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		assigned-clocks = <&clkc CLKID_MPLL2>,
186				  <&clkc CLKID_MPLL0>,
187				  <&clkc CLKID_MPLL1>;
188		assigned-clock-parents = <0>, <0>, <0>;
189		assigned-clock-rates = <294912000>,
190				       <270950400>,
191				       <393216000>;
192		status = "okay";
193
194		dai-link-0 {
195			sound-dai = <&frddr_a>;
196		};
197
198		dai-link-1 {
199			sound-dai = <&frddr_b>;
200		};
201
202		dai-link-2 {
203			sound-dai = <&frddr_c>;
204		};
205
206		dai-link-3 {
207			sound-dai = <&toddr_a>;
208		};
209
210		dai-link-4 {
211			sound-dai = <&toddr_b>;
212		};
213
214		dai-link-5 {
215			sound-dai = <&toddr_c>;
216		};
217
218		/* 8ch hdmi interface */
219		dai-link-6 {
220			sound-dai = <&tdmif_a>;
221			dai-format = "i2s";
222			dai-tdm-slot-tx-mask-0 = <1 1>;
223			dai-tdm-slot-tx-mask-1 = <1 1>;
224			dai-tdm-slot-tx-mask-2 = <1 1>;
225			dai-tdm-slot-tx-mask-3 = <1 1>;
226			mclk-fs = <256>;
227
228			codec {
229				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
230			};
231		};
232
233		/* hdmi glue */
234		dai-link-7 {
235			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
236
237			codec {
238				sound-dai = <&hdmi_tx>;
239			};
240		};
241	};
242
243	wifi32k: wifi32k {
244		compatible = "pwm-clock";
245		#clock-cells = <0>;
246		clock-frequency = <32768>;
247		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
248	};
249};
250
251&arb {
252	status = "okay";
253};
254
255&clkc_audio {
256	status = "okay";
257};
258
259&cec_AO {
260	pinctrl-0 = <&cec_ao_a_h_pins>;
261	pinctrl-names = "default";
262	status = "disabled";
263	hdmi-phandle = <&hdmi_tx>;
264};
265
266&cecb_AO {
267	pinctrl-0 = <&cec_ao_b_h_pins>;
268	pinctrl-names = "default";
269	status = "okay";
270	hdmi-phandle = <&hdmi_tx>;
271};
272
273&cpu_thermal {
274	trips {
275		cpu_active: cpu-active {
276			temperature = <80000>; /* millicelsius */
277			hysteresis = <2000>; /* millicelsius */
278			type = "active";
279		};
280	};
281
282	cooling-maps {
283		map {
284			trip = <&cpu_active>;
285			cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
286		};
287	};
288};
289
290&ext_mdio {
291	external_phy: ethernet-phy@0 {
292		/* Realtek RTL8211F (0x001cc916) */
293		reg = <0>;
294		max-speed = <1000>;
295
296		interrupt-parent = <&gpio_intc>;
297		/* MAC_INTR on GPIOZ_14 */
298		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
299	};
300};
301
302&ethmac {
303	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
304	pinctrl-names = "default";
305	status = "okay";
306	phy-mode = "rgmii";
307	phy-handle = <&external_phy>;
308	amlogic,tx-delay-ns = <2>;
309};
310
311&frddr_a {
312	status = "okay";
313};
314
315&frddr_b {
316	status = "okay";
317};
318
319&frddr_c {
320	status = "okay";
321};
322
323&hdmi_tx {
324	status = "okay";
325	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
326	pinctrl-names = "default";
327	hdmi-supply = <&vcc_5v>;
328};
329
330&hdmi_tx_tmds_port {
331	hdmi_tx_tmds_out: endpoint {
332		remote-endpoint = <&hdmi_connector_in>;
333	};
334};
335
336&i2c_AO {
337	status = "okay";
338	pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
339	pinctrl-names = "default";
340
341	khadas_mcu: system-controller@18 {
342		compatible = "khadas,mcu";
343		reg = <0x18>;
344		#cooling-cells = <2>;
345	};
346
347	gpio_expander: gpio-controller@20 {
348		compatible = "ti,tca6408";
349		reg = <0x20>;
350		vcc-supply = <&vcc_3v3>;
351		gpio-controller;
352		#gpio-cells = <2>;
353	};
354
355	rtc: rtc@51 {
356		compatible = "haoyu,hym8563";
357		reg = <0x51>;
358		#clock-cells = <0>;
359	};
360};
361
362&ir {
363	status = "okay";
364	pinctrl-0 = <&remote_input_ao_pins>;
365	pinctrl-names = "default";
366	linux,rc-map-name = "rc-khadas";
367};
368
369&pcie {
370	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
371};
372
373&pwm_ef {
374	status = "okay";
375	pinctrl-0 = <&pwm_e_pins>;
376	pinctrl-names = "default";
377};
378
379&saradc {
380	status = "okay";
381	vref-supply = <&vddao_1v8>;
382};
383
384/* SDIO */
385&sd_emmc_a {
386	status = "okay";
387	pinctrl-0 = <&sdio_pins>;
388	pinctrl-1 = <&sdio_clk_gate_pins>;
389	pinctrl-names = "default", "clk-gate";
390	#address-cells = <1>;
391	#size-cells = <0>;
392
393	bus-width = <4>;
394	cap-sd-highspeed;
395	max-frequency = <100000000>;
396
397	non-removable;
398	disable-wp;
399
400	/* WiFi firmware requires power to be kept while in suspend */
401	keep-power-in-suspend;
402
403	mmc-pwrseq = <&sdio_pwrseq>;
404
405	vmmc-supply = <&vsys_3v3>;
406	vqmmc-supply = <&vddao_1v8>;
407
408	brcmf: wifi@1 {
409		reg = <1>;
410		compatible = "brcm,bcm4329-fmac";
411	};
412};
413
414/* SD card */
415&sd_emmc_b {
416	status = "okay";
417	pinctrl-0 = <&sdcard_c_pins>;
418	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
419	pinctrl-names = "default", "clk-gate";
420
421	bus-width = <4>;
422	cap-sd-highspeed;
423	max-frequency = <50000000>;
424	disable-wp;
425
426	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
427	vmmc-supply = <&vsys_3v3>;
428	vqmmc-supply = <&vsys_3v3>;
429};
430
431/* eMMC */
432&sd_emmc_c {
433	status = "okay";
434	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
435	pinctrl-1 = <&emmc_clk_gate_pins>;
436	pinctrl-names = "default", "clk-gate";
437
438	bus-width = <8>;
439	cap-mmc-highspeed;
440	mmc-ddr-1_8v;
441	mmc-hs200-1_8v;
442	max-frequency = <200000000>;
443	disable-wp;
444
445	mmc-pwrseq = <&emmc_pwrseq>;
446	vmmc-supply = <&vcc_3v3>;
447	vqmmc-supply = <&emmc_1v8>;
448};
449
450/*
451 * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
452 * and eMMC Data 4 to 7 pins.
453 * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
454 * and change bus-width to 4 then spifc can be enabled.
455 */
456&spifc {
457	status = "disabled";
458	pinctrl-0 = <&nor_pins>;
459	pinctrl-names = "default";
460
461	w25q128: flash@0 {
462		#address-cells = <1>;
463		#size-cells = <1>;
464		compatible = "winbond,w25q128fw", "jedec,spi-nor";
465		reg = <0>;
466		spi-max-frequency = <104000000>;
467	};
468};
469
470&tdmif_a {
471	status = "okay";
472};
473
474&tdmin_a {
475	status = "okay";
476};
477
478&tdmout_a {
479	status = "okay";
480};
481
482&toddr_a {
483	status = "okay";
484};
485
486&toddr_b {
487	status = "okay";
488};
489
490&toddr_c {
491	status = "okay";
492};
493
494&tohdmitx {
495	status = "okay";
496};
497
498&uart_A {
499	status = "okay";
500	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
501	pinctrl-names = "default";
502	uart-has-rtscts;
503
504	bluetooth {
505		compatible = "brcm,bcm43438-bt";
506		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
507		max-speed = <2000000>;
508		clocks = <&wifi32k>;
509		clock-names = "lpo";
510	};
511};
512
513&uart_AO {
514	status = "okay";
515	pinctrl-0 = <&uart_ao_a_pins>;
516	pinctrl-names = "default";
517};
518
519&usb2_phy0 {
520	phy-supply = <&dc_in>;
521};
522
523&usb2_phy1 {
524	phy-supply = <&usb_pwr>;
525};
526
527&usb3_pcie_phy {
528	phy-supply = <&usb_pwr>;
529};
530
531&usb {
532	status = "okay";
533	dr_mode = "peripheral";
534};
535