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

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/media/rockchip,vdec.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip Video Decoder (VDec) Device Tree Bindings
   8
   9 maintainers:
  10   - Heiko Stuebner <heiko@sntech.de>
  11
  12 description: |-
  13   The Rockchip rk3399 has a stateless Video Decoder that can decodes H.264,
  14   HEVC an VP9 streams.
  15
  16 properties:
  17   compatible:
  18     oneOf:
  19       - const: rockchip,rk3399-vdec
  20       - items:
  21           - const: rockchip,rk3228-vdec
  22           - const: rockchip,rk3399-vdec
  23
  24   reg:
  25     maxItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   clocks:
  31     items:
  32       - description: The Video Decoder AXI interface clock
  33       - description: The Video Decoder AHB interface clock
  34       - description: The Video Decoded CABAC clock
  35       - description: The Video Decoder core clock
  36
  37   clock-names:
  38     items:
  39       - const: axi
  40       - const: ahb
  41       - const: cabac
  42       - const: core
  43
  44   assigned-clocks: true
  45
  46   assigned-clock-rates: true
  47
  48   power-domains:
  49     maxItems: 1
  50
  51   iommus:
  52     maxItems: 1
  53
  54 required:
  55   - compatible
  56   - reg
  57   - interrupts
  58   - clocks
  59   - clock-names
  60   - power-domains
  61
  62 additionalProperties: false
  63
  64 examples:
  65   - |
  66     #include <dt-bindings/interrupt-controller/arm-gic.h>
  67     #include <dt-bindings/clock/rk3399-cru.h>
  68     #include <dt-bindings/power/rk3399-power.h>
  69
  70     vdec: video-codec@ff660000 {
  71         compatible = "rockchip,rk3399-vdec";
  72         reg = <0xff660000 0x400>;
  73         interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
  74         clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
  75                  <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;
  76         clock-names = "axi", "ahb", "cabac", "core";
  77         power-domains = <&power RK3399_PD_VDU>;
  78         iommus = <&vdec_mmu>;
  79     };
  80
  81 ...