1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2019 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
6 */
7
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/gpio/meson-g12a-gpio.h>
11 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
12
13 / {
14 aliases {
15 serial0 = &uart_AO;
16 ethernet0 = ðmac;
17 rtc0 = &rtc;
18 rtc1 = &vrtc;
19 };
20
21 chosen {
22 stdout-path = "serial0:115200n8";
23 };
24
25 memory@0 {
26 device_type = "memory";
27 reg = <0x0 0x0 0x0 0x80000000>;
28 };
29
30 adc-keys {
31 compatible = "adc-keys";
32 io-channels = <&saradc 2>;
33 io-channel-names = "buttons";
34 keyup-threshold-microvolt = <1710000>;
35
36 button-function {
37 label = "Function";
38 linux,code = <KEY_FN>;
39 press-threshold-microvolt = <10000>;
40 };
41 };
42
43 leds {
44 compatible = "gpio-leds";
45
46 led-white {
47 color = <LED_COLOR_ID_WHITE>;
48 function = LED_FUNCTION_STATUS;
49 gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_HIGH>;
50 linux,default-trigger = "heartbeat";
51 };
52
53 led-red {
54 color = <LED_COLOR_ID_RED>;
55 function = LED_FUNCTION_STATUS;
56 gpios = <&gpio_expander 5 GPIO_ACTIVE_HIGH>;
57 };
58 };
59
60 emmc_pwrseq: emmc-pwrseq {
61 compatible = "mmc-pwrseq-emmc";
62 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
63 };
64
65 gpio-keys-polled {
66 compatible = "gpio-keys-polled";
67 poll-interval = <100>;
68
69 power-button {
70 label = "power";
71 linux,code = <KEY_POWER>;
72 gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
73 };
74 };
75
76 sdio_pwrseq: sdio-pwrseq {
77 compatible = "mmc-pwrseq-simple";
78 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
79 clocks = <&wifi32k>;
80 clock-names = "ext_clock";
81 };
82
83 dc_in: regulator-dc-in {
84 compatible = "regulator-fixed";
85 regulator-name = "DC_IN";
86 regulator-min-microvolt = <5000000>;
87 regulator-max-microvolt = <5000000>;
88 regulator-always-on;
89 };
90
91 vcc_5v: regulator-vcc-5v {
92 compatible = "regulator-fixed";
93 regulator-name = "VCC_5V";
94 regulator-min-microvolt = <5000000>;
95 regulator-max-microvolt = <5000000>;
96 vin-supply = <&dc_in>;
97
98 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
99 enable-active-high;
100 };
101
102 vcc_1v8: regulator-vcc-1v8 {
103 compatible = "regulator-fixed";
104 regulator-name = "VCC_1V8";
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <1800000>;
107 vin-supply = <&vcc_3v3>;
108 regulator-always-on;
109 };
110
111 vcc_3v3: regulator-vcc-3v3 {
112 compatible = "regulator-fixed";
113 regulator-name = "VCC_3V3";
114 regulator-min-microvolt = <3300000>;
115 regulator-max-microvolt = <3300000>;
116 vin-supply = <&vsys_3v3>;
117 regulator-always-on;
118 /* FIXME: actually controlled by VDDCPU_B_EN */
119 };
120
121 vddao_1v8: regulator-vddao-1v8 {
122 compatible = "regulator-fixed";
123 regulator-name = "VDDIO_AO1V8";
124 regulator-min-microvolt = <1800000>;
125 regulator-max-microvolt = <1800000>;
126 vin-supply = <&vsys_3v3>;
127 regulator-always-on;
128 };
129
130 emmc_1v8: regulator-emmc-1v8 {
131 compatible = "regulator-fixed";
132 regulator-name = "EMMC_AO1V8";
133 regulator-min-microvolt = <1800000>;
134 regulator-max-microvolt = <1800000>;
135 vin-supply = <&vcc_3v3>;
136 regulator-always-on;
137 };
138
139 vsys_3v3: regulator-vsys-3v3 {
140 compatible = "regulator-fixed";
141 regulator-name = "VSYS_3V3";
142 regulator-min-microvolt = <3300000>;
143 regulator-max-microvolt = <3300000>;
144 vin-supply = <&dc_in>;
145 regulator-always-on;
146 };
147
148 usb_pwr: regulator-usb-pwr {
149 compatible = "regulator-fixed";
150 regulator-name = "USB_PWR";
151 regulator-min-microvolt = <5000000>;
152 regulator-max-microvolt = <5000000>;
153 vin-supply = <&vcc_5v>;
154
155 gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
156 enable-active-high;
157 };
158
159 hdmi-connector {
160 compatible = "hdmi-connector";
161 type = "a";
162
163 port {
164 hdmi_connector_in: endpoint {
165 remote-endpoint = <&hdmi_tx_tmds_out>;
166 };
167 };
168 };
169
170
171 sound {
172 compatible = "amlogic,axg-sound-card";
173 model = "KHADAS-VIM3";
174 audio-aux-devs = <&tdmin_a>, <&tdmout_a>;
175 audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
176 "TDMOUT_A IN 1", "FRDDR_B OUT 0",
177 "TDMOUT_A IN 2", "FRDDR_C OUT 0",
178 "TDM_A Playback", "TDMOUT_A OUT",
179 "TDMIN_A IN 0", "TDM_A Capture",
180 "TDMIN_A IN 3", "TDM_A Loopback",
181 "TODDR_A IN 0", "TDMIN_A OUT",
182 "TODDR_B IN 0", "TDMIN_A OUT",
183 "TODDR_C IN 0", "TDMIN_A OUT";
184
185 assigned-clocks = <&clkc CLKID_MPLL2>,
186 <&clkc CLKID_MPLL0>,
187 <&clkc CLKID_MPLL1>;
188 assigned-clock-parents = <0>, <0>, <0>;
189 assigned-clock-rates = <294912000>,
190 <270950400>,
191 <393216000>;
192
193 dai-link-0 {
194 sound-dai = <&frddr_a>;
195 };
196
197 dai-link-1 {
198 sound-dai = <&frddr_b>;
199 };
200
201 dai-link-2 {
202 sound-dai = <&frddr_c>;
203 };
204
205 dai-link-3 {
206 sound-dai = <&toddr_a>;
207 };
208
209 dai-link-4 {
210 sound-dai = <&toddr_b>;
211 };
212
213 dai-link-5 {
214 sound-dai = <&toddr_c>;
215 };
216
217 /* 8ch hdmi interface */
218 dai-link-6 {
219 sound-dai = <&tdmif_a>;
220 dai-format = "i2s";
221 dai-tdm-slot-tx-mask-0 = <1 1>;
222 dai-tdm-slot-tx-mask-1 = <1 1>;
223 dai-tdm-slot-tx-mask-2 = <1 1>;
224 dai-tdm-slot-tx-mask-3 = <1 1>;
225 mclk-fs = <256>;
226
227 codec {
228 sound-dai = <&tohdmitx TOHDMITX_I2S_IN_A>;
229 };
230 };
231
232 /* hdmi glue */
233 dai-link-7 {
234 sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
235
236 codec {
237 sound-dai = <&hdmi_tx>;
238 };
239 };
240 };
241
242 wifi32k: wifi32k {
243 compatible = "pwm-clock";
244 #clock-cells = <0>;
245 clock-frequency = <32768>;
246 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
247 };
248 };
249
250 &arb {
251 status = "okay";
252 };
253
254 &clkc_audio {
255 status = "okay";
256 };
257
258 &cec_AO {
259 pinctrl-0 = <&cec_ao_a_h_pins>;
260 pinctrl-names = "default";
261 status = "disabled";
262 hdmi-phandle = <&hdmi_tx>;
263 };
264
265 &cecb_AO {
266 pinctrl-0 = <&cec_ao_b_h_pins>;
267 pinctrl-names = "default";
268 status = "okay";
269 hdmi-phandle = <&hdmi_tx>;
270 };
271
272 &cpu_thermal {
273 trips {
274 cpu_active: cpu-active {
275 temperature = <80000>; /* millicelsius */
276 hysteresis = <2000>; /* millicelsius */
277 type = "active";
278 };
279 };
280
281 cooling-maps {
282 map {
283 trip = <&cpu_active>;
284 cooling-device = <&khadas_mcu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
285 };
286 };
287 };
288
289 &ext_mdio {
290 external_phy: ethernet-phy@0 {
291 /* Realtek RTL8211F (0x001cc916) */
292 reg = <0>;
293 max-speed = <1000>;
294
295 interrupt-parent = <&gpio_intc>;
296 /* MAC_INTR on GPIOZ_14 */
297 interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
298 };
299 };
300
301 ðmac {
302 pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
303 pinctrl-names = "default";
304 status = "okay";
305 phy-mode = "rgmii";
306 phy-handle = <&external_phy>;
307 amlogic,tx-delay-ns = <2>;
308 };
309
310 &frddr_a {
311 status = "okay";
312 };
313
314 &frddr_b {
315 status = "okay";
316 };
317
318 &frddr_c {
319 status = "okay";
320 };
321
322 &hdmi_tx {
323 status = "okay";
324 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
325 pinctrl-names = "default";
326 hdmi-supply = <&vcc_5v>;
327 };
328
329 &hdmi_tx_tmds_port {
330 hdmi_tx_tmds_out: endpoint {
331 remote-endpoint = <&hdmi_connector_in>;
332 };
333 };
334
335 &i2c_AO {
336 status = "okay";
337 pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
338 pinctrl-names = "default";
339
340 khadas_mcu: system-controller@18 {
341 compatible = "khadas,mcu";
342 reg = <0x18>;
343 #cooling-cells = <2>;
344 };
345
346 gpio_expander: gpio-controller@20 {
347 compatible = "ti,tca6408";
348 reg = <0x20>;
349 vcc-supply = <&vcc_3v3>;
350 gpio-controller;
351 #gpio-cells = <2>;
352 };
353
354 rtc: rtc@51 {
355 compatible = "haoyu,hym8563";
356 reg = <0x51>;
357 #clock-cells = <0>;
358 };
359 };
360
361 &ir {
362 status = "okay";
363 pinctrl-0 = <&remote_input_ao_pins>;
364 pinctrl-names = "default";
365 linux,rc-map-name = "rc-khadas";
366 };
367
368 &pcie {
369 reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
370 };
371
372 &pwm_ef {
373 status = "okay";
374 pinctrl-0 = <&pwm_e_pins>;
375 pinctrl-names = "default";
376 };
377
378 &saradc {
379 status = "okay";
380 vref-supply = <&vddao_1v8>;
381 };
382
383 /* SDIO */
384 &sd_emmc_a {
385 status = "okay";
386 pinctrl-0 = <&sdio_pins>;
387 pinctrl-1 = <&sdio_clk_gate_pins>;
388 pinctrl-names = "default", "clk-gate";
389 #address-cells = <1>;
390 #size-cells = <0>;
391
392 bus-width = <4>;
393 cap-sd-highspeed;
394 max-frequency = <100000000>;
395
396 non-removable;
397 disable-wp;
398
399 /* WiFi firmware requires power to be kept while in suspend */
400 keep-power-in-suspend;
401
402 mmc-pwrseq = <&sdio_pwrseq>;
403
404 vmmc-supply = <&vsys_3v3>;
405 vqmmc-supply = <&vddao_1v8>;
406
407 brcmf: wifi@1 {
408 reg = <1>;
409 compatible = "brcm,bcm4329-fmac";
410 };
411 };
412
413 /* SD card */
414 &sd_emmc_b {
415 status = "okay";
416 pinctrl-0 = <&sdcard_c_pins>;
417 pinctrl-1 = <&sdcard_clk_gate_c_pins>;
418 pinctrl-names = "default", "clk-gate";
419
420 bus-width = <4>;
421 cap-sd-highspeed;
422 max-frequency = <50000000>;
423 disable-wp;
424
425 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
426 vmmc-supply = <&vsys_3v3>;
427 vqmmc-supply = <&vsys_3v3>;
428 };
429
430 /* eMMC */
431 &sd_emmc_c {
432 status = "okay";
433 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
434 pinctrl-1 = <&emmc_clk_gate_pins>;
435 pinctrl-names = "default", "clk-gate";
436
437 bus-width = <8>;
438 cap-mmc-highspeed;
439 mmc-ddr-1_8v;
440 mmc-hs200-1_8v;
441 max-frequency = <200000000>;
442 disable-wp;
443
444 mmc-pwrseq = <&emmc_pwrseq>;
445 vmmc-supply = <&vcc_3v3>;
446 vqmmc-supply = <&emmc_1v8>;
447 };
448
449 /*
450 * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS
451 * and eMMC Data 4 to 7 pins.
452 * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0,
453 * and change bus-width to 4 then spifc can be enabled.
454 */
455 &spifc {
456 status = "disabled";
457 pinctrl-0 = <&nor_pins>;
458 pinctrl-names = "default";
459
460 w25q128: flash@0 {
461 #address-cells = <1>;
462 #size-cells = <1>;
463 compatible = "winbond,w25q128fw", "jedec,spi-nor";
464 reg = <0>;
465 spi-max-frequency = <104000000>;
466 };
467 };
468
469 &tdmif_a {
470 status = "okay";
471 };
472
473 &tdmin_a {
474 status = "okay";
475 };
476
477 &tdmout_a {
478 status = "okay";
479 };
480
481 &toddr_a {
482 status = "okay";
483 };
484
485 &toddr_b {
486 status = "okay";
487 };
488
489 &toddr_c {
490 status = "okay";
491 };
492
493 &tohdmitx {
494 status = "okay";
495 };
496
497 &uart_A {
498 status = "okay";
499 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
500 pinctrl-names = "default";
501 uart-has-rtscts;
502
503 bluetooth {
504 compatible = "brcm,bcm43438-bt";
505 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
506 max-speed = <2000000>;
507 clocks = <&wifi32k>;
508 clock-names = "lpo";
509 };
510 };
511
512 &uart_AO {
513 status = "okay";
514 pinctrl-0 = <&uart_ao_a_pins>;
515 pinctrl-names = "default";
516 };
517
518 &usb2_phy0 {
519 phy-supply = <&dc_in>;
520 };
521
522 &usb2_phy1 {
523 phy-supply = <&usb_pwr>;
524 };
525
526 &usb3_pcie_phy {
527 phy-supply = <&usb_pwr>;
528 };
529
530 &usb {
531 status = "okay";
532 dr_mode = "peripheral";
533 };
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