tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include <dt-bindings/input/linux-event-codes.h>
5#include <dt-bindings/input/gpio-keys.h>
6
7#include "tegra186-p3310.dtsi"
8
9/ {
10 model = "NVIDIA Jetson TX2 Developer Kit";
11 compatible = "nvidia,p2771-0000", "nvidia,tegra186";
12
13 i2c@3160000 {
14 power-monitor@42 {
15 compatible = "ti,ina3221";
16 reg = <0x42>;
17 #address-cells = <1>;
18 #size-cells = <0>;
19
20 channel@0 {
21 reg = <0x0>;
22 label = "VDD_MUX";
23 shunt-resistor-micro-ohms = <20000>;
24 };
25
26 channel@1 {
27 reg = <0x1>;
28 label = "VDD_5V0_IO_SYS";
29 shunt-resistor-micro-ohms = <5000>;
30 };
31
32 channel@2 {
33 reg = <0x2>;
34 label = "VDD_3V3_SYS";
35 shunt-resistor-micro-ohms = <10000>;
36 };
37 };
38
39 power-monitor@43 {
40 compatible = "ti,ina3221";
41 reg = <0x43>;
42 #address-cells = <1>;
43 #size-cells = <0>;
44
45 channel@0 {
46 reg = <0x0>;
47 label = "VDD_3V3_IO_SLP";
48 shunt-resistor-micro-ohms = <10000>;
49 };
50
51 channel@1 {
52 reg = <0x1>;
53 label = "VDD_1V8_IO";
54 shunt-resistor-micro-ohms = <10000>;
55 };
56
57 channel@2 {
58 reg = <0x2>;
59 label = "VDD_M2_IN";
60 shunt-resistor-micro-ohms = <10000>;
61 };
62 };
63
64 exp1: gpio@74 {
65 compatible = "ti,tca9539";
66 reg = <0x74>;
67
68 interrupt-parent = <&gpio>;
69 interrupts = <TEGRA186_MAIN_GPIO(Y, 0)
70 GPIO_ACTIVE_LOW>;
71
72 #gpio-cells = <2>;
73 gpio-controller;
74
75 vcc-supply = <&vdd_3v3_sys>;
76 };
77
78 exp2: gpio@77 {
79 compatible = "ti,tca9539";
80 reg = <0x77>;
81
82 interrupt-parent = <&gpio>;
83 interrupts = <TEGRA186_MAIN_GPIO(Y, 6)
84 GPIO_ACTIVE_LOW>;
85
86 #gpio-cells = <2>;
87 gpio-controller;
88
89 vcc-supply = <&vdd_1v8>;
90 };
91 };
92
93 /* SDMMC1 (SD/MMC) */
94 mmc@3400000 {
95 status = "okay";
96
97 vmmc-supply = <&vdd_sd>;
98 };
99
100 hda@3510000 {
101 nvidia,model = "jetson-tx2-hda";
102 status = "okay";
103 };
104
105 padctl@3520000 {
106 status = "okay";
107
108 avdd-pll-erefeut-supply = <&vdd_1v8_pll>;
109 avdd-usb-supply = <&vdd_3v3_sys>;
110 vclamp-usb-supply = <&vdd_1v8>;
111 vddio-hsic-supply = <&gnd>;
112
113 pads {
114 usb2 {
115 status = "okay";
116
117 lanes {
118 micro_b: usb2-0 {
119 nvidia,function = "xusb";
120 status = "okay";
121 };
122
123 usb2-1 {
124 nvidia,function = "xusb";
125 status = "okay";
126 };
127
128 usb2-2 {
129 nvidia,function = "xusb";
130 status = "okay";
131 };
132 };
133 };
134
135 usb3 {
136 status = "okay";
137
138 lanes {
139 usb3-0 {
140 nvidia,function = "xusb";
141 status = "okay";
142 };
143
144 usb3-1 {
145 nvidia,function = "xusb";
146 status = "okay";
147 };
148
149 usb3-2 {
150 nvidia,function = "xusb";
151 status = "okay";
152 };
153 };
154 };
155 };
156
157 ports {
158 usb2-0 {
159 status = "okay";
160 mode = "otg";
161 vbus-supply = <&vdd_usb0>;
162 usb-role-switch;
163
164 connector {
165 compatible = "gpio-usb-b-connector",
166 "usb-b-connector";
167 label = "micro-USB";
168 type = "micro";
169 vbus-gpios = <&gpio
170 TEGRA186_MAIN_GPIO(X, 7)
171 GPIO_ACTIVE_LOW>;
172 id-gpios = <&pmic 0 GPIO_ACTIVE_HIGH>;
173 };
174 };
175
176 usb2-1 {
177 status = "okay";
178 mode = "host";
179
180 vbus-supply = <&vdd_usb1>;
181 };
182
183 usb3-0 {
184 nvidia,usb2-companion = <1>;
185 vbus-supply = <&vdd_usb1>;
186 status = "okay";
187 };
188 };
189 };
190
191 usb@3530000 {
192 status = "okay";
193
194 phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>,
195 <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>,
196 <&{/padctl@3520000/pads/usb3/lanes/usb3-0}>;
197 phy-names = "usb2-0", "usb2-1", "usb3-0";
198 };
199
200 usb@3550000 {
201 status = "okay";
202
203 phys = <µ_b>;
204 phy-names = "usb2-0";
205 };
206
207 i2c@c250000 {
208 /* carrier board ID EEPROM */
209 eeprom@57 {
210 compatible = "atmel,24c02";
211 reg = <0x57>;
212
213 label = "system";
214 vcc-supply = <&vdd_1v8>;
215 address-width = <8>;
216 pagesize = <8>;
217 size = <256>;
218 read-only;
219 };
220 };
221
222 pcie@10003000 {
223 status = "okay";
224
225 dvdd-pex-supply = <&vdd_pex>;
226 hvdd-pex-pll-supply = <&vdd_1v8>;
227 hvdd-pex-supply = <&vdd_1v8>;
228 vddio-pexctl-aud-supply = <&vdd_1v8>;
229
230 pci@1,0 {
231 nvidia,num-lanes = <4>;
232 status = "okay";
233 };
234
235 pci@2,0 {
236 nvidia,num-lanes = <0>;
237 status = "disabled";
238 };
239
240 pci@3,0 {
241 nvidia,num-lanes = <1>;
242 status = "disabled";
243 };
244 };
245
246 host1x@13e00000 {
247 status = "okay";
248
249 dpaux@15040000 {
250 status = "okay";
251 };
252
253 display-hub@15200000 {
254 status = "okay";
255 };
256
257 dsi@15300000 {
258 status = "disabled";
259 };
260
261 /* DP on E3320 */
262 sor@15540000 {
263 status = "okay";
264
265 avdd-io-hdmi-dp-supply = <&vdd_hdmi_1v05>;
266 vdd-hdmi-dp-pll-supply = <&vdd_1v8_ap>;
267
268 nvidia,dpaux = <&dpaux>;
269 };
270
271 sor@15580000 {
272 status = "okay";
273
274 avdd-io-hdmi-dp-supply = <&vdd_hdmi_1v05>;
275 vdd-hdmi-dp-pll-supply = <&vdd_1v8_ap>;
276 hdmi-supply = <&vdd_hdmi>;
277
278 nvidia,ddc-i2c-bus = <&ddc>;
279 nvidia,hpd-gpio = <&gpio TEGRA186_MAIN_GPIO(P, 1)
280 GPIO_ACTIVE_LOW>;
281 };
282
283 dpaux@155c0000 {
284 status = "okay";
285 };
286 };
287
288 gpio-keys {
289 compatible = "gpio-keys";
290
291 power {
292 label = "Power";
293 gpios = <&gpio_aon TEGRA186_AON_GPIO(FF, 0)
294 GPIO_ACTIVE_LOW>;
295 linux,input-type = <EV_KEY>;
296 linux,code = <KEY_POWER>;
297 debounce-interval = <10>;
298 wakeup-event-action = <EV_ACT_ASSERTED>;
299 wakeup-source;
300 };
301
302 volume-up {
303 label = "Volume Up";
304 gpios = <&gpio_aon TEGRA186_AON_GPIO(FF, 1)
305 GPIO_ACTIVE_LOW>;
306 linux,input-type = <EV_KEY>;
307 linux,code = <KEY_VOLUMEUP>;
308 debounce-interval = <10>;
309 };
310
311 volume-down {
312 label = "Volume Down";
313 gpios = <&gpio_aon TEGRA186_AON_GPIO(FF, 2)
314 GPIO_ACTIVE_LOW>;
315 linux,input-type = <EV_KEY>;
316 linux,code = <KEY_VOLUMEDOWN>;
317 debounce-interval = <10>;
318 };
319 };
320
321 vdd_sd: regulator@100 {
322 compatible = "regulator-fixed";
323 regulator-name = "SD_CARD_SW_PWR";
324 regulator-min-microvolt = <3300000>;
325 regulator-max-microvolt = <3300000>;
326
327 gpio = <&gpio TEGRA186_MAIN_GPIO(P, 6) GPIO_ACTIVE_HIGH>;
328 enable-active-high;
329
330 vin-supply = <&vdd_3v3_sys>;
331 };
332
333 vdd_hdmi: regulator@101 {
334 compatible = "regulator-fixed";
335 regulator-name = "VDD_HDMI_5V0";
336 regulator-min-microvolt = <5000000>;
337 regulator-max-microvolt = <5000000>;
338
339 gpio = <&exp1 14 GPIO_ACTIVE_HIGH>;
340 enable-active-high;
341
342 vin-supply = <&vdd_5v0_sys>;
343 };
344
345 vdd_usb0: regulator@102 {
346 compatible = "regulator-fixed";
347 regulator-name = "VDD_USB0";
348 regulator-min-microvolt = <5000000>;
349 regulator-max-microvolt = <5000000>;
350
351 gpio = <&gpio TEGRA186_MAIN_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
352 enable-active-high;
353
354 vin-supply = <&vdd_5v0_sys>;
355 };
356
357 vdd_usb1: regulator@103 {
358 compatible = "regulator-fixed";
359 regulator-name = "VDD_USB1";
360 regulator-min-microvolt = <5000000>;
361 regulator-max-microvolt = <5000000>;
362
363 gpio = <&gpio TEGRA186_MAIN_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
364 enable-active-high;
365
366 vin-supply = <&vdd_5v0_sys>;
367 };
368};