1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2019 BayLibre SAS.
4 * Author: Jerome Brunet <jbrunet@baylibre.com>
5 */
6
7 /* Libretech Amlogic GX PC form factor - AKA:
8
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
11 #include <dt-bindings/sound/meson-aiu.h>
12
13 / {
14 adc-keys {
15 compatible = "adc-keys";
16 io-channels = <&saradc 0>;
17 io-channel-names = "buttons";
18 keyup-threshold-microvolt = <1
19
20 button-update {
21 label = "update";
22 linux,code = <KEY_VEND
23 press-threshold-microv
24 };
25 };
26
27 aliases {
28 serial0 = &uart_AO;
29 ethernet0 = ðmac;
30 spi0 = &spifc;
31 };
32
33 dio2133: analog-amplifier {
34 compatible = "simple-audio-amp
35 sound-name-prefix = "AU2";
36 VCC-supply = <&vcc5v>;
37 enable-gpios = <&gpio GPIOH_5
38 };
39
40 chosen {
41 stdout-path = "serial0:115200n
42 };
43
44 cvbs-connector {
45 compatible = "composite-video-
46 status = "disabled";
47
48 port {
49 cvbs_connector_in: end
50 remote-endpoin
51 };
52 };
53 };
54
55 emmc_pwrseq: emmc-pwrseq {
56 compatible = "mmc-pwrseq-emmc"
57 reset-gpios = <&gpio BOOT_9 GP
58 };
59
60 hdmi-connector {
61 compatible = "hdmi-connector";
62 type = "a";
63
64 port {
65 hdmi_connector_in: end
66 remote-endpoin
67 };
68 };
69 };
70
71 gpio-keys-polled {
72 compatible = "gpio-keys-polled
73 poll-interval = <100>;
74
75 power-button {
76 label = "power";
77 linux,code = <KEY_POWE
78 gpios = <&gpio_ao GPIO
79 };
80 };
81
82 memory@0 {
83 device_type = "memory";
84 reg = <0x0 0x0 0x0 0x80000000>
85 };
86
87 ao_5v: regulator-ao-5v {
88 compatible = "regulator-fixed"
89 regulator-name = "AO_5V";
90 regulator-min-microvolt = <500
91 regulator-max-microvolt = <500
92 vin-supply = <&dc_in>;
93 regulator-always-on;
94 };
95
96 dc_in: regulator-dc-in {
97 compatible = "regulator-fixed"
98 regulator-name = "DC_IN";
99 regulator-min-microvolt = <500
100 regulator-max-microvolt = <500
101 regulator-always-on;
102 };
103
104 leds {
105 compatible = "gpio-leds";
106
107 led-green {
108 color = <LED_COLOR_ID_
109 function = LED_FUNCTIO
110 gpios = <&gpio_ao GPIO
111 linux,default-trigger
112 };
113
114 led-blue {
115 color = <LED_COLOR_ID_
116 function = LED_FUNCTIO
117 gpios = <&gpio GPIODV_
118 linux,default-trigger
119 panic-indicator;
120 };
121 };
122
123 vcc_card: regulator-vcc-card {
124 compatible = "regulator-fixed"
125 regulator-name = "VCC_CARD";
126 regulator-min-microvolt = <330
127 regulator-max-microvolt = <330
128 vin-supply = <&vddio_ao3v3>;
129
130 gpio = <&gpio GPIODV_4 GPIO_AC
131 enable-active-high;
132 };
133
134 vcc5v: regulator-vcc5v {
135 compatible = "regulator-fixed"
136 regulator-name = "VCC5V";
137 regulator-min-microvolt = <500
138 regulator-max-microvolt = <500
139 vin-supply = <&ao_5v>;
140
141 gpio = <&gpio GPIOH_3 GPIO_OPE
142 };
143
144 vddio_ao18: regulator-vddio-ao18 {
145 compatible = "regulator-fixed"
146 regulator-name = "VDDIO_AO18";
147 regulator-min-microvolt = <180
148 regulator-max-microvolt = <180
149 vin-supply = <&ao_5v>;
150 regulator-always-on;
151 };
152
153 vddio_ao3v3: regulator-vddio-ao3v3 {
154 compatible = "regulator-fixed"
155 regulator-name = "VDDIO_AO3V3"
156 regulator-min-microvolt = <330
157 regulator-max-microvolt = <330
158 vin-supply = <&ao_5v>;
159 regulator-always-on;
160 };
161
162 vddio_boot: regulator-vddio-boot {
163 compatible = "regulator-fixed"
164 regulator-name = "VDDIO_BOOT";
165 regulator-min-microvolt = <180
166 regulator-max-microvolt = <180
167 vin-supply = <&vddio_ao3v3>;
168 regulator-always-on;
169 };
170
171 vddio_card: regulator-vddio-card {
172 compatible = "regulator-gpio";
173 regulator-name = "VDDIO_CARD";
174 regulator-min-microvolt = <180
175 regulator-max-microvolt = <330
176
177 gpios = <&gpio GPIODV_5 GPIO_A
178 gpios-states = <0>;
179
180 states = <3300000 0>,
181 <1800000 1>;
182
183 regulator-settling-time-up-us
184 regulator-settling-time-down-u
185 };
186
187 sound {
188 compatible = "amlogic,gx-sound
189 model = "LIBRETECH-PC";
190 audio-aux-devs = <&dio2133>;
191 audio-widgets = "Speaker", "7J
192 "Speaker", "7J
193 audio-routing = "AU2 INL", "AC
194 "AU2 INR", "AC
195 "7J4-14 LEFT",
196 "7J4-11 RIGHT"
197 clocks = <&clkc CLKID_MPLL0>,
198 <&clkc CLKID_MPLL1>,
199 <&clkc CLKID_MPLL2>;
200
201 assigned-clocks = <&clkc CLKID
202 <&clkc CLKID
203 <&clkc CLKID
204 assigned-clock-parents = <0>,
205 assigned-clock-rates = <294912
206 <270950
207 <393216
208
209 dai-link-0 {
210 sound-dai = <&aiu AIU_
211 };
212
213 dai-link-1 {
214 sound-dai = <&aiu AIU_
215 dai-format = "i2s";
216 mclk-fs = <256>;
217
218 codec-0 {
219 sound-dai = <&
220 };
221
222 codec-1 {
223 sound-dai = <&
224 };
225 };
226
227 dai-link-2 {
228 sound-dai = <&aiu AIU_
229
230 codec-0 {
231 sound-dai = <&
232 };
233 };
234
235 dai-link-3 {
236 sound-dai = <&aiu AIU_
237
238 codec-0 {
239 sound-dai = <&
240 };
241 };
242 };
243 };
244
245 &acodec {
246 AVDD-supply = <&vddio_ao18>;
247 status = "okay";
248 };
249
250 &aiu {
251 status = "okay";
252 };
253
254 &cec_AO {
255 pinctrl-0 = <&ao_cec_pins>;
256 pinctrl-names = "default";
257 hdmi-phandle = <&hdmi_tx>;
258 status = "okay";
259 };
260
261 &cvbs_vdac_port {
262 cvbs_vdac_out: endpoint {
263 remote-endpoint = <&cvbs_conne
264 };
265 };
266
267 ðmac {
268 pinctrl-0 = <ð_pins>, <ð_phy_irq
269 pinctrl-names = "default";
270 phy-handle = <&external_phy>;
271 amlogic,tx-delay-ns = <2>;
272 phy-mode = "rgmii";
273 status = "okay";
274 };
275
276 &external_mdio {
277 external_phy: ethernet-phy@0 {
278 reg = <0>;
279 max-speed = <1000>;
280 reset-assert-us = <10000>;
281 reset-deassert-us = <30000>;
282 reset-gpios = <&gpio GPIOZ_14
283 interrupt-parent = <&gpio_intc
284 interrupts = <25 IRQ_TYPE_LEVE
285 };
286 };
287
288 &pinctrl_periphs {
289 /*
290 * Make sure the reset pin of the usb
291 * it out of reset.
292 */
293 usb1_rst_pins: usb1_rst_irq {
294 mux {
295 groups = "GPIODV_3";
296 function = "gpio_perip
297 bias-disable;
298 output-high;
299 };
300 };
301
302 /* Make sure the phy irq pin is proper
303 eth_phy_irq_pins: eth_phy_irq {
304 mux {
305 groups = "GPIOZ_15";
306 function = "gpio_perip
307 bias-disable;
308 output-disable;
309 };
310 };
311 };
312
313 &hdmi_tx {
314 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i
315 pinctrl-names = "default";
316 hdmi-supply = <&vcc5v>;
317 status = "okay";
318 };
319
320 &hdmi_tx_tmds_port {
321 hdmi_tx_tmds_out: endpoint {
322 remote-endpoint = <&hdmi_conne
323 };
324 };
325
326 &ir {
327 pinctrl-0 = <&remote_input_ao_pins>;
328 pinctrl-names = "default";
329 status = "okay";
330 };
331
332 &i2c_C {
333 pinctrl-0 = <&i2c_c_dv18_pins>;
334 pinctrl-names = "default";
335 status = "okay";
336
337 rtc: rtc@51 {
338 reg = <0x51>;
339 compatible = "nxp,pcf8563";
340 #clock-cells = <0>;
341 clock-output-names = "rtc_clko
342 };
343 };
344
345 &pwm_AO_ab {
346 pinctrl-0 = <&pwm_ao_a_3_pins>;
347 pinctrl-names = "default";
348 clocks = <&clkc CLKID_FCLK_DIV4>;
349 clock-names = "clkin0";
350 status = "okay";
351 };
352
353 &pwm_ab {
354 pinctrl-0 = <&pwm_b_pins>;
355 pinctrl-names = "default";
356 clocks = <&clkc CLKID_FCLK_DIV4>;
357 clock-names = "clkin0";
358 status = "okay";
359 };
360
361 &pwm_ef {
362 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk
363 pinctrl-names = "default";
364 clocks = <&clkc CLKID_FCLK_DIV4>;
365 clock-names = "clkin0";
366 status = "okay";
367 };
368
369 &saradc {
370 vref-supply = <&vddio_ao18>;
371 status = "okay";
372 };
373
374 /* SD card */
375 &sd_emmc_b {
376 pinctrl-0 = <&sdcard_pins>;
377 pinctrl-1 = <&sdcard_clk_gate_pins>;
378 pinctrl-names = "default", "clk-gate";
379
380 bus-width = <4>;
381 cap-sd-highspeed;
382 sd-uhs-sdr12;
383 sd-uhs-sdr25;
384 sd-uhs-sdr50;
385 sd-uhs-ddr50;
386 max-frequency = <200000000>;
387 disable-wp;
388
389 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_L
390
391 vmmc-supply = <&vcc_card>;
392 vqmmc-supply = <&vddio_card>;
393
394 status = "okay";
395 };
396
397 /* eMMC */
398 &sd_emmc_c {
399 pinctrl-0 = <&emmc_pins>;
400 pinctrl-1 = <&emmc_clk_gate_pins>;
401 pinctrl-names = "default", "clk-gate";
402
403 bus-width = <8>;
404 cap-mmc-highspeed;
405 mmc-ddr-1_8v;
406 mmc-hs200-1_8v;
407 max-frequency = <200000000>;
408 disable-wp;
409
410 mmc-pwrseq = <&emmc_pwrseq>;
411 vmmc-supply = <&vddio_ao3v3>;
412 vqmmc-supply = <&vddio_boot>;
413
414 status = "okay";
415 };
416
417 &spifc {
418 pinctrl-0 = <&nor_pins>;
419 pinctrl-names = "default";
420 status = "okay";
421
422 gd25lq128: flash@0 {
423 compatible = "jedec,spi-nor";
424 #address-cells = <1>;
425 #size-cells = <1>;
426 reg = <0>;
427 spi-max-frequency = <12000000>
428 };
429 };
430
431 &uart_AO {
432 pinctrl-0 = <&uart_ao_a_pins>;
433 pinctrl-names = "default";
434 status = "okay";
435 };
436
437 &usb {
438 status = "okay";
439 dr_mode = "host";
440 };
441
442 &usb2_phy0 {
443 pinctrl-0 = <&usb1_rst_pins>;
444 pinctrl-names = "default";
445 phy-supply = <&vcc5v>;
446 };
447
448 &usb2_phy1 {
449 phy-supply = <&vcc5v>;
450 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.