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Diffstat (limited to 'Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml b/Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml new file mode 100644 index 000000000000..d447d5207be0 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/marvell,mmp-dma.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/marvell,mmp-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell MMP DMA controller + +maintainers: + - Duje Mihanović <duje.mihanovic@skole.hr> + +description: + Marvell MMP SoCs may have two types of DMA controllers, peripheral and audio. + +properties: + compatible: + enum: + - marvell,pdma-1.0 + - marvell,adma-1.0 + - marvell,pxa910-squ + + reg: + maxItems: 1 + + interrupts: + description: + Interrupt lines for the controller, may be shared or one per DMA channel + minItems: 1 + + asram: + description: + A phandle to the SRAM pool + $ref: /schemas/types.yaml#/definitions/phandle + + '#dma-channels': + deprecated: true + + '#dma-requests': + deprecated: true + +required: + - compatible + - reg + - interrupts + - '#dma-cells' + +allOf: + - $ref: dma-controller.yaml# + - if: + properties: + compatible: + contains: + enum: + - marvell,pdma-1.0 + then: + properties: + asram: false + else: + required: + - asram + +unevaluatedProperties: false + +examples: + - | + dma-controller@d4000000 { + compatible = "marvell,pdma-1.0"; + reg = <0xd4000000 0x10000>; + interrupts = <47>; + #dma-cells = <2>; + dma-channels = <16>; + }; |