xref: /openbmc/linux/Documentation/devicetree/bindings/media/rockchip,vdec.yaml (revision 502cf736)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/rockchip,vdec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip Video Decoder (VDec) Device Tree Bindings

maintainers:
  - Heiko Stuebner <heiko@sntech.de>

description: |-
  The Rockchip rk3399 has a stateless Video Decoder that can decodes H.264,
  HEVC an VP9 streams.

properties:
  compatible:
    oneOf:
      - const: rockchip,rk3399-vdec
      - items:
          - const: rockchip,rk3228-vdec
          - const: rockchip,rk3399-vdec

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    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

  clock-names:
    items:
      - const: axi
      - const: ahb
      - const: cabac
      - const: core

  assigned-clocks: true

  assigned-clock-rates: true

  power-domains:
    maxItems: 1

  iommus:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - power-domains

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/rk3399-cru.h>
    #include <dt-bindings/power/rk3399-power.h>

    vdec: video-codec@ff660000 {
        compatible = "rockchip,rk3399-vdec";
        reg = <0xff660000 0x400>;
        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
        clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
                 <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;
        clock-names = "axi", "ahb", "cabac", "core";
        power-domains = <&power RK3399_PD_VDU>;
        iommus = <&vdec_mmu>;
    };

...