xref: /openbmc/u-boot/arch/arm/dts/sun5i-r8-chip.dts (revision a3b36c84) 
1/*
2 * Copyright 2015 Free Electrons
3 * Copyright 2015 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-r8.dtsi"
48#include "sunxi-common-regulators.dtsi"
49
50#include <dt-bindings/gpio/gpio.h>
51#include <dt-bindings/interrupt-controller/irq.h>
52
53/ {
54	model = "NextThing C.H.I.P.";
55	compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
56
57	aliases {
58		i2c0 = &i2c0;
59		i2c2 = &i2c2;
60		serial0 = &uart1;
61		serial1 = &uart3;
62	};
63
64	chosen {
65		stdout-path = "serial0:115200n8";
66	};
67
68	wifi_reg_on: wifi_reg_on {
69		compatible = "regulator-fixed";
70		pinctrl-names = "default";
71		pinctrl-0 = <&chip_wifi_reg_on_pin>;
72
73		regulator-name = "wifi-reg-on";
74		regulator-min-microvolt = <3300000>;
75		regulator-max-microvolt = <3300000>;
76		gpio = <&pio 2 19 GPIO_ACTIVE_HIGH>; /* PC19 */
77		enable-active-high;
78	};
79};
80
81&be0 {
82	status = "okay";
83};
84
85&codec {
86	status = "okay";
87};
88
89&cpu0 {
90	cpu-supply = <&reg_dcdc2>;
91};
92
93&ehci0 {
94	status = "okay";
95};
96
97&i2c0 {
98	pinctrl-names = "default";
99	pinctrl-0 = <&i2c0_pins_a>;
100	status = "okay";
101
102	axp209: pmic@34 {
103		reg = <0x34>;
104
105		/*
106		 * The interrupt is routed through the "External Fast
107		 * Interrupt Request" pin (ball G13 of the module)
108		 * directly to the main interrupt controller, without
109		 * any other controller interfering.
110		 */
111		interrupts = <0>;
112	};
113};
114
115#include "axp209.dtsi"
116
117&i2c2 {
118	pinctrl-names = "default";
119	pinctrl-0 = <&i2c2_pins_a>;
120	status = "okay";
121
122	xio: gpio@38 {
123		compatible = "nxp,pcf8574a";
124		reg = <0x38>;
125
126		gpio-controller;
127		#gpio-cells = <2>;
128
129		interrupt-parent = <&pio>;
130		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
131		interrupt-controller;
132		#interrupt-cells = <2>;
133	};
134};
135
136&mmc0_pins_a {
137	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
138};
139
140&mmc0 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&mmc0_pins_a>;
143	vmmc-supply = <&wifi_reg_on>;
144	bus-width = <4>;
145	non-removable;
146	status = "okay";
147};
148
149&ohci0 {
150	status = "okay";
151};
152
153&otg_sram {
154	status = "okay";
155};
156
157&pio {
158	chip_vbus_pin: chip_vbus_pin@0 {
159		allwinner,pins = "PB10";
160		allwinner,function = "gpio_out";
161		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
162		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
163	};
164
165	chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
166		allwinner,pins = "PC19";
167		allwinner,function = "gpio_out";
168		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
169		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
170	};
171
172	chip_id_det_pin: chip_id_det_pin@0 {
173		allwinner,pins = "PG2";
174		allwinner,function = "gpio_in";
175		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
176		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
177	};
178};
179
180&reg_dcdc2 {
181	regulator-min-microvolt = <1000000>;
182	regulator-max-microvolt = <1400000>;
183	regulator-name = "cpuvdd";
184	regulator-always-on;
185};
186
187&reg_dcdc3 {
188	regulator-min-microvolt = <1000000>;
189	regulator-max-microvolt = <1300000>;
190	regulator-name = "corevdd";
191	regulator-always-on;
192};
193
194&reg_ldo1 {
195	regulator-name = "rtcvdd";
196};
197
198&reg_ldo2 {
199	regulator-min-microvolt = <2700000>;
200	regulator-max-microvolt = <3300000>;
201	regulator-name = "avcc";
202	regulator-always-on;
203};
204
205&reg_ldo3 {
206	regulator-min-microvolt = <3300000>;
207	regulator-max-microvolt = <3300000>;
208	regulator-name = "vdd-wifi1";
209	regulator-always-on;
210};
211
212&reg_ldo4 {
213	regulator-min-microvolt = <3300000>;
214	regulator-max-microvolt = <3300000>;
215	regulator-name = "vdd-wifi2";
216	regulator-always-on;
217};
218
219&reg_ldo5 {
220	regulator-min-microvolt = <1800000>;
221	regulator-max-microvolt = <1800000>;
222	regulator-name = "vcc-1v8";
223};
224
225&reg_usb0_vbus {
226	pinctrl-0 = <&chip_vbus_pin>;
227	vin-supply = <&reg_vcc5v0>;
228	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
229	status = "okay";
230};
231
232&tcon0 {
233	status = "okay";
234};
235
236&tve0 {
237	status = "okay";
238};
239
240&uart1 {
241	pinctrl-names = "default";
242	pinctrl-0 = <&uart1_pins_b>;
243	status = "okay";
244};
245
246&uart3 {
247	pinctrl-names = "default";
248	pinctrl-0 = <&uart3_pins_a>,
249		    <&uart3_pins_cts_rts_a>;
250	status = "okay";
251};
252
253&usb_otg {
254	dr_mode = "otg";
255	status = "okay";
256};
257
258&usb_power_supply {
259	status = "okay";
260};
261
262&usbphy {
263	pinctrl-names = "default";
264	pinctrl-0 = <&chip_id_det_pin>;
265	status = "okay";
266
267	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
268	usb0_vbus_power-supply = <&usb_power_supply>;
269	usb0_vbus-supply = <&reg_usb0_vbus>;
270	usb1_vbus-supply = <&reg_vcc5v0>;
271};
272