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	hdmi_5v: regulator-hdmi-5v {
157		compatible = "regulator-fixed";
158
159		regulator-name = "HDMI_5V";
160		regulator-min-microvolt = <5000000>;
161		regulator-max-microvolt = <5000000>;
162
163		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
164		enable-active-high;
165		regulator-always-on;
166	};
167
168	vcc_3v3: regulator-vcc_3v3 {
169		compatible = "regulator-fixed";
170		regulator-name = "VCC_3V3";
171		regulator-min-microvolt = <3300000>;
172		regulator-max-microvolt = <3300000>;
173	};
174
175	vddio_ao18: regulator-vddio_ao18 {
176		compatible = "regulator-fixed";
177		regulator-name = "VDDIO_AO18";
178		regulator-min-microvolt = <1800000>;
179		regulator-max-microvolt = <1800000>;
180	};
181
182	vddio_boot: regulator-vddio_boot {
183		compatible = "regulator-fixed";
184		regulator-name = "VDDIO_BOOT";
185		regulator-min-microvolt = <1800000>;
186		regulator-max-microvolt = <1800000>;
187	};
188
189	vddao_3v3: regulator-vddao_3v3 {
190		compatible = "regulator-fixed";
191		regulator-name = "VDDAO_3V3";
192		regulator-min-microvolt = <3300000>;
193		regulator-max-microvolt = <3300000>;
194	};
195
196	wifi32k: wifi32k {
197		compatible = "pwm-clock";
198		#clock-cells = <0>;
199		clock-frequency = <32768>;
200		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
201	};
202};
203
204&cec_AO {
205	status = "okay";
206	pinctrl-0 = <&ao_cec_pins>;
207	pinctrl-names = "default";
208	hdmi-phandle = <&hdmi_tx>;
209};
210
211&cpu0 {
212	cooling-min-level = <0>;
213	cooling-max-level = <6>;
214	#cooling-cells = <2>;
215};
216
217&cpu4 {
218	cooling-min-level = <0>;
219	cooling-max-level = <4>;
220	#cooling-cells = <2>;
221};
222
223&ethmac {
224	pinctrl-0 = <&eth_pins>;
225	pinctrl-names = "default";
226
227	/* Select external PHY by default */
228	phy-handle = <&external_phy>;
229
230	amlogic,tx-delay-ns = <2>;
231
232	/* External PHY reset is shared with internal PHY Led signals */
233	snps,reset-gpio = <&gpio GPIOZ_14 0>;
234	snps,reset-delays-us = <0 10000 1000000>;
235	snps,reset-active-low;
236
237	/* External PHY is in RGMII */
238	phy-mode = "rgmii";
239
240	status = "okay";
241};
242
243&external_mdio {
244	external_phy: ethernet-phy@0 {
245		/* Realtek RTL8211F (0x001cc916) */
246		reg = <0>;
247		interrupt-parent = <&gpio_intc>;
248		/* MAC_INTR on GPIOZ_15 */
249		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
250	};
251};
252
253&hdmi_tx {
254	status = "okay";
255	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
256	pinctrl-names = "default";
257};
258
259&hdmi_tx_tmds_port {
260	hdmi_tx_tmds_out: endpoint {
261		remote-endpoint = <&hdmi_connector_in>;
262	};
263};
264
265&i2c_A {
266	status = "okay";
267	pinctrl-0 = <&i2c_a_pins>;
268	pinctrl-names = "default";
269};
270
271&i2c_B {
272	status = "okay";
273	pinctrl-0 = <&i2c_b_pins>;
274	pinctrl-names = "default";
275
276	rtc: rtc@51 {
277		/* has to be enabled manually when a battery is connected: */
278		status = "disabled";
279		compatible = "haoyu,hym8563";
280		reg = <0x51>;
281		#clock-cells = <0>;
282		clock-frequency = <32768>;
283		clock-output-names = "xin32k";
284	};
285};
286
287&ir {
288	status = "okay";
289	pinctrl-0 = <&remote_input_ao_pins>;
290	pinctrl-names = "default";
291	linux,rc-map-name = "rc-geekbox";
292};
293
294&pwm_AO_ab {
295	status = "okay";
296	pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
297	pinctrl-names = "default";
298	clocks = <&clkc CLKID_FCLK_DIV4>;
299	clock-names = "clkin0";
300};
301
302&pwm_ef {
303	status = "okay";
304	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
305	pinctrl-names = "default";
306	clocks = <&clkc CLKID_FCLK_DIV4>;
307	clock-names = "clkin0";
308};
309
310&sd_emmc_a {
311	status = "okay";
312	pinctrl-0 = <&sdio_pins>;
313	pinctrl-names = "default";
314	#address-cells = <1>;
315	#size-cells = <0>;
316
317	bus-width = <4>;
318	max-frequency = <100000000>;
319
320	non-removable;
321	disable-wp;
322
323	mmc-pwrseq = <&sdio_pwrseq>;
324
325	vmmc-supply = <&vddao_3v3>;
326	vqmmc-supply = <&vddio_boot>;
327
328	brcmf: wifi@1 {
329		reg = <1>;
330		compatible = "brcm,bcm4329-fmac";
331	};
332};
333
334/* SD card */
335&sd_emmc_b {
336	status = "okay";
337	pinctrl-0 = <&sdcard_pins>;
338	pinctrl-names = "default";
339
340	bus-width = <4>;
341	cap-sd-highspeed;
342	max-frequency = <100000000>;
343	disable-wp;
344
345	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
346	cd-inverted;
347
348	vmmc-supply = <&vddao_3v3>;
349	vqmmc-supply = <&vddio_boot>;
350};
351
352/* eMMC */
353&sd_emmc_c {
354	status = "okay";
355	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
356	pinctrl-names = "default";
357
358	bus-width = <8>;
359	cap-sd-highspeed;
360	cap-mmc-highspeed;
361	max-frequency = <200000000>;
362	non-removable;
363	disable-wp;
364	mmc-ddr-1_8v;
365	mmc-hs200-1_8v;
366	mmc-hs400-1_8v;
367
368	mmc-pwrseq = <&emmc_pwrseq>;
369	vmmc-supply = <&vcc_3v3>;
370	vqmmc-supply = <&vddio_boot>;
371};
372
373/*
374 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
375 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
376 */
377&spifc {
378	status = "disabled";
379	pinctrl-0 = <&nor_pins>;
380	pinctrl-names = "default";
381
382	w25q32: spi-flash@0 {
383		#address-cells = <1>;
384		#size-cells = <1>;
385		compatible = "winbond,w25q16", "jedec,spi-nor";
386		reg = <0>;
387		spi-max-frequency = <3000000>;
388	};
389};
390
391/* This one is connected to the Bluetooth module */
392&uart_A {
393	status = "okay";
394	pinctrl-0 = <&uart_a_pins>;
395	pinctrl-names = "default";
396};
397
398/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
399&uart_AO {
400	status = "okay";
401	pinctrl-0 = <&uart_ao_a_pins>;
402	pinctrl-names = "default";
403};
404
405/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
406&uart_AO_B {
407	status = "okay";
408	pinctrl-0 = <&uart_ao_b_pins>;
409	pinctrl-names = "default";
410};
411
412&saradc {
413	status = "okay";
414	vref-supply = <&vddio_ao18>;
415};
416