arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts

   1 /*
   2  * Copyright 2015 - Marcus Cooper <codekipper@gmail.com>
   3  * Copyright 2015 - Karsten Merker <merker@debian.org>
   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 "sun7i-a20.dtsi"
  46 #include "sunxi-common-regulators.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/input/input.h>
  50 #include <dt-bindings/interrupt-controller/irq.h>
  51 #include <dt-bindings/pinctrl/sun4i-a10.h>
  52
  53 / {
  54         model = "Olimex A20-Olimex-SOM-EVB";
  55         compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
  56
  57         aliases {
  58                 serial0 = &uart0;
  59         };
  60
  61         chosen {
  62                 stdout-path = "serial0:115200n8";
  63         };
  64
  65         leds {
  66                 compatible = "gpio-leds";
  67                 pinctrl-names = "default";
  68                 pinctrl-0 = <&led_pins_olimex_som_evb>;
  69
  70                 green {
  71                         label = "a20-olimex-som-evb:green:usr";
  72                         gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
  73                         default-state = "on";
  74                 };
  75         };
  76 };
  77
  78 &ahci {
  79         target-supply = <&reg_ahci_5v>;
  80         status = "okay";
  81 };
  82
  83 &ehci0 {
  84         status = "okay";
  85 };
  86
  87 &ehci1 {
  88         status = "okay";
  89 };
  90
  91 &cpu0 {
  92         cpu-supply = <&reg_dcdc2>;
  93 };
  94
  95 &codec {
  96         status = "okay";
  97 };
  98
  99 &gmac {
 100         pinctrl-names = "default";
 101         pinctrl-0 = <&gmac_pins_rgmii_a>;
 102         phy = <&phy1>;
 103         phy-mode = "rgmii";
 104         status = "okay";
 105
 106         phy1: ethernet-phy@1 {
 107                 reg = <1>;
 108         };
 109 };
 110
 111 &i2c0 {
 112         pinctrl-names = "default";
 113         pinctrl-0 = <&i2c0_pins_a>;
 114         status = "okay";
 115
 116         axp209: pmic@34 {
 117                 reg = <0x34>;
 118                 interrupt-parent = <&nmi_intc>;
 119                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 120         };
 121 };
 122
 123 &i2c1 {
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&i2c1_pins_a>;
 126         status = "okay";
 127 };
 128
 129 &i2c2 {
 130         pinctrl-names = "default";
 131         pinctrl-0 = <&i2c2_pins_a>;
 132         status = "okay";
 133 };
 134
 135 &lradc {
 136         vref-supply = <&reg_vcc3v0>;
 137         status = "okay";
 138
 139         button@190 {
 140                 label = "Volume Up";
 141                 linux,code = <KEY_VOLUMEUP>;
 142                 channel = <0>;
 143                 voltage = <190000>;
 144         };
 145
 146         button@390 {
 147                 label = "Volume Down";
 148                 linux,code = <KEY_VOLUMEDOWN>;
 149                 channel = <0>;
 150                 voltage = <390000>;
 151         };
 152
 153         button@600 {
 154                 label = "Menu";
 155                 linux,code = <KEY_MENU>;
 156                 channel = <0>;
 157                 voltage = <600000>;
 158         };
 159
 160         button@800 {
 161                 label = "Search";
 162                 linux,code = <KEY_SEARCH>;
 163                 channel = <0>;
 164                 voltage = <800000>;
 165         };
 166
 167         button@980 {
 168                 label = "Home";
 169                 linux,code = <KEY_HOMEPAGE>;
 170                 channel = <0>;
 171                 voltage = <980000>;
 172         };
 173
 174         button@1180 {
 175                 label = "Esc";
 176                 linux,code = <KEY_ESC>;
 177                 channel = <0>;
 178                 voltage = <1180000>;
 179         };
 180
 181         button@1400 {
 182                 label = "Enter";
 183                 linux,code = <KEY_ENTER>;
 184                 channel = <0>;
 185                 voltage = <1400000>;
 186         };
 187 };
 188
 189 &mmc0 {
 190         pinctrl-names = "default";
 191         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 192         vmmc-supply = <&reg_vcc3v3>;
 193         bus-width = <4>;
 194         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 195         cd-inverted;
 196         status = "okay";
 197 };
 198
 199 &mmc3 {
 200         pinctrl-names = "default";
 201         pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olimex_som_evb>;
 202         vmmc-supply = <&reg_vcc3v3>;
 203         bus-width = <4>;
 204         cd-gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>; /* PH0 */
 205         cd-inverted;
 206         status = "okay";
 207 };
 208
 209 &ohci0 {
 210         status = "okay";
 211 };
 212
 213 &ohci1 {
 214         status = "okay";
 215 };
 216
 217 &otg_sram {
 218         status = "okay";
 219 };
 220
 221 &pio {
 222         ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
 223                 pins = "PC3";
 224                 function = "gpio_out";
 225         };
 226
 227         led_pins_olimex_som_evb: led_pins@0 {
 228                 pins = "PH2";
 229                 function = "gpio_out";
 230                 drive-strength = <20>;
 231         };
 232
 233         mmc3_cd_pin_olimex_som_evb: mmc3_cd_pin@0 {
 234                 pins = "PH0";
 235                 function = "gpio_in";
 236                 bias-pull-up;
 237         };
 238
 239         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 240                 pins = "PH4";
 241                 function = "gpio_in";
 242         };
 243
 244         usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
 245                 pins = "PH5";
 246                 function = "gpio_in";
 247         };
 248 };
 249
 250 &reg_ahci_5v {
 251         pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
 252         gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
 253         status = "okay";
 254 };
 255
 256 #include "axp209.dtsi"
 257
 258 &reg_dcdc2 {
 259         regulator-always-on;
 260         regulator-min-microvolt = <1000000>;
 261         regulator-max-microvolt = <1400000>;
 262         regulator-name = "vdd-cpu";
 263 };
 264
 265 &reg_dcdc3 {
 266         regulator-always-on;
 267         regulator-min-microvolt = <1000000>;
 268         regulator-max-microvolt = <1400000>;
 269         regulator-name = "vdd-int-dll";
 270 };
 271
 272 &reg_ldo1 {
 273         regulator-name = "vdd-rtc";
 274 };
 275
 276 &reg_ldo2 {
 277         regulator-always-on;
 278         regulator-min-microvolt = <3000000>;
 279         regulator-max-microvolt = <3000000>;
 280         regulator-name = "avcc";
 281 };
 282
 283 &reg_usb0_vbus {
 284         status = "okay";
 285 };
 286
 287 &reg_usb1_vbus {
 288         status = "okay";
 289 };
 290
 291 &reg_usb2_vbus {
 292         status = "okay";
 293 };
 294
 295 &spi1 {
 296         pinctrl-names = "default";
 297         pinctrl-0 = <&spi1_pins_a>,
 298                     <&spi1_cs0_pins_a>;
 299         status = "okay";
 300 };
 301
 302 &spi2 {
 303         pinctrl-names = "default";
 304         pinctrl-0 = <&spi2_pins_a>,
 305                     <&spi2_cs0_pins_a>;
 306         status = "okay";
 307 };
 308
 309 &uart0 {
 310         pinctrl-names = "default";
 311         pinctrl-0 = <&uart0_pins_a>;
 312         status = "okay";
 313 };
 314
 315 &uart6 {
 316         pinctrl-names = "default";
 317         pinctrl-0 = <&uart6_pins_a>;
 318         status = "okay";
 319 };
 320
 321 &uart7 {
 322         pinctrl-names = "default";
 323         pinctrl-0 = <&uart7_pins_a>;
 324         status = "okay";
 325 };
 326
 327 &usb_otg {
 328         dr_mode = "otg";
 329         status = "okay";
 330 };
 331
 332 &usbphy {
 333         pinctrl-names = "default";
 334         pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
 335         usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
 336         usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
 337         usb0_vbus-supply = <&reg_usb0_vbus>;
 338         usb1_vbus-supply = <&reg_usb1_vbus>;
 339         usb2_vbus-supply = <&reg_usb2_vbus>;
 340         status = "okay";
 341 };