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intel,cavs-gpdma

Vendor: Intel Corporation

Description

These nodes are “dma” bus nodes.

Intel cAVS Designware based General Purpose DMA Controller node

Properties

Properties not inherited from the base binding file.

Name

Type

Details

shim

array

This property is required.

#dma-cells

int

Number of items to expect in a DMA specifier

This property is required.

Constant value: 1

dma-channel-mask

int

Bitmask of available DMA channels in ascending order that are
not reserved by firmware and are available to the
kernel. i.e. first channel corresponds to LSB.

dma-channels

int

Number of DMA channels supported by the controller

dma-requests

int

Number of DMA request signals supported by the controller.

Specifier cell names

  • dma cells: channel