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 "meson-gxm.dtsi"
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/meson-aiu.h>
13
14 / {
15 compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
16 model = "Khadas VIM2";
17
18 aliases {
19 serial0 = &uart_AO;
20 serial2 = &uart_AO_B;
21 };
22
23 chosen {
24 stdout-path = "serial0:115200n8";
25 };
26
27 memory@0 {
28 device_type = "memory";
29 reg = <0x0 0x0 0x0 0x80000000>;
30 };
31
32 adc-keys {
33 compatible = "adc-keys";
34 io-channels = <&saradc 0>;
35 io-channel-names = "buttons";
36 keyup-threshold-microvolt = <1710000>;
37
38 button-function {
39 label = "Function";
40 linux,code = <KEY_FN>;
41 press-threshold-microvolt = <10000>;
42 };
43 };
44
45 emmc_pwrseq: emmc-pwrseq {
46 compatible = "mmc-pwrseq-emmc";
47 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
48 };
49
50 gpio_fan: gpio-fan {
51 compatible = "gpio-fan";
52 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
53 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
54 /* Dummy RPM values since fan is optional */
55 gpio-fan,speed-map =
56 <0 0>,
57 <1 1>,
58 <2 2>,
59 <3 3>;
60 #cooling-cells = <2>;
61 };
62
63 gpio-keys-polled {
64 compatible = "gpio-keys-polled";
65 poll-interval = <100>;
66
67 power-button {
68 label = "power";
69 linux,code = <KEY_POWER>;
70 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
71 };
72 };
73
74 hdmi-connector {
75 compatible = "hdmi-connector";
76 type = "a";
77
78 port {
79 hdmi_connector_in: endpoint {
80 remote-endpoint = <&hdmi_tx_tmds_out>;
81 };
82 };
83 };
84
85 led-controller {
86 compatible = "pwm-leds";
87
88 led-1 {
89 label = "vim:red:power";
90 pwms = <&pwm_AO_ab 1 7812500 0>;
91 max-brightness = <255>;
92 linux,default-trigger = "default-on";
93 };
94 };
95
96 sdio_pwrseq: sdio-pwrseq {
97 compatible = "mmc-pwrseq-simple";
98 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
99 clocks = <&wifi32k>;
100 clock-names = "ext_clock";
101 };
102
103 hdmi_5v: regulator-hdmi-5v {
104 compatible = "regulator-fixed";
105
106 regulator-name = "HDMI_5V";
107 regulator-min-microvolt = <5000000>;
108 regulator-max-microvolt = <5000000>;
109
110 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
111 enable-active-high;
112 regulator-always-on;
113 };
114
115 vcc_3v3: regulator-vcc-3v3 {
116 compatible = "regulator-fixed";
117 regulator-name = "VCC_3V3";
118 regulator-min-microvolt = <3300000>;
119 regulator-max-microvolt = <3300000>;
120 };
121
122 vddio_ao18: regulator-vddio-ao18 {
123 compatible = "regulator-fixed";
124 regulator-name = "VDDIO_AO18";
125 regulator-min-microvolt = <1800000>;
126 regulator-max-microvolt = <1800000>;
127 };
128
129 vddio_boot: regulator-vddio-boot {
130 compatible = "regulator-fixed";
131 regulator-name = "VDDIO_BOOT";
132 regulator-min-microvolt = <1800000>;
133 regulator-max-microvolt = <1800000>;
134 };
135
136 vddao_3v3: regulator-vddao-3v3 {
137 compatible = "regulator-fixed";
138 regulator-name = "VDDAO_3V3";
139 regulator-min-microvolt = <3300000>;
140 regulator-max-microvolt = <3300000>;
141 };
142
143 wifi32k: wifi32k {
144 compatible = "pwm-clock";
145 #clock-cells = <0>;
146 clock-frequency = <32768>;
147 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
148 };
149
150 sound {
151 compatible = "amlogic,gx-sound-card";
152 model = "KHADAS-VIM2";
153 assigned-clocks = <&clkc CLKID_MPLL0>,
154 <&clkc CLKID_MPLL1>,
155 <&clkc CLKID_MPLL2>;
156 assigned-clock-parents = <0>, <0>, <0>;
157 assigned-clock-rates = <294912000>,
158 <270950400>,
159 <393216000>;
160
161 dai-link-0 {
162 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
163 };
164
165 dai-link-1 {
166 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
167 dai-format = "i2s";
168 mclk-fs = <256>;
169
170 codec-0 {
171 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
172 };
173 };
174
175 dai-link-2 {
176 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
177
178 codec-0 {
179 sound-dai = <&hdmi_tx>;
180 };
181 };
182 };
183 };
184
185 &aiu {
186 status = "okay";
187 };
188
189 &cec_AO {
190 status = "okay";
191 pinctrl-0 = <&ao_cec_pins>;
192 pinctrl-names = "default";
193 hdmi-phandle = <&hdmi_tx>;
194 };
195
196 &cpu_cooling_maps {
197 map0 {
198 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
199 };
200
201 map1 {
202 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
203 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
204 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
205 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
206 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
207 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
208 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
209 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
210 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
211 };
212 };
213
214 ðmac {
215 pinctrl-0 = <ð_pins>;
216 pinctrl-names = "default";
217
218 /* Select external PHY by default */
219 phy-handle = <&external_phy>;
220
221 amlogic,tx-delay-ns = <2>;
222
223 /* External PHY is in RGMII */
224 phy-mode = "rgmii";
225
226 status = "okay";
227 };
228
229 &external_mdio {
230 external_phy: ethernet-phy@0 {
231 /* Realtek RTL8211F (0x001cc916) */
232 reg = <0>;
233
234 reset-assert-us = <10000>;
235 reset-deassert-us = <80000>;
236 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
237
238 interrupt-parent = <&gpio_intc>;
239 /* MAC_INTR on GPIOZ_15 */
240 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
241 };
242 };
243
244 &hdmi_tx {
245 status = "okay";
246 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
247 pinctrl-names = "default";
248 hdmi-supply = <&hdmi_5v>;
249 };
250
251 &hdmi_tx_tmds_port {
252 hdmi_tx_tmds_out: endpoint {
253 remote-endpoint = <&hdmi_connector_in>;
254 };
255 };
256
257 &i2c_A {
258 status = "okay";
259 pinctrl-0 = <&i2c_a_pins>;
260 pinctrl-names = "default";
261 };
262
263 &i2c_B {
264 status = "okay";
265 pinctrl-0 = <&i2c_b_pins>;
266 pinctrl-names = "default";
267
268 rtc: rtc@51 {
269 status = "okay";
270 compatible = "haoyu,hym8563";
271 reg = <0x51>;
272 #clock-cells = <0>;
273 clock-output-names = "xin32k";
274 };
275 };
276
277 &ir {
278 status = "okay";
279 pinctrl-0 = <&remote_input_ao_pins>;
280 pinctrl-names = "default";
281 linux,rc-map-name = "rc-khadas";
282 };
283
284 &pwm_AO_ab {
285 status = "okay";
286 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
287 pinctrl-names = "default";
288 clocks = <&clkc CLKID_FCLK_DIV4>;
289 clock-names = "clkin0";
290 };
291
292 &pwm_ef {
293 status = "okay";
294 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
295 pinctrl-names = "default";
296 clocks = <&clkc CLKID_FCLK_DIV4>;
297 clock-names = "clkin0";
298 };
299
300 &sd_emmc_a {
301 status = "okay";
302 pinctrl-0 = <&sdio_pins>;
303 pinctrl-1 = <&sdio_clk_gate_pins>;
304 pinctrl-names = "default", "clk-gate";
305 #address-cells = <1>;
306 #size-cells = <0>;
307
308 bus-width = <4>;
309 cap-sd-highspeed;
310 max-frequency = <100000000>;
311
312 non-removable;
313 disable-wp;
314
315 /* WiFi firmware requires power to be kept while in suspend */
316 keep-power-in-suspend;
317
318 mmc-pwrseq = <&sdio_pwrseq>;
319
320 vmmc-supply = <&vddao_3v3>;
321 vqmmc-supply = <&vddio_boot>;
322
323 brcmf: wifi@1 {
324 reg = <1>;
325 compatible = "brcm,bcm4329-fmac";
326 };
327 };
328
329 /* SD card */
330 &sd_emmc_b {
331 status = "okay";
332 pinctrl-0 = <&sdcard_pins>;
333 pinctrl-1 = <&sdcard_clk_gate_pins>;
334 pinctrl-names = "default", "clk-gate";
335
336 bus-width = <4>;
337 cap-sd-highspeed;
338 max-frequency = <50000000>;
339 disable-wp;
340
341 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
342
343 vmmc-supply = <&vddao_3v3>;
344 vqmmc-supply = <&vddio_boot>;
345 };
346
347 /* eMMC */
348 &sd_emmc_c {
349 status = "okay";
350 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
351 pinctrl-1 = <&emmc_clk_gate_pins>;
352 pinctrl-names = "default", "clk-gate";
353
354 bus-width = <8>;
355 cap-mmc-highspeed;
356 max-frequency = <200000000>;
357 non-removable;
358 disable-wp;
359 mmc-ddr-1_8v;
360 mmc-hs200-1_8v;
361
362 mmc-pwrseq = <&emmc_pwrseq>;
363 vmmc-supply = <&vcc_3v3>;
364 vqmmc-supply = <&vddio_boot>;
365 };
366
367 /*
368 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
369 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
370 */
371 &spifc {
372 status = "disabled";
373 pinctrl-0 = <&nor_pins>;
374 pinctrl-names = "default";
375
376 w25q32: flash@0 {
377 #address-cells = <1>;
378 #size-cells = <1>;
379 compatible = "winbond,w25q16", "jedec,spi-nor";
380 reg = <0>;
381 spi-max-frequency = <104000000>;
382 };
383 };
384
385 /* This one is connected to the Bluetooth module */
386 &uart_A {
387 status = "okay";
388 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
389 pinctrl-names = "default";
390 uart-has-rtscts;
391
392 bluetooth {
393 compatible = "brcm,bcm43438-bt";
394 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
395 max-speed = <2000000>;
396 clocks = <&wifi32k>;
397 clock-names = "lpo";
398 };
399 };
400
401 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
402 &uart_AO {
403 status = "okay";
404 pinctrl-0 = <&uart_ao_a_pins>;
405 pinctrl-names = "default";
406 };
407
408 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
409 &uart_AO_B {
410 status = "okay";
411 pinctrl-0 = <&uart_ao_b_pins>;
412 pinctrl-names = "default";
413 };
414
415 &saradc {
416 status = "okay";
417 vref-supply = <&vddio_ao18>;
418 };
419
420 &usb {
421 status = "okay";
422 dr_mode = "peripheral";
423 };
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