1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
4 * Copyright (c) 2017 BayLibre, SAS
5 * Author: Neil Armstrong <narmstrong@baylibre.com>
6 */
7
8/dts-v1/;
9
10#include <dt-bindings/input/input.h>
11#include <dt-bindings/thermal/thermal.h>
12
13#include "meson-gxm.dtsi"
14
15/ {
16	compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
17	model = "Khadas VIM2";
18
19	aliases {
20		serial0 = &uart_AO;
21		serial1 = &uart_A;
22		serial2 = &uart_AO_B;
23	};
24
25	chosen {
26		stdout-path = "serial0:115200n8";
27	};
28
29	memory@0 {
30		device_type = "memory";
31		reg = <0x0 0x0 0x0 0x80000000>;
32	};
33
34	adc-keys {
35		compatible = "adc-keys";
36		io-channels = <&saradc 0>;
37		io-channel-names = "buttons";
38		keyup-threshold-microvolt = <1710000>;
39
40		button-function {
41			label = "Function";
42			linux,code = <KEY_FN>;
43			press-threshold-microvolt = <10000>;
44		};
45	};
46
47	emmc_pwrseq: emmc-pwrseq {
48		compatible = "mmc-pwrseq-emmc";
49		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
50	};
51
52	gpio_fan: gpio-fan {
53		compatible = "gpio-fan";
54		gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
55			 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
56		/* Dummy RPM values since fan is optional */
57		gpio-fan,speed-map = <0 0
58				      1 1
59				      2 2
60				      3 3>;
61		#cooling-cells = <2>;
62	};
63
64	gpio-keys-polled {
65		compatible = "gpio-keys-polled";
66		#address-cells = <1>;
67		#size-cells = <0>;
68		poll-interval = <100>;
69
70		button@0 {
71			label = "power";
72			linux,code = <KEY_POWER>;
73			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
74		};
75	};
76
77	hdmi-connector {
78		compatible = "hdmi-connector";
79		type = "a";
80
81		port {
82			hdmi_connector_in: endpoint {
83				remote-endpoint = <&hdmi_tx_tmds_out>;
84			};
85		};
86	};
87
88	pwmleds {
89		compatible = "pwm-leds";
90
91		power {
92			label = "vim:red:power";
93			pwms = <&pwm_AO_ab 1 7812500 0>;
94			max-brightness = <255>;
95			linux,default-trigger = "default-on";
96		};
97	};
98
99	sdio_pwrseq: sdio-pwrseq {
100		compatible = "mmc-pwrseq-simple";
101		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
102		clocks = <&wifi32k>;
103		clock-names = "ext_clock";
104	};
105
106	thermal-zones {
107		cpu-thermal {
108			polling-delay-passive = <250>; /* milliseconds */
109			polling-delay = <1000>; /* milliseconds */
110
111			thermal-sensors = <&scpi_sensors 0>;
112
113			trips {
114				cpu_alert0: cpu-alert0 {
115					temperature = <70000>; /* millicelsius */
116					hysteresis = <2000>; /* millicelsius */
117					type = "active";
118				};
119
120				cpu_alert1: cpu-alert1 {
121					temperature = <80000>; /* millicelsius */
122					hysteresis = <2000>; /* millicelsius */
123					type = "passive";
124				};
125			};
126
127			cooling-maps {
128				map0 {
129					trip = <&cpu_alert0>;
130					cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
131				};
132
133				map1 {
134					trip = <&cpu_alert1>;
135					cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>;
136				};
137
138				map2 {
139					trip = <&cpu_alert1>;
140					cooling-device =
141						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
142				};
143
144				map3 {
145					trip = <&cpu_alert1>;
146					cooling-device =
147						<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
148				};
149			};
150		};
151	};
152
153	hdmi_5v: regulator-hdmi-5v {
154		compatible = "regulator-fixed";
155
156		regulator-name = "HDMI_5V";
157		regulator-min-microvolt = <5000000>;
158		regulator-max-microvolt = <5000000>;
159
160		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
161		enable-active-high;
162		regulator-always-on;
163	};
164
165	vcc_3v3: regulator-vcc_3v3 {
166		compatible = "regulator-fixed";
167		regulator-name = "VCC_3V3";
168		regulator-min-microvolt = <3300000>;
169		regulator-max-microvolt = <3300000>;
170	};
171
172	vddio_ao18: regulator-vddio_ao18 {
173		compatible = "regulator-fixed";
174		regulator-name = "VDDIO_AO18";
175		regulator-min-microvolt = <1800000>;
176		regulator-max-microvolt = <1800000>;
177	};
178
179	vddio_boot: regulator-vddio_boot {
180		compatible = "regulator-fixed";
181		regulator-name = "VDDIO_BOOT";
182		regulator-min-microvolt = <1800000>;
183		regulator-max-microvolt = <1800000>;
184	};
185
186	vddao_3v3: regulator-vddao_3v3 {
187		compatible = "regulator-fixed";
188		regulator-name = "VDDAO_3V3";
189		regulator-min-microvolt = <3300000>;
190		regulator-max-microvolt = <3300000>;
191	};
192
193	wifi32k: wifi32k {
194		compatible = "pwm-clock";
195		#clock-cells = <0>;
196		clock-frequency = <32768>;
197		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
198	};
199};
200
201&cec_AO {
202	status = "okay";
203	pinctrl-0 = <&ao_cec_pins>;
204	pinctrl-names = "default";
205	hdmi-phandle = <&hdmi_tx>;
206};
207
208&cpu0 {
209	#cooling-cells = <2>;
210};
211
212&cpu4 {
213	#cooling-cells = <2>;
214};
215
216&ethmac {
217	pinctrl-0 = <&eth_pins>;
218	pinctrl-names = "default";
219
220	/* Select external PHY by default */
221	phy-handle = <&external_phy>;
222
223	amlogic,tx-delay-ns = <2>;
224
225	/* External PHY reset is shared with internal PHY Led signals */
226	snps,reset-gpio = <&gpio GPIOZ_14 0>;
227	snps,reset-delays-us = <0 10000 1000000>;
228	snps,reset-active-low;
229
230	/* External PHY is in RGMII */
231	phy-mode = "rgmii";
232
233	status = "okay";
234};
235
236&external_mdio {
237	external_phy: ethernet-phy@0 {
238		/* Realtek RTL8211F (0x001cc916) */
239		reg = <0>;
240		interrupt-parent = <&gpio_intc>;
241		/* MAC_INTR on GPIOZ_15 */
242		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
243	};
244};
245
246&hdmi_tx {
247	status = "okay";
248	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
249	pinctrl-names = "default";
250};
251
252&hdmi_tx_tmds_port {
253	hdmi_tx_tmds_out: endpoint {
254		remote-endpoint = <&hdmi_connector_in>;
255	};
256};
257
258&i2c_A {
259	status = "okay";
260	pinctrl-0 = <&i2c_a_pins>;
261	pinctrl-names = "default";
262};
263
264&i2c_B {
265	status = "okay";
266	pinctrl-0 = <&i2c_b_pins>;
267	pinctrl-names = "default";
268
269	rtc: rtc@51 {
270		/* has to be enabled manually when a battery is connected: */
271		status = "disabled";
272		compatible = "haoyu,hym8563";
273		reg = <0x51>;
274		#clock-cells = <0>;
275		clock-frequency = <32768>;
276		clock-output-names = "xin32k";
277	};
278};
279
280&ir {
281	status = "okay";
282	pinctrl-0 = <&remote_input_ao_pins>;
283	pinctrl-names = "default";
284	linux,rc-map-name = "rc-geekbox";
285};
286
287&pwm_AO_ab {
288	status = "okay";
289	pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
290	pinctrl-names = "default";
291	clocks = <&clkc CLKID_FCLK_DIV4>;
292	clock-names = "clkin0";
293};
294
295&pwm_ef {
296	status = "okay";
297	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
298	pinctrl-names = "default";
299	clocks = <&clkc CLKID_FCLK_DIV4>;
300	clock-names = "clkin0";
301};
302
303&sd_emmc_a {
304	status = "okay";
305	pinctrl-0 = <&sdio_pins>;
306	pinctrl-names = "default";
307	#address-cells = <1>;
308	#size-cells = <0>;
309
310	bus-width = <4>;
311	max-frequency = <100000000>;
312
313	non-removable;
314	disable-wp;
315
316	mmc-pwrseq = <&sdio_pwrseq>;
317
318	vmmc-supply = <&vddao_3v3>;
319	vqmmc-supply = <&vddio_boot>;
320
321	brcmf: wifi@1 {
322		reg = <1>;
323		compatible = "brcm,bcm4329-fmac";
324	};
325};
326
327/* SD card */
328&sd_emmc_b {
329	status = "okay";
330	pinctrl-0 = <&sdcard_pins>;
331	pinctrl-names = "default";
332
333	bus-width = <4>;
334	cap-sd-highspeed;
335	max-frequency = <100000000>;
336	disable-wp;
337
338	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
339	cd-inverted;
340
341	vmmc-supply = <&vddao_3v3>;
342	vqmmc-supply = <&vddio_boot>;
343};
344
345/* eMMC */
346&sd_emmc_c {
347	status = "okay";
348	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
349	pinctrl-names = "default";
350
351	bus-width = <8>;
352	cap-sd-highspeed;
353	cap-mmc-highspeed;
354	max-frequency = <200000000>;
355	non-removable;
356	disable-wp;
357	mmc-ddr-1_8v;
358	mmc-hs200-1_8v;
359	mmc-hs400-1_8v;
360
361	mmc-pwrseq = <&emmc_pwrseq>;
362	vmmc-supply = <&vcc_3v3>;
363	vqmmc-supply = <&vddio_boot>;
364};
365
366/*
367 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
368 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
369 */
370&spifc {
371	status = "disabled";
372	pinctrl-0 = <&nor_pins>;
373	pinctrl-names = "default";
374
375	w25q32: spi-flash@0 {
376		#address-cells = <1>;
377		#size-cells = <1>;
378		compatible = "winbond,w25q16", "jedec,spi-nor";
379		reg = <0>;
380		spi-max-frequency = <3000000>;
381	};
382};
383
384/* This one is connected to the Bluetooth module */
385&uart_A {
386	status = "okay";
387	pinctrl-0 = <&uart_a_pins>;
388	pinctrl-names = "default";
389};
390
391/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
392&uart_AO {
393	status = "okay";
394	pinctrl-0 = <&uart_ao_a_pins>;
395	pinctrl-names = "default";
396};
397
398/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
399&uart_AO_B {
400	status = "okay";
401	pinctrl-0 = <&uart_ao_b_pins>;
402	pinctrl-names = "default";
403};
404
405&saradc {
406	status = "okay";
407	vref-supply = <&vddio_ao18>;
408};
409
410&usb0 {
411	status = "okay";
412};
413