arch/arm/boot/dts/sun5i-gr8-chip-pro.dts

   1 /*
   2  * Copyright 2016 Free Electrons
   3  * Copyright 2016 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-gr8.dtsi"
  48 #include "sunxi-common-regulators.dtsi"
  49
  50 #include <dt-bindings/gpio/gpio.h>
  51 #include <dt-bindings/input/input.h>
  52 #include <dt-bindings/interrupt-controller/irq.h>
  53
  54 / {
  55         model = "NextThing C.H.I.P. Pro";
  56         compatible = "nextthing,chip-pro", "nextthing,gr8";
  57
  58         aliases {
  59                 i2c0 = &i2c0;
  60                 i2c1 = &i2c1;
  61                 serial0 = &uart1;
  62                 serial1 = &uart2;
  63                 serial2 = &uart3;
  64         };
  65
  66         chosen {
  67                 stdout-path = "serial0:115200n8";
  68         };
  69
  70         leds {
  71                 compatible = "gpio-leds";
  72
  73                 status {
  74                         label = "chip-pro:white:status";
  75                         gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
  76                         default-state = "on";
  77                 };
  78         };
  79
  80         mmc0_pwrseq: mmc0_pwrseq {
  81                 compatible = "mmc-pwrseq-simple";
  82                 reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
  83         };
  84 };
  85
  86 &codec {
  87         status = "okay";
  88 };
  89
  90 &ehci0 {
  91         status = "okay";
  92 };
  93
  94 &i2c0 {
  95         status = "okay";
  96
  97         axp209: pmic@34 {
  98                 reg = <0x34>;
  99
 100                 /*
 101                 * The interrupt is routed through the "External Fast
 102                 * Interrupt Request" pin (ball G13 of the module)
 103                 * directly to the main interrupt controller, without
 104                 * any other controller interfering.
 105                 */
 106                 interrupts = <0>;
 107         };
 108 };
 109
 110 #include "axp209.dtsi"
 111
 112 &i2c1 {
 113         status = "disabled";
 114 };
 115
 116 &i2s0 {
 117         pinctrl-names = "default";
 118         pinctrl-0 = <&i2s0_mclk_pin>, <&i2s0_data_pins>;
 119         status = "disabled";
 120 };
 121
 122 &mmc0 {
 123         vmmc-supply = <&reg_vcc3v3>;
 124         mmc-pwrseq = <&mmc0_pwrseq>;
 125         bus-width = <4>;
 126         non-removable;
 127         status = "okay";
 128 };
 129
 130 &nfc {
 131         pinctrl-names = "default";
 132         pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
 133         status = "okay";
 134
 135         nand@0 {
 136                 #address-cells = <2>;
 137                 #size-cells = <2>;
 138                 reg = <0>;
 139                 allwinner,rb = <0>;
 140                 nand-ecc-mode = "hw";
 141         };
 142 };
 143
 144 &ohci0 {
 145         status = "okay";
 146 };
 147
 148 &otg_sram {
 149         status = "okay";
 150 };
 151
 152 &pwm {
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&pwm0_pin>, <&pwm1_pins>;
 155         status = "disabled";
 156 };
 157
 158 &reg_dcdc2 {
 159         regulator-min-microvolt = <1000000>;
 160         regulator-max-microvolt = <1400000>;
 161         regulator-name = "vdd-cpu";
 162         regulator-always-on;
 163 };
 164
 165 &reg_dcdc3 {
 166         regulator-min-microvolt = <1000000>;
 167         regulator-max-microvolt = <1300000>;
 168         regulator-name = "vdd-sys";
 169         regulator-always-on;
 170 };
 171
 172 &reg_ldo1 {
 173         regulator-name = "vdd-rtc";
 174 };
 175
 176 &reg_ldo2 {
 177         regulator-min-microvolt = <2700000>;
 178         regulator-max-microvolt = <3300000>;
 179         regulator-name = "avcc";
 180         regulator-always-on;
 181 };
 182
 183 /*
 184  * Both LDO3 and LDO4 are used in parallel to power up the
 185  * WiFi/BT chip.
 186  */
 187 &reg_ldo3 {
 188         regulator-min-microvolt = <3300000>;
 189         regulator-max-microvolt = <3300000>;
 190         regulator-name = "vcc-wifi-1";
 191         regulator-always-on;
 192 };
 193
 194 &reg_ldo4 {
 195         regulator-min-microvolt = <3300000>;
 196         regulator-max-microvolt = <3300000>;
 197         regulator-name = "vcc-wifi-2";
 198         regulator-always-on;
 199 };
 200
 201 &uart1 {
 202         pinctrl-names = "default";
 203         pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>;
 204         status = "okay";
 205 };
 206
 207 &uart2 {
 208         pinctrl-names = "default";
 209         pinctrl-0 = <&uart2_pd_pins>, <&uart2_cts_rts_pd_pins>;
 210         status = "disabled";
 211 };
 212
 213 &uart3 {
 214         pinctrl-names = "default";
 215         pinctrl-0 = <&uart3_pg_pins>, <&uart3_cts_rts_pg_pins>;
 216         status = "okay";
 217 };
 218
 219 &usb_otg {
 220         /*
 221          * The CHIP Pro doesn't have a controllable VBUS, nor does it
 222          * have any 5v rail on the board itself.
 223          *
 224          * If one wants to use it as a true OTG port, it should be
 225          * done in the baseboard, and its DT / overlay will add it.
 226          */
 227         dr_mode = "otg";
 228         status = "okay";
 229 };
 230
 231 &usb_power_supply {
 232         status = "okay";
 233 };
 234
 235 &usbphy {
 236         usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 237         usb0_vbus_power-supply = <&usb_power_supply>;
 238         usb1_vbus-supply = <&reg_vcc5v0>;
 239         status = "okay";
 240 };