Merge tag 'docs-5.11-2' of git://git.lwn.net/linux
[linux-2.6-microblaze.git] / arch / arm / boot / dts / sun9i-a80-cubieboard4.dts
1 /*
2  * Copyright 2015 Tyler Baker
3  *
4  * Tyler Baker <tyler.baker@linaro.org>
5  * Chen-Yu Tsai <wens@csie.org>
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 "sun9i-a80.dtsi"
48
49 #include <dt-bindings/gpio/gpio.h>
50
51 / {
52         model = "Cubietech Cubieboard4";
53         compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
54
55         aliases {
56                 serial0 = &uart0;
57         };
58
59         chosen {
60                 stdout-path = "serial0:115200n8";
61         };
62
63         leds {
64                 compatible = "gpio-leds";
65
66                 green {
67                         label = "cubieboard4:green:usr";
68                         gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
69                 };
70
71                 red {
72                         label = "cubieboard4:red:usr";
73                         gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
74                 };
75         };
76
77         vga-connector {
78                 compatible = "vga-connector";
79                 label = "vga";
80                 ddc-i2c-bus = <&i2c3>;
81
82                 port {
83                         vga_con_in: endpoint {
84                                 remote-endpoint = <&vga_dac_out>;
85                         };
86                 };
87         };
88
89         vga-dac {
90                 compatible = "corpro,gm7123", "adi,adv7123", "dumb-vga-dac";
91                 vdd-supply = <&reg_dcdc1>;
92
93                 ports {
94                         #address-cells = <1>;
95                         #size-cells = <0>;
96
97                         port@0 {
98                                 reg = <0>;
99
100                                 vga_dac_in: endpoint {
101                                         remote-endpoint = <&tcon0_out_vga>;
102                                 };
103                         };
104
105                         port@1 {
106                                 reg = <1>;
107
108                                 vga_dac_out: endpoint {
109                                         remote-endpoint = <&vga_con_in>;
110                                 };
111                         };
112                 };
113         };
114
115         wifi_pwrseq: wifi-pwrseq {
116                 compatible = "mmc-pwrseq-simple";
117                 clocks = <&ac100_rtc 1>;
118                 clock-names = "ext_clock";
119                 /* enables internal regulator and de-asserts reset */
120                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
121         };
122 };
123
124 &de {
125         status = "okay";
126 };
127
128 &gmac {
129         pinctrl-names = "default";
130         pinctrl-0 = <&gmac_rgmii_pins>;
131         phy-handle = <&phy1>;
132         phy-mode = "rgmii-id";
133         phy-supply = <&reg_cldo1>;
134         status = "okay";
135 };
136
137 &i2c3 {
138         pinctrl-names = "default";
139         pinctrl-0 = <&i2c3_pins>;
140         status = "okay";
141 };
142
143 &mdio {
144         phy1: ethernet-phy@1 {
145                 reg = <1>;
146         };
147 };
148
149 &mmc0 {
150         pinctrl-names = "default";
151         pinctrl-0 = <&mmc0_pins>;
152         vmmc-supply = <&reg_dcdc1>;
153         bus-width = <4>;
154         cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH18 */
155         status = "okay";
156 };
157
158 &mmc1 {
159         pinctrl-names = "default";
160         pinctrl-0 = <&mmc1_pins>;
161         vmmc-supply = <&reg_dldo1>;
162         vqmmc-supply = <&reg_cldo3>;
163         mmc-pwrseq = <&wifi_pwrseq>;
164         bus-width = <4>;
165         non-removable;
166         status = "okay";
167 };
168
169 &mmc1_pins {
170         bias-pull-up;
171 };
172
173 &mmc2 {
174         pinctrl-names = "default";
175         pinctrl-0 = <&mmc2_8bit_pins>;
176         vmmc-supply = <&reg_dcdc1>;
177         bus-width = <8>;
178         non-removable;
179         cap-mmc-hw-reset;
180         status = "okay";
181 };
182
183 &mmc2_8bit_pins {
184         /* Increase drive strength for DDR modes */
185         drive-strength = <40>;
186 };
187
188 &osc32k {
189         /* osc32k input is from AC100 */
190         clocks = <&ac100_rtc 0>;
191 };
192
193 &pio {
194         vcc-pa-supply = <&reg_ldo_io1>;
195         vcc-pb-supply = <&reg_aldo2>;
196         vcc-pc-supply = <&reg_dcdc1>;
197         vcc-pd-supply = <&reg_dc1sw>;
198         vcc-pe-supply = <&reg_eldo2>;
199         vcc-pf-supply = <&reg_dcdc1>;
200         vcc-pg-supply = <&reg_ldo_io0>;
201         vcc-ph-supply = <&reg_dcdc1>;
202 };
203
204 &r_ir {
205         status = "okay";
206 };
207
208 &r_pio {
209         vcc-pl-supply = <&reg_dldo2>;
210         vcc-pm-supply = <&reg_eldo3>;
211 };
212
213 &r_rsb {
214         status = "okay";
215
216         axp809: pmic@3a3 {
217                 reg = <0x3a3>;
218                 interrupt-parent = <&nmi_intc>;
219                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
220
221                 regulators {
222                         reg_aldo1: aldo1 {
223                                 /*
224                                  * TODO: This should be handled by the
225                                  * USB PHY driver.
226                                  */
227                                 regulator-always-on;
228                                 regulator-min-microvolt = <3000000>;
229                                 regulator-max-microvolt = <3000000>;
230                                 regulator-name = "vcc33-usbh";
231                         };
232
233                         reg_aldo2: aldo2 {
234                                 regulator-min-microvolt = <1800000>;
235                                 regulator-max-microvolt = <1800000>;
236                                 regulator-name = "vcc-pb-io-cam";
237                         };
238
239                         aldo3 {
240                                 /* unused */
241                         };
242
243                         reg_dc1sw: dc1sw {
244                                 regulator-name = "vcc-pd";
245                         };
246
247                         reg_dc5ldo: dc5ldo {
248                                 regulator-always-on;
249                                 regulator-min-microvolt = <800000>;
250                                 regulator-max-microvolt = <1100000>;
251                                 regulator-name = "vdd-cpus-09-usbh";
252                         };
253
254                         reg_dcdc1: dcdc1 {
255                                 regulator-always-on;
256                                 regulator-min-microvolt = <3000000>;
257                                 regulator-max-microvolt = <3000000>;
258                                 regulator-name = "vcc-3v";
259                         };
260
261                         reg_dcdc2: dcdc2 {
262                                 regulator-min-microvolt = <800000>;
263                                 regulator-max-microvolt = <1100000>;
264                                 regulator-name = "vdd-gpu";
265                         };
266
267                         reg_dcdc3: dcdc3 {
268                                 regulator-always-on;
269                                 regulator-min-microvolt = <800000>;
270                                 regulator-max-microvolt = <1100000>;
271                                 regulator-name = "vdd-cpua";
272                         };
273
274                         reg_dcdc4: dcdc4 {
275                                 regulator-always-on;
276                                 regulator-min-microvolt = <800000>;
277                                 regulator-max-microvolt = <1100000>;
278                                 regulator-name = "vdd-sys-usb0-hdmi";
279                         };
280
281                         reg_dcdc5: dcdc5 {
282                                 regulator-always-on;
283                                 regulator-min-microvolt = <1425000>;
284                                 regulator-max-microvolt = <1575000>;
285                                 regulator-name = "vcc-dram";
286                         };
287
288                         reg_dldo1: dldo1 {
289                                 /*
290                                  * The WiFi chip supports a wide range
291                                  * (3.0 ~ 4.8V) of voltages, and so does
292                                  * this regulator (3.0 ~ 4.2V), but
293                                  * Allwinner SDK always sets it to 3.3V.
294                                  */
295                                 regulator-min-microvolt = <3300000>;
296                                 regulator-max-microvolt = <3300000>;
297                                 regulator-name = "vcc-wifi";
298                         };
299
300                         reg_dldo2: dldo2 {
301                                 regulator-min-microvolt = <3000000>;
302                                 regulator-max-microvolt = <3000000>;
303                                 regulator-name = "vcc-pl";
304                         };
305
306                         reg_eldo1: eldo1 {
307                                 regulator-min-microvolt = <1200000>;
308                                 regulator-max-microvolt = <1200000>;
309                                 regulator-name = "vcc-dvdd-cam";
310                         };
311
312                         reg_eldo2: eldo2 {
313                                 regulator-min-microvolt = <1800000>;
314                                 regulator-max-microvolt = <1800000>;
315                                 regulator-name = "vcc-pe";
316                         };
317
318                         reg_eldo3: eldo3 {
319                                 regulator-min-microvolt = <3000000>;
320                                 regulator-max-microvolt = <3000000>;
321                                 regulator-name = "vcc-pm-codec-io1";
322                         };
323
324                         reg_ldo_io0: ldo_io0 {
325                                 regulator-min-microvolt = <3000000>;
326                                 regulator-max-microvolt = <3000000>;
327                                 regulator-name = "vcc-pg";
328                         };
329
330                         reg_ldo_io1: ldo_io1 {
331                                 regulator-min-microvolt = <2500000>;
332                                 regulator-max-microvolt = <2500000>;
333                                 regulator-name = "vcc-pa-gmac-2v5";
334                         };
335
336                         reg_rtc_ldo: rtc_ldo {
337                                 regulator-name = "vcc-rtc-vdd1v8-io";
338                         };
339
340                         sw {
341                                 /* unused */
342                         };
343                 };
344         };
345
346         axp806: pmic@745 {
347                 compatible = "x-powers,axp806";
348                 reg = <0x745>;
349                 interrupt-parent = <&nmi_intc>;
350                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
351                 interrupt-controller;
352                 #interrupt-cells = <1>;
353                 bldoin-supply = <&reg_dcdce>;
354
355                 regulators {
356                         reg_s_aldo1: aldo1 {
357                                 regulator-always-on;
358                                 regulator-min-microvolt = <3000000>;
359                                 regulator-max-microvolt = <3000000>;
360                                 regulator-name = "avcc";
361                         };
362
363                         aldo2 {
364                                 /*
365                                  * unused, but use a different name to
366                                  * avoid name clash with axp809's aldo's
367                                  */
368                                 regulator-name = "s_aldo2";
369                         };
370
371                         aldo3 {
372                                 /*
373                                  * unused, but use a different name to
374                                  * avoid name clash with axp809's aldo's
375                                  */
376                                 regulator-name = "s_aldo3";
377                         };
378
379                         reg_bldo1: bldo1 {
380                                 regulator-always-on;
381                                 regulator-min-microvolt = <1700000>;
382                                 regulator-max-microvolt = <1900000>;
383                                 regulator-name = "vcc18-efuse-adc-display-csi";
384                         };
385
386                         reg_bldo2: bldo2 {
387                                 regulator-always-on;
388                                 regulator-min-microvolt = <1700000>;
389                                 regulator-max-microvolt = <1900000>;
390                                 regulator-name =
391                                         "vdd18-drampll-vcc18-pll-cpvdd";
392                         };
393
394                         bldo3 {
395                                 /* unused */
396                         };
397
398                         reg_bldo4: bldo4 {
399                                 regulator-min-microvolt = <1100000>;
400                                 regulator-max-microvolt = <1300000>;
401                                 regulator-name = "vcc12-hsic";
402                         };
403
404                         reg_cldo1: cldo1 {
405                                 /*
406                                  * This was 3V in the original design, but
407                                  * 3.3V is the recommended supply voltage
408                                  * for the Ethernet PHY.
409                                  */
410                                 regulator-min-microvolt = <3300000>;
411                                 regulator-max-microvolt = <3300000>;
412                                 /*
413                                  * The PHY requires 20ms after all voltages
414                                  * are applied until core logic is ready and
415                                  * 30ms after the reset pin is de-asserted.
416                                  * Set a 100ms delay to account for PMIC
417                                  * ramp time and board traces.
418                                  */
419                                 regulator-enable-ramp-delay = <100000>;
420                                 regulator-name = "vcc-gmac-phy";
421                         };
422
423                         reg_cldo2: cldo2 {
424                                 regulator-min-microvolt = <2800000>;
425                                 regulator-max-microvolt = <2800000>;
426                                 regulator-name = "afvcc-cam";
427                         };
428
429                         reg_cldo3: cldo3 {
430                                 regulator-min-microvolt = <3000000>;
431                                 regulator-max-microvolt = <3000000>;
432                                 regulator-name = "vcc-io-wifi-codec-io2";
433                         };
434
435                         reg_dcdca: dcdca {
436                                 regulator-always-on;
437                                 regulator-min-microvolt = <800000>;
438                                 regulator-max-microvolt = <1100000>;
439                                 regulator-name = "vdd-cpub";
440                         };
441
442                         reg_dcdcd: dcdcd {
443                                 regulator-always-on;
444                                 regulator-min-microvolt = <800000>;
445                                 regulator-max-microvolt = <1100000>;
446                                 regulator-name = "vdd-vpu";
447                         };
448
449                         reg_dcdce: dcdce {
450                                 regulator-always-on;
451                                 regulator-min-microvolt = <2100000>;
452                                 regulator-max-microvolt = <2100000>;
453                                 regulator-name = "vcc-bldo-codec-ldoin";
454                         };
455
456                         sw {
457                                 /*
458                                  * unused, but use a different name to
459                                  * avoid name clash with axp809's sw
460                                  */
461                                 regulator-name = "s_sw";
462                         };
463                 };
464         };
465
466         ac100: codec@e89 {
467                 compatible = "x-powers,ac100";
468                 reg = <0xe89>;
469
470                 ac100_codec: codec {
471                         compatible = "x-powers,ac100-codec";
472                         interrupt-parent = <&r_pio>;
473                         interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
474                         #clock-cells = <0>;
475                         clock-output-names = "4M_adda";
476                 };
477
478                 ac100_rtc: rtc {
479                         compatible = "x-powers,ac100-rtc";
480                         interrupt-parent = <&nmi_intc>;
481                         interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
482                         clocks = <&ac100_codec>;
483                         #clock-cells = <1>;
484                         clock-output-names = "cko1_rtc",
485                                              "cko2_rtc",
486                                              "cko3_rtc";
487                 };
488         };
489 };
490
491 #include "axp809.dtsi"
492
493 &tcon0 {
494         pinctrl-names = "default";
495         pinctrl-0 = <&lcd0_rgb888_pins>;
496 };
497
498 &tcon0_out {
499         tcon0_out_vga: endpoint {
500                 remote-endpoint = <&vga_dac_in>;
501         };
502 };
503
504 &uart0 {
505         pinctrl-names = "default";
506         pinctrl-0 = <&uart0_ph_pins>;
507         status = "okay";
508 };