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,tegra186-gpc-dma.yaml (3412B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: NVIDIA Tegra GPC DMA Controller Device Tree Bindings
      8
      9description: |
     10  The Tegra General Purpose Central (GPC) DMA controller is used for faster
     11  data transfers between memory to memory, memory to device and device to
     12  memory.
     13
     14maintainers:
     15  - Jon Hunter <jonathanh@nvidia.com>
     16  - Rajesh Gumasta <rgumasta@nvidia.com>
     17
     18allOf:
     19  - $ref: "dma-controller.yaml#"
     20
     21properties:
     22  compatible:
     23    oneOf:
     24      - const: nvidia,tegra186-gpcdma
     25      - items:
     26          - const: nvidia,tegra194-gpcdma
     27          - const: nvidia,tegra186-gpcdma
     28
     29  "#dma-cells":
     30    const: 1
     31
     32  reg:
     33    maxItems: 1
     34
     35  interrupts:
     36    description:
     37      Should contain all of the per-channel DMA interrupts in
     38      ascending order with respect to the DMA channel index.
     39    minItems: 1
     40    maxItems: 31
     41
     42  resets:
     43    maxItems: 1
     44
     45  reset-names:
     46    const: gpcdma
     47
     48  iommus:
     49    maxItems: 1
     50
     51  dma-coherent: true
     52
     53required:
     54  - compatible
     55  - reg
     56  - interrupts
     57  - resets
     58  - reset-names
     59  - "#dma-cells"
     60  - iommus
     61
     62additionalProperties: false
     63
     64examples:
     65  - |
     66    #include <dt-bindings/interrupt-controller/arm-gic.h>
     67    #include <dt-bindings/memory/tegra186-mc.h>
     68    #include <dt-bindings/reset/tegra186-reset.h>
     69
     70    dma-controller@2600000 {
     71        compatible = "nvidia,tegra186-gpcdma";
     72        reg = <0x2600000 0x210000>;
     73        resets = <&bpmp TEGRA186_RESET_GPCDMA>;
     74        reset-names = "gpcdma";
     75        interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
     76                     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
     77                     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
     78                     <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>,
     79                     <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
     80                     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>,
     81                     <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
     82                     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
     83                     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
     84                     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
     85                     <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
     86                     <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>,
     87                     <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
     88                     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
     89                     <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
     90                     <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
     91                     <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
     92                     <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
     93                     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
     94                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
     95                     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
     96                     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
     97                     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
     98                     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
     99                     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
    100                     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
    101                     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
    102                     <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
    103                     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
    104                     <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
    105                     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
    106        #dma-cells = <1>;
    107        iommus = <&smmu TEGRA186_SID_GPCDMA_0>;
    108        dma-coherent;
    109    };
    110...