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) 2023 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 rtc1 = &vrtc;
18 };
19
20 chosen {
21 stdout-path = "serial0:115200n8";
22 };
23
24 memory@0 {
25 device_type = "memory";
26 reg = <0x0 0x0 0x0 0x80000000>; /* 2 GiB or 4 GiB */
27 };
28
29 adc-keys {
30 compatible = "adc-keys";
31 io-channels = <&saradc 2>;
32 io-channel-names = "buttons";
33 keyup-threshold-microvolt = <1710000>;
34
35 button-function {
36 label = "RST";
37 linux,code = <KEY_POWER>;
38 press-threshold-microvolt = <10000>;
39 };
40 };
41
42 emmc_pwrseq: emmc-pwrseq {
43 compatible = "mmc-pwrseq-emmc";
44 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
45 };
46
47 hdmi-connector {
48 compatible = "hdmi-connector";
49 type = "a";
50
51 port {
52 hdmi_connector_in: endpoint {
53 remote-endpoint = <&hdmi_tx_tmds_out>;
54 };
55 };
56 };
57
58 leds {
59 compatible = "gpio-leds";
60
61 led-0 {
62 color = <LED_COLOR_ID_BLUE>;
63 function = LED_FUNCTION_STATUS;
64 gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
65 linux,default-trigger = "heartbeat";
66 };
67
68 led-1 {
69 color = <LED_COLOR_ID_GREEN>;
70 function = LED_FUNCTION_STATUS;
71 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
72 };
73 };
74
75 sdio_pwrseq: sdio-pwrseq {
76 compatible = "mmc-pwrseq-simple";
77 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
78 clocks = <&wifi32k>;
79 clock-names = "ext_clock";
80 };
81
82 wifi32k: wifi32k {
83 compatible = "pwm-clock";
84 #clock-cells = <0>;
85 clock-frequency = <32768>;
86 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
87 };
88
89 dc_in: regulator-dc-in {
90 compatible = "regulator-fixed";
91 regulator-name = "DC_IN";
92 regulator-min-microvolt = <5000000>;
93 regulator-max-microvolt = <5000000>;
94 regulator-always-on;
95 };
96
97 vcc_5v: regulator-vcc-5v {
98 compatible = "regulator-fixed";
99 regulator-name = "VCC_5V";
100 regulator-min-microvolt = <5000000>;
101 regulator-max-microvolt = <5000000>;
102 vin-supply = <&dc_in>;
103
104 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
105 enable-active-high;
106 };
107
108 vcc_3v3: regulator-vcc-3v3 {
109 compatible = "regulator-fixed";
110 regulator-name = "VCC_3V3";
111 regulator-min-microvolt = <3300000>;
112 regulator-max-microvolt = <3300000>;
113 vin-supply = <&vsys_3v3>;
114 regulator-always-on;
115 };
116
117 vcc_1v8: regulator-vcc-1v8 {
118 compatible = "regulator-fixed";
119 regulator-name = "VCC_1V8";
120 regulator-min-microvolt = <1800000>;
121 regulator-max-microvolt = <1800000>;
122 vin-supply = <&vcc_3v3>;
123 regulator-always-on;
124 };
125
126 vddao_1v8: regulator-vddao-1v8 {
127 compatible = "regulator-fixed";
128 regulator-name = "VDDIO_AO1V8";
129 regulator-min-microvolt = <1800000>;
130 regulator-max-microvolt = <1800000>;
131 vin-supply = <&vsys_3v3>;
132 regulator-always-on;
133 };
134
135 vddcpu_a: regulator-vddcpu-a {
136 compatible = "pwm-regulator";
137 regulator-name = "VDDCPU_A";
138 regulator-min-microvolt = <690000>;
139 regulator-max-microvolt = <1050000>;
140 pwm-supply = <&dc_in>;
141 pwms = <&pwm_ab 0 1250 0>;
142 pwm-dutycycle-range = <100 0>;
143 regulator-boot-on;
144 regulator-always-on;
145 };
146
147 vddcpu_b: regulator-vddcpu-b {
148 compatible = "pwm-regulator";
149 regulator-name = "VDDCPU_B";
150 regulator-min-microvolt = <690000>;
151 regulator-max-microvolt = <1050000>;
152 pwm-supply = <&vsys_3v3>;
153 pwms = <&pwm_AO_cd 1 1250 0>;
154 pwm-dutycycle-range = <100 0>;
155 regulator-boot-on;
156 regulator-always-on;
157 };
158
159 vsys_3v3: regulator-vsys-3v3 {
160 compatible = "regulator-fixed";
161 regulator-name = "VSYS_3V3";
162 regulator-min-microvolt = <3300000>;
163 regulator-max-microvolt = <3300000>;
164 vin-supply = <&dc_in>;
165 regulator-always-on;
166 };
167
168 emmc_1v8: regulator-emmc-1v8 {
169 compatible = "regulator-fixed";
170 regulator-name = "EMMC_AO1V8";
171 regulator-min-microvolt = <1800000>;
172 regulator-max-microvolt = <1800000>;
173 vin-supply = <&vcc_3v3>;
174 regulator-always-on;
175 };
176
177 usb_pwr: regulator-usb-pwr {
178 compatible = "regulator-fixed";
179 regulator-name = "USB_PWR";
180 regulator-min-microvolt = <5000000>;
181 regulator-max-microvolt = <5000000>;
182 vin-supply = <&vcc_5v>;
183
184 gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
185 enable-active-high;
186 };
187
188 sound {
189 compatible = "amlogic,axg-sound-card";
190 model = "BPI-M2S";
191 audio-aux-devs = <&tdmout_b>;
192 audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
193 "TDMOUT_B IN 1", "FRDDR_B OUT 1",
194 "TDMOUT_B IN 2", "FRDDR_C OUT 1",
195 "TDM_B Playback", "TDMOUT_B OUT";
196
197 clocks = <&clkc CLKID_MPLL2>,
198 <&clkc CLKID_MPLL0>,
199 <&clkc CLKID_MPLL1>;
200
201 assigned-clocks = <&clkc CLKID_MPLL2>,
202 <&clkc CLKID_MPLL0>,
203 <&clkc CLKID_MPLL1>;
204 assigned-clock-parents = <0>, <0>, <0>;
205 assigned-clock-rates = <294912000>,
206 <270950400>,
207 <393216000>;
208
209 dai-link-0 {
210 sound-dai = <&frddr_a>;
211 };
212
213 dai-link-1 {
214 sound-dai = <&frddr_b>;
215 };
216
217 dai-link-2 {
218 sound-dai = <&frddr_c>;
219 };
220
221 /* 8ch hdmi interface */
222 dai-link-3 {
223 sound-dai = <&tdmif_b>;
224 dai-format = "i2s";
225 dai-tdm-slot-tx-mask-0 = <1 1>;
226 dai-tdm-slot-tx-mask-1 = <1 1>;
227 dai-tdm-slot-tx-mask-2 = <1 1>;
228 dai-tdm-slot-tx-mask-3 = <1 1>;
229 mclk-fs = <256>;
230
231 codec {
232 sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
233 };
234 };
235
236 /* hdmi glue */
237 dai-link-4 {
238 sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
239
240 codec {
241 sound-dai = <&hdmi_tx>;
242 };
243 };
244 };
245 };
246
247 &arb {
248 status = "okay";
249 };
250
251 &clkc_audio {
252 status = "okay";
253 };
254
255 &cecb_AO {
256 pinctrl-0 = <&cec_ao_b_h_pins>;
257 pinctrl-names = "default";
258 status = "okay";
259 hdmi-phandle = <&hdmi_tx>;
260 };
261
262 &cpu0 {
263 cpu-supply = <&vddcpu_b>;
264 operating-points-v2 = <&cpu_opp_table_0>;
265 clocks = <&clkc CLKID_CPU_CLK>;
266 clock-latency = <50000>;
267 };
268
269 &cpu1 {
270 cpu-supply = <&vddcpu_b>;
271 operating-points-v2 = <&cpu_opp_table_0>;
272 clocks = <&clkc CLKID_CPU_CLK>;
273 clock-latency = <50000>;
274 };
275
276 &cpu100 {
277 cpu-supply = <&vddcpu_a>;
278 operating-points-v2 = <&cpub_opp_table_1>;
279 clocks = <&clkc CLKID_CPUB_CLK>;
280 clock-latency = <50000>;
281 };
282
283 &cpu101 {
284 cpu-supply = <&vddcpu_a>;
285 operating-points-v2 = <&cpub_opp_table_1>;
286 clocks = <&clkc CLKID_CPUB_CLK>;
287 clock-latency = <50000>;
288 };
289
290 &cpu102 {
291 cpu-supply = <&vddcpu_a>;
292 operating-points-v2 = <&cpub_opp_table_1>;
293 clocks = <&clkc CLKID_CPUB_CLK>;
294 clock-latency = <50000>;
295 };
296
297 &cpu103 {
298 cpu-supply = <&vddcpu_a>;
299 operating-points-v2 = <&cpub_opp_table_1>;
300 clocks = <&clkc CLKID_CPUB_CLK>;
301 clock-latency = <50000>;
302 };
303
304 ðmac {
305 pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
306 pinctrl-names = "default";
307 status = "okay";
308 phy-mode = "rgmii";
309 phy-handle = <&external_phy>;
310 amlogic,tx-delay-ns = <2>;
311 };
312
313 &ext_mdio {
314 external_phy: ethernet-phy@0 {
315 /* Realtek RTL8211F (0x001cc916) */
316 reg = <0>;
317 max-speed = <1000>;
318
319 reset-assert-us = <10000>;
320 reset-deassert-us = <80000>;
321 reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
322
323 interrupt-parent = <&gpio_intc>;
324 /* MAC_INTR on GPIOZ_14 */
325 interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
326 };
327 };
328
329 &frddr_a {
330 status = "okay";
331 };
332
333 &frddr_b {
334 status = "okay";
335 };
336
337 &frddr_c {
338 status = "okay";
339 };
340
341 &hdmi_tx {
342 status = "okay";
343 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
344 pinctrl-names = "default";
345 hdmi-supply = <&vcc_5v>;
346 };
347
348 &hdmi_tx_tmds_port {
349 hdmi_tx_tmds_out: endpoint {
350 remote-endpoint = <&hdmi_connector_in>;
351 };
352 };
353
354 /* Main i2c bus */
355 &i2c2 {
356 status = "okay";
357 pinctrl-0 = <&i2c2_sda_x_pins>, <&i2c2_sck_x_pins>;
358 pinctrl-names = "default";
359 };
360
361 &pcie {
362 status = "okay";
363 reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
364 };
365
366 &pwm_ab {
367 status = "okay";
368 pinctrl-0 = <&pwm_a_e_pins>;
369 pinctrl-names = "default";
370 clocks = <&xtal>;
371 clock-names = "clkin0";
372 };
373
374 &pwm_ef {
375 status = "okay";
376 pinctrl-0 = <&pwm_e_pins>;
377 pinctrl-names = "default";
378 };
379
380 &pwm_AO_cd {
381 pinctrl-0 = <&pwm_ao_d_e_pins>;
382 pinctrl-names = "default";
383 clocks = <&xtal>;
384 clock-names = "clkin1";
385 status = "okay";
386 };
387
388 &saradc {
389 status = "okay";
390 vref-supply = <&vddao_1v8>;
391 };
392
393 /* SDIO */
394 &sd_emmc_a {
395 /* enable if WiFi/BT board connected */
396 status = "disabled";
397 pinctrl-0 = <&sdio_pins>;
398 pinctrl-1 = <&sdio_clk_gate_pins>;
399 pinctrl-names = "default", "clk-gate";
400 #address-cells = <1>;
401 #size-cells = <0>;
402
403 bus-width = <4>;
404 sd-uhs-sdr104;
405 max-frequency = <50000000>;
406
407 non-removable;
408 disable-wp;
409
410 /* WiFi firmware requires power in suspend */
411 keep-power-in-suspend;
412
413 mmc-pwrseq = <&sdio_pwrseq>;
414
415 vmmc-supply = <&vsys_3v3>;
416 vqmmc-supply = <&vddao_1v8>;
417
418 rtl8822cs: wifi@1 {
419 reg = <1>;
420 };
421 };
422
423 /* SD card */
424 &sd_emmc_b {
425 status = "okay";
426 pinctrl-0 = <&sdcard_c_pins>;
427 pinctrl-1 = <&sdcard_clk_gate_c_pins>;
428 pinctrl-names = "default", "clk-gate";
429
430 bus-width = <4>;
431 cap-sd-highspeed;
432 max-frequency = <50000000>;
433 disable-wp;
434
435 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
436 vmmc-supply = <&vsys_3v3>;
437 vqmmc-supply = <&vsys_3v3>;
438 };
439
440 /* eMMC */
441 &sd_emmc_c {
442 status = "okay";
443 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
444 pinctrl-1 = <&emmc_clk_gate_pins>;
445 pinctrl-names = "default", "clk-gate";
446
447 bus-width = <8>;
448 cap-mmc-highspeed;
449 mmc-ddr-1_8v;
450 mmc-hs200-1_8v;
451 max-frequency = <200000000>;
452 disable-wp;
453
454 mmc-pwrseq = <&emmc_pwrseq>;
455 vmmc-supply = <&vcc_3v3>;
456 vqmmc-supply = <&emmc_1v8>;
457 };
458
459 &tdmif_b {
460 status = "okay";
461 };
462
463 &tdmout_b {
464 status = "okay";
465 };
466
467 &tohdmitx {
468 status = "okay";
469 };
470
471 &uart_A {
472 /* enable if WiFi/BT board connected */
473 status = "disabled";
474 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
475 pinctrl-names = "default";
476 uart-has-rtscts;
477
478 bluetooth {
479 compatible = "realtek,rtl8822cs-bt";
480 enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
481 host-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>;
482 device-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>;
483 };
484 };
485
486 &uart_AO {
487 status = "okay";
488 pinctrl-0 = <&uart_ao_a_pins>;
489 pinctrl-names = "default";
490 };
491
492 &usb2_phy0 {
493 phy-supply = <&dc_in>;
494 };
495
496 &usb2_phy1 {
497 phy-supply = <&usb_pwr>;
498 };
499
500 &usb3_pcie_phy {
501 phy-supply = <&usb_pwr>;
502 };
503
504 &usb {
505 status = "okay";
506 dr_mode = "peripheral";
507 phys = <&usb2_phy0>, <&usb2_phy1>;
508 phy-names = "usb2-phy0", "usb2-phy1";
509 };
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