66 lines
1.5 KiB
YAML
66 lines
1.5 KiB
YAML
# 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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$id: http://devicetree.org/schemas/dma/loongson,ls1b-apbdma.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Loongson-1 APB DMA Controller
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maintainers:
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- Keguang Zhang <keguang.zhang@gmail.com>
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description:
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Loongson-1 APB DMA controller provides 3 independent channels for
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peripherals such as NAND, audio playback and capture.
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properties:
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compatible:
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oneOf:
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- const: loongson,ls1b-apbdma
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- items:
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- enum:
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- loongson,ls1a-apbdma
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- loongson,ls1c-apbdma
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- const: loongson,ls1b-apbdma
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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: NAND interrupt
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- description: Audio playback interrupt
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- description: Audio capture interrupt
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interrupt-names:
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items:
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- const: ch0
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- const: ch1
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- const: ch2
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'#dma-cells':
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const: 1
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required:
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- compatible
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- reg
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- interrupts
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- interrupt-names
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- '#dma-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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dma-controller@1fd01160 {
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compatible = "loongson,ls1b-apbdma";
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reg = <0x1fd01160 0x4>;
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interrupt-parent = <&intc0>;
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interrupts = <13 IRQ_TYPE_EDGE_RISING>,
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<14 IRQ_TYPE_EDGE_RISING>,
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<15 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "ch0", "ch1", "ch2";
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#dma-cells = <1>;
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};
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