1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /* 2 /*
3 * Copyright (c) 2017 BayLibre, SAS. 3 * Copyright (c) 2017 BayLibre, SAS.
4 * Author: Neil Armstrong <narmstrong@baylibre. 4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Author: Jerome Brunet <jbrunet@baylibre.com> 5 * Author: Jerome Brunet <jbrunet@baylibre.com>
6 */ 6 */
7 7
8 /dts-v1/; 8 /dts-v1/;
9 9
10 #include <dt-bindings/input/input.h> 10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/sound/meson-aiu.h> 11 #include <dt-bindings/sound/meson-aiu.h>
12 12
13 #include "meson-gxl-s905x.dtsi" 13 #include "meson-gxl-s905x.dtsi"
14 14
15 / { 15 / {
16 compatible = "libretech,aml-s905x-cc", 16 compatible = "libretech,aml-s905x-cc", "amlogic,s905x",
17 "amlogic,meson-gxl"; 17 "amlogic,meson-gxl";
18 model = "Libre Computer AML-S905X-CC"; 18 model = "Libre Computer AML-S905X-CC";
19 19
20 aliases { 20 aliases {
21 serial0 = &uart_AO; 21 serial0 = &uart_AO;
22 ethernet0 = ðmac; 22 ethernet0 = ðmac;
23 }; 23 };
24 24
25 dio2133: analog-amplifier { 25 dio2133: analog-amplifier {
26 compatible = "simple-audio-amp 26 compatible = "simple-audio-amplifier";
27 sound-name-prefix = "AU2"; 27 sound-name-prefix = "AU2";
28 VCC-supply = <&hdmi_5v>; 28 VCC-supply = <&hdmi_5v>;
29 enable-gpios = <&gpio GPIOH_5 29 enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
30 }; 30 };
31 31
32 chosen { 32 chosen {
33 stdout-path = "serial0:115200n 33 stdout-path = "serial0:115200n8";
34 }; 34 };
35 35
36 cvbs-connector { 36 cvbs-connector {
37 compatible = "composite-video- 37 compatible = "composite-video-connector";
38 38
39 port { 39 port {
40 cvbs_connector_in: end 40 cvbs_connector_in: endpoint {
41 remote-endpoin 41 remote-endpoint = <&cvbs_vdac_out>;
42 }; 42 };
43 }; 43 };
44 }; 44 };
45 45
46 emmc_pwrseq: emmc-pwrseq { 46 emmc_pwrseq: emmc-pwrseq {
47 compatible = "mmc-pwrseq-emmc" 47 compatible = "mmc-pwrseq-emmc";
48 reset-gpios = <&gpio BOOT_9 GP 48 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
49 }; 49 };
50 50
51 hdmi-connector { 51 hdmi-connector {
52 compatible = "hdmi-connector"; 52 compatible = "hdmi-connector";
53 type = "a"; 53 type = "a";
54 54
55 port { 55 port {
56 hdmi_connector_in: end 56 hdmi_connector_in: endpoint {
57 remote-endpoin 57 remote-endpoint = <&hdmi_tx_tmds_out>;
58 }; 58 };
59 }; 59 };
60 }; 60 };
61 61
62 leds { 62 leds {
63 compatible = "gpio-leds"; 63 compatible = "gpio-leds";
64 64
65 led-system { 65 led-system {
66 label = "librecomputer 66 label = "librecomputer:system-status";
67 gpios = <&gpio GPIODV_ 67 gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
68 default-state = "on"; 68 default-state = "on";
69 panic-indicator; 69 panic-indicator;
70 }; 70 };
71 71
72 led-blue { 72 led-blue {
73 label = "librecomputer 73 label = "librecomputer:blue";
74 gpios = <&gpio_ao GPIO 74 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
75 linux,default-trigger 75 linux,default-trigger = "heartbeat";
76 }; 76 };
77 }; 77 };
78 78
79 memory@0 { 79 memory@0 {
80 device_type = "memory"; 80 device_type = "memory";
81 reg = <0x0 0x0 0x0 0x80000000> 81 reg = <0x0 0x0 0x0 0x80000000>;
82 }; 82 };
83 83
84 hdmi_5v: regulator-hdmi-5v { 84 hdmi_5v: regulator-hdmi-5v {
85 compatible = "regulator-fixed" 85 compatible = "regulator-fixed";
86 86
87 regulator-name = "HDMI_5V"; 87 regulator-name = "HDMI_5V";
88 regulator-min-microvolt = <500 88 regulator-min-microvolt = <5000000>;
89 regulator-max-microvolt = <500 89 regulator-max-microvolt = <5000000>;
90 90
91 gpio = <&gpio GPIOH_3 GPIO_ACT 91 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
92 enable-active-high; 92 enable-active-high;
93 regulator-always-on; 93 regulator-always-on;
94 }; 94 };
95 95
96 vcc_3v3: regulator-vcc-3v3 { 96 vcc_3v3: regulator-vcc-3v3 {
97 compatible = "regulator-fixed" 97 compatible = "regulator-fixed";
98 regulator-name = "VCC_3V3"; 98 regulator-name = "VCC_3V3";
99 regulator-min-microvolt = <330 99 regulator-min-microvolt = <3300000>;
100 regulator-max-microvolt = <330 100 regulator-max-microvolt = <3300000>;
101 }; 101 };
102 102
103 vcc_card: regulator-vcc-card { 103 vcc_card: regulator-vcc-card {
104 compatible = "regulator-gpio"; 104 compatible = "regulator-gpio";
105 105
106 regulator-name = "VCC_CARD"; 106 regulator-name = "VCC_CARD";
107 regulator-min-microvolt = <180 107 regulator-min-microvolt = <1800000>;
108 regulator-max-microvolt = <330 108 regulator-max-microvolt = <3300000>;
109 109
110 gpios = <&gpio_ao GPIOAO_3 GPI 110 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
111 gpios-states = <0>; 111 gpios-states = <0>;
112 112
113 states = <3300000 0>, 113 states = <3300000 0>,
114 <1800000 1>; 114 <1800000 1>;
115 115
116 regulator-settling-time-up-us 116 regulator-settling-time-up-us = <200>;
117 regulator-settling-time-down-u 117 regulator-settling-time-down-us = <50000>;
118 }; 118 };
119 119
120 vddio_ao18: regulator-vddio-ao18 { 120 vddio_ao18: regulator-vddio-ao18 {
121 compatible = "regulator-fixed" 121 compatible = "regulator-fixed";
122 regulator-name = "VDDIO_AO18"; 122 regulator-name = "VDDIO_AO18";
123 regulator-min-microvolt = <180 123 regulator-min-microvolt = <1800000>;
124 regulator-max-microvolt = <180 124 regulator-max-microvolt = <1800000>;
125 }; 125 };
126 126
127 /* This is provided by LDOs on the eMM 127 /* This is provided by LDOs on the eMMC daugther card */
128 vddio_boot: regulator-vddio-boot { 128 vddio_boot: regulator-vddio-boot {
129 compatible = "regulator-fixed" 129 compatible = "regulator-fixed";
130 regulator-name = "VDDIO_BOOT"; 130 regulator-name = "VDDIO_BOOT";
131 regulator-min-microvolt = <180 131 regulator-min-microvolt = <1800000>;
132 regulator-max-microvolt = <180 132 regulator-max-microvolt = <1800000>;
133 vin-supply = <&vcc_3v3>; 133 vin-supply = <&vcc_3v3>;
134 }; 134 };
135 135
136 sound { 136 sound {
137 compatible = "amlogic,gx-sound 137 compatible = "amlogic,gx-sound-card";
138 model = "LIBRETECH-CC"; 138 model = "LIBRETECH-CC";
139 audio-aux-devs = <&dio2133>; 139 audio-aux-devs = <&dio2133>;
140 audio-widgets = "Line", "Lineo 140 audio-widgets = "Line", "Lineout";
141 audio-routing = "AU2 INL", "AC 141 audio-routing = "AU2 INL", "ACODEC LOLN",
142 "AU2 INR", "AC 142 "AU2 INR", "ACODEC LORN",
143 "Lineout", "AU 143 "Lineout", "AU2 OUTL",
144 "Lineout", "AU 144 "Lineout", "AU2 OUTR";
145 clocks = <&clkc CLKID_MPLL0>, 145 clocks = <&clkc CLKID_MPLL0>,
146 <&clkc CLKID_MPLL1>, 146 <&clkc CLKID_MPLL1>,
147 <&clkc CLKID_MPLL2>; 147 <&clkc CLKID_MPLL2>;
148 148
149 assigned-clocks = <&clkc CLKID 149 assigned-clocks = <&clkc CLKID_MPLL0>,
150 <&clkc CLKID 150 <&clkc CLKID_MPLL1>,
151 <&clkc CLKID 151 <&clkc CLKID_MPLL2>;
152 assigned-clock-parents = <0>, 152 assigned-clock-parents = <0>, <0>, <0>;
153 assigned-clock-rates = <294912 153 assigned-clock-rates = <294912000>,
154 <270950 154 <270950400>,
155 <393216 155 <393216000>;
156 156
157 dai-link-0 { 157 dai-link-0 {
158 sound-dai = <&aiu AIU_ 158 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
159 }; 159 };
160 160
161 dai-link-1 { 161 dai-link-1 {
162 sound-dai = <&aiu AIU_ 162 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
163 dai-format = "i2s"; 163 dai-format = "i2s";
164 mclk-fs = <256>; 164 mclk-fs = <256>;
165 165
166 codec-0 { 166 codec-0 {
167 sound-dai = <& 167 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
168 }; 168 };
169 169
170 codec-1 { 170 codec-1 {
171 sound-dai = <& 171 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
172 }; 172 };
173 }; 173 };
174 174
175 dai-link-2 { 175 dai-link-2 {
176 sound-dai = <&aiu AIU_ 176 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
177 177
178 codec-0 { 178 codec-0 {
179 sound-dai = <& 179 sound-dai = <&hdmi_tx>;
180 }; 180 };
181 }; 181 };
182 182
183 dai-link-3 { 183 dai-link-3 {
184 sound-dai = <&aiu AIU_ 184 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
185 185
186 codec-0 { 186 codec-0 {
187 sound-dai = <& 187 sound-dai = <&acodec>;
188 }; 188 };
189 }; 189 };
190 }; 190 };
191 }; 191 };
192 192
193 &acodec { 193 &acodec {
194 AVDD-supply = <&vddio_ao18>; 194 AVDD-supply = <&vddio_ao18>;
195 status = "okay"; 195 status = "okay";
196 }; 196 };
197 197
198 &aiu { 198 &aiu {
199 status = "okay"; 199 status = "okay";
200 }; 200 };
201 201
202 &cec_AO { 202 &cec_AO {
203 status = "okay"; 203 status = "okay";
204 pinctrl-0 = <&ao_cec_pins>; 204 pinctrl-0 = <&ao_cec_pins>;
205 pinctrl-names = "default"; 205 pinctrl-names = "default";
206 hdmi-phandle = <&hdmi_tx>; 206 hdmi-phandle = <&hdmi_tx>;
207 }; 207 };
208 208
209 &cvbs_vdac_port { 209 &cvbs_vdac_port {
210 cvbs_vdac_out: endpoint { 210 cvbs_vdac_out: endpoint {
211 remote-endpoint = <&cvbs_conne 211 remote-endpoint = <&cvbs_connector_in>;
212 }; 212 };
213 }; 213 };
214 214
215 ðmac { 215 ðmac {
216 status = "okay"; 216 status = "okay";
217 }; 217 };
218 218
219 &internal_phy { 219 &internal_phy {
220 pinctrl-0 = <ð_link_led_pins>, <&et 220 pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
221 pinctrl-names = "default"; 221 pinctrl-names = "default";
222 }; 222 };
223 223
224 &ir { 224 &ir {
225 status = "okay"; 225 status = "okay";
226 pinctrl-0 = <&remote_input_ao_pins>; 226 pinctrl-0 = <&remote_input_ao_pins>;
227 pinctrl-names = "default"; 227 pinctrl-names = "default";
228 }; 228 };
229 229
230 &hdmi_tx { 230 &hdmi_tx {
231 status = "okay"; 231 status = "okay";
232 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i 232 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
233 pinctrl-names = "default"; 233 pinctrl-names = "default";
234 hdmi-supply = <&hdmi_5v>; 234 hdmi-supply = <&hdmi_5v>;
235 }; 235 };
236 236
237 &hdmi_tx_tmds_port { 237 &hdmi_tx_tmds_port {
238 hdmi_tx_tmds_out: endpoint { 238 hdmi_tx_tmds_out: endpoint {
239 remote-endpoint = <&hdmi_conne 239 remote-endpoint = <&hdmi_connector_in>;
240 }; 240 };
241 }; 241 };
242 242
243 &gpio_ao { 243 &gpio_ao {
244 gpio-line-names = "UART TX", 244 gpio-line-names = "UART TX",
245 "UART RX", 245 "UART RX",
246 "Blue LED", 246 "Blue LED",
247 "SDCard Voltage Swit 247 "SDCard Voltage Switch",
248 "7J1 Header Pin5", 248 "7J1 Header Pin5",
249 "7J1 Header Pin3", 249 "7J1 Header Pin3",
250 "7J1 Header Pin12", 250 "7J1 Header Pin12",
251 "IR In", 251 "IR In",
252 "9J3 Switch HDMI CEC 252 "9J3 Switch HDMI CEC/7J1 Header Pin11",
253 "7J1 Header Pin13", 253 "7J1 Header Pin13",
254 /* GPIO_TEST_N */ 254 /* GPIO_TEST_N */
255 "7J1 Header Pin15"; 255 "7J1 Header Pin15";
256 }; 256 };
257 257
258 &gpio { 258 &gpio {
259 gpio-line-names = /* Bank GPIOZ */ 259 gpio-line-names = /* Bank GPIOZ */
260 "", "", "", "", "", 260 "", "", "", "", "", "", "",
261 "", "", "", "", "", 261 "", "", "", "", "", "", "",
262 "Eth Link LED", "Eth 262 "Eth Link LED", "Eth Activity LED",
263 /* Bank GPIOH */ 263 /* Bank GPIOH */
264 "HDMI HPD", "HDMI SD 264 "HDMI HPD", "HDMI SDA", "HDMI SCL",
265 "HDMI_5V_EN", "9J1 H 265 "HDMI_5V_EN", "9J1 Header Pin2",
266 "Analog Audio Mute", 266 "Analog Audio Mute",
267 "2J3 Header Pin6", 267 "2J3 Header Pin6",
268 "2J3 Header Pin5", 268 "2J3 Header Pin5",
269 "2J3 Header Pin4", 269 "2J3 Header Pin4",
270 "2J3 Header Pin3", 270 "2J3 Header Pin3",
271 /* Bank BOOT */ 271 /* Bank BOOT */
272 "eMMC D0", "eMMC D1" 272 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
273 "eMMC D4", "eMMC D5" 273 "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
274 "eMMC Clk", "eMMC Re 274 "eMMC Clk", "eMMC Reset", "eMMC CMD",
275 "ALT BOOT MODE", "", 275 "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
276 /* Bank CARD */ 276 /* Bank CARD */
277 "SDCard D1", "SDCard 277 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
278 "SDCard D3", "SDCard 278 "SDCard D3", "SDCard D2", "SDCard Det",
279 /* Bank GPIODV */ 279 /* Bank GPIODV */
280 "", "", "", "", "", 280 "", "", "", "", "", "", "", "", "", "", "", "",
281 "", "", "", "", "", 281 "", "", "", "", "", "", "", "", "", "", "", "",
282 "Green LED", "VCCK E 282 "Green LED", "VCCK Enable",
283 "7J1 Header Pin27", 283 "7J1 Header Pin27", "7J1 Header Pin28",
284 "VCCK Regulator", "V 284 "VCCK Regulator", "VDDEE Regulator",
285 /* Bank GPIOX */ 285 /* Bank GPIOX */
286 "7J1 Header Pin22", 286 "7J1 Header Pin22", "7J1 Header Pin26",
287 "7J1 Header Pin36", 287 "7J1 Header Pin36", "7J1 Header Pin38",
288 "7J1 Header Pin40", 288 "7J1 Header Pin40", "7J1 Header Pin37",
289 "7J1 Header Pin33", 289 "7J1 Header Pin33", "7J1 Header Pin35",
290 "7J1 Header Pin19", 290 "7J1 Header Pin19", "7J1 Header Pin21",
291 "7J1 Header Pin24", 291 "7J1 Header Pin24", "7J1 Header Pin23",
292 "7J1 Header Pin8", " 292 "7J1 Header Pin8", "7J1 Header Pin10",
293 "7J1 Header Pin16", 293 "7J1 Header Pin16", "7J1 Header Pin18",
294 "7J1 Header Pin32", 294 "7J1 Header Pin32", "7J1 Header Pin29",
295 "7J1 Header Pin31", 295 "7J1 Header Pin31",
296 /* Bank GPIOCLK */ 296 /* Bank GPIOCLK */
297 "7J1 Header Pin7", " 297 "7J1 Header Pin7", "";
298 }; 298 };
299 299
300 &saradc { 300 &saradc {
301 status = "okay"; 301 status = "okay";
302 vref-supply = <&vddio_ao18>; 302 vref-supply = <&vddio_ao18>;
303 }; 303 };
304 304
305 /* SD card */ 305 /* SD card */
306 &sd_emmc_b { 306 &sd_emmc_b {
307 status = "okay"; 307 status = "okay";
308 pinctrl-0 = <&sdcard_pins>; 308 pinctrl-0 = <&sdcard_pins>;
309 pinctrl-1 = <&sdcard_clk_gate_pins>; 309 pinctrl-1 = <&sdcard_clk_gate_pins>;
310 pinctrl-names = "default", "clk-gate"; 310 pinctrl-names = "default", "clk-gate";
311 311
312 bus-width = <4>; 312 bus-width = <4>;
313 cap-sd-highspeed; 313 cap-sd-highspeed;
314 max-frequency = <50000000>; 314 max-frequency = <50000000>;
315 disable-wp; 315 disable-wp;
316 316
317 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_L 317 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
318 318
319 vmmc-supply = <&vcc_3v3>; 319 vmmc-supply = <&vcc_3v3>;
320 vqmmc-supply = <&vcc_card>; 320 vqmmc-supply = <&vcc_card>;
321 }; 321 };
322 322
323 /* eMMC */ 323 /* eMMC */
324 &sd_emmc_c { 324 &sd_emmc_c {
325 status = "okay"; 325 status = "okay";
326 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pi 326 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
327 pinctrl-1 = <&emmc_clk_gate_pins>; 327 pinctrl-1 = <&emmc_clk_gate_pins>;
328 pinctrl-names = "default", "clk-gate"; 328 pinctrl-names = "default", "clk-gate";
329 329
330 bus-width = <8>; 330 bus-width = <8>;
331 cap-mmc-highspeed; 331 cap-mmc-highspeed;
332 mmc-ddr-1_8v; 332 mmc-ddr-1_8v;
333 mmc-hs200-1_8v; 333 mmc-hs200-1_8v;
334 max-frequency = <200000000>; 334 max-frequency = <200000000>;
335 disable-wp; 335 disable-wp;
336 336
337 mmc-pwrseq = <&emmc_pwrseq>; 337 mmc-pwrseq = <&emmc_pwrseq>;
338 vmmc-supply = <&vcc_3v3>; 338 vmmc-supply = <&vcc_3v3>;
339 vqmmc-supply = <&vddio_boot>; 339 vqmmc-supply = <&vddio_boot>;
340 }; 340 };
341 341
342 &uart_AO { 342 &uart_AO {
343 status = "okay"; 343 status = "okay";
344 pinctrl-0 = <&uart_ao_a_pins>; 344 pinctrl-0 = <&uart_ao_a_pins>;
345 pinctrl-names = "default"; 345 pinctrl-names = "default";
346 }; 346 };
347 347
348 &usb { 348 &usb {
349 status = "okay"; 349 status = "okay";
350 dr_mode = "host"; 350 dr_mode = "host";
351 }; 351 };
352 352
353 &usb2_phy0 { 353 &usb2_phy0 {
354 /* 354 /*
355 * even though the schematics don't sh 355 * even though the schematics don't show it:
356 * HDMI_5V is also used as supply for 356 * HDMI_5V is also used as supply for the USB VBUS.
357 */ 357 */
358 phy-supply = <&hdmi_5v>; 358 phy-supply = <&hdmi_5v>;
359 }; 359 };
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