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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
51/ {
52	model = "Merrii A31 Hummingbird";
53	compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
54
55	aliases {
56		rtc0 = &pcf8563;
57		rtc1 = &rtc;
58		serial0 = &uart0;
59	};
60
61	chosen {
62		stdout-path = "serial0:115200n8";
63	};
64
65	vga-connector {
66		compatible = "vga-connector";
67
68		port {
69			vga_con_in: endpoint {
70				remote-endpoint = <&vga_dac_out>;
71			};
72		};
73	};
74
75	vga-dac {
76		compatible = "dumb-vga-dac";
77		vdd-supply = <&reg_vga_3v3>;
78		#address-cells = <1>;
79		#size-cells = <0>;
80
81		ports {
82			#address-cells = <1>;
83			#size-cells = <0>;
84
85			port@0 {
86				#address-cells = <1>;
87				#size-cells = <0>;
88				reg = <0>;
89
90				vga_dac_in: endpoint@0 {
91					reg = <0>;
92					remote-endpoint = <&tcon0_out_vga>;
93				};
94			};
95
96			port@1 {
97				#address-cells = <1>;
98				#size-cells = <0>;
99				reg = <1>;
100
101				vga_dac_out: endpoint@0 {
102					reg = <0>;
103					remote-endpoint = <&vga_con_in>;
104				};
105			};
106		};
107	};
108
109	reg_vga_3v3: vga_3v3_regulator {
110		compatible = "regulator-fixed";
111		regulator-name = "vga-3v3";
112		regulator-min-microvolt = <3300000>;
113		regulator-max-microvolt = <3300000>;
114		regulator-boot-on;
115		enable-active-high;
116		gpio = <&pio 7 25 GPIO_ACTIVE_HIGH>; /* PH25 */
117	};
118
119	wifi_pwrseq: wifi_pwrseq {
120		compatible = "mmc-pwrseq-simple";
121		reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
122	};
123};
124
125&codec {
126	allwinner,audio-routing =
127		"Headphone", "HP",
128		"Speaker", "LINEOUT",
129		"LINEIN", "Line In",
130		"MIC1", "Mic",
131		"MIC2", "Headset Mic",
132		"Mic",	"MBIAS",
133		"Headset Mic", "HBIAS";
134	allwinner,pa-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
135	status = "okay";
136};
137
138&cpu0 {
139	cpu-supply = <&reg_dcdc3>;
140};
141
142&de {
143	status = "okay";
144};
145
146&ehci0 {
147	status = "okay";
148};
149
150&gmac {
151	pinctrl-names = "default";
152	pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_hummingbird>;
153	phy = <&phy1>;
154	phy-mode = "rgmii";
155	snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
156	snps,reset-active-low;
157	snps,reset-delays-us = <0 10000 30000>;
158	status = "okay";
159
160	phy1: ethernet-phy@1 {
161		reg = <1>;
162	};
163};
164
165&i2c0 {
166	pinctrl-names = "default";
167	pinctrl-0 = <&i2c0_pins_a>;
168	/* pull-ups and devices require AXP221 DLDO3 */
169	status = "failed";
170};
171
172&i2c1 {
173	pinctrl-names = "default";
174	pinctrl-0 = <&i2c1_pins_a>;
175	status = "okay";
176};
177
178&i2c2 {
179	pinctrl-names = "default";
180	pinctrl-0 = <&i2c2_pins_a>;
181	status = "okay";
182
183	pcf8563: rtc@51 {
184		compatible = "nxp,pcf8563";
185		reg = <0x51>;
186	};
187};
188
189&ir {
190	pinctrl-names = "default";
191	pinctrl-0 = <&ir_pins_a>;
192	status = "okay";
193};
194
195&mmc0 {
196	pinctrl-names = "default";
197	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
198	vmmc-supply = <&reg_dcdc1>;
199	bus-width = <4>;
200	cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
201	cd-inverted;
202	status = "okay";
203};
204
205&mmc0_pins_a {
206	/* external pull-ups missing for some pins */
207	bias-pull-up;
208};
209
210&mmc1 {
211	pinctrl-names = "default";
212	pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
213	vmmc-supply = <&reg_aldo1>;
214	mmc-pwrseq = <&wifi_pwrseq>;
215	bus-width = <4>;
216	non-removable;
217	status = "okay";
218};
219
220&ohci0 {
221	status = "okay";
222};
223
224&pio {
225	gmac_phy_reset_pin_hummingbird: gmac_phy_reset_pin@0 {
226		pins = "PA21";
227		function = "gpio_out";
228	};
229
230	mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
231		pins = "PA8";
232		function = "gpio_in";
233		bias-pull-up;
234	};
235
236	wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
237		pins = "PG10";
238		function = "gpio_out";
239	};
240};
241
242&p2wi {
243	status = "okay";
244
245	axp22x: pmic@68 {
246		compatible = "x-powers,axp221";
247		reg = <0x68>;
248		interrupt-parent = <&nmi_intc>;
249		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
250		x-powers,drive-vbus-en;
251	};
252};
253
254#include "axp22x.dtsi"
255
256&ac_power_supply {
257	status = "okay";
258};
259
260&reg_aldo1 {
261	regulator-min-microvolt = <3300000>;
262	regulator-max-microvolt = <3300000>;
263	regulator-name = "vcc-wifi";
264};
265
266&reg_aldo3 {
267	regulator-always-on;
268	regulator-min-microvolt = <2700000>;
269	regulator-max-microvolt = <3300000>;
270	regulator-name = "avcc";
271};
272
273&reg_dc5ldo {
274	regulator-min-microvolt = <700000>;
275	regulator-max-microvolt = <1320000>;
276	regulator-name = "vdd-cpus";
277};
278
279&reg_dcdc1 {
280	regulator-always-on;
281	regulator-min-microvolt = <3000000>;
282	regulator-max-microvolt = <3000000>;
283	regulator-name = "vcc-3v0";
284};
285
286&reg_dcdc2 {
287	regulator-min-microvolt = <700000>;
288	regulator-max-microvolt = <1320000>;
289	regulator-name = "vdd-gpu";
290};
291
292&reg_dcdc3 {
293	regulator-always-on;
294	regulator-min-microvolt = <700000>;
295	regulator-max-microvolt = <1320000>;
296	regulator-name = "vdd-cpu";
297};
298
299&reg_dcdc4 {
300	regulator-always-on;
301	regulator-min-microvolt = <700000>;
302	regulator-max-microvolt = <1320000>;
303	regulator-name = "vdd-sys-dll";
304};
305
306&reg_dcdc5 {
307	regulator-always-on;
308	regulator-min-microvolt = <1500000>;
309	regulator-max-microvolt = <1500000>;
310	regulator-name = "vcc-dram";
311};
312
313&reg_drivevbus {
314	regulator-name = "usb0-vbus";
315	status = "okay";
316};
317
318&reg_usb1_vbus {
319	gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
320	status = "okay";
321};
322
323&tcon0 {
324	pinctrl-names = "default";
325	pinctrl-0 = <&lcd0_rgb888_pins>;
326};
327
328&tcon0_out {
329	tcon0_out_vga: endpoint@0 {
330		reg = <0>;
331		remote-endpoint = <&vga_dac_in>;
332	};
333};
334
335&uart0 {
336	pinctrl-names = "default";
337	pinctrl-0 = <&uart0_pins_a>;
338	status = "okay";
339};
340
341&usb_otg {
342	dr_mode = "otg";
343	status = "okay";
344};
345
346&usb_power_supply {
347	status = "okay";
348};
349
350&usbphy {
351	usb0_id_det-gpio = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
352	usb0_vbus_det-gpio = <&pio 0 16 GPIO_ACTIVE_HIGH>; /* PA16 */
353	usb0_vbus_power-supply = <&usb_power_supply>;
354	usb0_vbus-supply = <&reg_drivevbus>;
355	usb1_vbus-supply = <&reg_usb1_vbus>;
356	status = "okay";
357};
358