1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include <dt-bindings/input/gpio-keys.h>
5#include <dt-bindings/input/linux-event-codes.h>
6#include <dt-bindings/mfd/max77620.h>
7
8#include "tegra210.dtsi"
9
10/ {
11	model = "NVIDIA Jetson Nano Developer Kit";
12	compatible = "nvidia,p3450-0000", "nvidia,tegra210";
13
14	aliases {
15		ethernet = "/pcie@1003000/pci@2,0/ethernet@0,0";
16		rtc0 = "/i2c@7000d000/pmic@3c";
17		rtc1 = "/rtc@7000e000";
18		serial0 = &uarta;
19	};
20
21	chosen {
22		stdout-path = "serial0:115200n8";
23	};
24
25	memory {
26		device_type = "memory";
27		reg = <0x0 0x80000000 0x1 0x0>;
28	};
29
30	pcie@1003000 {
31		status = "okay";
32
33		avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
34		hvddio-pex-supply = <&vdd_1v8>;
35		dvddio-pex-supply = <&vdd_pex_1v05>;
36		dvdd-pex-pll-supply = <&vdd_pex_1v05>;
37		hvdd-pex-pll-e-supply = <&vdd_1v8>;
38		vddio-pex-ctl-supply = <&vdd_1v8>;
39
40		pci@1,0 {
41			phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-1}>,
42			       <&{/padctl@7009f000/pads/pcie/lanes/pcie-2}>,
43			       <&{/padctl@7009f000/pads/pcie/lanes/pcie-3}>,
44			       <&{/padctl@7009f000/pads/pcie/lanes/pcie-4}>;
45			phy-names = "pcie-0", "pcie-1", "pcie-2", "pcie-3";
46			nvidia,num-lanes = <4>;
47			status = "okay";
48		};
49
50		pci@2,0 {
51			phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-0}>;
52			phy-names = "pcie-0";
53			status = "okay";
54
55			ethernet@0,0 {
56				reg = <0x000000 0 0 0 0>;
57				local-mac-address = [ 00 00 00 00 00 00 ];
58			};
59		};
60	};
61
62	host1x@50000000 {
63		dpaux@54040000 {
64			status = "okay";
65		};
66
67		sor@54580000 {
68			status = "okay";
69
70			avdd-io-supply = <&avdd_1v05>;
71			vdd-pll-supply = <&vdd_1v8>;
72			hdmi-supply = <&vdd_hdmi>;
73
74			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
75			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(CC, 1)
76					   GPIO_ACTIVE_LOW>;
77			nvidia,xbar-cfg = <0 1 2 3 4>;
78		};
79	};
80
81	gpu@57000000 {
82		vdd-supply = <&vdd_gpu>;
83		status = "okay";
84	};
85
86	/* debug port */
87	serial@70006000 {
88		status = "okay";
89	};
90
91	hdmi_ddc: i2c@7000c700 {
92		status = "okay";
93		clock-frequency = <100000>;
94	};
95
96	i2c@7000d000 {
97		status = "okay";
98		clock-frequency = <400000>;
99
100		pmic: pmic@3c {
101			compatible = "maxim,max77620";
102			reg = <0x3c>;
103			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
104
105			#interrupt-cells = <2>;
106			interrupt-controller;
107
108			#gpio-cells = <2>;
109			gpio-controller;
110
111			pinctrl-names = "default";
112			pinctrl-0 = <&max77620_default>;
113
114			max77620_default: pinmux {
115				gpio0 {
116					pins = "gpio0";
117					function = "gpio";
118				};
119
120				gpio1 {
121					pins = "gpio1";
122					function = "fps-out";
123					drive-push-pull = <1>;
124					maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
125					maxim,active-fps-power-up-slot = <0>;
126					maxim,active-fps-power-down-slot = <7>;
127				};
128
129				gpio2 {
130					pins = "gpio2";
131					function = "fps-out";
132					drive-open-drain = <1>;
133					maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
134					maxim,active-fps-power-up-slot = <0>;
135					maxim,active-fps-power-down-slot = <7>;
136				};
137
138				gpio3 {
139					pins = "gpio3";
140					function = "fps-out";
141					drive-open-drain = <1>;
142					maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
143					maxim,active-fps-power-up-slot = <4>;
144					maxim,active-fps-power-down-slot = <3>;
145				};
146
147				gpio4 {
148					pins = "gpio4";
149					function = "32k-out1";
150				};
151
152				gpio5_6_7 {
153					pins = "gpio5", "gpio6", "gpio7";
154					function = "gpio";
155					drive-push-pull = <1>;
156				};
157			};
158
159			fps {
160				fps0 {
161					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
162					maxim,suspend-fps-time-period-us = <5120>;
163				};
164
165				fps1 {
166					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN1>;
167					maxim,suspend-fps-time-period-us = <5120>;
168				};
169
170				fps2 {
171					maxim,fps-event-source = <MAX77620_FPS_EVENT_SRC_EN0>;
172				};
173			};
174
175			regulators {
176				in-ldo0-1-supply = <&vdd_pre>;
177				in-ldo2-supply = <&vdd_3v3_sys>;
178				in-ldo3-5-supply = <&vdd_1v8>;
179				in-ldo4-6-supply = <&vdd_5v0_sys>;
180				in-ldo7-8-supply = <&vdd_pre>;
181				in-sd0-supply = <&vdd_5v0_sys>;
182				in-sd1-supply = <&vdd_5v0_sys>;
183				in-sd2-supply = <&vdd_5v0_sys>;
184				in-sd3-supply = <&vdd_5v0_sys>;
185
186				vdd_soc: sd0 {
187					regulator-name = "VDD_SOC";
188					regulator-min-microvolt = <1000000>;
189					regulator-max-microvolt = <1170000>;
190					regulator-enable-ramp-delay = <146>;
191					regulator-disable-ramp-delay = <4080>;
192					regulator-ramp-delay = <27500>;
193					regulator-ramp-delay-scale = <300>;
194					regulator-always-on;
195					regulator-boot-on;
196
197					maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
198					maxim,active-fps-power-up-slot = <1>;
199					maxim,active-fps-power-down-slot = <6>;
200				};
201
202				vdd_ddr: sd1 {
203					regulator-name = "VDD_DDR_1V1_PMIC";
204					regulator-min-microvolt = <1150000>;
205					regulator-max-microvolt = <1150000>;
206					regulator-enable-ramp-delay = <176>;
207					regulator-disable-ramp-delay = <145800>;
208					regulator-ramp-delay = <27500>;
209					regulator-ramp-delay-scale = <300>;
210					regulator-always-on;
211					regulator-boot-on;
212
213					maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
214					maxim,active-fps-power-up-slot = <5>;
215					maxim,active-fps-power-down-slot = <2>;
216				};
217
218				vdd_pre: sd2 {
219					regulator-name = "VDD_PRE_REG_1V35";
220					regulator-min-microvolt = <1350000>;
221					regulator-max-microvolt = <1350000>;
222					regulator-enable-ramp-delay = <176>;
223					regulator-disable-ramp-delay = <32000>;
224					regulator-ramp-delay = <27500>;
225					regulator-ramp-delay-scale = <350>;
226					regulator-always-on;
227					regulator-boot-on;
228
229					maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
230					maxim,active-fps-power-up-slot = <2>;
231					maxim,active-fps-power-down-slot = <5>;
232				};
233
234				vdd_1v8: sd3 {
235					regulator-name = "VDD_1V8";
236					regulator-min-microvolt = <1800000>;
237					regulator-max-microvolt = <1800000>;
238					regulator-enable-ramp-delay = <242>;
239					regulator-disable-ramp-delay = <118000>;
240					regulator-ramp-delay = <27500>;
241					regulator-ramp-delay-scale = <360>;
242					regulator-always-on;
243					regulator-boot-on;
244
245					maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
246					maxim,active-fps-power-up-slot = <3>;
247					maxim,active-fps-power-down-slot = <4>;
248				};
249
250				vdd_sys_1v2: ldo0 {
251					regulator-name = "AVDD_SYS_1V2";
252					regulator-min-microvolt = <1200000>;
253					regulator-max-microvolt = <1200000>;
254					regulator-enable-ramp-delay = <26>;
255					regulator-disable-ramp-delay = <626>;
256					regulator-ramp-delay = <100000>;
257					regulator-ramp-delay-scale = <200>;
258					regulator-always-on;
259					regulator-boot-on;
260
261					maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
262					maxim,active-fps-power-up-slot = <0>;
263					maxim,active-fps-power-down-slot = <7>;
264				};
265
266				vdd_pex_1v05: ldo1 {
267					regulator-name = "VDD_PEX_1V05";
268					regulator-min-microvolt = <1050000>;
269					regulator-max-microvolt = <1050000>;
270					regulator-enable-ramp-delay = <22>;
271					regulator-disable-ramp-delay = <650>;
272					regulator-ramp-delay = <100000>;
273					regulator-ramp-delay-scale = <200>;
274
275					maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
276					maxim,active-fps-power-up-slot = <0>;
277					maxim,active-fps-power-down-slot = <7>;
278				};
279
280				vddio_sdmmc: ldo2 {
281					regulator-name = "VDDIO_SDMMC";
282					regulator-min-microvolt = <1800000>;
283					regulator-max-microvolt = <3300000>;
284					regulator-enable-ramp-delay = <62>;
285					regulator-disable-ramp-delay = <650>;
286					regulator-ramp-delay = <100000>;
287					regulator-ramp-delay-scale = <200>;
288
289					maxim,active-fps-source = <MAX77620_FPS_SRC_NONE>;
290					maxim,active-fps-power-up-slot = <0>;
291					maxim,active-fps-power-down-slot = <7>;
292				};
293
294				ldo3 {
295					status = "disabled";
296				};
297
298				vdd_rtc: ldo4 {
299					regulator-name = "VDD_RTC";
300					regulator-min-microvolt = <850000>;
301					regulator-max-microvolt = <1100000>;
302					regulator-enable-ramp-delay = <22>;
303					regulator-disable-ramp-delay = <610>;
304					regulator-ramp-delay = <100000>;
305					regulator-ramp-delay-scale = <200>;
306					regulator-disable-active-discharge;
307					regulator-always-on;
308					regulator-boot-on;
309
310					maxim,active-fps-source = <MAX77620_FPS_SRC_0>;
311					maxim,active-fps-power-up-slot = <1>;
312					maxim,active-fps-power-down-slot = <6>;
313				};
314
315				ldo5 {
316					status = "disabled";
317				};
318
319				ldo6 {
320					status = "disabled";
321				};
322
323				avdd_1v05_pll: ldo7 {
324					regulator-name = "AVDD_1V05_PLL";
325					regulator-min-microvolt = <1050000>;
326					regulator-max-microvolt = <1050000>;
327					regulator-enable-ramp-delay = <24>;
328					regulator-disable-ramp-delay = <2768>;
329					regulator-ramp-delay = <100000>;
330					regulator-ramp-delay-scale = <200>;
331
332					maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
333					maxim,active-fps-power-up-slot = <3>;
334					maxim,active-fps-power-down-slot = <4>;
335				};
336
337				avdd_1v05: ldo8 {
338					regulator-name = "AVDD_SATA_HDMI_DP_1V05";
339					regulator-min-microvolt = <1050000>;
340					regulator-max-microvolt = <1050000>;
341					regulator-enable-ramp-delay = <22>;
342					regulator-disable-ramp-delay = <1160>;
343					regulator-ramp-delay = <100000>;
344					regulator-ramp-delay-scale = <200>;
345
346					maxim,active-fps-source = <MAX77620_FPS_SRC_1>;
347					maxim,active-fps-power-up-slot = <6>;
348					maxim,active-fps-power-down-slot = <1>;
349				};
350			};
351		};
352	};
353
354	pmc@7000e400 {
355		nvidia,invert-interrupt;
356	};
357
358	hda@70030000 {
359		nvidia,model = "jetson-nano-hda";
360
361		status = "okay";
362	};
363
364	usb@70090000 {
365		phys = <&{/padctl@7009f000/pads/usb2/lanes/usb2-0}>,
366		       <&{/padctl@7009f000/pads/usb2/lanes/usb2-1}>,
367		       <&{/padctl@7009f000/pads/usb2/lanes/usb2-2}>,
368		       <&{/padctl@7009f000/pads/pcie/lanes/pcie-6}>;
369		phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0";
370
371		avdd-usb-supply = <&vdd_3v3_sys>;
372		dvddio-pex-supply = <&vdd_pex_1v05>;
373		hvddio-pex-supply = <&vdd_1v8>;
374		/* these really belong to the XUSB pad controller */
375		avdd-pll-utmip-supply = <&vdd_1v8>;
376		avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
377		dvdd-usb-ss-pll-supply = <&vdd_pex_1v05>;
378		hvdd-usb-ss-pll-e-supply = <&vdd_1v8>;
379
380		status = "okay";
381	};
382
383	padctl@7009f000 {
384		status = "okay";
385
386		avdd-pll-utmip-supply = <&vdd_1v8>;
387		avdd-pll-uerefe-supply = <&vdd_pex_1v05>;
388		dvdd-pex-pll-supply = <&vdd_pex_1v05>;
389		hvdd-pex-pll-e-supply = <&vdd_1v8>;
390
391		pads {
392			usb2 {
393				status = "okay";
394
395				lanes {
396					usb2-0 {
397						nvidia,function = "xusb";
398						status = "okay";
399					};
400
401					usb2-1 {
402						nvidia,function = "xusb";
403						status = "okay";
404					};
405
406					usb2-2 {
407						nvidia,function = "xusb";
408						status = "okay";
409					};
410				};
411			};
412
413			pcie {
414				status = "okay";
415
416				lanes {
417					pcie-0 {
418						nvidia,function = "pcie-x1";
419						status = "okay";
420					};
421
422					pcie-1 {
423						nvidia,function = "pcie-x4";
424						status = "okay";
425					};
426
427					pcie-2 {
428						nvidia,function = "pcie-x4";
429						status = "okay";
430					};
431
432					pcie-3 {
433						nvidia,function = "pcie-x4";
434						status = "okay";
435					};
436
437					pcie-4 {
438						nvidia,function = "pcie-x4";
439						status = "okay";
440					};
441
442					pcie-5 {
443						nvidia,function = "usb3-ss";
444						status = "okay";
445					};
446
447					pcie-6 {
448						nvidia,function = "usb3-ss";
449						status = "okay";
450					};
451				};
452			};
453		};
454
455		ports {
456			usb2-0 {
457				status = "okay";
458				mode = "otg";
459			};
460
461			usb2-1 {
462				status = "okay";
463				mode = "host";
464			};
465
466			usb2-2 {
467				status = "okay";
468				mode = "host";
469			};
470
471			usb3-0 {
472				status = "okay";
473				nvidia,usb2-companion = <1>;
474				vbus-supply = <&vdd_hub_3v3>;
475			};
476		};
477	};
478
479	sdhci@700b0000 {
480		status = "okay";
481		bus-width = <4>;
482
483		cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
484
485		vqmmc-supply = <&vddio_sdmmc>;
486		vmmc-supply = <&vdd_3v3_sd>;
487	};
488
489	clocks {
490		compatible = "simple-bus";
491		#address-cells = <1>;
492		#size-cells = <0>;
493
494		clk32k_in: clock@0 {
495			compatible = "fixed-clock";
496			reg = <0>;
497			#clock-cells = <0>;
498			clock-frequency = <32768>;
499		};
500	};
501
502	cpus {
503		cpu@0 {
504			enable-method = "psci";
505		};
506
507		cpu@1 {
508			enable-method = "psci";
509		};
510
511		cpu@2 {
512			enable-method = "psci";
513		};
514
515		cpu@3 {
516			enable-method = "psci";
517		};
518	};
519
520	gpio-keys {
521		compatible = "gpio-keys";
522
523		power {
524			label = "Power";
525			gpios = <&gpio TEGRA_GPIO(X, 5) GPIO_ACTIVE_LOW>;
526			linux,input-type = <EV_KEY>;
527			linux,code = <KEY_POWER>;
528			debounce-interval = <30>;
529			wakeup-event-action = <EV_ACT_ASSERTED>;
530			wakeup-source;
531		};
532
533		force-recovery {
534			label = "Force Recovery";
535			gpios = <&gpio TEGRA_GPIO(X, 6) GPIO_ACTIVE_LOW>;
536			linux,input-type = <EV_KEY>;
537			linux,code = <BTN_1>;
538			debounce-interval = <30>;
539		};
540	};
541
542	psci {
543		compatible = "arm,psci-1.0";
544		method = "smc";
545	};
546
547	regulators {
548		compatible = "simple-bus";
549		#address-cells = <1>;
550		#size-cells = <0>;
551
552		vdd_5v0_sys: regulator@0 {
553			compatible = "regulator-fixed";
554			reg = <0>;
555
556			regulator-name = "VDD_5V0_SYS";
557			regulator-min-microvolt = <5000000>;
558			regulator-max-microvolt = <5000000>;
559			regulator-always-on;
560			regulator-boot-on;
561		};
562
563		vdd_3v3_sys: regulator@1 {
564			compatible = "regulator-fixed";
565			reg = <1>;
566			regulator-name = "VDD_3V3_SYS";
567			regulator-min-microvolt = <3300000>;
568			regulator-max-microvolt = <3300000>;
569			regulator-enable-ramp-delay = <240>;
570			regulator-disable-ramp-delay = <11340>;
571			regulator-always-on;
572			regulator-boot-on;
573
574			gpio = <&pmic 3 GPIO_ACTIVE_HIGH>;
575			enable-active-high;
576
577			vin-supply = <&vdd_5v0_sys>;
578		};
579
580		vdd_3v3_sd: regulator@2 {
581			compatible = "regulator-fixed";
582			reg = <2>;
583
584			regulator-name = "VDD_3V3_SD";
585			regulator-min-microvolt = <3300000>;
586			regulator-max-microvolt = <3300000>;
587
588			gpio = <&gpio TEGRA_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
589			enable-active-high;
590
591			vin-supply = <&vdd_3v3_sys>;
592		};
593
594		vdd_hdmi: regulator@3 {
595			compatible = "regulator-fixed";
596			reg = <3>;
597
598			regulator-name = "VDD_HDMI_5V0";
599			regulator-min-microvolt = <5000000>;
600			regulator-max-microvolt = <5000000>;
601
602			vin-supply = <&vdd_5v0_sys>;
603		};
604
605		vdd_hub_3v3: regulator@4 {
606			compatible = "regulator-fixed";
607			reg = <4>;
608
609			regulator-name = "VDD_HUB_3V3";
610			regulator-min-microvolt = <3300000>;
611			regulator-max-microvolt = <3300000>;
612
613			gpio = <&gpio TEGRA_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
614			enable-active-high;
615
616			vin-supply = <&vdd_5v0_sys>;
617		};
618
619		vdd_cpu: regulator@5 {
620			compatible = "regulator-fixed";
621			reg = <5>;
622
623			regulator-name = "VDD_CPU";
624			regulator-min-microvolt = <5000000>;
625			regulator-max-microvolt = <5000000>;
626			regulator-always-on;
627			regulator-boot-on;
628
629			gpio = <&pmic 5 GPIO_ACTIVE_HIGH>;
630			enable-active-high;
631
632			vin-supply = <&vdd_5v0_sys>;
633		};
634
635		vdd_gpu: regulator@6 {
636			compatible = "regulator-fixed";
637			reg = <6>;
638
639			regulator-name = "VDD_GPU";
640			regulator-min-microvolt = <5000000>;
641			regulator-max-microvolt = <5000000>;
642			regulator-enable-ramp-delay = <250>;
643
644			gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
645			enable-active-high;
646
647			vin-supply = <&vdd_5v0_sys>;
648		};
649	};
650};
651