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 &lradc {
 124         vref-supply = <&reg_vcc3v0>;
 125         status = "okay";
 126
 127         button@190 {
 128                 label = "Volume Up";
 129                 linux,code = <KEY_VOLUMEUP>;
 130                 channel = <0>;
 131                 voltage = <190000>;
 132         };
 133
 134         button@390 {
 135                 label = "Volume Down";
 136                 linux,code = <KEY_VOLUMEDOWN>;
 137                 channel = <0>;
 138                 voltage = <390000>;
 139         };
 140
 141         button@600 {
 142                 label = "Menu";
 143                 linux,code = <KEY_MENU>;
 144                 channel = <0>;
 145                 voltage = <600000>;
 146         };
 147
 148         button@800 {
 149                 label = "Search";
 150                 linux,code = <KEY_SEARCH>;
 151                 channel = <0>;
 152                 voltage = <800000>;
 153         };
 154
 155         button@980 {
 156                 label = "Home";
 157                 linux,code = <KEY_HOMEPAGE>;
 158                 channel = <0>;
 159                 voltage = <980000>;
 160         };
 161
 162         button@1180 {
 163                 label = "Esc";
 164                 linux,code = <KEY_ESC>;
 165                 channel = <0>;
 166                 voltage = <1180000>;
 167         };
 168
 169         button@1400 {
 170                 label = "Enter";
 171                 linux,code = <KEY_ENTER>;
 172                 channel = <0>;
 173                 voltage = <1400000>;
 174         };
 175 };
 176
 177 &mmc0 {
 178         pinctrl-names = "default";
 179         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 180         vmmc-supply = <&reg_vcc3v3>;
 181         bus-width = <4>;
 182         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 183         cd-inverted;
 184         status = "okay";
 185 };
 186
 187 &mmc3 {
 188         pinctrl-names = "default";
 189         pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olimex_som_evb>;
 190         vmmc-supply = <&reg_vcc3v3>;
 191         bus-width = <4>;
 192         cd-gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>; /* PH0 */
 193         cd-inverted;
 194         status = "okay";
 195 };
 196
 197 &ohci0 {
 198         status = "okay";
 199 };
 200
 201 &ohci1 {
 202         status = "okay";
 203 };
 204
 205 &otg_sram {
 206         status = "okay";
 207 };
 208
 209 &pio {
 210         ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
 211                 allwinner,pins = "PC3";
 212                 allwinner,function = "gpio_out";
 213                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 214                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 215         };
 216
 217         led_pins_olimex_som_evb: led_pins@0 {
 218                 allwinner,pins = "PH2";
 219                 allwinner,function = "gpio_out";
 220                 allwinner,drive = <SUN4I_PINCTRL_20_MA>;
 221                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 222         };
 223
 224         mmc3_cd_pin_olimex_som_evb: mmc3_cd_pin@0 {
 225                 allwinner,pins = "PH0";
 226                 allwinner,function = "gpio_in";
 227                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 228                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 229         };
 230
 231         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 232                 allwinner,pins = "PH4";
 233                 allwinner,function = "gpio_in";
 234                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 235                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 236         };
 237
 238         usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
 239                 allwinner,pins = "PH5";
 240                 allwinner,function = "gpio_in";
 241                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 242                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 243         };
 244 };
 245
 246 &reg_ahci_5v {
 247         pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
 248         gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
 249         status = "okay";
 250 };
 251
 252 #include "axp209.dtsi"
 253
 254 &reg_dcdc2 {
 255         regulator-always-on;
 256         regulator-min-microvolt = <1000000>;
 257         regulator-max-microvolt = <1400000>;
 258         regulator-name = "vdd-cpu";
 259 };
 260
 261 &reg_dcdc3 {
 262         regulator-always-on;
 263         regulator-min-microvolt = <1000000>;
 264         regulator-max-microvolt = <1400000>;
 265         regulator-name = "vdd-int-dll";
 266 };
 267
 268 &reg_ldo1 {
 269         regulator-name = "vdd-rtc";
 270 };
 271
 272 &reg_ldo2 {
 273         regulator-always-on;
 274         regulator-min-microvolt = <3000000>;
 275         regulator-max-microvolt = <3000000>;
 276         regulator-name = "avcc";
 277 };
 278
 279 &reg_usb0_vbus {
 280         status = "okay";
 281 };
 282
 283 &reg_usb1_vbus {
 284         status = "okay";
 285 };
 286
 287 &reg_usb2_vbus {
 288         status = "okay";
 289 };
 290
 291 &uart0 {
 292         pinctrl-names = "default";
 293         pinctrl-0 = <&uart0_pins_a>;
 294         status = "okay";
 295 };
 296
 297 &usb_otg {
 298         dr_mode = "otg";
 299         status = "okay";
 300 };
 301
 302 &usbphy {
 303         pinctrl-names = "default";
 304         pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
 305         usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
 306         usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
 307         usb0_vbus-supply = <&reg_usb0_vbus>;
 308         usb1_vbus-supply = <&reg_usb1_vbus>;
 309         usb2_vbus-supply = <&reg_usb2_vbus>;
 310         status = "okay";
 311 };