Documentation/devicetree/bindings/media/qcom,sc7280-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,sc7280-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 Iris2 IP is a video encode and decode accelerator present
  15   on Qualcomm platforms
  16
  17 properties:
  18   compatible:
  19     const: qcom,sc7280-venus
  20
  21   reg:
  22     maxItems: 1
  23
  24   interrupts:
  25     maxItems: 1
  26
  27   power-domains:
  28     minItems: 2
  29     maxItems: 3
  30
  31   power-domain-names:
  32     minItems: 2
  33     items:
  34       - const: venus
  35       - const: vcodec0
  36       - const: cx
  37
  38   clocks:
  39     maxItems: 5
  40
  41   clock-names:
  42     items:
  43       - const: core
  44       - const: bus
  45       - const: iface
  46       - const: vcodec_core
  47       - const: vcodec_bus
  48
  49   iommus:
  50     maxItems: 2
  51
  52   memory-region:
  53     maxItems: 1
  54
  55   interconnects:
  56     maxItems: 2
  57
  58   interconnect-names:
  59     items:
  60       - const: cpu-cfg
  61       - const: video-mem
  62
  63   video-decoder:
  64     type: object
  65
  66     properties:
  67       compatible:
  68         const: venus-decoder
  69
  70     required:
  71       - compatible
  72
  73     additionalProperties: false
  74
  75   video-encoder:
  76     type: object
  77
  78     properties:
  79       compatible:
  80         const: venus-encoder
  81
  82     required:
  83       - compatible
  84
  85     additionalProperties: false
  86
  87   video-firmware:
  88     type: object
  89
  90     description: |
  91       Firmware subnode is needed when the platform does not
  92       have TrustZone.
  93
  94     properties:
  95       iommus:
  96         maxItems: 1
  97
  98     required:
  99       - iommus
 100
 101 required:
 102   - compatible
 103   - reg
 104   - interrupts
 105   - power-domains
 106   - power-domain-names
 107   - clocks
 108   - clock-names
 109   - iommus
 110   - memory-region
 111   - video-decoder
 112   - video-encoder
 113
 114 additionalProperties: false
 115
 116 examples:
 117   - |
 118         #include <dt-bindings/interrupt-controller/arm-gic.h>
 119         #include <dt-bindings/clock/qcom,videocc-sc7280.h>
 120         #include <dt-bindings/interconnect/qcom,sc7280.h>
 121         #include <dt-bindings/power/qcom-rpmpd.h>
 122
 123         venus: video-codec@aa00000 {
 124                 compatible = "qcom,sc7280-venus";
 125                 reg = <0x0aa00000 0xd0600>;
 126                 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
 127
 128                 clocks = <&videocc VIDEO_CC_MVSC_CORE_CLK>,
 129                          <&videocc VIDEO_CC_MVSC_CTL_AXI_CLK>,
 130                          <&videocc VIDEO_CC_VENUS_AHB_CLK>,
 131                          <&videocc VIDEO_CC_MVS0_CORE_CLK>,
 132                          <&videocc VIDEO_CC_MVS0_AXI_CLK>;
 133                 clock-names = "core", "bus", "iface",
 134                               "vcodec_core", "vcodec_bus";
 135
 136                 power-domains = <&videocc MVSC_GDSC>,
 137                                 <&videocc MVS0_GDSC>,
 138                                 <&rpmhpd SC7280_CX>;
 139                 power-domain-names = "venus", "vcodec0", "cx";
 140
 141                 interconnects = <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_VENUS_CFG 0>,
 142                                 <&mmss_noc MASTER_VIDEO_P0 0 &mc_virt SLAVE_EBI1 0>;
 143                 interconnect-names = "cpu-cfg", "video-mem";
 144
 145                 iommus = <&apps_smmu 0x2180 0x20>,
 146                          <&apps_smmu 0x2184 0x20>;
 147
 148                 memory-region = <&video_mem>;
 149
 150                 video-decoder {
 151                         compatible = "venus-decoder";
 152                 };
 153
 154                 video-encoder {
 155                         compatible = "venus-encoder";
 156                 };
 157
 158                 video-firmware {
 159                         iommus = <&apps_smmu 0x21a2 0x0>;
 160                 };
 161         };