Commit c6ffb7e1 authored by Detlev Casanova's avatar Detlev Casanova Committed by Hans Verkuil
Browse files

media: dt-bindings: rockchip: Document RK3588 Video Decoder bindings 



Document the Rockchip RK3588 Video Decoder bindings.

Signed-off-by: default avatarDetlev Casanova <detlev.casanova@collabora.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarNicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
parent 77ce8e4d

Documentation/devicetree/bindings/media/rockchip,vdec.yaml

+74 −3
Original line number Diff line number Diff line
@@ -10,13 +10,14 @@ maintainers: 
  - Heiko Stuebner <heiko@sntech.de>



description: |-

  The Rockchip rk3399 has a stateless Video Decoder that can decodes H.264,

  HEVC an VP9 streams.

  Rockchip SoCs have variants of the same stateless Video Decoder that can

  decodes H.264, HEVC, VP9 and AV1 streams, depending on the variant.



properties:

  compatible:

    oneOf:

      - const: rockchip,rk3399-vdec

      - const: rockchip,rk3588-vdec

      - items:

          - enum:

              - rockchip,rk3228-vdec
@@ -24,35 +25,72 @@ properties: 
          - const: rockchip,rk3399-vdec



  reg:

    maxItems: 1

    minItems: 1

    items:

      - description: The function configuration registers base

      - description: The link table configuration registers base

      - description: The cache configuration registers base



  reg-names:

    items:

      - const: function

      - const: link

      - const: cache



  interrupts:

    maxItems: 1



  clocks:

    minItems: 4

    items:

      - description: The Video Decoder AXI interface clock

      - description: The Video Decoder AHB interface clock

      - description: The Video Decoded CABAC clock

      - description: The Video Decoder core clock

      - description: The Video decoder HEVC CABAC clock



  clock-names:

    minItems: 4

    items:

      - const: axi

      - const: ahb

      - const: cabac

      - const: core

      - const: hevc_cabac



  assigned-clocks: true



  assigned-clock-rates: true



  resets:

    items:

      - description: The Video Decoder AXI interface reset

      - description: The Video Decoder AHB interface reset

      - description: The Video Decoded CABAC reset

      - description: The Video Decoder core reset

      - description: The Video decoder HEVC CABAC reset



  reset-names:

    items:

      - const: axi

      - const: ahb

      - const: cabac

      - const: core

      - const: hevc_cabac



  power-domains:

    maxItems: 1



  iommus:

    maxItems: 1



  sram:

    $ref: /schemas/types.yaml#/definitions/phandle

    description: |

      phandle to a reserved on-chip SRAM regions.

      Some SoCs, like rk3588 provide on-chip SRAM to store temporary

      buffers during decoding.



required:

  - compatible

  - reg
@@ -61,6 +99,39 @@ required: 
  - clock-names

  - power-domains



allOf:

  - if:

      properties:

        compatible:

          contains:

            const: rockchip,rk3588-vdec

    then:

      properties:

        reg:

          minItems: 3

        reg-names:

          minItems: 3

        clocks:

          minItems: 5

        clock-names:

          minItems: 5

        resets:

          minItems: 5

        reset-names:

          minItems: 5

    else:

      properties:

        reg:

          maxItems: 1

        reg-names: false

        clocks:

          maxItems: 4

        clock-names:

          maxItems: 4

        resets: false

        reset-names: false

        sram: false



additionalProperties: false



examples: