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 assigned-clocks = <&clkc CLKID_MPLL0>,
146 <&clkc CLKID_MPLL1>,
147 <&clkc CLKID_MPLL2>;
148 assigned-clock-parents = <0>, <0>, <0>;
149 assigned-clock-rates = <294912000>,
150 <270950400>,
151 <393216000>;
152
153 dai-link-0 {
154 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
155 };
156
157 dai-link-1 {
158 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
159 dai-format = "i2s";
160 mclk-fs = <256>;
161
162 codec-0 {
163 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
164 };
165
166 codec-1 {
167 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
168 };
169 };
170
171 dai-link-2 {
172 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
173
174 codec-0 {
175 sound-dai = <&hdmi_tx>;
176 };
177 };
178
179 dai-link-3 {
180 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
181
182 codec-0 {
183 sound-dai = <&acodec>;
184 };
185 };
186 };
187 };
188
189 &acodec {
190 AVDD-supply = <&vddio_ao18>;
191 status = "okay";
192 };
193
194 &aiu {
195 status = "okay";
196 };
197
198 &cec_AO {
199 status = "okay";
200 pinctrl-0 = <&ao_cec_pins>;
201 pinctrl-names = "default";
202 hdmi-phandle = <&hdmi_tx>;
203 };
204
205 &cvbs_vdac_port {
206 cvbs_vdac_out: endpoint {
207 remote-endpoint = <&cvbs_connector_in>;
208 };
209 };
210
211 ðmac {
212 status = "okay";
213 };
214
215 &internal_phy {
216 pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
217 pinctrl-names = "default";
218 };
219
220 &ir {
221 status = "okay";
222 pinctrl-0 = <&remote_input_ao_pins>;
223 pinctrl-names = "default";
224 };
225
226 &hdmi_tx {
227 status = "okay";
228 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
229 pinctrl-names = "default";
230 hdmi-supply = <&hdmi_5v>;
231 };
232
233 &hdmi_tx_tmds_port {
234 hdmi_tx_tmds_out: endpoint {
235 remote-endpoint = <&hdmi_connector_in>;
236 };
237 };
238
239 &gpio_ao {
240 gpio-line-names = "UART TX",
241 "UART RX",
242 "Blue LED",
243 "SDCard Voltage Switch",
244 "7J1 Header Pin5",
245 "7J1 Header Pin3",
246 "7J1 Header Pin12",
247 "IR In",
248 "9J3 Switch HDMI CEC/7J1 Header Pin11",
249 "7J1 Header Pin13",
250 /* GPIO_TEST_N */
251 "7J1 Header Pin15";
252 };
253
254 &gpio {
255 gpio-line-names = /* Bank GPIOZ */
256 "", "", "", "", "", "", "",
257 "", "", "", "", "", "", "",
258 "Eth Link LED", "Eth Activity LED",
259 /* Bank GPIOH */
260 "HDMI HPD", "HDMI SDA", "HDMI SCL",
261 "HDMI_5V_EN", "9J1 Header Pin2",
262 "Analog Audio Mute",
263 "2J3 Header Pin6",
264 "2J3 Header Pin5",
265 "2J3 Header Pin4",
266 "2J3 Header Pin3",
267 /* Bank BOOT */
268 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
269 "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
270 "eMMC Clk", "eMMC Reset", "eMMC CMD",
271 "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
272 /* Bank CARD */
273 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
274 "SDCard D3", "SDCard D2", "SDCard Det",
275 /* Bank GPIODV */
276 "", "", "", "", "", "", "", "", "", "", "", "",
277 "", "", "", "", "", "", "", "", "", "", "", "",
278 "Green LED", "VCCK Enable",
279 "7J1 Header Pin27", "7J1 Header Pin28",
280 "VCCK Regulator", "VDDEE Regulator",
281 /* Bank GPIOX */
282 "7J1 Header Pin22", "7J1 Header Pin26",
283 "7J1 Header Pin36", "7J1 Header Pin38",
284 "7J1 Header Pin40", "7J1 Header Pin37",
285 "7J1 Header Pin33", "7J1 Header Pin35",
286 "7J1 Header Pin19", "7J1 Header Pin21",
287 "7J1 Header Pin24", "7J1 Header Pin23",
288 "7J1 Header Pin8", "7J1 Header Pin10",
289 "7J1 Header Pin16", "7J1 Header Pin18",
290 "7J1 Header Pin32", "7J1 Header Pin29",
291 "7J1 Header Pin31",
292 /* Bank GPIOCLK */
293 "7J1 Header Pin7", "";
294 };
295
296 &saradc {
297 status = "okay";
298 vref-supply = <&vddio_ao18>;
299 };
300
301 /* SD card */
302 &sd_emmc_b {
303 status = "okay";
304 pinctrl-0 = <&sdcard_pins>;
305 pinctrl-1 = <&sdcard_clk_gate_pins>;
306 pinctrl-names = "default", "clk-gate";
307
308 bus-width = <4>;
309 cap-sd-highspeed;
310 max-frequency = <50000000>;
311 disable-wp;
312
313 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
314
315 vmmc-supply = <&vcc_3v3>;
316 vqmmc-supply = <&vcc_card>;
317 };
318
319 /* eMMC */
320 &sd_emmc_c {
321 status = "okay";
322 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
323 pinctrl-1 = <&emmc_clk_gate_pins>;
324 pinctrl-names = "default", "clk-gate";
325
326 bus-width = <8>;
327 cap-mmc-highspeed;
328 mmc-ddr-1_8v;
329 mmc-hs200-1_8v;
330 max-frequency = <200000000>;
331 disable-wp;
332
333 mmc-pwrseq = <&emmc_pwrseq>;
334 vmmc-supply = <&vcc_3v3>;
335 vqmmc-supply = <&vddio_boot>;
336 };
337
338 &uart_AO {
339 status = "okay";
340 pinctrl-0 = <&uart_ao_a_pins>;
341 pinctrl-names = "default";
342 };
343
344 &usb {
345 status = "okay";
346 dr_mode = "host";
347 };
348
349 &usb2_phy0 {
350 /*
351 * even though the schematics don't show it:
352 * HDMI_5V is also used as supply for the USB VBUS.
353 */
354 phy-supply = <&hdmi_5v>;
355 };
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