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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dma-common.yaml (1399B)

      1# SPDX-License-Identifier: GPL-2.0
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/dma/dma-common.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: DMA Engine Generic Binding
      8
      9maintainers:
     10  - Vinod Koul <vkoul@kernel.org>
     11
     12description:
     13  Generic binding to provide a way for a driver using DMA Engine to
     14  retrieve the DMA request or channel information that goes from a
     15  hardware device to a DMA controller.
     16
     17select: false
     18
     19properties:
     20  "#dma-cells":
     21    minimum: 1
     22    # Should be enough
     23    maximum: 255
     24    description:
     25      Used to provide DMA controller specific information.
     26
     27  dma-channel-mask:
     28    description:
     29      Bitmask of available DMA channels in ascending order that are
     30      not reserved by firmware and are available to the
     31      kernel. i.e. first channel corresponds to LSB.
     32      The first item in the array is for channels 0-31, the second is for
     33      channels 32-63, etc.
     34    $ref: /schemas/types.yaml#/definitions/uint32-array
     35    items:
     36      minItems: 1
     37      # Should be enough
     38      maxItems: 255
     39
     40  dma-channels:
     41    $ref: /schemas/types.yaml#/definitions/uint32
     42    description:
     43      Number of DMA channels supported by the controller.
     44
     45  dma-requests:
     46    $ref: /schemas/types.yaml#/definitions/uint32
     47    description:
     48      Number of DMA request signals supported by the controller.
     49
     50required:
     51  - "#dma-cells"
     52
     53additionalProperties: true