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 led-0 {
74 label = "chip-pro:white:status";
75 gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
76 default-state = "on";
77 };
78 };
79
80 mmc0_pwrseq: 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 = <®_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 ®_dcdc2 {
157 regulator-min-microvolt = <1000000>;
158 regulator-max-microvolt = <1400000>;
159 regulator-name = "vdd-cpu";
160 regulator-always-on;
161 };
162
163 ®_dcdc3 {
164 regulator-min-microvolt = <1000000>;
165 regulator-max-microvolt = <1300000>;
166 regulator-name = "vdd-sys";
167 regulator-always-on;
168 };
169
170 ®_ldo1 {
171 regulator-name = "vdd-rtc";
172 };
173
174 ®_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 ®_ldo3 {
186 regulator-min-microvolt = <3300000>;
187 regulator-max-microvolt = <3300000>;
188 regulator-name = "vcc-wifi-1";
189 regulator-always-on;
190 };
191
192 ®_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 = <®_vcc5v0>;
237 status = "okay";
238 };
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