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 assigned-clocks = <&clkc CLKID_MPLL2>,
198 <&clkc CLKID_MPLL0>,
199 <&clkc CLKID_MPLL1>;
200 assigned-clock-parents = <0>, <0>, <0>;
201 assigned-clock-rates = <294912000>,
202 <270950400>,
203 <393216000>;
204
205 dai-link-0 {
206 sound-dai = <&frddr_a>;
207 };
208
209 dai-link-1 {
210 sound-dai = <&frddr_b>;
211 };
212
213 dai-link-2 {
214 sound-dai = <&frddr_c>;
215 };
216
217 /* 8ch hdmi interface */
218 dai-link-3 {
219 sound-dai = <&tdmif_b>;
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_B>;
229 };
230 };
231
232 /* hdmi glue */
233 dai-link-4 {
234 sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
235
236 codec {
237 sound-dai = <&hdmi_tx>;
238 };
239 };
240 };
241 };
242
243 &arb {
244 status = "okay";
245 };
246
247 &clkc_audio {
248 status = "okay";
249 };
250
251 &cecb_AO {
252 pinctrl-0 = <&cec_ao_b_h_pins>;
253 pinctrl-names = "default";
254 status = "okay";
255 hdmi-phandle = <&hdmi_tx>;
256 };
257
258 &cpu0 {
259 cpu-supply = <&vddcpu_b>;
260 operating-points-v2 = <&cpu_opp_table_0>;
261 clocks = <&clkc CLKID_CPU_CLK>;
262 clock-latency = <50000>;
263 };
264
265 &cpu1 {
266 cpu-supply = <&vddcpu_b>;
267 operating-points-v2 = <&cpu_opp_table_0>;
268 clocks = <&clkc CLKID_CPU_CLK>;
269 clock-latency = <50000>;
270 };
271
272 &cpu100 {
273 cpu-supply = <&vddcpu_a>;
274 operating-points-v2 = <&cpub_opp_table_1>;
275 clocks = <&clkc CLKID_CPUB_CLK>;
276 clock-latency = <50000>;
277 };
278
279 &cpu101 {
280 cpu-supply = <&vddcpu_a>;
281 operating-points-v2 = <&cpub_opp_table_1>;
282 clocks = <&clkc CLKID_CPUB_CLK>;
283 clock-latency = <50000>;
284 };
285
286 &cpu102 {
287 cpu-supply = <&vddcpu_a>;
288 operating-points-v2 = <&cpub_opp_table_1>;
289 clocks = <&clkc CLKID_CPUB_CLK>;
290 clock-latency = <50000>;
291 };
292
293 &cpu103 {
294 cpu-supply = <&vddcpu_a>;
295 operating-points-v2 = <&cpub_opp_table_1>;
296 clocks = <&clkc CLKID_CPUB_CLK>;
297 clock-latency = <50000>;
298 };
299
300 ðmac {
301 pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
302 pinctrl-names = "default";
303 status = "okay";
304 phy-mode = "rgmii";
305 phy-handle = <&external_phy>;
306 amlogic,tx-delay-ns = <2>;
307 };
308
309 &ext_mdio {
310 external_phy: ethernet-phy@0 {
311 /* Realtek RTL8211F (0x001cc916) */
312 reg = <0>;
313 max-speed = <1000>;
314
315 reset-assert-us = <10000>;
316 reset-deassert-us = <80000>;
317 reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
318
319 interrupt-parent = <&gpio_intc>;
320 /* MAC_INTR on GPIOZ_14 */
321 interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
322 };
323 };
324
325 &frddr_a {
326 status = "okay";
327 };
328
329 &frddr_b {
330 status = "okay";
331 };
332
333 &frddr_c {
334 status = "okay";
335 };
336
337 &hdmi_tx {
338 status = "okay";
339 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
340 pinctrl-names = "default";
341 hdmi-supply = <&vcc_5v>;
342 };
343
344 &hdmi_tx_tmds_port {
345 hdmi_tx_tmds_out: endpoint {
346 remote-endpoint = <&hdmi_connector_in>;
347 };
348 };
349
350 /* Main i2c bus */
351 &i2c2 {
352 status = "okay";
353 pinctrl-0 = <&i2c2_sda_x_pins>, <&i2c2_sck_x_pins>;
354 pinctrl-names = "default";
355 };
356
357 &pcie {
358 status = "okay";
359 reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
360 };
361
362 &pwm_ab {
363 status = "okay";
364 pinctrl-0 = <&pwm_a_e_pins>;
365 pinctrl-names = "default";
366 clocks = <&xtal>;
367 clock-names = "clkin0";
368 };
369
370 &pwm_ef {
371 status = "okay";
372 pinctrl-0 = <&pwm_e_pins>;
373 pinctrl-names = "default";
374 };
375
376 &pwm_AO_cd {
377 pinctrl-0 = <&pwm_ao_d_e_pins>;
378 pinctrl-names = "default";
379 clocks = <&xtal>;
380 clock-names = "clkin1";
381 status = "okay";
382 };
383
384 &saradc {
385 status = "okay";
386 vref-supply = <&vddao_1v8>;
387 };
388
389 /* SDIO */
390 &sd_emmc_a {
391 /* enable if WiFi/BT board connected */
392 status = "disabled";
393 pinctrl-0 = <&sdio_pins>;
394 pinctrl-1 = <&sdio_clk_gate_pins>;
395 pinctrl-names = "default", "clk-gate";
396 #address-cells = <1>;
397 #size-cells = <0>;
398
399 bus-width = <4>;
400 sd-uhs-sdr104;
401 max-frequency = <50000000>;
402
403 non-removable;
404 disable-wp;
405
406 /* WiFi firmware requires power in suspend */
407 keep-power-in-suspend;
408
409 mmc-pwrseq = <&sdio_pwrseq>;
410
411 vmmc-supply = <&vsys_3v3>;
412 vqmmc-supply = <&vddao_1v8>;
413
414 rtl8822cs: wifi@1 {
415 reg = <1>;
416 };
417 };
418
419 /* SD card */
420 &sd_emmc_b {
421 status = "okay";
422 pinctrl-0 = <&sdcard_c_pins>;
423 pinctrl-1 = <&sdcard_clk_gate_c_pins>;
424 pinctrl-names = "default", "clk-gate";
425
426 bus-width = <4>;
427 cap-sd-highspeed;
428 max-frequency = <50000000>;
429 disable-wp;
430
431 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
432 vmmc-supply = <&vsys_3v3>;
433 vqmmc-supply = <&vsys_3v3>;
434 };
435
436 /* eMMC */
437 &sd_emmc_c {
438 status = "okay";
439 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
440 pinctrl-1 = <&emmc_clk_gate_pins>;
441 pinctrl-names = "default", "clk-gate";
442
443 bus-width = <8>;
444 cap-mmc-highspeed;
445 mmc-ddr-1_8v;
446 mmc-hs200-1_8v;
447 max-frequency = <200000000>;
448 disable-wp;
449
450 mmc-pwrseq = <&emmc_pwrseq>;
451 vmmc-supply = <&vcc_3v3>;
452 vqmmc-supply = <&emmc_1v8>;
453 };
454
455 &tdmif_b {
456 status = "okay";
457 };
458
459 &tdmout_b {
460 status = "okay";
461 };
462
463 &tohdmitx {
464 status = "okay";
465 };
466
467 &uart_A {
468 /* enable if WiFi/BT board connected */
469 status = "disabled";
470 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
471 pinctrl-names = "default";
472 uart-has-rtscts;
473
474 bluetooth {
475 compatible = "realtek,rtl8822cs-bt";
476 enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
477 host-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>;
478 device-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>;
479 };
480 };
481
482 &uart_AO {
483 status = "okay";
484 pinctrl-0 = <&uart_ao_a_pins>;
485 pinctrl-names = "default";
486 };
487
488 &usb2_phy0 {
489 phy-supply = <&dc_in>;
490 };
491
492 &usb2_phy1 {
493 phy-supply = <&usb_pwr>;
494 };
495
496 &usb3_pcie_phy {
497 phy-supply = <&usb_pwr>;
498 };
499
500 &usb {
501 status = "okay";
502 dr_mode = "peripheral";
503 phys = <&usb2_phy0>, <&usb2_phy1>;
504 phy-names = "usb2-phy0", "usb2-phy1";
505 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.