arch/arm/boot/dts/sun6i-a31-hummingbird.dts

   1 /*
   2  * Copyright 2014 Maxime Ripard
   3  *
   4  * Maxime Ripard <maxime.ripard@free-electrons.com>
   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 "sun6i-a31.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50
  51 / {
  52         model = "Merrii A31 Hummingbird";
  53         compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
  54
  55         aliases {
  56                 rtc0 = &pcf8563;
  57                 rtc1 = &rtc;
  58                 serial0 = &uart0;
  59         };
  60
  61         chosen {
  62                 stdout-path = "serial0:115200n8";
  63         };
  64
  65         vga-connector {
  66                 compatible = "vga-connector";
  67
  68                 port {
  69                         vga_con_in: endpoint {
  70                                 remote-endpoint = <&vga_dac_out>;
  71                         };
  72                 };
  73         };
  74
  75         vga-dac {
  76                 compatible = "dumb-vga-dac";
  77                 vdd-supply = <&reg_vga_3v3>;
  78                 #address-cells = <1>;
  79                 #size-cells = <0>;
  80
  81                 ports {
  82                         #address-cells = <1>;
  83                         #size-cells = <0>;
  84
  85                         port@0 {
  86                                 #address-cells = <1>;
  87                                 #size-cells = <0>;
  88                                 reg = <0>;
  89
  90                                 vga_dac_in: endpoint@0 {
  91                                         reg = <0>;
  92                                         remote-endpoint = <&tcon0_out_vga>;
  93                                 };
  94                         };
  95
  96                         port@1 {
  97                                 #address-cells = <1>;
  98                                 #size-cells = <0>;
  99                                 reg = <1>;
 100
 101                                 vga_dac_out: endpoint@0 {
 102                                         reg = <0>;
 103                                         remote-endpoint = <&vga_con_in>;
 104                                 };
 105                         };
 106                 };
 107         };
 108
 109         reg_vga_3v3: vga_3v3_regulator {
 110                 compatible = "regulator-fixed";
 111                 regulator-name = "vga-3v3";
 112                 regulator-min-microvolt = <3300000>;
 113                 regulator-max-microvolt = <3300000>;
 114                 regulator-boot-on;
 115                 enable-active-high;
 116                 gpio = <&pio 7 25 GPIO_ACTIVE_HIGH>; /* PH25 */
 117         };
 118
 119         wifi_pwrseq: wifi_pwrseq {
 120                 compatible = "mmc-pwrseq-simple";
 121                 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
 122         };
 123 };
 124
 125 &codec {
 126         allwinner,audio-routing =
 127                 "Headphone", "HP",
 128                 "Speaker", "LINEOUT",
 129                 "LINEIN", "Line In",
 130                 "MIC1", "Mic",
 131                 "MIC2", "Headset Mic",
 132                 "Mic",  "MBIAS",
 133                 "Headset Mic", "HBIAS";
 134         allwinner,pa-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
 135         status = "okay";
 136 };
 137
 138 &cpu0 {
 139         cpu-supply = <&reg_dcdc3>;
 140 };
 141
 142 &de {
 143         status = "okay";
 144 };
 145
 146 &ehci0 {
 147         status = "okay";
 148 };
 149
 150 &gmac {
 151         pinctrl-names = "default";
 152         pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_hummingbird>;
 153         phy = <&phy1>;
 154         phy-mode = "rgmii";
 155         snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
 156         snps,reset-active-low;
 157         snps,reset-delays-us = <0 10000 30000>;
 158         status = "okay";
 159
 160         phy1: ethernet-phy@1 {
 161                 reg = <1>;
 162         };
 163 };
 164
 165 &i2c0 {
 166         pinctrl-names = "default";
 167         pinctrl-0 = <&i2c0_pins_a>;
 168         /* pull-ups and devices require AXP221 DLDO3 */
 169         status = "failed";
 170 };
 171
 172 &i2c1 {
 173         pinctrl-names = "default";
 174         pinctrl-0 = <&i2c1_pins_a>;
 175         status = "okay";
 176 };
 177
 178 &i2c2 {
 179         pinctrl-names = "default";
 180         pinctrl-0 = <&i2c2_pins_a>;
 181         status = "okay";
 182
 183         pcf8563: rtc@51 {
 184                 compatible = "nxp,pcf8563";
 185                 reg = <0x51>;
 186         };
 187 };
 188
 189 &ir {
 190         pinctrl-names = "default";
 191         pinctrl-0 = <&ir_pins_a>;
 192         status = "okay";
 193 };
 194
 195 &mmc0 {
 196         pinctrl-names = "default";
 197         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
 198         vmmc-supply = <&reg_dcdc1>;
 199         bus-width = <4>;
 200         cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
 201         cd-inverted;
 202         status = "okay";
 203 };
 204
 205 &mmc0_pins_a {
 206         /* external pull-ups missing for some pins */
 207         bias-pull-up;
 208 };
 209
 210 &mmc1 {
 211         pinctrl-names = "default";
 212         pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
 213         vmmc-supply = <&reg_aldo1>;
 214         mmc-pwrseq = <&wifi_pwrseq>;
 215         bus-width = <4>;
 216         non-removable;
 217         status = "okay";
 218 };
 219
 220 &ohci0 {
 221         status = "okay";
 222 };
 223
 224 &pio {
 225         gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
 226                 pins = "PA21";
 227                 function = "gpio_out";
 228         };
 229
 230         mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
 231                 pins = "PA8";
 232                 function = "gpio_in";
 233                 bias-pull-up;
 234         };
 235
 236         wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
 237                 pins = "PG10";
 238                 function = "gpio_out";
 239         };
 240 };
 241
 242 &p2wi {
 243         status = "okay";
 244
 245         axp22x: pmic@68 {
 246                 compatible = "x-powers,axp221";
 247                 reg = <0x68>;
 248                 interrupt-parent = <&nmi_intc>;
 249                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 250                 x-powers,drive-vbus-en;
 251         };
 252 };
 253
 254 #include "axp22x.dtsi"
 255
 256 &reg_aldo1 {
 257         regulator-min-microvolt = <3300000>;
 258         regulator-max-microvolt = <3300000>;
 259         regulator-name = "vcc-wifi";
 260 };
 261
 262 &reg_aldo3 {
 263         regulator-always-on;
 264         regulator-min-microvolt = <2700000>;
 265         regulator-max-microvolt = <3300000>;
 266         regulator-name = "avcc";
 267 };
 268
 269 &reg_dc5ldo {
 270         regulator-min-microvolt = <700000>;
 271         regulator-max-microvolt = <1320000>;
 272         regulator-name = "vdd-cpus";
 273 };
 274
 275 &reg_dcdc1 {
 276         regulator-always-on;
 277         regulator-min-microvolt = <3000000>;
 278         regulator-max-microvolt = <3000000>;
 279         regulator-name = "vcc-3v0";
 280 };
 281
 282 &reg_dcdc2 {
 283         regulator-min-microvolt = <700000>;
 284         regulator-max-microvolt = <1320000>;
 285         regulator-name = "vdd-gpu";
 286 };
 287
 288 &reg_dcdc3 {
 289         regulator-always-on;
 290         regulator-min-microvolt = <700000>;
 291         regulator-max-microvolt = <1320000>;
 292         regulator-name = "vdd-cpu";
 293 };
 294
 295 &reg_dcdc4 {
 296         regulator-always-on;
 297         regulator-min-microvolt = <700000>;
 298         regulator-max-microvolt = <1320000>;
 299         regulator-name = "vdd-sys-dll";
 300 };
 301
 302 &reg_dcdc5 {
 303         regulator-always-on;
 304         regulator-min-microvolt = <1500000>;
 305         regulator-max-microvolt = <1500000>;
 306         regulator-name = "vcc-dram";
 307 };
 308
 309 &reg_drivevbus {
 310         regulator-name = "usb0-vbus";
 311         status = "okay";
 312 };
 313
 314 &reg_usb1_vbus {
 315         gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
 316         status = "okay";
 317 };
 318
 319 &tcon0 {
 320         pinctrl-names = "default";
 321         pinctrl-0 = <&lcd0_rgb888_pins>;
 322         status = "okay";
 323 };
 324
 325 &tcon0_out {
 326         tcon0_out_vga: endpoint@0 {
 327                 reg = <0>;
 328                 remote-endpoint = <&vga_dac_in>;
 329         };
 330 };
 331
 332 &uart0 {
 333         pinctrl-names = "default";
 334         pinctrl-0 = <&uart0_pins_a>;
 335         status = "okay";
 336 };
 337
 338 &usb_otg {
 339         dr_mode = "otg";
 340         status = "okay";
 341 };
 342
 343 &usb_power_supply {
 344         status = "okay";
 345 };
 346
 347 &usb1_vbus_pin_a {
 348         /* different pin from sunxi-common-regulators */
 349         pins = "PH24";
 350 };
 351
 352 &usbphy {
 353         usb0_id_det-gpio = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
 354         usb0_vbus_det-gpio = <&pio 0 16 GPIO_ACTIVE_HIGH>; /* PA16 */
 355         usb0_vbus_power-supply = <&usb_power_supply>;
 356         usb0_vbus-supply = <&reg_drivevbus>;
 357         usb1_vbus-supply = <&reg_usb1_vbus>;
 358         status = "okay";
 359 };