Documentation/devicetree/bindings/media/qcom,sdm845-venus.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2
   3 %YAML 1.2
   4 ---
   5 $id: "http://devicetree.org/schemas/media/qcom,sdm845-venus.yaml#"
   6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   7
   8 title: Qualcomm Venus video encode and decode accelerators
   9
  10 maintainers:
  11   - Stanimir Varbanov <stanimir.varbanov@linaro.org>
  12
  13 description: |
  14   The Venus IP is a video encode and decode accelerator present
  15   on Qualcomm platforms
  16
  17 properties:
  18   compatible:
  19     const: qcom,sdm845-venus
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   power-domains:
  28     maxItems: 1
  29
  30   clocks:
  31     maxItems: 3
  32
  33   clock-names:
  34     items:
  35       - const: core
  36       - const: iface
  37       - const: bus
  38
  39   iommus:
  40     maxItems: 2
  41
  42   memory-region:
  43     maxItems: 1
  44
  45   video-core0:
  46     type: object
  47
  48     properties:
  49       compatible:
  50         const: venus-decoder
  51
  52       clocks:
  53         maxItems: 2
  54
  55       clock-names:
  56         items:
  57           - const: core
  58           - const: bus
  59
  60       power-domains:
  61         maxItems: 1
  62
  63     required:
  64       - compatible
  65       - clocks
  66       - clock-names
  67       - power-domains
  68
  69     additionalProperties: false
  70
  71   video-core1:
  72     type: object
  73
  74     properties:
  75       compatible:
  76         const: venus-encoder
  77
  78       clocks:
  79         maxItems: 2
  80
  81       clock-names:
  82         items:
  83           - const: core
  84           - const: bus
  85
  86       power-domains:
  87         maxItems: 1
  88
  89     required:
  90       - compatible
  91       - clocks
  92       - clock-names
  93       - power-domains
  94
  95     additionalProperties: false
  96
  97   video-firmware:
  98     type: object
  99
 100     description: |
 101       Firmware subnode is needed when the platform does not
 102       have TrustZone.
 103
 104     properties:
 105       iommus:
 106         maxItems: 1
 107
 108     required:
 109       - iommus
 110
 111 required:
 112   - compatible
 113   - reg
 114   - interrupts
 115   - power-domains
 116   - clocks
 117   - clock-names
 118   - iommus
 119   - memory-region
 120   - video-core0
 121   - video-core1
 122
 123 additionalProperties: false
 124
 125 examples:
 126   - |
 127         #include <dt-bindings/interrupt-controller/arm-gic.h>
 128         #include <dt-bindings/clock/qcom,videocc-sdm845.h>
 129
 130         video-codec@aa00000 {
 131                 compatible = "qcom,sdm845-venus";
 132                 reg = <0x0aa00000 0xff000>;
 133                 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
 134                 clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
 135                          <&videocc VIDEO_CC_VENUS_AHB_CLK>,
 136                          <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>;
 137                 clock-names = "core", "iface", "bus";
 138                 power-domains = <&videocc VENUS_GDSC>;
 139                 iommus = <&apps_smmu 0x10a0 0x8>,
 140                          <&apps_smmu 0x10b0 0x0>;
 141                 memory-region = <&venus_mem>;
 142
 143                 video-core0 {
 144                         compatible = "venus-decoder";
 145                         clocks = <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
 146                                  <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
 147                         clock-names = "core", "bus";
 148                         power-domains = <&videocc VCODEC0_GDSC>;
 149                 };
 150
 151                 video-core1 {
 152                         compatible = "venus-encoder";
 153                         clocks = <&videocc VIDEO_CC_VCODEC1_CORE_CLK>,
 154                                  <&videocc VIDEO_CC_VCODEC1_AXI_CLK>;
 155                         clock-names = "core", "bus";
 156                         power-domains = <&videocc VCODEC1_GDSC>;
 157                 };
 158         };