blob: 0868da476e41ff1a81aa40be378a13737c2a2c4a [file] [log] [blame]
Loic Devulder0bc93bc2018-10-03 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
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};