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
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/* Copyright (C) 2025 Toradex */
/dts-v1/;
#include "imx8mp-toradex-smarc.dtsi"
/ {
model = "Toradex SMARC iMX8M Plus on Toradex SMARC Development Board";
compatible = "toradex,smarc-imx8mp-dev",
"toradex,smarc-imx8mp",
"fsl,imx8mp";
hdmi-connector {
compatible = "hdmi-connector";
label = "J64";
type = "a";
port {
native_hdmi_connector_in: endpoint {
remote-endpoint = <&hdmi_tx_out>;
};
};
};
reg_carrier_1p8v: regulator-carrier-1p8v {
compatible = "regulator-fixed";
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <1800000>;
regulator-name = "On-carrier 1V8";
};
sound {
compatible = "simple-audio-card";
simple-audio-card,bitclock-master = <&codec_dai>;
simple-audio-card,format = "i2s";
simple-audio-card,frame-master = <&codec_dai>;
simple-audio-card,mclk-fs = <256>;
simple-audio-card,name = "tdx-smarc-wm8904";
simple-audio-card,routing =
"Headphone Jack", "HPOUTL",
"Headphone Jack", "HPOUTR",
"IN2L", "Line In Jack",
"IN2R", "Line In Jack",
"Microphone Jack", "MICBIAS",
"IN1L", "Microphone Jack";
simple-audio-card,widgets =
"Microphone", "Microphone Jack",
"Headphone", "Headphone Jack",
"Line", "Line In Jack";
codec_dai: simple-audio-card,codec {
clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1>;
sound-dai = <&wm8904_1a>;
};
simple-audio-card,cpu {
sound-dai = <&sai1>;
};
};
};
&aud2htx {
status = "okay";
};
/* SMARC SPI0 */
&ecspi1 {
status = "okay";
};
/* SMARC GBE0 */
&eqos {
status = "okay";
};
/* SMARC GBE1 */
&fec {
status = "okay";
};
/* SMARC CAN1 */
&flexcan1 {
status = "okay";
};
/* SMARC CAN0 */
&flexcan2 {
status = "okay";
};
&gpio1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio7>,
<&pinctrl_gpio8>,
<&pinctrl_gpio9>,
<&pinctrl_gpio10>,
<&pinctrl_gpio11>,
<&pinctrl_gpio12>,
<&pinctrl_gpio13>;
};
&gpio3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lvds_dsi_sel>;
};
&gpio4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio4>, <&pinctrl_gpio6>;
};
&hdmi_pvi {
status = "okay";
};
/* SMARC HDMI */
&hdmi_tx {
status = "okay";
ports {
port@1 {
hdmi_tx_out: endpoint {
remote-endpoint = <&native_hdmi_connector_in>;
};
};
};
};
&hdmi_tx_phy {
status = "okay";
};
/* SMARC I2C_LCD */
&i2c2 {
status = "okay";
i2c-mux@70 {
compatible = "nxp,pca9543";
reg = <0x70>;
#address-cells = <1>;
#size-cells = <0>;
/* I2C on DSI Connector Pins 4/6 */
i2c_dsi_0: i2c@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
};
/* I2C on DSI Connector Pins 52/54 */
i2c_dsi_1: i2c@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
};
};
};
/* SMARC I2C_CAM0 */
&i2c3 {
status = "okay";
};
/* SMARC I2C_GP */
&i2c4 {
/* Audio Codec */
wm8904_1a: audio-codec@1a {
compatible = "wlf,wm8904";
reg = <0x1a>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai1>, <&pinctrl_sai1_mclk>;
#sound-dai-cells = <0>;
clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1>;
clock-names = "mclk";
AVDD-supply = <®_carrier_1p8v>;
CPVDD-supply = <®_carrier_1p8v>;
DBVDD-supply = <®_carrier_1p8v>;
DCVDD-supply = <®_carrier_1p8v>;
MICVDD-supply = <®_carrier_1p8v>;
};
/* On-Carrier Temperature Sensor */
temperature-sensor@4f {
compatible = "ti,tmp1075";
reg = <0x4f>;
};
/* On-Carrier EEPROM */
eeprom@57 {
compatible = "st,24c02", "atmel,24c02";
reg = <0x57>;
pagesize = <16>;
};
};
/* SMARC I2C_CAM1 */
&i2c5 {
status = "okay";
};
/* SMARC I2C_PM */
&i2c6 {
clock-frequency = <100000>;
status = "okay";
/* Fan controller */
fan@18 {
compatible = "ti,amc6821";
reg = <0x18>;
};
/* Current measurement into module VDD */
hwmon@40 {
compatible = "ti,ina226";
reg = <0x40>;
shunt-resistor = <5000>;
};
};
&lcdif3 {
status = "okay";
};
/* SMARC PCIE_A, M2 Key B */
&pcie {
status = "okay";
};
&pcie_phy {
status = "okay";
};
/* SMARC LCD1_BKLT_PWM */
&pwm1 {
status = "okay";
};
/* SMARC LCD0_BKLT_PWM */
&pwm2 {
status = "okay";
};
/* SMARC I2S0 */
&sai1 {
assigned-clocks = <&clk IMX8MP_CLK_SAI1>;
assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
assigned-clock-rates = <24576000>;
fsl,sai-mclk-direction-output;
status = "okay";
};
/* SMARC HDMI Audio */
&sound_hdmi {
status = "okay";
};
/* SMARC SER0, RS485. Optional M.2 KEY E */
&uart1 {
linux,rs485-enabled-at-boot-time;
rs485-rts-active-low;
rs485-rx-during-tx;
status = "okay";
};
/* SMARC SER2 */
&uart2 {
status = "okay";
};
/* SMARC SER1, used as the Linux Console */
&uart4 {
status = "okay";
};
/* SMARC USB0 */
&usb3_0 {
status = "okay";
};
/* SMARC USB1..4 */
&usb3_1 {
status = "okay";
};
&usb3_phy0 {
status = "okay";
};
&usb3_phy1 {
status = "okay";
};
/* SMARC SDIO */
&usdhc2 {
status = "okay";
};
|
