xref: /openbmc/u-boot/arch/arm/dts/sun5i-r8-chip.dts (revision b1ad6c696631f07b5fe109378516abcb79ded1f9) 
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";
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&codec {
82	status = "okay";
83};
84
85&cpu0 {
86	cpu-supply = <&reg_dcdc2>;
87};
88
89&ehci0 {
90	status = "okay";
91};
92
93&i2c0 {
94	pinctrl-names = "default";
95	pinctrl-0 = <&i2c0_pins_a>;
96	status = "okay";
97
98	axp209: pmic@34 {
99		reg = <0x34>;
100
101		/*
102		 * The interrupt is routed through the "External Fast
103		 * Interrupt Request" pin (ball G13 of the module)
104		 * directly to the main interrupt controller, without
105		 * any other controller interfering.
106		 */
107		interrupts = <0>;
108	};
109};
110
111#include "axp209.dtsi"
112
113&i2c2 {
114	pinctrl-names = "default";
115	pinctrl-0 = <&i2c2_pins_a>;
116	status = "okay";
117
118	xio: gpio@38 {
119		compatible = "nxp,pcf8574a";
120		reg = <0x38>;
121
122		gpio-controller;
123		#gpio-cells = <2>;
124
125		interrupt-parent = <&pio>;
126		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
127		interrupt-controller;
128		#interrupt-cells = <2>;
129	};
130};
131
132&mmc0_pins_a {
133	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
134};
135
136&mmc0 {
137	pinctrl-names = "default";
138	pinctrl-0 = <&mmc0_pins_a>;
139	vmmc-supply = <&wifi_reg_on>;
140	bus-width = <4>;
141	non-removable;
142	status = "okay";
143};
144
145&nfc {
146	pinctrl-names = "default";
147	pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
148	status = "okay";
149
150	nand@0 {
151		#address-cells = <2>;
152		#size-cells = <2>;
153		reg = <0>;
154		allwinner,rb = <0>;
155		nand-ecc-mode = "hw";
156		nand-on-flash-bbt;
157	};
158};
159
160&ohci0 {
161	status = "okay";
162};
163
164&otg_sram {
165	status = "okay";
166};
167
168&pio {
169	chip_vbus_pin: chip_vbus_pin@0 {
170		allwinner,pins = "PB10";
171		allwinner,function = "gpio_out";
172		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
173		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
174	};
175
176	chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
177		allwinner,pins = "PC19";
178		allwinner,function = "gpio_out";
179		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
180		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
181	};
182
183	chip_id_det_pin: chip_id_det_pin@0 {
184		allwinner,pins = "PG2";
185		allwinner,function = "gpio_in";
186		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
187		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
188	};
189};
190
191&reg_dcdc2 {
192	regulator-min-microvolt = <1000000>;
193	regulator-max-microvolt = <1400000>;
194	regulator-name = "cpuvdd";
195	regulator-always-on;
196};
197
198&reg_dcdc3 {
199	regulator-min-microvolt = <1000000>;
200	regulator-max-microvolt = <1300000>;
201	regulator-name = "corevdd";
202	regulator-always-on;
203};
204
205&reg_ldo1 {
206	regulator-name = "rtcvdd";
207};
208
209&reg_ldo2 {
210	regulator-min-microvolt = <2700000>;
211	regulator-max-microvolt = <3300000>;
212	regulator-name = "avcc";
213	regulator-always-on;
214};
215
216&reg_ldo3 {
217	regulator-min-microvolt = <3300000>;
218	regulator-max-microvolt = <3300000>;
219	regulator-name = "vdd-wifi1";
220	regulator-always-on;
221};
222
223&reg_ldo4 {
224	regulator-min-microvolt = <3300000>;
225	regulator-max-microvolt = <3300000>;
226	regulator-name = "vdd-wifi2";
227	regulator-always-on;
228};
229
230&reg_ldo5 {
231	regulator-min-microvolt = <1800000>;
232	regulator-max-microvolt = <1800000>;
233	regulator-name = "vcc-1v8";
234};
235
236&reg_usb0_vbus {
237	pinctrl-0 = <&chip_vbus_pin>;
238	vin-supply = <&reg_vcc5v0>;
239	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
240	status = "okay";
241};
242
243&uart1 {
244	pinctrl-names = "default";
245	pinctrl-0 = <&uart1_pins_b>;
246	status = "okay";
247};
248
249&uart3 {
250	pinctrl-names = "default";
251	pinctrl-0 = <&uart3_pins_a>,
252		    <&uart3_pins_cts_rts_a>;
253	status = "okay";
254};
255
256&usb_otg {
257	dr_mode = "otg";
258	status = "okay";
259};
260
261&usb_power_supply {
262	status = "okay";
263};
264
265&usbphy {
266	pinctrl-names = "default";
267	pinctrl-0 = <&chip_id_det_pin>;
268	status = "okay";
269
270	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
271	usb0_vbus_power-supply = <&usb_power_supply>;
272	usb0_vbus-supply = <&reg_usb0_vbus>;
273	usb1_vbus-supply = <&reg_vcc5v0>;
274};
275