Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml

   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     };