2 * Copyright 2015 Free Electrons
3 * Copyright 2015 NextThing Co
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
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
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.
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.
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
33 * The above copyright notice and this permission notice shall be
34 * included in all copies or substantial portions of the Software.
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.
47 #include "sun5i-r8.dtsi"
48 #include "sunxi-common-regulators.dtsi"
50 #include <dt-bindings/gpio/gpio.h>
51 #include <dt-bindings/interrupt-controller/irq.h>
54 model = "NextThing C.H.I.P.";
55 compatible = "nextthing,chip", "allwinner,sun5i-r8";
65 stdout-path = "serial0:115200n8";
68 wifi_reg_on: wifi_reg_on {
69 compatible = "regulator-fixed";
70 pinctrl-names = "default";
71 pinctrl-0 = <&chip_wifi_reg_on_pin>;
73 regulator-name = "wifi-reg-on";
74 regulator-min-microvolt = <3300000>;
75 regulator-max-microvolt = <3300000>;
76 gpio = <&pio 2 19 GPIO_ACTIVE_HIGH>; /* PC19 */
86 cpu-supply = <®_dcdc2>;
94 pinctrl-names = "default";
95 pinctrl-0 = <&i2c0_pins_a>;
102 * The interrupt is routed through the "External Fast
103 * Interrupt Request" pin (ball G13 of the module)
104 * directly to the main interrupt controller, without
105 * any other controller interfering.
111 #include "axp209.dtsi"
114 pinctrl-names = "default";
115 pinctrl-0 = <&i2c2_pins_a>;
119 compatible = "nxp,pcf8574a";
125 interrupt-parent = <&pio>;
126 interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
127 interrupt-controller;
128 #interrupt-cells = <2>;
133 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
137 pinctrl-names = "default";
138 pinctrl-0 = <&mmc0_pins_a>;
139 vmmc-supply = <&wifi_reg_on>;
154 chip_vbus_pin: chip_vbus_pin@0 {
155 allwinner,pins = "PB10";
156 allwinner,function = "gpio_out";
157 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
158 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
161 chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
162 allwinner,pins = "PC19";
163 allwinner,function = "gpio_out";
164 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
165 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
168 chip_id_det_pin: chip_id_det_pin@0 {
169 allwinner,pins = "PG2";
170 allwinner,function = "gpio_in";
171 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
172 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
177 regulator-min-microvolt = <1000000>;
178 regulator-max-microvolt = <1400000>;
179 regulator-name = "cpuvdd";
184 regulator-min-microvolt = <1000000>;
185 regulator-max-microvolt = <1300000>;
186 regulator-name = "corevdd";
191 regulator-name = "rtcvdd";
195 regulator-min-microvolt = <2700000>;
196 regulator-max-microvolt = <3300000>;
197 regulator-name = "avcc";
202 regulator-min-microvolt = <3300000>;
203 regulator-max-microvolt = <3300000>;
204 regulator-name = "vdd-wifi1";
209 regulator-min-microvolt = <3300000>;
210 regulator-max-microvolt = <3300000>;
211 regulator-name = "vdd-wifi2";
216 regulator-min-microvolt = <1800000>;
217 regulator-max-microvolt = <1800000>;
218 regulator-name = "vcc-1v8";
222 pinctrl-0 = <&chip_vbus_pin>;
223 vin-supply = <®_vcc5v0>;
224 gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
229 pinctrl-names = "default";
230 pinctrl-0 = <&uart1_pins_b>;
235 pinctrl-names = "default";
236 pinctrl-0 = <&uart3_pins_a>,
237 <&uart3_pins_cts_rts_a>;
251 pinctrl-names = "default";
252 pinctrl-0 = <&chip_id_det_pin>;
255 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
256 usb0_vbus_power-supply = <&usb_power_supply>;
257 usb0_vbus-supply = <®_usb0_vbus>;
258 usb1_vbus-supply = <®_vcc5v0>;