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

0001 /*
0002  * Copyright 2016 Free Electrons
0003  * Copyright 2016 NextThing Co
0004  *
0005  * Maxime Ripard <maxime.ripard@free-electrons.com>
0006  *
0007  * This file is dual-licensed: you can use it either under the terms
0008  * of the GPL or the X11 license, at your option. Note that this dual
0009  * licensing only applies to this file, and not this project as a
0010  * whole.
0011  *
0012  *  a) This file is free software; you can redistribute it and/or
0013  *     modify it under the terms of the GNU General Public License as
0014  *     published by the Free Software Foundation; either version 2 of the
0015  *     License, or (at your option) any later version.
0016  *
0017  *     This file is distributed in the hope that it will be useful,
0018  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0019  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0020  *     GNU General Public License for more details.
0021  *
0022  * Or, alternatively,
0023  *
0024  *  b) Permission is hereby granted, free of charge, to any person
0025  *     obtaining a copy of this software and associated documentation
0026  *     files (the "Software"), to deal in the Software without
0027  *     restriction, including without limitation the rights to use,
0028  *     copy, modify, merge, publish, distribute, sublicense, and/or
0029  *     sell copies of the Software, and to permit persons to whom the
0030  *     Software is furnished to do so, subject to the following
0031  *     conditions:
0032  *
0033  *     The above copyright notice and this permission notice shall be
0034  *     included in all copies or substantial portions of the Software.
0035  *
0036  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0037  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0038  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0039  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0040  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0041  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0042  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0043  *     OTHER DEALINGS IN THE SOFTWARE.
0044  */
0045
0046 /dts-v1/;
0047 #include "sun5i-gr8.dtsi"
0048 #include "sunxi-common-regulators.dtsi"
0049
0050 #include <dt-bindings/gpio/gpio.h>
0051 #include <dt-bindings/input/input.h>
0052 #include <dt-bindings/interrupt-controller/irq.h>
0053
0054 / {
0055         model = "NextThing C.H.I.P. Pro";
0056         compatible = "nextthing,chip-pro", "nextthing,gr8";
0057
0058         aliases {
0059                 i2c0 = &i2c0;
0060                 i2c1 = &i2c1;
0061                 serial0 = &uart1;
0062                 serial1 = &uart2;
0063                 serial2 = &uart3;
0064         };
0065
0066         chosen {
0067                 stdout-path = "serial0:115200n8";
0068         };
0069
0070         leds {
0071                 compatible = "gpio-leds";
0072
0073                 status {
0074                         label = "chip-pro:white:status";
0075                         gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
0076                         default-state = "on";
0077                 };
0078         };
0079
0080         mmc0_pwrseq: mmc0_pwrseq {
0081                 compatible = "mmc-pwrseq-simple";
0082                 reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
0083         };
0084 };
0085
0086 &codec {
0087         status = "okay";
0088 };
0089
0090 &ehci0 {
0091         status = "okay";
0092 };
0093
0094 &i2c0 {
0095         status = "okay";
0096
0097         axp209: pmic@34 {
0098                 reg = <0x34>;
0099
0100                 /*
0101                 * The interrupt is routed through the "External Fast
0102                 * Interrupt Request" pin (ball G13 of the module)
0103                 * directly to the main interrupt controller, without
0104                 * any other controller interfering.
0105                 */
0106                 interrupts = <0>;
0107         };
0108 };
0109
0110 #include "axp209.dtsi"
0111
0112 &i2c1 {
0113         status = "disabled";
0114 };
0115
0116 &i2s0 {
0117         pinctrl-names = "default";
0118         pinctrl-0 = <&i2s0_mclk_pin>, <&i2s0_data_pins>;
0119         status = "disabled";
0120 };
0121
0122 &mmc0 {
0123         vmmc-supply = <&reg_vcc3v3>;
0124         mmc-pwrseq = <&mmc0_pwrseq>;
0125         bus-width = <4>;
0126         non-removable;
0127         status = "okay";
0128 };
0129
0130 &nfc {
0131         pinctrl-names = "default";
0132         pinctrl-0 = <&nand_pins &nand_cs0_pin &nand_rb0_pin>;
0133         status = "okay";
0134
0135         nand@0 {
0136                 reg = <0>;
0137                 allwinner,rb = <0>;
0138                 nand-ecc-mode = "hw";
0139         };
0140 };
0141
0142 &ohci0 {
0143         status = "okay";
0144 };
0145
0146 &otg_sram {
0147         status = "okay";
0148 };
0149
0150 &pwm {
0151         pinctrl-names = "default";
0152         pinctrl-0 = <&pwm0_pin>, <&pwm1_pins>;
0153         status = "disabled";
0154 };
0155
0156 &reg_dcdc2 {
0157         regulator-min-microvolt = <1000000>;
0158         regulator-max-microvolt = <1400000>;
0159         regulator-name = "vdd-cpu";
0160         regulator-always-on;
0161 };
0162
0163 &reg_dcdc3 {
0164         regulator-min-microvolt = <1000000>;
0165         regulator-max-microvolt = <1300000>;
0166         regulator-name = "vdd-sys";
0167         regulator-always-on;
0168 };
0169
0170 &reg_ldo1 {
0171         regulator-name = "vdd-rtc";
0172 };
0173
0174 &reg_ldo2 {
0175         regulator-min-microvolt = <2700000>;
0176         regulator-max-microvolt = <3300000>;
0177         regulator-name = "avcc";
0178         regulator-always-on;
0179 };
0180
0181 /*
0182  * Both LDO3 and LDO4 are used in parallel to power up the
0183  * WiFi/BT chip.
0184  */
0185 &reg_ldo3 {
0186         regulator-min-microvolt = <3300000>;
0187         regulator-max-microvolt = <3300000>;
0188         regulator-name = "vcc-wifi-1";
0189         regulator-always-on;
0190 };
0191
0192 &reg_ldo4 {
0193         regulator-min-microvolt = <3300000>;
0194         regulator-max-microvolt = <3300000>;
0195         regulator-name = "vcc-wifi-2";
0196         regulator-always-on;
0197 };
0198
0199 &uart1 {
0200         pinctrl-names = "default";
0201         pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>;
0202         status = "okay";
0203 };
0204
0205 &uart2 {
0206         pinctrl-names = "default";
0207         pinctrl-0 = <&uart2_pd_pins>, <&uart2_cts_rts_pd_pins>;
0208         status = "disabled";
0209 };
0210
0211 &uart3 {
0212         pinctrl-names = "default";
0213         pinctrl-0 = <&uart3_pg_pins>, <&uart3_cts_rts_pg_pins>;
0214         status = "okay";
0215 };
0216
0217 &usb_otg {
0218         /*
0219          * The CHIP Pro doesn't have a controllable VBUS, nor does it
0220          * have any 5v rail on the board itself.
0221          *
0222          * If one wants to use it as a true OTG port, it should be
0223          * done in the baseboard, and its DT / overlay will add it.
0224          */
0225         dr_mode = "otg";
0226         status = "okay";
0227 };
0228
0229 &usb_power_supply {
0230         status = "okay";
0231 };
0232
0233 &usbphy {
0234         usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
0235         usb0_vbus_power-supply = <&usb_power_supply>;
0236         usb1_vbus-supply = <&reg_vcc5v0>;
0237         status = "okay";
0238 };