dma-common.yaml (c95baf12f5077419db01313ab61c2aac007d40cd) | dma-common.yaml (3d21a46093352f7802b9c66c7cce35cd02a50e53) |
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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 --- 17 unchanged lines hidden (view full) --- 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. | 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 --- 17 unchanged lines hidden (view full) --- 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 allOf: 35 - $ref: /schemas/types.yaml#/definitions/uint32-array | 34 $ref: /schemas/types.yaml#/definitions/uint32-array |
36 items: 37 minItems: 1 38 # Should be enough 39 maxItems: 255 40 41 dma-channels: 42 $ref: /schemas/types.yaml#definitions/uint32 43 description: 44 Number of DMA channels supported by the controller. 45 46 dma-requests: 47 $ref: /schemas/types.yaml#definitions/uint32 48 description: 49 Number of DMA request signals supported by the controller. 50 51required: 52 - "#dma-cells" | 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" |