1/*
2 * Copyright 2015 Chen-Yu Tsai
3 *
4 * Chen-Yu Tsai <wens@csie.org>
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 "sun8i-a83t.dtsi"
47
48#include <dt-bindings/gpio/gpio.h>
49
50/ {
51	model = "Cubietech Cubietruck Plus";
52	compatible = "cubietech,cubietruck-plus", "allwinner,sun8i-a83t";
53
54	aliases {
55		ethernet0 = &emac;
56		serial0 = &uart0;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62
63	leds {
64		compatible = "gpio-leds";
65
66		blue {
67			label = "cubietruck-plus:blue:usr";
68			gpios = <&pio 3 25 GPIO_ACTIVE_HIGH>; /* PD25 */
69		};
70
71		orange {
72			label = "cubietruck-plus:orange:usr";
73			gpios = <&pio 3 26 GPIO_ACTIVE_HIGH>; /* PD26 */
74		};
75
76		white {
77			label = "cubietruck-plus:white:usr";
78			gpios = <&pio 3 27 GPIO_ACTIVE_HIGH>; /* PD27 */
79		};
80
81		green {
82			label = "cubietruck-plus:green:usr";
83			gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */
84		};
85	};
86
87	usb-hub {
88		/* I2C is not connected */
89		compatible = "smsc,usb3503";
90		initial-mode = <1>; /* initialize in HUB mode */
91		disabled-ports = <1>;
92		intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
93		reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
94		connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
95		refclk-frequency = <19200000>;
96	};
97
98	reg_usb1_vbus: reg-usb1-vbus {
99		compatible = "regulator-fixed";
100		regulator-name = "usb1-vbus";
101		regulator-min-microvolt = <5000000>;
102		regulator-max-microvolt = <5000000>;
103		regulator-boot-on;
104		enable-active-high;
105		gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
106	};
107
108	reg_usb2_vbus: reg-usb2-vbus {
109		compatible = "regulator-fixed";
110		regulator-name = "usb2-vbus";
111		regulator-min-microvolt = <5000000>;
112		regulator-max-microvolt = <5000000>;
113		regulator-boot-on;
114		enable-active-high;
115		gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
116	};
117
118	sound {
119		compatible = "simple-audio-card";
120		simple-audio-card,name = "On-board SPDIF";
121
122		simple-audio-card,cpu {
123			sound-dai = <&spdif>;
124		};
125
126		simple-audio-card,codec {
127			sound-dai = <&spdif_out>;
128		};
129	};
130
131	spdif_out: spdif-out {
132		#sound-dai-cells = <0>;
133		compatible = "linux,spdif-dit";
134	};
135
136	wifi_pwrseq: wifi_pwrseq {
137		compatible = "mmc-pwrseq-simple";
138		clocks = <&ac100_rtc 1>;
139		clock-names = "ext_clock";
140		/* The WiFi low power clock must be 32768 Hz */
141		assigned-clocks = <&ac100_rtc 1>;
142		assigned-clock-rates = <32768>;
143		/* enables internal regulator and de-asserts reset */
144		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
145	};
146};
147
148&cpu0 {
149	cpu-supply = <&reg_dcdc2>;
150};
151
152&cpu100 {
153	cpu-supply = <&reg_dcdc3>;
154};
155
156&ehci0 {
157	/* GL830 USB-to-SATA bridge here */
158	status = "okay";
159};
160
161&ehci1 {
162	/* USB3503 HSIC USB 2.0 hub here */
163	status = "okay";
164};
165
166&emac {
167	pinctrl-names = "default";
168	pinctrl-0 = <&emac_rgmii_pins>;
169	phy-supply = <&reg_dldo4>;
170	phy-handle = <&rgmii_phy>;
171	phy-mode = "rgmii";
172	status = "okay";
173};
174
175&mdio {
176	rgmii_phy: ethernet-phy@1 {
177		compatible = "ethernet-phy-ieee802.3-c22";
178		reg = <1>;
179	};
180};
181
182&mmc0 {
183	pinctrl-names = "default";
184	pinctrl-0 = <&mmc0_pins>;
185	vmmc-supply = <&reg_dcdc1>;
186	bus-width = <4>;
187	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
188	status = "okay";
189};
190
191&mmc1 {
192	vmmc-supply = <&reg_dcdc1>;
193	vqmmc-supply = <&reg_sw>;
194	mmc-pwrseq = <&wifi_pwrseq>;
195	bus-width = <4>;
196	non-removable;
197	status = "okay";
198};
199
200&mmc2 {
201	pinctrl-names = "default";
202	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
203	vmmc-supply = <&reg_dcdc1>;
204	bus-width = <8>;
205	non-removable;
206	cap-mmc-hw-reset;
207	status = "okay";
208};
209
210&r_rsb {
211	status = "okay";
212
213	axp81x: pmic@3a3 {
214		compatible = "x-powers,axp818", "x-powers,axp813";
215		reg = <0x3a3>;
216		interrupt-parent = <&r_intc>;
217		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
218		eldoin-supply = <&reg_dcdc1>;
219		swin-supply = <&reg_dcdc1>;
220		x-powers,drive-vbus-en;
221	};
222
223	ac100: codec@e89 {
224		compatible = "x-powers,ac100";
225		reg = <0xe89>;
226
227		ac100_codec: codec {
228			compatible = "x-powers,ac100-codec";
229			interrupt-parent = <&r_pio>;
230			interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
231			#clock-cells = <0>;
232			clock-output-names = "4M_adda";
233		};
234
235		ac100_rtc: rtc {
236			compatible = "x-powers,ac100-rtc";
237			interrupt-parent = <&r_intc>;
238			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
239			clocks = <&ac100_codec>;
240			#clock-cells = <1>;
241			clock-output-names = "cko1_rtc",
242					     "cko2_rtc",
243					     "cko3_rtc";
244		};
245	};
246};
247
248#include "axp81x.dtsi"
249
250&reg_aldo1 {
251	regulator-always-on;
252	regulator-min-microvolt = <1800000>;
253	regulator-max-microvolt = <1800000>;
254	regulator-name = "vcc-1v8";
255};
256
257&reg_aldo2 {
258	regulator-always-on;
259	regulator-min-microvolt = <1800000>;
260	regulator-max-microvolt = <1800000>;
261	regulator-name = "dram-pll";
262};
263
264&reg_aldo3 {
265	regulator-always-on;
266	regulator-min-microvolt = <3000000>;
267	regulator-max-microvolt = <3000000>;
268	regulator-name = "avcc";
269};
270
271&reg_dcdc1 {
272	/*
273	 * The schematics say this should be 3.3V, but the FEX file says
274	 * it should be 3V. The latter makes sense, as the WiFi module's
275	 * I/O is indirectly powered from DCDC1, through SW. It is rated
276	 * at 2.98V maximum.
277	 */
278	regulator-always-on;
279	regulator-min-microvolt = <3000000>;
280	regulator-max-microvolt = <3000000>;
281	regulator-name = "vcc-3v";
282};
283
284&reg_dcdc2 {
285	regulator-always-on;
286	regulator-min-microvolt = <700000>;
287	regulator-max-microvolt = <1100000>;
288	regulator-name = "vdd-cpua";
289};
290
291&reg_dcdc3 {
292	regulator-always-on;
293	regulator-min-microvolt = <700000>;
294	regulator-max-microvolt = <1100000>;
295	regulator-name = "vdd-cpub";
296};
297
298&reg_dcdc4 {
299	regulator-min-microvolt = <700000>;
300	regulator-max-microvolt = <1100000>;
301	regulator-name = "vdd-gpu";
302};
303
304&reg_dcdc5 {
305	regulator-always-on;
306	regulator-min-microvolt = <1500000>;
307	regulator-max-microvolt = <1500000>;
308	regulator-name = "vcc-dram";
309};
310
311&reg_dcdc6 {
312	regulator-always-on;
313	regulator-min-microvolt = <900000>;
314	regulator-max-microvolt = <900000>;
315	regulator-name = "vdd-sys";
316};
317
318&reg_dldo2 {
319	regulator-min-microvolt = <3300000>;
320	regulator-max-microvolt = <3300000>;
321	regulator-name = "dp-pwr";
322};
323
324&reg_dldo3 {
325	regulator-always-on;
326	regulator-min-microvolt = <2500000>;
327	regulator-max-microvolt = <2500000>;
328	regulator-name = "ephy-io";
329};
330
331&reg_dldo4 {
332	/*
333	 * The PHY requires 20ms after all voltages are applied until core
334	 * logic is ready and 30ms after the reset pin is de-asserted.
335	 * Set a 100ms delay to account for PMIC ramp time and board traces.
336	 */
337	regulator-enable-ramp-delay = <100000>;
338	regulator-min-microvolt = <3300000>;
339	regulator-max-microvolt = <3300000>;
340	regulator-name = "ephy";
341};
342
343&reg_drivevbus {
344	regulator-name = "usb0-vbus";
345	status = "okay";
346};
347
348&reg_eldo1 {
349	regulator-min-microvolt = <1200000>;
350	regulator-max-microvolt = <1200000>;
351	regulator-name = "dp-bridge-1";
352};
353
354&reg_eldo2 {
355	regulator-min-microvolt = <1200000>;
356	regulator-max-microvolt = <1200000>;
357	regulator-name = "dp-bridge-2";
358};
359
360&reg_fldo1 {
361	/* TODO should be handled by USB PHY */
362	regulator-always-on;
363	regulator-min-microvolt = <1080000>;
364	regulator-max-microvolt = <1320000>;
365	regulator-name = "vdd12-hsic";
366};
367
368&reg_fldo2 {
369	/*
370	 * Despite the embedded CPUs core not being used in any way,
371	 * this must remain on or the system will hang.
372	 */
373	regulator-always-on;
374	regulator-min-microvolt = <700000>;
375	regulator-max-microvolt = <1100000>;
376	regulator-name = "vdd-cpus";
377};
378
379&reg_rtc_ldo {
380	regulator-name = "vcc-rtc";
381};
382
383&reg_sw {
384	regulator-name = "vcc-wifi-io";
385};
386
387&spdif {
388	status = "okay";
389};
390
391&uart0 {
392	pinctrl-names = "default";
393	pinctrl-0 = <&uart0_pb_pins>;
394	status = "okay";
395};
396
397&usbphy {
398	usb1_vbus-supply = <&reg_usb1_vbus>;
399	usb2_vbus-supply = <&reg_usb2_vbus>;
400	status = "okay";
401};
402