xref: /linux/Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml (revision 3df692169e8486fc3dd91fcd5ea81c27a0bac033) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/nuvoton,npcm-vcd.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Nuvoton NPCM Video Capture/Differentiation Engine
8
9maintainers:
10  - Joseph Liu <kwliu@nuvoton.com>
11  - Marvin Lin <kflin@nuvoton.com>
12
13description: |
14  Video Capture/Differentiation Engine (VCD) present on Nuvoton NPCM SoCs.
15
16properties:
17  compatible:
18    enum:
19      - nuvoton,npcm750-vcd
20      - nuvoton,npcm845-vcd
21
22  reg:
23    maxItems: 1
24
25  interrupts:
26    maxItems: 1
27
28  resets:
29    maxItems: 1
30
31  nuvoton,sysgcr:
32    $ref: /schemas/types.yaml#/definitions/phandle
33    description: phandle to access GCR (Global Control Register) registers.
34
35  nuvoton,sysgfxi:
36    $ref: /schemas/types.yaml#/definitions/phandle
37    description: phandle to access GFXI (Graphics Core Information) registers.
38
39  nuvoton,ece:
40    $ref: /schemas/types.yaml#/definitions/phandle
41    description: phandle to access ECE (Encoding Compression Engine) registers.
42
43  memory-region:
44    maxItems: 1
45    description:
46      CMA pool to use for buffers allocation instead of the default CMA pool.
47
48required:
49  - compatible
50  - reg
51  - interrupts
52  - resets
53  - nuvoton,sysgcr
54  - nuvoton,sysgfxi
55  - nuvoton,ece
56
57additionalProperties: false
58
59examples:
60  - |
61    #include <dt-bindings/interrupt-controller/arm-gic.h>
62    #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
63
64    vcd: vcd@f0810000 {
65        compatible = "nuvoton,npcm750-vcd";
66        reg = <0xf0810000 0x10000>;
67        interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
68        resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_VCD>;
69        nuvoton,sysgcr = <&gcr>;
70        nuvoton,sysgfxi = <&gfxi>;
71        nuvoton,ece = <&ece>;
72    };
73