arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts

   1 /*
   2  * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun4i-a10.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46 #include <dt-bindings/gpio/gpio.h>
  47 #include <dt-bindings/input/input.h>
  48 #include <dt-bindings/interrupt-controller/irq.h>
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50
  51 / {
  52         model = "Point of View Protab2-IPS9";
  53         compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
  54
  55         aliases {
  56                 serial0 = &uart0;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62 };
  63
  64 &cpu0 {
  65         cpu-supply = <&reg_dcdc2>;
  66 };
  67
  68 &ehci0 {
  69         status = "okay";
  70 };
  71
  72 &i2c0 {
  73         pinctrl-names = "default";
  74         pinctrl-0 = <&i2c0_pins_a>;
  75         status = "okay";
  76
  77         axp209: pmic@34 {
  78                 reg = <0x34>;
  79                 interrupts = <0>;
  80         };
  81 };
  82
  83 #include "axp209.dtsi"
  84
  85 &i2c1 {
  86         pinctrl-names = "default";
  87         pinctrl-0 = <&i2c1_pins_a>;
  88         /* pull-ups and devices require AXP209 LDO3 */
  89         status = "failed";
  90 };
  91
  92 &i2c2 {
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&i2c2_pins_a>;
  95         status = "okay";
  96 };
  97
  98 &lradc {
  99         vref-supply = <&reg_ldo2>;
 100         status = "okay";
 101
 102         button@400 {
 103                 label = "Volume Up";
 104                 linux,code = <KEY_VOLUMEUP>;
 105                 channel = <0>;
 106                 voltage = <400000>;
 107         };
 108
 109         button@800 {
 110                 label = "Volume Down";
 111                 linux,code = <KEY_VOLUMEDOWN>;
 112                 channel = <0>;
 113                 voltage = <800000>;
 114         };
 115 };
 116
 117 &mmc0 {
 118         pinctrl-names = "default";
 119         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 120         vmmc-supply = <&reg_vcc3v3>;
 121         bus-width = <4>;
 122         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 123         cd-inverted;
 124         status = "okay";
 125 };
 126
 127 &otg_sram {
 128         status = "okay";
 129 };
 130
 131 &pio {
 132         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 133                 allwinner,pins = "PH4";
 134                 allwinner,function = "gpio_in";
 135                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 136                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 137         };
 138
 139         usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
 140                 allwinner,pins = "PH5";
 141                 allwinner,function = "gpio_in";
 142                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 143                 allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
 144         };
 145 };
 146
 147 &reg_dcdc2 {
 148         regulator-always-on;
 149         regulator-min-microvolt = <1000000>;
 150         regulator-max-microvolt = <1400000>;
 151         regulator-name = "vdd-cpu";
 152 };
 153
 154 &reg_dcdc3 {
 155         regulator-always-on;
 156         regulator-min-microvolt = <1250000>;
 157         regulator-max-microvolt = <1250000>;
 158         regulator-name = "vdd-int-dll";
 159 };
 160
 161 &reg_ldo1 {
 162         regulator-name = "vdd-rtc";
 163 };
 164
 165 &reg_ldo2 {
 166         regulator-always-on;
 167         regulator-min-microvolt = <3000000>;
 168         regulator-max-microvolt = <3000000>;
 169         regulator-name = "avcc";
 170 };
 171
 172 &reg_usb0_vbus {
 173         status = "okay";
 174 };
 175
 176 &reg_usb1_vbus {
 177         status = "okay";
 178 };
 179
 180 &uart0 {
 181         pinctrl-names = "default";
 182         pinctrl-0 = <&uart0_pins_a>;
 183         status = "okay";
 184 };
 185
 186 &usb_otg {
 187         dr_mode = "otg";
 188         status = "okay";
 189 };
 190
 191 &usbphy {
 192         pinctrl-names = "default";
 193         pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
 194         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 195         usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 196         usb0_vbus-supply = <&reg_usb0_vbus>;
 197         usb1_vbus-supply = <&reg_usb1_vbus>;
 198         status = "okay";
 199 };