71 lines
1.3 KiB
YAML
71 lines
1.3 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/dma/fsl,imx-dma.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale Direct Memory Access (DMA) Controller for i.MX
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maintainers:
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- Animesh Agarwal <animeshagarwal28@gmail.com>
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allOf:
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- $ref: dma-controller.yaml#
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properties:
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compatible:
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enum:
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- fsl,imx1-dma
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- fsl,imx21-dma
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- fsl,imx27-dma
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: DMA complete interrupt
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- description: DMA Error interrupt
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minItems: 1
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clocks:
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maxItems: 2
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clock-names:
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items:
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- const: ipg
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- const: ahb
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"#dma-cells":
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const: 1
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dma-channels:
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const: 16
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dma-requests:
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description: Number of DMA requests supported.
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required:
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- compatible
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- reg
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- interrupts
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- "#dma-cells"
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx27-clock.h>
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dma-controller@10001000 {
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compatible = "fsl,imx27-dma";
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reg = <0x10001000 0x1000>;
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interrupts = <32 33>;
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#dma-cells = <1>;
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dma-channels = <16>;
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clocks = <&clks IMX27_CLK_DMA_IPG_GATE>, <&clks IMX27_CLK_DMA_AHB_GATE>;
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clock-names = "ipg", "ahb";
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};
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