xref: /freebsd/sys/contrib/device-tree/src/arm/nvidia/tegra20-colibri-eval-v3.dts (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c) 
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 = <&reg_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		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	/* SPI4: Colibri SSP */
147	spi@7000da00 {
148		status = "okay";
149		spi-max-frequency = <25000000>;
150
151		can@0 {
152			compatible = "microchip,mcp2515";
153			reg = <0>;
154			clocks = <&clk16m>;
155			interrupt-parent = <&gpio>;
156			/* CAN_INT */
157			interrupts = <TEGRA_GPIO(A, 0) IRQ_TYPE_EDGE_FALLING>;
158			spi-max-frequency = <10000000>;
159			vdd-supply = <&reg_3v3>;
160			xceiver-supply = <&reg_5v0>;
161		};
162	};
163
164	/* EHCI instance 0: USB1_DP/N -> USBC_P/N */
165	usb@c5000000 {
166		status = "okay";
167		dr_mode = "otg";
168	};
169
170	usb-phy@c5000000 {
171		status = "okay";
172		vbus-supply = <&reg_usbc_vbus>;
173	};
174
175	/* EHCI instance 2: USB3_DP/N -> USBH_P/N */
176	usb@c5008000 {
177		status = "okay";
178	};
179
180	usb-phy@c5008000 {
181		status = "okay";
182		vbus-supply = <&reg_usbh_vbus>;
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 = <&reg_3v3>;
200		pwms = <&pwm 0 5000000>; /* PWM<A> */
201	};
202
203	clk16m: clock-osc3 {
204		compatible = "fixed-clock";
205		#clock-cells = <0>;
206		clock-frequency = <16000000>;
207	};
208
209	gpio-keys {
210		compatible = "gpio-keys";
211
212		key-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 = <&reg_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 = <&reg_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 = <&reg_5v0>;
261	};
262};
263