1/*
2 * Copyright 2014 Maxime Ripard
3 *
4 * Maxime Ripard <maxime.ripard@free-electrons.com>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 *  a) This file is free software; you can redistribute it and/or
12 *     modify it under the terms of the GNU General Public License as
13 *     published by the Free Software Foundation; either version 2 of the
14 *     License, or (at your option) any later version.
15 *
16 *     This file is distributed in the hope that it will be useful,
17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *     GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 *  b) Permission is hereby granted, free of charge, to any person
24 *     obtaining a copy of this software and associated documentation
25 *     files (the "Software"), to deal in the Software without
26 *     restriction, including without limitation the rights to use,
27 *     copy, modify, merge, publish, distribute, sublicense, and/or
28 *     sell copies of the Software, and to permit persons to whom the
29 *     Software is furnished to do so, subject to the following
30 *     conditions:
31 *
32 *     The above copyright notice and this permission notice shall be
33 *     included in all copies or substantial portions of the Software.
34 *
35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 *     OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45/dts-v1/;
46#include "sun6i-a31.dtsi"
47#include "sunxi-common-regulators.dtsi"
48
49#include <dt-bindings/gpio/gpio.h>
50#include <dt-bindings/pinctrl/sun4i-a10.h>
51
52/ {
53	model = "Merrii A31 Hummingbird";
54	compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
55
56	aliases {
57		rtc0 = &pcf8563;
58		rtc1 = &rtc;
59		serial0 = &uart0;
60	};
61
62	chosen {
63		stdout-path = "serial0:115200n8";
64	};
65
66	wifi_pwrseq: wifi_pwrseq {
67		compatible = "mmc-pwrseq-simple";
68		reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
69	};
70};
71
72&cpu0 {
73	cpu-supply = <&reg_dcdc3>;
74};
75
76&ehci0 {
77	status = "okay";
78};
79
80&gmac {
81	pinctrl-names = "default";
82	pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_hummingbird>;
83	phy = <&phy1>;
84	phy-mode = "rgmii";
85	snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
86	snps,reset-active-low;
87	snps,reset-delays-us = <0 10000 30000>;
88	status = "okay";
89
90	phy1: ethernet-phy@1 {
91		reg = <1>;
92	};
93};
94
95&i2c0 {
96	pinctrl-names = "default";
97	pinctrl-0 = <&i2c0_pins_a>;
98	/* pull-ups and devices require AXP221 DLDO3 */
99	status = "failed";
100};
101
102&i2c1 {
103	pinctrl-names = "default";
104	pinctrl-0 = <&i2c1_pins_a>;
105	status = "okay";
106};
107
108&i2c2 {
109	pinctrl-names = "default";
110	pinctrl-0 = <&i2c2_pins_a>;
111	status = "okay";
112
113	pcf8563: rtc@51 {
114		compatible = "nxp,pcf8563";
115		reg = <0x51>;
116	};
117};
118
119&ir {
120	pinctrl-names = "default";
121	pinctrl-0 = <&ir_pins_a>;
122	status = "okay";
123};
124
125&mmc0 {
126	pinctrl-names = "default";
127	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
128	vmmc-supply = <&reg_dcdc1>;
129	bus-width = <4>;
130	cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
131	cd-inverted;
132	status = "okay";
133};
134
135&mmc0_pins_a {
136	/* external pull-ups missing for some pins */
137	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
138};
139
140&mmc1 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
143	vmmc-supply = <&reg_aldo1>;
144	mmc-pwrseq = <&wifi_pwrseq>;
145	bus-width = <4>;
146	non-removable;
147	status = "okay";
148};
149
150&ohci0 {
151	status = "okay";
152};
153
154&pio {
155	gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
156		allwinner,pins = "PA21";
157		allwinner,function = "gpio_out";
158		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
159		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
160	};
161
162	mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
163		allwinner,pins = "PA8";
164		allwinner,function = "gpio_in";
165		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
166		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
167	};
168
169	wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
170		allwinner,pins = "PG10";
171		allwinner,function = "gpio_out";
172		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
173		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
174	};
175};
176
177&p2wi {
178	status = "okay";
179
180	axp22x: pmic@68 {
181		compatible = "x-powers,axp221";
182		reg = <0x68>;
183		interrupt-parent = <&nmi_intc>;
184		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
185	};
186};
187
188#include "axp22x.dtsi"
189
190&reg_aldo1 {
191	regulator-min-microvolt = <3300000>;
192	regulator-max-microvolt = <3300000>;
193	regulator-name = "vcc-wifi";
194};
195
196&reg_aldo3 {
197	regulator-always-on;
198	regulator-min-microvolt = <2700000>;
199	regulator-max-microvolt = <3300000>;
200	regulator-name = "avcc";
201};
202
203&reg_dc5ldo {
204	regulator-min-microvolt = <700000>;
205	regulator-max-microvolt = <1320000>;
206	regulator-name = "vdd-cpus";
207};
208
209&reg_dcdc1 {
210	regulator-always-on;
211	regulator-min-microvolt = <3000000>;
212	regulator-max-microvolt = <3000000>;
213	regulator-name = "vcc-3v0";
214};
215
216&reg_dcdc2 {
217	regulator-min-microvolt = <700000>;
218	regulator-max-microvolt = <1320000>;
219	regulator-name = "vdd-gpu";
220};
221
222&reg_dcdc3 {
223	regulator-always-on;
224	regulator-min-microvolt = <700000>;
225	regulator-max-microvolt = <1320000>;
226	regulator-name = "vdd-cpu";
227};
228
229&reg_dcdc4 {
230	regulator-always-on;
231	regulator-min-microvolt = <700000>;
232	regulator-max-microvolt = <1320000>;
233	regulator-name = "vdd-sys-dll";
234};
235
236&reg_dcdc5 {
237	regulator-always-on;
238	regulator-min-microvolt = <1500000>;
239	regulator-max-microvolt = <1500000>;
240	regulator-name = "vcc-dram";
241};
242
243&reg_usb1_vbus {
244	gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
245	status = "okay";
246};
247
248&uart0 {
249	pinctrl-names = "default";
250	pinctrl-0 = <&uart0_pins_a>;
251	status = "okay";
252};
253
254&usb1_vbus_pin_a {
255	/* different pin from sunxi-common-regulators */
256	allwinner,pins = "PH24";
257};
258
259&usbphy {
260	usb1_vbus-supply = <&reg_usb1_vbus>;
261	status = "okay";
262};
263