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| -rw-r--r-- | Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml new file mode 100644 index 000000000..26d0d8ab7 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/allwinner,sun4i-a10-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 DMA Controller + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + "#dma-cells": + const: 2 + description: + The first cell is either 0 or 1, the former to use the normal + DMA, 1 for dedicated DMA. The second cell is the request line + number. + + compatible: + const: allwinner,sun4i-a10-dma + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - "#dma-cells" + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + dma: dma-controller@1c02000 { + compatible = "allwinner,sun4i-a10-dma"; + reg = <0x01c02000 0x1000>; + interrupts = <27>; + clocks = <&ahb_gates 6>; + #dma-cells = <2>; + }; + +... |