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Maxime Ripard6a3a2262017-02-27 18:22:14 +01001/*
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 allwinner,pins = "PG2";
163 allwinner,function = "gpio_in";
164 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
165 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
166 };
167
168 wifi_reg_on_pin_chip_pro: wifi-reg-on-pin@0 {
169 allwinner,pins = "PB10";
170 allwinner,function = "gpio_out";
171 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
172 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
173 };
174};
175
176&pwm {
177 pinctrl-names = "default";
178 pinctrl-0 = <&pwm0_pins_a>, <&pwm1_pins>;
179 status = "disabled";
180};
181
182&reg_dcdc2 {
183 regulator-min-microvolt = <1000000>;
184 regulator-max-microvolt = <1400000>;
185 regulator-name = "vdd-cpu";
186 regulator-always-on;
187};
188
189&reg_dcdc3 {
190 regulator-min-microvolt = <1000000>;
191 regulator-max-microvolt = <1300000>;
192 regulator-name = "vdd-sys";
193 regulator-always-on;
194};
195
196&reg_ldo1 {
197 regulator-name = "vdd-rtc";
198};
199
200&reg_ldo2 {
201 regulator-min-microvolt = <2700000>;
202 regulator-max-microvolt = <3300000>;
203 regulator-name = "avcc";
204 regulator-always-on;
205};
206
207/*
208 * Both LDO3 and LDO4 are used in parallel to power up the
209 * WiFi/BT chip.
210 */
211&reg_ldo3 {
212 regulator-min-microvolt = <3300000>;
213 regulator-max-microvolt = <3300000>;
214 regulator-name = "vcc-wifi-1";
215 regulator-always-on;
216};
217
218&reg_ldo4 {
219 regulator-min-microvolt = <3300000>;
220 regulator-max-microvolt = <3300000>;
221 regulator-name = "vcc-wifi-2";
222 regulator-always-on;
223};
224
225&uart1 {
226 pinctrl-names = "default";
227 pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>;
228 status = "okay";
229};
230
231&uart2 {
232 pinctrl-names = "default";
233 pinctrl-0 = <&uart2_pins_a>, <&uart2_cts_rts_pins_a>;
234 status = "disabled";
235};
236
237&uart3 {
238 pinctrl-names = "default";
239 pinctrl-0 = <&uart3_pins_a>, <&uart3_cts_rts_pins_a>;
240 status = "okay";
241};
242
243&usb_otg {
244 /*
245 * The CHIP Pro doesn't have a controllable VBUS, nor does it
246 * have any 5v rail on the board itself.
247 *
248 * If one wants to use it as a true OTG port, it should be
249 * done in the baseboard, and its DT / overlay will add it.
250 */
251 dr_mode = "otg";
252 status = "okay";
253};
254
255&usb_power_supply {
256 status = "okay";
257};
258
259&usbphy {
260 pinctrl-names = "default";
261 pinctrl-0 = <&usb0_id_pin_chip_pro>;
262 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
263 usb0_vbus_power-supply = <&usb_power_supply>;
264 usb1_vbus-supply = <&reg_vcc5v0>;
265 status = "okay";
266};