arch/arm/boot/dts/sun5i-r8-chip.dts

   1 /*
   2  * Copyright 2015 Free Electrons
   3  * Copyright 2015 NextThing Co
   4  *
   5  * Maxime Ripard <maxime.ripard@free-electrons.com>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 /dts-v1/;
  47 #include "sun5i-r8.dtsi"
  48 #include "sunxi-common-regulators.dtsi"
  49
  50 #include <dt-bindings/gpio/gpio.h>
  51 #include <dt-bindings/interrupt-controller/irq.h>
  52
  53 / {
  54         model = "NextThing C.H.I.P.";
  55         compatible = "nextthing,chip", "allwinner,sun5i-r8";
  56
  57         aliases {
  58                 i2c0 = &i2c0;
  59                 i2c2 = &i2c2;
  60                 serial0 = &uart1;
  61                 serial1 = &uart3;
  62         };
  63
  64         chosen {
  65                 stdout-path = "serial0:115200n8";
  66         };
  67 };
  68
  69 &codec {
  70         status = "okay";
  71 };
  72
  73 &cpu0 {
  74         cpu-supply = <&reg_dcdc2>;
  75 };
  76
  77 &ehci0 {
  78         status = "okay";
  79 };
  80
  81 &i2c0 {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&i2c0_pins_a>;
  84         status = "okay";
  85
  86         axp209: pmic@34 {
  87                 reg = <0x34>;
  88
  89                 /*
  90                  * The interrupt is routed through the "External Fast
  91                  * Interrupt Request" pin (ball G13 of the module)
  92                  * directly to the main interrupt controller, without
  93                  * any other controller interfering.
  94                  */
  95                 interrupts = <0>;
  96         };
  97 };
  98
  99 #include "axp209.dtsi"
 100
 101 &i2c2 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&i2c2_pins_a>;
 104         status = "okay";
 105
 106         xio: gpio@38 {
 107                 compatible = "nxp,pcf8574a";
 108                 reg = <0x38>;
 109
 110                 gpio-controller;
 111                 #gpio-cells = <2>;
 112
 113                 interrupt-parent = <&pio>;
 114                 interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
 115                 interrupt-controller;
 116                 #interrupt-cells = <2>;
 117         };
 118 };
 119
 120 &mmc0 {
 121         pinctrl-names = "default";
 122         pinctrl-0 = <&mmc0_pins_a>;
 123         vmmc-supply = <&reg_vcc3v3>;
 124         bus-width = <4>;
 125         non-removable;
 126         status = "okay";
 127 };
 128
 129 &ohci0 {
 130         status = "okay";
 131 };
 132
 133 &otg_sram {
 134         status = "okay";
 135 };
 136
 137 &pio {
 138         chip_vbus_pin: chip_vbus_pin@0 {
 139                 allwinner,pins = "PB10";
 140                 allwinner,function = "gpio_out";
 141                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 142                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 143         };
 144
 145         chip_id_det_pin: chip_id_det_pin@0 {
 146                 allwinner,pins = "PG2";
 147                 allwinner,function = "gpio_in";
 148                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 149                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 150         };
 151 };
 152
 153 &reg_dcdc2 {
 154         regulator-min-microvolt = <1000000>;
 155         regulator-max-microvolt = <1400000>;
 156         regulator-name = "cpuvdd";
 157         regulator-always-on;
 158 };
 159
 160 &reg_dcdc3 {
 161         regulator-min-microvolt = <1000000>;
 162         regulator-max-microvolt = <1300000>;
 163         regulator-name = "corevdd";
 164         regulator-always-on;
 165 };
 166
 167 &reg_ldo1 {
 168         regulator-name = "rtcvdd";
 169 };
 170
 171 &reg_ldo2 {
 172         regulator-min-microvolt = <2700000>;
 173         regulator-max-microvolt = <3300000>;
 174         regulator-name = "avcc";
 175         regulator-always-on;
 176 };
 177
 178 &reg_ldo5 {
 179         regulator-min-microvolt = <1800000>;
 180         regulator-max-microvolt = <1800000>;
 181         regulator-name = "vcc-1v8";
 182 };
 183
 184 &reg_usb0_vbus {
 185         pinctrl-0 = <&chip_vbus_pin>;
 186         vin-supply = <&reg_vcc5v0>;
 187         gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
 188         status = "okay";
 189 };
 190
 191 &uart1 {
 192         pinctrl-names = "default";
 193         pinctrl-0 = <&uart1_pins_b>;
 194         status = "okay";
 195 };
 196
 197 &uart3 {
 198         pinctrl-names = "default";
 199         pinctrl-0 = <&uart3_pins_a>,
 200                     <&uart3_pins_cts_rts_a>;
 201         status = "okay";
 202 };
 203
 204 &usb_otg {
 205         dr_mode = "otg";
 206         status = "okay";
 207 };
 208
 209 &usb_power_supply {
 210         status = "okay";
 211 };
 212
 213 &usbphy {
 214         pinctrl-names = "default";
 215         pinctrl-0 = <&chip_id_det_pin>;
 216         status = "okay";
 217
 218         usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 219         usb0_vbus_power-supply = <&usb_power_supply>;
 220         usb0_vbus-supply = <&reg_usb0_vbus>;
 221         usb1_vbus-supply = <&reg_vcc5v0>;
 222 };