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Loic Devulder2058b732018-10-03 12:02:06 +02001// 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
Loic Devulder8973d812018-11-27 17:41:18 +0100212&cpu1 {
213 #cooling-cells = <2>;
214};
215
216&cpu2 {
217 #cooling-cells = <2>;
218};
219
220&cpu3 {
221 #cooling-cells = <2>;
222};
223
Loic Devulder2058b732018-10-03 12:02:06 +0200224&cpu4 {
225 #cooling-cells = <2>;
226};
227
Loic Devulder8973d812018-11-27 17:41:18 +0100228&cpu5 {
229 #cooling-cells = <2>;
230};
231
232&cpu6 {
233 #cooling-cells = <2>;
234};
235
236&cpu7 {
237 #cooling-cells = <2>;
238};
239
Loic Devulder2058b732018-10-03 12:02:06 +0200240&ethmac {
241 pinctrl-0 = <&eth_pins>;
242 pinctrl-names = "default";
243
244 /* Select external PHY by default */
245 phy-handle = <&external_phy>;
246
247 amlogic,tx-delay-ns = <2>;
248
249 /* External PHY reset is shared with internal PHY Led signals */
250 snps,reset-gpio = <&gpio GPIOZ_14 0>;
251 snps,reset-delays-us = <0 10000 1000000>;
252 snps,reset-active-low;
253
254 /* External PHY is in RGMII */
255 phy-mode = "rgmii";
256
257 status = "okay";
258};
259
260&external_mdio {
261 external_phy: ethernet-phy@0 {
262 /* Realtek RTL8211F (0x001cc916) */
263 reg = <0>;
264 interrupt-parent = <&gpio_intc>;
265 /* MAC_INTR on GPIOZ_15 */
266 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
267 };
268};
269
270&hdmi_tx {
271 status = "okay";
272 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
273 pinctrl-names = "default";
Neil Armstrongbce59f92018-11-06 09:30:14 +0100274 hdmi-supply = <&hdmi_5v>;
Loic Devulder2058b732018-10-03 12:02:06 +0200275};
276
277&hdmi_tx_tmds_port {
278 hdmi_tx_tmds_out: endpoint {
279 remote-endpoint = <&hdmi_connector_in>;
280 };
281};
282
283&i2c_A {
284 status = "okay";
285 pinctrl-0 = <&i2c_a_pins>;
286 pinctrl-names = "default";
287};
288
289&i2c_B {
290 status = "okay";
291 pinctrl-0 = <&i2c_b_pins>;
292 pinctrl-names = "default";
293
294 rtc: rtc@51 {
295 /* has to be enabled manually when a battery is connected: */
296 status = "disabled";
297 compatible = "haoyu,hym8563";
298 reg = <0x51>;
299 #clock-cells = <0>;
300 clock-frequency = <32768>;
301 clock-output-names = "xin32k";
302 };
303};
304
305&ir {
306 status = "okay";
307 pinctrl-0 = <&remote_input_ao_pins>;
308 pinctrl-names = "default";
309 linux,rc-map-name = "rc-geekbox";
310};
311
312&pwm_AO_ab {
313 status = "okay";
314 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
315 pinctrl-names = "default";
316 clocks = <&clkc CLKID_FCLK_DIV4>;
317 clock-names = "clkin0";
318};
319
320&pwm_ef {
321 status = "okay";
322 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
323 pinctrl-names = "default";
324 clocks = <&clkc CLKID_FCLK_DIV4>;
325 clock-names = "clkin0";
326};
327
328&sd_emmc_a {
329 status = "okay";
330 pinctrl-0 = <&sdio_pins>;
331 pinctrl-names = "default";
332 #address-cells = <1>;
333 #size-cells = <0>;
334
335 bus-width = <4>;
336 max-frequency = <100000000>;
337
338 non-removable;
339 disable-wp;
340
341 mmc-pwrseq = <&sdio_pwrseq>;
342
343 vmmc-supply = <&vddao_3v3>;
344 vqmmc-supply = <&vddio_boot>;
345
346 brcmf: wifi@1 {
347 reg = <1>;
348 compatible = "brcm,bcm4329-fmac";
349 };
350};
351
352/* SD card */
353&sd_emmc_b {
354 status = "okay";
355 pinctrl-0 = <&sdcard_pins>;
356 pinctrl-names = "default";
357
358 bus-width = <4>;
359 cap-sd-highspeed;
360 max-frequency = <100000000>;
361 disable-wp;
362
363 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
364 cd-inverted;
365
366 vmmc-supply = <&vddao_3v3>;
367 vqmmc-supply = <&vddio_boot>;
368};
369
370/* eMMC */
371&sd_emmc_c {
372 status = "okay";
373 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
374 pinctrl-names = "default";
375
376 bus-width = <8>;
377 cap-sd-highspeed;
378 cap-mmc-highspeed;
379 max-frequency = <200000000>;
380 non-removable;
381 disable-wp;
382 mmc-ddr-1_8v;
383 mmc-hs200-1_8v;
384 mmc-hs400-1_8v;
385
386 mmc-pwrseq = <&emmc_pwrseq>;
387 vmmc-supply = <&vcc_3v3>;
388 vqmmc-supply = <&vddio_boot>;
389};
390
391/*
392 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
393 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
394 */
395&spifc {
396 status = "disabled";
397 pinctrl-0 = <&nor_pins>;
398 pinctrl-names = "default";
399
400 w25q32: spi-flash@0 {
401 #address-cells = <1>;
402 #size-cells = <1>;
403 compatible = "winbond,w25q16", "jedec,spi-nor";
404 reg = <0>;
405 spi-max-frequency = <3000000>;
406 };
407};
408
409/* This one is connected to the Bluetooth module */
410&uart_A {
411 status = "okay";
412 pinctrl-0 = <&uart_a_pins>;
413 pinctrl-names = "default";
414};
415
416/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
417&uart_AO {
418 status = "okay";
419 pinctrl-0 = <&uart_ao_a_pins>;
420 pinctrl-names = "default";
421};
422
423/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
424&uart_AO_B {
425 status = "okay";
426 pinctrl-0 = <&uart_ao_b_pins>;
427 pinctrl-names = "default";
428};
429
430&saradc {
431 status = "okay";
432 vref-supply = <&vddio_ao18>;
433};
434
435&usb0 {
436 status = "okay";
437};