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