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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 pwm-a-b {
74 nvidia,tristate = <TEGRA_PIN_DISABLE>;
75 };
76
77 pwm-c-d {
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 status = "okay";
106 };
107
108 /* Colibri UART-C */
109 serial@70006040 {
110 status = "okay";
111 };
112
113 /* Colibri UART-B */
114 serial@70006300 {
115 status = "okay";
116 };
117
118 pwm@7000a000 {
119 status = "okay";
120 };
121
122 /*
123 * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
124 * board)
125 */
126 i2c@7000c000 {
127 status = "okay";
128 clock-frequency = <400000>;
129
130 /* M41T0M6 real time clock on carrier board */
131 rtc@68 {
132 compatible = "st,m41t0";
133 reg = <0x68>;
134 };
135 };
136
137 /* GEN2_I2C: unused */
138
139 /* CAM_I2C (I2C3): unused */
140
141 /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
142 i2c@7000c400 {
143 status = "okay";
144 };
145
146 /* EHCI instance 0: USB1_DP/N -> USBC_P/N */
147 usb@c5000000 {
148 status = "okay";
149 dr_mode = "otg";
150 };
151
152 usb-phy@c5000000 {
153 status = "okay";
154 vbus-supply = <®_usbc_vbus>;
155 };
156
157 /* EHCI instance 2: USB3_DP/N -> USBH_P/N */
158 usb@c5008000 {
159 status = "okay";
160 };
161
162 usb-phy@c5008000 {
163 status = "okay";
164 vbus-supply = <®_usbh_vbus>;
165 };
166
167 /* SPI4: Colibri SSP */
168 spi@7000da00 {
169 status = "okay";
170 spi-max-frequency = <25000000>;
171
172 can@0 {
173 compatible = "microchip,mcp2515";
174 reg = <0>;
175 clocks = <&clk16m>;
176 interrupt-parent = <&gpio>;
177 /* CAN_INT */
178 interrupts = <TEGRA_GPIO(A, 0) IRQ_TYPE_EDGE_FALLING>;
179 spi-max-frequency = <10000000>;
180 vdd-supply = <®_3v3>;
181 xceiver-supply = <®_5v0>;
182 };
183 };
184
185 /* SD/MMC */
186 mmc@c8000600 {
187 status = "okay";
188 bus-width = <4>;
189 cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
190 no-1-8-v;
191 };
192
193 backlight: backlight {
194 compatible = "pwm-backlight";
195 brightness-levels = <255 128 64 32 16 8 4 0>;
196 default-brightness-level = <6>;
197 /* BL_ON */
198 enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
199 power-supply = <®_3v3>;
200 pwms = <&pwm 0 5000000>; /* PWM<A> */
201 };
202
203 clk16m: osc3 {
204 compatible = "fixed-clock";
205 #clock-cells = <0>;
206 clock-frequency = <16000000>;
207 };
208
209 gpio-keys {
210 compatible = "gpio-keys";
211
212 wakeup {
213 label = "SODIMM pin 45 wakeup";
214 gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
215 linux,code = <KEY_WAKEUP>;
216 debounce-interval = <10>;
217 wakeup-source;
218 };
219 };
220
221 panel: panel {
222 /*
223 * edt,et057090dhu: EDT 5.7" LCD TFT
224 * edt,et070080dh6: EDT 7.0" LCD TFT
225 */
226 compatible = "edt,et057090dhu";
227 backlight = <&backlight>;
228 power-supply = <®_3v3>;
229 };
230
231 reg_3v3: regulator-3v3 {
232 compatible = "regulator-fixed";
233 regulator-name = "3.3V_SW";
234 regulator-min-microvolt = <3300000>;
235 regulator-max-microvolt = <3300000>;
236 };
237
238 reg_5v0: regulator-5v0 {
239 compatible = "regulator-fixed";
240 regulator-name = "5V_SW";
241 regulator-min-microvolt = <5000000>;
242 regulator-max-microvolt = <5000000>;
243 };
244
245 reg_usbc_vbus: regulator-usbc-vbus {
246 compatible = "regulator-fixed";
247 regulator-name = "VCC_USB5";
248 regulator-min-microvolt = <5000000>;
249 regulator-max-microvolt = <5000000>;
250 vin-supply = <®_5v0>;
251 };
252
253 /* USBH_PEN resp. USB_P_EN */
254 reg_usbh_vbus: regulator-usbh-vbus {
255 compatible = "regulator-fixed";
256 regulator-name = "VCC_USB[1-4]";
257 regulator-min-microvolt = <5000000>;
258 regulator-max-microvolt = <5000000>;
259 gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
260 vin-supply = <®_5v0>;
261 };
262};