1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2017 BayLibre, SAS.
4 * Author: Neil Armstrong <narmstrong@baylibre.
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",
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-amp
27 sound-name-prefix = "AU2";
28 VCC-supply = <&hdmi_5v>;
29 enable-gpios = <&gpio GPIOH_5
30 };
31
32 chosen {
33 stdout-path = "serial0:115200n
34 };
35
36 cvbs-connector {
37 compatible = "composite-video-
38
39 port {
40 cvbs_connector_in: end
41 remote-endpoin
42 };
43 };
44 };
45
46 emmc_pwrseq: emmc-pwrseq {
47 compatible = "mmc-pwrseq-emmc"
48 reset-gpios = <&gpio BOOT_9 GP
49 };
50
51 hdmi-connector {
52 compatible = "hdmi-connector";
53 type = "a";
54
55 port {
56 hdmi_connector_in: end
57 remote-endpoin
58 };
59 };
60 };
61
62 leds {
63 compatible = "gpio-leds";
64
65 led-system {
66 label = "librecomputer
67 gpios = <&gpio GPIODV_
68 default-state = "on";
69 panic-indicator;
70 };
71
72 led-blue {
73 label = "librecomputer
74 gpios = <&gpio_ao GPIO
75 linux,default-trigger
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 = <500
89 regulator-max-microvolt = <500
90
91 gpio = <&gpio GPIOH_3 GPIO_ACT
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 = <330
100 regulator-max-microvolt = <330
101 };
102
103 vcc_card: regulator-vcc-card {
104 compatible = "regulator-gpio";
105
106 regulator-name = "VCC_CARD";
107 regulator-min-microvolt = <180
108 regulator-max-microvolt = <330
109
110 gpios = <&gpio_ao GPIOAO_3 GPI
111 gpios-states = <0>;
112
113 states = <3300000 0>,
114 <1800000 1>;
115
116 regulator-settling-time-up-us
117 regulator-settling-time-down-u
118 };
119
120 vddio_ao18: regulator-vddio-ao18 {
121 compatible = "regulator-fixed"
122 regulator-name = "VDDIO_AO18";
123 regulator-min-microvolt = <180
124 regulator-max-microvolt = <180
125 };
126
127 /* This is provided by LDOs on the eMM
128 vddio_boot: regulator-vddio-boot {
129 compatible = "regulator-fixed"
130 regulator-name = "VDDIO_BOOT";
131 regulator-min-microvolt = <180
132 regulator-max-microvolt = <180
133 vin-supply = <&vcc_3v3>;
134 };
135
136 sound {
137 compatible = "amlogic,gx-sound
138 model = "LIBRETECH-CC";
139 audio-aux-devs = <&dio2133>;
140 audio-widgets = "Line", "Lineo
141 audio-routing = "AU2 INL", "AC
142 "AU2 INR", "AC
143 "Lineout", "AU
144 "Lineout", "AU
145 clocks = <&clkc CLKID_MPLL0>,
146 <&clkc CLKID_MPLL1>,
147 <&clkc CLKID_MPLL2>;
148
149 assigned-clocks = <&clkc CLKID
150 <&clkc CLKID
151 <&clkc CLKID
152 assigned-clock-parents = <0>,
153 assigned-clock-rates = <294912
154 <270950
155 <393216
156
157 dai-link-0 {
158 sound-dai = <&aiu AIU_
159 };
160
161 dai-link-1 {
162 sound-dai = <&aiu AIU_
163 dai-format = "i2s";
164 mclk-fs = <256>;
165
166 codec-0 {
167 sound-dai = <&
168 };
169
170 codec-1 {
171 sound-dai = <&
172 };
173 };
174
175 dai-link-2 {
176 sound-dai = <&aiu AIU_
177
178 codec-0 {
179 sound-dai = <&
180 };
181 };
182
183 dai-link-3 {
184 sound-dai = <&aiu AIU_
185
186 codec-0 {
187 sound-dai = <&
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_conne
212 };
213 };
214
215 ðmac {
216 status = "okay";
217 };
218
219 &internal_phy {
220 pinctrl-0 = <ð_link_led_pins>, <&et
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_i
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_conne
240 };
241 };
242
243 &gpio_ao {
244 gpio-line-names = "UART TX",
245 "UART RX",
246 "Blue LED",
247 "SDCard Voltage Swit
248 "7J1 Header Pin5",
249 "7J1 Header Pin3",
250 "7J1 Header Pin12",
251 "IR In",
252 "9J3 Switch HDMI CEC
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
263 /* Bank GPIOH */
264 "HDMI HPD", "HDMI SD
265 "HDMI_5V_EN", "9J1 H
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"
273 "eMMC D4", "eMMC D5"
274 "eMMC Clk", "eMMC Re
275 "ALT BOOT MODE", "",
276 /* Bank CARD */
277 "SDCard D1", "SDCard
278 "SDCard D3", "SDCard
279 /* Bank GPIODV */
280 "", "", "", "", "",
281 "", "", "", "", "",
282 "Green LED", "VCCK E
283 "7J1 Header Pin27",
284 "VCCK Regulator", "V
285 /* Bank GPIOX */
286 "7J1 Header Pin22",
287 "7J1 Header Pin36",
288 "7J1 Header Pin40",
289 "7J1 Header Pin33",
290 "7J1 Header Pin19",
291 "7J1 Header Pin24",
292 "7J1 Header Pin8", "
293 "7J1 Header Pin16",
294 "7J1 Header Pin32",
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_L
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_pi
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 sh
356 * HDMI_5V is also used as supply for
357 */
358 phy-supply = <&hdmi_5v>;
359 };
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