arch/arm/dts/sun9i-a80-cx-a99.dts

   1 /*
   2  * sun9i-a80-cx-a99.dts - Device Tree file for the Sunchip CX-A99 board.
   3  *
   4  * Copyright (C) 2017 Rask Ingemann Lambertsen <rask@formelder.dk>
   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 /*
  46  * The Sunchip CX-A99 board is found in several similar Android media
  47  * players, such as:
  48  *
  49  * Instabox Fantasy A8 (no external antenna)
  50  * Jesurun CS-Q8 (ships with larger remote control)
  51  * Jesurun Maxone
  52  * Rikomagic (RKM) MK80/MK80LE
  53  * Tronsmart Draco AW80 Meta/Telos
  54  *
  55  * See the Sunchip CX-A99 page on the Linux-sunxi wiki for more information.
  56  */
  57
  58 /dts-v1/;
  59 #include "sun9i-a80.dtsi"
  60
  61 #include <dt-bindings/gpio/gpio.h>
  62
  63 / {
  64         model = "Sunchip CX-A99";
  65         compatible = "sunchip,cx-a99", "allwinner,sun9i-a80";
  66
  67         aliases {
  68                 serial0 = &uart0;
  69         };
  70
  71         chosen {
  72                 stdout-path = "serial0:115200n8";
  73         };
  74
  75         leds {
  76                 compatible = "gpio-leds";
  77
  78                 blue {
  79                         gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>;   /* PG10 */
  80                         label = "cx-a99:blue:status";
  81                 };
  82
  83                 red {
  84                         gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>;   /* PG11 */
  85                         label = "cx-a99:red:status";
  86                 };
  87         };
  88
  89         powerseq_wifi: powerseq-wifi {
  90                 compatible = "mmc-pwrseq-simple";
  91                 clocks = <&ac100_rtc 1>;
  92                 clock-names = "ext_clock";
  93                 reset-gpios = <&r_pio 1 0 GPIO_ACTIVE_LOW>;     /* PM0 */
  94                 post-power-on-delay-ms = <1>;   /* Minimum 2 cycles. */
  95         };
  96
  97         /* USB 2.0 connector closest to the 12 V power connector. */
  98         reg_usb1_vbus: regulator-usb1-vbus {
  99                 compatible = "regulator-fixed";
 100                 regulator-name = "usb1-vbus";
 101                 regulator-min-microvolt = <5000000>;
 102                 regulator-max-microvolt = <5000000>;
 103                 gpio = <&r_pio 0 7 /* no flag support */ 0>;    /* PL7 */
 104                 enable-active-high;
 105         };
 106
 107         /* USB 2.0 connector next to the SD card slot. */
 108         reg_usb3_vbus: regulator-usb3-vbus {
 109                 compatible = "regulator-fixed";
 110                 regulator-name = "usb3-vbus";
 111                 regulator-min-microvolt = <5000000>;
 112                 regulator-max-microvolt = <5000000>;
 113                 gpio = <&r_pio 0 8 /* no flag support */ 0>;    /* PL8 */
 114                 enable-active-high;
 115         };
 116
 117         /*
 118          * OZ80120 voltage regulator for the four Cortex-A15 CPU cores.
 119          * Although the regulator can output 750 - 1200 mV, the permissible
 120          * range for the CPU cores is only 800 - 1100 mV.
 121          */
 122         reg_vdd_cpub: regulator-vdd-cpub {
 123                 compatible = "regulator-gpio";
 124
 125                 regulator-always-on;
 126                 regulator-min-microvolt = < 800000>;
 127                 regulator-max-microvolt = <1100000>;
 128                 regulator-name = "vdd-cpub";
 129
 130                 /* Note: GPIO flags are not supported here . */
 131                 enable-gpio = <&r_pio 0 2 /* flags n/a */ 0>;   /* PL2 */
 132                 enable-active-high;
 133                 gpios = <&r_pio 0 3 /* no flag support */ 0>,   /* PL3 */
 134                         <&r_pio 0 4 /* no flag support */ 0>,   /* PL4 */
 135                         <&r_pio 0 5 /* no flag support */ 0>;   /* PL5 */
 136
 137                 gpios-states = <1 0 0>;
 138                 states = <       750000 0x7
 139                                  800000 0x3
 140                                  850000 0x5
 141                                  900000 0x1
 142                                  950000 0x6
 143                                 1000000 0x2
 144                                 1100000 0x4
 145                                 1200000 0x0>;
 146         };
 147 };
 148
 149 &ehci0 {
 150         status = "okay";
 151 };
 152
 153 &ehci2 {
 154         status = "okay";
 155 };
 156
 157 /*
 158  * SD card slot. Although the GPIO pin for card detection is listed as capable
 159  * of generating interrupts in the "A80 User Manual", this doesn't work for
 160  * some unknown reason, so poll the GPIO for card detection. This is also what
 161  * the vendor sys_config.fex file specifies.
 162  */
 163 &mmc0 {
 164         bus-width = <4>;
 165         cd-gpios = <&pio 7 17 GPIO_ACTIVE_LOW>; /* PH17 */
 166         broken-cd;                              /* Poll. */
 167         pinctrl-names = "default";
 168         pinctrl-0 = <&mmc0_pins>;
 169         vmmc-supply = <&reg_dcdce>;
 170         status = "okay";
 171 };
 172
 173 /* Ampak AP6335 IEEE 802.11 a/b/g/n/ac Wifi. */
 174 &mmc1 {
 175         bus-width = <4>;
 176         non-removable;
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&mmc1_pins>;
 179         vmmc-supply = <&reg_cldo3>;     /* See cldo2,cldo3 note. */
 180         vqmmc-supply = <&reg_aldo2>;
 181         mmc-pwrseq = <&powerseq_wifi>;
 182         status = "okay";
 183 };
 184
 185 /* On-board eMMC card. */
 186 &mmc2 {
 187         bus-width = <8>;
 188         non-removable;
 189         pinctrl-names = "default";
 190         pinctrl-0 = <&mmc2_8bit_pins>;
 191         vmmc-supply = <&reg_dcdce>;
 192         status = "okay";
 193 };
 194
 195 &osc32k {
 196         clocks = <&ac100_rtc 0>;
 197 };
 198
 199 &r_ir {
 200         status = "okay";
 201 };
 202
 203 &r_rsb {
 204         status = "okay";
 205
 206         ac100: codec@e89 {
 207                 compatible = "x-powers,ac100";
 208                 reg = <0xe89>;
 209
 210                 ac100_codec: codec {
 211                         compatible = "x-powers,ac100-codec";
 212                         interrupt-parent = <&r_pio>;
 213                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>;  /* PL9 */
 214                         #clock-cells = <0>;
 215                         clock-output-names = "4M_adda";
 216                 };
 217
 218                 ac100_rtc: rtc {
 219                         compatible = "x-powers,ac100-rtc";
 220                         interrupt-parent = <&nmi_intc>;
 221                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 222                         clocks = <&ac100_codec>;
 223                         #clock-cells = <1>;
 224                         clock-output-names = "cko1_rtc",
 225                                              "cko2_rtc",
 226                                              "cko3_rtc";
 227                 };
 228         };
 229
 230         pmic@745 {
 231                 compatible = "x-powers,axp808", "x-powers,axp806";
 232                 x-powers,master-mode;
 233                 reg = <0x745>;
 234                 interrupt-parent = <&nmi_intc>;
 235                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 236                 interrupt-controller;
 237                 #interrupt-cells = <1>;
 238
 239                 swin-supply = <&reg_dcdce>;
 240
 241                 regulators {
 242                         reg_aldo1: aldo1 {
 243                                 regulator-boot-on;
 244                                 regulator-min-microvolt = <3000000>;
 245                                 regulator-max-microvolt = <3000000>;
 246                                 regulator-name = "vcc-3v0";
 247                         };
 248
 249                         /* Supplies pin groups G and M. */
 250                         reg_aldo2: aldo2 {
 251                                 regulator-boot-on;
 252                                 regulator-min-microvolt = <1800000>;
 253                                 regulator-max-microvolt = <3600000>;
 254                                 regulator-name = "vddio-wifi-codec";
 255                         };
 256
 257                         reg_aldo3: aldo3 {
 258                                 regulator-boot-on;
 259                                 regulator-min-microvolt = <2500000>;
 260                                 regulator-max-microvolt = <2500000>;
 261                                 regulator-name = "vddio-gmac";
 262                         };
 263
 264                         reg_bldo1: bldo1 {
 265                                 regulator-always-on;    /* Hang if disabled */
 266                                 regulator-min-microvolt = <1700000>;
 267                                 regulator-max-microvolt = <1900000>;
 268                                 regulator-name = "vdd18-dll-vcc18-pll";
 269                         };
 270
 271                         reg_bldo2: bldo2 {
 272                                 regulator-always-on;    /* Hang if disabled */
 273                                 regulator-min-microvolt = < 800000>;
 274                                 regulator-max-microvolt = <1100000>;
 275                                 regulator-name = "vdd-cpus";
 276                         };
 277
 278                         reg_bldo3: bldo3 {
 279                                 regulator-min-microvolt = <1100000>;
 280                                 regulator-max-microvolt = <1300000>;
 281                                 regulator-name = "vcc12-hsic";
 282                         };
 283
 284                         reg_bldo4: bldo4 {
 285                                 regulator-boot-on;
 286                                 regulator-min-microvolt = < 800000>;
 287                                 regulator-max-microvolt = <1100000>;
 288                                 regulator-name = "vdd09-hdmi";
 289                         };
 290
 291                         /* Supplies PLx pins which control some regulators. */
 292                         reg_cldo1: cldo1 {
 293                                 regulator-always-on;
 294                                 regulator-min-microvolt = <3300000>;
 295                                 regulator-max-microvolt = <3300000>;
 296                                 regulator-name = "vcc-pl-led";
 297                         };
 298
 299                         /*
 300                          * cldo2 and cldo3 are connected in parallel.
 301                          * There is currently no way to express that.
 302                          * For now, use regulator-always-on on cldo2 and lock
 303                          * the voltage on both to 3.3 V.
 304                          */
 305                         reg_cldo2: cldo2 {
 306                                 regulator-always-on;
 307                                 regulator-min-microvolt = <3300000>;
 308                                 regulator-max-microvolt = <3300000>;
 309                                 regulator-name = "vbat2-wifi+bt";
 310                         };
 311
 312                         reg_cldo3: cldo3 {
 313                                 regulator-min-microvolt = <3300000>;
 314                                 regulator-max-microvolt = <3300000>;
 315                                 regulator-name = "vbat1-wifi+bt";
 316                         };
 317
 318                         reg_dcdca: dcdca {
 319                                 regulator-always-on;
 320                                 regulator-min-microvolt = < 800000>;
 321                                 regulator-max-microvolt = <1100000>;
 322                                 regulator-name = "vdd-cpua";
 323                         };
 324
 325                         reg_dcdcb: dcdcb {
 326                                 regulator-always-on;
 327                                 regulator-min-microvolt = <1450000>;
 328                                 regulator-max-microvolt = <1550000>;
 329                                 regulator-name = "vcc-dram";
 330                         };
 331
 332                         reg_dcdcc: dcdcc {
 333                                 regulator-min-microvolt = < 800000>;
 334                                 regulator-max-microvolt = <1100000>;
 335                                 regulator-name = "vdd-gpu";
 336                         };
 337
 338                         reg_dcdcd: dcdcd {
 339                                 regulator-always-on;    /* Hang if disabled. */
 340                                 regulator-min-microvolt = < 800000>;
 341                                 regulator-max-microvolt = <1100000>;
 342                                 regulator-name = "vdd-sys";
 343                         };
 344
 345                         /* Supplies pin groups B-F and H. */
 346                         reg_dcdce: dcdce {
 347                                 regulator-always-on;
 348                                 regulator-min-microvolt = <3300000>;
 349                                 regulator-max-microvolt = <3300000>;
 350                                 regulator-name = "vcc-io-mmc-spdif";
 351                         };
 352
 353                         reg_sw: sw {
 354                                 regulator-min-microvolt = <3300000>;
 355                                 regulator-max-microvolt = <3300000>;
 356                                 regulator-name = "vcc-gmac-codec";
 357                         };
 358                 };
 359         };
 360 };
 361
 362 /*
 363  * 5-pin connector opposite of the SD card slot:
 364  * 1 = GND (pointed to by small triangle), 2 = GND, 3 = 3.3 V, 4 = RX, 5 = TX.
 365  */
 366 &uart0 {
 367         pinctrl-names = "default";
 368         pinctrl-0 = <&uart0_pins_a>;
 369         status = "okay";
 370 };
 371
 372 &usbphy1 {
 373         phy-supply = <&reg_usb1_vbus>;
 374         status = "okay";
 375 };
 376
 377 &usbphy3 {
 378         phy-supply = <&reg_usb3_vbus>;
 379         status = "okay";
 380 };