1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /dts-v1/;
3
4 #include <dt-bindings/input/input.h>
5 #include "tegra20-colibri.dtsi"
6
7 / {
8 model = "Toradex Colibri T20 on Colibri Evaluation Board";
9 compatible = "toradex,colibri_t20-eval-v3", "toradex,colibri_t20",
10 "nvidia,tegra20";
11
12 aliases {
13 rtc0 = "/i2c@7000c000/rtc@68";
14 rtc1 = "/i2c@7000d000/pmic@34";
15 rtc2 = "/rtc@7000e000";
16 serial0 = &uarta;
17 serial1 = &uartd;
18 serial2 = &uartb;
19 };
20
21 chosen {
22 stdout-path = "serial0:115200n8";
23 };
24
25 host1x@50000000 {
26 dc@54200000 {
27 rgb {
28 status = "okay";
29 nvidia,panel = <&panel>;
30 };
31 };
32
33 hdmi@54280000 {
34 status = "okay";
35 hdmi-supply = <®_5v0>;
36 };
37 };
38
39 pinmux@70000014 {
40 state_default: pinmux {
41 bl-on {
42 nvidia,tristate = <TEGRA_PIN_DISABLE>;
43 };
44
45 ddc {
46 nvidia,tristate = <TEGRA_PIN_DISABLE>;
47 };
48
49 hotplug-detect {
50 nvidia,tristate = <TEGRA_PIN_DISABLE>;
51 };
52
53 i2c {
54 nvidia,tristate = <TEGRA_PIN_DISABLE>;
55 };
56
57 lcd {
58 nvidia,tristate = <TEGRA_PIN_DISABLE>;
59 };
60
61 lm1 {
62 nvidia,tristate = <TEGRA_PIN_DISABLE>;
63 };
64
65 mmc {
66 nvidia,tristate = <TEGRA_PIN_DISABLE>;
67 };
68
69 mmccd {
70 nvidia,tristate = <TEGRA_PIN_DISABLE>;
71 };
72
73 sdc {
74 nvidia,tristate = <TEGRA_PIN_DISABLE>;
75 };
76
77 sdb_sdd {
78 nvidia,tristate = <TEGRA_PIN_DISABLE>;
79 };
80
81 ssp {
82 nvidia,tristate = <TEGRA_PIN_DISABLE>;
83 };
84
85 uart-a {
86 nvidia,tristate = <TEGRA_PIN_DISABLE>;
87 };
88
89 uart-b {
90 nvidia,tristate = <TEGRA_PIN_DISABLE>;
91 };
92
93 uart-c {
94 nvidia,tristate = <TEGRA_PIN_DISABLE>;
95 };
96
97 usbh-pen {
98 nvidia,tristate = <TEGRA_PIN_DISABLE>;
99 };
100 };
101 };
102
103 /* Colibri UART-A */
104 serial@70006000 {
105 /delete-property/ dmas;
106 /delete-property/ dma-names;
107 status = "okay";
108 };
109
110 /* Colibri UART-C */
111 serial@70006040 {
112 status = "okay";
113 };
114
115 /* Colibri UART-B */
116 serial@70006300 {
117 status = "okay";
118 };
119
120 pwm@7000a000 {
121 status = "okay";
122 };
123
124 /*
125 * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
126 * board)
127 */
128 i2c@7000c000 {
129 status = "okay";
130 clock-frequency = <400000>;
131
132 /* M41T0M6 real time clock on carrier board */
133 rtc@68 {
134 compatible = "st,m41t0";
135 reg = <0x68>;
136 };
137 };
138
139 /* GEN2_I2C: unused */
140
141 /* CAM_I2C (I2C3): unused */
142
143 /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
144 i2c@7000c400 {
145 status = "okay";
146 };
147
148 /* SPI4: Colibri SSP */
149 spi@7000da00 {
150 status = "okay";
151 spi-max-frequency = <25000000>;
152
153 can@0 {
154 compatible = "microchip,mcp2515";
155 reg = <0>;
156 clocks = <&clk16m>;
157 interrupt-parent = <&gpio>;
158 /* CAN_INT */
159 interrupts = <TEGRA_GPIO(A, 0) IRQ_TYPE_EDGE_FALLING>;
160 spi-max-frequency = <10000000>;
161 vdd-supply = <®_3v3>;
162 xceiver-supply = <®_5v0>;
163 };
164 };
165
166 /* EHCI instance 0: USB1_DP/N -> USBC_P/N */
167 usb@c5000000 {
168 status = "okay";
169 dr_mode = "otg";
170 };
171
172 usb-phy@c5000000 {
173 status = "okay";
174 vbus-supply = <®_usbc_vbus>;
175 };
176
177 /* EHCI instance 2: USB3_DP/N -> USBH_P/N */
178 usb@c5008000 {
179 status = "okay";
180 };
181
182 usb-phy@c5008000 {
183 status = "okay";
184 vbus-supply = <®_usbh_vbus>;
185 };
186
187 /* SD/MMC */
188 mmc@c8000600 {
189 status = "okay";
190 bus-width = <4>;
191 cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
192 no-1-8-v;
193 };
194
195 backlight: backlight {
196 compatible = "pwm-backlight";
197 brightness-levels = <255 128 64 32 16 8 4 0>;
198 default-brightness-level = <6>;
199 /* BL_ON */
200 enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
201 power-supply = <®_3v3>;
202 pwms = <&pwm 0 5000000>; /* PWM<A> */
203 };
204
205 clk16m: clock-osc3 {
206 compatible = "fixed-clock";
207 #clock-cells = <0>;
208 clock-frequency = <16000000>;
209 };
210
211 gpio-keys {
212 compatible = "gpio-keys";
213
214 key-wakeup {
215 label = "SODIMM pin 45 wakeup";
216 gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
217 linux,code = <KEY_WAKEUP>;
218 debounce-interval = <10>;
219 wakeup-source;
220 };
221 };
222
223 panel: panel {
224 /*
225 * edt,et057090dhu: EDT 5.7" LCD TFT
226 * edt,et070080dh6: EDT 7.0" LCD TFT
227 */
228 compatible = "edt,et057090dhu";
229 backlight = <&backlight>;
230 power-supply = <®_3v3>;
231 };
232
233 reg_3v3: regulator-3v3 {
234 compatible = "regulator-fixed";
235 regulator-name = "3.3V_SW";
236 regulator-min-microvolt = <3300000>;
237 regulator-max-microvolt = <3300000>;
238 };
239
240 reg_5v0: regulator-5v0 {
241 compatible = "regulator-fixed";
242 regulator-name = "5V_SW";
243 regulator-min-microvolt = <5000000>;
244 regulator-max-microvolt = <5000000>;
245 };
246
247 reg_usbc_vbus: regulator-usbc-vbus {
248 compatible = "regulator-fixed";
249 regulator-name = "VCC_USB5";
250 regulator-min-microvolt = <5000000>;
251 regulator-max-microvolt = <5000000>;
252 vin-supply = <®_5v0>;
253 };
254
255 /* USBH_PEN resp. USB_P_EN */
256 reg_usbh_vbus: regulator-usbh-vbus {
257 compatible = "regulator-fixed";
258 regulator-name = "VCC_USB[1-4]";
259 regulator-min-microvolt = <5000000>;
260 regulator-max-microvolt = <5000000>;
261 gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
262 vin-supply = <®_5v0>;
263 };
264 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.