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 = <0 0
56 1 1
57 2 2
58 3 3>;
59 #cooling-cells = <2>;
60 };
61
62 gpio-keys-polled {
63 compatible = "gpio-keys-polled";
64 poll-interval = <100>;
65
66 power-button {
67 label = "power";
68 linux,code = <KEY_POWER>;
69 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
70 };
71 };
72
73 hdmi-connector {
74 compatible = "hdmi-connector";
75 type = "a";
76
77 port {
78 hdmi_connector_in: endpoint {
79 remote-endpoint = <&hdmi_tx_tmds_out>;
80 };
81 };
82 };
83
84 led-controller {
85 compatible = "pwm-leds";
86
87 led-1 {
88 label = "vim:red:power";
89 pwms = <&pwm_AO_ab 1 7812500 0>;
90 max-brightness = <255>;
91 linux,default-trigger = "default-on";
92 };
93 };
94
95 sdio_pwrseq: sdio-pwrseq {
96 compatible = "mmc-pwrseq-simple";
97 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
98 clocks = <&wifi32k>;
99 clock-names = "ext_clock";
100 };
101
102 hdmi_5v: regulator-hdmi-5v {
103 compatible = "regulator-fixed";
104
105 regulator-name = "HDMI_5V";
106 regulator-min-microvolt = <5000000>;
107 regulator-max-microvolt = <5000000>;
108
109 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
110 enable-active-high;
111 regulator-always-on;
112 };
113
114 vcc_3v3: regulator-vcc_3v3 {
115 compatible = "regulator-fixed";
116 regulator-name = "VCC_3V3";
117 regulator-min-microvolt = <3300000>;
118 regulator-max-microvolt = <3300000>;
119 };
120
121 vddio_ao18: regulator-vddio_ao18 {
122 compatible = "regulator-fixed";
123 regulator-name = "VDDIO_AO18";
124 regulator-min-microvolt = <1800000>;
125 regulator-max-microvolt = <1800000>;
126 };
127
128 vddio_boot: regulator-vddio_boot {
129 compatible = "regulator-fixed";
130 regulator-name = "VDDIO_BOOT";
131 regulator-min-microvolt = <1800000>;
132 regulator-max-microvolt = <1800000>;
133 };
134
135 vddao_3v3: regulator-vddao_3v3 {
136 compatible = "regulator-fixed";
137 regulator-name = "VDDAO_3V3";
138 regulator-min-microvolt = <3300000>;
139 regulator-max-microvolt = <3300000>;
140 };
141
142 wifi32k: wifi32k {
143 compatible = "pwm-clock";
144 #clock-cells = <0>;
145 clock-frequency = <32768>;
146 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
147 };
148
149 sound {
150 compatible = "amlogic,gx-sound-card";
151 model = "KHADAS-VIM2";
152 assigned-clocks = <&clkc CLKID_MPLL0>,
153 <&clkc CLKID_MPLL1>,
154 <&clkc CLKID_MPLL2>;
155 assigned-clock-parents = <0>, <0>, <0>;
156 assigned-clock-rates = <294912000>,
157 <270950400>,
158 <393216000>;
159 status = "okay";
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-frequency = <32768>;
274 clock-output-names = "xin32k";
275 };
276 };
277
278 &ir {
279 status = "okay";
280 pinctrl-0 = <&remote_input_ao_pins>;
281 pinctrl-names = "default";
282 linux,rc-map-name = "rc-khadas";
283 };
284
285 &pwm_AO_ab {
286 status = "okay";
287 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
288 pinctrl-names = "default";
289 clocks = <&clkc CLKID_FCLK_DIV4>;
290 clock-names = "clkin0";
291 };
292
293 &pwm_ef {
294 status = "okay";
295 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
296 pinctrl-names = "default";
297 clocks = <&clkc CLKID_FCLK_DIV4>;
298 clock-names = "clkin0";
299 };
300
301 &sd_emmc_a {
302 status = "okay";
303 pinctrl-0 = <&sdio_pins>;
304 pinctrl-1 = <&sdio_clk_gate_pins>;
305 pinctrl-names = "default", "clk-gate";
306 #address-cells = <1>;
307 #size-cells = <0>;
308
309 bus-width = <4>;
310 cap-sd-highspeed;
311 max-frequency = <100000000>;
312
313 non-removable;
314 disable-wp;
315
316 /* WiFi firmware requires power to be kept while in suspend */
317 keep-power-in-suspend;
318
319 mmc-pwrseq = <&sdio_pwrseq>;
320
321 vmmc-supply = <&vddao_3v3>;
322 vqmmc-supply = <&vddio_boot>;
323
324 brcmf: wifi@1 {
325 reg = <1>;
326 compatible = "brcm,bcm4329-fmac";
327 };
328 };
329
330 /* SD card */
331 &sd_emmc_b {
332 status = "okay";
333 pinctrl-0 = <&sdcard_pins>;
334 pinctrl-1 = <&sdcard_clk_gate_pins>;
335 pinctrl-names = "default", "clk-gate";
336
337 bus-width = <4>;
338 cap-sd-highspeed;
339 max-frequency = <50000000>;
340 disable-wp;
341
342 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
343
344 vmmc-supply = <&vddao_3v3>;
345 vqmmc-supply = <&vddio_boot>;
346 };
347
348 /* eMMC */
349 &sd_emmc_c {
350 status = "okay";
351 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
352 pinctrl-1 = <&emmc_clk_gate_pins>;
353 pinctrl-names = "default", "clk-gate";
354
355 bus-width = <8>;
356 cap-mmc-highspeed;
357 max-frequency = <200000000>;
358 non-removable;
359 disable-wp;
360 mmc-ddr-1_8v;
361 mmc-hs200-1_8v;
362
363 mmc-pwrseq = <&emmc_pwrseq>;
364 vmmc-supply = <&vcc_3v3>;
365 vqmmc-supply = <&vddio_boot>;
366 };
367
368 /*
369 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
370 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
371 */
372 &spifc {
373 status = "disabled";
374 pinctrl-0 = <&nor_pins>;
375 pinctrl-names = "default";
376
377 w25q32: flash@0 {
378 #address-cells = <1>;
379 #size-cells = <1>;
380 compatible = "winbond,w25q16", "jedec,spi-nor";
381 reg = <0>;
382 spi-max-frequency = <104000000>;
383 };
384 };
385
386 /* This one is connected to the Bluetooth module */
387 &uart_A {
388 status = "okay";
389 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
390 pinctrl-names = "default";
391 uart-has-rtscts;
392
393 bluetooth {
394 compatible = "brcm,bcm43438-bt";
395 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
396 max-speed = <2000000>;
397 clocks = <&wifi32k>;
398 clock-names = "lpo";
399 };
400 };
401
402 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
403 &uart_AO {
404 status = "okay";
405 pinctrl-0 = <&uart_ao_a_pins>;
406 pinctrl-names = "default";
407 };
408
409 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
410 &uart_AO_B {
411 status = "okay";
412 pinctrl-0 = <&uart_ao_b_pins>;
413 pinctrl-names = "default";
414 };
415
416 &saradc {
417 status = "okay";
418 vref-supply = <&vddio_ao18>;
419 };
420
421 &usb {
422 status = "okay";
423 dr_mode = "peripheral";
424 };
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