1/*
2 * Copyright 2017 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 = "Banana Pi BPI-M3";
52	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
53
54	aliases {
55		ethernet0 = &emac;
56		serial0 = &uart0;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62
63	connector {
64		compatible = "hdmi-connector";
65		type = "a";
66
67		port {
68			hdmi_con_in: endpoint {
69				remote-endpoint = <&hdmi_out_con>;
70			};
71		};
72	};
73
74	leds {
75		compatible = "gpio-leds";
76
77		blue {
78			label = "bananapi-m3:blue:usr";
79			gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>;
80		};
81
82		green {
83			label = "bananapi-m3:green:usr";
84			gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>;
85		};
86	};
87
88	reg_usb1_vbus: reg-usb1-vbus {
89		compatible = "regulator-fixed";
90		regulator-name = "usb1-vbus";
91		regulator-min-microvolt = <5000000>;
92		regulator-max-microvolt = <5000000>;
93		regulator-boot-on;
94		enable-active-high;
95		gpio = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
96	};
97
98	wifi_pwrseq: wifi_pwrseq {
99		compatible = "mmc-pwrseq-simple";
100		clocks = <&ac100_rtc 1>;
101		clock-names = "ext_clock";
102		/* The WiFi low power clock must be 32768 Hz */
103		assigned-clocks = <&ac100_rtc 1>;
104		assigned-clock-rates = <32768>;
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&cpu0 {
111	cpu-supply = <&reg_dcdc2>;
112};
113
114&cpu100 {
115	cpu-supply = <&reg_dcdc3>;
116};
117
118&de {
119	status = "okay";
120};
121
122&ehci0 {
123	/* Terminus Tech FE 1.1s 4-port USB 2.0 hub here */
124	status = "okay";
125
126	/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
127};
128
129&emac {
130	pinctrl-names = "default";
131	pinctrl-0 = <&emac_rgmii_pins>;
132	phy-supply = <&reg_sw>;
133	phy-handle = <&rgmii_phy>;
134	phy-mode = "rgmii-id";
135	allwinner,rx-delay-ps = <700>;
136	allwinner,tx-delay-ps = <700>;
137	status = "okay";
138};
139
140&hdmi {
141	status = "okay";
142};
143
144&hdmi_out {
145	hdmi_out_con: endpoint {
146		remote-endpoint = <&hdmi_con_in>;
147	};
148};
149
150&mdio {
151	rgmii_phy: ethernet-phy@1 {
152		compatible = "ethernet-phy-ieee802.3-c22";
153		reg = <1>;
154	};
155};
156
157&mmc0 {
158	pinctrl-names = "default";
159	pinctrl-0 = <&mmc0_pins>;
160	vmmc-supply = <&reg_dcdc1>;
161	bus-width = <4>;
162	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
163	status = "okay";
164};
165
166&mmc1 {
167	vmmc-supply = <&reg_dldo1>;
168	vqmmc-supply = <&reg_dldo1>;
169	mmc-pwrseq = <&wifi_pwrseq>;
170	bus-width = <4>;
171	non-removable;
172	status = "okay";
173
174	brcmf: wifi@1 {
175		reg = <1>;
176		compatible = "brcm,bcm4329-fmac";
177		interrupt-parent = <&r_pio>;
178		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>;
179		interrupt-names = "host-wake";
180	};
181};
182
183&mmc2 {
184	pinctrl-names = "default";
185	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
186	vmmc-supply = <&reg_dcdc1>;
187	vqmmc-supply = <&reg_dcdc1>;
188	bus-width = <8>;
189	non-removable;
190	cap-mmc-hw-reset;
191	status = "okay";
192};
193
194&r_cir {
195	clock-frequency = <3000000>;
196	status = "okay";
197};
198
199&r_rsb {
200	status = "okay";
201
202	axp81x: pmic@3a3 {
203		compatible = "x-powers,axp813";
204		reg = <0x3a3>;
205		interrupt-parent = <&r_intc>;
206		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
207		eldoin-supply = <&reg_dcdc1>;
208		fldoin-supply = <&reg_dcdc5>;
209		swin-supply = <&reg_dcdc1>;
210		x-powers,drive-vbus-en;
211	};
212
213	ac100: codec@e89 {
214		compatible = "x-powers,ac100";
215		reg = <0xe89>;
216
217		ac100_codec: codec {
218			compatible = "x-powers,ac100-codec";
219			interrupt-parent = <&r_pio>;
220			interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
221			#clock-cells = <0>;
222			clock-output-names = "4M_adda";
223		};
224
225		ac100_rtc: rtc {
226			compatible = "x-powers,ac100-rtc";
227			interrupt-parent = <&r_intc>;
228			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
229			clocks = <&ac100_codec>;
230			#clock-cells = <1>;
231			clock-output-names = "cko1_rtc",
232					     "cko2_rtc",
233					     "cko3_rtc";
234		};
235	};
236};
237
238#include "axp81x.dtsi"
239
240&ac_power_supply {
241	status = "okay";
242};
243
244&battery_power_supply {
245	status = "okay";
246};
247
248&reg_aldo1 {
249	regulator-always-on;
250	regulator-min-microvolt = <1800000>;
251	regulator-max-microvolt = <1800000>;
252	regulator-name = "vcc-1v8";
253};
254
255&reg_aldo2 {
256	regulator-always-on;
257	regulator-min-microvolt = <1800000>;
258	regulator-max-microvolt = <1800000>;
259	regulator-name = "dram-pll";
260};
261
262&reg_aldo3 {
263	regulator-always-on;
264	regulator-min-microvolt = <3000000>;
265	regulator-max-microvolt = <3000000>;
266	regulator-name = "avcc";
267};
268
269&reg_dcdc1 {
270	/* schematics says 3.1V but FEX file says 3.3V */
271	regulator-always-on;
272	regulator-min-microvolt = <3300000>;
273	regulator-max-microvolt = <3300000>;
274	regulator-name = "vcc-3v3";
275};
276
277&reg_dcdc2 {
278	regulator-always-on;
279	regulator-min-microvolt = <700000>;
280	regulator-max-microvolt = <1100000>;
281	regulator-name = "vdd-cpua";
282};
283
284&reg_dcdc3 {
285	regulator-always-on;
286	regulator-min-microvolt = <700000>;
287	regulator-max-microvolt = <1100000>;
288	regulator-name = "vdd-cpub";
289};
290
291&reg_dcdc4 {
292	regulator-min-microvolt = <700000>;
293	regulator-max-microvolt = <1100000>;
294	regulator-name = "vdd-gpu";
295};
296
297&reg_dcdc5 {
298	regulator-always-on;
299	regulator-min-microvolt = <1200000>;
300	regulator-max-microvolt = <1200000>;
301	regulator-name = "vcc-dram";
302};
303
304&reg_dcdc6 {
305	regulator-always-on;
306	regulator-min-microvolt = <900000>;
307	regulator-max-microvolt = <900000>;
308	regulator-name = "vdd-sys";
309};
310
311&reg_dldo1 {
312	/*
313	 * This powers both the WiFi/BT module's main power, I/O supply,
314	 * and external pull-ups on all the data lines. It should be set
315	 * to the same voltage as the I/O supply (DCDC1 in this case) to
316	 * avoid any leakage or mismatch.
317	 */
318	regulator-min-microvolt = <3300000>;
319	regulator-max-microvolt = <3300000>;
320	regulator-name = "vcc-wifi";
321};
322
323&reg_dldo3 {
324	regulator-always-on;
325	regulator-min-microvolt = <3300000>;
326	regulator-max-microvolt = <3300000>;
327	regulator-name = "vcc-pd";
328};
329
330&reg_drivevbus {
331	regulator-name = "usb0-vbus";
332	status = "okay";
333};
334
335&reg_fldo1 {
336	regulator-min-microvolt = <1080000>;
337	regulator-max-microvolt = <1320000>;
338	regulator-name = "vdd12-hsic";
339};
340
341&reg_fldo2 {
342	/*
343	 * Despite the embedded CPUs core not being used in any way,
344	 * this must remain on or the system will hang.
345	 */
346	regulator-always-on;
347	regulator-min-microvolt = <700000>;
348	regulator-max-microvolt = <1100000>;
349	regulator-name = "vdd-cpus";
350};
351
352&reg_rtc_ldo {
353	regulator-name = "vcc-rtc";
354};
355
356&reg_sw {
357	/*
358	 * The PHY requires 20ms after all voltages
359	 * are applied until core logic is ready and
360	 * 30ms after the reset pin is de-asserted.
361	 * Set a 100ms delay to account for PMIC
362	 * ramp time and board traces.
363	 */
364	regulator-enable-ramp-delay = <100000>;
365	regulator-name = "vcc-ephy";
366};
367
368&uart0 {
369	pinctrl-names = "default";
370	pinctrl-0 = <&uart0_pb_pins>;
371	status = "okay";
372};
373
374&uart1 {
375	pinctrl-names = "default";
376	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
377	uart-has-rtscts;
378	status = "okay";
379
380	bluetooth {
381		compatible = "brcm,bcm43438-bt";
382		clocks = <&ac100_rtc 1>;
383		clock-names = "lpo";
384		vbat-supply = <&reg_dldo1>;
385		vddio-supply = <&reg_dldo1>;
386		device-wakeup-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
387		host-wakeup-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
388		shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
389	};
390};
391
392&usb_otg {
393	dr_mode = "otg";
394	status = "okay";
395};
396
397&usb_power_supply {
398	status = "okay";
399};
400
401&usbphy {
402	usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
403	usb0_vbus_power-supply = <&usb_power_supply>;
404	usb0_vbus-supply = <&reg_drivevbus>;
405	usb1_vbus-supply = <&reg_usb1_vbus>;
406	status = "okay";
407};
408