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		pinctrl-names = "default";
83		pinctrl-0 = <&wifi_reg_on_pin_chip_pro>;
84		reset-gpios = <&pio 1 10 GPIO_ACTIVE_LOW>; /* PB10 */
85	};
86};
87
88&codec {
89	status = "okay";
90};
91
92&ehci0 {
93	status = "okay";
94};
95
96&i2c0 {
97	pinctrl-names = "default";
98	pinctrl-0 = <&i2c0_pins_a>;
99	status = "okay";
100
101	axp209: pmic@34 {
102		reg = <0x34>;
103
104		/*
105		* The interrupt is routed through the "External Fast
106		* Interrupt Request" pin (ball G13 of the module)
107		* directly to the main interrupt controller, without
108		* any other controller interfering.
109		*/
110		interrupts = <0>;
111	};
112};
113
114#include "axp209.dtsi"
115
116&i2c1 {
117	pinctrl-names = "default";
118	pinctrl-0 = <&i2c1_pins_a>;
119	status = "disabled";
120};
121
122&i2s0 {
123	pinctrl-names = "default";
124	pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>;
125	status = "disabled";
126};
127
128&mmc0 {
129	pinctrl-names = "default";
130	pinctrl-0 = <&mmc0_pins_a>;
131	vmmc-supply = <&reg_vcc3v3>;
132	mmc-pwrseq = <&mmc0_pwrseq>;
133	bus-width = <4>;
134	non-removable;
135	status = "okay";
136};
137
138&nfc {
139	pinctrl-names = "default";
140	pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
141	status = "okay";
142
143	nand@0 {
144		#address-cells = <2>;
145		#size-cells = <2>;
146		reg = <0>;
147		allwinner,rb = <0>;
148		nand-ecc-mode = "hw";
149	};
150};
151
152&ohci0 {
153	status = "okay";
154};
155
156&otg_sram {
157	status = "okay";
158};
159
160&pio {
161	usb0_id_pin_chip_pro: usb0-id-pin@0 {
162		pins = "PG2";
163		function = "gpio_in";
164	};
165
166	wifi_reg_on_pin_chip_pro: wifi-reg-on-pin@0 {
167		pins = "PB10";
168		function = "gpio_out";
169	};
170};
171
172&pwm {
173	pinctrl-names = "default";
174	pinctrl-0 = <&pwm0_pins>, <&pwm1_pins>;
175	status = "disabled";
176};
177
178&reg_dcdc2 {
179	regulator-min-microvolt = <1000000>;
180	regulator-max-microvolt = <1400000>;
181	regulator-name = "vdd-cpu";
182	regulator-always-on;
183};
184
185&reg_dcdc3 {
186	regulator-min-microvolt = <1000000>;
187	regulator-max-microvolt = <1300000>;
188	regulator-name = "vdd-sys";
189	regulator-always-on;
190};
191
192&reg_ldo1 {
193	regulator-name = "vdd-rtc";
194};
195
196&reg_ldo2 {
197	regulator-min-microvolt = <2700000>;
198	regulator-max-microvolt = <3300000>;
199	regulator-name = "avcc";
200	regulator-always-on;
201};
202
203/*
204 * Both LDO3 and LDO4 are used in parallel to power up the
205 * WiFi/BT chip.
206 */
207&reg_ldo3 {
208	regulator-min-microvolt = <3300000>;
209	regulator-max-microvolt = <3300000>;
210	regulator-name = "vcc-wifi-1";
211	regulator-always-on;
212};
213
214&reg_ldo4 {
215	regulator-min-microvolt = <3300000>;
216	regulator-max-microvolt = <3300000>;
217	regulator-name = "vcc-wifi-2";
218	regulator-always-on;
219};
220
221&uart1 {
222	pinctrl-names = "default";
223	pinctrl-0 = <&uart1_pins_b>, <&uart1_cts_rts_pins_a>;
224	status = "okay";
225};
226
227&uart2 {
228	pinctrl-names = "default";
229	pinctrl-0 = <&uart2_pins_a>, <&uart2_cts_rts_pins_a>;
230	status = "disabled";
231};
232
233&uart3 {
234	pinctrl-names = "default";
235	pinctrl-0 = <&uart3_pins_a>, <&uart3_cts_rts_pins_a>;
236	status = "okay";
237};
238
239&usb_otg {
240	/*
241	 * The CHIP Pro doesn't have a controllable VBUS, nor does it
242	 * have any 5v rail on the board itself.
243	 *
244	 * If one wants to use it as a true OTG port, it should be
245	 * done in the baseboard, and its DT / overlay will add it.
246	 */
247	dr_mode = "otg";
248	status = "okay";
249};
250
251&usb_power_supply {
252	status = "okay";
253};
254
255&usbphy {
256	pinctrl-names = "default";
257	pinctrl-0 = <&usb0_id_pin_chip_pro>;
258	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
259	usb0_vbus_power-supply = <&usb_power_supply>;
260	usb1_vbus-supply = <&reg_vcc5v0>;
261	status = "okay";
262};
263