1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
|
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2017 BayLibre, SAS.
* Author: Neil Armstrong <narmstrong@baylibre.com>
* Author: Jerome Brunet <jbrunet@baylibre.com>
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include "meson-gxl-s905x.dtsi"
/ {
compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
model = "Libre Technology CC";
aliases {
serial0 = &uart_AO;
ethernet0 = ðmac;
};
chosen {
stdout-path = "serial0:115200n8";
};
cvbs-connector {
compatible = "composite-video-connector";
port {
cvbs_connector_in: endpoint {
remote-endpoint = <&cvbs_vdac_out>;
};
};
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
};
hdmi-connector {
compatible = "hdmi-connector";
type = "a";
port {
hdmi_connector_in: endpoint {
remote-endpoint = <&hdmi_tx_tmds_out>;
};
};
};
leds {
compatible = "gpio-leds";
system {
label = "librecomputer:system-status";
gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
default-state = "on";
panic-indicator;
};
blue {
label = "librecomputer:blue";
gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>;
};
hdmi_5v: regulator-hdmi-5v {
compatible = "regulator-fixed";
regulator-name = "HDMI_5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
};
vcc_3v3: regulator-vcc_3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vcc_card: regulator-vcc-card {
compatible = "regulator-gpio";
regulator-name = "VCC_CARD";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <3300000 0>,
<1800000 1>;
regulator-settling-time-up-us = <200>;
regulator-settling-time-down-us = <50000>;
};
vddio_ao18: regulator-vddio_ao18 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_AO18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
vddio_boot: regulator-vddio_boot {
compatible = "regulator-fixed";
regulator-name = "VDDIO_BOOT";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
&cec_AO {
status = "okay";
pinctrl-0 = <&ao_cec_pins>;
pinctrl-names = "default";
hdmi-phandle = <&hdmi_tx>;
};
&cvbs_vdac_port {
cvbs_vdac_out: endpoint {
remote-endpoint = <&cvbs_connector_in>;
};
};
ðmac {
status = "okay";
};
&internal_phy {
pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
pinctrl-names = "default";
};
&ir {
status = "okay";
pinctrl-0 = <&remote_input_ao_pins>;
pinctrl-names = "default";
};
&hdmi_tx {
status = "okay";
pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
pinctrl-names = "default";
};
&hdmi_tx_tmds_port {
hdmi_tx_tmds_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
&pinctrl_aobus {
gpio-line-names = "UART TX",
"UART RX",
"Blue LED",
"SDCard Voltage Switch",
"7J1 Header Pin5",
"7J1 Header Pin3",
"7J1 Header Pin12",
"IR In",
"9J3 Switch HDMI CEC/7J1 Header Pin11",
"7J1 Header Pin13",
/* GPIO_TEST_N */
"7J1 Header Pin15";
};
&pinctrl_periphs {
gpio-line-names = /* Bank GPIOZ */
"", "", "", "", "", "", "",
"", "", "", "", "", "", "",
"Eth Link LED", "Eth Activity LED",
/* Bank GPIOH */
"HDMI HPD", "HDMI SDA", "HDMI SCL",
"HDMI_5V_EN", "9J1 Header Pin2",
"Analog Audio Mute",
"2J3 Header Pin6",
"2J3 Header Pin5",
"2J3 Header Pin4",
"2J3 Header Pin3",
/* Bank BOOT */
"eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
"eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
"eMMC Clk", "eMMC Reset", "eMMC CMD",
"ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
/* Bank CARD */
"SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
"SDCard D3", "SDCard D2", "SDCard Det",
/* Bank GPIODV */
"", "", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "", "", "", "", "",
"Green LED", "VCCK Enable",
"7J1 Header Pin27", "7J1 Header Pin28",
"VCCK Regulator", "VDDEE Regulator",
/* Bank GPIOX */
"7J1 Header Pin22", "7J1 Header Pin26",
"7J1 Header Pin36", "7J1 Header Pin38",
"7J1 Header Pin40", "7J1 Header Pin37",
"7J1 Header Pin33", "7J1 Header Pin35",
"7J1 Header Pin19", "7J1 Header Pin21",
"7J1 Header Pin24", "7J1 Header Pin23",
"7J1 Header Pin8", "7J1 Header Pin10",
"7J1 Header Pin16", "7J1 Header Pin18",
"7J1 Header Pin32", "7J1 Header Pin29",
"7J1 Header Pin31",
/* Bank GPIOCLK */
"7J1 Header Pin7", "";
};
&saradc {
status = "okay";
vref-supply = <&vddio_ao18>;
};
/* SD card */
&sd_emmc_b {
status = "okay";
pinctrl-0 = <&sdcard_pins>;
pinctrl-1 = <&sdcard_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
max-frequency = <100000000>;
disable-wp;
cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
cd-inverted;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vcc_card>;
};
/* eMMC */
&sd_emmc_c {
status = "okay";
pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
pinctrl-1 = <&emmc_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <8>;
cap-mmc-highspeed;
mmc-ddr-3_3v;
max-frequency = <50000000>;
non-removable;
disable-wp;
mmc-pwrseq = <&emmc_pwrseq>;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vddio_boot>;
};
&uart_AO {
status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
};
&usb0 {
status = "okay";
};
&usb2_phy0 {
/*
* even though the schematics don't show it:
* HDMI_5V is also used as supply for the USB VBUS.
*/
phy-supply = <&hdmi_5v>;
};
|
