Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.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-v2.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-v2
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   power-domains:
  28     minItems: 3
  29     maxItems: 4
  30
  31   power-domain-names:
  32     minItems: 3
  33     maxItems: 4
  34     items:
  35       - const: venus
  36       - const: vcodec0
  37       - const: vcodec1
  38       - const: cx
  39
  40   clocks:
  41     maxItems: 7
  42
  43   clock-names:
  44     items:
  45       - const: core
  46       - const: iface
  47       - const: bus
  48       - const: vcodec0_core
  49       - const: vcodec0_bus
  50       - const: vcodec1_core
  51       - const: vcodec1_bus
  52
  53   iommus:
  54     maxItems: 2
  55
  56   memory-region:
  57     maxItems: 1
  58
  59   video-core0:
  60     type: object
  61
  62     properties:
  63       compatible:
  64         const: venus-decoder
  65
  66     required:
  67       - compatible
  68
  69     additionalProperties: false
  70
  71   video-core1:
  72     type: object
  73
  74     properties:
  75       compatible:
  76         const: venus-encoder
  77
  78     required:
  79       - compatible
  80
  81     additionalProperties: false
  82
  83   video-firmware:
  84     type: object
  85
  86     description: |
  87       Firmware subnode is needed when the platform does not
  88       have TrustZone.
  89
  90     properties:
  91       iommus:
  92         maxItems: 1
  93
  94     required:
  95       - iommus
  96
  97 required:
  98   - compatible
  99   - reg
 100   - interrupts
 101   - power-domains
 102   - power-domain-names
 103   - clocks
 104   - clock-names
 105   - iommus
 106   - memory-region
 107   - video-core0
 108   - video-core1
 109
 110 additionalProperties: false
 111
 112 examples:
 113   - |
 114         #include <dt-bindings/interrupt-controller/arm-gic.h>
 115         #include <dt-bindings/clock/qcom,videocc-sdm845.h>
 116
 117         video-codec@aa00000 {
 118                 compatible = "qcom,sdm845-venus-v2";
 119                 reg = <0x0aa00000 0xff000>;
 120                 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
 121                 clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
 122                          <&videocc VIDEO_CC_VENUS_AHB_CLK>,
 123                          <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
 124                          <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
 125                          <&videocc VIDEO_CC_VCODEC0_AXI_CLK>,
 126                          <&videocc VIDEO_CC_VCODEC1_CORE_CLK>,
 127                          <&videocc VIDEO_CC_VCODEC1_AXI_CLK>;
 128                 clock-names = "core", "iface", "bus",
 129                               "vcodec0_core", "vcodec0_bus",
 130                               "vcodec1_core", "vcodec1_bus";
 131                 power-domains = <&videocc VENUS_GDSC>,
 132                                 <&videocc VCODEC0_GDSC>,
 133                                 <&videocc VCODEC1_GDSC>;
 134                 power-domain-names = "venus", "vcodec0", "vcodec1";
 135                 iommus = <&apps_smmu 0x10a0 0x8>,
 136                          <&apps_smmu 0x10b0 0x0>;
 137                 memory-region = <&venus_mem>;
 138
 139                 video-core0 {
 140                         compatible = "venus-decoder";
 141                 };
 142
 143                 video-core1 {
 144                         compatible = "venus-encoder";
 145                 };
 146         };