27b0baab2781717ddbaf2a9128666275f4bb6ef0
[platform/kernel/u-boot.git] / arch / sandbox / dts / test.dts
1 /dts-v1/;
2
3 / {
4         model = "sandbox";
5         compatible = "sandbox";
6         #address-cells = <1>;
7         #size-cells = <1>;
8
9         aliases {
10                 console = &uart0;
11                 eth0 = "/eth@10002000";
12                 eth3 = &eth_3;
13                 eth5 = &eth_5;
14                 gpio1 = &gpio_a;
15                 gpio2 = &gpio_b;
16                 i2c0 = "/i2c@0";
17                 mmc0 = "/mmc0";
18                 mmc1 = "/mmc1";
19                 pci0 = &pci0;
20                 pci1 = &pci1;
21                 pci2 = &pci2;
22                 remoteproc1 = &rproc_1;
23                 remoteproc2 = &rproc_2;
24                 rtc0 = &rtc_0;
25                 rtc1 = &rtc_1;
26                 spi0 = "/spi@0";
27                 testfdt6 = "/e-test";
28                 testbus3 = "/some-bus";
29                 testfdt0 = "/some-bus/c-test@0";
30                 testfdt1 = "/some-bus/c-test@1";
31                 testfdt3 = "/b-test";
32                 testfdt5 = "/some-bus/c-test@5";
33                 testfdt8 = "/a-test";
34                 fdt-dummy0 = "/translation-test@8000/dev@0,0";
35                 fdt-dummy1 = "/translation-test@8000/dev@1,100";
36                 fdt-dummy2 = "/translation-test@8000/dev@2,200";
37                 fdt-dummy3 = "/translation-test@8000/noxlatebus@3,300/dev@42";
38                 usb0 = &usb_0;
39                 usb1 = &usb_1;
40                 usb2 = &usb_2;
41                 axi0 = &axi;
42                 osd0 = "/osd";
43         };
44
45         audio: audio-codec {
46                 compatible = "sandbox,audio-codec";
47                 #sound-dai-cells = <1>;
48         };
49
50         cros_ec: cros-ec {
51                 reg = <0 0>;
52                 compatible = "google,cros-ec-sandbox";
53
54                 /*
55                  * This describes the flash memory within the EC. Note
56                  * that the STM32L flash erases to 0, not 0xff.
57                  */
58                 flash {
59                         image-pos = <0x08000000>;
60                         size = <0x20000>;
61                         erase-value = <0>;
62
63                         /* Information for sandbox */
64                         ro {
65                                 image-pos = <0>;
66                                 size = <0xf000>;
67                         };
68                         wp-ro {
69                                 image-pos = <0xf000>;
70                                 size = <0x1000>;
71                         };
72                         rw {
73                                 image-pos = <0x10000>;
74                                 size = <0x10000>;
75                         };
76                 };
77         };
78
79         a-test {
80                 reg = <0 1>;
81                 compatible = "denx,u-boot-fdt-test";
82                 ping-expect = <0>;
83                 ping-add = <0>;
84                 u-boot,dm-pre-reloc;
85                 test-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 5 0 3 2 1>,
86                         <0>, <&gpio_a 12>;
87                 test2-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 6 1 3 2 1>,
88                         <&gpio_b 7 2 3 2 1>, <&gpio_b 8 4 3 2 1>,
89                         <&gpio_b 9 0xc 3 2 1>;
90                 int-value = <1234>;
91                 uint-value = <(-1234)>;
92         };
93
94         junk {
95                 reg = <1 1>;
96                 compatible = "not,compatible";
97         };
98
99         no-compatible {
100                 reg = <2 1>;
101         };
102
103         backlight: backlight {
104                 compatible = "pwm-backlight";
105                 enable-gpios = <&gpio_a 1>;
106                 power-supply = <&ldo_1>;
107                 pwms = <&pwm 0 1000>;
108                 default-brightness-level = <5>;
109                 brightness-levels = <0 16 32 64 128 170 202 234 255>;
110         };
111
112         bind-test {
113                 bind-test-child1 {
114                         compatible = "sandbox,phy";
115                         #phy-cells = <1>;
116                 };
117
118                 bind-test-child2 {
119                         compatible = "simple-bus";
120                 };
121         };
122
123         b-test {
124                 reg = <3 1>;
125                 compatible = "denx,u-boot-fdt-test";
126                 ping-expect = <3>;
127                 ping-add = <3>;
128         };
129
130         phy_provider0: gen_phy@0 {
131                 compatible = "sandbox,phy";
132                 #phy-cells = <1>;
133         };
134
135         phy_provider1: gen_phy@1 {
136                 compatible = "sandbox,phy";
137                 #phy-cells = <0>;
138                 broken;
139         };
140
141         gen_phy_user: gen_phy_user {
142                 compatible = "simple-bus";
143                 phys = <&phy_provider0 0>, <&phy_provider0 1>, <&phy_provider1>;
144                 phy-names = "phy1", "phy2", "phy3";
145         };
146
147         some-bus {
148                 #address-cells = <1>;
149                 #size-cells = <0>;
150                 compatible = "denx,u-boot-test-bus";
151                 reg = <3 1>;
152                 ping-expect = <4>;
153                 ping-add = <4>;
154                 c-test@5 {
155                         compatible = "denx,u-boot-fdt-test";
156                         reg = <5>;
157                         ping-expect = <5>;
158                         ping-add = <5>;
159                 };
160                 c-test@0 {
161                         compatible = "denx,u-boot-fdt-test";
162                         reg = <0>;
163                         ping-expect = <6>;
164                         ping-add = <6>;
165                 };
166                 c-test@1 {
167                         compatible = "denx,u-boot-fdt-test";
168                         reg = <1>;
169                         ping-expect = <7>;
170                         ping-add = <7>;
171                 };
172         };
173
174         d-test {
175                 reg = <3 1>;
176                 ping-expect = <6>;
177                 ping-add = <6>;
178                 compatible = "google,another-fdt-test";
179         };
180
181         e-test {
182                 reg = <3 1>;
183                 ping-expect = <6>;
184                 ping-add = <6>;
185                 compatible = "google,another-fdt-test";
186         };
187
188         f-test {
189                 compatible = "denx,u-boot-fdt-test";
190         };
191
192         g-test {
193                 compatible = "denx,u-boot-fdt-test";
194         };
195
196         h-test {
197                 compatible = "denx,u-boot-fdt-test1";
198         };
199
200         clocks {
201                 clk_fixed: clk-fixed {
202                         compatible = "fixed-clock";
203                         #clock-cells = <0>;
204                         clock-frequency = <1234>;
205                 };
206
207                 clk_fixed_factor: clk-fixed-factor {
208                         compatible = "fixed-factor-clock";
209                         #clock-cells = <0>;
210                         clock-div = <3>;
211                         clock-mult = <2>;
212                         clocks = <&clk_fixed>;
213                 };
214
215                 osc {
216                         compatible = "fixed-clock";
217                         #clock-cells = <0>;
218                         clock-frequency = <20000000>;
219                 };
220         };
221
222         clk_sandbox: clk-sbox {
223                 compatible = "sandbox,clk";
224                 #clock-cells = <1>;
225         };
226
227         clk-test {
228                 compatible = "sandbox,clk-test";
229                 clocks = <&clk_fixed>,
230                          <&clk_sandbox 1>,
231                          <&clk_sandbox 0>;
232                 clock-names = "fixed", "i2c", "spi";
233         };
234
235         ccf: clk-ccf {
236                 compatible = "sandbox,clk-ccf";
237         };
238
239         eth@10002000 {
240                 compatible = "sandbox,eth";
241                 reg = <0x10002000 0x1000>;
242                 fake-host-hwaddr = [00 00 66 44 22 00];
243         };
244
245         eth_5: eth@10003000 {
246                 compatible = "sandbox,eth";
247                 reg = <0x10003000 0x1000>;
248                 fake-host-hwaddr = [00 00 66 44 22 11];
249         };
250
251         eth_3: sbe5 {
252                 compatible = "sandbox,eth";
253                 reg = <0x10005000 0x1000>;
254                 fake-host-hwaddr = [00 00 66 44 22 33];
255         };
256
257         eth@10004000 {
258                 compatible = "sandbox,eth";
259                 reg = <0x10004000 0x1000>;
260                 fake-host-hwaddr = [00 00 66 44 22 22];
261         };
262
263         firmware {
264                 sandbox_firmware: sandbox-firmware {
265                         compatible = "sandbox,firmware";
266                 };
267         };
268
269         gpio_a: base-gpios {
270                 compatible = "sandbox,gpio";
271                 gpio-controller;
272                 #gpio-cells = <1>;
273                 gpio-bank-name = "a";
274                 sandbox,gpio-count = <20>;
275         };
276
277         gpio_b: extra-gpios {
278                 compatible = "sandbox,gpio";
279                 gpio-controller;
280                 #gpio-cells = <5>;
281                 gpio-bank-name = "b";
282                 sandbox,gpio-count = <10>;
283         };
284
285         i2c@0 {
286                 #address-cells = <1>;
287                 #size-cells = <0>;
288                 reg = <0 1>;
289                 compatible = "sandbox,i2c";
290                 clock-frequency = <100000>;
291                 eeprom@2c {
292                         reg = <0x2c>;
293                         compatible = "i2c-eeprom";
294                         sandbox,emul = <&emul_eeprom>;
295                 };
296
297                 rtc_0: rtc@43 {
298                         reg = <0x43>;
299                         compatible = "sandbox-rtc";
300                         sandbox,emul = <&emul0>;
301                 };
302
303                 rtc_1: rtc@61 {
304                         reg = <0x61>;
305                         compatible = "sandbox-rtc";
306                         sandbox,emul = <&emul1>;
307                 };
308
309                 i2c_emul: emul {
310                         reg = <0xff>;
311                         compatible = "sandbox,i2c-emul-parent";
312                         emul_eeprom: emul-eeprom {
313                                 compatible = "sandbox,i2c-eeprom";
314                                 sandbox,filename = "i2c.bin";
315                                 sandbox,size = <256>;
316                         };
317                         emul0: emul0 {
318                                 compatible = "sandbox,i2c-rtc";
319                         };
320                         emul1: emull {
321                                 compatible = "sandbox,i2c-rtc";
322                         };
323                 };
324
325                 sandbox_pmic: sandbox_pmic {
326                         reg = <0x40>;
327                         sandbox,emul = <&emul_pmic0>;
328                 };
329
330                 mc34708: pmic@41 {
331                         reg = <0x41>;
332                         sandbox,emul = <&emul_pmic1>;
333                 };
334         };
335
336         bootcount@0 {
337                 compatible = "u-boot,bootcount-rtc";
338                 rtc = <&rtc_1>;
339                 offset = <0x13>;
340         };
341
342         adc@0 {
343                 compatible = "sandbox,adc";
344                 vdd-supply = <&buck2>;
345                 vss-microvolts = <0>;
346         };
347
348         lcd {
349                 u-boot,dm-pre-reloc;
350                 compatible = "sandbox,lcd-sdl";
351                 xres = <1366>;
352                 yres = <768>;
353         };
354
355         leds {
356                 compatible = "gpio-leds";
357
358                 iracibble {
359                         gpios = <&gpio_a 1 0>;
360                         label = "sandbox:red";
361                 };
362
363                 martinet {
364                         gpios = <&gpio_a 2 0>;
365                         label = "sandbox:green";
366                 };
367
368                 default_on {
369                         gpios = <&gpio_a 5 0>;
370                         label = "sandbox:default_on";
371                         default-state = "on";
372                 };
373
374                 default_off {
375                         gpios = <&gpio_a 6 0>;
376                         label = "sandbox:default_off";
377                         default-state = "off";
378                 };
379         };
380
381         mbox: mbox {
382                 compatible = "sandbox,mbox";
383                 #mbox-cells = <1>;
384         };
385
386         mbox-test {
387                 compatible = "sandbox,mbox-test";
388                 mboxes = <&mbox 100>, <&mbox 1>;
389                 mbox-names = "other", "test";
390         };
391
392         cpu-test1 {
393                 compatible = "sandbox,cpu_sandbox";
394                 u-boot,dm-pre-reloc;
395         };
396
397         cpu-test2 {
398                 compatible = "sandbox,cpu_sandbox";
399                 u-boot,dm-pre-reloc;
400         };
401
402         cpu-test3 {
403                 compatible = "sandbox,cpu_sandbox";
404                 u-boot,dm-pre-reloc;
405         };
406
407         i2s: i2s {
408                 compatible = "sandbox,i2s";
409                 #sound-dai-cells = <1>;
410                 sandbox,silent; /* Don't emit sounds while testing */
411         };
412
413         nop-test_0 {
414                 compatible = "sandbox,nop_sandbox1";
415                 nop-test_1 {
416                         compatible = "sandbox,nop_sandbox2";
417                         bind = "True";
418                 };
419                 nop-test_2 {
420                         compatible = "sandbox,nop_sandbox2";
421                         bind = "False";
422                 };
423         };
424
425         misc-test {
426                 compatible = "sandbox,misc_sandbox";
427         };
428
429         mmc2 {
430                 compatible = "sandbox,mmc";
431         };
432
433         mmc1 {
434                 compatible = "sandbox,mmc";
435         };
436
437         mmc0 {
438                 compatible = "sandbox,mmc";
439         };
440
441         pch {
442                 compatible = "sandbox,pch";
443         };
444
445         pci0: pci-controller0 {
446                 compatible = "sandbox,pci";
447                 device_type = "pci";
448                 #address-cells = <3>;
449                 #size-cells = <2>;
450                 ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000
451                                 0x01000000 0 0x20000000 0x20000000 0 0x2000>;
452                 pci@0,0 {
453                         compatible = "pci-generic";
454                         reg = <0x0000 0 0 0 0>;
455                         emul@0,0 {
456                                 compatible = "sandbox,swap-case";
457                         };
458                 };
459                 pci@1,0 {
460                         compatible = "pci-generic";
461                         reg = <0x0800 0 0 0 0>;
462                         emul@0,0 {
463                                 compatible = "sandbox,swap-case";
464                                 use-ea;
465                         };
466                 };
467                 pci@1f,0 {
468                         compatible = "pci-generic";
469                         reg = <0xf800 0 0 0 0>;
470                         emul@1f,0 {
471                                 compatible = "sandbox,swap-case";
472                         };
473                 };
474         };
475
476         pci1: pci-controller1 {
477                 compatible = "sandbox,pci";
478                 device_type = "pci";
479                 #address-cells = <3>;
480                 #size-cells = <2>;
481                 ranges = <0x02000000 0 0x30000000 0x30000000 0 0x2000
482                                 0x01000000 0 0x40000000 0x40000000 0 0x2000>;
483                 sandbox,dev-info = <0x08 0x00 0x1234 0x5678
484                                     0x0c 0x00 0x1234 0x5678
485                                     0x10 0x00 0x1234 0x5678>;
486                 pci@10,0 {
487                         reg = <0x8000 0 0 0 0>;
488                 };
489         };
490
491         pci2: pci-controller2 {
492                 compatible = "sandbox,pci";
493                 device_type = "pci";
494                 #address-cells = <3>;
495                 #size-cells = <2>;
496                 ranges = <0x02000000 0 0x50000000 0x50000000 0 0x2000
497                                 0x01000000 0 0x60000000 0x60000000 0 0x2000>;
498                 sandbox,dev-info = <0x08 0x00 0x1234 0x5678>;
499                 pci@1f,0 {
500                         compatible = "pci-generic";
501                         reg = <0xf800 0 0 0 0>;
502                         emul@1f,0 {
503                                 compatible = "sandbox,swap-case";
504                         };
505                 };
506         };
507
508         pci_ep: pci_ep {
509                 compatible = "sandbox,pci_ep";
510         };
511
512         probing {
513                 compatible = "simple-bus";
514                 test1 {
515                         compatible = "denx,u-boot-probe-test";
516                 };
517
518                 test2 {
519                         compatible = "denx,u-boot-probe-test";
520                 };
521
522                 test3 {
523                         compatible = "denx,u-boot-probe-test";
524                 };
525
526                 test4 {
527                         compatible = "denx,u-boot-probe-test";
528                         first-syscon = <&syscon0>;
529                         second-sys-ctrl = <&another_system_controller>;
530                         third-syscon = <&syscon2>;
531                 };
532         };
533
534         pwrdom: power-domain {
535                 compatible = "sandbox,power-domain";
536                 #power-domain-cells = <1>;
537         };
538
539         power-domain-test {
540                 compatible = "sandbox,power-domain-test";
541                 power-domains = <&pwrdom 2>;
542         };
543
544         pwm: pwm {
545                 compatible = "sandbox,pwm";
546                 #pwm-cells = <2>;
547         };
548
549         pwm2 {
550                 compatible = "sandbox,pwm";
551                 #pwm-cells = <2>;
552         };
553
554         ram {
555                 compatible = "sandbox,ram";
556         };
557
558         reset@0 {
559                 compatible = "sandbox,warm-reset";
560         };
561
562         reset@1 {
563                 compatible = "sandbox,reset";
564         };
565
566         resetc: reset-ctl {
567                 compatible = "sandbox,reset-ctl";
568                 #reset-cells = <1>;
569         };
570
571         reset-ctl-test {
572                 compatible = "sandbox,reset-ctl-test";
573                 resets = <&resetc 100>, <&resetc 2>;
574                 reset-names = "other", "test";
575         };
576
577         rproc_1: rproc@1 {
578                 compatible = "sandbox,test-processor";
579                 remoteproc-name = "remoteproc-test-dev1";
580         };
581
582         rproc_2: rproc@2 {
583                 compatible = "sandbox,test-processor";
584                 internal-memory-mapped;
585                 remoteproc-name = "remoteproc-test-dev2";
586         };
587
588         panel {
589                 compatible = "simple-panel";
590                 backlight = <&backlight 0 100>;
591         };
592
593         smem@0 {
594                 compatible = "sandbox,smem";
595         };
596
597         sound {
598                 compatible = "sandbox,sound";
599                 cpu {
600                         sound-dai = <&i2s 0>;
601                 };
602
603                 codec {
604                         sound-dai = <&audio 0>;
605                 };
606         };
607
608         spi@0 {
609                 #address-cells = <1>;
610                 #size-cells = <0>;
611                 reg = <0 1>;
612                 compatible = "sandbox,spi";
613                 cs-gpios = <0>, <&gpio_a 0>;
614                 spi.bin@0 {
615                         reg = <0>;
616                         compatible = "spansion,m25p16", "jedec,spi-nor";
617                         spi-max-frequency = <40000000>;
618                         sandbox,filename = "spi.bin";
619                 };
620         };
621
622         syscon0: syscon@0 {
623                 compatible = "sandbox,syscon0";
624                 reg = <0x10 16>;
625         };
626
627         another_system_controller: syscon@1 {
628                 compatible = "sandbox,syscon1";
629                 reg = <0x20 5
630                         0x28 6
631                         0x30 7
632                         0x38 8>;
633         };
634
635         syscon2: syscon@2 {
636                 compatible = "simple-mfd", "syscon";
637                 reg = <0x40 5
638                         0x48 6
639                         0x50 7
640                         0x58 8>;
641         };
642
643         timer {
644                 compatible = "sandbox,timer";
645                 clock-frequency = <1000000>;
646         };
647
648         tpm2 {
649                 compatible = "sandbox,tpm2";
650         };
651
652         uart0: serial {
653                 compatible = "sandbox,serial";
654                 u-boot,dm-pre-reloc;
655         };
656
657         usb_0: usb@0 {
658                 compatible = "sandbox,usb";
659                 status = "disabled";
660                 hub {
661                         compatible = "sandbox,usb-hub";
662                         #address-cells = <1>;
663                         #size-cells = <0>;
664                         flash-stick {
665                                 reg = <0>;
666                                 compatible = "sandbox,usb-flash";
667                         };
668                 };
669         };
670
671         usb_1: usb@1 {
672                 compatible = "sandbox,usb";
673                 hub {
674                         compatible = "usb-hub";
675                         usb,device-class = <9>;
676                         hub-emul {
677                                 compatible = "sandbox,usb-hub";
678                                 #address-cells = <1>;
679                                 #size-cells = <0>;
680                                 flash-stick@0 {
681                                         reg = <0>;
682                                         compatible = "sandbox,usb-flash";
683                                         sandbox,filepath = "testflash.bin";
684                                 };
685
686                                 flash-stick@1 {
687                                         reg = <1>;
688                                         compatible = "sandbox,usb-flash";
689                                         sandbox,filepath = "testflash1.bin";
690                                 };
691
692                                 flash-stick@2 {
693                                         reg = <2>;
694                                         compatible = "sandbox,usb-flash";
695                                         sandbox,filepath = "testflash2.bin";
696                                 };
697
698                                 keyb@3 {
699                                         reg = <3>;
700                                         compatible = "sandbox,usb-keyb";
701                                 };
702
703                         };
704                 };
705         };
706
707         usb_2: usb@2 {
708                 compatible = "sandbox,usb";
709                 status = "disabled";
710         };
711
712         spmi: spmi@0 {
713                 compatible = "sandbox,spmi";
714                 #address-cells = <0x1>;
715                 #size-cells = <0x1>;
716                 pm8916@0 {
717                         compatible = "qcom,spmi-pmic";
718                         reg = <0x0 0x1>;
719                         #address-cells = <0x1>;
720                         #size-cells = <0x1>;
721
722                         spmi_gpios: gpios@c000 {
723                                 compatible = "qcom,pm8916-gpio";
724                                 reg = <0xc000 0x400>;
725                                 gpio-controller;
726                                 gpio-count = <4>;
727                                 #gpio-cells = <2>;
728                                 gpio-bank-name="spmi";
729                         };
730                 };
731         };
732
733         wdt0: wdt@0 {
734                 compatible = "sandbox,wdt";
735         };
736
737         axi: axi@0 {
738                 compatible = "sandbox,axi";
739                 #address-cells = <0x1>;
740                 #size-cells = <0x1>;
741                 store@0 {
742                         compatible = "sandbox,sandbox_store";
743                         reg = <0x0 0x400>;
744                 };
745         };
746
747         chosen {
748                 #address-cells = <1>;
749                 #size-cells = <1>;
750                 chosen-test {
751                         compatible = "denx,u-boot-fdt-test";
752                         reg = <9 1>;
753                 };
754         };
755
756         translation-test@8000 {
757                 compatible = "simple-bus";
758                 reg = <0x8000 0x4000>;
759
760                 #address-cells = <0x2>;
761                 #size-cells = <0x1>;
762
763                 ranges = <0 0x0 0x8000 0x1000
764                           1 0x100 0x9000 0x1000
765                           2 0x200 0xA000 0x1000
766                           3 0x300 0xB000 0x1000
767                          >;
768
769                 dma-ranges = <0 0x000 0x10000000 0x1000
770                               1 0x100 0x20000000 0x1000
771                              >;
772
773                 dev@0,0 {
774                         compatible = "denx,u-boot-fdt-dummy";
775                         reg = <0 0x0 0x1000>;
776                         reg-names = "sandbox-dummy-0";
777                 };
778
779                 dev@1,100 {
780                         compatible = "denx,u-boot-fdt-dummy";
781                         reg = <1 0x100 0x1000>;
782
783                 };
784
785                 dev@2,200 {
786                         compatible = "denx,u-boot-fdt-dummy";
787                         reg = <2 0x200 0x1000>;
788                 };
789
790
791                 noxlatebus@3,300 {
792                         compatible = "simple-bus";
793                         reg = <3 0x300 0x1000>;
794
795                         #address-cells = <0x1>;
796                         #size-cells = <0x0>;
797
798                         dev@42 {
799                                 compatible = "denx,u-boot-fdt-dummy";
800                                 reg = <0x42>;
801                         };
802                 };
803         };
804
805         osd {
806                 compatible = "sandbox,sandbox_osd";
807         };
808
809         board {
810                 compatible = "sandbox,board_sandbox";
811         };
812
813         sandbox_tee {
814                 compatible = "sandbox,tee";
815         };
816
817         sandbox_virtio1 {
818                 compatible = "sandbox,virtio1";
819         };
820
821         sandbox_virtio2 {
822                 compatible = "sandbox,virtio2";
823         };
824
825         pinctrl {
826                 compatible = "sandbox,pinctrl";
827         };
828
829         hwspinlock@0 {
830                 compatible = "sandbox,hwspinlock";
831         };
832
833         dma: dma {
834                 compatible = "sandbox,dma";
835                 #dma-cells = <1>;
836
837                 dmas = <&dma 0>, <&dma 1>, <&dma 2>;
838                 dma-names = "m2m", "tx0", "rx0";
839         };
840
841         /*
842          * keep mdio-mux ahead of mdio so that the mux is removed first at the
843          * end of the test.  If parent mdio is removed first, clean-up of the
844          * mux will trigger a 2nd probe of parent-mdio, leaving parent-mdio
845          * active at the end of the test.  That it turn doesn't allow the mdio
846          * class to be destroyed, triggering an error.
847          */
848         mdio-mux-test {
849                 compatible = "sandbox,mdio-mux";
850                 #address-cells = <1>;
851                 #size-cells = <0>;
852                 mdio-parent-bus = <&mdio>;
853
854                 mdio-ch-test@0 {
855                         reg = <0>;
856                 };
857                 mdio-ch-test@1 {
858                         reg = <1>;
859                 };
860         };
861
862         mdio: mdio-test {
863                 compatible = "sandbox,mdio";
864         };
865 };
866
867 #include "sandbox_pmic.dtsi"