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		reg = <0>;
137		allwinner,rb = <0>;
138		nand-ecc-mode = "hw";
139	};
140};
141
142&ohci0 {
143	status = "okay";
144};
145
146&otg_sram {
147	status = "okay";
148};
149
150&pwm {
151	pinctrl-names = "default";
152	pinctrl-0 = <&pwm0_pin>, <&pwm1_pins>;
153	status = "disabled";
154};
155
156&reg_dcdc2 {
157	regulator-min-microvolt = <1000000>;
158	regulator-max-microvolt = <1400000>;
159	regulator-name = "vdd-cpu";
160	regulator-always-on;
161};
162
163&reg_dcdc3 {
164	regulator-min-microvolt = <1000000>;
165	regulator-max-microvolt = <1300000>;
166	regulator-name = "vdd-sys";
167	regulator-always-on;
168};
169
170&reg_ldo1 {
171	regulator-name = "vdd-rtc";
172};
173
174&reg_ldo2 {
175	regulator-min-microvolt = <2700000>;
176	regulator-max-microvolt = <3300000>;
177	regulator-name = "avcc";
178	regulator-always-on;
179};
180
181/*
182 * Both LDO3 and LDO4 are used in parallel to power up the
183 * WiFi/BT chip.
184 */
185&reg_ldo3 {
186	regulator-min-microvolt = <3300000>;
187	regulator-max-microvolt = <3300000>;
188	regulator-name = "vcc-wifi-1";
189	regulator-always-on;
190};
191
192&reg_ldo4 {
193	regulator-min-microvolt = <3300000>;
194	regulator-max-microvolt = <3300000>;
195	regulator-name = "vcc-wifi-2";
196	regulator-always-on;
197};
198
199&uart1 {
200	pinctrl-names = "default";
201	pinctrl-0 = <&uart1_pg_pins>, <&uart1_cts_rts_pins>;
202	status = "okay";
203};
204
205&uart2 {
206	pinctrl-names = "default";
207	pinctrl-0 = <&uart2_pd_pins>, <&uart2_cts_rts_pd_pins>;
208	status = "disabled";
209};
210
211&uart3 {
212	pinctrl-names = "default";
213	pinctrl-0 = <&uart3_pg_pins>, <&uart3_cts_rts_pg_pins>;
214	status = "okay";
215};
216
217&usb_otg {
218	/*
219	 * The CHIP Pro doesn't have a controllable VBUS, nor does it
220	 * have any 5v rail on the board itself.
221	 *
222	 * If one wants to use it as a true OTG port, it should be
223	 * done in the baseboard, and its DT / overlay will add it.
224	 */
225	dr_mode = "otg";
226	status = "okay";
227};
228
229&usb_power_supply {
230	status = "okay";
231};
232
233&usbphy {
234	usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
235	usb0_vbus_power-supply = <&usb_power_supply>;
236	usb1_vbus-supply = <&reg_vcc5v0>;
237	status = "okay";
238};