xref: /freebsd/sys/contrib/device-tree/Bindings/display/renesas,du.yaml (revision e1c4c8dd8d2d10b6104f06856a77bd5b4813a801) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/renesas,du.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car Display Unit (DU)
8
9maintainers:
10  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11
12description: |
13  These DT bindings describe the Display Unit embedded in the Renesas R-Car
14  Gen1, R-Car Gen2, R-Car Gen3, RZ/G1 and RZ/G2 SoCs.
15
16properties:
17  compatible:
18    enum:
19      - renesas,du-r8a7742 # for RZ/G1H compatible DU
20      - renesas,du-r8a7743 # for RZ/G1M compatible DU
21      - renesas,du-r8a7744 # for RZ/G1N compatible DU
22      - renesas,du-r8a7745 # for RZ/G1E compatible DU
23      - renesas,du-r8a77470 # for RZ/G1C compatible DU
24      - renesas,du-r8a774a1 # for RZ/G2M compatible DU
25      - renesas,du-r8a774b1 # for RZ/G2N compatible DU
26      - renesas,du-r8a774c0 # for RZ/G2E compatible DU
27      - renesas,du-r8a774e1 # for RZ/G2H compatible DU
28      - renesas,du-r8a7779 # for R-Car H1 compatible DU
29      - renesas,du-r8a7790 # for R-Car H2 compatible DU
30      - renesas,du-r8a7791 # for R-Car M2-W compatible DU
31      - renesas,du-r8a7792 # for R-Car V2H compatible DU
32      - renesas,du-r8a7793 # for R-Car M2-N compatible DU
33      - renesas,du-r8a7794 # for R-Car E2 compatible DU
34      - renesas,du-r8a7795 # for R-Car H3 compatible DU
35      - renesas,du-r8a7796 # for R-Car M3-W compatible DU
36      - renesas,du-r8a77961 # for R-Car M3-W+ compatible DU
37      - renesas,du-r8a77965 # for R-Car M3-N compatible DU
38      - renesas,du-r8a77970 # for R-Car V3M compatible DU
39      - renesas,du-r8a77980 # for R-Car V3H compatible DU
40      - renesas,du-r8a77990 # for R-Car E3 compatible DU
41      - renesas,du-r8a77995 # for R-Car D3 compatible DU
42      - renesas,du-r8a779a0 # for R-Car V3U compatible DU
43      - renesas,du-r8a779g0 # for R-Car V4H compatible DU
44
45  reg:
46    maxItems: 1
47
48  # See compatible-specific constraints below.
49  clocks: true
50  clock-names: true
51  interrupts:
52    description: Interrupt specifiers, one per DU channel
53  resets: true
54  reset-names: true
55
56  power-domains:
57    maxItems: 1
58
59  ports:
60    $ref: /schemas/graph.yaml#/properties/ports
61    description: |
62      The connections to the DU output video ports are modeled using the OF
63      graph bindings specified in Documentation/devicetree/bindings/graph.txt.
64      The number of ports and their assignment are model-dependent. Each port
65      shall have a single endpoint.
66
67    patternProperties:
68      "^port@[0-3]$":
69        $ref: /schemas/graph.yaml#/properties/port
70        unevaluatedProperties: false
71
72    required:
73      - port@0
74      - port@1
75
76    unevaluatedProperties: false
77
78  renesas,cmms:
79    $ref: /schemas/types.yaml#/definitions/phandle-array
80    items:
81      maxItems: 1
82    description:
83      A list of phandles to the CMM instances present in the SoC, one for each
84      available DU channel.
85
86  renesas,vsps:
87    $ref: /schemas/types.yaml#/definitions/phandle-array
88    items:
89      items:
90        - description: phandle to VSP instance that serves the DU channel
91        - description: Channel index identifying the LIF instance in that VSP
92    description:
93      A list of phandle and channel index tuples to the VSPs that handle the
94      memory interfaces for the DU channels.
95
96required:
97  - compatible
98  - reg
99  - clocks
100  - interrupts
101  - ports
102
103allOf:
104  - if:
105      properties:
106        compatible:
107          contains:
108            const: renesas,du-r8a7779
109    then:
110      properties:
111        clocks:
112          minItems: 1
113          items:
114            - description: Functional clock
115            - description: DU_DOTCLKIN0 input clock
116            - description: DU_DOTCLKIN1 input clock
117
118        clock-names:
119          minItems: 1
120          items:
121            - const: du.0
122            - pattern: '^dclkin\.[01]$'
123            - pattern: '^dclkin\.[01]$'
124
125        interrupts:
126          maxItems: 1
127
128        resets:
129          maxItems: 1
130
131        ports:
132          properties:
133            port@0:
134              description: DPAD 0
135            port@1:
136              description: DPAD 1
137            # port@2 is TCON, not supported yet
138            port@2: false
139            port@3: false
140
141          required:
142            - port@0
143            - port@1
144
145      required:
146        - interrupts
147
148  - if:
149      properties:
150        compatible:
151          contains:
152            enum:
153              - renesas,du-r8a7743
154              - renesas,du-r8a7744
155              - renesas,du-r8a7791
156              - renesas,du-r8a7793
157    then:
158      properties:
159        clocks:
160          minItems: 2
161          items:
162            - description: Functional clock for DU0
163            - description: Functional clock for DU1
164            - description: DU_DOTCLKIN0 input clock
165            - description: DU_DOTCLKIN1 input clock
166
167        clock-names:
168          minItems: 2
169          items:
170            - const: du.0
171            - const: du.1
172            - pattern: '^dclkin\.[01]$'
173            - pattern: '^dclkin\.[01]$'
174
175        interrupts:
176          maxItems: 2
177
178        resets:
179          maxItems: 1
180
181        reset-names:
182          items:
183            - const: du.0
184
185        ports:
186          properties:
187            port@0:
188              description: DPAD 0
189            port@1:
190              description: LVDS 0
191            # port@2 is TCON, not supported yet
192            port@2: false
193            port@3: false
194
195          required:
196            - port@0
197            - port@1
198
199      required:
200        - clock-names
201        - interrupts
202        - resets
203        - reset-names
204
205  - if:
206      properties:
207        compatible:
208          contains:
209            enum:
210              - renesas,du-r8a7745
211              - renesas,du-r8a7792
212    then:
213      properties:
214        clocks:
215          minItems: 2
216          items:
217            - description: Functional clock for DU0
218            - description: Functional clock for DU1
219            - description: DU_DOTCLKIN0 input clock
220            - description: DU_DOTCLKIN1 input clock
221
222        clock-names:
223          minItems: 2
224          items:
225            - const: du.0
226            - const: du.1
227            - pattern: '^dclkin\.[01]$'
228            - pattern: '^dclkin\.[01]$'
229
230        interrupts:
231          maxItems: 2
232
233        resets:
234          maxItems: 1
235
236        reset-names:
237          items:
238            - const: du.0
239
240        ports:
241          properties:
242            port@0:
243              description: DPAD 0
244            port@1:
245              description: DPAD 1
246            port@2: false
247            port@3: false
248
249          required:
250            - port@0
251            - port@1
252
253      required:
254        - clock-names
255        - interrupts
256        - resets
257        - reset-names
258
259  - if:
260      properties:
261        compatible:
262          contains:
263            enum:
264              - renesas,du-r8a7794
265    then:
266      properties:
267        clocks:
268          minItems: 2
269          items:
270            - description: Functional clock for DU0
271            - description: Functional clock for DU1
272            - description: DU_DOTCLKIN0 input clock
273            - description: DU_DOTCLKIN1 input clock
274
275        clock-names:
276          minItems: 2
277          items:
278            - const: du.0
279            - const: du.1
280            - pattern: '^dclkin\.[01]$'
281            - pattern: '^dclkin\.[01]$'
282
283        interrupts:
284          maxItems: 2
285
286        resets:
287          maxItems: 1
288
289        reset-names:
290          items:
291            - const: du.0
292
293        ports:
294          properties:
295            port@0:
296              description: DPAD 0
297            port@1:
298              description: DPAD 1
299            # port@2 is TCON, not supported yet
300            port@2: false
301            port@3: false
302
303          required:
304            - port@0
305            - port@1
306
307      required:
308        - clock-names
309        - interrupts
310        - resets
311        - reset-names
312
313  - if:
314      properties:
315        compatible:
316          contains:
317            enum:
318              - renesas,du-r8a77470
319    then:
320      properties:
321        clocks:
322          minItems: 2
323          items:
324            - description: Functional clock for DU0
325            - description: Functional clock for DU1
326            - description: DU_DOTCLKIN0 input clock
327            - description: DU_DOTCLKIN1 input clock
328
329        clock-names:
330          minItems: 2
331          items:
332            - const: du.0
333            - const: du.1
334            - pattern: '^dclkin\.[01]$'
335            - pattern: '^dclkin\.[01]$'
336
337        interrupts:
338          maxItems: 2
339
340        resets:
341          maxItems: 1
342
343        reset-names:
344          items:
345            - const: du.0
346
347        ports:
348          properties:
349            port@0:
350              description: DPAD 0
351            port@1:
352              description: DPAD 1
353            port@2:
354              description: LVDS 0
355            # port@3 is DVENC, not supported yet
356            port@3: false
357
358          required:
359            - port@0
360            - port@1
361            - port@2
362
363      required:
364        - clock-names
365        - interrupts
366        - resets
367        - reset-names
368
369  - if:
370      properties:
371        compatible:
372          contains:
373            enum:
374              - renesas,du-r8a7742
375              - renesas,du-r8a7790
376    then:
377      properties:
378        clocks:
379          minItems: 3
380          items:
381            - description: Functional clock for DU0
382            - description: Functional clock for DU1
383            - description: Functional clock for DU2
384            - description: DU_DOTCLKIN0 input clock
385            - description: DU_DOTCLKIN1 input clock
386            - description: DU_DOTCLKIN2 input clock
387
388        clock-names:
389          minItems: 3
390          items:
391            - const: du.0
392            - const: du.1
393            - const: du.2
394            - pattern: '^dclkin\.[012]$'
395            - pattern: '^dclkin\.[012]$'
396            - pattern: '^dclkin\.[012]$'
397
398        interrupts:
399          maxItems: 3
400
401        resets:
402          maxItems: 1
403
404        reset-names:
405          items:
406            - const: du.0
407
408        ports:
409          properties:
410            port@0:
411              description: DPAD 0
412            port@1:
413              description: LVDS 0
414            port@2:
415              description: LVDS 1
416            # port@3 is TCON, not supported yet
417            port@3: false
418
419          required:
420            - port@0
421            - port@1
422            - port@2
423
424      required:
425        - clock-names
426        - interrupts
427        - resets
428        - reset-names
429
430  - if:
431      properties:
432        compatible:
433          contains:
434            enum:
435              - renesas,du-r8a7795
436    then:
437      properties:
438        clocks:
439          minItems: 4
440          items:
441            - description: Functional clock for DU0
442            - description: Functional clock for DU1
443            - description: Functional clock for DU2
444            - description: Functional clock for DU4
445            - description: DU_DOTCLKIN0 input clock
446            - description: DU_DOTCLKIN1 input clock
447            - description: DU_DOTCLKIN2 input clock
448            - description: DU_DOTCLKIN3 input clock
449
450        clock-names:
451          minItems: 4
452          items:
453            - const: du.0
454            - const: du.1
455            - const: du.2
456            - const: du.3
457            - pattern: '^dclkin\.[0123]$'
458            - pattern: '^dclkin\.[0123]$'
459            - pattern: '^dclkin\.[0123]$'
460            - pattern: '^dclkin\.[0123]$'
461
462        interrupts:
463          maxItems: 4
464
465        resets:
466          maxItems: 2
467
468        reset-names:
469          items:
470            - const: du.0
471            - const: du.2
472
473        ports:
474          properties:
475            port@0:
476              description: DPAD 0
477            port@1:
478              description: HDMI 0
479            port@2:
480              description: HDMI 1
481            port@3:
482              description: LVDS 0
483
484          required:
485            - port@0
486            - port@1
487            - port@2
488            - port@3
489
490        renesas,cmms:
491          minItems: 4
492
493        renesas,vsps:
494          minItems: 4
495
496      required:
497        - clock-names
498        - interrupts
499        - resets
500        - reset-names
501        - renesas,vsps
502
503  - if:
504      properties:
505        compatible:
506          contains:
507            enum:
508              - renesas,du-r8a774a1
509              - renesas,du-r8a7796
510              - renesas,du-r8a77961
511    then:
512      properties:
513        clocks:
514          minItems: 3
515          items:
516            - description: Functional clock for DU0
517            - description: Functional clock for DU1
518            - description: Functional clock for DU2
519            - description: DU_DOTCLKIN0 input clock
520            - description: DU_DOTCLKIN1 input clock
521            - description: DU_DOTCLKIN2 input clock
522
523        clock-names:
524          minItems: 3
525          items:
526            - const: du.0
527            - const: du.1
528            - const: du.2
529            - pattern: '^dclkin\.[012]$'
530            - pattern: '^dclkin\.[012]$'
531            - pattern: '^dclkin\.[012]$'
532
533        interrupts:
534          maxItems: 3
535
536        resets:
537          maxItems: 2
538
539        reset-names:
540          items:
541            - const: du.0
542            - const: du.2
543
544        ports:
545          properties:
546            port@0:
547              description: DPAD 0
548            port@1:
549              description: HDMI 0
550            port@2:
551              description: LVDS 0
552            port@3: false
553
554          required:
555            - port@0
556            - port@1
557            - port@2
558
559        renesas,cmms:
560          minItems: 3
561
562        renesas,vsps:
563          minItems: 3
564
565      required:
566        - clock-names
567        - interrupts
568        - resets
569        - reset-names
570        - renesas,vsps
571
572  - if:
573      properties:
574        compatible:
575          contains:
576            enum:
577              - renesas,du-r8a774b1
578              - renesas,du-r8a774e1
579              - renesas,du-r8a77965
580    then:
581      properties:
582        clocks:
583          minItems: 3
584          items:
585            - description: Functional clock for DU0
586            - description: Functional clock for DU1
587            - description: Functional clock for DU3
588            - description: DU_DOTCLKIN0 input clock
589            - description: DU_DOTCLKIN1 input clock
590            - description: DU_DOTCLKIN3 input clock
591
592        clock-names:
593          minItems: 3
594          items:
595            - const: du.0
596            - const: du.1
597            - const: du.3
598            - pattern: '^dclkin\.[013]$'
599            - pattern: '^dclkin\.[013]$'
600            - pattern: '^dclkin\.[013]$'
601
602        interrupts:
603          maxItems: 3
604
605        resets:
606          maxItems: 2
607
608        reset-names:
609          items:
610            - const: du.0
611            - const: du.3
612
613        ports:
614          properties:
615            port@0:
616              description: DPAD 0
617            port@1:
618              description: HDMI 0
619            port@2:
620              description: LVDS 0
621            port@3: false
622
623          required:
624            - port@0
625            - port@1
626            - port@2
627
628        renesas,cmms:
629          minItems: 3
630
631        renesas,vsps:
632          minItems: 3
633
634      required:
635        - clock-names
636        - interrupts
637        - resets
638        - reset-names
639        - renesas,vsps
640
641  - if:
642      properties:
643        compatible:
644          contains:
645            enum:
646              - renesas,du-r8a77970
647              - renesas,du-r8a77980
648    then:
649      properties:
650        clocks:
651          minItems: 1
652          items:
653            - description: Functional clock for DU0
654            - description: DU_DOTCLKIN0 input clock
655
656        clock-names:
657          minItems: 1
658          items:
659            - const: du.0
660            - const: dclkin.0
661
662        interrupts:
663          maxItems: 1
664
665        resets:
666          maxItems: 1
667
668        reset-names:
669          items:
670            - const: du.0
671
672        ports:
673          properties:
674            port@0:
675              description: DPAD 0
676            port@1:
677              description: LVDS 0
678            port@2: false
679            port@3: false
680
681          required:
682            - port@0
683            - port@1
684
685        renesas,vsps:
686          minItems: 1
687
688      required:
689        - clock-names
690        - interrupts
691        - resets
692        - reset-names
693        - renesas,vsps
694
695  - if:
696      properties:
697        compatible:
698          contains:
699            enum:
700              - renesas,du-r8a774c0
701              - renesas,du-r8a77990
702              - renesas,du-r8a77995
703    then:
704      properties:
705        clocks:
706          minItems: 2
707          items:
708            - description: Functional clock for DU0
709            - description: Functional clock for DU1
710            - description: DU_DOTCLKIN0 input clock
711            - description: DU_DOTCLKIN1 input clock
712
713        clock-names:
714          minItems: 2
715          items:
716            - const: du.0
717            - const: du.1
718            - pattern: '^dclkin\.[01]$'
719            - pattern: '^dclkin\.[01]$'
720
721        interrupts:
722          maxItems: 2
723
724        resets:
725          maxItems: 1
726
727        reset-names:
728          items:
729            - const: du.0
730
731        ports:
732          properties:
733            port@0:
734              description: DPAD 0
735            port@1:
736              description: LVDS 0
737            port@2:
738              description: LVDS 1
739            # port@3 is TCON, not supported yet
740            port@3: false
741
742          required:
743            - port@0
744            - port@1
745            - port@2
746
747        renesas,cmms:
748          minItems: 2
749
750        renesas,vsps:
751          minItems: 2
752
753      required:
754        - clock-names
755        - interrupts
756        - resets
757        - reset-names
758        - renesas,vsps
759
760  - if:
761      properties:
762        compatible:
763          contains:
764            enum:
765              - renesas,du-r8a779a0
766              - renesas,du-r8a779g0
767    then:
768      properties:
769        clocks:
770          items:
771            - description: Functional clock
772
773        clock-names:
774          items:
775            - const: du.0
776
777        interrupts:
778          maxItems: 2
779
780        resets:
781          maxItems: 1
782
783        reset-names:
784          items:
785            - const: du.0
786
787        ports:
788          properties:
789            port@0:
790              description: DSI 0
791            port@1:
792              description: DSI 1
793            port@2: false
794            port@3: false
795
796          required:
797            - port@0
798            - port@1
799
800        renesas,vsps:
801          minItems: 2
802
803      required:
804        - clock-names
805        - interrupts
806        - resets
807        - reset-names
808        - renesas,vsps
809
810additionalProperties: false
811
812examples:
813  # R-Car H3 ES2.0 DU
814  - |
815    #include <dt-bindings/clock/renesas-cpg-mssr.h>
816    #include <dt-bindings/interrupt-controller/arm-gic.h>
817
818    display@feb00000 {
819        compatible = "renesas,du-r8a7795";
820        reg = <0xfeb00000 0x80000>;
821        interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
822                     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>,
823                     <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>,
824                     <GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>;
825        clocks = <&cpg CPG_MOD 724>,
826                 <&cpg CPG_MOD 723>,
827                 <&cpg CPG_MOD 722>,
828                 <&cpg CPG_MOD 721>;
829        clock-names = "du.0", "du.1", "du.2", "du.3";
830        resets = <&cpg 724>, <&cpg 722>;
831        reset-names = "du.0", "du.2";
832
833        renesas,cmms = <&cmm0>, <&cmm1>, <&cmm2>, <&cmm3>;
834        renesas,vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>;
835
836        ports {
837            #address-cells = <1>;
838            #size-cells = <0>;
839
840            port@0 {
841                reg = <0>;
842                endpoint {
843                    remote-endpoint = <&adv7123_in>;
844                };
845            };
846            port@1 {
847                reg = <1>;
848                endpoint {
849                    remote-endpoint = <&dw_hdmi0_in>;
850                };
851            };
852            port@2 {
853                reg = <2>;
854                endpoint {
855                    remote-endpoint = <&dw_hdmi1_in>;
856                };
857            };
858            port@3 {
859                reg = <3>;
860                endpoint {
861                    remote-endpoint = <&lvds0_in>;
862                };
863            };
864        };
865    };
866
867...
868