Merge branch 'master' of git://git.denx.de/u-boot-sunxi
[platform/kernel/u-boot.git] / arch / arm / dts / sun8i-a83t-cubietruck-plus.dts
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 &ehci0 {
149         /* GL830 USB-to-SATA bridge here */
150         status = "okay";
151 };
152
153 &ehci1 {
154         /* USB3503 HSIC USB 2.0 hub here */
155         status = "okay";
156 };
157
158 &emac {
159         pinctrl-names = "default";
160         pinctrl-0 = <&emac_rgmii_pins>;
161         phy-supply = <&reg_dldo4>;
162         phy-handle = <&rgmii_phy>;
163         phy-mode = "rgmii";
164         status = "okay";
165 };
166
167 &mdio {
168         rgmii_phy: ethernet-phy@1 {
169                 compatible = "ethernet-phy-ieee802.3-c22";
170                 reg = <1>;
171         };
172 };
173
174 &mmc0 {
175         pinctrl-names = "default";
176         pinctrl-0 = <&mmc0_pins>;
177         vmmc-supply = <&reg_dcdc1>;
178         bus-width = <4>;
179         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
180         status = "okay";
181 };
182
183 &mmc1 {
184         vmmc-supply = <&reg_dcdc1>;
185         vqmmc-supply = <&reg_sw>;
186         mmc-pwrseq = <&wifi_pwrseq>;
187         bus-width = <4>;
188         non-removable;
189         status = "okay";
190 };
191
192 &mmc2 {
193         pinctrl-names = "default";
194         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
195         vmmc-supply = <&reg_dcdc1>;
196         bus-width = <8>;
197         non-removable;
198         cap-mmc-hw-reset;
199         status = "okay";
200 };
201
202 &r_rsb {
203         status = "okay";
204
205         axp81x: pmic@3a3 {
206                 compatible = "x-powers,axp818", "x-powers,axp813";
207                 reg = <0x3a3>;
208                 interrupt-parent = <&r_intc>;
209                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
210                 eldoin-supply = <&reg_dcdc1>;
211                 swin-supply = <&reg_dcdc1>;
212                 x-powers,drive-vbus-en;
213         };
214
215         ac100: codec@e89 {
216                 compatible = "x-powers,ac100";
217                 reg = <0xe89>;
218
219                 ac100_codec: codec {
220                         compatible = "x-powers,ac100-codec";
221                         interrupt-parent = <&r_pio>;
222                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
223                         #clock-cells = <0>;
224                         clock-output-names = "4M_adda";
225                 };
226
227                 ac100_rtc: rtc {
228                         compatible = "x-powers,ac100-rtc";
229                         interrupt-parent = <&r_intc>;
230                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
231                         clocks = <&ac100_codec>;
232                         #clock-cells = <1>;
233                         clock-output-names = "cko1_rtc",
234                                              "cko2_rtc",
235                                              "cko3_rtc";
236                 };
237         };
238 };
239
240 #include "axp81x.dtsi"
241
242 &reg_aldo1 {
243         regulator-always-on;
244         regulator-min-microvolt = <1800000>;
245         regulator-max-microvolt = <1800000>;
246         regulator-name = "vcc-1v8";
247 };
248
249 &reg_aldo2 {
250         regulator-always-on;
251         regulator-min-microvolt = <1800000>;
252         regulator-max-microvolt = <1800000>;
253         regulator-name = "dram-pll";
254 };
255
256 &reg_aldo3 {
257         regulator-always-on;
258         regulator-min-microvolt = <3000000>;
259         regulator-max-microvolt = <3000000>;
260         regulator-name = "avcc";
261 };
262
263 &reg_dcdc1 {
264         /*
265          * The schematics say this should be 3.3V, but the FEX file says
266          * it should be 3V. The latter makes sense, as the WiFi module's
267          * I/O is indirectly powered from DCDC1, through SW. It is rated
268          * at 2.98V maximum.
269          */
270         regulator-always-on;
271         regulator-min-microvolt = <3000000>;
272         regulator-max-microvolt = <3000000>;
273         regulator-name = "vcc-3v";
274 };
275
276 &reg_dcdc2 {
277         regulator-always-on;
278         regulator-min-microvolt = <700000>;
279         regulator-max-microvolt = <1100000>;
280         regulator-name = "vdd-cpua";
281 };
282
283 &reg_dcdc3 {
284         regulator-always-on;
285         regulator-min-microvolt = <700000>;
286         regulator-max-microvolt = <1100000>;
287         regulator-name = "vdd-cpub";
288 };
289
290 &reg_dcdc4 {
291         regulator-min-microvolt = <700000>;
292         regulator-max-microvolt = <1100000>;
293         regulator-name = "vdd-gpu";
294 };
295
296 &reg_dcdc5 {
297         regulator-always-on;
298         regulator-min-microvolt = <1500000>;
299         regulator-max-microvolt = <1500000>;
300         regulator-name = "vcc-dram";
301 };
302
303 &reg_dcdc6 {
304         regulator-always-on;
305         regulator-min-microvolt = <900000>;
306         regulator-max-microvolt = <900000>;
307         regulator-name = "vdd-sys";
308 };
309
310 &reg_dldo2 {
311         regulator-min-microvolt = <3300000>;
312         regulator-max-microvolt = <3300000>;
313         regulator-name = "dp-pwr";
314 };
315
316 &reg_dldo3 {
317         regulator-always-on;
318         regulator-min-microvolt = <2500000>;
319         regulator-max-microvolt = <2500000>;
320         regulator-name = "ephy-io";
321 };
322
323 &reg_dldo4 {
324         /*
325          * The PHY requires 20ms after all voltages are applied until core
326          * logic is ready and 30ms after the reset pin is de-asserted.
327          * Set a 100ms delay to account for PMIC ramp time and board traces.
328          */
329         regulator-enable-ramp-delay = <100000>;
330         regulator-min-microvolt = <3300000>;
331         regulator-max-microvolt = <3300000>;
332         regulator-name = "ephy";
333 };
334
335 &reg_drivevbus {
336         regulator-name = "usb0-vbus";
337         status = "okay";
338 };
339
340 &reg_eldo1 {
341         regulator-min-microvolt = <1200000>;
342         regulator-max-microvolt = <1200000>;
343         regulator-name = "dp-bridge-1";
344 };
345
346 &reg_eldo2 {
347         regulator-min-microvolt = <1200000>;
348         regulator-max-microvolt = <1200000>;
349         regulator-name = "dp-bridge-2";
350 };
351
352 &reg_fldo1 {
353         /* TODO should be handled by USB PHY */
354         regulator-always-on;
355         regulator-min-microvolt = <1080000>;
356         regulator-max-microvolt = <1320000>;
357         regulator-name = "vdd12-hsic";
358 };
359
360 &reg_fldo2 {
361         /*
362          * Despite the embedded CPUs core not being used in any way,
363          * this must remain on or the system will hang.
364          */
365         regulator-always-on;
366         regulator-min-microvolt = <700000>;
367         regulator-max-microvolt = <1100000>;
368         regulator-name = "vdd-cpus";
369 };
370
371 &reg_rtc_ldo {
372         regulator-name = "vcc-rtc";
373 };
374
375 &reg_sw {
376         regulator-name = "vcc-wifi-io";
377 };
378
379 &spdif {
380         status = "okay";
381 };
382
383 &uart0 {
384         pinctrl-names = "default";
385         pinctrl-0 = <&uart0_pb_pins>;
386         status = "okay";
387 };
388
389 &usb_otg {
390         status = "okay";
391 };
392
393 &usbphy {
394         usb1_vbus-supply = <&reg_usb1_vbus>;
395         usb2_vbus-supply = <&reg_usb2_vbus>;
396         status = "okay";
397 };