cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nvidia,tegra210-nvdec.yaml (2624B)


      1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: "http://devicetree.org/schemas/gpu/host1x/nvidia,tegra210-nvdec.yaml#"
      5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
      6
      7title: Device tree binding for NVIDIA Tegra NVDEC
      8
      9description: |
     10  NVDEC is the hardware video decoder present on NVIDIA Tegra210
     11  and newer chips. It is located on the Host1x bus and typically
     12  programmed through Host1x channels.
     13
     14maintainers:
     15  - Thierry Reding <treding@gmail.com>
     16  - Mikko Perttunen <mperttunen@nvidia.com>
     17
     18properties:
     19  $nodename:
     20    pattern: "^nvdec@[0-9a-f]*$"
     21
     22  compatible:
     23    enum:
     24      - nvidia,tegra210-nvdec
     25      - nvidia,tegra186-nvdec
     26      - nvidia,tegra194-nvdec
     27
     28  reg:
     29    maxItems: 1
     30
     31  clocks:
     32    maxItems: 1
     33
     34  clock-names:
     35    items:
     36      - const: nvdec
     37
     38  resets:
     39    maxItems: 1
     40
     41  reset-names:
     42    items:
     43      - const: nvdec
     44
     45  power-domains:
     46    maxItems: 1
     47
     48  iommus:
     49    maxItems: 1
     50
     51  dma-coherent: true
     52
     53  interconnects:
     54    items:
     55      - description: DMA read memory client
     56      - description: DMA read 2 memory client
     57      - description: DMA write memory client
     58
     59  interconnect-names:
     60    items:
     61      - const: dma-mem
     62      - const: read-1
     63      - const: write
     64
     65  nvidia,host1x-class:
     66    description: |
     67      Host1x class of the engine, used to specify the targeted engine
     68      when programming the engine through Host1x channels or when
     69      configuring engine-specific behavior in Host1x.
     70    default: 0xf0
     71    $ref: /schemas/types.yaml#/definitions/uint32
     72
     73required:
     74  - compatible
     75  - reg
     76  - clocks
     77  - clock-names
     78  - resets
     79  - reset-names
     80  - power-domains
     81
     82additionalProperties: false
     83
     84examples:
     85  - |
     86    #include <dt-bindings/clock/tegra186-clock.h>
     87    #include <dt-bindings/interrupt-controller/arm-gic.h>
     88    #include <dt-bindings/memory/tegra186-mc.h>
     89    #include <dt-bindings/power/tegra186-powergate.h>
     90    #include <dt-bindings/reset/tegra186-reset.h>
     91
     92    nvdec@15480000 {
     93            compatible = "nvidia,tegra186-nvdec";
     94            reg = <0x15480000 0x40000>;
     95            clocks = <&bpmp TEGRA186_CLK_NVDEC>;
     96            clock-names = "nvdec";
     97            resets = <&bpmp TEGRA186_RESET_NVDEC>;
     98            reset-names = "nvdec";
     99
    100            power-domains = <&bpmp TEGRA186_POWER_DOMAIN_NVDEC>;
    101            interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDECSRD &emc>,
    102                            <&mc TEGRA186_MEMORY_CLIENT_NVDECSRD1 &emc>,
    103                            <&mc TEGRA186_MEMORY_CLIENT_NVDECSWR &emc>;
    104            interconnect-names = "dma-mem", "read-1", "write";
    105            iommus = <&smmu TEGRA186_SID_NVDEC>;
    106    };