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		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		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 = <&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
180		assigned-clocks = <&clkc CLKID_MPLL2>,
181				  <&clkc CLKID_MPLL0>,
182				  <&clkc CLKID_MPLL1>;
183		assigned-clock-parents = <0>, <0>, <0>;
184		assigned-clock-rates = <294912000>,
185				       <270950400>,
186				       <393216000>;
187		status = "okay";
188
189		dai-link-0 {
190			sound-dai = <&frddr_a>;
191		};
192
193		dai-link-1 {
194			sound-dai = <&frddr_b>;
195		};
196
197		dai-link-2 {
198			sound-dai = <&frddr_c>;
199		};
200
201		/* 8ch hdmi interface */
202		dai-link-3 {
203			sound-dai = <&tdmif_a>;
204			dai-format = "i2s";
205			dai-tdm-slot-tx-mask-0 = <1 1>;
206			dai-tdm-slot-tx-mask-1 = <1 1>;
207			dai-tdm-slot-tx-mask-2 = <1 1>;
208			dai-tdm-slot-tx-mask-3 = <1 1>;
209			mclk-fs = <256>;
210
211			codec {
212				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
213			};
214		};
215
216		/* hdmi glue */
217		dai-link-4 {
218			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
219
220			codec {
221				sound-dai = <&hdmi_tx>;
222			};
223		};
224	};
225
226	wifi32k: wifi32k {
227		compatible = "pwm-clock";
228		#clock-cells = <0>;
229		clock-frequency = <32768>;
230		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
231	};
232};
233
234&arb {
235	status = "okay";
236};
237
238&clkc_audio {
239	status = "okay";
240};
241
242&cec_AO {
243	pinctrl-0 = <&cec_ao_a_h_pins>;
244	pinctrl-names = "default";
245	status = "disabled";
246	hdmi-phandle = <&hdmi_tx>;
247};
248
249&cecb_AO {
250	pinctrl-0 = <&cec_ao_b_h_pins>;
251	pinctrl-names = "default";
252	status = "okay";
253	hdmi-phandle = <&hdmi_tx>;
254};
255
256&cpu_thermal {
257	trips {
258		cpu_active: cpu-active {
259			temperature = <80000>; /* millicelsius */
260			hysteresis = <2000>; /* millicelsius */
261			type = "active";
262		};
263	};
264
265	cooling-maps {
266		map {
267			trip = <&cpu_active>;
268			cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
269		};
270	};
271};
272
273&ext_mdio {
274	external_phy: ethernet-phy@0 {
275		/* Realtek RTL8211F (0x001cc916) */
276		reg = <0>;
277		max-speed = <1000>;
278
279		interrupt-parent = <&gpio_intc>;
280		/* MAC_INTR on GPIOZ_14 */
281		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
282	};
283};
284
285&ethmac {
286	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
287	pinctrl-names = "default";
288	status = "okay";
289	phy-mode = "rgmii";
290	phy-handle = <&external_phy>;
291	amlogic,tx-delay-ns = <2>;
292};
293
294&frddr_a {
295	status = "okay";
296};
297
298&frddr_b {
299	status = "okay";
300};
301
302&frddr_c {
303	status = "okay";
304};
305
306&hdmi_tx {
307	status = "okay";
308	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
309	pinctrl-names = "default";
310	hdmi-supply = <&vcc_5v>;
311};
312
313&hdmi_tx_tmds_port {
314	hdmi_tx_tmds_out: endpoint {
315		remote-endpoint = <&hdmi_connector_in>;
316	};
317};
318
319&i2c_AO {
320	status = "okay";
321	pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
322	pinctrl-names = "default";
323
324	khadas_mcu: system-controller@18 {
325		compatible = "khadas,mcu";
326		reg = <0x18>;
327		#cooling-cells = <2>;
328	};
329
330	gpio_expander: gpio-controller@20 {
331		compatible = "ti,tca6408";
332		reg = <0x20>;
333		vcc-supply = <&vcc_3v3>;
334		gpio-controller;
335		#gpio-cells = <2>;
336	};
337
338	rtc: rtc@51 {
339		compatible = "haoyu,hym8563";
340		reg = <0x51>;
341		#clock-cells = <0>;
342	};
343};
344
345&ir {
346	status = "okay";
347	pinctrl-0 = <&remote_input_ao_pins>;
348	pinctrl-names = "default";
349	linux,rc-map-name = "rc-khadas";
350};
351
352&pcie {
353	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
354};
355
356&pwm_ef {
357	status = "okay";
358	pinctrl-0 = <&pwm_e_pins>;
359	pinctrl-names = "default";
360};
361
362&saradc {
363	status = "okay";
364	vref-supply = <&vddao_1v8>;
365};
366
367/* SDIO */
368&sd_emmc_a {
369	status = "okay";
370	pinctrl-0 = <&sdio_pins>;
371	pinctrl-1 = <&sdio_clk_gate_pins>;
372	pinctrl-names = "default", "clk-gate";
373	#address-cells = <1>;
374	#size-cells = <0>;
375
376	bus-width = <4>;
377	cap-sd-highspeed;
378	max-frequency = <100000000>;
379
380	non-removable;
381	disable-wp;
382
383	/* WiFi firmware requires power to be kept while in suspend */
384	keep-power-in-suspend;
385
386	mmc-pwrseq = <&sdio_pwrseq>;
387
388	vmmc-supply = <&vsys_3v3>;
389	vqmmc-supply = <&vddao_1v8>;
390
391	brcmf: wifi@1 {
392		reg = <1>;
393		compatible = "brcm,bcm4329-fmac";
394	};
395};
396
397/* SD card */
398&sd_emmc_b {
399	status = "okay";
400	pinctrl-0 = <&sdcard_c_pins>;
401	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
402	pinctrl-names = "default", "clk-gate";
403
404	bus-width = <4>;
405	cap-sd-highspeed;
406	max-frequency = <50000000>;
407	disable-wp;
408
409	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
410	vmmc-supply = <&vsys_3v3>;
411	vqmmc-supply = <&vsys_3v3>;
412};
413
414/* eMMC */
415&sd_emmc_c {
416	status = "okay";
417	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
418	pinctrl-1 = <&emmc_clk_gate_pins>;
419	pinctrl-names = "default", "clk-gate";
420
421	bus-width = <8>;
422	cap-mmc-highspeed;
423	mmc-ddr-1_8v;
424	mmc-hs200-1_8v;
425	max-frequency = <200000000>;
426	disable-wp;
427
428	mmc-pwrseq = <&emmc_pwrseq>;
429	vmmc-supply = <&vcc_3v3>;
430	vqmmc-supply = <&emmc_1v8>;
431};
432
433/*
434 * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
435 * and eMMC Data 4 to 7 pins.
436 * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
437 * and change bus-width to 4 then spifc can be enabled.
438 */
439&spifc {
440	status = "disabled";
441	pinctrl-0 = <&nor_pins>;
442	pinctrl-names = "default";
443
444	w25q128: spi-flash@0 {
445		#address-cells = <1>;
446		#size-cells = <1>;
447		compatible = "winbond,w25q128fw", "jedec,spi-nor";
448		reg = <0>;
449		spi-max-frequency = <104000000>;
450	};
451};
452
453&tdmif_a {
454	status = "okay";
455};
456
457&tdmout_a {
458	status = "okay";
459};
460
461&tohdmitx {
462	status = "okay";
463};
464
465&uart_A {
466	status = "okay";
467	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
468	pinctrl-names = "default";
469	uart-has-rtscts;
470
471	bluetooth {
472		compatible = "brcm,bcm43438-bt";
473		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
474		max-speed = <2000000>;
475		clocks = <&wifi32k>;
476		clock-names = "lpo";
477	};
478};
479
480&uart_AO {
481	status = "okay";
482	pinctrl-0 = <&uart_ao_a_pins>;
483	pinctrl-names = "default";
484};
485
486&usb2_phy0 {
487	phy-supply = <&dc_in>;
488};
489
490&usb2_phy1 {
491	phy-supply = <&usb_pwr>;
492};
493
494&usb3_pcie_phy {
495	phy-supply = <&usb_pwr>;
496};
497
498&usb {
499	status = "okay";
500	dr_mode = "peripheral";
501};
502