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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		pinctrl-names = "default";
66		pinctrl-0 = <&led_pins_optimus>, <&led_r_pins_optimus>;
67
68		/* The LED names match those found on the board */
69
70		led2 {
71			label = "optimus:led2:usr";
72			gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
73		};
74
75		led3 {
76			label = "optimus:led3:usr";
77			gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */
78		};
79
80		led4 {
81			label = "optimus:led4:usr";
82			gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>;
83		};
84	};
85
86	reg_usb1_vbus: usb1-vbus {
87		compatible = "regulator-fixed";
88		pinctrl-names = "default";
89		pinctrl-0 = <&usb1_vbus_pin_optimus>;
90		regulator-name = "usb1-vbus";
91		regulator-min-microvolt = <5000000>;
92		regulator-max-microvolt = <5000000>;
93		enable-active-high;
94		gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
95	};
96
97	reg_usb3_vbus: usb3-vbus {
98		compatible = "regulator-fixed";
99		pinctrl-names = "default";
100		pinctrl-0 = <&usb3_vbus_pin_optimus>;
101		regulator-name = "usb3-vbus";
102		regulator-min-microvolt = <5000000>;
103		regulator-max-microvolt = <5000000>;
104		enable-active-high;
105		gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
106	};
107
108	wifi_pwrseq: wifi_pwrseq {
109		compatible = "mmc-pwrseq-simple";
110		clocks = <&ac100_rtc 1>;
111		clock-names = "ext_clock";
112		/* enables internal regulator and de-asserts reset */
113		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
114	};
115};
116
117&ehci0 {
118	status = "okay";
119};
120
121&ehci1 {
122	/* Enable if HSIC peripheral is connected */
123	status = "disabled";
124};
125
126&ehci2 {
127	status = "okay";
128};
129
130&mmc0 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_optimus>;
133	vmmc-supply = <&reg_dcdc1>;
134	bus-width = <4>;
135	cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH8 */
136	cd-inverted;
137	status = "okay";
138};
139
140&mmc1 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_optimus>;
143	vmmc-supply = <&reg_dldo1>;
144	vqmmc-supply = <&reg_cldo3>;
145	mmc-pwrseq = <&wifi_pwrseq>;
146	bus-width = <4>;
147	non-removable;
148	status = "okay";
149};
150
151&mmc1_pins {
152	bias-pull-up;
153};
154
155&mmc2 {
156	pinctrl-names = "default";
157	pinctrl-0 = <&mmc2_8bit_pins>;
158	vmmc-supply = <&reg_dcdc1>;
159	bus-width = <8>;
160	non-removable;
161	cap-mmc-hw-reset;
162	status = "okay";
163};
164
165&mmc2_8bit_pins {
166	/* Increase drive strength for DDR modes */
167	drive-strength = <40>;
168};
169
170&ohci0 {
171	status = "okay";
172};
173
174&ohci2 {
175	status = "okay";
176};
177
178&osc32k {
179	/* osc32k input is from AC100 */
180	clocks = <&ac100_rtc 0>;
181};
182
183&pio {
184	led_pins_optimus: led-pins@0 {
185		pins = "PH0", "PH1";
186		function = "gpio_out";
187	};
188
189	mmc0_cd_pin_optimus: mmc0_cd_pin@0 {
190		pins = "PH18";
191		function = "gpio_in";
192		bias-pull-up;
193	};
194
195	usb1_vbus_pin_optimus: usb1_vbus_pin@1 {
196		pins = "PH4";
197		function = "gpio_out";
198	};
199
200	usb3_vbus_pin_optimus: usb3_vbus_pin@1 {
201		pins = "PH5";
202		function = "gpio_out";
203	};
204};
205
206&r_ir {
207	status = "okay";
208};
209
210&r_pio {
211	led_r_pins_optimus: led-pins@1 {
212		pins = "PM15";
213		function = "gpio_out";
214	};
215
216	wifi_en_pin_optimus: wifi_en_pin@0 {
217		pins = "PL2";
218		function = "gpio_out";
219	};
220};
221
222&r_rsb {
223	status = "okay";
224
225	axp809: pmic@3a3 {
226		reg = <0x3a3>;
227		interrupt-parent = <&nmi_intc>;
228		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
229
230		regulators {
231			reg_aldo1: aldo1 {
232				/*
233				 * TODO: This should be handled by the
234				 * USB PHY driver.
235				 */
236				regulator-always-on;
237				regulator-min-microvolt = <3000000>;
238				regulator-max-microvolt = <3000000>;
239				regulator-name = "vcc33-usbh";
240			};
241
242			reg_aldo2: aldo2 {
243				regulator-min-microvolt = <1800000>;
244				regulator-max-microvolt = <1800000>;
245				regulator-name = "vcc-pb-io-cam";
246			};
247
248			aldo3 {
249				/* unused */
250			};
251
252			reg_dc5ldo: dc5ldo {
253				regulator-always-on;
254				regulator-min-microvolt = <800000>;
255				regulator-max-microvolt = <1100000>;
256				regulator-name = "vdd-cpus-09-usbh";
257			};
258
259			reg_dcdc1: dcdc1 {
260				regulator-always-on;
261				regulator-min-microvolt = <3000000>;
262				regulator-max-microvolt = <3000000>;
263				regulator-name = "vcc-3v";
264			};
265
266			reg_dcdc2: dcdc2 {
267				regulator-min-microvolt = <800000>;
268				regulator-max-microvolt = <1100000>;
269				regulator-name = "vdd-gpu";
270			};
271
272			reg_dcdc3: dcdc3 {
273				regulator-always-on;
274				regulator-min-microvolt = <800000>;
275				regulator-max-microvolt = <1100000>;
276				regulator-name = "vdd-cpua";
277			};
278
279			reg_dcdc4: dcdc4 {
280				regulator-always-on;
281				regulator-min-microvolt = <800000>;
282				regulator-max-microvolt = <1100000>;
283				regulator-name = "vdd-sys-usb0-hdmi";
284			};
285
286			reg_dcdc5: dcdc5 {
287				regulator-always-on;
288				regulator-min-microvolt = <1425000>;
289				regulator-max-microvolt = <1575000>;
290				regulator-name = "vcc-dram";
291			};
292
293			reg_dldo1: dldo1 {
294				/*
295				 * The WiFi chip supports a wide range
296				 * (3.0 ~ 4.8V) of voltages, and so does
297				 * this regulator (3.0 ~ 4.2V), but
298				 * Allwinner SDK always sets it to 3.3V.
299				 */
300				regulator-min-microvolt = <3300000>;
301				regulator-max-microvolt = <3300000>;
302				regulator-name = "vcc-wifi";
303			};
304
305			reg_dldo2: dldo2 {
306				regulator-always-on;
307				regulator-min-microvolt = <3000000>;
308				regulator-max-microvolt = <3000000>;
309				regulator-name = "vcc-pl";
310			};
311
312			reg_eldo1: eldo1 {
313				regulator-min-microvolt = <1200000>;
314				regulator-max-microvolt = <1200000>;
315				regulator-name = "vcc-dvdd-cam";
316			};
317
318			reg_eldo2: eldo2 {
319				regulator-min-microvolt = <1800000>;
320				regulator-max-microvolt = <1800000>;
321				regulator-name = "vcc-pe";
322			};
323
324			reg_eldo3: eldo3 {
325				regulator-always-on;
326				regulator-min-microvolt = <3000000>;
327				regulator-max-microvolt = <3000000>;
328				regulator-name = "vcc-pm-codec-io1";
329			};
330
331			reg_ldo_io0: ldo_io0 {
332				regulator-always-on;
333				regulator-min-microvolt = <3000000>;
334				regulator-max-microvolt = <3000000>;
335				regulator-name = "vcc-pg";
336			};
337
338			reg_ldo_io1: ldo_io1 {
339				regulator-min-microvolt = <2500000>;
340				regulator-max-microvolt = <2500000>;
341				regulator-name = "vcc-pa-gmac-2v5";
342			};
343
344			reg_rtc_ldo: rtc_ldo {
345				regulator-name = "vcc-rtc-vdd1v8-io";
346			};
347
348			sw {
349				/* unused */
350			};
351		};
352	};
353
354	axp806: pmic@745 {
355		compatible = "x-powers,axp806";
356		reg = <0x745>;
357		interrupt-parent = <&nmi_intc>;
358		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
359		interrupt-controller;
360		#interrupt-cells = <1>;
361		bldoin-supply = <&reg_dcdce>;
362
363		regulators {
364			reg_s_aldo1: aldo1 {
365				regulator-always-on;
366				regulator-min-microvolt = <3000000>;
367				regulator-max-microvolt = <3000000>;
368				regulator-name = "avcc";
369			};
370
371			aldo2 {
372				/*
373				 * unused, but use a different name to
374				 * avoid name clash with axp809's aldo's
375				 */
376				regulator-name = "s_aldo2";
377			};
378
379			aldo3 {
380				/*
381				 * unused, but use a different name to
382				 * avoid name clash with axp809's aldo's
383				 */
384				regulator-name = "s_aldo3";
385			};
386
387			reg_bldo1: bldo1 {
388				regulator-always-on;
389				regulator-min-microvolt = <1700000>;
390				regulator-max-microvolt = <1900000>;
391				regulator-name = "vcc18-efuse-adc-display-csi";
392			};
393
394			reg_bldo2: bldo2 {
395				regulator-always-on;
396				regulator-min-microvolt = <1700000>;
397				regulator-max-microvolt = <1900000>;
398				regulator-name =
399					"vdd18-drampll-vcc18-pll-cpvdd";
400			};
401
402			bldo3 {
403				/* unused */
404			};
405
406			reg_bldo4: bldo4 {
407				regulator-min-microvolt = <1100000>;
408				regulator-max-microvolt = <1300000>;
409				regulator-name = "vcc12-hsic";
410			};
411
412			reg_cldo1: cldo1 {
413				/*
414				 * This was 3V in the original design, but
415				 * 3.3V is the recommended supply voltage
416				 * for the Ethernet PHY.
417				 */
418				regulator-min-microvolt = <3300000>;
419				regulator-max-microvolt = <3300000>;
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&uart0 {
494	pinctrl-names = "default";
495	pinctrl-0 = <&uart0_pins_a>;
496	status = "okay";
497};
498
499&usbphy1 {
500	phy-supply = <&reg_usb1_vbus>;
501	status = "okay";
502};
503
504&usbphy2 {
505	phy-supply = <&reg_bldo4>;
506	/* Enable if HSIC peripheral is connected */
507	status = "disabled";
508};
509
510&usbphy3 {
511	phy-supply = <&reg_usb3_vbus>;
512	status = "okay";
513};
514