {
 226         regulator-min-microvolt = <700000>;
 227         regulator-max-microvolt = <1100000>;
 228         regulator-name = "vdd-gpu";
 229 };
 230
 231 &reg_dcdc5 {
 232         regulator-min-microvolt = <1200000>;
 233         regulator-max-microvolt = <1500000>;
 234         regulator-always-on;
 235         regulator-name = "vcc-dram";
 236 };
 237
 238 &reg_dcdc6 {
 239         regulator-min-microvolt = <900000>;
 240         regulator-max-microvolt = <900000>;
 241         regulator-always-on;
 242         regulator-name = "vdd-sys";
 243 };
 244
 245 &reg_dldo1 {
 246         regulator-min-microvolt = <3100000>;
 247         regulator-max-microvolt = <3100000>;
 248         regulator-name = "vcc-wifi-io";
 249 };
 250
 251 &reg_dldo2 {
 252         regulator-min-microvolt = <2800000>;
 253         regulator-max-microvolt = <4200000>;
 254         regulator-name = "vcc-mipi";
 255 };
 256
 257 &reg_dldo3 {
 258         regulator-min-microvolt = <2800000>;
 259         regulator-max-microvolt = <2800000>;
 260         regulator-name = "vdd-csi";
 261 };
 262
 263 &reg_dldo4 {
 264         regulator-min-microvolt = <2800000>;
 265         regulator-max-microvolt = <2800000>;
 266         regulator-name = "avdd-csi";
 267 };
 268
 269 &reg_drivevbus {
 270         regulator-name = "usb0-vbus";
 271         status = "okay";
 272 };
 273
 274 &reg_eldo1 {
 275         regulator-min-microvolt = <1200000>;
 276         regulator-max-microvolt = <1800000>;
 277         regulator-name = "dvdd-csi-r";
 278 };
 279
 280 &reg_eldo2 {
 281         regulator-min-microvolt = <1800000>;
 282         regulator-max-microvolt = <1800000>;
 283         regulator-name = "vcc-dsi";
 284 };
 285
 286 &reg_eldo3 {
 287         regulator-min-microvolt = <1200000>;
 288         regulator-max-microvolt = <1800000>;
 289         regulator-name = "dvdd-csi-f";
 290 };
 291
 292 &reg_fldo1 {
 293         regulator-min-microvolt = <1200000>;
 294         regulator-max-microvolt = <1200000>;
 295         regulator-name = "vcc-hsic";
 296 };
 297
 298 &reg_fldo2 {
 299         regulator-min-microvolt = <700000>;
 300         regulator-max-microvolt = <1100000>;
 301         regulator-always-on;
 302         regulator-name = "vdd-cpus";
 303 };
 304
 305 &reg_ldo_io0 {
 306         regulator-min-microvolt = <3100000>;
 307         regulator-max-microvolt = <3100000>;
 308         regulator-name = "vcc-ctp";
 309         status = "okay";
 310 };
 311
 312 &reg_ldo_io1 {
 313         regulator-min-microvolt = <3100000>;
 314         regulator-max-microvolt = <3100000>;
 315         regulator-name = "vcc-vb";
 316         status = "okay";
 317 };
 318
 319 &reg_sw {
 320         regulator-min-microvolt = <3100000>;
 321         regulator-max-microvolt = <3100000>;
 322         regulator-name = "vcc-lcd";
 323 };
 324
 325 &uart0 {
 326         pinctrl-names = "default";
 327         pinctrl-0 = <&uart0_pb_pins>;
 328         status = "okay";
 329 };
 330
 331 /* There's the BT part of the AP6210 connected to that UART */
 332 &uart1 {
 333         pinctrl-names = "default";
 334         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
 335         status = "okay";
 336 };
 337
 338 &usb_otg {
 339         dr_mode = "otg";
 340         status = "okay";
 341 };
 342
 343 &usbphy {
 344         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 345         usb0_vbus-supply = <&reg_drivevbus>;
 346         usb1_vbus_supply = <&reg_vmain>;
 347         usb2_vbus_supply = <&reg_vmain>;
 348         status = "okay";
 349 };