1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2017 BayLibre, SAS.
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Author: Jerome Brunet <jbrunet@baylibre.com>
6 */
7
8 /dts-v1/;
9
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/sound/meson-aiu.h>
12
13 #include "meson-gxl-s905x.dtsi"
14
15 / {
16 compatible = "libretech,aml-s905x-cc", "amlogic,s905x",
17 "amlogic,meson-gxl";
18 model = "Libre Computer AML-S905X-CC";
19
20 aliases {
21 serial0 = &uart_AO;
22 ethernet0 = ðmac;
23 };
24
25 dio2133: analog-amplifier {
26 compatible = "simple-audio-amplifier";
27 sound-name-prefix = "AU2";
28 VCC-supply = <&hdmi_5v>;
29 enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
30 };
31
32 chosen {
33 stdout-path = "serial0:115200n8";
34 };
35
36 cvbs-connector {
37 compatible = "composite-video-connector";
38
39 port {
40 cvbs_connector_in: endpoint {
41 remote-endpoint = <&cvbs_vdac_out>;
42 };
43 };
44 };
45
46 emmc_pwrseq: emmc-pwrseq {
47 compatible = "mmc-pwrseq-emmc";
48 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
49 };
50
51 hdmi-connector {
52 compatible = "hdmi-connector";
53 type = "a";
54
55 port {
56 hdmi_connector_in: endpoint {
57 remote-endpoint = <&hdmi_tx_tmds_out>;
58 };
59 };
60 };
61
62 leds {
63 compatible = "gpio-leds";
64
65 led-system {
66 label = "librecomputer:system-status";
67 gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
68 default-state = "on";
69 panic-indicator;
70 };
71
72 led-blue {
73 label = "librecomputer:blue";
74 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
75 linux,default-trigger = "heartbeat";
76 };
77 };
78
79 memory@0 {
80 device_type = "memory";
81 reg = <0x0 0x0 0x0 0x80000000>;
82 };
83
84 hdmi_5v: regulator-hdmi-5v {
85 compatible = "regulator-fixed";
86
87 regulator-name = "HDMI_5V";
88 regulator-min-microvolt = <5000000>;
89 regulator-max-microvolt = <5000000>;
90
91 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
92 enable-active-high;
93 regulator-always-on;
94 };
95
96 vcc_3v3: regulator-vcc-3v3 {
97 compatible = "regulator-fixed";
98 regulator-name = "VCC_3V3";
99 regulator-min-microvolt = <3300000>;
100 regulator-max-microvolt = <3300000>;
101 };
102
103 vcc_card: regulator-vcc-card {
104 compatible = "regulator-gpio";
105
106 regulator-name = "VCC_CARD";
107 regulator-min-microvolt = <1800000>;
108 regulator-max-microvolt = <3300000>;
109
110 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
111 gpios-states = <0>;
112
113 states = <3300000 0>,
114 <1800000 1>;
115
116 regulator-settling-time-up-us = <200>;
117 regulator-settling-time-down-us = <50000>;
118 };
119
120 vddio_ao18: regulator-vddio-ao18 {
121 compatible = "regulator-fixed";
122 regulator-name = "VDDIO_AO18";
123 regulator-min-microvolt = <1800000>;
124 regulator-max-microvolt = <1800000>;
125 };
126
127 /* This is provided by LDOs on the eMMC daugther card */
128 vddio_boot: regulator-vddio-boot {
129 compatible = "regulator-fixed";
130 regulator-name = "VDDIO_BOOT";
131 regulator-min-microvolt = <1800000>;
132 regulator-max-microvolt = <1800000>;
133 vin-supply = <&vcc_3v3>;
134 };
135
136 sound {
137 compatible = "amlogic,gx-sound-card";
138 model = "LIBRETECH-CC";
139 audio-aux-devs = <&dio2133>;
140 audio-widgets = "Line", "Lineout";
141 audio-routing = "AU2 INL", "ACODEC LOLN",
142 "AU2 INR", "ACODEC LORN",
143 "Lineout", "AU2 OUTL",
144 "Lineout", "AU2 OUTR";
145 clocks = <&clkc CLKID_MPLL0>,
146 <&clkc CLKID_MPLL1>,
147 <&clkc CLKID_MPLL2>;
148
149 assigned-clocks = <&clkc CLKID_MPLL0>,
150 <&clkc CLKID_MPLL1>,
151 <&clkc CLKID_MPLL2>;
152 assigned-clock-parents = <0>, <0>, <0>;
153 assigned-clock-rates = <294912000>,
154 <270950400>,
155 <393216000>;
156
157 dai-link-0 {
158 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
159 };
160
161 dai-link-1 {
162 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
163 dai-format = "i2s";
164 mclk-fs = <256>;
165
166 codec-0 {
167 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
168 };
169
170 codec-1 {
171 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
172 };
173 };
174
175 dai-link-2 {
176 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
177
178 codec-0 {
179 sound-dai = <&hdmi_tx>;
180 };
181 };
182
183 dai-link-3 {
184 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
185
186 codec-0 {
187 sound-dai = <&acodec>;
188 };
189 };
190 };
191 };
192
193 &acodec {
194 AVDD-supply = <&vddio_ao18>;
195 status = "okay";
196 };
197
198 &aiu {
199 status = "okay";
200 };
201
202 &cec_AO {
203 status = "okay";
204 pinctrl-0 = <&ao_cec_pins>;
205 pinctrl-names = "default";
206 hdmi-phandle = <&hdmi_tx>;
207 };
208
209 &cvbs_vdac_port {
210 cvbs_vdac_out: endpoint {
211 remote-endpoint = <&cvbs_connector_in>;
212 };
213 };
214
215 ðmac {
216 status = "okay";
217 };
218
219 &internal_phy {
220 pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
221 pinctrl-names = "default";
222 };
223
224 &ir {
225 status = "okay";
226 pinctrl-0 = <&remote_input_ao_pins>;
227 pinctrl-names = "default";
228 };
229
230 &hdmi_tx {
231 status = "okay";
232 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
233 pinctrl-names = "default";
234 hdmi-supply = <&hdmi_5v>;
235 };
236
237 &hdmi_tx_tmds_port {
238 hdmi_tx_tmds_out: endpoint {
239 remote-endpoint = <&hdmi_connector_in>;
240 };
241 };
242
243 &gpio_ao {
244 gpio-line-names = "UART TX",
245 "UART RX",
246 "Blue LED",
247 "SDCard Voltage Switch",
248 "7J1 Header Pin5",
249 "7J1 Header Pin3",
250 "7J1 Header Pin12",
251 "IR In",
252 "9J3 Switch HDMI CEC/7J1 Header Pin11",
253 "7J1 Header Pin13",
254 /* GPIO_TEST_N */
255 "7J1 Header Pin15";
256 };
257
258 &gpio {
259 gpio-line-names = /* Bank GPIOZ */
260 "", "", "", "", "", "", "",
261 "", "", "", "", "", "", "",
262 "Eth Link LED", "Eth Activity LED",
263 /* Bank GPIOH */
264 "HDMI HPD", "HDMI SDA", "HDMI SCL",
265 "HDMI_5V_EN", "9J1 Header Pin2",
266 "Analog Audio Mute",
267 "2J3 Header Pin6",
268 "2J3 Header Pin5",
269 "2J3 Header Pin4",
270 "2J3 Header Pin3",
271 /* Bank BOOT */
272 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
273 "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
274 "eMMC Clk", "eMMC Reset", "eMMC CMD",
275 "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
276 /* Bank CARD */
277 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
278 "SDCard D3", "SDCard D2", "SDCard Det",
279 /* Bank GPIODV */
280 "", "", "", "", "", "", "", "", "", "", "", "",
281 "", "", "", "", "", "", "", "", "", "", "", "",
282 "Green LED", "VCCK Enable",
283 "7J1 Header Pin27", "7J1 Header Pin28",
284 "VCCK Regulator", "VDDEE Regulator",
285 /* Bank GPIOX */
286 "7J1 Header Pin22", "7J1 Header Pin26",
287 "7J1 Header Pin36", "7J1 Header Pin38",
288 "7J1 Header Pin40", "7J1 Header Pin37",
289 "7J1 Header Pin33", "7J1 Header Pin35",
290 "7J1 Header Pin19", "7J1 Header Pin21",
291 "7J1 Header Pin24", "7J1 Header Pin23",
292 "7J1 Header Pin8", "7J1 Header Pin10",
293 "7J1 Header Pin16", "7J1 Header Pin18",
294 "7J1 Header Pin32", "7J1 Header Pin29",
295 "7J1 Header Pin31",
296 /* Bank GPIOCLK */
297 "7J1 Header Pin7", "";
298 };
299
300 &saradc {
301 status = "okay";
302 vref-supply = <&vddio_ao18>;
303 };
304
305 /* SD card */
306 &sd_emmc_b {
307 status = "okay";
308 pinctrl-0 = <&sdcard_pins>;
309 pinctrl-1 = <&sdcard_clk_gate_pins>;
310 pinctrl-names = "default", "clk-gate";
311
312 bus-width = <4>;
313 cap-sd-highspeed;
314 max-frequency = <50000000>;
315 disable-wp;
316
317 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
318
319 vmmc-supply = <&vcc_3v3>;
320 vqmmc-supply = <&vcc_card>;
321 };
322
323 /* eMMC */
324 &sd_emmc_c {
325 status = "okay";
326 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
327 pinctrl-1 = <&emmc_clk_gate_pins>;
328 pinctrl-names = "default", "clk-gate";
329
330 bus-width = <8>;
331 cap-mmc-highspeed;
332 mmc-ddr-1_8v;
333 mmc-hs200-1_8v;
334 max-frequency = <200000000>;
335 disable-wp;
336
337 mmc-pwrseq = <&emmc_pwrseq>;
338 vmmc-supply = <&vcc_3v3>;
339 vqmmc-supply = <&vddio_boot>;
340 };
341
342 &uart_AO {
343 status = "okay";
344 pinctrl-0 = <&uart_ao_a_pins>;
345 pinctrl-names = "default";
346 };
347
348 &usb {
349 status = "okay";
350 dr_mode = "host";
351 };
352
353 &usb2_phy0 {
354 /*
355 * even though the schematics don't show it:
356 * HDMI_5V is also used as supply for the USB VBUS.
357 */
358 phy-supply = <&hdmi_5v>;
359 };
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