arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts

   1 /*
   2  * Copyright 2017 Chen-Yu Tsai
   3  *
   4  * Chen-Yu Tsai <wens@csie.org>
   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 /dts-v1/;
  46 #include "sun8i-a83t.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49
  50 / {
  51         model = "Banana Pi BPI-M3";
  52         compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
  53
  54         aliases {
  55                 ethernet0 = &emac;
  56                 serial0 = &uart0;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62
  63         connector {
  64                 compatible = "hdmi-connector";
  65                 type = "a";
  66
  67                 port {
  68                         hdmi_con_in: endpoint {
  69                                 remote-endpoint = <&hdmi_out_con>;
  70                         };
  71                 };
  72         };
  73
  74         leds {
  75                 compatible = "gpio-leds";
  76
  77                 blue {
  78                         label = "bananapi-m3:blue:usr";
  79                         gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
  80                 };
  81
  82                 green {
  83                         label = "bananapi-m3:green:usr";
  84                         gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>;
  85                 };
  86         };
  87
  88         reg_usb1_vbus: reg-usb1-vbus {
  89                 compatible = "regulator-fixed";
  90                 regulator-name = "usb1-vbus";
  91                 regulator-min-microvolt = <5000000>;
  92                 regulator-max-microvolt = <5000000>;
  93                 regulator-boot-on;
  94                 enable-active-high;
  95                 gpio = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
  96         };
  97
  98         wifi_pwrseq: wifi_pwrseq {
  99                 compatible = "mmc-pwrseq-simple";
 100                 clocks = <&ac100_rtc 1>;
 101                 clock-names = "ext_clock";
 102                 /* The WiFi low power clock must be 32768 Hz */
 103                 assigned-clocks = <&ac100_rtc 1>;
 104                 assigned-clock-rates = <32768>;
 105                 /* enables internal regulator and de-asserts reset */
 106                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
 107         };
 108 };
 109
 110 &cpu0 {
 111         cpu-supply = <&reg_dcdc2>;
 112 };
 113
 114 &cpu100 {
 115         cpu-supply = <&reg_dcdc3>;
 116 };
 117
 118 &de {
 119         status = "okay";
 120 };
 121
 122 &ehci0 {
 123         /* Terminus Tech FE 1.1s 4-port USB 2.0 hub here */
 124         status = "okay";
 125
 126         /* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 127 };
 128
 129 &emac {
 130         pinctrl-names = "default";
 131         pinctrl-0 = <&emac_rgmii_pins>;
 132         phy-supply = <&reg_sw>;
 133         phy-handle = <&rgmii_phy>;
 134         phy-mode = "rgmii";
 135         allwinner,rx-delay-ps = <700>;
 136         allwinner,tx-delay-ps = <700>;
 137         status = "okay";
 138 };
 139
 140 &hdmi {
 141         status = "okay";
 142 };
 143
 144 &hdmi_out {
 145         hdmi_out_con: endpoint {
 146                 remote-endpoint = <&hdmi_con_in>;
 147         };
 148 };
 149
 150 &mdio {
 151         rgmii_phy: ethernet-phy@1 {
 152                 compatible = "ethernet-phy-ieee802.3-c22";
 153                 reg = <1>;
 154         };
 155 };
 156
 157 &mmc0 {
 158         pinctrl-names = "default";
 159         pinctrl-0 = <&mmc0_pins>;
 160         vmmc-supply = <&reg_dcdc1>;
 161         bus-width = <4>;
 162         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
 163         status = "okay";
 164 };
 165
 166 &mmc1 {
 167         vmmc-supply = <&reg_dldo1>;
 168         vqmmc-supply = <&reg_dldo1>;
 169         mmc-pwrseq = <&wifi_pwrseq>;
 170         bus-width = <4>;
 171         non-removable;
 172         status = "okay";
 173
 174         brcmf: wifi@1 {
 175                 reg = <1>;
 176                 compatible = "brcm,bcm4329-fmac";
 177                 interrupt-parent = <&r_pio>;
 178                 interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>;
 179                 interrupt-names = "host-wake";
 180         };
 181 };
 182
 183 &mmc2 {
 184         pinctrl-names = "default";
 185         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
 186         vmmc-supply = <&reg_dcdc1>;
 187         vqmmc-supply = <&reg_dcdc1>;
 188         bus-width = <8>;
 189         non-removable;
 190         cap-mmc-hw-reset;
 191         status = "okay";
 192 };
 193
 194 &r_rsb {
 195         status = "okay";
 196
 197         axp81x: pmic@3a3 {
 198                 compatible = "x-powers,axp813";
 199                 reg = <0x3a3>;
 200                 interrupt-parent = <&r_intc>;
 201                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 202                 eldoin-supply = <&reg_dcdc1>;
 203                 fldoin-supply = <&reg_dcdc5>;
 204                 swin-supply = <&reg_dcdc1>;
 205                 x-powers,drive-vbus-en;
 206         };
 207
 208         ac100: codec@e89 {
 209                 compatible = "x-powers,ac100";
 210                 reg = <0xe89>;
 211
 212                 ac100_codec: codec {
 213                         compatible = "x-powers,ac100-codec";
 214                         interrupt-parent = <&r_pio>;
 215                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
 216                         #clock-cells = <0>;
 217                         clock-output-names = "4M_adda";
 218                 };
 219
 220                 ac100_rtc: rtc {
 221                         compatible = "x-powers,ac100-rtc";
 222                         interrupt-parent = <&r_intc>;
 223                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 224                         clocks = <&ac100_codec>;
 225                         #clock-cells = <1>;
 226                         clock-output-names = "cko1_rtc",
 227                                              "cko2_rtc",
 228                                              "cko3_rtc";
 229                 };
 230         };
 231 };
 232
 233 #include "axp81x.dtsi"
 234
 235 &reg_aldo1 {
 236         regulator-always-on;
 237         regulator-min-microvolt = <1800000>;
 238         regulator-max-microvolt = <1800000>;
 239         regulator-name = "vcc-1v8";
 240 };
 241
 242 &reg_aldo2 {
 243         regulator-always-on;
 244         regulator-min-microvolt = <1800000>;
 245         regulator-max-microvolt = <1800000>;
 246         regulator-name = "dram-pll";
 247 };
 248
 249 &reg_aldo3 {
 250         regulator-always-on;
 251         regulator-min-microvolt = <3000000>;
 252         regulator-max-microvolt = <3000000>;
 253         regulator-name = "avcc";
 254 };
 255
 256 &reg_dcdc1 {
 257         /* schematics says 3.1V but FEX file says 3.3V */
 258         regulator-always-on;
 259         regulator-min-microvolt = <3300000>;
 260         regulator-max-microvolt = <3300000>;
 261         regulator-name = "vcc-3v3";
 262 };
 263
 264 &reg_dcdc2 {
 265         regulator-always-on;
 266         regulator-min-microvolt = <700000>;
 267         regulator-max-microvolt = <1100000>;
 268         regulator-name = "vdd-cpua";
 269 };
 270
 271 &reg_dcdc3 {
 272         regulator-always-on;
 273         regulator-min-microvolt = <700000>;
 274         regulator-max-microvolt = <1100000>;
 275         regulator-name = "vdd-cpub";
 276 };
 277
 278 &reg_dcdc4 {
 279         regulator-min-microvolt = <700000>;
 280         regulator-max-microvolt = <1100000>;
 281         regulator-name = "vdd-gpu";
 282 };
 283
 284 &reg_dcdc5 {
 285         regulator-always-on;
 286         regulator-min-microvolt = <1200000>;
 287         regulator-max-microvolt = <1200000>;
 288         regulator-name = "vcc-dram";
 289 };
 290
 291 &reg_dcdc6 {
 292         regulator-always-on;
 293         regulator-min-microvolt = <900000>;
 294         regulator-max-microvolt = <900000>;
 295         regulator-name = "vdd-sys";
 296 };
 297
 298 &reg_dldo1 {
 299         /*
 300          * This powers both the WiFi/BT module's main power, I/O supply,
 301          * and external pull-ups on all the data lines. It should be set
 302          * to the same voltage as the I/O supply (DCDC1 in this case) to
 303          * avoid any leakage or mismatch.
 304          */
 305         regulator-min-microvolt = <3300000>;
 306         regulator-max-microvolt = <3300000>;
 307         regulator-name = "vcc-wifi";
 308 };
 309
 310 &reg_dldo3 {
 311         regulator-always-on;
 312         regulator-min-microvolt = <2500000>;
 313         regulator-max-microvolt = <2500000>;
 314         regulator-name = "vcc-pd";
 315 };
 316
 317 &reg_drivevbus {
 318         regulator-name = "usb0-vbus";
 319         status = "okay";
 320 };
 321
 322 &reg_fldo1 {
 323         regulator-min-microvolt = <1080000>;
 324         regulator-max-microvolt = <1320000>;
 325         regulator-name = "vdd12-hsic";
 326 };
 327
 328 &reg_fldo2 {
 329         /*
 330          * Despite the embedded CPUs core not being used in any way,
 331          * this must remain on or the system will hang.
 332          */
 333         regulator-always-on;
 334         regulator-min-microvolt = <700000>;
 335         regulator-max-microvolt = <1100000>;
 336         regulator-name = "vdd-cpus";
 337 };
 338
 339 &reg_rtc_ldo {
 340         regulator-name = "vcc-rtc";
 341 };
 342
 343 &reg_sw {
 344         /*
 345          * The PHY requires 20ms after all voltages
 346          * are applied until core logic is ready and
 347          * 30ms after the reset pin is de-asserted.
 348          * Set a 100ms delay to account for PMIC
 349          * ramp time and board traces.
 350          */
 351         regulator-enable-ramp-delay = <100000>;
 352         regulator-name = "vcc-ephy";
 353 };
 354
 355 &uart0 {
 356         pinctrl-names = "default";
 357         pinctrl-0 = <&uart0_pb_pins>;
 358         status = "okay";
 359 };
 360
 361 &usbphy {
 362         usb1_vbus-supply = <&reg_usb1_vbus>;
 363         status = "okay";
 364 };