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: Tartiflette */
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 = <1800000>;
19
20 button-update {
21 label = "update";
22 linux,code = <KEY_VENDOR>;
23 press-threshold-microvolt = <1300000>;
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-amplifier";
35 sound-name-prefix = "AU2";
36 VCC-supply = <&vcc5v>;
37 enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
38 };
39
40 chosen {
41 stdout-path = "serial0:115200n8";
42 };
43
44 cvbs-connector {
45 compatible = "composite-video-connector";
46 status = "disabled";
47
48 port {
49 cvbs_connector_in: endpoint {
50 remote-endpoint = <&cvbs_vdac_out>;
51 };
52 };
53 };
54
55 emmc_pwrseq: emmc-pwrseq {
56 compatible = "mmc-pwrseq-emmc";
57 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
58 };
59
60 hdmi-connector {
61 compatible = "hdmi-connector";
62 type = "a";
63
64 port {
65 hdmi_connector_in: endpoint {
66 remote-endpoint = <&hdmi_tx_tmds_out>;
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_POWER>;
78 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
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 = <5000000>;
91 regulator-max-microvolt = <5000000>;
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 = <5000000>;
100 regulator-max-microvolt = <5000000>;
101 regulator-always-on;
102 };
103
104 leds {
105 compatible = "gpio-leds";
106
107 led-green {
108 color = <LED_COLOR_ID_GREEN>;
109 function = LED_FUNCTION_DISK_ACTIVITY;
110 gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
111 linux,default-trigger = "disk-activity";
112 };
113
114 led-blue {
115 color = <LED_COLOR_ID_BLUE>;
116 function = LED_FUNCTION_STATUS;
117 gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
118 linux,default-trigger = "heartbeat";
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 = <3300000>;
127 regulator-max-microvolt = <3300000>;
128 vin-supply = <&vddio_ao3v3>;
129
130 gpio = <&gpio GPIODV_4 GPIO_ACTIVE_HIGH>;
131 enable-active-high;
132 };
133
134 vcc5v: regulator-vcc5v {
135 compatible = "regulator-fixed";
136 regulator-name = "VCC5V";
137 regulator-min-microvolt = <5000000>;
138 regulator-max-microvolt = <5000000>;
139 vin-supply = <&ao_5v>;
140
141 gpio = <&gpio GPIOH_3 GPIO_OPEN_DRAIN>;
142 };
143
144 vddio_ao18: regulator-vddio-ao18 {
145 compatible = "regulator-fixed";
146 regulator-name = "VDDIO_AO18";
147 regulator-min-microvolt = <1800000>;
148 regulator-max-microvolt = <1800000>;
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 = <3300000>;
157 regulator-max-microvolt = <3300000>;
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 = <1800000>;
166 regulator-max-microvolt = <1800000>;
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 = <1800000>;
175 regulator-max-microvolt = <3300000>;
176
177 gpios = <&gpio GPIODV_5 GPIO_ACTIVE_HIGH>;
178 gpios-states = <0>;
179
180 states = <3300000 0>,
181 <1800000 1>;
182
183 regulator-settling-time-up-us = <200>;
184 regulator-settling-time-down-us = <50000>;
185 };
186
187 sound {
188 compatible = "amlogic,gx-sound-card";
189 model = "LIBRETECH-PC";
190 audio-aux-devs = <&dio2133>;
191 audio-widgets = "Speaker", "7J4-14 LEFT",
192 "Speaker", "7J4-11 RIGHT";
193 audio-routing = "AU2 INL", "ACODEC LOLN",
194 "AU2 INR", "ACODEC LORN",
195 "7J4-14 LEFT", "AU2 OUTL",
196 "7J4-11 RIGHT", "AU2 OUTR";
197 assigned-clocks = <&clkc CLKID_MPLL0>,
198 <&clkc CLKID_MPLL1>,
199 <&clkc CLKID_MPLL2>;
200 assigned-clock-parents = <0>, <0>, <0>;
201 assigned-clock-rates = <294912000>,
202 <270950400>,
203 <393216000>;
204
205 dai-link-0 {
206 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
207 };
208
209 dai-link-1 {
210 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
211 dai-format = "i2s";
212 mclk-fs = <256>;
213
214 codec-0 {
215 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
216 };
217
218 codec-1 {
219 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
220 };
221 };
222
223 dai-link-2 {
224 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
225
226 codec-0 {
227 sound-dai = <&hdmi_tx>;
228 };
229 };
230
231 dai-link-3 {
232 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
233
234 codec-0 {
235 sound-dai = <&acodec>;
236 };
237 };
238 };
239 };
240
241 &acodec {
242 AVDD-supply = <&vddio_ao18>;
243 status = "okay";
244 };
245
246 &aiu {
247 status = "okay";
248 };
249
250 &cec_AO {
251 pinctrl-0 = <&ao_cec_pins>;
252 pinctrl-names = "default";
253 hdmi-phandle = <&hdmi_tx>;
254 status = "okay";
255 };
256
257 &cvbs_vdac_port {
258 cvbs_vdac_out: endpoint {
259 remote-endpoint = <&cvbs_connector_in>;
260 };
261 };
262
263 ðmac {
264 pinctrl-0 = <ð_pins>, <ð_phy_irq_pins>;
265 pinctrl-names = "default";
266 phy-handle = <&external_phy>;
267 amlogic,tx-delay-ns = <2>;
268 phy-mode = "rgmii";
269 status = "okay";
270 };
271
272 &external_mdio {
273 external_phy: ethernet-phy@0 {
274 reg = <0>;
275 max-speed = <1000>;
276 reset-assert-us = <10000>;
277 reset-deassert-us = <30000>;
278 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
279 interrupt-parent = <&gpio_intc>;
280 interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
281 };
282 };
283
284 &pinctrl_periphs {
285 /*
286 * Make sure the reset pin of the usb HUB is driven high to take
287 * it out of reset.
288 */
289 usb1_rst_pins: usb1_rst_irq {
290 mux {
291 groups = "GPIODV_3";
292 function = "gpio_periphs";
293 bias-disable;
294 output-high;
295 };
296 };
297
298 /* Make sure the phy irq pin is properly configured as input */
299 eth_phy_irq_pins: eth_phy_irq {
300 mux {
301 groups = "GPIOZ_15";
302 function = "gpio_periphs";
303 bias-disable;
304 output-disable;
305 };
306 };
307 };
308
309 &hdmi_tx {
310 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
311 pinctrl-names = "default";
312 hdmi-supply = <&vcc5v>;
313 status = "okay";
314 };
315
316 &hdmi_tx_tmds_port {
317 hdmi_tx_tmds_out: endpoint {
318 remote-endpoint = <&hdmi_connector_in>;
319 };
320 };
321
322 &ir {
323 pinctrl-0 = <&remote_input_ao_pins>;
324 pinctrl-names = "default";
325 status = "okay";
326 };
327
328 &i2c_C {
329 pinctrl-0 = <&i2c_c_dv18_pins>;
330 pinctrl-names = "default";
331 status = "okay";
332
333 rtc: rtc@51 {
334 reg = <0x51>;
335 compatible = "nxp,pcf8563";
336 #clock-cells = <0>;
337 clock-output-names = "rtc_clkout";
338 };
339 };
340
341 &pwm_AO_ab {
342 pinctrl-0 = <&pwm_ao_a_3_pins>;
343 pinctrl-names = "default";
344 clocks = <&clkc CLKID_FCLK_DIV4>;
345 clock-names = "clkin0";
346 status = "okay";
347 };
348
349 &pwm_ab {
350 pinctrl-0 = <&pwm_b_pins>;
351 pinctrl-names = "default";
352 clocks = <&clkc CLKID_FCLK_DIV4>;
353 clock-names = "clkin0";
354 status = "okay";
355 };
356
357 &pwm_ef {
358 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
359 pinctrl-names = "default";
360 clocks = <&clkc CLKID_FCLK_DIV4>;
361 clock-names = "clkin0";
362 status = "okay";
363 };
364
365 &saradc {
366 vref-supply = <&vddio_ao18>;
367 status = "okay";
368 };
369
370 /* SD card */
371 &sd_emmc_b {
372 pinctrl-0 = <&sdcard_pins>;
373 pinctrl-1 = <&sdcard_clk_gate_pins>;
374 pinctrl-names = "default", "clk-gate";
375
376 bus-width = <4>;
377 cap-sd-highspeed;
378 sd-uhs-sdr12;
379 sd-uhs-sdr25;
380 sd-uhs-sdr50;
381 sd-uhs-ddr50;
382 max-frequency = <200000000>;
383 disable-wp;
384
385 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
386
387 vmmc-supply = <&vcc_card>;
388 vqmmc-supply = <&vddio_card>;
389
390 status = "okay";
391 };
392
393 /* eMMC */
394 &sd_emmc_c {
395 pinctrl-0 = <&emmc_pins>;
396 pinctrl-1 = <&emmc_clk_gate_pins>;
397 pinctrl-names = "default", "clk-gate";
398
399 bus-width = <8>;
400 cap-mmc-highspeed;
401 mmc-ddr-1_8v;
402 mmc-hs200-1_8v;
403 max-frequency = <200000000>;
404 disable-wp;
405
406 mmc-pwrseq = <&emmc_pwrseq>;
407 vmmc-supply = <&vddio_ao3v3>;
408 vqmmc-supply = <&vddio_boot>;
409
410 status = "okay";
411 };
412
413 &spifc {
414 pinctrl-0 = <&nor_pins>;
415 pinctrl-names = "default";
416 status = "okay";
417
418 gd25lq128: flash@0 {
419 compatible = "jedec,spi-nor";
420 #address-cells = <1>;
421 #size-cells = <1>;
422 reg = <0>;
423 spi-max-frequency = <12000000>;
424 };
425 };
426
427 &uart_AO {
428 pinctrl-0 = <&uart_ao_a_pins>;
429 pinctrl-names = "default";
430 status = "okay";
431 };
432
433 &usb {
434 status = "okay";
435 dr_mode = "host";
436 };
437
438 &usb2_phy0 {
439 pinctrl-0 = <&usb1_rst_pins>;
440 pinctrl-names = "default";
441 phy-supply = <&vcc5v>;
442 };
443
444 &usb2_phy1 {
445 phy-supply = <&vcc5v>;
446 };
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