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