xref: /linux/arch/arm/boot/dts/allwinner/sun9i-a80-optimus.dts (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d) 
1/*
2 * Copyright 2014 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 "sun9i-a80.dtsi"
47
48#include <dt-bindings/gpio/gpio.h>
49
50/ {
51	model = "Merrii A80 Optimus Board";
52	compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
53
54	aliases {
55		serial0 = &uart0;
56		serial1 = &uart4;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62
63	leds {
64		compatible = "gpio-leds";
65
66		/* The LED names match those found on the board */
67		led2 {
68			label = "optimus:led2:usr";
69			gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
70		};
71
72		led3 {
73			label = "optimus:led3:usr";
74			gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
75		};
76
77		led4 {
78			label = "optimus:led4:usr";
79			gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
80		};
81	};
82
83	reg_usb1_vbus: usb1-vbus {
84		compatible = "regulator-fixed";
85		regulator-name = "usb1-vbus";
86		regulator-min-microvolt = <5000000>;
87		regulator-max-microvolt = <5000000>;
88		enable-active-high;
89		gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
90	};
91
92	reg_usb3_vbus: usb3-vbus {
93		compatible = "regulator-fixed";
94		regulator-name = "usb3-vbus";
95		regulator-min-microvolt = <5000000>;
96		regulator-max-microvolt = <5000000>;
97		enable-active-high;
98		gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
99	};
100
101	wifi_pwrseq: wifi-pwrseq {
102		compatible = "mmc-pwrseq-simple";
103		clocks = <&ac100_rtc 1>;
104		clock-names = "ext_clock";
105		/* enables internal regulator and de-asserts reset */
106		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
107	};
108};
109
110&ehci0 {
111	status = "okay";
112};
113
114&ehci1 {
115	/* Enable if HSIC peripheral is connected */
116	status = "disabled";
117};
118
119&ehci2 {
120	status = "okay";
121};
122
123&gmac {
124	pinctrl-names = "default";
125	pinctrl-0 = <&gmac_rgmii_pins>;
126	phy-handle = <&phy1>;
127	phy-mode = "rgmii-id";
128	phy-supply = <&reg_cldo1>;
129	status = "okay";
130};
131
132&mdio {
133	phy1: ethernet-phy@1 {
134		reg = <1>;
135	};
136};
137
138&mmc0 {
139	pinctrl-names = "default";
140	pinctrl-0 = <&mmc0_pins>;
141	vmmc-supply = <&reg_dcdc1>;
142	bus-width = <4>;
143	cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */
144	status = "okay";
145};
146
147&mmc1 {
148	pinctrl-names = "default";
149	pinctrl-0 = <&mmc1_pins>;
150	vmmc-supply = <&reg_dldo1>;
151	vqmmc-supply = <&reg_cldo3>;
152	mmc-pwrseq = <&wifi_pwrseq>;
153	bus-width = <4>;
154	non-removable;
155	status = "okay";
156};
157
158&mmc1_pins {
159	bias-pull-up;
160};
161
162&mmc2 {
163	pinctrl-names = "default";
164	pinctrl-0 = <&mmc2_8bit_pins>;
165	vmmc-supply = <&reg_dcdc1>;
166	bus-width = <8>;
167	non-removable;
168	cap-mmc-hw-reset;
169	status = "okay";
170};
171
172&mmc2_8bit_pins {
173	/* Increase drive strength for DDR modes */
174	drive-strength = <40>;
175};
176
177&ohci0 {
178	status = "okay";
179};
180
181&ohci2 {
182	status = "okay";
183};
184
185&osc32k {
186	/* osc32k input is from AC100 */
187	clocks = <&ac100_rtc 0>;
188};
189
190&pio {
191	vcc-pa-supply = <&reg_ldo_io1>;
192	vcc-pb-supply = <&reg_aldo2>;
193	vcc-pc-supply = <&reg_dcdc1>;
194	vcc-pd-supply = <&reg_dcdc1>;
195	vcc-pe-supply = <&reg_eldo2>;
196	vcc-pf-supply = <&reg_dcdc1>;
197	vcc-pg-supply = <&reg_ldo_io0>;
198	vcc-ph-supply = <&reg_dcdc1>;
199};
200
201&r_ir {
202	status = "okay";
203};
204
205&r_pio {
206	vcc-pl-supply = <&reg_dldo2>;
207	vcc-pm-supply = <&reg_eldo3>;
208};
209
210&r_rsb {
211	status = "okay";
212
213	axp809: pmic@3a3 {
214		reg = <0x3a3>;
215		interrupt-parent = <&nmi_intc>;
216		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
217
218		regulators {
219			reg_aldo1: aldo1 {
220				/*
221				 * TODO: This should be handled by the
222				 * USB PHY driver.
223				 */
224				regulator-always-on;
225				regulator-min-microvolt = <3000000>;
226				regulator-max-microvolt = <3000000>;
227				regulator-name = "vcc33-usbh";
228			};
229
230			reg_aldo2: aldo2 {
231				regulator-min-microvolt = <1800000>;
232				regulator-max-microvolt = <1800000>;
233				regulator-name = "vcc-pb-io-cam";
234			};
235
236			aldo3 {
237				/* unused */
238			};
239
240			reg_dc5ldo: dc5ldo {
241				regulator-always-on;
242				regulator-min-microvolt = <800000>;
243				regulator-max-microvolt = <1100000>;
244				regulator-name = "vdd-cpus-09-usbh";
245			};
246
247			dc1sw {
248				/* unused */
249			};
250
251			reg_dcdc1: dcdc1 {
252				regulator-always-on;
253				regulator-min-microvolt = <3000000>;
254				regulator-max-microvolt = <3000000>;
255				regulator-name = "vcc-3v";
256			};
257
258			reg_dcdc2: dcdc2 {
259				regulator-min-microvolt = <800000>;
260				regulator-max-microvolt = <1100000>;
261				regulator-name = "vdd-gpu";
262			};
263
264			reg_dcdc3: dcdc3 {
265				regulator-always-on;
266				regulator-min-microvolt = <800000>;
267				regulator-max-microvolt = <1100000>;
268				regulator-name = "vdd-cpua";
269			};
270
271			reg_dcdc4: dcdc4 {
272				regulator-always-on;
273				regulator-min-microvolt = <800000>;
274				regulator-max-microvolt = <1100000>;
275				regulator-name = "vdd-sys-usb0-hdmi";
276			};
277
278			reg_dcdc5: dcdc5 {
279				regulator-always-on;
280				regulator-min-microvolt = <1425000>;
281				regulator-max-microvolt = <1575000>;
282				regulator-name = "vcc-dram";
283			};
284
285			reg_dldo1: dldo1 {
286				/*
287				 * The WiFi chip supports a wide range
288				 * (3.0 ~ 4.8V) of voltages, and so does
289				 * this regulator (3.0 ~ 4.2V), but
290				 * Allwinner SDK always sets it to 3.3V.
291				 */
292				regulator-min-microvolt = <3300000>;
293				regulator-max-microvolt = <3300000>;
294				regulator-name = "vcc-wifi";
295			};
296
297			reg_dldo2: dldo2 {
298				regulator-min-microvolt = <3000000>;
299				regulator-max-microvolt = <3000000>;
300				regulator-name = "vcc-pl";
301			};
302
303			reg_eldo1: eldo1 {
304				regulator-min-microvolt = <1200000>;
305				regulator-max-microvolt = <1200000>;
306				regulator-name = "vcc-dvdd-cam";
307			};
308
309			reg_eldo2: eldo2 {
310				regulator-min-microvolt = <1800000>;
311				regulator-max-microvolt = <1800000>;
312				regulator-name = "vcc-pe";
313			};
314
315			reg_eldo3: eldo3 {
316				regulator-min-microvolt = <3000000>;
317				regulator-max-microvolt = <3000000>;
318				regulator-name = "vcc-pm-codec-io1";
319			};
320
321			reg_ldo_io0: ldo_io0 {
322				regulator-min-microvolt = <3000000>;
323				regulator-max-microvolt = <3000000>;
324				regulator-name = "vcc-pg";
325			};
326
327			reg_ldo_io1: ldo_io1 {
328				regulator-min-microvolt = <2500000>;
329				regulator-max-microvolt = <2500000>;
330				regulator-name = "vcc-pa-gmac-2v5";
331			};
332
333			reg_rtc_ldo: rtc_ldo {
334				regulator-name = "vcc-rtc-vdd1v8-io";
335			};
336
337			sw {
338				/* unused */
339			};
340		};
341	};
342
343	axp806: pmic@745 {
344		compatible = "x-powers,axp806";
345		reg = <0x745>;
346		interrupt-parent = <&nmi_intc>;
347		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
348		interrupt-controller;
349		#interrupt-cells = <1>;
350		bldoin-supply = <&reg_dcdce>;
351
352		regulators {
353			reg_s_aldo1: aldo1 {
354				regulator-always-on;
355				regulator-min-microvolt = <3000000>;
356				regulator-max-microvolt = <3000000>;
357				regulator-name = "avcc";
358			};
359
360			aldo2 {
361				/*
362				 * unused, but use a different name to
363				 * avoid name clash with axp809's aldo's
364				 */
365				regulator-name = "s_aldo2";
366			};
367
368			aldo3 {
369				/*
370				 * unused, but use a different name to
371				 * avoid name clash with axp809's aldo's
372				 */
373				regulator-name = "s_aldo3";
374			};
375
376			reg_bldo1: bldo1 {
377				regulator-always-on;
378				regulator-min-microvolt = <1700000>;
379				regulator-max-microvolt = <1900000>;
380				regulator-name = "vcc18-efuse-adc-display-csi";
381			};
382
383			reg_bldo2: bldo2 {
384				regulator-always-on;
385				regulator-min-microvolt = <1700000>;
386				regulator-max-microvolt = <1900000>;
387				regulator-name =
388					"vdd18-drampll-vcc18-pll-cpvdd";
389			};
390
391			bldo3 {
392				/* unused */
393			};
394
395			reg_bldo4: bldo4 {
396				regulator-min-microvolt = <1100000>;
397				regulator-max-microvolt = <1300000>;
398				regulator-name = "vcc12-hsic";
399			};
400
401			reg_cldo1: cldo1 {
402				/*
403				 * This was 3V in the original design, but
404				 * 3.3V is the recommended supply voltage
405				 * for the Ethernet PHY.
406				 */
407				regulator-min-microvolt = <3300000>;
408				regulator-max-microvolt = <3300000>;
409				/*
410				 * The PHY requires 20ms after all voltages
411				 * are applied until core logic is ready and
412				 * 30ms after the reset pin is de-asserted.
413				 * Set a 100ms delay to account for PMIC
414				 * ramp time and board traces.
415				 */
416				regulator-enable-ramp-delay = <100000>;
417				regulator-name = "vcc-gmac-phy";
418			};
419
420			reg_cldo2: cldo2 {
421				regulator-min-microvolt = <2800000>;
422				regulator-max-microvolt = <2800000>;
423				regulator-name = "afvcc-cam";
424			};
425
426			reg_cldo3: cldo3 {
427				regulator-min-microvolt = <3000000>;
428				regulator-max-microvolt = <3000000>;
429				regulator-name = "vcc-io-wifi-codec-io2";
430			};
431
432			reg_dcdca: dcdca {
433				regulator-always-on;
434				regulator-min-microvolt = <800000>;
435				regulator-max-microvolt = <1100000>;
436				regulator-name = "vdd-cpub";
437			};
438
439			reg_dcdcd: dcdcd {
440				regulator-always-on;
441				regulator-min-microvolt = <800000>;
442				regulator-max-microvolt = <1100000>;
443				regulator-name = "vdd-vpu";
444			};
445
446			reg_dcdce: dcdce {
447				regulator-always-on;
448				regulator-min-microvolt = <2100000>;
449				regulator-max-microvolt = <2100000>;
450				regulator-name = "vcc-bldo-codec-ldoin";
451			};
452
453			sw {
454				/*
455				 * unused, but use a different name to
456				 * avoid name clash with axp809's sw
457				 */
458				regulator-name = "s_sw";
459			};
460		};
461	};
462
463	ac100: codec@e89 {
464		compatible = "x-powers,ac100";
465		reg = <0xe89>;
466
467		ac100_codec: codec {
468			compatible = "x-powers,ac100-codec";
469			interrupt-parent = <&r_pio>;
470			interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
471			#clock-cells = <0>;
472			clock-output-names = "4M_adda";
473		};
474
475		ac100_rtc: rtc {
476			compatible = "x-powers,ac100-rtc";
477			interrupt-parent = <&nmi_intc>;
478			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
479			clocks = <&ac100_codec>;
480			#clock-cells = <1>;
481			clock-output-names = "cko1_rtc",
482					     "cko2_rtc",
483					     "cko3_rtc";
484		};
485	};
486};
487
488#include "axp809.dtsi"
489
490&uart0 {
491	pinctrl-names = "default";
492	pinctrl-0 = <&uart0_ph_pins>;
493	status = "okay";
494};
495
496&usbphy1 {
497	phy-supply = <&reg_usb1_vbus>;
498	status = "okay";
499};
500
501&usbphy2 {
502	phy-supply = <&reg_bldo4>;
503	/* Enable if HSIC peripheral is connected */
504	status = "disabled";
505};
506
507&usbphy3 {
508	phy-supply = <&reg_usb3_vbus>;
509	status = "okay";
510};
511