1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (c) 2019 BayLibre, SAS
4  * Author: Neil Armstrong <narmstrong@baylibre.com>
5  * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
6  */
7 
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/gpio/meson-g12a-gpio.h>
11 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
12 
13 / {
14 	aliases {
15 		serial0 = &uart_AO;
16 		ethernet0 = &ethmac;
17 		rtc0 = &rtc;
18 		rtc1 = &vrtc;
19 	};
20 
21 	chosen {
22 		stdout-path = "serial0:115200n8";
23 	};
24 
25 	memory@0 {
26 		device_type = "memory";
27 		reg = <0x0 0x0 0x0 0x80000000>;
28 	};
29 
30 	adc-keys {
31 		compatible = "adc-keys";
32 		io-channels = <&saradc 2>;
33 		io-channel-names = "buttons";
34 		keyup-threshold-microvolt = <1710000>;
35 
36 		button-function {
37 			label = "Function";
38 			linux,code = <KEY_FN>;
39 			press-threshold-microvolt = <10000>;
40 		};
41 	};
42 
43 	leds {
44 		compatible = "gpio-leds";
45 
46 		led-white {
47 			color = <LED_COLOR_ID_WHITE>;
48 			function = LED_FUNCTION_STATUS;
49 			gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_HIGH>;
50 			linux,default-trigger = "heartbeat";
51 		};
52 
53 		led-red {
54 			color = <LED_COLOR_ID_RED>;
55 			function = LED_FUNCTION_STATUS;
56 			gpios = <&gpio_expander 5 GPIO_ACTIVE_HIGH>;
57 		};
58 	};
59 
60 	emmc_pwrseq: emmc-pwrseq {
61 		compatible = "mmc-pwrseq-emmc";
62 		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
63 	};
64 
65 	gpio-keys-polled {
66 		compatible = "gpio-keys-polled";
67 		poll-interval = <100>;
68 
69 		power-button {
70 			label = "power";
71 			linux,code = <KEY_POWER>;
72 			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
73 		};
74 	};
75 
76 	sdio_pwrseq: sdio-pwrseq {
77 		compatible = "mmc-pwrseq-simple";
78 		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
79 		clocks = <&wifi32k>;
80 		clock-names = "ext_clock";
81 	};
82 
83 	dc_in: regulator-dc-in {
84 		compatible = "regulator-fixed";
85 		regulator-name = "DC_IN";
86 		regulator-min-microvolt = <5000000>;
87 		regulator-max-microvolt = <5000000>;
88 		regulator-always-on;
89 	};
90 
91 	vcc_5v: regulator-vcc-5v {
92 		compatible = "regulator-fixed";
93 		regulator-name = "VCC_5V";
94 		regulator-min-microvolt = <5000000>;
95 		regulator-max-microvolt = <5000000>;
96 		vin-supply = <&dc_in>;
97 
98 		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
99 		enable-active-high;
100 	};
101 
102 	vcc_1v8: regulator-vcc-1v8 {
103 		compatible = "regulator-fixed";
104 		regulator-name = "VCC_1V8";
105 		regulator-min-microvolt = <1800000>;
106 		regulator-max-microvolt = <1800000>;
107 		vin-supply = <&vcc_3v3>;
108 		regulator-always-on;
109 	};
110 
111 	vcc_3v3: regulator-vcc-3v3 {
112 		compatible = "regulator-fixed";
113 		regulator-name = "VCC_3V3";
114 		regulator-min-microvolt = <3300000>;
115 		regulator-max-microvolt = <3300000>;
116 		vin-supply = <&vsys_3v3>;
117 		regulator-always-on;
118 		/* FIXME: actually controlled by VDDCPU_B_EN */
119 	};
120 
121 	vddao_1v8: regulator-vddao-1v8 {
122 		compatible = "regulator-fixed";
123 		regulator-name = "VDDIO_AO1V8";
124 		regulator-min-microvolt = <1800000>;
125 		regulator-max-microvolt = <1800000>;
126 		vin-supply = <&vsys_3v3>;
127 		regulator-always-on;
128 	};
129 
130 	emmc_1v8: regulator-emmc-1v8 {
131 		compatible = "regulator-fixed";
132 		regulator-name = "EMMC_AO1V8";
133 		regulator-min-microvolt = <1800000>;
134 		regulator-max-microvolt = <1800000>;
135 		vin-supply = <&vcc_3v3>;
136 		regulator-always-on;
137 	};
138 
139 	vsys_3v3: regulator-vsys-3v3 {
140 		compatible = "regulator-fixed";
141 		regulator-name = "VSYS_3V3";
142 		regulator-min-microvolt = <3300000>;
143 		regulator-max-microvolt = <3300000>;
144 		vin-supply = <&dc_in>;
145 		regulator-always-on;
146 	};
147 
148 	usb_pwr: regulator-usb-pwr {
149 		compatible = "regulator-fixed";
150 		regulator-name = "USB_PWR";
151 		regulator-min-microvolt = <5000000>;
152 		regulator-max-microvolt = <5000000>;
153 		vin-supply = <&vcc_5v>;
154 
155 		gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
156 		enable-active-high;
157 	};
158 
159 	hdmi-connector {
160 		compatible = "hdmi-connector";
161 		type = "a";
162 
163 		port {
164 			hdmi_connector_in: endpoint {
165 				remote-endpoint = <&hdmi_tx_tmds_out>;
166 			};
167 		};
168 	};
169 
170 
171 	sound {
172 		compatible = "amlogic,axg-sound-card";
173 		model = "KHADAS-VIM3";
174 		audio-aux-devs = <&tdmin_a>, <&tdmout_a>;
175 		audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
176 				"TDMOUT_A IN 1", "FRDDR_B OUT 0",
177 				"TDMOUT_A IN 2", "FRDDR_C OUT 0",
178 				"TDM_A Playback", "TDMOUT_A OUT",
179 				"TDMIN_A IN 0", "TDM_A Capture",
180 				"TDMIN_A IN 3", "TDM_A Loopback",
181 				"TODDR_A IN 0", "TDMIN_A OUT",
182 				"TODDR_B IN 0", "TDMIN_A OUT",
183 				"TODDR_C IN 0", "TDMIN_A OUT";
184 
185 		clocks = <&clkc CLKID_MPLL2>,
186 			 <&clkc CLKID_MPLL0>,
187 			 <&clkc CLKID_MPLL1>;
188 
189 		assigned-clocks = <&clkc CLKID_MPLL2>,
190 				  <&clkc CLKID_MPLL0>,
191 				  <&clkc CLKID_MPLL1>;
192 		assigned-clock-parents = <0>, <0>, <0>;
193 		assigned-clock-rates = <294912000>,
194 				       <270950400>,
195 				       <393216000>;
196 
197 		dai-link-0 {
198 			sound-dai = <&frddr_a>;
199 		};
200 
201 		dai-link-1 {
202 			sound-dai = <&frddr_b>;
203 		};
204 
205 		dai-link-2 {
206 			sound-dai = <&frddr_c>;
207 		};
208 
209 		dai-link-3 {
210 			sound-dai = <&toddr_a>;
211 		};
212 
213 		dai-link-4 {
214 			sound-dai = <&toddr_b>;
215 		};
216 
217 		dai-link-5 {
218 			sound-dai = <&toddr_c>;
219 		};
220 
221 		/* 8ch hdmi interface */
222 		dai-link-6 {
223 			sound-dai = <&tdmif_a>;
224 			dai-format = "i2s";
225 			dai-tdm-slot-tx-mask-0 = <1 1>;
226 			dai-tdm-slot-tx-mask-1 = <1 1>;
227 			dai-tdm-slot-tx-mask-2 = <1 1>;
228 			dai-tdm-slot-tx-mask-3 = <1 1>;
229 			mclk-fs = <256>;
230 
231 			codec {
232 				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
233 			};
234 		};
235 
236 		/* hdmi glue */
237 		dai-link-7 {
238 			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
239 
240 			codec {
241 				sound-dai = <&hdmi_tx>;
242 			};
243 		};
244 	};
245 
246 	wifi32k: wifi32k {
247 		compatible = "pwm-clock";
248 		#clock-cells = <0>;
249 		clock-frequency = <32768>;
250 		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
251 	};
252 };
253 
254 &arb {
255 	status = "okay";
256 };
257 
258 &clkc_audio {
259 	status = "okay";
260 };
261 
262 &cec_AO {
263 	pinctrl-0 = <&cec_ao_a_h_pins>;
264 	pinctrl-names = "default";
265 	status = "disabled";
266 	hdmi-phandle = <&hdmi_tx>;
267 };
268 
269 &cecb_AO {
270 	pinctrl-0 = <&cec_ao_b_h_pins>;
271 	pinctrl-names = "default";
272 	status = "okay";
273 	hdmi-phandle = <&hdmi_tx>;
274 };
275 
276 &cpu_thermal {
277 	trips {
278 		cpu_active: cpu-active {
279 			temperature = <80000>; /* millicelsius */
280 			hysteresis = <2000>; /* millicelsius */
281 			type = "active";
282 		};
283 	};
284 
285 	cooling-maps {
286 		map {
287 			trip = <&cpu_active>;
288 			cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
289 		};
290 	};
291 };
292 
293 &ext_mdio {
294 	external_phy: ethernet-phy@0 {
295 		/* Realtek RTL8211F (0x001cc916) */
296 		reg = <0>;
297 		max-speed = <1000>;
298 
299 		interrupt-parent = <&gpio_intc>;
300 		/* MAC_INTR on GPIOZ_14 */
301 		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
302 	};
303 };
304 
305 &ethmac {
306 	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
307 	pinctrl-names = "default";
308 	status = "okay";
309 	phy-mode = "rgmii";
310 	phy-handle = <&external_phy>;
311 	amlogic,tx-delay-ns = <2>;
312 };
313 
314 &frddr_a {
315 	status = "okay";
316 };
317 
318 &frddr_b {
319 	status = "okay";
320 };
321 
322 &frddr_c {
323 	status = "okay";
324 };
325 
326 &hdmi_tx {
327 	status = "okay";
328 	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
329 	pinctrl-names = "default";
330 	hdmi-supply = <&vcc_5v>;
331 };
332 
333 &hdmi_tx_tmds_port {
334 	hdmi_tx_tmds_out: endpoint {
335 		remote-endpoint = <&hdmi_connector_in>;
336 	};
337 };
338 
339 &i2c_AO {
340 	status = "okay";
341 	pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
342 	pinctrl-names = "default";
343 
344 	khadas_mcu: system-controller@18 {
345 		compatible = "khadas,mcu";
346 		reg = <0x18>;
347 		#cooling-cells = <2>;
348 	};
349 
350 	gpio_expander: gpio-controller@20 {
351 		compatible = "ti,tca6408";
352 		reg = <0x20>;
353 		vcc-supply = <&vcc_3v3>;
354 		gpio-controller;
355 		#gpio-cells = <2>;
356 	};
357 
358 	rtc: rtc@51 {
359 		compatible = "haoyu,hym8563";
360 		reg = <0x51>;
361 		#clock-cells = <0>;
362 	};
363 };
364 
365 &ir {
366 	status = "okay";
367 	pinctrl-0 = <&remote_input_ao_pins>;
368 	pinctrl-names = "default";
369 	linux,rc-map-name = "rc-khadas";
370 };
371 
372 &pcie {
373 	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
374 };
375 
376 &pwm_ef {
377 	status = "okay";
378 	pinctrl-0 = <&pwm_e_pins>;
379 	pinctrl-names = "default";
380 };
381 
382 &saradc {
383 	status = "okay";
384 	vref-supply = <&vddao_1v8>;
385 };
386 
387 /* SDIO */
388 &sd_emmc_a {
389 	status = "okay";
390 	pinctrl-0 = <&sdio_pins>;
391 	pinctrl-1 = <&sdio_clk_gate_pins>;
392 	pinctrl-names = "default", "clk-gate";
393 	#address-cells = <1>;
394 	#size-cells = <0>;
395 
396 	bus-width = <4>;
397 	cap-sd-highspeed;
398 	max-frequency = <100000000>;
399 
400 	non-removable;
401 	disable-wp;
402 
403 	/* WiFi firmware requires power to be kept while in suspend */
404 	keep-power-in-suspend;
405 
406 	mmc-pwrseq = <&sdio_pwrseq>;
407 
408 	vmmc-supply = <&vsys_3v3>;
409 	vqmmc-supply = <&vddao_1v8>;
410 
411 	brcmf: wifi@1 {
412 		reg = <1>;
413 		compatible = "brcm,bcm4329-fmac";
414 	};
415 };
416 
417 /* SD card */
418 &sd_emmc_b {
419 	status = "okay";
420 	pinctrl-0 = <&sdcard_c_pins>;
421 	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
422 	pinctrl-names = "default", "clk-gate";
423 
424 	bus-width = <4>;
425 	cap-sd-highspeed;
426 	max-frequency = <50000000>;
427 	disable-wp;
428 
429 	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
430 	vmmc-supply = <&vsys_3v3>;
431 	vqmmc-supply = <&vsys_3v3>;
432 };
433 
434 /* eMMC */
435 &sd_emmc_c {
436 	status = "okay";
437 	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
438 	pinctrl-1 = <&emmc_clk_gate_pins>;
439 	pinctrl-names = "default", "clk-gate";
440 
441 	bus-width = <8>;
442 	cap-mmc-highspeed;
443 	mmc-ddr-1_8v;
444 	mmc-hs200-1_8v;
445 	max-frequency = <200000000>;
446 	disable-wp;
447 
448 	mmc-pwrseq = <&emmc_pwrseq>;
449 	vmmc-supply = <&vcc_3v3>;
450 	vqmmc-supply = <&emmc_1v8>;
451 };
452 
453 /*
454  * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
455  * and eMMC Data 4 to 7 pins.
456  * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
457  * and change bus-width to 4 then spifc can be enabled.
458  */
459 &spifc {
460 	status = "disabled";
461 	pinctrl-0 = <&nor_pins>;
462 	pinctrl-names = "default";
463 
464 	w25q128: flash@0 {
465 		#address-cells = <1>;
466 		#size-cells = <1>;
467 		compatible = "winbond,w25q128fw", "jedec,spi-nor";
468 		reg = <0>;
469 		spi-max-frequency = <104000000>;
470 	};
471 };
472 
473 &tdmif_a {
474 	status = "okay";
475 };
476 
477 &tdmin_a {
478 	status = "okay";
479 };
480 
481 &tdmout_a {
482 	status = "okay";
483 };
484 
485 &toddr_a {
486 	status = "okay";
487 };
488 
489 &toddr_b {
490 	status = "okay";
491 };
492 
493 &toddr_c {
494 	status = "okay";
495 };
496 
497 &tohdmitx {
498 	status = "okay";
499 };
500 
501 &uart_A {
502 	status = "okay";
503 	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
504 	pinctrl-names = "default";
505 	uart-has-rtscts;
506 
507 	bluetooth {
508 		compatible = "brcm,bcm43438-bt";
509 		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
510 		max-speed = <2000000>;
511 		clocks = <&wifi32k>;
512 		clock-names = "lpo";
513 	};
514 };
515 
516 &uart_AO {
517 	status = "okay";
518 	pinctrl-0 = <&uart_ao_a_pins>;
519 	pinctrl-names = "default";
520 };
521 
522 &usb2_phy0 {
523 	phy-supply = <&dc_in>;
524 };
525 
526 &usb2_phy1 {
527 	phy-supply = <&usb_pwr>;
528 };
529 
530 &usb3_pcie_phy {
531 	phy-supply = <&usb_pwr>;
532 };
533 
534 &usb {
535 	status = "okay";
536 	dr_mode = "peripheral";
537 };
538