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&ehci0 { 70 status = "okay"; 71}; 72 73&i2c0 { 74 pinctrl-names = "default"; 75 pinctrl-0 = <&i2c0_pins_a>; 76 status = "okay"; 77 78 axp209: pmic@34 { 79 reg = <0x34>; 80 81 /* 82 * The interrupt is routed through the "External Fast 83 * Interrupt Request" pin (ball G13 of the module) 84 * directly to the main interrupt controller, without 85 * any other controller interfering. 86 */ 87 interrupts = <0>; 88 }; 89}; 90 91#include "axp209.dtsi" 92 93&i2c2 { 94 pinctrl-names = "default"; 95 pinctrl-0 = <&i2c2_pins_a>; 96 status = "okay"; 97 98 xio: gpio@38 { 99 compatible = "nxp,pcf8574a"; 100 reg = <0x38>; 101 102 gpio-controller; 103 #gpio-cells = <2>; 104 105 interrupt-parent = <&pio>; 106 interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>; 107 interrupt-controller; 108 #interrupt-cells = <2>; 109 }; 110}; 111 112&mmc0 { 113 pinctrl-names = "default"; 114 pinctrl-0 = <&mmc0_pins_a>; 115 vmmc-supply = <®_vcc3v3>; 116 bus-width = <4>; 117 non-removable; 118 status = "okay"; 119}; 120 121&ohci0 { 122 status = "okay"; 123}; 124 125&otg_sram { 126 status = "okay"; 127}; 128 129&pio { 130 chip_vbus_pin: chip_vbus_pin@0 { 131 allwinner,pins = "PB10"; 132 allwinner,function = "gpio_out"; 133 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 134 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 135 }; 136 137 chip_id_det_pin: chip_id_det_pin@0 { 138 allwinner,pins = "PG2"; 139 allwinner,function = "gpio_in"; 140 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 141 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 142 }; 143}; 144 145®_dcdc2 { 146 regulator-min-microvolt = <1000000>; 147 regulator-max-microvolt = <1400000>; 148 regulator-name = "cpuvdd"; 149 regulator-always-on; 150}; 151 152®_dcdc3 { 153 regulator-min-microvolt = <1000000>; 154 regulator-max-microvolt = <1300000>; 155 regulator-name = "corevdd"; 156 regulator-always-on; 157}; 158 159®_ldo1 { 160 regulator-name = "rtcvdd"; 161}; 162 163®_ldo2 { 164 regulator-min-microvolt = <2700000>; 165 regulator-max-microvolt = <3300000>; 166 regulator-name = "avcc"; 167 regulator-always-on; 168}; 169 170®_ldo5 { 171 regulator-min-microvolt = <1800000>; 172 regulator-max-microvolt = <1800000>; 173 regulator-name = "vcc-1v8"; 174}; 175 176®_usb0_vbus { 177 pinctrl-0 = <&chip_vbus_pin>; 178 vin-supply = <®_vcc5v0>; 179 gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */ 180 status = "okay"; 181}; 182 183&uart1 { 184 pinctrl-names = "default"; 185 pinctrl-0 = <&uart1_pins_b>; 186 status = "okay"; 187}; 188 189&uart3 { 190 pinctrl-names = "default"; 191 pinctrl-0 = <&uart3_pins_a>, 192 <&uart3_pins_cts_rts_a>; 193 status = "okay"; 194}; 195 196&usb_otg { 197 dr_mode = "otg"; 198 status = "okay"; 199}; 200 201&usb_power_supply { 202 status = "okay"; 203}; 204 205&usbphy { 206 pinctrl-names = "default"; 207 pinctrl-0 = <&chip_id_det_pin>; 208 status = "okay"; 209 210 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ 211 usb0_vbus_power-supply = <&usb_power_supply>; 212 usb0_vbus-supply = <®_usb0_vbus>; 213 usb1_vbus-supply = <®_vcc5v0>; 214}; 215