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", "allwinner,sun5i-a13";
67 stdout-path = "serial0:115200n8";
71 compatible = "gpio-leds";
74 label = "chip:white:status";
75 gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
80 mmc0_pwrseq: mmc0_pwrseq {
81 compatible = "mmc-pwrseq-simple";
82 pinctrl-names = "default";
83 pinctrl-0 = <&chip_wifi_reg_on_pin>;
84 reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
88 compatible = "w1-gpio";
89 gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
90 pinctrl-names = "default";
91 pinctrl-0 = <&chip_w1_pin>;
104 cpu-supply = <®_dcdc2>;
112 pinctrl-names = "default";
113 pinctrl-0 = <&i2c0_pins_a>;
120 * The interrupt is routed through the "External Fast
121 * Interrupt Request" pin (ball G13 of the module)
122 * directly to the main interrupt controller, without
123 * any other controller interfering.
129 #include "axp209.dtsi"
136 pinctrl-names = "default";
137 pinctrl-0 = <&i2c1_pins_a>;
142 pinctrl-names = "default";
143 pinctrl-0 = <&i2c2_pins_a>;
147 compatible = "nxp,pcf8574a";
153 interrupt-parent = <&pio>;
154 interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
155 interrupt-controller;
156 #interrupt-cells = <2>;
165 pinctrl-names = "default";
166 pinctrl-0 = <&mmc0_pins_a>;
167 vmmc-supply = <®_vcc3v3>;
168 mmc-pwrseq = <&mmc0_pwrseq>;
183 chip_vbus_pin: chip_vbus_pin@0 {
185 function = "gpio_out";
188 chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
190 function = "gpio_out";
193 chip_id_det_pin: chip_id_det_pin@0 {
195 function = "gpio_in";
198 chip_w1_pin: chip_w1_pin@0 {
200 function = "gpio_in";
206 regulator-min-microvolt = <1000000>;
207 regulator-max-microvolt = <1400000>;
208 regulator-name = "cpuvdd";
213 regulator-min-microvolt = <1000000>;
214 regulator-max-microvolt = <1300000>;
215 regulator-name = "corevdd";
220 regulator-name = "rtcvdd";
224 regulator-min-microvolt = <2700000>;
225 regulator-max-microvolt = <3300000>;
226 regulator-name = "avcc";
231 * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT
234 * If those are not enabled, the SDIO part will not enumerate, and
235 * since there's no way currently to pass DT infos to an SDIO device,
236 * we cannot really do better than this ugly hack for now.
239 regulator-min-microvolt = <3300000>;
240 regulator-max-microvolt = <3300000>;
241 regulator-name = "vcc-wifi-1";
246 regulator-min-microvolt = <3300000>;
247 regulator-max-microvolt = <3300000>;
248 regulator-name = "vcc-wifi-2";
253 regulator-min-microvolt = <1800000>;
254 regulator-max-microvolt = <1800000>;
255 regulator-name = "vcc-1v8";
259 pinctrl-0 = <&chip_vbus_pin>;
260 vin-supply = <®_vcc5v0>;
261 gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
266 pinctrl-names = "default";
267 pinctrl-0 = <&spi2_pins_a>;
280 pinctrl-names = "default";
281 pinctrl-0 = <&uart1_pins_b>;
286 pinctrl-names = "default";
287 pinctrl-0 = <&uart3_pins_a>,
288 <&uart3_cts_rts_pins_a>;
302 pinctrl-names = "default";
303 pinctrl-0 = <&chip_id_det_pin>;
306 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
307 usb0_vbus_power-supply = <&usb_power_supply>;
308 usb0_vbus-supply = <®_usb0_vbus>;
309 usb1_vbus-supply = <®_vcc5v0>;