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 clocks = <&clkc CLKID_MPLL0>,
154 <&clkc CLKID_MPLL1>,
155 <&clkc CLKID_MPLL2>;
156
157 assigned-clocks = <&clkc CLKID_MPLL0>,
158 <&clkc CLKID_MPLL1>,
159 <&clkc CLKID_MPLL2>;
160 assigned-clock-parents = <0>, <0>, <0>;
161 assigned-clock-rates = <294912000>,
162 <270950400>,
163 <393216000>;
164
165 dai-link-0 {
166 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
167 };
168
169 dai-link-1 {
170 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
171 dai-format = "i2s";
172 mclk-fs = <256>;
173
174 codec-0 {
175 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
176 };
177 };
178
179 dai-link-2 {
180 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
181
182 codec-0 {
183 sound-dai = <&hdmi_tx>;
184 };
185 };
186 };
187 };
188
189 &aiu {
190 status = "okay";
191 };
192
193 &cec_AO {
194 status = "okay";
195 pinctrl-0 = <&ao_cec_pins>;
196 pinctrl-names = "default";
197 hdmi-phandle = <&hdmi_tx>;
198 };
199
200 &cpu_cooling_maps {
201 map0 {
202 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
203 };
204
205 map1 {
206 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
207 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
208 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
209 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
210 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
211 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
212 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
213 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
214 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
215 };
216 };
217
218 ðmac {
219 pinctrl-0 = <ð_pins>;
220 pinctrl-names = "default";
221
222 /* Select external PHY by default */
223 phy-handle = <&external_phy>;
224
225 amlogic,tx-delay-ns = <2>;
226
227 /* External PHY is in RGMII */
228 phy-mode = "rgmii";
229
230 status = "okay";
231 };
232
233 &external_mdio {
234 external_phy: ethernet-phy@0 {
235 /* Realtek RTL8211F (0x001cc916) */
236 reg = <0>;
237
238 reset-assert-us = <10000>;
239 reset-deassert-us = <80000>;
240 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
241
242 interrupt-parent = <&gpio_intc>;
243 /* MAC_INTR on GPIOZ_15 */
244 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
245 };
246 };
247
248 &hdmi_tx {
249 status = "okay";
250 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
251 pinctrl-names = "default";
252 hdmi-supply = <&hdmi_5v>;
253 };
254
255 &hdmi_tx_tmds_port {
256 hdmi_tx_tmds_out: endpoint {
257 remote-endpoint = <&hdmi_connector_in>;
258 };
259 };
260
261 &i2c_A {
262 status = "okay";
263 pinctrl-0 = <&i2c_a_pins>;
264 pinctrl-names = "default";
265 };
266
267 &i2c_B {
268 status = "okay";
269 pinctrl-0 = <&i2c_b_pins>;
270 pinctrl-names = "default";
271
272 rtc: rtc@51 {
273 status = "okay";
274 compatible = "haoyu,hym8563";
275 reg = <0x51>;
276 #clock-cells = <0>;
277 clock-output-names = "xin32k";
278 };
279 };
280
281 &ir {
282 status = "okay";
283 pinctrl-0 = <&remote_input_ao_pins>;
284 pinctrl-names = "default";
285 linux,rc-map-name = "rc-khadas";
286 };
287
288 &pwm_AO_ab {
289 status = "okay";
290 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
291 pinctrl-names = "default";
292 clocks = <&clkc CLKID_FCLK_DIV4>;
293 clock-names = "clkin0";
294 };
295
296 &pwm_ef {
297 status = "okay";
298 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
299 pinctrl-names = "default";
300 clocks = <&clkc CLKID_FCLK_DIV4>;
301 clock-names = "clkin0";
302 };
303
304 &sd_emmc_a {
305 status = "okay";
306 pinctrl-0 = <&sdio_pins>;
307 pinctrl-1 = <&sdio_clk_gate_pins>;
308 pinctrl-names = "default", "clk-gate";
309 #address-cells = <1>;
310 #size-cells = <0>;
311
312 bus-width = <4>;
313 cap-sd-highspeed;
314 max-frequency = <100000000>;
315
316 non-removable;
317 disable-wp;
318
319 /* WiFi firmware requires power to be kept while in suspend */
320 keep-power-in-suspend;
321
322 mmc-pwrseq = <&sdio_pwrseq>;
323
324 vmmc-supply = <&vddao_3v3>;
325 vqmmc-supply = <&vddio_boot>;
326
327 brcmf: wifi@1 {
328 reg = <1>;
329 compatible = "brcm,bcm4329-fmac";
330 };
331 };
332
333 /* SD card */
334 &sd_emmc_b {
335 status = "okay";
336 pinctrl-0 = <&sdcard_pins>;
337 pinctrl-1 = <&sdcard_clk_gate_pins>;
338 pinctrl-names = "default", "clk-gate";
339
340 bus-width = <4>;
341 cap-sd-highspeed;
342 max-frequency = <50000000>;
343 disable-wp;
344
345 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
346
347 vmmc-supply = <&vddao_3v3>;
348 vqmmc-supply = <&vddio_boot>;
349 };
350
351 /* eMMC */
352 &sd_emmc_c {
353 status = "okay";
354 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
355 pinctrl-1 = <&emmc_clk_gate_pins>;
356 pinctrl-names = "default", "clk-gate";
357
358 bus-width = <8>;
359 cap-mmc-highspeed;
360 max-frequency = <200000000>;
361 non-removable;
362 disable-wp;
363 mmc-ddr-1_8v;
364 mmc-hs200-1_8v;
365
366 mmc-pwrseq = <&emmc_pwrseq>;
367 vmmc-supply = <&vcc_3v3>;
368 vqmmc-supply = <&vddio_boot>;
369 };
370
371 /*
372 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
373 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
374 */
375 &spifc {
376 status = "disabled";
377 pinctrl-0 = <&nor_pins>;
378 pinctrl-names = "default";
379
380 w25q32: flash@0 {
381 #address-cells = <1>;
382 #size-cells = <1>;
383 compatible = "winbond,w25q16", "jedec,spi-nor";
384 reg = <0>;
385 spi-max-frequency = <104000000>;
386 };
387 };
388
389 /* This one is connected to the Bluetooth module */
390 &uart_A {
391 status = "okay";
392 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
393 pinctrl-names = "default";
394 uart-has-rtscts;
395
396 bluetooth {
397 compatible = "brcm,bcm43438-bt";
398 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
399 max-speed = <2000000>;
400 clocks = <&wifi32k>;
401 clock-names = "lpo";
402 };
403 };
404
405 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
406 &uart_AO {
407 status = "okay";
408 pinctrl-0 = <&uart_ao_a_pins>;
409 pinctrl-names = "default";
410 };
411
412 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
413 &uart_AO_B {
414 status = "okay";
415 pinctrl-0 = <&uart_ao_b_pins>;
416 pinctrl-names = "default";
417 };
418
419 &saradc {
420 status = "okay";
421 vref-supply = <&vddio_ao18>;
422 };
423
424 &usb {
425 status = "okay";
426 dr_mode = "peripheral";
427 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.