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
7 title: Nuvoton NPCM Video Capture/Differentiation Engine
8
9 maintainers:
10 - Joseph Liu <kwliu@nuvoton.com>
11 - Marvin Lin <kflin@nuvoton.com>
12
13 description: |
14 Video Capture/Differentiation Engine (VCD) present on Nuvoton NPCM SoCs.
15
16 properties:
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
48 required:
49 - compatible
50 - reg
51 - interrupts
52 - resets
53 - nuvoton,sysgcr
54 - nuvoton,sysgfxi
55 - nuvoton,ece
56
57 additionalProperties: false
58
59 examples:
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 };
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